angelovcom.net

media-views.js (274484B)

---

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 /************************************************************************/
 /******/ ({
 
 /***/ "+B8m":
 /***/ (function(module, exports) {
 
 var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
 	EmbedImage;
 
 /**
  * wp.media.view.EmbedImage
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.Settings.AttachmentDisplay
  * @augments wp.media.view.Settings
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 EmbedImage = AttachmentDisplay.extend(/** @lends wp.media.view.EmbedImage.prototype */{
 	className: 'embed-media-settings',
 	template:  wp.template('embed-image-settings'),
 
 	initialize: function() {
 		/**
 		 * Call `initialize` directly on parent class with passed arguments
 		 */
 		AttachmentDisplay.prototype.initialize.apply( this, arguments );
 		this.listenTo( this.model, 'change:url', this.updateImage );
 	},
 
 	updateImage: function() {
 		this.$('img').attr( 'src', this.model.get('url') );
 	}
 });
 
 module.exports = EmbedImage;
 
 
 /***/ }),
 
 /***/ "+mQJ":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	$ = jQuery,
 	l10n = wp.media.view.l10n,
 	EmbedUrl;
 
 /**
  * wp.media.view.EmbedUrl
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 EmbedUrl = View.extend(/** @lends wp.media.view.EmbedUrl.prototype */{
 	tagName:   'span',
 	className: 'embed-url',
 
 	events: {
 		'input': 'url'
 	},
 
 	initialize: function() {
 		this.$input = $( '<input id="embed-url-field" type="url" />' )
 			.attr( 'aria-label', l10n.insertFromUrlTitle )
 			.val( this.model.get('url') );
 		this.input = this.$input[0];
 
 		this.spinner = $('<span class="spinner" />')[0];
 		this.$el.append([ this.input, this.spinner ]);
 
 		this.listenTo( this.model, 'change:url', this.render );
 
 		if ( this.model.get( 'url' ) ) {
 			_.delay( _.bind( function () {
 				this.model.trigger( 'change:url' );
 			}, this ), 500 );
 		}
 	},
 	/**
 	 * @return {wp.media.view.EmbedUrl} Returns itself to allow chaining.
 	 */
 	render: function() {
 		var $input = this.$input;
 
 		if ( $input.is(':focus') ) {
 			return;
 		}
 
 		this.input.value = this.model.get('url') || 'http://';
 		/**
 		 * Call `render` directly on parent class with passed arguments
 		 */
 		View.prototype.render.apply( this, arguments );
 		return this;
 	},
 
 	url: function( event ) {
 		var url = event.target.value || '';
 		this.model.set( 'url', url.trim() );
 	}
 });
 
 module.exports = EmbedUrl;
 
 
 /***/ }),
 
 /***/ "04Ix":
 /***/ (function(module, exports) {
 
 var _n = wp.i18n._n,
 	sprintf = wp.i18n.sprintf,
 	Selection;
 
 /**
  * wp.media.view.Selection
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Selection = wp.media.View.extend(/** @lends wp.media.view.Selection.prototype */{
 	tagName:   'div',
 	className: 'media-selection',
 	template:  wp.template('media-selection'),
 
 	events: {
 		'click .edit-selection':  'edit',
 		'click .clear-selection': 'clear'
 	},
 
 	initialize: function() {
 		_.defaults( this.options, {
 			editable:  false,
 			clearable: true
 		});
 
 		/**
 		 * @member {wp.media.view.Attachments.Selection}
 		 */
 		this.attachments = new wp.media.view.Attachments.Selection({
 			controller: this.controller,
 			collection: this.collection,
 			selection:  this.collection,
 			model:      new Backbone.Model()
 		});
 
 		this.views.set( '.selection-view', this.attachments );
 		this.collection.on( 'add remove reset', this.refresh, this );
 		this.controller.on( 'content:activate', this.refresh, this );
 	},
 
 	ready: function() {
 		this.refresh();
 	},
 
 	refresh: function() {
 		// If the selection hasn't been rendered, bail.
 		if ( ! this.$el.children().length ) {
 			return;
 		}
 
 		var collection = this.collection,
 			editing = 'edit-selection' === this.controller.content.mode();
 
 		// If nothing is selected, display nothing.
 		this.$el.toggleClass( 'empty', ! collection.length );
 		this.$el.toggleClass( 'one', 1 === collection.length );
 		this.$el.toggleClass( 'editing', editing );
 
 		this.$( '.count' ).text(
 			/* translators: %s: Number of selected media attachments. */
 			sprintf( _n( '%s item selected', '%s items selected', collection.length ), collection.length )
 		);
 	},
 
 	edit: function( event ) {
 		event.preventDefault();
 		if ( this.options.editable ) {
 			this.options.editable.call( this, this.collection );
 		}
 	},
 
 	clear: function( event ) {
 		event.preventDefault();
 		this.collection.reset();
 
 		// Move focus to the modal.
 		this.controller.modal.focusManager.focus();
 	}
 });
 
 module.exports = Selection;
 
 
 /***/ }),
 
 /***/ "1S4+":
 /***/ (function(module, exports) {
 
 var $ = jQuery,
 	AttachmentFilters;
 
 /**
  * wp.media.view.AttachmentFilters
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 AttachmentFilters = wp.media.View.extend(/** @lends wp.media.view.AttachmentFilters.prototype */{
 	tagName:   'select',
 	className: 'attachment-filters',
 	id:        'media-attachment-filters',
 
 	events: {
 		change: 'change'
 	},
 
 	keys: [],
 
 	initialize: function() {
 		this.createFilters();
 		_.extend( this.filters, this.options.filters );
 
 		// Build `<option>` elements.
 		this.$el.html( _.chain( this.filters ).map( function( filter, value ) {
 			return {
 				el: $( '<option></option>' ).val( value ).html( filter.text )[0],
 				priority: filter.priority || 50
 			};
 		}, this ).sortBy('priority').pluck('el').value() );
 
 		this.listenTo( this.model, 'change', this.select );
 		this.select();
 	},
 
 	/**
 	 * @abstract
 	 */
 	createFilters: function() {
 		this.filters = {};
 	},
 
 	/**
 	 * When the selected filter changes, update the Attachment Query properties to match.
 	 */
 	change: function() {
 		var filter = this.filters[ this.el.value ];
 		if ( filter ) {
 			this.model.set( filter.props );
 		}
 	},
 
 	select: function() {
 		var model = this.model,
 			value = 'all',
 			props = model.toJSON();
 
 		_.find( this.filters, function( filter, id ) {
 			var equal = _.all( filter.props, function( prop, key ) {
 				return prop === ( _.isUndefined( props[ key ] ) ? null : props[ key ] );
 			});
 
 			if ( equal ) {
 				return value = id;
 			}
 		});
 
 		this.$el.val( value );
 	}
 });
 
 module.exports = AttachmentFilters;
 
 
 /***/ }),
 
 /***/ "2AvB":
 /***/ (function(module, exports) {
 
 var Settings = wp.media.view.Settings,
 	AttachmentDisplay;
 
 /**
  * wp.media.view.Settings.AttachmentDisplay
  *
  * @memberOf wp.media.view.Settings
  *
  * @class
  * @augments wp.media.view.Settings
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 AttachmentDisplay = Settings.extend(/** @lends wp.media.view.Settings.AttachmentDisplay.prototype */{
 	className: 'attachment-display-settings',
 	template:  wp.template('attachment-display-settings'),
 
 	initialize: function() {
 		var attachment = this.options.attachment;
 
 		_.defaults( this.options, {
 			userSettings: false
 		});
 		// Call 'initialize' directly on the parent class.
 		Settings.prototype.initialize.apply( this, arguments );
 		this.listenTo( this.model, 'change:link', this.updateLinkTo );
 
 		if ( attachment ) {
 			attachment.on( 'change:uploading', this.render, this );
 		}
 	},
 
 	dispose: function() {
 		var attachment = this.options.attachment;
 		if ( attachment ) {
 			attachment.off( null, null, this );
 		}
 		/**
 		 * call 'dispose' directly on the parent class
 		 */
 		Settings.prototype.dispose.apply( this, arguments );
 	},
 	/**
 	 * @return {wp.media.view.AttachmentDisplay} Returns itself to allow chaining.
 	 */
 	render: function() {
 		var attachment = this.options.attachment;
 		if ( attachment ) {
 			_.extend( this.options, {
 				sizes: attachment.get('sizes'),
 				type:  attachment.get('type')
 			});
 		}
 		/**
 		 * call 'render' directly on the parent class
 		 */
 		Settings.prototype.render.call( this );
 		this.updateLinkTo();
 		return this;
 	},
 
 	updateLinkTo: function() {
 		var linkTo = this.model.get('link'),
 			$input = this.$('.link-to-custom'),
 			attachment = this.options.attachment;
 
 		if ( 'none' === linkTo || 'embed' === linkTo || ( ! attachment && 'custom' !== linkTo ) ) {
 			$input.closest( '.setting' ).addClass( 'hidden' );
 			return;
 		}
 
 		if ( attachment ) {
 			if ( 'post' === linkTo ) {
 				$input.val( attachment.get('link') );
 			} else if ( 'file' === linkTo ) {
 				$input.val( attachment.get('url') );
 			} else if ( ! this.model.get('linkUrl') ) {
 				$input.val('http://');
 			}
 
 			$input.prop( 'readonly', 'custom' !== linkTo );
 		}
 
 		$input.closest( '.setting' ).removeClass( 'hidden' );
 		if ( $input.length ) {
 			$input[0].scrollIntoView();
 		}
 	}
 });
 
 module.exports = AttachmentDisplay;
 
 
 /***/ }),
 
 /***/ "2NU8":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	Toolbar;
 
 /**
  * wp.media.view.Toolbar
  *
  * A toolbar which consists of a primary and a secondary section. Each sections
  * can be filled with views.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Toolbar = View.extend(/** @lends wp.media.view.Toolbar.prototype */{
 	tagName:   'div',
 	className: 'media-toolbar',
 
 	initialize: function() {
 		var state = this.controller.state(),
 			selection = this.selection = state.get('selection'),
 			library = this.library = state.get('library');
 
 		this._views = {};
 
 		// The toolbar is composed of two `PriorityList` views.
 		this.primary   = new wp.media.view.PriorityList();
 		this.secondary = new wp.media.view.PriorityList();
 		this.primary.$el.addClass('media-toolbar-primary search-form');
 		this.secondary.$el.addClass('media-toolbar-secondary');
 
 		this.views.set([ this.secondary, this.primary ]);
 
 		if ( this.options.items ) {
 			this.set( this.options.items, { silent: true });
 		}
 
 		if ( ! this.options.silent ) {
 			this.render();
 		}
 
 		if ( selection ) {
 			selection.on( 'add remove reset', this.refresh, this );
 		}
 
 		if ( library ) {
 			library.on( 'add remove reset', this.refresh, this );
 		}
 	},
 	/**
 	 * @return {wp.media.view.Toolbar} Returns itsef to allow chaining
 	 */
 	dispose: function() {
 		if ( this.selection ) {
 			this.selection.off( null, null, this );
 		}
 
 		if ( this.library ) {
 			this.library.off( null, null, this );
 		}
 		/**
 		 * call 'dispose' directly on the parent class
 		 */
 		return View.prototype.dispose.apply( this, arguments );
 	},
 
 	ready: function() {
 		this.refresh();
 	},
 
 	/**
 	 * @param {string} id
 	 * @param {Backbone.View|Object} view
 	 * @param {Object} [options={}]
 	 * @return {wp.media.view.Toolbar} Returns itself to allow chaining.
 	 */
 	set: function( id, view, options ) {
 		var list;
 		options = options || {};
 
 		// Accept an object with an `id` : `view` mapping.
 		if ( _.isObject( id ) ) {
 			_.each( id, function( view, id ) {
 				this.set( id, view, { silent: true });
 			}, this );
 
 		} else {
 			if ( ! ( view instanceof Backbone.View ) ) {
 				view.classes = [ 'media-button-' + id ].concat( view.classes || [] );
 				view = new wp.media.view.Button( view ).render();
 			}
 
 			view.controller = view.controller || this.controller;
 
 			this._views[ id ] = view;
 
 			list = view.options.priority < 0 ? 'secondary' : 'primary';
 			this[ list ].set( id, view, options );
 		}
 
 		if ( ! options.silent ) {
 			this.refresh();
 		}
 
 		return this;
 	},
 	/**
 	 * @param {string} id
 	 * @return {wp.media.view.Button}
 	 */
 	get: function( id ) {
 		return this._views[ id ];
 	},
 	/**
 	 * @param {string} id
 	 * @param {Object} options
 	 * @return {wp.media.view.Toolbar} Returns itself to allow chaining.
 	 */
 	unset: function( id, options ) {
 		delete this._views[ id ];
 		this.primary.unset( id, options );
 		this.secondary.unset( id, options );
 
 		if ( ! options || ! options.silent ) {
 			this.refresh();
 		}
 		return this;
 	},
 
 	refresh: function() {
 		var state = this.controller.state(),
 			library = state.get('library'),
 			selection = state.get('selection');
 
 		_.each( this._views, function( button ) {
 			if ( ! button.model || ! button.options || ! button.options.requires ) {
 				return;
 			}
 
 			var requires = button.options.requires,
 				disabled = false;
 
 			// Prevent insertion of attachments if any of them are still uploading.
 			if ( selection && selection.models ) {
 				disabled = _.some( selection.models, function( attachment ) {
 					return attachment.get('uploading') === true;
 				});
 			}
 
 			if ( requires.selection && selection && ! selection.length ) {
 				disabled = true;
 			} else if ( requires.library && library && ! library.length ) {
 				disabled = true;
 			}
 			button.model.set( 'disabled', disabled );
 		});
 	}
 });
 
 module.exports = Toolbar;
 
 
 /***/ }),
 
 /***/ "2jku":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Attachment.Library
  *
  * @memberOf wp.media.view.Attachment
  *
  * @class
  * @augments wp.media.view.Attachment
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Library = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Library.prototype */{
 	buttons: {
 		check: true
 	}
 });
 
 module.exports = Library;
 
 
 /***/ }),
 
 /***/ 3:
 /***/ (function(module, exports, __webpack_require__) {
 
 module.exports = __webpack_require__("tg/Y");
 
 
 /***/ }),
 
 /***/ "3nJM":
 /***/ (function(module, exports) {
 
 var $ = jQuery;
 
 /**
  * wp.media.view.FocusManager
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var FocusManager = wp.media.View.extend(/** @lends wp.media.view.FocusManager.prototype */{
 
 	events: {
 		'keydown': 'focusManagementMode'
 	},
 
 	/**
 	 * Initializes the Focus Manager.
 	 *
 	 * @param {Object} options The Focus Manager options.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @return {void}
 	 */
 	initialize: function( options ) {
 		this.mode                    = options.mode || 'constrainTabbing';
 		this.tabsAutomaticActivation = options.tabsAutomaticActivation || false;
 	},
 
  	/**
 	 * Determines which focus management mode to use.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @param {Object} event jQuery event object.
 	 *
 	 * @return {void}
 	 */
 	focusManagementMode: function( event ) {
 		if ( this.mode === 'constrainTabbing' ) {
 			this.constrainTabbing( event );
 		}
 
 		if ( this.mode === 'tabsNavigation' ) {
 			this.tabsNavigation( event );
 		}
 	},
 
 	/**
 	 * Gets all the tabbable elements.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @return {Object} A jQuery collection of tabbable elements.
 	 */
 	getTabbables: function() {
 		// Skip the file input added by Plupload.
 		return this.$( ':tabbable' ).not( '.moxie-shim input[type="file"]' );
 	},
 
 	/**
 	 * Moves focus to the modal dialog.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	focus: function() {
 		this.$( '.media-modal' ).trigger( 'focus' );
 	},
 
 	/**
 	 * Constrains navigation with the Tab key within the media view element.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @param {Object} event A keydown jQuery event.
 	 *
 	 * @return {void}
 	 */
 	constrainTabbing: function( event ) {
 		var tabbables;
 
 		// Look for the tab key.
 		if ( 9 !== event.keyCode ) {
 			return;
 		}
 
 		tabbables = this.getTabbables();
 
 		// Keep tab focus within media modal while it's open.
 		if ( tabbables.last()[0] === event.target && ! event.shiftKey ) {
 			tabbables.first().focus();
 			return false;
 		} else if ( tabbables.first()[0] === event.target && event.shiftKey ) {
 			tabbables.last().focus();
 			return false;
 		}
 	},
 
 	/**
 	 * Hides from assistive technologies all the body children.
 	 *
 	 * Sets an `aria-hidden="true"` attribute on all the body children except
 	 * the provided element and other elements that should not be hidden.
 	 *
 	 * The reason why we use `aria-hidden` is that `aria-modal="true"` is buggy
 	 * in Safari 11.1 and support is spotty in other browsers. Also, `aria-modal="true"`
 	 * prevents the `wp.a11y.speak()` ARIA live regions to work as they're outside
 	 * of the modal dialog and get hidden from assistive technologies.
 	 *
 	 * @since 5.2.3
 	 *
 	 * @param {Object} visibleElement The jQuery object representing the element that should not be hidden.
 	 *
 	 * @return {void}
 	 */
 	setAriaHiddenOnBodyChildren: function( visibleElement ) {
 		var bodyChildren,
 			self = this;
 
 		if ( this.isBodyAriaHidden ) {
 			return;
 		}
 
 		// Get all the body children.
 		bodyChildren = document.body.children;
 
 		// Loop through the body children and hide the ones that should be hidden.
 		_.each( bodyChildren, function( element ) {
 			// Don't hide the modal element.
 			if ( element === visibleElement[0] ) {
 				return;
 			}
 
 			// Determine the body children to hide.
 			if ( self.elementShouldBeHidden( element ) ) {
 				element.setAttribute( 'aria-hidden', 'true' );
 				// Store the hidden elements.
 				self.ariaHiddenElements.push( element );
 			}
 		} );
 
 		this.isBodyAriaHidden = true;
 	},
 
 	/**
 	 * Unhides from assistive technologies all the body children.
 	 *
 	 * Makes visible again to assistive technologies all the body children
 	 * previously hidden and stored in this.ariaHiddenElements.
 	 *
 	 * @since 5.2.3
 	 *
 	 * @return {void}
 	 */
 	removeAriaHiddenFromBodyChildren: function() {
 		_.each( this.ariaHiddenElements, function( element ) {
 			element.removeAttribute( 'aria-hidden' );
 		} );
 
 		this.ariaHiddenElements = [];
 		this.isBodyAriaHidden   = false;
 	},
 
 	/**
 	 * Determines if the passed element should not be hidden from assistive technologies.
 	 *
 	 * @since 5.2.3
 	 *
 	 * @param {Object} element The DOM element that should be checked.
 	 *
 	 * @return {boolean} Whether the element should not be hidden from assistive technologies.
 	 */
 	elementShouldBeHidden: function( element ) {
 		var role = element.getAttribute( 'role' ),
 			liveRegionsRoles = [ 'alert', 'status', 'log', 'marquee', 'timer' ];
 
 		/*
 		 * Don't hide scripts, elements that already have `aria-hidden`, and
 		 * ARIA live regions.
 		 */
 		return ! (
 			element.tagName === 'SCRIPT' ||
 			element.hasAttribute( 'aria-hidden' ) ||
 			element.hasAttribute( 'aria-live' ) ||
 			liveRegionsRoles.indexOf( role ) !== -1
 		);
 	},
 
 	/**
 	 * Whether the body children are hidden from assistive technologies.
 	 *
 	 * @since 5.2.3
 	 */
 	isBodyAriaHidden: false,
 
 	/**
 	 * Stores an array of DOM elements that should be hidden from assistive
 	 * technologies, for example when the media modal dialog opens.
 	 *
 	 * @since 5.2.3
 	 */
 	ariaHiddenElements: [],
 
 	/**
 	 * Holds the jQuery collection of ARIA tabs.
 	 *
 	 * @since 5.3.0
 	 */
 	tabs: $(),
 
 	/**
 	 * Sets up tabs in an ARIA tabbed interface.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @param {Object} event jQuery event object.
 	 *
 	 * @return {void}
 	 */
 	setupAriaTabs: function() {
 		this.tabs = this.$( '[role="tab"]' );
 
 		// Set up initial attributes.
 		this.tabs.attr( {
 			'aria-selected': 'false',
 			tabIndex: '-1'
 		} );
 
 		// Set up attributes on the initially active tab.
 		this.tabs.filter( '.active' )
 			.removeAttr( 'tabindex' )
 			.attr( 'aria-selected', 'true' );
 	},
 
 	/**
 	 * Enables arrows navigation within the ARIA tabbed interface.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @param {Object} event jQuery event object.
 	 *
 	 * @return {void}
 	 */
 	tabsNavigation: function( event ) {
 		var orientation = 'horizontal',
 			keys = [ 32, 35, 36, 37, 38, 39, 40 ];
 
 		// Return if not Spacebar, End, Home, or Arrow keys.
 		if ( keys.indexOf( event.which ) === -1 ) {
 			return;
 		}
 
 		// Determine navigation direction.
 		if ( this.$el.attr( 'aria-orientation' ) === 'vertical' ) {
 			orientation = 'vertical';
 		}
 
 		// Make Up and Down arrow keys do nothing with horizontal tabs.
 		if ( orientation === 'horizontal' && [ 38, 40 ].indexOf( event.which ) !== -1 ) {
 			return;
 		}
 
 		// Make Left and Right arrow keys do nothing with vertical tabs.
 		if ( orientation === 'vertical' && [ 37, 39 ].indexOf( event.which ) !== -1 ) {
 			return;
 		}
 
 		this.switchTabs( event, this.tabs );
 	},
 
 	/**
 	 * Switches tabs in the ARIA tabbed interface.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @param {Object} event jQuery event object.
 	 *
 	 * @return {void}
 	 */
 	switchTabs: function( event ) {
 		var key   = event.which,
 			index = this.tabs.index( $( event.target ) ),
 			newIndex;
 
 		switch ( key ) {
 			// Space bar: Activate current targeted tab.
 			case 32: {
 				this.activateTab( this.tabs[ index ] );
 				break;
 			}
 			// End key: Activate last tab.
 			case 35: {
 				event.preventDefault();
 				this.activateTab( this.tabs[ this.tabs.length - 1 ] );
 				break;
 			}
 			// Home key: Activate first tab.
 			case 36: {
 				event.preventDefault();
 				this.activateTab( this.tabs[ 0 ] );
 				break;
 			}
 			// Left and up keys: Activate previous tab.
 			case 37:
 			case 38: {
 				event.preventDefault();
 				newIndex = ( index - 1 ) < 0 ? this.tabs.length - 1 : index - 1;
 				this.activateTab( this.tabs[ newIndex ] );
 				break;
 			}
 			// Right and down keys: Activate next tab.
 			case 39:
 			case 40: {
 				event.preventDefault();
 				newIndex = ( index + 1 ) === this.tabs.length ? 0 : index + 1;
 				this.activateTab( this.tabs[ newIndex ] );
 				break;
 			}
 		}
 	},
 
 	/**
 	 * Sets a single tab to be focusable and semantically selected.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @param {Object} tab The tab DOM element.
 	 *
 	 * @return {void}
 	 */
 	activateTab: function( tab ) {
 		if ( ! tab ) {
 			return;
 		}
 
 		// The tab is a DOM element: no need for jQuery methods.
 		tab.focus();
 
 		// Handle automatic activation.
 		if ( this.tabsAutomaticActivation ) {
 			tab.removeAttribute( 'tabindex' );
 			tab.setAttribute( 'aria-selected', 'true' );
 			tab.click();
 
 			return;
 		}
 
 		// Handle manual activation.
 		$( tab ).on( 'click', function() {
 			tab.removeAttribute( 'tabindex' );
 			tab.setAttribute( 'aria-selected', 'true' );
 		} );
  	}
 });
 
 module.exports = FocusManager;
 
 
 /***/ }),
 
 /***/ "4jjk":
 /***/ (function(module, exports) {
 
 var l10n = wp.media.view.l10n,
 	Uploaded;
 
 /**
  * wp.media.view.AttachmentFilters.Uploaded
  *
  * @memberOf wp.media.view.AttachmentFilters
  *
  * @class
  * @augments wp.media.view.AttachmentFilters
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Uploaded = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Uploaded.prototype */{
 	createFilters: function() {
 		var type = this.model.get('type'),
 			types = wp.media.view.settings.mimeTypes,
 			uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0,
 			text;
 
 		if ( types && type ) {
 			text = types[ type ];
 		}
 
 		this.filters = {
 			all: {
 				text:  text || l10n.allMediaItems,
 				props: {
 					uploadedTo: null,
 					orderby: 'date',
 					order:   'DESC',
 					author:	 null
 				},
 				priority: 10
 			},
 
 			uploaded: {
 				text:  l10n.uploadedToThisPost,
 				props: {
 					uploadedTo: wp.media.view.settings.post.id,
 					orderby: 'menuOrder',
 					order:   'ASC',
 					author:	 null
 				},
 				priority: 20
 			},
 
 			unattached: {
 				text:  l10n.unattached,
 				props: {
 					uploadedTo: 0,
 					orderby: 'menuOrder',
 					order:   'ASC',
 					author:	 null
 				},
 				priority: 50
 			}
 		};
 
 		if ( uid ) {
 			this.filters.mine = {
 				text:  l10n.mine,
 				props: {
 					orderby: 'date',
 					order:   'DESC',
 					author:  uid
 				},
 				priority: 50
 			};
 		}
 	}
 });
 
 module.exports = Uploaded;
 
 
 /***/ }),
 
 /***/ "4tHu":
 /***/ (function(module, exports) {
 
 var l10n = wp.media.view.l10n,
 	EditImage;
 
 /**
  * wp.media.controller.EditImage
  *
  * A state for editing (cropping, etc.) an image.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @param {object}                    attributes                      The attributes hash passed to the state.
  * @param {wp.media.model.Attachment} attributes.model                The attachment.
  * @param {string}                    [attributes.id=edit-image]      Unique identifier.
  * @param {string}                    [attributes.title=Edit Image]   Title for the state. Displays in the media menu and the frame's title region.
  * @param {string}                    [attributes.content=edit-image] Initial mode for the content region.
  * @param {string}                    [attributes.toolbar=edit-image] Initial mode for the toolbar region.
  * @param {string}                    [attributes.menu=false]         Initial mode for the menu region.
  * @param {string}                    [attributes.url]                Unused. @todo Consider removal.
  */
 EditImage = wp.media.controller.State.extend(/** @lends wp.media.controller.EditImage.prototype */{
 	defaults: {
 		id:      'edit-image',
 		title:   l10n.editImage,
 		menu:    false,
 		toolbar: 'edit-image',
 		content: 'edit-image',
 		url:     ''
 	},
 
 	/**
 	 * Activates a frame for editing a featured image.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @return {void}
 	 */
 	activate: function() {
 		this.frame.on( 'toolbar:render:edit-image', _.bind( this.toolbar, this ) );
 	},
 
 	/**
 	 * Deactivates a frame for editing a featured image.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @return {void}
 	 */
 	deactivate: function() {
 		this.frame.off( 'toolbar:render:edit-image' );
 	},
 
 	/**
 	 * Adds a toolbar with a back button.
 	 *
 	 * When the back button is pressed it checks whether there is a previous state.
 	 * In case there is a previous state it sets that previous state otherwise it
 	 * closes the frame.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @return {void}
 	 */
 	toolbar: function() {
 		var frame = this.frame,
 			lastState = frame.lastState(),
 			previous = lastState && lastState.id;
 
 		frame.toolbar.set( new wp.media.view.Toolbar({
 			controller: frame,
 			items: {
 				back: {
 					style: 'primary',
 					text:     l10n.back,
 					priority: 20,
 					click:    function() {
 						if ( previous ) {
 							frame.setState( previous );
 						} else {
 							frame.close();
 						}
 					}
 				}
 			}
 		}) );
 	}
 });
 
 module.exports = EditImage;
 
 
 /***/ }),
 
 /***/ "6B7g":
 /***/ (function(module, exports) {
 
 var Select = wp.media.view.MediaFrame.Select,
 	Library = wp.media.controller.Library,
 	l10n = wp.media.view.l10n,
 	Post;
 
 /**
  * wp.media.view.MediaFrame.Post
  *
  * The frame for manipulating media on the Edit Post page.
  *
  * @memberOf wp.media.view.MediaFrame
  *
  * @class
  * @augments wp.media.view.MediaFrame.Select
  * @augments wp.media.view.MediaFrame
  * @augments wp.media.view.Frame
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  * @mixes wp.media.controller.StateMachine
  */
 Post = Select.extend(/** @lends wp.media.view.MediaFrame.Post.prototype */{
 	initialize: function() {
 		this.counts = {
 			audio: {
 				count: wp.media.view.settings.attachmentCounts.audio,
 				state: 'playlist'
 			},
 			video: {
 				count: wp.media.view.settings.attachmentCounts.video,
 				state: 'video-playlist'
 			}
 		};
 
 		_.defaults( this.options, {
 			multiple:  true,
 			editing:   false,
 			state:    'insert',
 			metadata:  {}
 		});
 
 		// Call 'initialize' directly on the parent class.
 		Select.prototype.initialize.apply( this, arguments );
 		this.createIframeStates();
 
 	},
 
 	/**
 	 * Create the default states.
 	 */
 	createStates: function() {
 		var options = this.options;
 
 		this.states.add([
 			// Main states.
 			new Library({
 				id:         'insert',
 				title:      l10n.insertMediaTitle,
 				priority:   20,
 				toolbar:    'main-insert',
 				filterable: 'all',
 				library:    wp.media.query( options.library ),
 				multiple:   options.multiple ? 'reset' : false,
 				editable:   true,
 
 				// If the user isn't allowed to edit fields,
 				// can they still edit it locally?
 				allowLocalEdits: true,
 
 				// Show the attachment display settings.
 				displaySettings: true,
 				// Update user settings when users adjust the
 				// attachment display settings.
 				displayUserSettings: true
 			}),
 
 			new Library({
 				id:         'gallery',
 				title:      l10n.createGalleryTitle,
 				priority:   40,
 				toolbar:    'main-gallery',
 				filterable: 'uploaded',
 				multiple:   'add',
 				editable:   false,
 
 				library:  wp.media.query( _.defaults({
 					type: 'image'
 				}, options.library ) )
 			}),
 
 			// Embed states.
 			new wp.media.controller.Embed( { metadata: options.metadata } ),
 
 			new wp.media.controller.EditImage( { model: options.editImage } ),
 
 			// Gallery states.
 			new wp.media.controller.GalleryEdit({
 				library: options.selection,
 				editing: options.editing,
 				menu:    'gallery'
 			}),
 
 			new wp.media.controller.GalleryAdd(),
 
 			new Library({
 				id:         'playlist',
 				title:      l10n.createPlaylistTitle,
 				priority:   60,
 				toolbar:    'main-playlist',
 				filterable: 'uploaded',
 				multiple:   'add',
 				editable:   false,
 
 				library:  wp.media.query( _.defaults({
 					type: 'audio'
 				}, options.library ) )
 			}),
 
 			// Playlist states.
 			new wp.media.controller.CollectionEdit({
 				type: 'audio',
 				collectionType: 'playlist',
 				title:          l10n.editPlaylistTitle,
 				SettingsView:   wp.media.view.Settings.Playlist,
 				library:        options.selection,
 				editing:        options.editing,
 				menu:           'playlist',
 				dragInfoText:   l10n.playlistDragInfo,
 				dragInfo:       false
 			}),
 
 			new wp.media.controller.CollectionAdd({
 				type: 'audio',
 				collectionType: 'playlist',
 				title: l10n.addToPlaylistTitle
 			}),
 
 			new Library({
 				id:         'video-playlist',
 				title:      l10n.createVideoPlaylistTitle,
 				priority:   60,
 				toolbar:    'main-video-playlist',
 				filterable: 'uploaded',
 				multiple:   'add',
 				editable:   false,
 
 				library:  wp.media.query( _.defaults({
 					type: 'video'
 				}, options.library ) )
 			}),
 
 			new wp.media.controller.CollectionEdit({
 				type: 'video',
 				collectionType: 'playlist',
 				title:          l10n.editVideoPlaylistTitle,
 				SettingsView:   wp.media.view.Settings.Playlist,
 				library:        options.selection,
 				editing:        options.editing,
 				menu:           'video-playlist',
 				dragInfoText:   l10n.videoPlaylistDragInfo,
 				dragInfo:       false
 			}),
 
 			new wp.media.controller.CollectionAdd({
 				type: 'video',
 				collectionType: 'playlist',
 				title: l10n.addToVideoPlaylistTitle
 			})
 		]);
 
 		if ( wp.media.view.settings.post.featuredImageId ) {
 			this.states.add( new wp.media.controller.FeaturedImage() );
 		}
 	},
 
 	bindHandlers: function() {
 		var handlers, checkCounts;
 
 		Select.prototype.bindHandlers.apply( this, arguments );
 
 		this.on( 'activate', this.activate, this );
 
 		// Only bother checking media type counts if one of the counts is zero.
 		checkCounts = _.find( this.counts, function( type ) {
 			return type.count === 0;
 		} );
 
 		if ( typeof checkCounts !== 'undefined' ) {
 			this.listenTo( wp.media.model.Attachments.all, 'change:type', this.mediaTypeCounts );
 		}
 
 		this.on( 'menu:create:gallery', this.createMenu, this );
 		this.on( 'menu:create:playlist', this.createMenu, this );
 		this.on( 'menu:create:video-playlist', this.createMenu, this );
 		this.on( 'toolbar:create:main-insert', this.createToolbar, this );
 		this.on( 'toolbar:create:main-gallery', this.createToolbar, this );
 		this.on( 'toolbar:create:main-playlist', this.createToolbar, this );
 		this.on( 'toolbar:create:main-video-playlist', this.createToolbar, this );
 		this.on( 'toolbar:create:featured-image', this.featuredImageToolbar, this );
 		this.on( 'toolbar:create:main-embed', this.mainEmbedToolbar, this );
 
 		handlers = {
 			menu: {
 				'default': 'mainMenu',
 				'gallery': 'galleryMenu',
 				'playlist': 'playlistMenu',
 				'video-playlist': 'videoPlaylistMenu'
 			},
 
 			content: {
 				'embed':          'embedContent',
 				'edit-image':     'editImageContent',
 				'edit-selection': 'editSelectionContent'
 			},
 
 			toolbar: {
 				'main-insert':      'mainInsertToolbar',
 				'main-gallery':     'mainGalleryToolbar',
 				'gallery-edit':     'galleryEditToolbar',
 				'gallery-add':      'galleryAddToolbar',
 				'main-playlist':	'mainPlaylistToolbar',
 				'playlist-edit':	'playlistEditToolbar',
 				'playlist-add':		'playlistAddToolbar',
 				'main-video-playlist': 'mainVideoPlaylistToolbar',
 				'video-playlist-edit': 'videoPlaylistEditToolbar',
 				'video-playlist-add': 'videoPlaylistAddToolbar'
 			}
 		};
 
 		_.each( handlers, function( regionHandlers, region ) {
 			_.each( regionHandlers, function( callback, handler ) {
 				this.on( region + ':render:' + handler, this[ callback ], this );
 			}, this );
 		}, this );
 	},
 
 	activate: function() {
 		// Hide menu items for states tied to particular media types if there are no items.
 		_.each( this.counts, function( type ) {
 			if ( type.count < 1 ) {
 				this.menuItemVisibility( type.state, 'hide' );
 			}
 		}, this );
 	},
 
 	mediaTypeCounts: function( model, attr ) {
 		if ( typeof this.counts[ attr ] !== 'undefined' && this.counts[ attr ].count < 1 ) {
 			this.counts[ attr ].count++;
 			this.menuItemVisibility( this.counts[ attr ].state, 'show' );
 		}
 	},
 
 	// Menus.
 	/**
 	 * @param {wp.Backbone.View} view
 	 */
 	mainMenu: function( view ) {
 		view.set({
 			'library-separator': new wp.media.View({
 				className:  'separator',
 				priority:   100,
 				attributes: {
 					role: 'presentation'
 				}
 			})
 		});
 	},
 
 	menuItemVisibility: function( state, visibility ) {
 		var menu = this.menu.get();
 		if ( visibility === 'hide' ) {
 			menu.hide( state );
 		} else if ( visibility === 'show' ) {
 			menu.show( state );
 		}
 	},
 	/**
 	 * @param {wp.Backbone.View} view
 	 */
 	galleryMenu: function( view ) {
 		var lastState = this.lastState(),
 			previous = lastState && lastState.id,
 			frame = this;
 
 		view.set({
 			cancel: {
 				text:     l10n.cancelGalleryTitle,
 				priority: 20,
 				click:    function() {
 					if ( previous ) {
 						frame.setState( previous );
 					} else {
 						frame.close();
 					}
 
 					// Move focus to the modal after canceling a Gallery.
 					this.controller.modal.focusManager.focus();
 				}
 			},
 			separateCancel: new wp.media.View({
 				className: 'separator',
 				priority: 40
 			})
 		});
 	},
 
 	playlistMenu: function( view ) {
 		var lastState = this.lastState(),
 			previous = lastState && lastState.id,
 			frame = this;
 
 		view.set({
 			cancel: {
 				text:     l10n.cancelPlaylistTitle,
 				priority: 20,
 				click:    function() {
 					if ( previous ) {
 						frame.setState( previous );
 					} else {
 						frame.close();
 					}
 
 					// Move focus to the modal after canceling an Audio Playlist.
 					this.controller.modal.focusManager.focus();
 				}
 			},
 			separateCancel: new wp.media.View({
 				className: 'separator',
 				priority: 40
 			})
 		});
 	},
 
 	videoPlaylistMenu: function( view ) {
 		var lastState = this.lastState(),
 			previous = lastState && lastState.id,
 			frame = this;
 
 		view.set({
 			cancel: {
 				text:     l10n.cancelVideoPlaylistTitle,
 				priority: 20,
 				click:    function() {
 					if ( previous ) {
 						frame.setState( previous );
 					} else {
 						frame.close();
 					}
 
 					// Move focus to the modal after canceling a Video Playlist.
 					this.controller.modal.focusManager.focus();
 				}
 			},
 			separateCancel: new wp.media.View({
 				className: 'separator',
 				priority: 40
 			})
 		});
 	},
 
 	// Content.
 	embedContent: function() {
 		var view = new wp.media.view.Embed({
 			controller: this,
 			model:      this.state()
 		}).render();
 
 		this.content.set( view );
 	},
 
 	editSelectionContent: function() {
 		var state = this.state(),
 			selection = state.get('selection'),
 			view;
 
 		view = new wp.media.view.AttachmentsBrowser({
 			controller: this,
 			collection: selection,
 			selection:  selection,
 			model:      state,
 			sortable:   true,
 			search:     false,
 			date:       false,
 			dragInfo:   true,
 
 			AttachmentView: wp.media.view.Attachments.EditSelection
 		}).render();
 
 		view.toolbar.set( 'backToLibrary', {
 			text:     l10n.returnToLibrary,
 			priority: -100,
 
 			click: function() {
 				this.controller.content.mode('browse');
 				// Move focus to the modal when jumping back from Edit Selection to Add Media view.
 				this.controller.modal.focusManager.focus();
 			}
 		});
 
 		// Browse our library of attachments.
 		this.content.set( view );
 
 		// Trigger the controller to set focus.
 		this.trigger( 'edit:selection', this );
 	},
 
 	editImageContent: function() {
 		var image = this.state().get('image'),
 			view = new wp.media.view.EditImage( { model: image, controller: this } ).render();
 
 		this.content.set( view );
 
 		// After creating the wrapper view, load the actual editor via an Ajax call.
 		view.loadEditor();
 
 	},
 
 	// Toolbars.
 
 	/**
 	 * @param {wp.Backbone.View} view
 	 */
 	selectionStatusToolbar: function( view ) {
 		var editable = this.state().get('editable');
 
 		view.set( 'selection', new wp.media.view.Selection({
 			controller: this,
 			collection: this.state().get('selection'),
 			priority:   -40,
 
 			// If the selection is editable, pass the callback to
 			// switch the content mode.
 			editable: editable && function() {
 				this.controller.content.mode('edit-selection');
 			}
 		}).render() );
 	},
 
 	/**
 	 * @param {wp.Backbone.View} view
 	 */
 	mainInsertToolbar: function( view ) {
 		var controller = this;
 
 		this.selectionStatusToolbar( view );
 
 		view.set( 'insert', {
 			style:    'primary',
 			priority: 80,
 			text:     l10n.insertIntoPost,
 			requires: { selection: true },
 
 			/**
 			 * @ignore
 			 *
 			 * @fires wp.media.controller.State#insert
 			 */
 			click: function() {
 				var state = controller.state(),
 					selection = state.get('selection');
 
 				controller.close();
 				state.trigger( 'insert', selection ).reset();
 			}
 		});
 	},
 
 	/**
 	 * @param {wp.Backbone.View} view
 	 */
 	mainGalleryToolbar: function( view ) {
 		var controller = this;
 
 		this.selectionStatusToolbar( view );
 
 		view.set( 'gallery', {
 			style:    'primary',
 			text:     l10n.createNewGallery,
 			priority: 60,
 			requires: { selection: true },
 
 			click: function() {
 				var selection = controller.state().get('selection'),
 					edit = controller.state('gallery-edit'),
 					models = selection.where({ type: 'image' });
 
 				edit.set( 'library', new wp.media.model.Selection( models, {
 					props:    selection.props.toJSON(),
 					multiple: true
 				}) );
 
 				// Jump to Edit Gallery view.
 				this.controller.setState( 'gallery-edit' );
 
 				// Move focus to the modal after jumping to Edit Gallery view.
 				this.controller.modal.focusManager.focus();
 			}
 		});
 	},
 
 	mainPlaylistToolbar: function( view ) {
 		var controller = this;
 
 		this.selectionStatusToolbar( view );
 
 		view.set( 'playlist', {
 			style:    'primary',
 			text:     l10n.createNewPlaylist,
 			priority: 100,
 			requires: { selection: true },
 
 			click: function() {
 				var selection = controller.state().get('selection'),
 					edit = controller.state('playlist-edit'),
 					models = selection.where({ type: 'audio' });
 
 				edit.set( 'library', new wp.media.model.Selection( models, {
 					props:    selection.props.toJSON(),
 					multiple: true
 				}) );
 
 				// Jump to Edit Audio Playlist view.
 				this.controller.setState( 'playlist-edit' );
 
 				// Move focus to the modal after jumping to Edit Audio Playlist view.
 				this.controller.modal.focusManager.focus();
 			}
 		});
 	},
 
 	mainVideoPlaylistToolbar: function( view ) {
 		var controller = this;
 
 		this.selectionStatusToolbar( view );
 
 		view.set( 'video-playlist', {
 			style:    'primary',
 			text:     l10n.createNewVideoPlaylist,
 			priority: 100,
 			requires: { selection: true },
 
 			click: function() {
 				var selection = controller.state().get('selection'),
 					edit = controller.state('video-playlist-edit'),
 					models = selection.where({ type: 'video' });
 
 				edit.set( 'library', new wp.media.model.Selection( models, {
 					props:    selection.props.toJSON(),
 					multiple: true
 				}) );
 
 				// Jump to Edit Video Playlist view.
 				this.controller.setState( 'video-playlist-edit' );
 
 				// Move focus to the modal after jumping to Edit Video Playlist view.
 				this.controller.modal.focusManager.focus();
 			}
 		});
 	},
 
 	featuredImageToolbar: function( toolbar ) {
 		this.createSelectToolbar( toolbar, {
 			text:  l10n.setFeaturedImage,
 			state: this.options.state
 		});
 	},
 
 	mainEmbedToolbar: function( toolbar ) {
 		toolbar.view = new wp.media.view.Toolbar.Embed({
 			controller: this
 		});
 	},
 
 	galleryEditToolbar: function() {
 		var editing = this.state().get('editing');
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				insert: {
 					style:    'primary',
 					text:     editing ? l10n.updateGallery : l10n.insertGallery,
 					priority: 80,
 					requires: { library: true },
 
 					/**
 					 * @fires wp.media.controller.State#update
 					 */
 					click: function() {
 						var controller = this.controller,
 							state = controller.state();
 
 						controller.close();
 						state.trigger( 'update', state.get('library') );
 
 						// Restore and reset the default state.
 						controller.setState( controller.options.state );
 						controller.reset();
 					}
 				}
 			}
 		}) );
 	},
 
 	galleryAddToolbar: function() {
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				insert: {
 					style:    'primary',
 					text:     l10n.addToGallery,
 					priority: 80,
 					requires: { selection: true },
 
 					/**
 					 * @fires wp.media.controller.State#reset
 					 */
 					click: function() {
 						var controller = this.controller,
 							state = controller.state(),
 							edit = controller.state('gallery-edit');
 
 						edit.get('library').add( state.get('selection').models );
 						state.trigger('reset');
 						controller.setState('gallery-edit');
 						// Move focus to the modal when jumping back from Add to Gallery to Edit Gallery view.
 						this.controller.modal.focusManager.focus();
 					}
 				}
 			}
 		}) );
 	},
 
 	playlistEditToolbar: function() {
 		var editing = this.state().get('editing');
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				insert: {
 					style:    'primary',
 					text:     editing ? l10n.updatePlaylist : l10n.insertPlaylist,
 					priority: 80,
 					requires: { library: true },
 
 					/**
 					 * @fires wp.media.controller.State#update
 					 */
 					click: function() {
 						var controller = this.controller,
 							state = controller.state();
 
 						controller.close();
 						state.trigger( 'update', state.get('library') );
 
 						// Restore and reset the default state.
 						controller.setState( controller.options.state );
 						controller.reset();
 					}
 				}
 			}
 		}) );
 	},
 
 	playlistAddToolbar: function() {
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				insert: {
 					style:    'primary',
 					text:     l10n.addToPlaylist,
 					priority: 80,
 					requires: { selection: true },
 
 					/**
 					 * @fires wp.media.controller.State#reset
 					 */
 					click: function() {
 						var controller = this.controller,
 							state = controller.state(),
 							edit = controller.state('playlist-edit');
 
 						edit.get('library').add( state.get('selection').models );
 						state.trigger('reset');
 						controller.setState('playlist-edit');
 						// Move focus to the modal when jumping back from Add to Audio Playlist to Edit Audio Playlist view.
 						this.controller.modal.focusManager.focus();
 					}
 				}
 			}
 		}) );
 	},
 
 	videoPlaylistEditToolbar: function() {
 		var editing = this.state().get('editing');
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				insert: {
 					style:    'primary',
 					text:     editing ? l10n.updateVideoPlaylist : l10n.insertVideoPlaylist,
 					priority: 140,
 					requires: { library: true },
 
 					click: function() {
 						var controller = this.controller,
 							state = controller.state(),
 							library = state.get('library');
 
 						library.type = 'video';
 
 						controller.close();
 						state.trigger( 'update', library );
 
 						// Restore and reset the default state.
 						controller.setState( controller.options.state );
 						controller.reset();
 					}
 				}
 			}
 		}) );
 	},
 
 	videoPlaylistAddToolbar: function() {
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				insert: {
 					style:    'primary',
 					text:     l10n.addToVideoPlaylist,
 					priority: 140,
 					requires: { selection: true },
 
 					click: function() {
 						var controller = this.controller,
 							state = controller.state(),
 							edit = controller.state('video-playlist-edit');
 
 						edit.get('library').add( state.get('selection').models );
 						state.trigger('reset');
 						controller.setState('video-playlist-edit');
 						// Move focus to the modal when jumping back from Add to Video Playlist to Edit Video Playlist view.
 						this.controller.modal.focusManager.focus();
 					}
 				}
 			}
 		}) );
 	}
 });
 
 module.exports = Post;
 
 
 /***/ }),
 
 /***/ "72mI":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	mediaTrash = wp.media.view.settings.mediaTrash,
 	l10n = wp.media.view.l10n,
 	$ = jQuery,
 	AttachmentsBrowser,
 	infiniteScrolling = wp.media.view.settings.infiniteScrolling,
 	__ = wp.i18n.__,
 	sprintf = wp.i18n.sprintf;
 
 /**
  * wp.media.view.AttachmentsBrowser
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  *
  * @param {object}         [options]               The options hash passed to the view.
  * @param {boolean|string} [options.filters=false] Which filters to show in the browser's toolbar.
  *                                                 Accepts 'uploaded' and 'all'.
  * @param {boolean}        [options.search=true]   Whether to show the search interface in the
  *                                                 browser's toolbar.
  * @param {boolean}        [options.date=true]     Whether to show the date filter in the
  *                                                 browser's toolbar.
  * @param {boolean}        [options.display=false] Whether to show the attachments display settings
  *                                                 view in the sidebar.
  * @param {boolean|string} [options.sidebar=true]  Whether to create a sidebar for the browser.
  *                                                 Accepts true, false, and 'errors'.
  */
 AttachmentsBrowser = View.extend(/** @lends wp.media.view.AttachmentsBrowser.prototype */{
 	tagName:   'div',
 	className: 'attachments-browser',
 
 	initialize: function() {
 		_.defaults( this.options, {
 			filters: false,
 			search:  true,
 			date:    true,
 			display: false,
 			sidebar: true,
 			AttachmentView: wp.media.view.Attachment.Library
 		});
 
 		this.controller.on( 'toggle:upload:attachment', this.toggleUploader, this );
 		this.controller.on( 'edit:selection', this.editSelection );
 
 		// In the Media Library, the sidebar is used to display errors before the attachments grid.
 		if ( this.options.sidebar && 'errors' === this.options.sidebar ) {
 			this.createSidebar();
 		}
 
 		/*
 		 * In the grid mode (the Media Library), place the Inline Uploader before
 		 * other sections so that the visual order and the DOM order match. This way,
 		 * the Inline Uploader in the Media Library is right after the "Add New"
 		 * button, see ticket #37188.
 		 */
 		if ( this.controller.isModeActive( 'grid' ) ) {
 			this.createUploader();
 
 			/*
 			 * Create a multi-purpose toolbar. Used as main toolbar in the Media Library
 			 * and also for other things, for example the "Drag and drop to reorder" and
 			 * "Suggested dimensions" info in the media modal.
 			 */
 			this.createToolbar();
 		} else {
 			this.createToolbar();
 			this.createUploader();
 		}
 
 		// Add a heading before the attachments list.
 		this.createAttachmentsHeading();
 
 		// Create the attachments wrapper view.
 		this.createAttachmentsWrapperView();
 
 		if ( ! infiniteScrolling ) {
 			this.$el.addClass( 'has-load-more' );
 			this.createLoadMoreView();
 		}
 
 		// For accessibility reasons, place the normal sidebar after the attachments, see ticket #36909.
 		if ( this.options.sidebar && 'errors' !== this.options.sidebar ) {
 			this.createSidebar();
 		}
 
 		this.updateContent();
 
 		if ( ! infiniteScrolling ) {
 			this.updateLoadMoreView();
 		}
 
 		if ( ! this.options.sidebar || 'errors' === this.options.sidebar ) {
 			this.$el.addClass( 'hide-sidebar' );
 
 			if ( 'errors' === this.options.sidebar ) {
 				this.$el.addClass( 'sidebar-for-errors' );
 			}
 		}
 
 		this.collection.on( 'add remove reset', this.updateContent, this );
 
 		if ( ! infiniteScrolling ) {
 			this.collection.on( 'add remove reset', this.updateLoadMoreView, this );
 		}
 
 		// The non-cached or cached attachments query has completed.
 		this.collection.on( 'attachments:received', this.announceSearchResults, this );
 	},
 
 	/**
 	 * Updates the `wp.a11y.speak()` ARIA live region with a message to communicate
 	 * the number of search results to screen reader users. This function is
 	 * debounced because the collection updates multiple times.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @return {void}
 	 */
 	announceSearchResults: _.debounce( function() {
 		var count,
 			/* translators: Accessibility text. %d: Number of attachments found in a search. */
 			mediaFoundHasMoreResultsMessage = __( 'Number of media items displayed: %d. Click load more for more results.' );
 
 		if ( infiniteScrolling ) {
 			/* translators: Accessibility text. %d: Number of attachments found in a search. */
 			mediaFoundHasMoreResultsMessage = __( 'Number of media items displayed: %d. Scroll the page for more results.' );
 		}
 
 		if ( this.collection.mirroring.args.s ) {
 			count = this.collection.length;
 
 			if ( 0 === count ) {
 				wp.a11y.speak( l10n.noMediaTryNewSearch );
 				return;
 			}
 
 			if ( this.collection.hasMore() ) {
 				wp.a11y.speak( mediaFoundHasMoreResultsMessage.replace( '%d', count ) );
 				return;
 			}
 
 			wp.a11y.speak( l10n.mediaFound.replace( '%d', count ) );
 		}
 	}, 200 ),
 
 	editSelection: function( modal ) {
 		// When editing a selection, move focus to the "Go to library" button.
 		modal.$( '.media-button-backToLibrary' ).focus();
 	},
 
 	/**
 	 * @return {wp.media.view.AttachmentsBrowser} Returns itself to allow chaining.
 	 */
 	dispose: function() {
 		this.options.selection.off( null, null, this );
 		View.prototype.dispose.apply( this, arguments );
 		return this;
 	},
 
 	createToolbar: function() {
 		var LibraryViewSwitcher, Filters, toolbarOptions,
 			showFilterByType = -1 !== $.inArray( this.options.filters, [ 'uploaded', 'all' ] );
 
 		toolbarOptions = {
 			controller: this.controller
 		};
 
 		if ( this.controller.isModeActive( 'grid' ) ) {
 			toolbarOptions.className = 'media-toolbar wp-filter';
 		}
 
 		/**
 		* @member {wp.media.view.Toolbar}
 		*/
 		this.toolbar = new wp.media.view.Toolbar( toolbarOptions );
 
 		this.views.add( this.toolbar );
 
 		this.toolbar.set( 'spinner', new wp.media.view.Spinner({
 			priority: -20
 		}) );
 
 		if ( showFilterByType || this.options.date ) {
 			/*
 			 * Create a h2 heading before the select elements that filter attachments.
 			 * This heading is visible in the modal and visually hidden in the grid.
 			 */
 			this.toolbar.set( 'filters-heading', new wp.media.view.Heading( {
 				priority:   -100,
 				text:       l10n.filterAttachments,
 				level:      'h2',
 				className:  'media-attachments-filter-heading'
 			}).render() );
 		}
 
 		if ( showFilterByType ) {
 			// "Filters" is a <select>, a visually hidden label element needs to be rendered before.
 			this.toolbar.set( 'filtersLabel', new wp.media.view.Label({
 				value: l10n.filterByType,
 				attributes: {
 					'for':  'media-attachment-filters'
 				},
 				priority:   -80
 			}).render() );
 
 			if ( 'uploaded' === this.options.filters ) {
 				this.toolbar.set( 'filters', new wp.media.view.AttachmentFilters.Uploaded({
 					controller: this.controller,
 					model:      this.collection.props,
 					priority:   -80
 				}).render() );
 			} else {
 				Filters = new wp.media.view.AttachmentFilters.All({
 					controller: this.controller,
 					model:      this.collection.props,
 					priority:   -80
 				});
 
 				this.toolbar.set( 'filters', Filters.render() );
 			}
 		}
 
 		/*
 		 * Feels odd to bring the global media library switcher into the Attachment browser view.
 		 * Is this a use case for doAction( 'add:toolbar-items:attachments-browser', this.toolbar );
 		 * which the controller can tap into and add this view?
 		 */
 		if ( this.controller.isModeActive( 'grid' ) ) {
 			LibraryViewSwitcher = View.extend({
 				className: 'view-switch media-grid-view-switch',
 				template: wp.template( 'media-library-view-switcher')
 			});
 
 			this.toolbar.set( 'libraryViewSwitcher', new LibraryViewSwitcher({
 				controller: this.controller,
 				priority: -90
 			}).render() );
 
 			// DateFilter is a <select>, a visually hidden label element needs to be rendered before.
 			this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
 				value: l10n.filterByDate,
 				attributes: {
 					'for': 'media-attachment-date-filters'
 				},
 				priority: -75
 			}).render() );
 			this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
 				controller: this.controller,
 				model:      this.collection.props,
 				priority: -75
 			}).render() );
 
 			// BulkSelection is a <div> with subviews, including screen reader text.
 			this.toolbar.set( 'selectModeToggleButton', new wp.media.view.SelectModeToggleButton({
 				text: l10n.bulkSelect,
 				controller: this.controller,
 				priority: -70
 			}).render() );
 
 			this.toolbar.set( 'deleteSelectedButton', new wp.media.view.DeleteSelectedButton({
 				filters: Filters,
 				style: 'primary',
 				disabled: true,
 				text: mediaTrash ? l10n.trashSelected : l10n.deletePermanently,
 				controller: this.controller,
 				priority: -80,
 				click: function() {
 					var changed = [], removed = [],
 						selection = this.controller.state().get( 'selection' ),
 						library = this.controller.state().get( 'library' );
 
 					if ( ! selection.length ) {
 						return;
 					}
 
 					if ( ! mediaTrash && ! window.confirm( l10n.warnBulkDelete ) ) {
 						return;
 					}
 
 					if ( mediaTrash &&
 						'trash' !== selection.at( 0 ).get( 'status' ) &&
 						! window.confirm( l10n.warnBulkTrash ) ) {
 
 						return;
 					}
 
 					selection.each( function( model ) {
 						if ( ! model.get( 'nonces' )['delete'] ) {
 							removed.push( model );
 							return;
 						}
 
 						if ( mediaTrash && 'trash' === model.get( 'status' ) ) {
 							model.set( 'status', 'inherit' );
 							changed.push( model.save() );
 							removed.push( model );
 						} else if ( mediaTrash ) {
 							model.set( 'status', 'trash' );
 							changed.push( model.save() );
 							removed.push( model );
 						} else {
 							model.destroy({wait: true});
 						}
 					} );
 
 					if ( changed.length ) {
 						selection.remove( removed );
 
 						$.when.apply( null, changed ).then( _.bind( function() {
 							library._requery( true );
 							this.controller.trigger( 'selection:action:done' );
 						}, this ) );
 					} else {
 						this.controller.trigger( 'selection:action:done' );
 					}
 				}
 			}).render() );
 
 			if ( mediaTrash ) {
 				this.toolbar.set( 'deleteSelectedPermanentlyButton', new wp.media.view.DeleteSelectedPermanentlyButton({
 					filters: Filters,
 					style: 'link button-link-delete',
 					disabled: true,
 					text: l10n.deletePermanently,
 					controller: this.controller,
 					priority: -55,
 					click: function() {
 						var removed = [],
 							destroy = [],
 							selection = this.controller.state().get( 'selection' );
 
 						if ( ! selection.length || ! window.confirm( l10n.warnBulkDelete ) ) {
 							return;
 						}
 
 						selection.each( function( model ) {
 							if ( ! model.get( 'nonces' )['delete'] ) {
 								removed.push( model );
 								return;
 							}
 
 							destroy.push( model );
 						} );
 
 						if ( removed.length ) {
 							selection.remove( removed );
 						}
 
 						if ( destroy.length ) {
 							$.when.apply( null, destroy.map( function (item) {
 								return item.destroy();
 							} ) ).then( _.bind( function() {
 								this.controller.trigger( 'selection:action:done' );
 							}, this ) );
 						}
 					}
 				}).render() );
 			}
 
 		} else if ( this.options.date ) {
 			// DateFilter is a <select>, a visually hidden label element needs to be rendered before.
 			this.toolbar.set( 'dateFilterLabel', new wp.media.view.Label({
 				value: l10n.filterByDate,
 				attributes: {
 					'for': 'media-attachment-date-filters'
 				},
 				priority: -75
 			}).render() );
 			this.toolbar.set( 'dateFilter', new wp.media.view.DateFilter({
 				controller: this.controller,
 				model:      this.collection.props,
 				priority: -75
 			}).render() );
 		}
 
 		if ( this.options.search ) {
 			// Search is an input, a visually hidden label element needs to be rendered before.
 			this.toolbar.set( 'searchLabel', new wp.media.view.Label({
 				value: l10n.searchLabel,
 				className: 'media-search-input-label',
 				attributes: {
 					'for': 'media-search-input'
 				},
 				priority:   60
 			}).render() );
 			this.toolbar.set( 'search', new wp.media.view.Search({
 				controller: this.controller,
 				model:      this.collection.props,
 				priority:   60
 			}).render() );
 		}
 
 		if ( this.options.dragInfo ) {
 			this.toolbar.set( 'dragInfo', new View({
 				el: $( '<div class="instructions">' + l10n.dragInfo + '</div>' )[0],
 				priority: -40
 			}) );
 		}
 
 		if ( this.options.suggestedWidth && this.options.suggestedHeight ) {
 			this.toolbar.set( 'suggestedDimensions', new View({
 				el: $( '<div class="instructions">' + l10n.suggestedDimensions.replace( '%1$s', this.options.suggestedWidth ).replace( '%2$s', this.options.suggestedHeight ) + '</div>' )[0],
 				priority: -40
 			}) );
 		}
 	},
 
 	updateContent: function() {
 		var view = this,
 			noItemsView;
 
 		if ( this.controller.isModeActive( 'grid' ) ) {
 			// Usually the media library.
 			noItemsView = view.attachmentsNoResults;
 		} else {
 			// Usually the media modal.
 			noItemsView = view.uploader;
 		}
 
 		if ( ! this.collection.length ) {
 			this.toolbar.get( 'spinner' ).show();
 			this.dfd = this.collection.more().done( function() {
 				if ( ! view.collection.length ) {
 					noItemsView.$el.removeClass( 'hidden' );
 				} else {
 					noItemsView.$el.addClass( 'hidden' );
 				}
 				view.toolbar.get( 'spinner' ).hide();
 			} );
 		} else {
 			noItemsView.$el.addClass( 'hidden' );
 			view.toolbar.get( 'spinner' ).hide();
 		}
 	},
 
 	createUploader: function() {
 		this.uploader = new wp.media.view.UploaderInline({
 			controller: this.controller,
 			status:     false,
 			message:    this.controller.isModeActive( 'grid' ) ? '' : l10n.noItemsFound,
 			canClose:   this.controller.isModeActive( 'grid' )
 		});
 
 		this.uploader.$el.addClass( 'hidden' );
 		this.views.add( this.uploader );
 	},
 
 	toggleUploader: function() {
 		if ( this.uploader.$el.hasClass( 'hidden' ) ) {
 			this.uploader.show();
 		} else {
 			this.uploader.hide();
 		}
 	},
 
 	/**
 	 * Creates the Attachments wrapper view.
 	 *
 	 * @since 5.8.0
 	 *
 	 * @return {void}
 	 */
 	createAttachmentsWrapperView: function() {
 		this.attachmentsWrapper = new wp.media.View( {
 			className: 'attachments-wrapper'
 		} );
 
 		// Create the list of attachments.
 		this.views.add( this.attachmentsWrapper );
 		this.createAttachments();
 	},
 
 	createAttachments: function() {
 		this.attachments = new wp.media.view.Attachments({
 			controller:           this.controller,
 			collection:           this.collection,
 			selection:            this.options.selection,
 			model:                this.model,
 			sortable:             this.options.sortable,
 			scrollElement:        this.options.scrollElement,
 			idealColumnWidth:     this.options.idealColumnWidth,
 
 			// The single `Attachment` view to be used in the `Attachments` view.
 			AttachmentView: this.options.AttachmentView
 		});
 
 		// Add keydown listener to the instance of the Attachments view.
 		this.controller.on( 'attachment:keydown:arrow',     _.bind( this.attachments.arrowEvent, this.attachments ) );
 		this.controller.on( 'attachment:details:shift-tab', _.bind( this.attachments.restoreFocus, this.attachments ) );
 
 		this.views.add( '.attachments-wrapper', this.attachments );
 
 		if ( this.controller.isModeActive( 'grid' ) ) {
 			this.attachmentsNoResults = new View({
 				controller: this.controller,
 				tagName: 'p'
 			});
 
 			this.attachmentsNoResults.$el.addClass( 'hidden no-media' );
 			this.attachmentsNoResults.$el.html( l10n.noMedia );
 
 			this.views.add( this.attachmentsNoResults );
 		}
 	},
 
 	/**
 	 * Creates the load more button and attachments counter view.
 	 *
 	 * @since 5.8.0
 	 *
 	 * @return {void}
 	 */
 	createLoadMoreView: function() {
 		var view = this;
 
 		this.loadMoreWrapper = new View( {
 			controller: this.controller,
 			className: 'load-more-wrapper'
 		} );
 
 		this.loadMoreCount = new View( {
 			controller: this.controller,
 			tagName: 'p',
 			className: 'load-more-count hidden'
 		} );
 
 		this.loadMoreButton = new wp.media.view.Button( {
 			text: __( 'Load more' ),
 			className: 'load-more hidden',
 			style: 'primary',
 			size: '',
 			click: function() {
 				view.loadMoreAttachments();
 			}
 		} );
 
 		this.loadMoreSpinner = new wp.media.view.Spinner();
 
 		this.loadMoreJumpToFirst = new wp.media.view.Button( {
 			text: __( 'Jump to first loaded item' ),
 			className: 'load-more-jump hidden',
 			size: '',
 			click: function() {
 				view.jumpToFirstAddedItem();
 			}
 		} );
 
 		this.views.add( '.attachments-wrapper', this.loadMoreWrapper );
 		this.views.add( '.load-more-wrapper', this.loadMoreSpinner );
 		this.views.add( '.load-more-wrapper', this.loadMoreCount );
 		this.views.add( '.load-more-wrapper', this.loadMoreButton );
 		this.views.add( '.load-more-wrapper', this.loadMoreJumpToFirst );
 	},
 
 	/**
 	 * Updates the Load More view. This function is debounced because the
 	 * collection updates multiple times at the add, remove, and reset events.
 	 * We need it to run only once, after all attachments are added or removed.
 	 *
 	 * @since 5.8.0
 	 *
 	 * @return {void}
 	 */
 	updateLoadMoreView: _.debounce( function() {
 		// Ensure the load more view elements are initially hidden at each update.
 		this.loadMoreButton.$el.addClass( 'hidden' );
 		this.loadMoreCount.$el.addClass( 'hidden' );
 		this.loadMoreJumpToFirst.$el.addClass( 'hidden' ).prop( 'disabled', true );
 
 		if ( ! this.collection.getTotalAttachments() ) {
 			return;
 		}
 
 		if ( this.collection.length ) {
 			this.loadMoreCount.$el.text(
 				/* translators: 1: Number of displayed attachments, 2: Number of total attachments. */
 				sprintf(
 					__( 'Showing %1$s of %2$s media items' ),
 					this.collection.length,
 					this.collection.getTotalAttachments()
 				)
 			);
 
 			this.loadMoreCount.$el.removeClass( 'hidden' );
 		}
 
 		/*
 		 * Notice that while the collection updates multiple times hasMore() may
 		 * return true when it's actually not true.
 		 */
 		if ( this.collection.hasMore() ) {
 			this.loadMoreButton.$el.removeClass( 'hidden' );
 		}
 
 		// Find the media item to move focus to. The jQuery `eq()` index is zero-based.
 		this.firstAddedMediaItem = this.$el.find( '.attachment' ).eq( this.firstAddedMediaItemIndex );
 
 		// If there's a media item to move focus to, make the "Jump to" button available.
 		if ( this.firstAddedMediaItem.length ) {
 			this.firstAddedMediaItem.addClass( 'new-media' );
 			this.loadMoreJumpToFirst.$el.removeClass( 'hidden' ).prop( 'disabled', false );
 		}
 
 		// If there are new items added, but no more to be added, move focus to Jump button.
 		if ( this.firstAddedMediaItem.length && ! this.collection.hasMore() ) {
 			this.loadMoreJumpToFirst.$el.trigger( 'focus' );
 		}
 	}, 10 ),
 
 	/**
 	 * Loads more attachments.
 	 *
 	 * @since 5.8.0
 	 *
 	 * @return {void}
 	 */
 	loadMoreAttachments: function() {
 		var view = this;
 
 		if ( ! this.collection.hasMore() ) {
 			return;
 		}
 
 		/*
 		 * The collection index is zero-based while the length counts the actual
 		 * amount of items. Thus the length is equivalent to the position of the
 		 * first added item.
 		 */
 		this.firstAddedMediaItemIndex = this.collection.length;
 
 		this.$el.addClass( 'more-loaded' );
 		this.collection.each( function( attachment ) {
 			var attach_id = attachment.attributes.id;
 			$( '[data-id="' + attach_id + '"]' ).addClass( 'found-media' );
 		});
 
 		view.loadMoreSpinner.show();
 		this.collection.once( 'attachments:received', function() {
 			view.loadMoreSpinner.hide();
 		} );
 		this.collection.more();
 	},
 
 	/**
 	 * Moves focus to the first new added item.	.
 	 *
 	 * @since 5.8.0
 	 *
 	 * @return {void}
 	 */
 	jumpToFirstAddedItem: function() {
 		// Set focus on first added item.
 		this.firstAddedMediaItem.focus();
 	},
 
 	createAttachmentsHeading: function() {
 		this.attachmentsHeading = new wp.media.view.Heading( {
 			text: l10n.attachmentsList,
 			level: 'h2',
 			className: 'media-views-heading screen-reader-text'
 		} );
 		this.views.add( this.attachmentsHeading );
 	},
 
 	createSidebar: function() {
 		var options = this.options,
 			selection = options.selection,
 			sidebar = this.sidebar = new wp.media.view.Sidebar({
 				controller: this.controller
 			});
 
 		this.views.add( sidebar );
 
 		if ( this.controller.uploader ) {
 			sidebar.set( 'uploads', new wp.media.view.UploaderStatus({
 				controller: this.controller,
 				priority:   40
 			}) );
 		}
 
 		selection.on( 'selection:single', this.createSingle, this );
 		selection.on( 'selection:unsingle', this.disposeSingle, this );
 
 		if ( selection.single() ) {
 			this.createSingle();
 		}
 	},
 
 	createSingle: function() {
 		var sidebar = this.sidebar,
 			single = this.options.selection.single();
 
 		sidebar.set( 'details', new wp.media.view.Attachment.Details({
 			controller: this.controller,
 			model:      single,
 			priority:   80
 		}) );
 
 		sidebar.set( 'compat', new wp.media.view.AttachmentCompat({
 			controller: this.controller,
 			model:      single,
 			priority:   120
 		}) );
 
 		if ( this.options.display ) {
 			sidebar.set( 'display', new wp.media.view.Settings.AttachmentDisplay({
 				controller:   this.controller,
 				model:        this.model.display( single ),
 				attachment:   single,
 				priority:     160,
 				userSettings: this.model.get('displayUserSettings')
 			}) );
 		}
 
 		// Show the sidebar on mobile.
 		if ( this.model.id === 'insert' ) {
 			sidebar.$el.addClass( 'visible' );
 		}
 	},
 
 	disposeSingle: function() {
 		var sidebar = this.sidebar;
 		sidebar.unset('details');
 		sidebar.unset('compat');
 		sidebar.unset('display');
 		// Hide the sidebar on mobile.
 		sidebar.$el.removeClass( 'visible' );
 	}
 });
 
 module.exports = AttachmentsBrowser;
 
 
 /***/ }),
 
 /***/ "76BF":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Settings.Playlist
  *
  * @memberOf wp.media.view.Settings
  *
  * @class
  * @augments wp.media.view.Settings
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Playlist = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Playlist.prototype */{
 	className: 'collection-settings playlist-settings',
 	template:  wp.template('playlist-settings')
 });
 
 module.exports = Playlist;
 
 
 /***/ }),
 
 /***/ "7Bpz":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	UploaderInline;
 
 /**
  * wp.media.view.UploaderInline
  *
  * The inline uploader that shows up in the 'Upload Files' tab.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 UploaderInline = View.extend(/** @lends wp.media.view.UploaderInline.prototype */{
 	tagName:   'div',
 	className: 'uploader-inline',
 	template:  wp.template('uploader-inline'),
 
 	events: {
 		'click .close': 'hide'
 	},
 
 	initialize: function() {
 		_.defaults( this.options, {
 			message: '',
 			status:  true,
 			canClose: false
 		});
 
 		if ( ! this.options.$browser && this.controller.uploader ) {
 			this.options.$browser = this.controller.uploader.$browser;
 		}
 
 		if ( _.isUndefined( this.options.postId ) ) {
 			this.options.postId = wp.media.view.settings.post.id;
 		}
 
 		if ( this.options.status ) {
 			this.views.set( '.upload-inline-status', new wp.media.view.UploaderStatus({
 				controller: this.controller
 			}) );
 		}
 	},
 
 	prepare: function() {
 		var suggestedWidth = this.controller.state().get('suggestedWidth'),
 			suggestedHeight = this.controller.state().get('suggestedHeight'),
 			data = {};
 
 		data.message = this.options.message;
 		data.canClose = this.options.canClose;
 
 		if ( suggestedWidth && suggestedHeight ) {
 			data.suggestedWidth = suggestedWidth;
 			data.suggestedHeight = suggestedHeight;
 		}
 
 		return data;
 	},
 	/**
 	 * @return {wp.media.view.UploaderInline} Returns itself to allow chaining.
 	 */
 	dispose: function() {
 		if ( this.disposing ) {
 			/**
 			 * call 'dispose' directly on the parent class
 			 */
 			return View.prototype.dispose.apply( this, arguments );
 		}
 
 		/*
 		 * Run remove on `dispose`, so we can be sure to refresh the
 		 * uploader with a view-less DOM. Track whether we're disposing
 		 * so we don't trigger an infinite loop.
 		 */
 		this.disposing = true;
 		return this.remove();
 	},
 	/**
 	 * @return {wp.media.view.UploaderInline} Returns itself to allow chaining.
 	 */
 	remove: function() {
 		/**
 		 * call 'remove' directly on the parent class
 		 */
 		var result = View.prototype.remove.apply( this, arguments );
 
 		_.defer( _.bind( this.refresh, this ) );
 		return result;
 	},
 
 	refresh: function() {
 		var uploader = this.controller.uploader;
 
 		if ( uploader ) {
 			uploader.refresh();
 		}
 	},
 	/**
 	 * @return {wp.media.view.UploaderInline}
 	 */
 	ready: function() {
 		var $browser = this.options.$browser,
 			$placeholder;
 
 		if ( this.controller.uploader ) {
 			$placeholder = this.$('.browser');
 
 			// Check if we've already replaced the placeholder.
 			if ( $placeholder[0] === $browser[0] ) {
 				return;
 			}
 
 			$browser.detach().text( $placeholder.text() );
 			$browser[0].className = $placeholder[0].className;
 			$browser[0].setAttribute( 'aria-labelledby', $browser[0].id + ' ' + $placeholder[0].getAttribute('aria-labelledby') );
 			$placeholder.replaceWith( $browser.show() );
 		}
 
 		this.refresh();
 		return this;
 	},
 	show: function() {
 		this.$el.removeClass( 'hidden' );
 		if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
 			this.controller.$uploaderToggler.attr( 'aria-expanded', 'true' );
 		}
 	},
 	hide: function() {
 		this.$el.addClass( 'hidden' );
 		if ( this.controller.$uploaderToggler && this.controller.$uploaderToggler.length ) {
 			this.controller.$uploaderToggler
 				.attr( 'aria-expanded', 'false' )
 				// Move focus back to the toggle button when closing the uploader.
 				.trigger( 'focus' );
 		}
 	}
 
 });
 
 module.exports = UploaderInline;
 
 
 /***/ }),
 
 /***/ "99yY":
 /***/ (function(module, exports) {
 
 var Library = wp.media.controller.Library,
 	l10n = wp.media.view.l10n,
 	GalleryEdit;
 
 /**
  * wp.media.controller.GalleryEdit
  *
  * A state for editing a gallery's images and settings.
  *
  * @since 3.5.0
  *
  * @class
  * @augments wp.media.controller.Library
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @memberOf wp.media.controller
  *
  * @param {Object}                     [attributes]                       The attributes hash passed to the state.
  * @param {string}                     [attributes.id=gallery-edit]       Unique identifier.
  * @param {string}                     [attributes.title=Edit Gallery]    Title for the state. Displays in the frame's title region.
  * @param {wp.media.model.Attachments} [attributes.library]               The collection of attachments in the gallery.
  *                                                                        If one is not supplied, an empty media.model.Selection collection is created.
  * @param {boolean}                    [attributes.multiple=false]        Whether multi-select is enabled.
  * @param {boolean}                    [attributes.searchable=false]      Whether the library is searchable.
  * @param {boolean}                    [attributes.sortable=true]         Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
  * @param {boolean}                    [attributes.date=true]             Whether to show the date filter in the browser's toolbar.
  * @param {string|false}               [attributes.content=browse]        Initial mode for the content region.
  * @param {string|false}               [attributes.toolbar=image-details] Initial mode for the toolbar region.
  * @param {boolean}                    [attributes.describe=true]         Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
  * @param {boolean}                    [attributes.displaySettings=true]  Whether to show the attachment display settings interface.
  * @param {boolean}                    [attributes.dragInfo=true]         Whether to show instructional text about the attachments being sortable.
  * @param {number}                     [attributes.idealColumnWidth=170]  The ideal column width in pixels for attachments.
  * @param {boolean}                    [attributes.editing=false]         Whether the gallery is being created, or editing an existing instance.
  * @param {number}                     [attributes.priority=60]           The priority for the state link in the media menu.
  * @param {boolean}                    [attributes.syncSelection=false]   Whether the Attachments selection should be persisted from the last state.
  *                                                                        Defaults to false for this state, because the library passed in  *is* the selection.
  * @param {view}                       [attributes.AttachmentView]        The single `Attachment` view to be used in the `Attachments`.
  *                                                                        If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
  */
 GalleryEdit = Library.extend(/** @lends wp.media.controller.GalleryEdit.prototype */{
 	defaults: {
 		id:               'gallery-edit',
 		title:            l10n.editGalleryTitle,
 		multiple:         false,
 		searchable:       false,
 		sortable:         true,
 		date:             false,
 		display:          false,
 		content:          'browse',
 		toolbar:          'gallery-edit',
 		describe:         true,
 		displaySettings:  true,
 		dragInfo:         true,
 		idealColumnWidth: 170,
 		editing:          false,
 		priority:         60,
 		syncSelection:    false
 	},
 
 	/**
 	 * Initializes the library.
 	 *
 	 * Creates a selection if a library isn't supplied and creates an attachment
 	 * view if no attachment view is supplied.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	initialize: function() {
 		// If we haven't been provided a `library`, create a `Selection`.
 		if ( ! this.get('library') ) {
 			this.set( 'library', new wp.media.model.Selection() );
 		}
 
 		// The single `Attachment` view to be used in the `Attachments` view.
 		if ( ! this.get('AttachmentView') ) {
 			this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
 		}
 
 		Library.prototype.initialize.apply( this, arguments );
 	},
 
 	/**
 	 * Activates the library.
 	 *
 	 * Limits the library to images, watches for uploaded attachments. Watches for
 	 * the browse event on the frame and binds it to gallerySettings.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	activate: function() {
 		var library = this.get('library');
 
 		// Limit the library to images only.
 		library.props.set( 'type', 'image' );
 
 		// Watch for uploaded attachments.
 		this.get('library').observe( wp.Uploader.queue );
 
 		this.frame.on( 'content:render:browse', this.gallerySettings, this );
 
 		Library.prototype.activate.apply( this, arguments );
 	},
 
 	/**
 	 * Deactivates the library.
 	 *
 	 * Stops watching for uploaded attachments and browse events.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	deactivate: function() {
 		// Stop watching for uploaded attachments.
 		this.get('library').unobserve( wp.Uploader.queue );
 
 		this.frame.off( 'content:render:browse', this.gallerySettings, this );
 
 		Library.prototype.deactivate.apply( this, arguments );
 	},
 
 	/**
 	 * Adds the gallery settings to the sidebar and adds a reverse button to the
 	 * toolbar.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {wp.media.view.Frame} browser The file browser.
 	 *
 	 * @return {void}
 	 */
 	gallerySettings: function( browser ) {
 		if ( ! this.get('displaySettings') ) {
 			return;
 		}
 
 		var library = this.get('library');
 
 		if ( ! library || ! browser ) {
 			return;
 		}
 
 		library.gallery = library.gallery || new Backbone.Model();
 
 		browser.sidebar.set({
 			gallery: new wp.media.view.Settings.Gallery({
 				controller: this,
 				model:      library.gallery,
 				priority:   40
 			})
 		});
 
 		browser.toolbar.set( 'reverse', {
 			text:     l10n.reverseOrder,
 			priority: 80,
 
 			click: function() {
 				library.reset( library.toArray().reverse() );
 			}
 		});
 	}
 });
 
 module.exports = GalleryEdit;
 
 
 /***/ }),
 
 /***/ "9ARG":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Sidebar
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.PriorityList
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Sidebar = wp.media.view.PriorityList.extend(/** @lends wp.media.view.Sidebar.prototype */{
 	className: 'media-sidebar'
 });
 
 module.exports = Sidebar;
 
 
 /***/ }),
 
 /***/ "Bbnu":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.View
  *
  * The base view class for media.
  *
  * Undelegating events, removing events from the model, and
  * removing events from the controller mirror the code for
  * `Backbone.View.dispose` in Backbone 0.9.8 development.
  *
  * This behavior has since been removed, and should not be used
  * outside of the media manager.
  *
  * @memberOf wp.media
  *
  * @class
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var View = wp.Backbone.View.extend(/** @lends wp.media.View.prototype */{
 	constructor: function( options ) {
 		if ( options && options.controller ) {
 			this.controller = options.controller;
 		}
 		wp.Backbone.View.apply( this, arguments );
 	},
 	/**
 	 * @todo The internal comment mentions this might have been a stop-gap
 	 *       before Backbone 0.9.8 came out. Figure out if Backbone core takes
 	 *       care of this in Backbone.View now.
 	 *
 	 * @return {wp.media.View} Returns itself to allow chaining.
 	 */
 	dispose: function() {
 		/*
 		 * Undelegating events, removing events from the model, and
 		 * removing events from the controller mirror the code for
 		 * `Backbone.View.dispose` in Backbone 0.9.8 development.
 		 */
 		this.undelegateEvents();
 
 		if ( this.model && this.model.off ) {
 			this.model.off( null, null, this );
 		}
 
 		if ( this.collection && this.collection.off ) {
 			this.collection.off( null, null, this );
 		}
 
 		// Unbind controller events.
 		if ( this.controller && this.controller.off ) {
 			this.controller.off( null, null, this );
 		}
 
 		return this;
 	},
 	/**
 	 * @return {wp.media.View} Returns itself to allow chaining.
 	 */
 	remove: function() {
 		this.dispose();
 		/**
 		 * call 'remove' directly on the parent class
 		 */
 		return wp.Backbone.View.prototype.remove.apply( this, arguments );
 	}
 });
 
 module.exports = View;
 
 
 /***/ }),
 
 /***/ "EVvK":
 /***/ (function(module, exports) {
 
 var Menu = wp.media.view.Menu,
 	Router;
 
 /**
  * wp.media.view.Router
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.Menu
  * @augments wp.media.view.PriorityList
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Router = Menu.extend(/** @lends wp.media.view.Router.prototype */{
 	tagName:   'div',
 	className: 'media-router',
 	property:  'contentMode',
 	ItemView:  wp.media.view.RouterItem,
 	region:    'router',
 
 	attributes: {
 		role:               'tablist',
 		'aria-orientation': 'horizontal'
 	},
 
 	initialize: function() {
 		this.controller.on( 'content:render', this.update, this );
 		// Call 'initialize' directly on the parent class.
 		Menu.prototype.initialize.apply( this, arguments );
 	},
 
 	update: function() {
 		var mode = this.controller.content.mode();
 		if ( mode ) {
 			this.select( mode );
 		}
 	}
 });
 
 module.exports = Router;
 
 
 /***/ }),
 
 /***/ "EvXF":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Attachment.EditLibrary
  *
  * @memberOf wp.media.view.Attachment
  *
  * @class
  * @augments wp.media.view.Attachment
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var EditLibrary = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.EditLibrary.prototype */{
 	buttons: {
 		close: true
 	}
 });
 
 module.exports = EditLibrary;
 
 
 /***/ }),
 
 /***/ "F/kE":
 /***/ (function(module, exports) {
 
 var l10n = wp.media.view.l10n,
 	getUserSetting = window.getUserSetting,
 	setUserSetting = window.setUserSetting,
 	Library;
 
 /**
  * wp.media.controller.Library
  *
  * A state for choosing an attachment or group of attachments from the media library.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  * @mixes media.selectionSync
  *
  * @param {object}                          [attributes]                         The attributes hash passed to the state.
  * @param {string}                          [attributes.id=library]              Unique identifier.
  * @param {string}                          [attributes.title=Media library]     Title for the state. Displays in the media menu and the frame's title region.
  * @param {wp.media.model.Attachments}      [attributes.library]                 The attachments collection to browse.
  *                                                                               If one is not supplied, a collection of all attachments will be created.
  * @param {wp.media.model.Selection|object} [attributes.selection]               A collection to contain attachment selections within the state.
  *                                                                               If the 'selection' attribute is a plain JS object,
  *                                                                               a Selection will be created using its values as the selection instance's `props` model.
  *                                                                               Otherwise, it will copy the library's `props` model.
  * @param {boolean}                         [attributes.multiple=false]          Whether multi-select is enabled.
  * @param {string}                          [attributes.content=upload]          Initial mode for the content region.
  *                                                                               Overridden by persistent user setting if 'contentUserSetting' is true.
  * @param {string}                          [attributes.menu=default]            Initial mode for the menu region.
  * @param {string}                          [attributes.router=browse]           Initial mode for the router region.
  * @param {string}                          [attributes.toolbar=select]          Initial mode for the toolbar region.
  * @param {boolean}                         [attributes.searchable=true]         Whether the library is searchable.
  * @param {boolean|string}                  [attributes.filterable=false]        Whether the library is filterable, and if so what filters should be shown.
  *                                                                               Accepts 'all', 'uploaded', or 'unattached'.
  * @param {boolean}                         [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
  * @param {boolean}                         [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
  * @param {boolean}                         [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
  * @param {boolean}                         [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
  * @param {boolean}                         [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
  */
 Library = wp.media.controller.State.extend(/** @lends wp.media.controller.Library.prototype */{
 	defaults: {
 		id:                 'library',
 		title:              l10n.mediaLibraryTitle,
 		multiple:           false,
 		content:            'upload',
 		menu:               'default',
 		router:             'browse',
 		toolbar:            'select',
 		searchable:         true,
 		filterable:         false,
 		sortable:           true,
 		autoSelect:         true,
 		describe:           false,
 		contentUserSetting: true,
 		syncSelection:      true
 	},
 
 	/**
 	 * If a library isn't provided, query all media items.
 	 * If a selection instance isn't provided, create one.
 	 *
 	 * @since 3.5.0
 	 */
 	initialize: function() {
 		var selection = this.get('selection'),
 			props;
 
 		if ( ! this.get('library') ) {
 			this.set( 'library', wp.media.query() );
 		}
 
 		if ( ! ( selection instanceof wp.media.model.Selection ) ) {
 			props = selection;
 
 			if ( ! props ) {
 				props = this.get('library').props.toJSON();
 				props = _.omit( props, 'orderby', 'query' );
 			}
 
 			this.set( 'selection', new wp.media.model.Selection( null, {
 				multiple: this.get('multiple'),
 				props: props
 			}) );
 		}
 
 		this.resetDisplays();
 	},
 
 	/**
 	 * @since 3.5.0
 	 */
 	activate: function() {
 		this.syncSelection();
 
 		wp.Uploader.queue.on( 'add', this.uploading, this );
 
 		this.get('selection').on( 'add remove reset', this.refreshContent, this );
 
 		if ( this.get( 'router' ) && this.get('contentUserSetting') ) {
 			this.frame.on( 'content:activate', this.saveContentMode, this );
 			this.set( 'content', getUserSetting( 'libraryContent', this.get('content') ) );
 		}
 	},
 
 	/**
 	 * @since 3.5.0
 	 */
 	deactivate: function() {
 		this.recordSelection();
 
 		this.frame.off( 'content:activate', this.saveContentMode, this );
 
 		// Unbind all event handlers that use this state as the context
 		// from the selection.
 		this.get('selection').off( null, null, this );
 
 		wp.Uploader.queue.off( null, null, this );
 	},
 
 	/**
 	 * Reset the library to its initial state.
 	 *
 	 * @since 3.5.0
 	 */
 	reset: function() {
 		this.get('selection').reset();
 		this.resetDisplays();
 		this.refreshContent();
 	},
 
 	/**
 	 * Reset the attachment display settings defaults to the site options.
 	 *
 	 * If site options don't define them, fall back to a persistent user setting.
 	 *
 	 * @since 3.5.0
 	 */
 	resetDisplays: function() {
 		var defaultProps = wp.media.view.settings.defaultProps;
 		this._displays = [];
 		this._defaultDisplaySettings = {
 			align: getUserSetting( 'align', defaultProps.align ) || 'none',
 			size:  getUserSetting( 'imgsize', defaultProps.size ) || 'medium',
 			link:  getUserSetting( 'urlbutton', defaultProps.link ) || 'none'
 		};
 	},
 
 	/**
 	 * Create a model to represent display settings (alignment, etc.) for an attachment.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {wp.media.model.Attachment} attachment
 	 * @return {Backbone.Model}
 	 */
 	display: function( attachment ) {
 		var displays = this._displays;
 
 		if ( ! displays[ attachment.cid ] ) {
 			displays[ attachment.cid ] = new Backbone.Model( this.defaultDisplaySettings( attachment ) );
 		}
 		return displays[ attachment.cid ];
 	},
 
 	/**
 	 * Given an attachment, create attachment display settings properties.
 	 *
 	 * @since 3.6.0
 	 *
 	 * @param {wp.media.model.Attachment} attachment
 	 * @return {Object}
 	 */
 	defaultDisplaySettings: function( attachment ) {
 		var settings = _.clone( this._defaultDisplaySettings );
 
 		settings.canEmbed = this.canEmbed( attachment );
 		if ( settings.canEmbed ) {
 			settings.link = 'embed';
 		} else if ( ! this.isImageAttachment( attachment ) && settings.link === 'none' ) {
 			settings.link = 'file';
 		}
 
 		return settings;
 	},
 
 	/**
 	 * Whether an attachment is image.
 	 *
 	 * @since 4.4.1
 	 *
 	 * @param {wp.media.model.Attachment} attachment
 	 * @return {boolean}
 	 */
 	isImageAttachment: function( attachment ) {
 		// If uploading, we know the filename but not the mime type.
 		if ( attachment.get('uploading') ) {
 			return /\.(jpe?g|png|gif)$/i.test( attachment.get('filename') );
 		}
 
 		return attachment.get('type') === 'image';
 	},
 
 	/**
 	 * Whether an attachment can be embedded (audio or video).
 	 *
 	 * @since 3.6.0
 	 *
 	 * @param {wp.media.model.Attachment} attachment
 	 * @return {boolean}
 	 */
 	canEmbed: function( attachment ) {
 		// If uploading, we know the filename but not the mime type.
 		if ( ! attachment.get('uploading') ) {
 			var type = attachment.get('type');
 			if ( type !== 'audio' && type !== 'video' ) {
 				return false;
 			}
 		}
 
 		return _.contains( wp.media.view.settings.embedExts, attachment.get('filename').split('.').pop() );
 	},
 
 
 	/**
 	 * If the state is active, no items are selected, and the current
 	 * content mode is not an option in the state's router (provided
 	 * the state has a router), reset the content mode to the default.
 	 *
 	 * @since 3.5.0
 	 */
 	refreshContent: function() {
 		var selection = this.get('selection'),
 			frame = this.frame,
 			router = frame.router.get(),
 			mode = frame.content.mode();
 
 		if ( this.active && ! selection.length && router && ! router.get( mode ) ) {
 			this.frame.content.render( this.get('content') );
 		}
 	},
 
 	/**
 	 * Callback handler when an attachment is uploaded.
 	 *
 	 * Switch to the Media Library if uploaded from the 'Upload Files' tab.
 	 *
 	 * Adds any uploading attachments to the selection.
 	 *
 	 * If the state only supports one attachment to be selected and multiple
 	 * attachments are uploaded, the last attachment in the upload queue will
 	 * be selected.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {wp.media.model.Attachment} attachment
 	 */
 	uploading: function( attachment ) {
 		var content = this.frame.content;
 
 		if ( 'upload' === content.mode() ) {
 			this.frame.content.mode('browse');
 		}
 
 		if ( this.get( 'autoSelect' ) ) {
 			this.get('selection').add( attachment );
 			this.frame.trigger( 'library:selection:add' );
 		}
 	},
 
 	/**
 	 * Persist the mode of the content region as a user setting.
 	 *
 	 * @since 3.5.0
 	 */
 	saveContentMode: function() {
 		if ( 'browse' !== this.get('router') ) {
 			return;
 		}
 
 		var mode = this.frame.content.mode(),
 			view = this.frame.router.get();
 
 		if ( view && view.get( mode ) ) {
 			setUserSetting( 'libraryContent', mode );
 		}
 	}
 
 });
 
 // Make selectionSync available on any Media Library state.
 _.extend( Library.prototype, wp.media.selectionSync );
 
 module.exports = Library;
 
 
 /***/ }),
 
 /***/ "GXJ6":
 /***/ (function(module, exports) {
 
 var AttachmentDisplay = wp.media.view.Settings.AttachmentDisplay,
 	$ = jQuery,
 	ImageDetails;
 
 /**
  * wp.media.view.ImageDetails
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.Settings.AttachmentDisplay
  * @augments wp.media.view.Settings
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 ImageDetails = AttachmentDisplay.extend(/** @lends wp.media.view.ImageDetails.prototype */{
 	className: 'image-details',
 	template:  wp.template('image-details'),
 	events: _.defaults( AttachmentDisplay.prototype.events, {
 		'click .edit-attachment': 'editAttachment',
 		'click .replace-attachment': 'replaceAttachment',
 		'click .advanced-toggle': 'onToggleAdvanced',
 		'change [data-setting="customWidth"]': 'onCustomSize',
 		'change [data-setting="customHeight"]': 'onCustomSize',
 		'keyup [data-setting="customWidth"]': 'onCustomSize',
 		'keyup [data-setting="customHeight"]': 'onCustomSize'
 	} ),
 	initialize: function() {
 		// Used in AttachmentDisplay.prototype.updateLinkTo.
 		this.options.attachment = this.model.attachment;
 		this.listenTo( this.model, 'change:url', this.updateUrl );
 		this.listenTo( this.model, 'change:link', this.toggleLinkSettings );
 		this.listenTo( this.model, 'change:size', this.toggleCustomSize );
 
 		AttachmentDisplay.prototype.initialize.apply( this, arguments );
 	},
 
 	prepare: function() {
 		var attachment = false;
 
 		if ( this.model.attachment ) {
 			attachment = this.model.attachment.toJSON();
 		}
 		return _.defaults({
 			model: this.model.toJSON(),
 			attachment: attachment
 		}, this.options );
 	},
 
 	render: function() {
 		var args = arguments;
 
 		if ( this.model.attachment && 'pending' === this.model.dfd.state() ) {
 			this.model.dfd
 				.done( _.bind( function() {
 					AttachmentDisplay.prototype.render.apply( this, args );
 					this.postRender();
 				}, this ) )
 				.fail( _.bind( function() {
 					this.model.attachment = false;
 					AttachmentDisplay.prototype.render.apply( this, args );
 					this.postRender();
 				}, this ) );
 		} else {
 			AttachmentDisplay.prototype.render.apply( this, arguments );
 			this.postRender();
 		}
 
 		return this;
 	},
 
 	postRender: function() {
 		setTimeout( _.bind( this.scrollToTop, this ), 10 );
 		this.toggleLinkSettings();
 		if ( window.getUserSetting( 'advImgDetails' ) === 'show' ) {
 			this.toggleAdvanced( true );
 		}
 		this.trigger( 'post-render' );
 	},
 
 	scrollToTop: function() {
 		this.$( '.embed-media-settings' ).scrollTop( 0 );
 	},
 
 	updateUrl: function() {
 		this.$( '.image img' ).attr( 'src', this.model.get( 'url' ) );
 		this.$( '.url' ).val( this.model.get( 'url' ) );
 	},
 
 	toggleLinkSettings: function() {
 		if ( this.model.get( 'link' ) === 'none' ) {
 			this.$( '.link-settings' ).addClass('hidden');
 		} else {
 			this.$( '.link-settings' ).removeClass('hidden');
 		}
 	},
 
 	toggleCustomSize: function() {
 		if ( this.model.get( 'size' ) !== 'custom' ) {
 			this.$( '.custom-size' ).addClass('hidden');
 		} else {
 			this.$( '.custom-size' ).removeClass('hidden');
 		}
 	},
 
 	onCustomSize: function( event ) {
 		var dimension = $( event.target ).data('setting'),
 			num = $( event.target ).val(),
 			value;
 
 		// Ignore bogus input.
 		if ( ! /^\d+/.test( num ) || parseInt( num, 10 ) < 1 ) {
 			event.preventDefault();
 			return;
 		}
 
 		if ( dimension === 'customWidth' ) {
 			value = Math.round( 1 / this.model.get( 'aspectRatio' ) * num );
 			this.model.set( 'customHeight', value, { silent: true } );
 			this.$( '[data-setting="customHeight"]' ).val( value );
 		} else {
 			value = Math.round( this.model.get( 'aspectRatio' ) * num );
 			this.model.set( 'customWidth', value, { silent: true  } );
 			this.$( '[data-setting="customWidth"]' ).val( value );
 		}
 	},
 
 	onToggleAdvanced: function( event ) {
 		event.preventDefault();
 		this.toggleAdvanced();
 	},
 
 	toggleAdvanced: function( show ) {
 		var $advanced = this.$el.find( '.advanced-section' ),
 			mode;
 
 		if ( $advanced.hasClass('advanced-visible') || show === false ) {
 			$advanced.removeClass('advanced-visible');
 			$advanced.find('.advanced-settings').addClass('hidden');
 			mode = 'hide';
 		} else {
 			$advanced.addClass('advanced-visible');
 			$advanced.find('.advanced-settings').removeClass('hidden');
 			mode = 'show';
 		}
 
 		window.setUserSetting( 'advImgDetails', mode );
 	},
 
 	editAttachment: function( event ) {
 		var editState = this.controller.states.get( 'edit-image' );
 
 		if ( window.imageEdit && editState ) {
 			event.preventDefault();
 			editState.set( 'image', this.model.attachment );
 			this.controller.setState( 'edit-image' );
 		}
 	},
 
 	replaceAttachment: function( event ) {
 		event.preventDefault();
 		this.controller.setState( 'replace-image' );
 	}
 });
 
 module.exports = ImageDetails;
 
 
 /***/ }),
 
 /***/ "GXkx":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	l10n = wp.media.view.l10n,
 	$ = jQuery,
 	EditorUploader;
 
 /**
  * Creates a dropzone on WP editor instances (elements with .wp-editor-wrap)
  * and relays drag'n'dropped files to a media workflow.
  *
  * wp.media.view.EditorUploader
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 EditorUploader = View.extend(/** @lends wp.media.view.EditorUploader.prototype */{
 	tagName:   'div',
 	className: 'uploader-editor',
 	template:  wp.template( 'uploader-editor' ),
 
 	localDrag: false,
 	overContainer: false,
 	overDropzone: false,
 	draggingFile: null,
 
 	/**
 	 * Bind drag'n'drop events to callbacks.
 	 */
 	initialize: function() {
 		this.initialized = false;
 
 		// Bail if not enabled or UA does not support drag'n'drop or File API.
 		if ( ! window.tinyMCEPreInit || ! window.tinyMCEPreInit.dragDropUpload || ! this.browserSupport() ) {
 			return this;
 		}
 
 		this.$document = $(document);
 		this.dropzones = [];
 		this.files = [];
 
 		this.$document.on( 'drop', '.uploader-editor', _.bind( this.drop, this ) );
 		this.$document.on( 'dragover', '.uploader-editor', _.bind( this.dropzoneDragover, this ) );
 		this.$document.on( 'dragleave', '.uploader-editor', _.bind( this.dropzoneDragleave, this ) );
 		this.$document.on( 'click', '.uploader-editor', _.bind( this.click, this ) );
 
 		this.$document.on( 'dragover', _.bind( this.containerDragover, this ) );
 		this.$document.on( 'dragleave', _.bind( this.containerDragleave, this ) );
 
 		this.$document.on( 'dragstart dragend drop', _.bind( function( event ) {
 			this.localDrag = event.type === 'dragstart';
 
 			if ( event.type === 'drop' ) {
 				this.containerDragleave();
 			}
 		}, this ) );
 
 		this.initialized = true;
 		return this;
 	},
 
 	/**
 	 * Check browser support for drag'n'drop.
 	 *
 	 * @return {boolean}
 	 */
 	browserSupport: function() {
 		var supports = false, div = document.createElement('div');
 
 		supports = ( 'draggable' in div ) || ( 'ondragstart' in div && 'ondrop' in div );
 		supports = supports && !! ( window.File && window.FileList && window.FileReader );
 		return supports;
 	},
 
 	isDraggingFile: function( event ) {
 		if ( this.draggingFile !== null ) {
 			return this.draggingFile;
 		}
 
 		if ( _.isUndefined( event.originalEvent ) || _.isUndefined( event.originalEvent.dataTransfer ) ) {
 			return false;
 		}
 
 		this.draggingFile = _.indexOf( event.originalEvent.dataTransfer.types, 'Files' ) > -1 &&
 			_.indexOf( event.originalEvent.dataTransfer.types, 'text/plain' ) === -1;
 
 		return this.draggingFile;
 	},
 
 	refresh: function( e ) {
 		var dropzone_id;
 		for ( dropzone_id in this.dropzones ) {
 			// Hide the dropzones only if dragging has left the screen.
 			this.dropzones[ dropzone_id ].toggle( this.overContainer || this.overDropzone );
 		}
 
 		if ( ! _.isUndefined( e ) ) {
 			$( e.target ).closest( '.uploader-editor' ).toggleClass( 'droppable', this.overDropzone );
 		}
 
 		if ( ! this.overContainer && ! this.overDropzone ) {
 			this.draggingFile = null;
 		}
 
 		return this;
 	},
 
 	render: function() {
 		if ( ! this.initialized ) {
 			return this;
 		}
 
 		View.prototype.render.apply( this, arguments );
 		$( '.wp-editor-wrap' ).each( _.bind( this.attach, this ) );
 		return this;
 	},
 
 	attach: function( index, editor ) {
 		// Attach a dropzone to an editor.
 		var dropzone = this.$el.clone();
 		this.dropzones.push( dropzone );
 		$( editor ).append( dropzone );
 		return this;
 	},
 
 	/**
 	 * When a file is dropped on the editor uploader, open up an editor media workflow
 	 * and upload the file immediately.
 	 *
 	 * @param {jQuery.Event} event The 'drop' event.
 	 */
 	drop: function( event ) {
 		var $wrap, uploadView;
 
 		this.containerDragleave( event );
 		this.dropzoneDragleave( event );
 
 		this.files = event.originalEvent.dataTransfer.files;
 		if ( this.files.length < 1 ) {
 			return;
 		}
 
 		// Set the active editor to the drop target.
 		$wrap = $( event.target ).parents( '.wp-editor-wrap' );
 		if ( $wrap.length > 0 && $wrap[0].id ) {
 			window.wpActiveEditor = $wrap[0].id.slice( 3, -5 );
 		}
 
 		if ( ! this.workflow ) {
 			this.workflow = wp.media.editor.open( window.wpActiveEditor, {
 				frame:    'post',
 				state:    'insert',
 				title:    l10n.addMedia,
 				multiple: true
 			});
 
 			uploadView = this.workflow.uploader;
 
 			if ( uploadView.uploader && uploadView.uploader.ready ) {
 				this.addFiles.apply( this );
 			} else {
 				this.workflow.on( 'uploader:ready', this.addFiles, this );
 			}
 		} else {
 			this.workflow.state().reset();
 			this.addFiles.apply( this );
 			this.workflow.open();
 		}
 
 		return false;
 	},
 
 	/**
 	 * Add the files to the uploader.
 	 */
 	addFiles: function() {
 		if ( this.files.length ) {
 			this.workflow.uploader.uploader.uploader.addFile( _.toArray( this.files ) );
 			this.files = [];
 		}
 		return this;
 	},
 
 	containerDragover: function( event ) {
 		if ( this.localDrag || ! this.isDraggingFile( event ) ) {
 			return;
 		}
 
 		this.overContainer = true;
 		this.refresh();
 	},
 
 	containerDragleave: function() {
 		this.overContainer = false;
 
 		// Throttle dragleave because it's called when bouncing from some elements to others.
 		_.delay( _.bind( this.refresh, this ), 50 );
 	},
 
 	dropzoneDragover: function( event ) {
 		if ( this.localDrag || ! this.isDraggingFile( event ) ) {
 			return;
 		}
 
 		this.overDropzone = true;
 		this.refresh( event );
 		return false;
 	},
 
 	dropzoneDragleave: function( e ) {
 		this.overDropzone = false;
 		_.delay( _.bind( this.refresh, this, e ), 50 );
 	},
 
 	click: function( e ) {
 		// In the rare case where the dropzone gets stuck, hide it on click.
 		this.containerDragleave( e );
 		this.dropzoneDragleave( e );
 		this.localDrag = false;
 	}
 });
 
 module.exports = EditorUploader;
 
 
 /***/ }),
 
 /***/ "I7TD":
 /***/ (function(module, exports) {
 
 var Attachment = wp.media.model.Attachment,
 	Library = wp.media.controller.Library,
 	l10n = wp.media.view.l10n,
 	FeaturedImage;
 
 /**
  * wp.media.controller.FeaturedImage
  *
  * A state for selecting a featured image for a post.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.Library
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @param {object}                     [attributes]                          The attributes hash passed to the state.
  * @param {string}                     [attributes.id=featured-image]        Unique identifier.
  * @param {string}                     [attributes.title=Set Featured Image] Title for the state. Displays in the media menu and the frame's title region.
  * @param {wp.media.model.Attachments} [attributes.library]                  The attachments collection to browse.
  *                                                                           If one is not supplied, a collection of all images will be created.
  * @param {boolean}                    [attributes.multiple=false]           Whether multi-select is enabled.
  * @param {string}                     [attributes.content=upload]           Initial mode for the content region.
  *                                                                           Overridden by persistent user setting if 'contentUserSetting' is true.
  * @param {string}                     [attributes.menu=default]             Initial mode for the menu region.
  * @param {string}                     [attributes.router=browse]            Initial mode for the router region.
  * @param {string}                     [attributes.toolbar=featured-image]   Initial mode for the toolbar region.
  * @param {int}                        [attributes.priority=60]              The priority for the state link in the media menu.
  * @param {boolean}                    [attributes.searchable=true]          Whether the library is searchable.
  * @param {boolean|string}             [attributes.filterable=false]         Whether the library is filterable, and if so what filters should be shown.
  *                                                                           Accepts 'all', 'uploaded', or 'unattached'.
  * @param {boolean}                    [attributes.sortable=true]            Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
  * @param {boolean}                    [attributes.autoSelect=true]          Whether an uploaded attachment should be automatically added to the selection.
  * @param {boolean}                    [attributes.describe=false]           Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
  * @param {boolean}                    [attributes.contentUserSetting=true]  Whether the content region's mode should be set and persisted per user.
  * @param {boolean}                    [attributes.syncSelection=true]       Whether the Attachments selection should be persisted from the last state.
  */
 FeaturedImage = Library.extend(/** @lends wp.media.controller.FeaturedImage.prototype */{
 	defaults: _.defaults({
 		id:            'featured-image',
 		title:         l10n.setFeaturedImageTitle,
 		multiple:      false,
 		filterable:    'uploaded',
 		toolbar:       'featured-image',
 		priority:      60,
 		syncSelection: true
 	}, Library.prototype.defaults ),
 
 	/**
 	 * @since 3.5.0
 	 */
 	initialize: function() {
 		var library, comparator;
 
 		// If we haven't been provided a `library`, create a `Selection`.
 		if ( ! this.get('library') ) {
 			this.set( 'library', wp.media.query({ type: 'image' }) );
 		}
 
 		Library.prototype.initialize.apply( this, arguments );
 
 		library    = this.get('library');
 		comparator = library.comparator;
 
 		// Overload the library's comparator to push items that are not in
 		// the mirrored query to the front of the aggregate collection.
 		library.comparator = function( a, b ) {
 			var aInQuery = !! this.mirroring.get( a.cid ),
 				bInQuery = !! this.mirroring.get( b.cid );
 
 			if ( ! aInQuery && bInQuery ) {
 				return -1;
 			} else if ( aInQuery && ! bInQuery ) {
 				return 1;
 			} else {
 				return comparator.apply( this, arguments );
 			}
 		};
 
 		// Add all items in the selection to the library, so any featured
 		// images that are not initially loaded still appear.
 		library.observe( this.get('selection') );
 	},
 
 	/**
 	 * @since 3.5.0
 	 */
 	activate: function() {
 		this.updateSelection();
 		this.frame.on( 'open', this.updateSelection, this );
 
 		Library.prototype.activate.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.5.0
 	 */
 	deactivate: function() {
 		this.frame.off( 'open', this.updateSelection, this );
 
 		Library.prototype.deactivate.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.5.0
 	 */
 	updateSelection: function() {
 		var selection = this.get('selection'),
 			id = wp.media.view.settings.post.featuredImageId,
 			attachment;
 
 		if ( '' !== id && -1 !== id ) {
 			attachment = Attachment.get( id );
 			attachment.fetch();
 		}
 
 		selection.reset( attachment ? [ attachment ] : [] );
 	}
 });
 
 module.exports = FeaturedImage;
 
 
 /***/ }),
 
 /***/ "IgEq":
 /***/ (function(module, exports) {
 
 var Toolbar = wp.media.view.Toolbar,
 	l10n = wp.media.view.l10n,
 	Select;
 
 /**
  * wp.media.view.Toolbar.Select
  *
  * @memberOf wp.media.view.Toolbar
  *
  * @class
  * @augments wp.media.view.Toolbar
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Select = Toolbar.extend(/** @lends wp.media.view.Toolbar.Select.prototype */{
 	initialize: function() {
 		var options = this.options;
 
 		_.bindAll( this, 'clickSelect' );
 
 		_.defaults( options, {
 			event: 'select',
 			state: false,
 			reset: true,
 			close: true,
 			text:  l10n.select,
 
 			// Does the button rely on the selection?
 			requires: {
 				selection: true
 			}
 		});
 
 		options.items = _.defaults( options.items || {}, {
 			select: {
 				style:    'primary',
 				text:     options.text,
 				priority: 80,
 				click:    this.clickSelect,
 				requires: options.requires
 			}
 		});
 		// Call 'initialize' directly on the parent class.
 		Toolbar.prototype.initialize.apply( this, arguments );
 	},
 
 	clickSelect: function() {
 		var options = this.options,
 			controller = this.controller;
 
 		if ( options.close ) {
 			controller.close();
 		}
 
 		if ( options.event ) {
 			controller.state().trigger( options.event );
 		}
 
 		if ( options.state ) {
 			controller.setState( options.state );
 		}
 
 		if ( options.reset ) {
 			controller.reset();
 		}
 	}
 });
 
 module.exports = Select;
 
 
 /***/ }),
 
 /***/ "IkWq":
 /***/ (function(module, exports) {
 
 var State = wp.media.controller.State,
 	Library = wp.media.controller.Library,
 	l10n = wp.media.view.l10n,
 	ImageDetails;
 
 /**
  * wp.media.controller.ImageDetails
  *
  * A state for editing the attachment display settings of an image that's been
  * inserted into the editor.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @param {object}                    [attributes]                       The attributes hash passed to the state.
  * @param {string}                    [attributes.id=image-details]      Unique identifier.
  * @param {string}                    [attributes.title=Image Details]   Title for the state. Displays in the frame's title region.
  * @param {wp.media.model.Attachment} attributes.image                   The image's model.
  * @param {string|false}              [attributes.content=image-details] Initial mode for the content region.
  * @param {string|false}              [attributes.menu=false]            Initial mode for the menu region.
  * @param {string|false}              [attributes.router=false]          Initial mode for the router region.
  * @param {string|false}              [attributes.toolbar=image-details] Initial mode for the toolbar region.
  * @param {boolean}                   [attributes.editing=false]         Unused.
  * @param {int}                       [attributes.priority=60]           Unused.
  *
  * @todo This state inherits some defaults from media.controller.Library.prototype.defaults,
  *       however this may not do anything.
  */
 ImageDetails = State.extend(/** @lends wp.media.controller.ImageDetails.prototype */{
 	defaults: _.defaults({
 		id:       'image-details',
 		title:    l10n.imageDetailsTitle,
 		content:  'image-details',
 		menu:     false,
 		router:   false,
 		toolbar:  'image-details',
 		editing:  false,
 		priority: 60
 	}, Library.prototype.defaults ),
 
 	/**
 	 * @since 3.9.0
 	 *
 	 * @param options Attributes
 	 */
 	initialize: function( options ) {
 		this.image = options.image;
 		State.prototype.initialize.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	activate: function() {
 		this.frame.modal.$el.addClass('image-details');
 	}
 });
 
 module.exports = ImageDetails;
 
 
 /***/ }),
 
 /***/ "JecU":
 /***/ (function(module, exports) {
 
 var $ = jQuery,
 	EmbedLink;
 
 /**
  * wp.media.view.EmbedLink
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.Settings
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 EmbedLink = wp.media.view.Settings.extend(/** @lends wp.media.view.EmbedLink.prototype */{
 	className: 'embed-link-settings',
 	template:  wp.template('embed-link-settings'),
 
 	initialize: function() {
 		this.listenTo( this.model, 'change:url', this.updateoEmbed );
 	},
 
 	updateoEmbed: _.debounce( function() {
 		var url = this.model.get( 'url' );
 
 		// Clear out previous results.
 		this.$('.embed-container').hide().find('.embed-preview').empty();
 		this.$( '.setting' ).hide();
 
 		// Only proceed with embed if the field contains more than 11 characters.
 		// Example: http://a.io is 11 chars
 		if ( url && ( url.length < 11 || ! url.match(/^http(s)?:\/\//) ) ) {
 			return;
 		}
 
 		this.fetch();
 	}, wp.media.controller.Embed.sensitivity ),
 
 	fetch: function() {
 		var url = this.model.get( 'url' ), re, youTubeEmbedMatch;
 
 		// Check if they haven't typed in 500 ms.
 		if ( $('#embed-url-field').val() !== url ) {
 			return;
 		}
 
 		if ( this.dfd && 'pending' === this.dfd.state() ) {
 			this.dfd.abort();
 		}
 
 		// Support YouTube embed urls, since they work once in the editor.
 		re = /https?:\/\/www\.youtube\.com\/embed\/([^/]+)/;
 		youTubeEmbedMatch = re.exec( url );
 		if ( youTubeEmbedMatch ) {
 			url = 'https://www.youtube.com/watch?v=' + youTubeEmbedMatch[ 1 ];
 		}
 
 		this.dfd = wp.apiRequest({
 			url: wp.media.view.settings.oEmbedProxyUrl,
 			data: {
 				url: url,
 				maxwidth: this.model.get( 'width' ),
 				maxheight: this.model.get( 'height' )
 			},
 			type: 'GET',
 			dataType: 'json',
 			context: this
 		})
 			.done( function( response ) {
 				this.renderoEmbed( {
 					data: {
 						body: response.html || ''
 					}
 				} );
 			} )
 			.fail( this.renderFail );
 	},
 
 	renderFail: function ( response, status ) {
 		if ( 'abort' === status ) {
 			return;
 		}
 		this.$( '.link-text' ).show();
 	},
 
 	renderoEmbed: function( response ) {
 		var html = ( response && response.data && response.data.body ) || '';
 
 		if ( html ) {
 			this.$('.embed-container').show().find('.embed-preview').html( html );
 		} else {
 			this.renderFail();
 		}
 	}
 });
 
 module.exports = EmbedLink;
 
 
 /***/ }),
 
 /***/ "Ju2C":
 /***/ (function(module, exports) {
 
 var MenuItem = wp.media.view.MenuItem,
 	PriorityList = wp.media.view.PriorityList,
 	Menu;
 
 /**
  * wp.media.view.Menu
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.PriorityList
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Menu = PriorityList.extend(/** @lends wp.media.view.Menu.prototype */{
 	tagName:   'div',
 	className: 'media-menu',
 	property:  'state',
 	ItemView:  MenuItem,
 	region:    'menu',
 
 	attributes: {
 		role:               'tablist',
 		'aria-orientation': 'horizontal'
 	},
 
 	initialize: function() {
 		this._views = {};
 
 		this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
 		delete this.options.views;
 
 		if ( ! this.options.silent ) {
 			this.render();
 		}
 
 		// Initialize the Focus Manager.
 		this.focusManager = new wp.media.view.FocusManager( {
 			el:   this.el,
 			mode: 'tabsNavigation'
 		} );
 
 		// The menu is always rendered and can be visible or hidden on some frames.
 		this.isVisible = true;
 	},
 
 	/**
 	 * @param {Object} options
 	 * @param {string} id
 	 * @return {wp.media.View}
 	 */
 	toView: function( options, id ) {
 		options = options || {};
 		options[ this.property ] = options[ this.property ] || id;
 		return new this.ItemView( options ).render();
 	},
 
 	ready: function() {
 		/**
 		 * call 'ready' directly on the parent class
 		 */
 		PriorityList.prototype.ready.apply( this, arguments );
 		this.visibility();
 
 		// Set up aria tabs initial attributes.
 		this.focusManager.setupAriaTabs();
 	},
 
 	set: function() {
 		/**
 		 * call 'set' directly on the parent class
 		 */
 		PriorityList.prototype.set.apply( this, arguments );
 		this.visibility();
 	},
 
 	unset: function() {
 		/**
 		 * call 'unset' directly on the parent class
 		 */
 		PriorityList.prototype.unset.apply( this, arguments );
 		this.visibility();
 	},
 
 	visibility: function() {
 		var region = this.region,
 			view = this.controller[ region ].get(),
 			views = this.views.get(),
 			hide = ! views || views.length < 2;
 
 		if ( this === view ) {
 			// Flag this menu as hidden or visible.
 			this.isVisible = ! hide;
 			// Set or remove a CSS class to hide the menu.
 			this.controller.$el.toggleClass( 'hide-' + region, hide );
 		}
 	},
 	/**
 	 * @param {string} id
 	 */
 	select: function( id ) {
 		var view = this.get( id );
 
 		if ( ! view ) {
 			return;
 		}
 
 		this.deselect();
 		view.$el.addClass('active');
 
 		// Set up again the aria tabs initial attributes after the menu updates.
 		this.focusManager.setupAriaTabs();
 	},
 
 	deselect: function() {
 		this.$el.children().removeClass('active');
 	},
 
 	hide: function( id ) {
 		var view = this.get( id );
 
 		if ( ! view ) {
 			return;
 		}
 
 		view.$el.addClass('hidden');
 	},
 
 	show: function( id ) {
 		var view = this.get( id );
 
 		if ( ! view ) {
 			return;
 		}
 
 		view.$el.removeClass('hidden');
 	}
 });
 
 module.exports = Menu;
 
 
 /***/ }),
 
 /***/ "KerO":
 /***/ (function(module, exports) {
 
 var l10n = wp.media.view.l10n,
 	All;
 
 /**
  * wp.media.view.AttachmentFilters.All
  *
  * @memberOf wp.media.view.AttachmentFilters
  *
  * @class
  * @augments wp.media.view.AttachmentFilters
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 All = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.All.prototype */{
 	createFilters: function() {
 		var filters = {},
 			uid = window.userSettings ? parseInt( window.userSettings.uid, 10 ) : 0;
 
 		_.each( wp.media.view.settings.mimeTypes || {}, function( text, key ) {
 			filters[ key ] = {
 				text: text,
 				props: {
 					status:  null,
 					type:    key,
 					uploadedTo: null,
 					orderby: 'date',
 					order:   'DESC',
 					author:  null
 				}
 			};
 		});
 
 		filters.all = {
 			text:  l10n.allMediaItems,
 			props: {
 				status:  null,
 				type:    null,
 				uploadedTo: null,
 				orderby: 'date',
 				order:   'DESC',
 				author:  null
 			},
 			priority: 10
 		};
 
 		if ( wp.media.view.settings.post.id ) {
 			filters.uploaded = {
 				text:  l10n.uploadedToThisPost,
 				props: {
 					status:  null,
 					type:    null,
 					uploadedTo: wp.media.view.settings.post.id,
 					orderby: 'menuOrder',
 					order:   'ASC',
 					author:  null
 				},
 				priority: 20
 			};
 		}
 
 		filters.unattached = {
 			text:  l10n.unattached,
 			props: {
 				status:     null,
 				uploadedTo: 0,
 				type:       null,
 				orderby:    'menuOrder',
 				order:      'ASC',
 				author:     null
 			},
 			priority: 50
 		};
 
 		if ( uid ) {
 			filters.mine = {
 				text:  l10n.mine,
 				props: {
 					status:		null,
 					type:		null,
 					uploadedTo:	null,
 					orderby:	'date',
 					order:		'DESC',
 					author:		uid
 				},
 				priority: 50
 			};
 		}
 
 		if ( wp.media.view.settings.mediaTrash &&
 			this.controller.isModeActive( 'grid' ) ) {
 
 			filters.trash = {
 				text:  l10n.trash,
 				props: {
 					uploadedTo: null,
 					status:     'trash',
 					type:       null,
 					orderby:    'date',
 					order:      'DESC',
 					author:     null
 				},
 				priority: 50
 			};
 		}
 
 		this.filters = filters;
 	}
 });
 
 module.exports = All;
 
 
 /***/ }),
 
 /***/ "LGdN":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Frame
  *
  * A frame is a composite view consisting of one or more regions and one or more
  * states.
  *
  * @memberOf wp.media.view
  *
  * @see wp.media.controller.State
  * @see wp.media.controller.Region
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  * @mixes wp.media.controller.StateMachine
  */
 var Frame = wp.media.View.extend(/** @lends wp.media.view.Frame.prototype */{
 	initialize: function() {
 		_.defaults( this.options, {
 			mode: [ 'select' ]
 		});
 		this._createRegions();
 		this._createStates();
 		this._createModes();
 	},
 
 	_createRegions: function() {
 		// Clone the regions array.
 		this.regions = this.regions ? this.regions.slice() : [];
 
 		// Initialize regions.
 		_.each( this.regions, function( region ) {
 			this[ region ] = new wp.media.controller.Region({
 				view:     this,
 				id:       region,
 				selector: '.media-frame-' + region
 			});
 		}, this );
 	},
 	/**
 	 * Create the frame's states.
 	 *
 	 * @see wp.media.controller.State
 	 * @see wp.media.controller.StateMachine
 	 *
 	 * @fires wp.media.controller.State#ready
 	 */
 	_createStates: function() {
 		// Create the default `states` collection.
 		this.states = new Backbone.Collection( null, {
 			model: wp.media.controller.State
 		});
 
 		// Ensure states have a reference to the frame.
 		this.states.on( 'add', function( model ) {
 			model.frame = this;
 			model.trigger('ready');
 		}, this );
 
 		if ( this.options.states ) {
 			this.states.add( this.options.states );
 		}
 	},
 
 	/**
 	 * A frame can be in a mode or multiple modes at one time.
 	 *
 	 * For example, the manage media frame can be in the `Bulk Select` or `Edit` mode.
 	 */
 	_createModes: function() {
 		// Store active "modes" that the frame is in. Unrelated to region modes.
 		this.activeModes = new Backbone.Collection();
 		this.activeModes.on( 'add remove reset', _.bind( this.triggerModeEvents, this ) );
 
 		_.each( this.options.mode, function( mode ) {
 			this.activateMode( mode );
 		}, this );
 	},
 	/**
 	 * Reset all states on the frame to their defaults.
 	 *
 	 * @return {wp.media.view.Frame} Returns itself to allow chaining.
 	 */
 	reset: function() {
 		this.states.invoke( 'trigger', 'reset' );
 		return this;
 	},
 	/**
 	 * Map activeMode collection events to the frame.
 	 */
 	triggerModeEvents: function( model, collection, options ) {
 		var collectionEvent,
 			modeEventMap = {
 				add: 'activate',
 				remove: 'deactivate'
 			},
 			eventToTrigger;
 		// Probably a better way to do this.
 		_.each( options, function( value, key ) {
 			if ( value ) {
 				collectionEvent = key;
 			}
 		} );
 
 		if ( ! _.has( modeEventMap, collectionEvent ) ) {
 			return;
 		}
 
 		eventToTrigger = model.get('id') + ':' + modeEventMap[collectionEvent];
 		this.trigger( eventToTrigger );
 	},
 	/**
 	 * Activate a mode on the frame.
 	 *
 	 * @param string mode Mode ID.
 	 * @return {this} Returns itself to allow chaining.
 	 */
 	activateMode: function( mode ) {
 		// Bail if the mode is already active.
 		if ( this.isModeActive( mode ) ) {
 			return;
 		}
 		this.activeModes.add( [ { id: mode } ] );
 		// Add a CSS class to the frame so elements can be styled for the mode.
 		this.$el.addClass( 'mode-' + mode );
 
 		return this;
 	},
 	/**
 	 * Deactivate a mode on the frame.
 	 *
 	 * @param string mode Mode ID.
 	 * @return {this} Returns itself to allow chaining.
 	 */
 	deactivateMode: function( mode ) {
 		// Bail if the mode isn't active.
 		if ( ! this.isModeActive( mode ) ) {
 			return this;
 		}
 		this.activeModes.remove( this.activeModes.where( { id: mode } ) );
 		this.$el.removeClass( 'mode-' + mode );
 		/**
 		 * Frame mode deactivation event.
 		 *
 		 * @event wp.media.view.Frame#{mode}:deactivate
 		 */
 		this.trigger( mode + ':deactivate' );
 
 		return this;
 	},
 	/**
 	 * Check if a mode is enabled on the frame.
 	 *
 	 * @param string mode Mode ID.
 	 * @return bool
 	 */
 	isModeActive: function( mode ) {
 		return Boolean( this.activeModes.where( { id: mode } ).length );
 	}
 });
 
 // Make the `Frame` a `StateMachine`.
 _.extend( Frame.prototype, wp.media.controller.StateMachine.prototype );
 
 module.exports = Frame;
 
 
 /***/ }),
 
 /***/ "LND6":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	AttachmentCompat;
 
 /**
  * wp.media.view.AttachmentCompat
  *
  * A view to display fields added via the `attachment_fields_to_edit` filter.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 AttachmentCompat = View.extend(/** @lends wp.media.view.AttachmentCompat.prototype */{
 	tagName:   'form',
 	className: 'compat-item',
 
 	events: {
 		'submit':          'preventDefault',
 		'change input':    'save',
 		'change select':   'save',
 		'change textarea': 'save'
 	},
 
 	initialize: function() {
 		this.listenTo( this.model, 'change:compat', this.render );
 	},
 	/**
 	 * @return {wp.media.view.AttachmentCompat} Returns itself to allow chaining.
 	 */
 	dispose: function() {
 		if ( this.$(':focus').length ) {
 			this.save();
 		}
 		/**
 		 * call 'dispose' directly on the parent class
 		 */
 		return View.prototype.dispose.apply( this, arguments );
 	},
 	/**
 	 * @return {wp.media.view.AttachmentCompat} Returns itself to allow chaining.
 	 */
 	render: function() {
 		var compat = this.model.get('compat');
 		if ( ! compat || ! compat.item ) {
 			return;
 		}
 
 		this.views.detach();
 		this.$el.html( compat.item );
 		this.views.render();
 		return this;
 	},
 	/**
 	 * @param {Object} event
 	 */
 	preventDefault: function( event ) {
 		event.preventDefault();
 	},
 	/**
 	 * @param {Object} event
 	 */
 	save: function( event ) {
 		var data = {};
 
 		if ( event ) {
 			event.preventDefault();
 		}
 
 		_.each( this.$el.serializeArray(), function( pair ) {
 			data[ pair.name ] = pair.value;
 		});
 
 		this.controller.trigger( 'attachment:compat:waiting', ['waiting'] );
 		this.model.saveCompat( data ).always( _.bind( this.postSave, this ) );
 	},
 
 	postSave: function() {
 		this.controller.trigger( 'attachment:compat:ready', ['ready'] );
 	}
 });
 
 module.exports = AttachmentCompat;
 
 
 /***/ }),
 
 /***/ "LZpE":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Button
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Button = wp.media.View.extend(/** @lends wp.media.view.Button.prototype */{
 	tagName:    'button',
 	className:  'media-button',
 	attributes: { type: 'button' },
 
 	events: {
 		'click': 'click'
 	},
 
 	defaults: {
 		text:     '',
 		style:    '',
 		size:     'large',
 		disabled: false
 	},
 
 	initialize: function() {
 		/**
 		 * Create a model with the provided `defaults`.
 		 *
 		 * @member {Backbone.Model}
 		 */
 		this.model = new Backbone.Model( this.defaults );
 
 		// If any of the `options` have a key from `defaults`, apply its
 		// value to the `model` and remove it from the `options object.
 		_.each( this.defaults, function( def, key ) {
 			var value = this.options[ key ];
 			if ( _.isUndefined( value ) ) {
 				return;
 			}
 
 			this.model.set( key, value );
 			delete this.options[ key ];
 		}, this );
 
 		this.listenTo( this.model, 'change', this.render );
 	},
 	/**
 	 * @return {wp.media.view.Button} Returns itself to allow chaining.
 	 */
 	render: function() {
 		var classes = [ 'button', this.className ],
 			model = this.model.toJSON();
 
 		if ( model.style ) {
 			classes.push( 'button-' + model.style );
 		}
 
 		if ( model.size ) {
 			classes.push( 'button-' + model.size );
 		}
 
 		classes = _.uniq( classes.concat( this.options.classes ) );
 		this.el.className = classes.join(' ');
 
 		this.$el.attr( 'disabled', model.disabled );
 		this.$el.text( this.model.get('text') );
 
 		return this;
 	},
 	/**
 	 * @param {Object} event
 	 */
 	click: function( event ) {
 		if ( '#' === this.attributes.href ) {
 			event.preventDefault();
 		}
 
 		if ( this.options.click && ! this.model.get('disabled') ) {
 			this.options.click.apply( this, arguments );
 		}
 	}
 });
 
 module.exports = Button;
 
 
 /***/ }),
 
 /***/ "M+xU":
 /***/ (function(module, exports) {
 
 var l10n = wp.media.view.l10n,
 	Cropper;
 
 /**
  * wp.media.controller.Cropper
  *
  * A class for cropping an image when called from the header media customization panel.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  */
 Cropper = wp.media.controller.State.extend(/** @lends wp.media.controller.Cropper.prototype */{
 	defaults: {
 		id:          'cropper',
 		title:       l10n.cropImage,
 		// Region mode defaults.
 		toolbar:     'crop',
 		content:     'crop',
 		router:      false,
 		canSkipCrop: false,
 
 		// Default doCrop Ajax arguments to allow the Customizer (for example) to inject state.
 		doCropArgs: {}
 	},
 
 	/**
 	 * Shows the crop image window when called from the Add new image button.
 	 *
 	 * @since 4.2.0
 	 *
 	 * @return {void}
 	 */
 	activate: function() {
 		this.frame.on( 'content:create:crop', this.createCropContent, this );
 		this.frame.on( 'close', this.removeCropper, this );
 		this.set('selection', new Backbone.Collection(this.frame._selection.single));
 	},
 
 	/**
 	 * Changes the state of the toolbar window to browse mode.
 	 *
 	 * @since 4.2.0
 	 *
 	 * @return {void}
 	 */
 	deactivate: function() {
 		this.frame.toolbar.mode('browse');
 	},
 
 	/**
 	 * Creates the crop image window.
 	 *
 	 * Initialized when clicking on the Select and Crop button.
 	 *
 	 * @since 4.2.0
 	 *
 	 * @fires crop window
 	 *
 	 * @return {void}
 	 */
 	createCropContent: function() {
 		this.cropperView = new wp.media.view.Cropper({
 			controller: this,
 			attachment: this.get('selection').first()
 		});
 		this.cropperView.on('image-loaded', this.createCropToolbar, this);
 		this.frame.content.set(this.cropperView);
 
 	},
 
 	/**
 	 * Removes the image selection and closes the cropping window.
 	 *
 	 * @since 4.2.0
 	 *
 	 * @return {void}
 	 */
 	removeCropper: function() {
 		this.imgSelect.cancelSelection();
 		this.imgSelect.setOptions({remove: true});
 		this.imgSelect.update();
 		this.cropperView.remove();
 	},
 
 	/**
 	 * Checks if cropping can be skipped and creates crop toolbar accordingly.
 	 *
 	 * @since 4.2.0
 	 *
 	 * @return {void}
 	 */
 	createCropToolbar: function() {
 		var canSkipCrop, toolbarOptions;
 
 		canSkipCrop = this.get('canSkipCrop') || false;
 
 		toolbarOptions = {
 			controller: this.frame,
 			items: {
 				insert: {
 					style:    'primary',
 					text:     l10n.cropImage,
 					priority: 80,
 					requires: { library: false, selection: false },
 
 					click: function() {
 						var controller = this.controller,
 							selection;
 
 						selection = controller.state().get('selection').first();
 						selection.set({cropDetails: controller.state().imgSelect.getSelection()});
 
 						this.$el.text(l10n.cropping);
 						this.$el.attr('disabled', true);
 
 						controller.state().doCrop( selection ).done( function( croppedImage ) {
 							controller.trigger('cropped', croppedImage );
 							controller.close();
 						}).fail( function() {
 							controller.trigger('content:error:crop');
 						});
 					}
 				}
 			}
 		};
 
 		if ( canSkipCrop ) {
 			_.extend( toolbarOptions.items, {
 				skip: {
 					style:      'secondary',
 					text:       l10n.skipCropping,
 					priority:   70,
 					requires:   { library: false, selection: false },
 					click:      function() {
 						var selection = this.controller.state().get('selection').first();
 						this.controller.state().cropperView.remove();
 						this.controller.trigger('skippedcrop', selection);
 						this.controller.close();
 					}
 				}
 			});
 		}
 
 		this.frame.toolbar.set( new wp.media.view.Toolbar(toolbarOptions) );
 	},
 
 	/**
 	 * Creates an object with the image attachment and crop properties.
 	 *
 	 * @since 4.2.0
 	 *
 	 * @return {$.promise} A jQuery promise with the custom header crop details.
 	 */
 	doCrop: function( attachment ) {
 		return wp.ajax.post( 'custom-header-crop', _.extend(
 			{},
 			this.defaults.doCropArgs,
 			{
 				nonce: attachment.get( 'nonces' ).edit,
 				id: attachment.get( 'id' ),
 				cropDetails: attachment.get( 'cropDetails' )
 			}
 		) );
 	}
 });
 
 module.exports = Cropper;
 
 
 /***/ }),
 
 /***/ "M5ZC":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.controller.State
  *
  * A state is a step in a workflow that when set will trigger the controllers
  * for the regions to be updated as specified in the frame.
  *
  * A state has an event-driven lifecycle:
  *
  *     'ready'      triggers when a state is added to a state machine's collection.
  *     'activate'   triggers when a state is activated by a state machine.
  *     'deactivate' triggers when a state is deactivated by a state machine.
  *     'reset'      is not triggered automatically. It should be invoked by the
  *                  proper controller to reset the state to its default.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments Backbone.Model
  */
 var State = Backbone.Model.extend(/** @lends wp.media.controller.State.prototype */{
 	/**
 	 * Constructor.
 	 *
 	 * @since 3.5.0
 	 */
 	constructor: function() {
 		this.on( 'activate', this._preActivate, this );
 		this.on( 'activate', this.activate, this );
 		this.on( 'activate', this._postActivate, this );
 		this.on( 'deactivate', this._deactivate, this );
 		this.on( 'deactivate', this.deactivate, this );
 		this.on( 'reset', this.reset, this );
 		this.on( 'ready', this._ready, this );
 		this.on( 'ready', this.ready, this );
 		/**
 		 * Call parent constructor with passed arguments
 		 */
 		Backbone.Model.apply( this, arguments );
 		this.on( 'change:menu', this._updateMenu, this );
 	},
 	/**
 	 * Ready event callback.
 	 *
 	 * @abstract
 	 * @since 3.5.0
 	 */
 	ready: function() {},
 
 	/**
 	 * Activate event callback.
 	 *
 	 * @abstract
 	 * @since 3.5.0
 	 */
 	activate: function() {},
 
 	/**
 	 * Deactivate event callback.
 	 *
 	 * @abstract
 	 * @since 3.5.0
 	 */
 	deactivate: function() {},
 
 	/**
 	 * Reset event callback.
 	 *
 	 * @abstract
 	 * @since 3.5.0
 	 */
 	reset: function() {},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_ready: function() {
 		this._updateMenu();
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	*/
 	_preActivate: function() {
 		this.active = true;
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_postActivate: function() {
 		this.on( 'change:menu', this._menu, this );
 		this.on( 'change:titleMode', this._title, this );
 		this.on( 'change:content', this._content, this );
 		this.on( 'change:toolbar', this._toolbar, this );
 
 		this.frame.on( 'title:render:default', this._renderTitle, this );
 
 		this._title();
 		this._menu();
 		this._toolbar();
 		this._content();
 		this._router();
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_deactivate: function() {
 		this.active = false;
 
 		this.frame.off( 'title:render:default', this._renderTitle, this );
 
 		this.off( 'change:menu', this._menu, this );
 		this.off( 'change:titleMode', this._title, this );
 		this.off( 'change:content', this._content, this );
 		this.off( 'change:toolbar', this._toolbar, this );
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_title: function() {
 		this.frame.title.render( this.get('titleMode') || 'default' );
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_renderTitle: function( view ) {
 		view.$el.text( this.get('title') || '' );
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_router: function() {
 		var router = this.frame.router,
 			mode = this.get('router'),
 			view;
 
 		this.frame.$el.toggleClass( 'hide-router', ! mode );
 		if ( ! mode ) {
 			return;
 		}
 
 		this.frame.router.render( mode );
 
 		view = router.get();
 		if ( view && view.select ) {
 			view.select( this.frame.content.mode() );
 		}
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_menu: function() {
 		var menu = this.frame.menu,
 			mode = this.get('menu'),
 			view;
 
 		this.frame.$el.toggleClass( 'hide-menu', ! mode );
 		if ( ! mode ) {
 			return;
 		}
 
 		menu.mode( mode );
 
 		view = menu.get();
 		if ( view && view.select ) {
 			view.select( this.id );
 		}
 	},
 
 	/**
 	 * @since 3.5.0
 	 * @access private
 	 */
 	_updateMenu: function() {
 		var previous = this.previous('menu'),
 			menu = this.get('menu');
 
 		if ( previous ) {
 			this.frame.off( 'menu:render:' + previous, this._renderMenu, this );
 		}
 
 		if ( menu ) {
 			this.frame.on( 'menu:render:' + menu, this._renderMenu, this );
 		}
 	},
 
 	/**
 	 * Create a view in the media menu for the state.
 	 *
 	 * @since 3.5.0
 	 * @access private
 	 *
 	 * @param {media.view.Menu} view The menu view.
 	 */
 	_renderMenu: function( view ) {
 		var menuItem = this.get('menuItem'),
 			title = this.get('title'),
 			priority = this.get('priority');
 
 		if ( ! menuItem && title ) {
 			menuItem = { text: title };
 
 			if ( priority ) {
 				menuItem.priority = priority;
 			}
 		}
 
 		if ( ! menuItem ) {
 			return;
 		}
 
 		view.set( this.id, menuItem );
 	}
 });
 
 _.each(['toolbar','content'], function( region ) {
 	/**
 	 * @access private
 	 */
 	State.prototype[ '_' + region ] = function() {
 		var mode = this.get( region );
 		if ( mode ) {
 			this.frame[ region ].render( mode );
 		}
 	};
 });
 
 module.exports = State;
 
 
 /***/ }),
 
 /***/ "Mt+m":
 /***/ (function(module, exports) {
 
 var Library = wp.media.controller.Library,
 	l10n = wp.media.view.l10n,
 	$ = jQuery,
 	CollectionEdit;
 
 /**
  * wp.media.controller.CollectionEdit
  *
  * A state for editing a collection, which is used by audio and video playlists,
  * and can be used for other collections.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.Library
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @param {object}                     [attributes]                      The attributes hash passed to the state.
  * @param {string}                     attributes.title                  Title for the state. Displays in the media menu and the frame's title region.
  * @param {wp.media.model.Attachments} [attributes.library]              The attachments collection to edit.
  *                                                                       If one is not supplied, an empty media.model.Selection collection is created.
  * @param {boolean}                    [attributes.multiple=false]       Whether multi-select is enabled.
  * @param {string}                     [attributes.content=browse]       Initial mode for the content region.
  * @param {string}                     attributes.menu                   Initial mode for the menu region. @todo this needs a better explanation.
  * @param {boolean}                    [attributes.searchable=false]     Whether the library is searchable.
  * @param {boolean}                    [attributes.sortable=true]        Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
  * @param {boolean}                    [attributes.date=true]            Whether to show the date filter in the browser's toolbar.
  * @param {boolean}                    [attributes.describe=true]        Whether to offer UI to describe the attachments - e.g. captioning images in a gallery.
  * @param {boolean}                    [attributes.dragInfo=true]        Whether to show instructional text about the attachments being sortable.
  * @param {boolean}                    [attributes.dragInfoText]         Instructional text about the attachments being sortable.
  * @param {int}                        [attributes.idealColumnWidth=170] The ideal column width in pixels for attachments.
  * @param {boolean}                    [attributes.editing=false]        Whether the gallery is being created, or editing an existing instance.
  * @param {int}                        [attributes.priority=60]          The priority for the state link in the media menu.
  * @param {boolean}                    [attributes.syncSelection=false]  Whether the Attachments selection should be persisted from the last state.
  *                                                                       Defaults to false for this state, because the library passed in  *is* the selection.
  * @param {view}                       [attributes.SettingsView]         The view to edit the collection instance settings (e.g. Playlist settings with "Show tracklist" checkbox).
  * @param {view}                       [attributes.AttachmentView]       The single `Attachment` view to be used in the `Attachments`.
  *                                                                       If none supplied, defaults to wp.media.view.Attachment.EditLibrary.
  * @param {string}                     attributes.type                   The collection's media type. (e.g. 'video').
  * @param {string}                     attributes.collectionType         The collection type. (e.g. 'playlist').
  */
 CollectionEdit = Library.extend(/** @lends wp.media.controller.CollectionEdit.prototype */{
 	defaults: {
 		multiple:         false,
 		sortable:         true,
 		date:             false,
 		searchable:       false,
 		content:          'browse',
 		describe:         true,
 		dragInfo:         true,
 		idealColumnWidth: 170,
 		editing:          false,
 		priority:         60,
 		SettingsView:     false,
 		syncSelection:    false
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	initialize: function() {
 		var collectionType = this.get('collectionType');
 
 		if ( 'video' === this.get( 'type' ) ) {
 			collectionType = 'video-' + collectionType;
 		}
 
 		this.set( 'id', collectionType + '-edit' );
 		this.set( 'toolbar', collectionType + '-edit' );
 
 		// If we haven't been provided a `library`, create a `Selection`.
 		if ( ! this.get('library') ) {
 			this.set( 'library', new wp.media.model.Selection() );
 		}
 		// The single `Attachment` view to be used in the `Attachments` view.
 		if ( ! this.get('AttachmentView') ) {
 			this.set( 'AttachmentView', wp.media.view.Attachment.EditLibrary );
 		}
 		Library.prototype.initialize.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	activate: function() {
 		var library = this.get('library');
 
 		// Limit the library to images only.
 		library.props.set( 'type', this.get( 'type' ) );
 
 		// Watch for uploaded attachments.
 		this.get('library').observe( wp.Uploader.queue );
 
 		this.frame.on( 'content:render:browse', this.renderSettings, this );
 
 		Library.prototype.activate.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	deactivate: function() {
 		// Stop watching for uploaded attachments.
 		this.get('library').unobserve( wp.Uploader.queue );
 
 		this.frame.off( 'content:render:browse', this.renderSettings, this );
 
 		Library.prototype.deactivate.apply( this, arguments );
 	},
 
 	/**
 	 * Render the collection embed settings view in the browser sidebar.
 	 *
 	 * @todo This is against the pattern elsewhere in media. Typically the frame
 	 *       is responsible for adding region mode callbacks. Explain.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @param {wp.media.view.attachmentsBrowser} The attachments browser view.
 	 */
 	renderSettings: function( attachmentsBrowserView ) {
 		var library = this.get('library'),
 			collectionType = this.get('collectionType'),
 			dragInfoText = this.get('dragInfoText'),
 			SettingsView = this.get('SettingsView'),
 			obj = {};
 
 		if ( ! library || ! attachmentsBrowserView ) {
 			return;
 		}
 
 		library[ collectionType ] = library[ collectionType ] || new Backbone.Model();
 
 		obj[ collectionType ] = new SettingsView({
 			controller: this,
 			model:      library[ collectionType ],
 			priority:   40
 		});
 
 		attachmentsBrowserView.sidebar.set( obj );
 
 		if ( dragInfoText ) {
 			attachmentsBrowserView.toolbar.set( 'dragInfo', new wp.media.View({
 				el: $( '<div class="instructions">' + dragInfoText + '</div>' )[0],
 				priority: -40
 			}) );
 		}
 
 		// Add the 'Reverse order' button to the toolbar.
 		attachmentsBrowserView.toolbar.set( 'reverse', {
 			text:     l10n.reverseOrder,
 			priority: 80,
 
 			click: function() {
 				library.reset( library.toArray().reverse() );
 			}
 		});
 	}
 });
 
 module.exports = CollectionEdit;
 
 
 /***/ }),
 
 /***/ "NguE":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	UploaderStatus;
 
 /**
  * wp.media.view.UploaderStatus
  *
  * An uploader status for on-going uploads.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 UploaderStatus = View.extend(/** @lends wp.media.view.UploaderStatus.prototype */{
 	className: 'media-uploader-status',
 	template:  wp.template('uploader-status'),
 
 	events: {
 		'click .upload-dismiss-errors': 'dismiss'
 	},
 
 	initialize: function() {
 		this.queue = wp.Uploader.queue;
 		this.queue.on( 'add remove reset', this.visibility, this );
 		this.queue.on( 'add remove reset change:percent', this.progress, this );
 		this.queue.on( 'add remove reset change:uploading', this.info, this );
 
 		this.errors = wp.Uploader.errors;
 		this.errors.reset();
 		this.errors.on( 'add remove reset', this.visibility, this );
 		this.errors.on( 'add', this.error, this );
 	},
 	/**
 	 * @return {wp.media.view.UploaderStatus}
 	 */
 	dispose: function() {
 		wp.Uploader.queue.off( null, null, this );
 		/**
 		 * call 'dispose' directly on the parent class
 		 */
 		View.prototype.dispose.apply( this, arguments );
 		return this;
 	},
 
 	visibility: function() {
 		this.$el.toggleClass( 'uploading', !! this.queue.length );
 		this.$el.toggleClass( 'errors', !! this.errors.length );
 		this.$el.toggle( !! this.queue.length || !! this.errors.length );
 	},
 
 	ready: function() {
 		_.each({
 			'$bar':      '.media-progress-bar div',
 			'$index':    '.upload-index',
 			'$total':    '.upload-total',
 			'$filename': '.upload-filename'
 		}, function( selector, key ) {
 			this[ key ] = this.$( selector );
 		}, this );
 
 		this.visibility();
 		this.progress();
 		this.info();
 	},
 
 	progress: function() {
 		var queue = this.queue,
 			$bar = this.$bar;
 
 		if ( ! $bar || ! queue.length ) {
 			return;
 		}
 
 		$bar.width( ( queue.reduce( function( memo, attachment ) {
 			if ( ! attachment.get('uploading') ) {
 				return memo + 100;
 			}
 
 			var percent = attachment.get('percent');
 			return memo + ( _.isNumber( percent ) ? percent : 100 );
 		}, 0 ) / queue.length ) + '%' );
 	},
 
 	info: function() {
 		var queue = this.queue,
 			index = 0, active;
 
 		if ( ! queue.length ) {
 			return;
 		}
 
 		active = this.queue.find( function( attachment, i ) {
 			index = i;
 			return attachment.get('uploading');
 		});
 
 		if ( this.$index && this.$total && this.$filename ) {
 			this.$index.text( index + 1 );
 			this.$total.text( queue.length );
 			this.$filename.html( active ? this.filename( active.get('filename') ) : '' );
 		}
 	},
 	/**
 	 * @param {string} filename
 	 * @return {string}
 	 */
 	filename: function( filename ) {
 		return _.escape( filename );
 	},
 	/**
 	 * @param {Backbone.Model} error
 	 */
 	error: function( error ) {
 		var statusError = new wp.media.view.UploaderStatusError( {
 			filename: this.filename( error.get( 'file' ).name ),
 			message:  error.get( 'message' )
 		} );
 
 		var buttonClose = this.$el.find( 'button' );
 
 		// Can show additional info here while retrying to create image sub-sizes.
 		this.views.add( '.upload-errors', statusError, { at: 0 } );
 		_.delay( function() {
 			buttonClose.trigger( 'focus' );
 			wp.a11y.speak( error.get( 'message' ), 'assertive' );
 		}, 1000 );
 	},
 
 	dismiss: function() {
 		var errors = this.views.get('.upload-errors');
 
 		if ( errors ) {
 			_.invoke( errors, 'remove' );
 		}
 		wp.Uploader.errors.reset();
 		// Move focus to the modal after the dismiss button gets removed from the DOM.
 		if ( this.controller.modal ) {
 			this.controller.modal.focusManager.focus();
 		}
 	}
 });
 
 module.exports = UploaderStatus;
 
 
 /***/ }),
 
 /***/ "NjyZ":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.PriorityList
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var PriorityList = wp.media.View.extend(/** @lends wp.media.view.PriorityList.prototype */{
 	tagName:   'div',
 
 	initialize: function() {
 		this._views = {};
 
 		this.set( _.extend( {}, this._views, this.options.views ), { silent: true });
 		delete this.options.views;
 
 		if ( ! this.options.silent ) {
 			this.render();
 		}
 	},
 	/**
 	 * @param {string} id
 	 * @param {wp.media.View|Object} view
 	 * @param {Object} options
 	 * @return {wp.media.view.PriorityList} Returns itself to allow chaining.
 	 */
 	set: function( id, view, options ) {
 		var priority, views, index;
 
 		options = options || {};
 
 		// Accept an object with an `id` : `view` mapping.
 		if ( _.isObject( id ) ) {
 			_.each( id, function( view, id ) {
 				this.set( id, view );
 			}, this );
 			return this;
 		}
 
 		if ( ! (view instanceof Backbone.View) ) {
 			view = this.toView( view, id, options );
 		}
 		view.controller = view.controller || this.controller;
 
 		this.unset( id );
 
 		priority = view.options.priority || 10;
 		views = this.views.get() || [];
 
 		_.find( views, function( existing, i ) {
 			if ( existing.options.priority > priority ) {
 				index = i;
 				return true;
 			}
 		});
 
 		this._views[ id ] = view;
 		this.views.add( view, {
 			at: _.isNumber( index ) ? index : views.length || 0
 		});
 
 		return this;
 	},
 	/**
 	 * @param {string} id
 	 * @return {wp.media.View}
 	 */
 	get: function( id ) {
 		return this._views[ id ];
 	},
 	/**
 	 * @param {string} id
 	 * @return {wp.media.view.PriorityList}
 	 */
 	unset: function( id ) {
 		var view = this.get( id );
 
 		if ( view ) {
 			view.remove();
 		}
 
 		delete this._views[ id ];
 		return this;
 	},
 	/**
 	 * @param {Object} options
 	 * @return {wp.media.View}
 	 */
 	toView: function( options ) {
 		return new wp.media.View( options );
 	}
 });
 
 module.exports = PriorityList;
 
 
 /***/ }),
 
 /***/ "P6DV":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Attachment.EditSelection
  *
  * @memberOf wp.media.view.Attachment
  *
  * @class
  * @augments wp.media.view.Attachment.Selection
  * @augments wp.media.view.Attachment
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var EditSelection = wp.media.view.Attachment.Selection.extend(/** @lends wp.media.view.Attachment.EditSelection.prototype */{
 	buttons: {
 		close: true
 	}
 });
 
 module.exports = EditSelection;
 
 
 /***/ }),
 
 /***/ "PgTd":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.selectionSync
  *
  * Sync an attachments selection in a state with another state.
  *
  * Allows for selecting multiple images in the Add Media workflow, and then
  * switching to the Insert Gallery workflow while preserving the attachments selection.
  *
  * @memberOf wp.media
  *
  * @mixin
  */
 var selectionSync = {
 	/**
 	 * @since 3.5.0
 	 */
 	syncSelection: function() {
 		var selection = this.get('selection'),
 			manager = this.frame._selection;
 
 		if ( ! this.get('syncSelection') || ! manager || ! selection ) {
 			return;
 		}
 
 		/*
 		 * If the selection supports multiple items, validate the stored
 		 * attachments based on the new selection's conditions. Record
 		 * the attachments that are not included; we'll maintain a
 		 * reference to those. Other attachments are considered in flux.
 		 */
 		if ( selection.multiple ) {
 			selection.reset( [], { silent: true });
 			selection.validateAll( manager.attachments );
 			manager.difference = _.difference( manager.attachments.models, selection.models );
 		}
 
 		// Sync the selection's single item with the master.
 		selection.single( manager.single );
 	},
 
 	/**
 	 * Record the currently active attachments, which is a combination
 	 * of the selection's attachments and the set of selected
 	 * attachments that this specific selection considered invalid.
 	 * Reset the difference and record the single attachment.
 	 *
 	 * @since 3.5.0
 	 */
 	recordSelection: function() {
 		var selection = this.get('selection'),
 			manager = this.frame._selection;
 
 		if ( ! this.get('syncSelection') || ! manager || ! selection ) {
 			return;
 		}
 
 		if ( selection.multiple ) {
 			manager.attachments.reset( selection.toArray().concat( manager.difference ) );
 			manager.difference = [];
 		} else {
 			manager.attachments.add( selection.toArray() );
 		}
 
 		manager.single = selection._single;
 	}
 };
 
 module.exports = selectionSync;
 
 
 /***/ }),
 
 /***/ "Pt9x":
 /***/ (function(module, exports) {
 
 var Frame = wp.media.view.Frame,
 	l10n = wp.media.view.l10n,
 	$ = jQuery,
 	MediaFrame;
 
 /**
  * wp.media.view.MediaFrame
  *
  * The frame used to create the media modal.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.Frame
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  * @mixes wp.media.controller.StateMachine
  */
 MediaFrame = Frame.extend(/** @lends wp.media.view.MediaFrame.prototype */{
 	className: 'media-frame',
 	template:  wp.template('media-frame'),
 	regions:   ['menu','title','content','toolbar','router'],
 
 	events: {
 		'click .media-frame-menu-toggle': 'toggleMenu'
 	},
 
 	/**
 	 * @constructs
 	 */
 	initialize: function() {
 		Frame.prototype.initialize.apply( this, arguments );
 
 		_.defaults( this.options, {
 			title:    l10n.mediaFrameDefaultTitle,
 			modal:    true,
 			uploader: true
 		});
 
 		// Ensure core UI is enabled.
 		this.$el.addClass('wp-core-ui');
 
 		// Initialize modal container view.
 		if ( this.options.modal ) {
 			this.modal = new wp.media.view.Modal({
 				controller: this,
 				title:      this.options.title
 			});
 
 			this.modal.content( this );
 		}
 
 		// Force the uploader off if the upload limit has been exceeded or
 		// if the browser isn't supported.
 		if ( wp.Uploader.limitExceeded || ! wp.Uploader.browser.supported ) {
 			this.options.uploader = false;
 		}
 
 		// Initialize window-wide uploader.
 		if ( this.options.uploader ) {
 			this.uploader = new wp.media.view.UploaderWindow({
 				controller: this,
 				uploader: {
 					dropzone:  this.modal ? this.modal.$el : this.$el,
 					container: this.$el
 				}
 			});
 			this.views.set( '.media-frame-uploader', this.uploader );
 		}
 
 		this.on( 'attach', _.bind( this.views.ready, this.views ), this );
 
 		// Bind default title creation.
 		this.on( 'title:create:default', this.createTitle, this );
 		this.title.mode('default');
 
 		// Bind default menu.
 		this.on( 'menu:create:default', this.createMenu, this );
 
 		// Set the menu ARIA tab panel attributes when the modal opens.
 		this.on( 'open', this.setMenuTabPanelAriaAttributes, this );
 		// Set the router ARIA tab panel attributes when the modal opens.
 		this.on( 'open', this.setRouterTabPanelAriaAttributes, this );
 
 		// Update the menu ARIA tab panel attributes when the content updates.
 		this.on( 'content:render', this.setMenuTabPanelAriaAttributes, this );
 		// Update the router ARIA tab panel attributes when the content updates.
 		this.on( 'content:render', this.setRouterTabPanelAriaAttributes, this );
 	},
 
 	/**
 	 * Sets the attributes to be used on the menu ARIA tab panel.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @return {void}
 	 */
 	setMenuTabPanelAriaAttributes: function() {
 		var stateId = this.state().get( 'id' ),
 			tabPanelEl = this.$el.find( '.media-frame-tab-panel' ),
 			ariaLabelledby;
 
 		tabPanelEl.removeAttr( 'role aria-labelledby tabindex' );
 
 		if ( this.state().get( 'menu' ) && this.menuView && this.menuView.isVisible ) {
 			ariaLabelledby = 'menu-item-' + stateId;
 
 			// Set the tab panel attributes only if the tabs are visible.
 			tabPanelEl
 				.attr( {
 					role: 'tabpanel',
 					'aria-labelledby': ariaLabelledby,
 					tabIndex: '0'
 				} );
 		}
 	},
 
 	/**
 	 * Sets the attributes to be used on the router ARIA tab panel.
 	 *
 	 * @since 5.3.0
 	 *
 	 * @return {void}
 	 */
 	setRouterTabPanelAriaAttributes: function() {
 		var tabPanelEl = this.$el.find( '.media-frame-content' ),
 			ariaLabelledby;
 
 		tabPanelEl.removeAttr( 'role aria-labelledby tabindex' );
 
 		// Set the tab panel attributes only if the tabs are visible.
 		if ( this.state().get( 'router' ) && this.routerView && this.routerView.isVisible && this.content._mode ) {
 			ariaLabelledby = 'menu-item-' + this.content._mode;
 
 			tabPanelEl
 				.attr( {
 					role: 'tabpanel',
 					'aria-labelledby': ariaLabelledby,
 					tabIndex: '0'
 				} );
 		}
 	},
 
 	/**
 	 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
 	 */
 	render: function() {
 		// Activate the default state if no active state exists.
 		if ( ! this.state() && this.options.state ) {
 			this.setState( this.options.state );
 		}
 		/**
 		 * call 'render' directly on the parent class
 		 */
 		return Frame.prototype.render.apply( this, arguments );
 	},
 	/**
 	 * @param {Object} title
 	 * @this wp.media.controller.Region
 	 */
 	createTitle: function( title ) {
 		title.view = new wp.media.View({
 			controller: this,
 			tagName: 'h1'
 		});
 	},
 	/**
 	 * @param {Object} menu
 	 * @this wp.media.controller.Region
 	 */
 	createMenu: function( menu ) {
 		menu.view = new wp.media.view.Menu({
 			controller: this,
 
 			attributes: {
 				role:               'tablist',
 				'aria-orientation': 'vertical'
 			}
 		});
 
 		this.menuView = menu.view;
 	},
 
 	toggleMenu: function( event ) {
 		var menu = this.$el.find( '.media-menu' );
 
 		menu.toggleClass( 'visible' );
 		$( event.target ).attr( 'aria-expanded', menu.hasClass( 'visible' ) );
 	},
 
 	/**
 	 * @param {Object} toolbar
 	 * @this wp.media.controller.Region
 	 */
 	createToolbar: function( toolbar ) {
 		toolbar.view = new wp.media.view.Toolbar({
 			controller: this
 		});
 	},
 	/**
 	 * @param {Object} router
 	 * @this wp.media.controller.Region
 	 */
 	createRouter: function( router ) {
 		router.view = new wp.media.view.Router({
 			controller: this,
 
 			attributes: {
 				role:               'tablist',
 				'aria-orientation': 'horizontal'
 			}
 		});
 
 		this.routerView = router.view;
 	},
 	/**
 	 * @param {Object} options
 	 */
 	createIframeStates: function( options ) {
 		var settings = wp.media.view.settings,
 			tabs = settings.tabs,
 			tabUrl = settings.tabUrl,
 			$postId;
 
 		if ( ! tabs || ! tabUrl ) {
 			return;
 		}
 
 		// Add the post ID to the tab URL if it exists.
 		$postId = $('#post_ID');
 		if ( $postId.length ) {
 			tabUrl += '&post_id=' + $postId.val();
 		}
 
 		// Generate the tab states.
 		_.each( tabs, function( title, id ) {
 			this.state( 'iframe:' + id ).set( _.defaults({
 				tab:     id,
 				src:     tabUrl + '&tab=' + id,
 				title:   title,
 				content: 'iframe',
 				menu:    'default'
 			}, options ) );
 		}, this );
 
 		this.on( 'content:create:iframe', this.iframeContent, this );
 		this.on( 'content:deactivate:iframe', this.iframeContentCleanup, this );
 		this.on( 'menu:render:default', this.iframeMenu, this );
 		this.on( 'open', this.hijackThickbox, this );
 		this.on( 'close', this.restoreThickbox, this );
 	},
 
 	/**
 	 * @param {Object} content
 	 * @this wp.media.controller.Region
 	 */
 	iframeContent: function( content ) {
 		this.$el.addClass('hide-toolbar');
 		content.view = new wp.media.view.Iframe({
 			controller: this
 		});
 	},
 
 	iframeContentCleanup: function() {
 		this.$el.removeClass('hide-toolbar');
 	},
 
 	iframeMenu: function( view ) {
 		var views = {};
 
 		if ( ! view ) {
 			return;
 		}
 
 		_.each( wp.media.view.settings.tabs, function( title, id ) {
 			views[ 'iframe:' + id ] = {
 				text: this.state( 'iframe:' + id ).get('title'),
 				priority: 200
 			};
 		}, this );
 
 		view.set( views );
 	},
 
 	hijackThickbox: function() {
 		var frame = this;
 
 		if ( ! window.tb_remove || this._tb_remove ) {
 			return;
 		}
 
 		this._tb_remove = window.tb_remove;
 		window.tb_remove = function() {
 			frame.close();
 			frame.reset();
 			frame.setState( frame.options.state );
 			frame._tb_remove.call( window );
 		};
 	},
 
 	restoreThickbox: function() {
 		if ( ! this._tb_remove ) {
 			return;
 		}
 
 		window.tb_remove = this._tb_remove;
 		delete this._tb_remove;
 	}
 });
 
 // Map some of the modal's methods to the frame.
 _.each(['open','close','attach','detach','escape'], function( method ) {
 	/**
 	 * @function open
 	 * @memberOf wp.media.view.MediaFrame
 	 * @instance
 	 *
 	 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function close
 	 * @memberOf wp.media.view.MediaFrame
 	 * @instance
 	 *
 	 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function attach
 	 * @memberOf wp.media.view.MediaFrame
 	 * @instance
 	 *
 	 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function detach
 	 * @memberOf wp.media.view.MediaFrame
 	 * @instance
 	 *
 	 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function escape
 	 * @memberOf wp.media.view.MediaFrame
 	 * @instance
 	 *
 	 * @return {wp.media.view.MediaFrame} Returns itself to allow chaining.
 	 */
 	MediaFrame.prototype[ method ] = function() {
 		if ( this.modal ) {
 			this.modal[ method ].apply( this.modal, arguments );
 		}
 		return this;
 	};
 });
 
 module.exports = MediaFrame;
 
 
 /***/ }),
 
 /***/ "Q9T/":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.RouterItem
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.MenuItem
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var RouterItem = wp.media.view.MenuItem.extend(/** @lends wp.media.view.RouterItem.prototype */{
 	/**
 	 * On click handler to activate the content region's corresponding mode.
 	 */
 	click: function() {
 		var contentMode = this.options.contentMode;
 		if ( contentMode ) {
 			this.controller.content.mode( contentMode );
 		}
 	}
 });
 
 module.exports = RouterItem;
 
 
 /***/ }),
 
 /***/ "S4jH":
 /***/ (function(module, exports) {
 
 var $ = jQuery,
 	UploaderWindow;
 
 /**
  * wp.media.view.UploaderWindow
  *
  * An uploader window that allows for dragging and dropping media.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  *
  * @param {object} [options]                   Options hash passed to the view.
  * @param {object} [options.uploader]          Uploader properties.
  * @param {jQuery} [options.uploader.browser]
  * @param {jQuery} [options.uploader.dropzone] jQuery collection of the dropzone.
  * @param {object} [options.uploader.params]
  */
 UploaderWindow = wp.media.View.extend(/** @lends wp.media.view.UploaderWindow.prototype */{
 	tagName:   'div',
 	className: 'uploader-window',
 	template:  wp.template('uploader-window'),
 
 	initialize: function() {
 		var uploader;
 
 		this.$browser = $( '<button type="button" class="browser" />' ).hide().appendTo( 'body' );
 
 		uploader = this.options.uploader = _.defaults( this.options.uploader || {}, {
 			dropzone:  this.$el,
 			browser:   this.$browser,
 			params:    {}
 		});
 
 		// Ensure the dropzone is a jQuery collection.
 		if ( uploader.dropzone && ! (uploader.dropzone instanceof $) ) {
 			uploader.dropzone = $( uploader.dropzone );
 		}
 
 		this.controller.on( 'activate', this.refresh, this );
 
 		this.controller.on( 'detach', function() {
 			this.$browser.remove();
 		}, this );
 	},
 
 	refresh: function() {
 		if ( this.uploader ) {
 			this.uploader.refresh();
 		}
 	},
 
 	ready: function() {
 		var postId = wp.media.view.settings.post.id,
 			dropzone;
 
 		// If the uploader already exists, bail.
 		if ( this.uploader ) {
 			return;
 		}
 
 		if ( postId ) {
 			this.options.uploader.params.post_id = postId;
 		}
 		this.uploader = new wp.Uploader( this.options.uploader );
 
 		dropzone = this.uploader.dropzone;
 		dropzone.on( 'dropzone:enter', _.bind( this.show, this ) );
 		dropzone.on( 'dropzone:leave', _.bind( this.hide, this ) );
 
 		$( this.uploader ).on( 'uploader:ready', _.bind( this._ready, this ) );
 	},
 
 	_ready: function() {
 		this.controller.trigger( 'uploader:ready' );
 	},
 
 	show: function() {
 		var $el = this.$el.show();
 
 		// Ensure that the animation is triggered by waiting until
 		// the transparent element is painted into the DOM.
 		_.defer( function() {
 			$el.css({ opacity: 1 });
 		});
 	},
 
 	hide: function() {
 		var $el = this.$el.css({ opacity: 0 });
 
 		wp.media.transition( $el ).done( function() {
 			// Transition end events are subject to race conditions.
 			// Make sure that the value is set as intended.
 			if ( '0' === $el.css('opacity') ) {
 				$el.hide();
 			}
 		});
 
 		// https://core.trac.wordpress.org/ticket/27341
 		_.delay( function() {
 			if ( '0' === $el.css('opacity') && $el.is(':visible') ) {
 				$el.hide();
 			}
 		}, 500 );
 	}
 });
 
 module.exports = UploaderWindow;
 
 
 /***/ }),
 
 /***/ "U3Se":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.controller.StateMachine
  *
  * A state machine keeps track of state. It is in one state at a time,
  * and can change from one state to another.
  *
  * States are stored as models in a Backbone collection.
  *
  * @memberOf wp.media.controller
  *
  * @since 3.5.0
  *
  * @class
  * @augments Backbone.Model
  * @mixin
  * @mixes Backbone.Events
  */
 var StateMachine = function() {
 	return {
 		// Use Backbone's self-propagating `extend` inheritance method.
 		extend: Backbone.Model.extend
 	};
 };
 
 _.extend( StateMachine.prototype, Backbone.Events,/** @lends wp.media.controller.StateMachine.prototype */{
 	/**
 	 * Fetch a state.
 	 *
 	 * If no `id` is provided, returns the active state.
 	 *
 	 * Implicitly creates states.
 	 *
 	 * Ensure that the `states` collection exists so the `StateMachine`
 	 * can be used as a mixin.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {string} id
 	 * @return {wp.media.controller.State} Returns a State model from
 	 *                                     the StateMachine collection.
 	 */
 	state: function( id ) {
 		this.states = this.states || new Backbone.Collection();
 
 		// Default to the active state.
 		id = id || this._state;
 
 		if ( id && ! this.states.get( id ) ) {
 			this.states.add({ id: id });
 		}
 		return this.states.get( id );
 	},
 
 	/**
 	 * Sets the active state.
 	 *
 	 * Bail if we're trying to select the current state, if we haven't
 	 * created the `states` collection, or are trying to select a state
 	 * that does not exist.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {string} id
 	 *
 	 * @fires wp.media.controller.State#deactivate
 	 * @fires wp.media.controller.State#activate
 	 *
 	 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
 	 */
 	setState: function( id ) {
 		var previous = this.state();
 
 		if ( ( previous && id === previous.id ) || ! this.states || ! this.states.get( id ) ) {
 			return this;
 		}
 
 		if ( previous ) {
 			previous.trigger('deactivate');
 			this._lastState = previous.id;
 		}
 
 		this._state = id;
 		this.state().trigger('activate');
 
 		return this;
 	},
 
 	/**
 	 * Returns the previous active state.
 	 *
 	 * Call the `state()` method with no parameters to retrieve the current
 	 * active state.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {wp.media.controller.State} Returns a State model from
 	 *                                     the StateMachine collection.
 	 */
 	lastState: function() {
 		if ( this._lastState ) {
 			return this.state( this._lastState );
 		}
 	}
 });
 
 // Map all event binding and triggering on a StateMachine to its `states` collection.
 _.each([ 'on', 'off', 'trigger' ], function( method ) {
 	/**
 	 * @function on
 	 * @memberOf wp.media.controller.StateMachine
 	 * @instance
 	 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function off
 	 * @memberOf wp.media.controller.StateMachine
 	 * @instance
 	 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function trigger
 	 * @memberOf wp.media.controller.StateMachine
 	 * @instance
 	 * @return {wp.media.controller.StateMachine} Returns itself to allow chaining.
 	 */
 	StateMachine.prototype[ method ] = function() {
 		// Ensure that the `states` collection exists so the `StateMachine`
 		// can be used as a mixin.
 		this.states = this.states || new Backbone.Collection();
 		// Forward the method to the `states` collection.
 		this.states[ method ].apply( this.states, arguments );
 		return this;
 	};
 });
 
 module.exports = StateMachine;
 
 
 /***/ }),
 
 /***/ "UmHM":
 /***/ (function(module, exports) {
 
 var View = wp.media.view,
 	SiteIconCropper;
 
 /**
  * wp.media.view.SiteIconCropper
  *
  * Uses the imgAreaSelect plugin to allow a user to crop a Site Icon.
  *
  * Takes imgAreaSelect options from
  * wp.customize.SiteIconControl.calculateImageSelectOptions.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.view.Cropper
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 SiteIconCropper = View.Cropper.extend(/** @lends wp.media.view.SiteIconCropper.prototype */{
 	className: 'crop-content site-icon',
 
 	ready: function () {
 		View.Cropper.prototype.ready.apply( this, arguments );
 
 		this.$( '.crop-image' ).on( 'load', _.bind( this.addSidebar, this ) );
 	},
 
 	addSidebar: function() {
 		this.sidebar = new wp.media.view.Sidebar({
 			controller: this.controller
 		});
 
 		this.sidebar.set( 'preview', new wp.media.view.SiteIconPreview({
 			controller: this.controller,
 			attachment: this.options.attachment
 		}) );
 
 		this.controller.cropperView.views.add( this.sidebar );
 	}
 });
 
 module.exports = SiteIconCropper;
 
 
 /***/ }),
 
 /***/ "V6sy":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Label
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Label = wp.media.View.extend(/** @lends wp.media.view.Label.prototype */{
 	tagName: 'label',
 	className: 'screen-reader-text',
 
 	initialize: function() {
 		this.value = this.options.value;
 	},
 
 	render: function() {
 		this.$el.html( this.value );
 
 		return this;
 	}
 });
 
 module.exports = Label;
 
 
 /***/ }),
 
 /***/ "VIJ9":
 /***/ (function(module, exports) {
 
 var Select = wp.media.view.MediaFrame.Select,
 	l10n = wp.media.view.l10n,
 	ImageDetails;
 
 /**
  * wp.media.view.MediaFrame.ImageDetails
  *
  * A media frame for manipulating an image that's already been inserted
  * into a post.
  *
  * @memberOf wp.media.view.MediaFrame
  *
  * @class
  * @augments wp.media.view.MediaFrame.Select
  * @augments wp.media.view.MediaFrame
  * @augments wp.media.view.Frame
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  * @mixes wp.media.controller.StateMachine
  */
 ImageDetails = Select.extend(/** @lends wp.media.view.MediaFrame.ImageDetails.prototype */{
 	defaults: {
 		id:      'image',
 		url:     '',
 		menu:    'image-details',
 		content: 'image-details',
 		toolbar: 'image-details',
 		type:    'link',
 		title:    l10n.imageDetailsTitle,
 		priority: 120
 	},
 
 	initialize: function( options ) {
 		this.image = new wp.media.model.PostImage( options.metadata );
 		this.options.selection = new wp.media.model.Selection( this.image.attachment, { multiple: false } );
 		Select.prototype.initialize.apply( this, arguments );
 	},
 
 	bindHandlers: function() {
 		Select.prototype.bindHandlers.apply( this, arguments );
 		this.on( 'menu:create:image-details', this.createMenu, this );
 		this.on( 'content:create:image-details', this.imageDetailsContent, this );
 		this.on( 'content:render:edit-image', this.editImageContent, this );
 		this.on( 'toolbar:render:image-details', this.renderImageDetailsToolbar, this );
 		// Override the select toolbar.
 		this.on( 'toolbar:render:replace', this.renderReplaceImageToolbar, this );
 	},
 
 	createStates: function() {
 		this.states.add([
 			new wp.media.controller.ImageDetails({
 				image: this.image,
 				editable: false
 			}),
 			new wp.media.controller.ReplaceImage({
 				id: 'replace-image',
 				library: wp.media.query( { type: 'image' } ),
 				image: this.image,
 				multiple:  false,
 				title:     l10n.imageReplaceTitle,
 				toolbar: 'replace',
 				priority:  80,
 				displaySettings: true
 			}),
 			new wp.media.controller.EditImage( {
 				image: this.image,
 				selection: this.options.selection
 			} )
 		]);
 	},
 
 	imageDetailsContent: function( options ) {
 		options.view = new wp.media.view.ImageDetails({
 			controller: this,
 			model: this.state().image,
 			attachment: this.state().image.attachment
 		});
 	},
 
 	editImageContent: function() {
 		var state = this.state(),
 			model = state.get('image'),
 			view;
 
 		if ( ! model ) {
 			return;
 		}
 
 		view = new wp.media.view.EditImage( { model: model, controller: this } ).render();
 
 		this.content.set( view );
 
 		// After bringing in the frame, load the actual editor via an Ajax call.
 		view.loadEditor();
 
 	},
 
 	renderImageDetailsToolbar: function() {
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				select: {
 					style:    'primary',
 					text:     l10n.update,
 					priority: 80,
 
 					click: function() {
 						var controller = this.controller,
 							state = controller.state();
 
 						controller.close();
 
 						// Not sure if we want to use wp.media.string.image which will create a shortcode or
 						// perhaps wp.html.string to at least to build the <img />.
 						state.trigger( 'update', controller.image.toJSON() );
 
 						// Restore and reset the default state.
 						controller.setState( controller.options.state );
 						controller.reset();
 					}
 				}
 			}
 		}) );
 	},
 
 	renderReplaceImageToolbar: function() {
 		var frame = this,
 			lastState = frame.lastState(),
 			previous = lastState && lastState.id;
 
 		this.toolbar.set( new wp.media.view.Toolbar({
 			controller: this,
 			items: {
 				back: {
 					text:     l10n.back,
 					priority: 80,
 					click:    function() {
 						if ( previous ) {
 							frame.setState( previous );
 						} else {
 							frame.close();
 						}
 					}
 				},
 
 				replace: {
 					style:    'primary',
 					text:     l10n.replace,
 					priority: 20,
 					requires: { selection: true },
 
 					click: function() {
 						var controller = this.controller,
 							state = controller.state(),
 							selection = state.get( 'selection' ),
 							attachment = selection.single();
 
 						controller.close();
 
 						controller.image.changeAttachment( attachment, state.display( attachment ) );
 
 						// Not sure if we want to use wp.media.string.image which will create a shortcode or
 						// perhaps wp.html.string to at least to build the <img />.
 						state.trigger( 'replace', controller.image.toJSON() );
 
 						// Restore and reset the default state.
 						controller.setState( controller.options.state );
 						controller.reset();
 					}
 				}
 			}
 		}) );
 	}
 
 });
 
 module.exports = ImageDetails;
 
 
 /***/ }),
 
 /***/ "VMHs":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Embed
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Embed = wp.media.View.extend(/** @lends wp.media.view.Ember.prototype */{
 	className: 'media-embed',
 
 	initialize: function() {
 		/**
 		 * @member {wp.media.view.EmbedUrl}
 		 */
 		this.url = new wp.media.view.EmbedUrl({
 			controller: this.controller,
 			model:      this.model.props
 		}).render();
 
 		this.views.set([ this.url ]);
 		this.refresh();
 		this.listenTo( this.model, 'change:type', this.refresh );
 		this.listenTo( this.model, 'change:loading', this.loading );
 	},
 
 	/**
 	 * @param {Object} view
 	 */
 	settings: function( view ) {
 		if ( this._settings ) {
 			this._settings.remove();
 		}
 		this._settings = view;
 		this.views.add( view );
 	},
 
 	refresh: function() {
 		var type = this.model.get('type'),
 			constructor;
 
 		if ( 'image' === type ) {
 			constructor = wp.media.view.EmbedImage;
 		} else if ( 'link' === type ) {
 			constructor = wp.media.view.EmbedLink;
 		} else {
 			return;
 		}
 
 		this.settings( new constructor({
 			controller: this.controller,
 			model:      this.model.props,
 			priority:   40
 		}) );
 	},
 
 	loading: function() {
 		this.$el.toggleClass( 'embed-loading', this.model.get('loading') );
 	}
 });
 
 module.exports = Embed;
 
 
 /***/ }),
 
 /***/ "Vh02":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	UploaderStatus = wp.media.view.UploaderStatus,
 	l10n = wp.media.view.l10n,
 	$ = jQuery,
 	Cropper;
 
 /**
  * wp.media.view.Cropper
  *
  * Uses the imgAreaSelect plugin to allow a user to crop an image.
  *
  * Takes imgAreaSelect options from
  * wp.customize.HeaderControl.calculateImageSelectOptions via
  * wp.customize.HeaderControl.openMM.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Cropper = View.extend(/** @lends wp.media.view.Cropper.prototype */{
 	className: 'crop-content',
 	template: wp.template('crop-content'),
 	initialize: function() {
 		_.bindAll(this, 'onImageLoad');
 	},
 	ready: function() {
 		this.controller.frame.on('content:error:crop', this.onError, this);
 		this.$image = this.$el.find('.crop-image');
 		this.$image.on('load', this.onImageLoad);
 		$(window).on('resize.cropper', _.debounce(this.onImageLoad, 250));
 	},
 	remove: function() {
 		$(window).off('resize.cropper');
 		this.$el.remove();
 		this.$el.off();
 		View.prototype.remove.apply(this, arguments);
 	},
 	prepare: function() {
 		return {
 			title: l10n.cropYourImage,
 			url: this.options.attachment.get('url')
 		};
 	},
 	onImageLoad: function() {
 		var imgOptions = this.controller.get('imgSelectOptions'),
 			imgSelect;
 
 		if (typeof imgOptions === 'function') {
 			imgOptions = imgOptions(this.options.attachment, this.controller);
 		}
 
 		imgOptions = _.extend(imgOptions, {
 			parent: this.$el,
 			onInit: function() {
 
 				// Store the set ratio.
 				var setRatio = imgSelect.getOptions().aspectRatio;
 
 				// On mousedown, if no ratio is set and the Shift key is down, use a 1:1 ratio.
 				this.parent.children().on( 'mousedown touchstart', function( e ) {
 
 					// If no ratio is set and the shift key is down, use a 1:1 ratio.
 					if ( ! setRatio && e.shiftKey ) {
 						imgSelect.setOptions( {
 							aspectRatio: '1:1'
 						} );
 					}
 				} );
 
 				this.parent.children().on( 'mouseup touchend', function() {
 
 					// Restore the set ratio.
 					imgSelect.setOptions( {
 						aspectRatio: setRatio ? setRatio : false
 					} );
 				} );
 			}
 		} );
 		this.trigger('image-loaded');
 		imgSelect = this.controller.imgSelect = this.$image.imgAreaSelect(imgOptions);
 	},
 	onError: function() {
 		var filename = this.options.attachment.get('filename');
 
 		this.views.add( '.upload-errors', new wp.media.view.UploaderStatusError({
 			filename: UploaderStatus.prototype.filename(filename),
 			message: window._wpMediaViewsL10n.cropError
 		}), { at: 0 });
 	}
 });
 
 module.exports = Cropper;
 
 
 /***/ }),
 
 /***/ "VkcK":
 /***/ (function(module, exports) {
 
 var l10n = wp.media.view.l10n,
 	DateFilter;
 
 /**
  * A filter dropdown for month/dates.
  *
  * @memberOf wp.media.view.AttachmentFilters
  *
  * @class
  * @augments wp.media.view.AttachmentFilters
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 DateFilter = wp.media.view.AttachmentFilters.extend(/** @lends wp.media.view.AttachmentFilters.Date.prototype */{
 	id: 'media-attachment-date-filters',
 
 	createFilters: function() {
 		var filters = {};
 		_.each( wp.media.view.settings.months || {}, function( value, index ) {
 			filters[ index ] = {
 				text: value.text,
 				props: {
 					year: value.year,
 					monthnum: value.month
 				}
 			};
 		});
 		filters.all = {
 			text:  l10n.allDates,
 			props: {
 				monthnum: false,
 				year:  false
 			},
 			priority: 10
 		};
 		this.filters = filters;
 	}
 });
 
 module.exports = DateFilter;
 
 
 /***/ }),
 
 /***/ "W+32":
 /***/ (function(module, exports) {
 
 var Controller = wp.media.controller,
 	SiteIconCropper;
 
 /**
  * wp.media.controller.SiteIconCropper
  *
  * A state for cropping a Site Icon.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.Cropper
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  */
 SiteIconCropper = Controller.Cropper.extend(/** @lends wp.media.controller.SiteIconCropper.prototype */{
 	activate: function() {
 		this.frame.on( 'content:create:crop', this.createCropContent, this );
 		this.frame.on( 'close', this.removeCropper, this );
 		this.set('selection', new Backbone.Collection(this.frame._selection.single));
 	},
 
 	createCropContent: function() {
 		this.cropperView = new wp.media.view.SiteIconCropper({
 			controller: this,
 			attachment: this.get('selection').first()
 		});
 		this.cropperView.on('image-loaded', this.createCropToolbar, this);
 		this.frame.content.set(this.cropperView);
 
 	},
 
 	doCrop: function( attachment ) {
 		var cropDetails = attachment.get( 'cropDetails' ),
 			control = this.get( 'control' );
 
 		cropDetails.dst_width  = control.params.width;
 		cropDetails.dst_height = control.params.height;
 
 		return wp.ajax.post( 'crop-image', {
 			nonce: attachment.get( 'nonces' ).edit,
 			id: attachment.get( 'id' ),
 			context: 'site-icon',
 			cropDetails: cropDetails
 		} );
 	}
 });
 
 module.exports = SiteIconCropper;
 
 
 /***/ }),
 
 /***/ "WiNq":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.controller.Region
  *
  * A region is a persistent application layout area.
  *
  * A region assumes one mode at any time, and can be switched to another.
  *
  * When mode changes, events are triggered on the region's parent view.
  * The parent view will listen to specific events and fill the region with an
  * appropriate view depending on mode. For example, a frame listens for the
  * 'browse' mode t be activated on the 'content' view and then fills the region
  * with an AttachmentsBrowser view.
  *
  * @memberOf wp.media.controller
  *
  * @class
  *
  * @param {Object}        options          Options hash for the region.
  * @param {string}        options.id       Unique identifier for the region.
  * @param {Backbone.View} options.view     A parent view the region exists within.
  * @param {string}        options.selector jQuery selector for the region within the parent view.
  */
 var Region = function( options ) {
 	_.extend( this, _.pick( options || {}, 'id', 'view', 'selector' ) );
 };
 
 // Use Backbone's self-propagating `extend` inheritance method.
 Region.extend = Backbone.Model.extend;
 
 _.extend( Region.prototype,/** @lends wp.media.controller.Region.prototype */{
 	/**
 	 * Activate a mode.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {string} mode
 	 *
 	 * @fires Region#activate
 	 * @fires Region#deactivate
 	 *
 	 * @return {wp.media.controller.Region} Returns itself to allow chaining.
 	 */
 	mode: function( mode ) {
 		if ( ! mode ) {
 			return this._mode;
 		}
 		// Bail if we're trying to change to the current mode.
 		if ( mode === this._mode ) {
 			return this;
 		}
 
 		/**
 		 * Region mode deactivation event.
 		 *
 		 * @event wp.media.controller.Region#deactivate
 		 */
 		this.trigger('deactivate');
 
 		this._mode = mode;
 		this.render( mode );
 
 		/**
 		 * Region mode activation event.
 		 *
 		 * @event wp.media.controller.Region#activate
 		 */
 		this.trigger('activate');
 		return this;
 	},
 	/**
 	 * Render a mode.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {string} mode
 	 *
 	 * @fires Region#create
 	 * @fires Region#render
 	 *
 	 * @return {wp.media.controller.Region} Returns itself to allow chaining.
 	 */
 	render: function( mode ) {
 		// If the mode isn't active, activate it.
 		if ( mode && mode !== this._mode ) {
 			return this.mode( mode );
 		}
 
 		var set = { view: null },
 			view;
 
 		/**
 		 * Create region view event.
 		 *
 		 * Region view creation takes place in an event callback on the frame.
 		 *
 		 * @event wp.media.controller.Region#create
 		 * @type {object}
 		 * @property {object} view
 		 */
 		this.trigger( 'create', set );
 		view = set.view;
 
 		/**
 		 * Render region view event.
 		 *
 		 * Region view creation takes place in an event callback on the frame.
 		 *
 		 * @event wp.media.controller.Region#render
 		 * @type {object}
 		 */
 		this.trigger( 'render', view );
 		if ( view ) {
 			this.set( view );
 		}
 		return this;
 	},
 
 	/**
 	 * Get the region's view.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {wp.media.View}
 	 */
 	get: function() {
 		return this.view.views.first( this.selector );
 	},
 
 	/**
 	 * Set the region's view as a subview of the frame.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {Array|Object} views
 	 * @param {Object} [options={}]
 	 * @return {wp.Backbone.Subviews} Subviews is returned to allow chaining.
 	 */
 	set: function( views, options ) {
 		if ( options ) {
 			options.add = false;
 		}
 		return this.view.views.set( this.selector, views, options );
 	},
 
 	/**
 	 * Trigger regional view events on the frame.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {string} event
 	 * @return {undefined|wp.media.controller.Region} Returns itself to allow chaining.
 	 */
 	trigger: function( event ) {
 		var base, args;
 
 		if ( ! this._mode ) {
 			return;
 		}
 
 		args = _.toArray( arguments );
 		base = this.id + ':' + event;
 
 		// Trigger `{this.id}:{event}:{this._mode}` event on the frame.
 		args[0] = base + ':' + this._mode;
 		this.view.trigger.apply( this.view, args );
 
 		// Trigger `{this.id}:{event}` event on the frame.
 		args[0] = base;
 		this.view.trigger.apply( this.view, args );
 		return this;
 	}
 });
 
 module.exports = Region;
 
 
 /***/ }),
 
 /***/ "ZeG4":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.UploaderStatusError
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var UploaderStatusError = wp.media.View.extend(/** @lends wp.media.view.UploaderStatusError.prototype */{
 	className: 'upload-error',
 	template:  wp.template('uploader-status-error')
 });
 
 module.exports = UploaderStatusError;
 
 
 /***/ }),
 
 /***/ "ZgZ7":
 /***/ (function(module, exports) {
 
 var Search;
 
 /**
  * wp.media.view.Search
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Search = wp.media.View.extend(/** @lends wp.media.view.Search.prototype */{
 	tagName:   'input',
 	className: 'search',
 	id:        'media-search-input',
 
 	attributes: {
 		type: 'search'
 	},
 
 	events: {
 		'input': 'search'
 	},
 
 	/**
 	 * @return {wp.media.view.Search} Returns itself to allow chaining.
 	 */
 	render: function() {
 		this.el.value = this.model.escape('search');
 		return this;
 	},
 
 	search: _.debounce( function( event ) {
 		var searchTerm = event.target.value.trim();
 
 		// Trigger the search only after 2 ASCII characters.
 		if ( searchTerm && searchTerm.length > 1 ) {
 			this.model.set( 'search', searchTerm );
 		} else {
 			this.model.unset( 'search' );
 		}
 	}, 500 )
 });
 
 module.exports = Search;
 
 
 /***/ }),
 
 /***/ "aBqq":
 /***/ (function(module, exports) {
 
 var Library = wp.media.controller.Library,
 	l10n = wp.media.view.l10n,
 	ReplaceImage;
 
 /**
  * wp.media.controller.ReplaceImage
  *
  * A state for replacing an image.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.Library
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @param {object}                     [attributes]                         The attributes hash passed to the state.
  * @param {string}                     [attributes.id=replace-image]        Unique identifier.
  * @param {string}                     [attributes.title=Replace Image]     Title for the state. Displays in the media menu and the frame's title region.
  * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
  *                                                                          If one is not supplied, a collection of all images will be created.
  * @param {boolean}                    [attributes.multiple=false]          Whether multi-select is enabled.
  * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
  *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
  * @param {string}                     [attributes.menu=default]            Initial mode for the menu region.
  * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
  * @param {string}                     [attributes.toolbar=replace]         Initial mode for the toolbar region.
  * @param {int}                        [attributes.priority=60]             The priority for the state link in the media menu.
  * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
  * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
  *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
  * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
  * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
  * @param {boolean}                    [attributes.describe=false]          Whether to offer UI to describe attachments - e.g. captioning images in a gallery.
  * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
  * @param {boolean}                    [attributes.syncSelection=true]      Whether the Attachments selection should be persisted from the last state.
  */
 ReplaceImage = Library.extend(/** @lends wp.media.controller.ReplaceImage.prototype */{
 	defaults: _.defaults({
 		id:            'replace-image',
 		title:         l10n.replaceImageTitle,
 		multiple:      false,
 		filterable:    'uploaded',
 		toolbar:       'replace',
 		menu:          false,
 		priority:      60,
 		syncSelection: true
 	}, Library.prototype.defaults ),
 
 	/**
 	 * @since 3.9.0
 	 *
 	 * @param options
 	 */
 	initialize: function( options ) {
 		var library, comparator;
 
 		this.image = options.image;
 		// If we haven't been provided a `library`, create a `Selection`.
 		if ( ! this.get('library') ) {
 			this.set( 'library', wp.media.query({ type: 'image' }) );
 		}
 
 		Library.prototype.initialize.apply( this, arguments );
 
 		library    = this.get('library');
 		comparator = library.comparator;
 
 		// Overload the library's comparator to push items that are not in
 		// the mirrored query to the front of the aggregate collection.
 		library.comparator = function( a, b ) {
 			var aInQuery = !! this.mirroring.get( a.cid ),
 				bInQuery = !! this.mirroring.get( b.cid );
 
 			if ( ! aInQuery && bInQuery ) {
 				return -1;
 			} else if ( aInQuery && ! bInQuery ) {
 				return 1;
 			} else {
 				return comparator.apply( this, arguments );
 			}
 		};
 
 		// Add all items in the selection to the library, so any featured
 		// images that are not initially loaded still appear.
 		library.observe( this.get('selection') );
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	activate: function() {
 		this.updateSelection();
 		Library.prototype.activate.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	updateSelection: function() {
 		var selection = this.get('selection'),
 			attachment = this.image.attachment;
 
 		selection.reset( attachment ? [ attachment ] : [] );
 	}
 });
 
 module.exports = ReplaceImage;
 
 
 /***/ }),
 
 /***/ "cH3P":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Spinner
  *
  * Represents a spinner in the Media Library.
  *
  * @since 3.9.0
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Spinner = wp.media.View.extend(/** @lends wp.media.view.Spinner.prototype */{
 	tagName:   'span',
 	className: 'spinner',
 	spinnerTimeout: false,
 	delay: 400,
 
 	/**
 	 * Shows the spinner. Delays the visibility by the configured amount.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @return {wp.media.view.Spinner} The spinner.
 	 */
 	show: function() {
 		if ( ! this.spinnerTimeout ) {
 			this.spinnerTimeout = _.delay(function( $el ) {
 				$el.addClass( 'is-active' );
 			}, this.delay, this.$el );
 		}
 
 		return this;
 	},
 
 	/**
 	 * Hides the spinner.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @return {wp.media.view.Spinner} The spinner.
 	 */
 	hide: function() {
 		this.$el.removeClass( 'is-active' );
 		this.spinnerTimeout = clearTimeout( this.spinnerTimeout );
 
 		return this;
 	}
 });
 
 module.exports = Spinner;
 
 
 /***/ }),
 
 /***/ "d3xu":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	$ = jQuery,
 	SiteIconPreview;
 
 /**
  * wp.media.view.SiteIconPreview
  *
  * Shows a preview of the Site Icon as a favicon and app icon while cropping.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 SiteIconPreview = View.extend(/** @lends wp.media.view.SiteIconPreview.prototype */{
 	className: 'site-icon-preview',
 	template: wp.template( 'site-icon-preview' ),
 
 	ready: function() {
 		this.controller.imgSelect.setOptions({
 			onInit: this.updatePreview,
 			onSelectChange: this.updatePreview
 		});
 	},
 
 	prepare: function() {
 		return {
 			url: this.options.attachment.get( 'url' )
 		};
 	},
 
 	updatePreview: function( img, coords ) {
 		var rx = 64 / coords.width,
 			ry = 64 / coords.height,
 			preview_rx = 16 / coords.width,
 			preview_ry = 16 / coords.height;
 
 		$( '#preview-app-icon' ).css({
 			width: Math.round(rx * this.imageWidth ) + 'px',
 			height: Math.round(ry * this.imageHeight ) + 'px',
 			marginLeft: '-' + Math.round(rx * coords.x1) + 'px',
 			marginTop: '-' + Math.round(ry * coords.y1) + 'px'
 		});
 
 		$( '#preview-favicon' ).css({
 			width: Math.round( preview_rx * this.imageWidth ) + 'px',
 			height: Math.round( preview_ry * this.imageHeight ) + 'px',
 			marginLeft: '-' + Math.round( preview_rx * coords.x1 ) + 'px',
 			marginTop: '-' + Math.floor( preview_ry* coords.y1 ) + 'px'
 		});
 	}
 });
 
 module.exports = SiteIconPreview;
 
 
 /***/ }),
 
 /***/ "dpRc":
 /***/ (function(module, exports) {
 
 var MenuItem;
 
 /**
  * wp.media.view.MenuItem
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 MenuItem = wp.media.View.extend(/** @lends wp.media.view.MenuItem.prototype */{
 	tagName:   'button',
 	className: 'media-menu-item',
 
 	attributes: {
 		type: 'button',
 		role: 'tab'
 	},
 
 	events: {
 		'click': '_click'
 	},
 
 	/**
 	 * Allows to override the click event.
 	 */
 	_click: function() {
 		var clickOverride = this.options.click;
 
 		if ( clickOverride ) {
 			clickOverride.call( this );
 		} else {
 			this.click();
 		}
 	},
 
 	click: function() {
 		var state = this.options.state;
 
 		if ( state ) {
 			this.controller.setState( state );
 			// Toggle the menu visibility in the responsive view.
 			this.views.parent.$el.removeClass( 'visible' ); // @todo Or hide on any click, see below.
 		}
 	},
 
 	/**
 	 * @return {wp.media.view.MenuItem} returns itself to allow chaining.
 	 */
 	render: function() {
 		var options = this.options,
 			menuProperty = options.state || options.contentMode;
 
 		if ( options.text ) {
 			this.$el.text( options.text );
 		} else if ( options.html ) {
 			this.$el.html( options.html );
 		}
 
 		// Set the menu item ID based on the frame state associated to the menu item.
 		this.$el.attr( 'id', 'menu-item-' + menuProperty );
 
 		return this;
 	}
 });
 
 module.exports = MenuItem;
 
 
 /***/ }),
 
 /***/ "eqTc":
 /***/ (function(module, exports) {
 
 var Controller = wp.media.controller,
 	CustomizeImageCropper;
 
 /**
  * A state for cropping an image in the customizer.
  *
  * @since 4.3.0
  *
  * @constructs wp.media.controller.CustomizeImageCropper
  * @memberOf wp.media.controller
  * @augments wp.media.controller.CustomizeImageCropper.Cropper
  * @inheritDoc
  */
 CustomizeImageCropper = Controller.Cropper.extend(/** @lends wp.media.controller.CustomizeImageCropper.prototype */{
 	/**
 	 * Posts the crop details to the admin.
 	 *
 	 * Uses crop measurements when flexible in both directions.
 	 * Constrains flexible side based on image ratio and size of the fixed side.
 	 *
 	 * @since 4.3.0
 	 *
 	 * @param {Object} attachment The attachment to crop.
 	 *
 	 * @return {$.promise} A jQuery promise that represents the crop image request.
 	 */
 	doCrop: function( attachment ) {
 		var cropDetails = attachment.get( 'cropDetails' ),
 			control = this.get( 'control' ),
 			ratio = cropDetails.width / cropDetails.height;
 
 		// Use crop measurements when flexible in both directions.
 		if ( control.params.flex_width && control.params.flex_height ) {
 			cropDetails.dst_width  = cropDetails.width;
 			cropDetails.dst_height = cropDetails.height;
 
 		// Constrain flexible side based on image ratio and size of the fixed side.
 		} else {
 			cropDetails.dst_width  = control.params.flex_width  ? control.params.height * ratio : control.params.width;
 			cropDetails.dst_height = control.params.flex_height ? control.params.width  / ratio : control.params.height;
 		}
 
 		return wp.ajax.post( 'crop-image', {
 			wp_customize: 'on',
 			nonce: attachment.get( 'nonces' ).edit,
 			id: attachment.get( 'id' ),
 			context: control.id,
 			cropDetails: cropDetails
 		} );
 	}
 });
 
 module.exports = CustomizeImageCropper;
 
 
 /***/ }),
 
 /***/ "fYN4":
 /***/ (function(module, exports) {
 
 var MediaFrame = wp.media.view.MediaFrame,
 	l10n = wp.media.view.l10n,
 	Select;
 
 /**
  * wp.media.view.MediaFrame.Select
  *
  * A frame for selecting an item or items from the media library.
  *
  * @memberOf wp.media.view.MediaFrame
  *
  * @class
  * @augments wp.media.view.MediaFrame
  * @augments wp.media.view.Frame
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  * @mixes wp.media.controller.StateMachine
  */
 Select = MediaFrame.extend(/** @lends wp.media.view.MediaFrame.Select.prototype */{
 	initialize: function() {
 		// Call 'initialize' directly on the parent class.
 		MediaFrame.prototype.initialize.apply( this, arguments );
 
 		_.defaults( this.options, {
 			selection: [],
 			library:   {},
 			multiple:  false,
 			state:    'library'
 		});
 
 		this.createSelection();
 		this.createStates();
 		this.bindHandlers();
 	},
 
 	/**
 	 * Attach a selection collection to the frame.
 	 *
 	 * A selection is a collection of attachments used for a specific purpose
 	 * by a media frame. e.g. Selecting an attachment (or many) to insert into
 	 * post content.
 	 *
 	 * @see media.model.Selection
 	 */
 	createSelection: function() {
 		var selection = this.options.selection;
 
 		if ( ! (selection instanceof wp.media.model.Selection) ) {
 			this.options.selection = new wp.media.model.Selection( selection, {
 				multiple: this.options.multiple
 			});
 		}
 
 		this._selection = {
 			attachments: new wp.media.model.Attachments(),
 			difference: []
 		};
 	},
 
 	editImageContent: function() {
 		var image = this.state().get('image'),
 			view = new wp.media.view.EditImage( { model: image, controller: this } ).render();
 
 		this.content.set( view );
 
 		// After creating the wrapper view, load the actual editor via an Ajax call.
 		view.loadEditor();
 	},
 
 	/**
 	 * Create the default states on the frame.
 	 */
 	createStates: function() {
 		var options = this.options;
 
 		if ( this.options.states ) {
 			return;
 		}
 
 		// Add the default states.
 		this.states.add([
 			// Main states.
 			new wp.media.controller.Library({
 				library:   wp.media.query( options.library ),
 				multiple:  options.multiple,
 				title:     options.title,
 				priority:  20
 			}),
 			new wp.media.controller.EditImage( { model: options.editImage } )
 		]);
 	},
 
 	/**
 	 * Bind region mode event callbacks.
 	 *
 	 * @see media.controller.Region.render
 	 */
 	bindHandlers: function() {
 		this.on( 'router:create:browse', this.createRouter, this );
 		this.on( 'router:render:browse', this.browseRouter, this );
 		this.on( 'content:create:browse', this.browseContent, this );
 		this.on( 'content:render:upload', this.uploadContent, this );
 		this.on( 'toolbar:create:select', this.createSelectToolbar, this );
 		this.on( 'content:render:edit-image', this.editImageContent, this );
 	},
 
 	/**
 	 * Render callback for the router region in the `browse` mode.
 	 *
 	 * @param {wp.media.view.Router} routerView
 	 */
 	browseRouter: function( routerView ) {
 		routerView.set({
 			upload: {
 				text:     l10n.uploadFilesTitle,
 				priority: 20
 			},
 			browse: {
 				text:     l10n.mediaLibraryTitle,
 				priority: 40
 			}
 		});
 	},
 
 	/**
 	 * Render callback for the content region in the `browse` mode.
 	 *
 	 * @param {wp.media.controller.Region} contentRegion
 	 */
 	browseContent: function( contentRegion ) {
 		var state = this.state();
 
 		this.$el.removeClass('hide-toolbar');
 
 		// Browse our library of attachments.
 		contentRegion.view = new wp.media.view.AttachmentsBrowser({
 			controller: this,
 			collection: state.get('library'),
 			selection:  state.get('selection'),
 			model:      state,
 			sortable:   state.get('sortable'),
 			search:     state.get('searchable'),
 			filters:    state.get('filterable'),
 			date:       state.get('date'),
 			display:    state.has('display') ? state.get('display') : state.get('displaySettings'),
 			dragInfo:   state.get('dragInfo'),
 
 			idealColumnWidth: state.get('idealColumnWidth'),
 			suggestedWidth:   state.get('suggestedWidth'),
 			suggestedHeight:  state.get('suggestedHeight'),
 
 			AttachmentView: state.get('AttachmentView')
 		});
 	},
 
 	/**
 	 * Render callback for the content region in the `upload` mode.
 	 */
 	uploadContent: function() {
 		this.$el.removeClass( 'hide-toolbar' );
 		this.content.set( new wp.media.view.UploaderInline({
 			controller: this
 		}) );
 	},
 
 	/**
 	 * Toolbars
 	 *
 	 * @param {Object} toolbar
 	 * @param {Object} [options={}]
 	 * @this wp.media.controller.Region
 	 */
 	createSelectToolbar: function( toolbar, options ) {
 		options = options || this.options.button || {};
 		options.controller = this;
 
 		toolbar.view = new wp.media.view.Toolbar.Select( options );
 	}
 });
 
 module.exports = Select;
 
 
 /***/ }),
 
 /***/ "gOpb":
 /***/ (function(module, exports) {
 
 var $ = jQuery,
 	Modal;
 
 /**
  * wp.media.view.Modal
  *
  * A modal view, which the media modal uses as its default container.
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Modal = wp.media.View.extend(/** @lends wp.media.view.Modal.prototype */{
 	tagName:  'div',
 	template: wp.template('media-modal'),
 
 	events: {
 		'click .media-modal-backdrop, .media-modal-close': 'escapeHandler',
 		'keydown': 'keydown'
 	},
 
 	clickedOpenerEl: null,
 
 	initialize: function() {
 		_.defaults( this.options, {
 			container:      document.body,
 			title:          '',
 			propagate:      true,
 			hasCloseButton: true
 		});
 
 		this.focusManager = new wp.media.view.FocusManager({
 			el: this.el
 		});
 	},
 	/**
 	 * @return {Object}
 	 */
 	prepare: function() {
 		return {
 			title:          this.options.title,
 			hasCloseButton: this.options.hasCloseButton
 		};
 	},
 
 	/**
 	 * @return {wp.media.view.Modal} Returns itself to allow chaining.
 	 */
 	attach: function() {
 		if ( this.views.attached ) {
 			return this;
 		}
 
 		if ( ! this.views.rendered ) {
 			this.render();
 		}
 
 		this.$el.appendTo( this.options.container );
 
 		// Manually mark the view as attached and trigger ready.
 		this.views.attached = true;
 		this.views.ready();
 
 		return this.propagate('attach');
 	},
 
 	/**
 	 * @return {wp.media.view.Modal} Returns itself to allow chaining.
 	 */
 	detach: function() {
 		if ( this.$el.is(':visible') ) {
 			this.close();
 		}
 
 		this.$el.detach();
 		this.views.attached = false;
 		return this.propagate('detach');
 	},
 
 	/**
 	 * @return {wp.media.view.Modal} Returns itself to allow chaining.
 	 */
 	open: function() {
 		var $el = this.$el,
 			mceEditor;
 
 		if ( $el.is(':visible') ) {
 			return this;
 		}
 
 		this.clickedOpenerEl = document.activeElement;
 
 		if ( ! this.views.attached ) {
 			this.attach();
 		}
 
 		// Disable page scrolling.
 		$( 'body' ).addClass( 'modal-open' );
 
 		$el.show();
 
 		// Try to close the onscreen keyboard.
 		if ( 'ontouchend' in document ) {
 			if ( ( mceEditor = window.tinymce && window.tinymce.activeEditor ) && ! mceEditor.isHidden() && mceEditor.iframeElement ) {
 				mceEditor.iframeElement.focus();
 				mceEditor.iframeElement.blur();
 
 				setTimeout( function() {
 					mceEditor.iframeElement.blur();
 				}, 100 );
 			}
 		}
 
 		// Set initial focus on the content instead of this view element, to avoid page scrolling.
 		this.$( '.media-modal' ).trigger( 'focus' );
 
 		// Hide the page content from assistive technologies.
 		this.focusManager.setAriaHiddenOnBodyChildren( $el );
 
 		return this.propagate('open');
 	},
 
 	/**
 	 * @param {Object} options
 	 * @return {wp.media.view.Modal} Returns itself to allow chaining.
 	 */
 	close: function( options ) {
 		if ( ! this.views.attached || ! this.$el.is(':visible') ) {
 			return this;
 		}
 
 		// Pause current audio/video even after closing the modal.
 		$( '.mejs-pause button' ).trigger( 'click' );
 
 		// Enable page scrolling.
 		$( 'body' ).removeClass( 'modal-open' );
 
 		// Hide modal and remove restricted media modal tab focus once it's closed.
 		this.$el.hide().off( 'keydown' );
 
 		/*
 		 * Make visible again to assistive technologies all body children that
 		 * have been made hidden when the modal opened.
 		 */
 		this.focusManager.removeAriaHiddenFromBodyChildren();
 
 		// Move focus back in useful location once modal is closed.
 		if ( null !== this.clickedOpenerEl ) {
 			// Move focus back to the element that opened the modal.
 			this.clickedOpenerEl.focus();
 		} else {
 			// Fallback to the admin page main element.
 			$( '#wpbody-content' )
 				.attr( 'tabindex', '-1' )
 				.trigger( 'focus' );
 		}
 
 		this.propagate('close');
 
 		if ( options && options.escape ) {
 			this.propagate('escape');
 		}
 
 		return this;
 	},
 	/**
 	 * @return {wp.media.view.Modal} Returns itself to allow chaining.
 	 */
 	escape: function() {
 		return this.close({ escape: true });
 	},
 	/**
 	 * @param {Object} event
 	 */
 	escapeHandler: function( event ) {
 		event.preventDefault();
 		this.escape();
 	},
 
 	/**
 	 * @param {Array|Object} content Views to register to '.media-modal-content'
 	 * @return {wp.media.view.Modal} Returns itself to allow chaining.
 	 */
 	content: function( content ) {
 		this.views.set( '.media-modal-content', content );
 		return this;
 	},
 
 	/**
 	 * Triggers a modal event and if the `propagate` option is set,
 	 * forwards events to the modal's controller.
 	 *
 	 * @param {string} id
 	 * @return {wp.media.view.Modal} Returns itself to allow chaining.
 	 */
 	propagate: function( id ) {
 		this.trigger( id );
 
 		if ( this.options.propagate ) {
 			this.controller.trigger( id );
 		}
 
 		return this;
 	},
 	/**
 	 * @param {Object} event
 	 */
 	keydown: function( event ) {
 		// Close the modal when escape is pressed.
 		if ( 27 === event.which && this.$el.is(':visible') ) {
 			this.escape();
 			event.stopImmediatePropagation();
 		}
 	}
 });
 
 module.exports = Modal;
 
 
 /***/ }),
 
 /***/ "ibOK":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	EditImage;
 
 /**
  * wp.media.view.EditImage
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 EditImage = View.extend(/** @lends wp.media.view.EditImage.prototype */{
 	className: 'image-editor',
 	template: wp.template('image-editor'),
 
 	initialize: function( options ) {
 		this.editor = window.imageEdit;
 		this.controller = options.controller;
 		View.prototype.initialize.apply( this, arguments );
 	},
 
 	prepare: function() {
 		return this.model.toJSON();
 	},
 
 	loadEditor: function() {
 		this.editor.open( this.model.get( 'id' ), this.model.get( 'nonces' ).edit, this );
 	},
 
 	back: function() {
 		var lastState = this.controller.lastState();
 		this.controller.setState( lastState );
 	},
 
 	refresh: function() {
 		this.model.fetch();
 	},
 
 	save: function() {
 		var lastState = this.controller.lastState();
 
 		this.model.fetch().done( _.bind( function() {
 			this.controller.setState( lastState );
 		}, this ) );
 	}
 
 });
 
 module.exports = EditImage;
 
 
 /***/ }),
 
 /***/ "iipZ":
 /***/ (function(module, exports) {
 
 var Selection = wp.media.model.Selection,
 	Library = wp.media.controller.Library,
 	CollectionAdd;
 
 /**
  * wp.media.controller.CollectionAdd
  *
  * A state for adding attachments to a collection (e.g. video playlist).
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.Library
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @param {object}                     [attributes]                         The attributes hash passed to the state.
  * @param {string}                     [attributes.id=library]              Unique identifier.
  * @param {string}                     attributes.title                     Title for the state. Displays in the frame's title region.
  * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
  * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
  *                                                                          If one is not supplied, a collection of attachments of the specified type will be created.
  * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
  *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
  * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
  * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
  *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
  * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
  * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
  * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
  * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
  * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
  * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
  * @param {int}                        [attributes.priority=100]            The priority for the state link in the media menu.
  * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
  *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
  * @param {string}                     attributes.type                      The collection's media type. (e.g. 'video').
  * @param {string}                     attributes.collectionType            The collection type. (e.g. 'playlist').
  */
 CollectionAdd = Library.extend(/** @lends wp.media.controller.CollectionAdd.prototype */{
 	defaults: _.defaults( {
 		// Selection defaults. @see media.model.Selection
 		multiple:      'add',
 		// Attachments browser defaults. @see media.view.AttachmentsBrowser
 		filterable:    'uploaded',
 
 		priority:      100,
 		syncSelection: false
 	}, Library.prototype.defaults ),
 
 	/**
 	 * @since 3.9.0
 	 */
 	initialize: function() {
 		var collectionType = this.get('collectionType');
 
 		if ( 'video' === this.get( 'type' ) ) {
 			collectionType = 'video-' + collectionType;
 		}
 
 		this.set( 'id', collectionType + '-library' );
 		this.set( 'toolbar', collectionType + '-add' );
 		this.set( 'menu', collectionType );
 
 		// If we haven't been provided a `library`, create a `Selection`.
 		if ( ! this.get('library') ) {
 			this.set( 'library', wp.media.query({ type: this.get('type') }) );
 		}
 		Library.prototype.initialize.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	activate: function() {
 		var library = this.get('library'),
 			editLibrary = this.get('editLibrary'),
 			edit = this.frame.state( this.get('collectionType') + '-edit' ).get('library');
 
 		if ( editLibrary && editLibrary !== edit ) {
 			library.unobserve( editLibrary );
 		}
 
 		// Accepts attachments that exist in the original library and
 		// that do not exist in gallery's library.
 		library.validator = function( attachment ) {
 			return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
 		};
 
 		/*
 		 * Reset the library to ensure that all attachments are re-added
 		 * to the collection. Do so silently, as calling `observe` will
 		 * trigger the `reset` event.
 		 */
 		library.reset( library.mirroring.models, { silent: true });
 		library.observe( edit );
 		this.set('editLibrary', edit);
 
 		Library.prototype.activate.apply( this, arguments );
 	}
 });
 
 module.exports = CollectionAdd;
 
 
 /***/ }),
 
 /***/ "iupV":
 /***/ (function(module, exports) {
 
 /* global ClipboardJS */
 var Attachment = wp.media.view.Attachment,
 	l10n = wp.media.view.l10n,
 	$ = jQuery,
 	Details,
 	__ = wp.i18n.__;
 
 Details = Attachment.extend(/** @lends wp.media.view.Attachment.Details.prototype */{
 	tagName:   'div',
 	className: 'attachment-details',
 	template:  wp.template('attachment-details'),
 
 	/*
 	 * Reset all the attributes inherited from Attachment including role=checkbox,
 	 * tabindex, etc., as they are inappropriate for this view. See #47458 and [30483] / #30390.
 	 */
 	attributes: {},
 
 	events: {
 		'change [data-setting]':          'updateSetting',
 		'change [data-setting] input':    'updateSetting',
 		'change [data-setting] select':   'updateSetting',
 		'change [data-setting] textarea': 'updateSetting',
 		'click .delete-attachment':       'deleteAttachment',
 		'click .trash-attachment':        'trashAttachment',
 		'click .untrash-attachment':      'untrashAttachment',
 		'click .edit-attachment':         'editAttachment',
 		'keydown':                        'toggleSelectionHandler'
 	},
 
 	/**
 	 * Copies the attachment URL to the clipboard.
 	 *
 	 * @since 5.5.0
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
 	 * @return {void}
 	 */
 	 copyAttachmentDetailsURLClipboard: function() {
 		var clipboard = new ClipboardJS( '.copy-attachment-url' ),
 			successTimeout;
 
 		clipboard.on( 'success', function( event ) {
 			var triggerElement = $( event.trigger ),
 				successElement = $( '.success', triggerElement.closest( '.copy-to-clipboard-container' ) );
 
 			// Clear the selection and move focus back to the trigger.
 			event.clearSelection();
 			// Handle ClipboardJS focus bug, see https://github.com/zenorocha/clipboard.js/issues/680
 			triggerElement.trigger( 'focus' );
 
 			// Show success visual feedback.
 			clearTimeout( successTimeout );
 			successElement.removeClass( 'hidden' );
 
 			// Hide success visual feedback after 3 seconds since last success.
 			successTimeout = setTimeout( function() {
 				successElement.addClass( 'hidden' );
 			}, 3000 );
 
 			// Handle success audible feedback.
 			wp.a11y.speak( __( 'The file URL has been copied to your clipboard' ) );
 		} );
 	 },
 
 	/**
 	 * Shows the details of an attachment.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @constructs wp.media.view.Attachment.Details
 	 * @augments wp.media.view.Attachment
 	 *
 	 * @return {void}
 	 */
 	initialize: function() {
 		this.options = _.defaults( this.options, {
 			rerenderOnModelChange: false
 		});
 
 		// Call 'initialize' directly on the parent class.
 		Attachment.prototype.initialize.apply( this, arguments );
 
 		this.copyAttachmentDetailsURLClipboard();
 	},
 
 	/**
 	 * Gets the focusable elements to move focus to.
 	 *
 	 * @since 5.3.0
 	 */
 	getFocusableElements: function() {
 		var editedAttachment = $( 'li[data-id="' + this.model.id + '"]' );
 
 		this.previousAttachment = editedAttachment.prev();
 		this.nextAttachment = editedAttachment.next();
 	},
 
 	/**
 	 * Moves focus to the previous or next attachment in the grid.
 	 * Fallbacks to the upload button or media frame when there are no attachments.
 	 *
 	 * @since 5.3.0
 	 */
 	moveFocus: function() {
 		if ( this.previousAttachment.length ) {
 			this.previousAttachment.trigger( 'focus' );
 			return;
 		}
 
 		if ( this.nextAttachment.length ) {
 			this.nextAttachment.trigger( 'focus' );
 			return;
 		}
 
 		// Fallback: move focus to the "Select Files" button in the media modal.
 		if ( this.controller.uploader && this.controller.uploader.$browser ) {
 			this.controller.uploader.$browser.trigger( 'focus' );
 			return;
 		}
 
 		// Last fallback.
 		this.moveFocusToLastFallback();
 	},
 
 	/**
 	 * Moves focus to the media frame as last fallback.
 	 *
 	 * @since 5.3.0
 	 */
 	moveFocusToLastFallback: function() {
 		// Last fallback: make the frame focusable and move focus to it.
 		$( '.media-frame' )
 			.attr( 'tabindex', '-1' )
 			.trigger( 'focus' );
 	},
 
 	/**
 	 * Deletes an attachment.
 	 *
 	 * Deletes an attachment after asking for confirmation. After deletion,
 	 * keeps focus in the modal.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
 	 * @return {void}
 	 */
 	deleteAttachment: function( event ) {
 		event.preventDefault();
 
 		this.getFocusableElements();
 
 		if ( window.confirm( l10n.warnDelete ) ) {
 			this.model.destroy();
 			this.moveFocus();
 		}
 	},
 
 	/**
 	 * Sets the Trash state on an attachment, or destroys the model itself.
 	 *
 	 * If the mediaTrash setting is set to true, trashes the attachment.
 	 * Otherwise, the model itself is destroyed.
 	 *
 	 * @since 3.9.0
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
 	 * @return {void}
 	 */
 	trashAttachment: function( event ) {
 		var library = this.controller.library,
 			self = this;
 		event.preventDefault();
 
 		this.getFocusableElements();
 
 		// When in the Media Library and the Media Trash is enabled.
 		if ( wp.media.view.settings.mediaTrash &&
 			'edit-metadata' === this.controller.content.mode() ) {
 
 			this.model.set( 'status', 'trash' );
 			this.model.save().done( function() {
 				library._requery( true );
 				/*
 				 * @todo We need to move focus back to the previous, next, or first
 				 * attachment but the library gets re-queried and refreshed.
 				 * Thus, the references to the previous attachments are lost.
 				 * We need an alternate method.
 				 */
 				self.moveFocusToLastFallback();
 			} );
 		} else {
 			this.model.destroy();
 			this.moveFocus();
 		}
 	},
 
 	/**
 	 * Untrashes an attachment.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
 	 * @return {void}
 	 */
 	untrashAttachment: function( event ) {
 		var library = this.controller.library;
 		event.preventDefault();
 
 		this.model.set( 'status', 'inherit' );
 		this.model.save().done( function() {
 			library._requery( true );
 		} );
 	},
 
 	/**
 	 * Opens the edit page for a specific attachment.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {MouseEvent} event A click event.
 	 *
 	 * @return {void}
 	 */
 	editAttachment: function( event ) {
 		var editState = this.controller.states.get( 'edit-image' );
 		if ( window.imageEdit && editState ) {
 			event.preventDefault();
 
 			editState.set( 'image', this.model );
 			this.controller.setState( 'edit-image' );
 		} else {
 			this.$el.addClass('needs-refresh');
 		}
 	},
 
 	/**
 	 * Triggers an event on the controller when reverse tabbing (shift+tab).
 	 *
 	 * This event can be used to make sure to move the focus correctly.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @fires wp.media.controller.MediaLibrary#attachment:details:shift-tab
 	 * @fires wp.media.controller.MediaLibrary#attachment:keydown:arrow
 	 *
 	 * @param {KeyboardEvent} event A keyboard event.
 	 *
 	 * @return {boolean|void} Returns false or undefined.
 	 */
 	toggleSelectionHandler: function( event ) {
 		if ( 'keydown' === event.type && 9 === event.keyCode && event.shiftKey && event.target === this.$( ':tabbable' ).get( 0 ) ) {
 			this.controller.trigger( 'attachment:details:shift-tab', event );
 			return false;
 		}
 	},
 
 	render: function() {
 		Attachment.prototype.render.apply( this, arguments );
 
 		wp.media.mixin.removeAllPlayers();
 		this.$( 'audio, video' ).each( function (i, elem) {
 			var el = wp.media.view.MediaDetails.prepareSrc( elem );
 			new window.MediaElementPlayer( el, wp.media.mixin.mejsSettings );
 		} );
 	}
 });
 
 module.exports = Details;
 
 
 /***/ }),
 
 /***/ "l2j4":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Heading
  *
  * A reusable heading component for the media library
  *
  * Used to add accessibility friendly headers in the media library/modal.
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Heading = wp.media.View.extend( {
 	tagName: function() {
 		return this.options.level || 'h1';
 	},
 	className: 'media-views-heading',
 
 	initialize: function() {
 
 		if ( this.options.className ) {
 			this.$el.addClass( this.options.className );
 		}
 
 		this.text = this.options.text;
 	},
 
 	render: function() {
 		this.$el.html( this.text );
 		return this;
 	}
 } );
 
 module.exports = Heading;
 
 
 /***/ }),
 
 /***/ "mVaH":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.controller.MediaLibrary
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.Library
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  */
 var Library = wp.media.controller.Library,
 	MediaLibrary;
 
 MediaLibrary = Library.extend(/** @lends wp.media.controller.MediaLibrary.prototype */{
 	defaults: _.defaults({
 		// Attachments browser defaults. @see media.view.AttachmentsBrowser
 		filterable:      'uploaded',
 
 		displaySettings: false,
 		priority:        80,
 		syncSelection:   false
 	}, Library.prototype.defaults ),
 
 	/**
 	 * @since 3.9.0
 	 *
 	 * @param options
 	 */
 	initialize: function( options ) {
 		this.media = options.media;
 		this.type = options.type;
 		this.set( 'library', wp.media.query({ type: this.type }) );
 
 		Library.prototype.initialize.apply( this, arguments );
 	},
 
 	/**
 	 * @since 3.9.0
 	 */
 	activate: function() {
 		// @todo this should use this.frame.
 		if ( wp.media.frame.lastMime ) {
 			this.set( 'library', wp.media.query({ type: wp.media.frame.lastMime }) );
 			delete wp.media.frame.lastMime;
 		}
 		Library.prototype.activate.apply( this, arguments );
 	}
 });
 
 module.exports = MediaLibrary;
 
 
 /***/ }),
 
 /***/ "ng6N":
 /***/ (function(module, exports) {
 
 var Selection = wp.media.model.Selection,
 	Library = wp.media.controller.Library,
 	l10n = wp.media.view.l10n,
 	GalleryAdd;
 
 /**
  * wp.media.controller.GalleryAdd
  *
  * A state for selecting more images to add to a gallery.
  *
  * @since 3.5.0
  *
  * @class
  * @augments wp.media.controller.Library
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @memberof wp.media.controller
  *
  * @param {Object}                     [attributes]                         The attributes hash passed to the state.
  * @param {string}                     [attributes.id=gallery-library]      Unique identifier.
  * @param {string}                     [attributes.title=Add to Gallery]    Title for the state. Displays in the frame's title region.
  * @param {boolean}                    [attributes.multiple=add]            Whether multi-select is enabled. @todo 'add' doesn't seem do anything special, and gets used as a boolean.
  * @param {wp.media.model.Attachments} [attributes.library]                 The attachments collection to browse.
  *                                                                          If one is not supplied, a collection of all images will be created.
  * @param {boolean|string}             [attributes.filterable=uploaded]     Whether the library is filterable, and if so what filters should be shown.
  *                                                                          Accepts 'all', 'uploaded', or 'unattached'.
  * @param {string}                     [attributes.menu=gallery]            Initial mode for the menu region.
  * @param {string}                     [attributes.content=upload]          Initial mode for the content region.
  *                                                                          Overridden by persistent user setting if 'contentUserSetting' is true.
  * @param {string}                     [attributes.router=browse]           Initial mode for the router region.
  * @param {string}                     [attributes.toolbar=gallery-add]     Initial mode for the toolbar region.
  * @param {boolean}                    [attributes.searchable=true]         Whether the library is searchable.
  * @param {boolean}                    [attributes.sortable=true]           Whether the Attachments should be sortable. Depends on the orderby property being set to menuOrder on the attachments collection.
  * @param {boolean}                    [attributes.autoSelect=true]         Whether an uploaded attachment should be automatically added to the selection.
  * @param {boolean}                    [attributes.contentUserSetting=true] Whether the content region's mode should be set and persisted per user.
  * @param {number}                     [attributes.priority=100]            The priority for the state link in the media menu.
  * @param {boolean}                    [attributes.syncSelection=false]     Whether the Attachments selection should be persisted from the last state.
  *                                                                          Defaults to false because for this state, because the library of the Edit Gallery state is the selection.
  */
 GalleryAdd = Library.extend(/** @lends wp.media.controller.GalleryAdd.prototype */{
 	defaults: _.defaults({
 		id:            'gallery-library',
 		title:         l10n.addToGalleryTitle,
 		multiple:      'add',
 		filterable:    'uploaded',
 		menu:          'gallery',
 		toolbar:       'gallery-add',
 		priority:      100,
 		syncSelection: false
 	}, Library.prototype.defaults ),
 
 	/**
 	 * Initializes the library. Creates a library of images if a library isn't supplied.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	initialize: function() {
 		if ( ! this.get('library') ) {
 			this.set( 'library', wp.media.query({ type: 'image' }) );
 		}
 
 		Library.prototype.initialize.apply( this, arguments );
 	},
 
 	/**
 	 * Activates the library.
 	 *
 	 * Removes all event listeners if in edit mode. Creates a validator to check an attachment.
 	 * Resets library and re-enables event listeners. Activates edit mode. Calls the parent's activate method.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	activate: function() {
 		var library = this.get('library'),
 			edit    = this.frame.state('gallery-edit').get('library');
 
 		if ( this.editLibrary && this.editLibrary !== edit ) {
 			library.unobserve( this.editLibrary );
 		}
 
 		/*
 		 * Accept attachments that exist in the original library but
 		 * that do not exist in gallery's library yet.
 		 */
 		library.validator = function( attachment ) {
 			return !! this.mirroring.get( attachment.cid ) && ! edit.get( attachment.cid ) && Selection.prototype.validator.apply( this, arguments );
 		};
 
 		/*
 		 * Reset the library to ensure that all attachments are re-added
 		 * to the collection. Do so silently, as calling `observe` will
 		 * trigger the `reset` event.
 		 */
 		library.reset( library.mirroring.models, { silent: true });
 		library.observe( edit );
 		this.editLibrary = edit;
 
 		Library.prototype.activate.apply( this, arguments );
 	}
 });
 
 module.exports = GalleryAdd;
 
 
 /***/ }),
 
 /***/ "nwwF":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	$ = Backbone.$,
 	Settings;
 
 /**
  * wp.media.view.Settings
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Settings = View.extend(/** @lends wp.media.view.Settings.prototype */{
 	events: {
 		'click button':    'updateHandler',
 		'change input':    'updateHandler',
 		'change select':   'updateHandler',
 		'change textarea': 'updateHandler'
 	},
 
 	initialize: function() {
 		this.model = this.model || new Backbone.Model();
 		this.listenTo( this.model, 'change', this.updateChanges );
 	},
 
 	prepare: function() {
 		return _.defaults({
 			model: this.model.toJSON()
 		}, this.options );
 	},
 	/**
 	 * @return {wp.media.view.Settings} Returns itself to allow chaining.
 	 */
 	render: function() {
 		View.prototype.render.apply( this, arguments );
 		// Select the correct values.
 		_( this.model.attributes ).chain().keys().each( this.update, this );
 		return this;
 	},
 	/**
 	 * @param {string} key
 	 */
 	update: function( key ) {
 		var value = this.model.get( key ),
 			$setting = this.$('[data-setting="' + key + '"]'),
 			$buttons, $value;
 
 		// Bail if we didn't find a matching setting.
 		if ( ! $setting.length ) {
 			return;
 		}
 
 		// Attempt to determine how the setting is rendered and update
 		// the selected value.
 
 		// Handle dropdowns.
 		if ( $setting.is('select') ) {
 			$value = $setting.find('[value="' + value + '"]');
 
 			if ( $value.length ) {
 				$setting.find('option').prop( 'selected', false );
 				$value.prop( 'selected', true );
 			} else {
 				// If we can't find the desired value, record what *is* selected.
 				this.model.set( key, $setting.find(':selected').val() );
 			}
 
 		// Handle button groups.
 		} else if ( $setting.hasClass('button-group') ) {
 			$buttons = $setting.find( 'button' )
 				.removeClass( 'active' )
 				.attr( 'aria-pressed', 'false' );
 			$buttons.filter( '[value="' + value + '"]' )
 				.addClass( 'active' )
 				.attr( 'aria-pressed', 'true' );
 
 		// Handle text inputs and textareas.
 		} else if ( $setting.is('input[type="text"], textarea') ) {
 			if ( ! $setting.is(':focus') ) {
 				$setting.val( value );
 			}
 		// Handle checkboxes.
 		} else if ( $setting.is('input[type="checkbox"]') ) {
 			$setting.prop( 'checked', !! value && 'false' !== value );
 		}
 	},
 	/**
 	 * @param {Object} event
 	 */
 	updateHandler: function( event ) {
 		var $setting = $( event.target ).closest('[data-setting]'),
 			value = event.target.value,
 			userSetting;
 
 		event.preventDefault();
 
 		if ( ! $setting.length ) {
 			return;
 		}
 
 		// Use the correct value for checkboxes.
 		if ( $setting.is('input[type="checkbox"]') ) {
 			value = $setting[0].checked;
 		}
 
 		// Update the corresponding setting.
 		this.model.set( $setting.data('setting'), value );
 
 		// If the setting has a corresponding user setting,
 		// update that as well.
 		userSetting = $setting.data('userSetting');
 		if ( userSetting ) {
 			window.setUserSetting( userSetting, value );
 		}
 	},
 
 	updateChanges: function( model ) {
 		if ( model.hasChanged() ) {
 			_( model.changed ).chain().keys().each( this.update, this );
 		}
 	}
 });
 
 module.exports = Settings;
 
 
 /***/ }),
 
 /***/ "ojD6":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	$ = jQuery,
 	Attachments,
 	infiniteScrolling = wp.media.view.settings.infiniteScrolling;
 
 Attachments = View.extend(/** @lends wp.media.view.Attachments.prototype */{
 	tagName:   'ul',
 	className: 'attachments',
 
 	attributes: {
 		tabIndex: -1
 	},
 
 	/**
 	 * Represents the overview of attachments in the Media Library.
 	 *
 	 * The constructor binds events to the collection this view represents when
 	 * adding or removing attachments or resetting the entire collection.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @constructs
 	 * @memberof wp.media.view
 	 *
 	 * @augments wp.media.View
 	 *
 	 * @listens collection:add
 	 * @listens collection:remove
 	 * @listens collection:reset
 	 * @listens controller:library:selection:add
 	 * @listens scrollElement:scroll
 	 * @listens this:ready
 	 * @listens controller:open
 	 */
 	initialize: function() {
 		this.el.id = _.uniqueId('__attachments-view-');
 
 		/**
 		 * @since 5.8.0 Added the `infiniteScrolling` parameter.
 		 *
 		 * @param infiniteScrolling  Whether to enable infinite scrolling or use
 		 *                           the default "load more" button.
 		 * @param refreshSensitivity The time in milliseconds to throttle the scroll
 		 *                           handler.
 		 * @param refreshThreshold   The amount of pixels that should be scrolled before
 		 *                           loading more attachments from the server.
 		 * @param AttachmentView     The view class to be used for models in the
 		 *                           collection.
 		 * @param sortable           A jQuery sortable options object
 		 *                           ( http://api.jqueryui.com/sortable/ ).
 		 * @param resize             A boolean indicating whether or not to listen to
 		 *                           resize events.
 		 * @param idealColumnWidth   The width in pixels which a column should have when
 		 *                           calculating the total number of columns.
 		 */
 		_.defaults( this.options, {
 			infiniteScrolling:  infiniteScrolling || false,
 			refreshSensitivity: wp.media.isTouchDevice ? 300 : 200,
 			refreshThreshold:   3,
 			AttachmentView:     wp.media.view.Attachment,
 			sortable:           false,
 			resize:             true,
 			idealColumnWidth:   $( window ).width() < 640 ? 135 : 150
 		});
 
 		this._viewsByCid = {};
 		this.$window = $( window );
 		this.resizeEvent = 'resize.media-modal-columns';
 
 		this.collection.on( 'add', function( attachment ) {
 			this.views.add( this.createAttachmentView( attachment ), {
 				at: this.collection.indexOf( attachment )
 			});
 		}, this );
 
 		/*
 		 * Find the view to be removed, delete it and call the remove function to clear
 		 * any set event handlers.
 		 */
 		this.collection.on( 'remove', function( attachment ) {
 			var view = this._viewsByCid[ attachment.cid ];
 			delete this._viewsByCid[ attachment.cid ];
 
 			if ( view ) {
 				view.remove();
 			}
 		}, this );
 
 		this.collection.on( 'reset', this.render, this );
 
 		this.controller.on( 'library:selection:add', this.attachmentFocus, this );
 
 		if ( this.options.infiniteScrolling ) {
 			// Throttle the scroll handler and bind this.
 			this.scroll = _.chain( this.scroll ).bind( this ).throttle( this.options.refreshSensitivity ).value();
 
 			this.options.scrollElement = this.options.scrollElement || this.el;
 			$( this.options.scrollElement ).on( 'scroll', this.scroll );
 		}
 
 		this.initSortable();
 
 		_.bindAll( this, 'setColumns' );
 
 		if ( this.options.resize ) {
 			this.on( 'ready', this.bindEvents );
 			this.controller.on( 'open', this.setColumns );
 
 			/*
 			 * Call this.setColumns() after this view has been rendered in the
 			 * DOM so attachments get proper width applied.
 			 */
 			_.defer( this.setColumns, this );
 		}
 	},
 
 	/**
 	 * Listens to the resizeEvent on the window.
 	 *
 	 * Adjusts the amount of columns accordingly. First removes any existing event
 	 * handlers to prevent duplicate listeners.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @listens window:resize
 	 *
 	 * @return {void}
 	 */
 	bindEvents: function() {
 		this.$window.off( this.resizeEvent ).on( this.resizeEvent, _.debounce( this.setColumns, 50 ) );
 	},
 
 	/**
 	 * Focuses the first item in the collection.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @return {void}
 	 */
 	attachmentFocus: function() {
 		/*
 		 * @todo When uploading new attachments, this tries to move focus to
 		 * the attachments grid. Actually, a progress bar gets initially displayed
 		 * and then updated when uploading completes, so focus is lost.
 		 * Additionally: this view is used for both the attachments list and
 		 * the list of selected attachments in the bottom media toolbar. Thus, when
 		 * uploading attachments, it is called twice and returns two different `this`.
 		 * `this.columns` is truthy within the modal.
 		 */
 		if ( this.columns ) {
 			// Move focus to the grid list within the modal.
 			this.$el.focus();
 		}
 	},
 
 	/**
 	 * Restores focus to the selected item in the collection.
 	 *
 	 * Moves focus back to the first selected attachment in the grid. Used when
 	 * tabbing backwards from the attachment details sidebar.
 	 * See media.view.AttachmentsBrowser.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @return {void}
 	 */
 	restoreFocus: function() {
 		this.$( 'li.selected:first' ).focus();
 	},
 
 	/**
 	 * Handles events for arrow key presses.
 	 *
 	 * Focuses the attachment in the direction of the used arrow key if it exists.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @param {KeyboardEvent} event The keyboard event that triggered this function.
 	 *
 	 * @return {void}
 	 */
 	arrowEvent: function( event ) {
 		var attachments = this.$el.children( 'li' ),
 			perRow = this.columns,
 			index = attachments.filter( ':focus' ).index(),
 			row = ( index + 1 ) <= perRow ? 1 : Math.ceil( ( index + 1 ) / perRow );
 
 		if ( index === -1 ) {
 			return;
 		}
 
 		// Left arrow = 37.
 		if ( 37 === event.keyCode ) {
 			if ( 0 === index ) {
 				return;
 			}
 			attachments.eq( index - 1 ).focus();
 		}
 
 		// Up arrow = 38.
 		if ( 38 === event.keyCode ) {
 			if ( 1 === row ) {
 				return;
 			}
 			attachments.eq( index - perRow ).focus();
 		}
 
 		// Right arrow = 39.
 		if ( 39 === event.keyCode ) {
 			if ( attachments.length === index ) {
 				return;
 			}
 			attachments.eq( index + 1 ).focus();
 		}
 
 		// Down arrow = 40.
 		if ( 40 === event.keyCode ) {
 			if ( Math.ceil( attachments.length / perRow ) === row ) {
 				return;
 			}
 			attachments.eq( index + perRow ).focus();
 		}
 	},
 
 	/**
 	 * Clears any set event handlers.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	dispose: function() {
 		this.collection.props.off( null, null, this );
 		if ( this.options.resize ) {
 			this.$window.off( this.resizeEvent );
 		}
 
 		// Call 'dispose' directly on the parent class.
 		View.prototype.dispose.apply( this, arguments );
 	},
 
 	/**
 	 * Calculates the amount of columns.
 	 *
 	 * Calculates the amount of columns and sets it on the data-columns attribute
 	 * of .media-frame-content.
 	 *
 	 * @since 4.0.0
 	 *
 	 * @return {void}
 	 */
 	setColumns: function() {
 		var prev = this.columns,
 			width = this.$el.width();
 
 		if ( width ) {
 			this.columns = Math.min( Math.round( width / this.options.idealColumnWidth ), 12 ) || 1;
 
 			if ( ! prev || prev !== this.columns ) {
 				this.$el.closest( '.media-frame-content' ).attr( 'data-columns', this.columns );
 			}
 		}
 	},
 
 	/**
 	 * Initializes jQuery sortable on the attachment list.
 	 *
 	 * Fails gracefully if jQuery sortable doesn't exist or isn't passed
 	 * in the options.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @fires collection:reset
 	 *
 	 * @return {void}
 	 */
 	initSortable: function() {
 		var collection = this.collection;
 
 		if ( ! this.options.sortable || ! $.fn.sortable ) {
 			return;
 		}
 
 		this.$el.sortable( _.extend({
 			// If the `collection` has a `comparator`, disable sorting.
 			disabled: !! collection.comparator,
 
 			/*
 			 * Change the position of the attachment as soon as the mouse pointer
 			 * overlaps a thumbnail.
 			 */
 			tolerance: 'pointer',
 
 			// Record the initial `index` of the dragged model.
 			start: function( event, ui ) {
 				ui.item.data('sortableIndexStart', ui.item.index());
 			},
 
 			/*
 			 * Update the model's index in the collection. Do so silently, as the view
 			 * is already accurate.
 			 */
 			update: function( event, ui ) {
 				var model = collection.at( ui.item.data('sortableIndexStart') ),
 					comparator = collection.comparator;
 
 				// Temporarily disable the comparator to prevent `add`
 				// from re-sorting.
 				delete collection.comparator;
 
 				// Silently shift the model to its new index.
 				collection.remove( model, {
 					silent: true
 				});
 				collection.add( model, {
 					silent: true,
 					at:     ui.item.index()
 				});
 
 				// Restore the comparator.
 				collection.comparator = comparator;
 
 				// Fire the `reset` event to ensure other collections sync.
 				collection.trigger( 'reset', collection );
 
 				// If the collection is sorted by menu order, update the menu order.
 				collection.saveMenuOrder();
 			}
 		}, this.options.sortable ) );
 
 		/*
 		 * If the `orderby` property is changed on the `collection`,
 		 * check to see if we have a `comparator`. If so, disable sorting.
 		 */
 		collection.props.on( 'change:orderby', function() {
 			this.$el.sortable( 'option', 'disabled', !! collection.comparator );
 		}, this );
 
 		this.collection.props.on( 'change:orderby', this.refreshSortable, this );
 		this.refreshSortable();
 	},
 
 	/**
 	 * Disables jQuery sortable if collection has a comparator or collection.orderby
 	 * equals menuOrder.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	refreshSortable: function() {
 		if ( ! this.options.sortable || ! $.fn.sortable ) {
 			return;
 		}
 
 		var collection = this.collection,
 			orderby = collection.props.get('orderby'),
 			enabled = 'menuOrder' === orderby || ! collection.comparator;
 
 		this.$el.sortable( 'option', 'disabled', ! enabled );
 	},
 
 	/**
 	 * Creates a new view for an attachment and adds it to _viewsByCid.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @param {wp.media.model.Attachment} attachment
 	 *
 	 * @return {wp.media.View} The created view.
 	 */
 	createAttachmentView: function( attachment ) {
 		var view = new this.options.AttachmentView({
 			controller:           this.controller,
 			model:                attachment,
 			collection:           this.collection,
 			selection:            this.options.selection
 		});
 
 		return this._viewsByCid[ attachment.cid ] = view;
 	},
 
 	/**
 	 * Prepares view for display.
 	 *
 	 * Creates views for every attachment in collection if the collection is not
 	 * empty, otherwise clears all views and loads more attachments.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	prepare: function() {
 		if ( this.collection.length ) {
 			this.views.set( this.collection.map( this.createAttachmentView, this ) );
 		} else {
 			this.views.unset();
 			if ( this.options.infiniteScrolling ) {
 				this.collection.more().done( this.scroll );
 			}
 		}
 	},
 
 	/**
 	 * Triggers the scroll function to check if we should query for additional
 	 * attachments right away.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	ready: function() {
 		if ( this.options.infiniteScrolling ) {
 			this.scroll();
 		}
 	},
 
 	/**
 	 * Handles scroll events.
 	 *
 	 * Shows the spinner if we're close to the bottom. Loads more attachments from
 	 * server if we're {refreshThreshold} times away from the bottom.
 	 *
 	 * @since 3.5.0
 	 *
 	 * @return {void}
 	 */
 	scroll: function() {
 		var view = this,
 			el = this.options.scrollElement,
 			scrollTop = el.scrollTop,
 			toolbar;
 
 		/*
 		 * The scroll event occurs on the document, but the element that should be
 		 * checked is the document body.
 		 */
 		if ( el === document ) {
 			el = document.body;
 			scrollTop = $(document).scrollTop();
 		}
 
 		if ( ! $(el).is(':visible') || ! this.collection.hasMore() ) {
 			return;
 		}
 
 		toolbar = this.views.parent.toolbar;
 
 		// Show the spinner only if we are close to the bottom.
 		if ( el.scrollHeight - ( scrollTop + el.clientHeight ) < el.clientHeight / 3 ) {
 			toolbar.get('spinner').show();
 		}
 
 		if ( el.scrollHeight < scrollTop + ( el.clientHeight * this.options.refreshThreshold ) ) {
 			this.collection.more().done(function() {
 				view.scroll();
 				toolbar.get('spinner').hide();
 			});
 		}
 	}
 });
 
 module.exports = Attachments;
 
 
 /***/ }),
 
 /***/ "qe5n":
 /***/ (function(module, exports) {
 
 var l10n = wp.media.view.l10n,
 	$ = Backbone.$,
 	Embed;
 
 /**
  * wp.media.controller.Embed
  *
  * A state for embedding media from a URL.
  *
  * @memberOf wp.media.controller
  *
  * @class
  * @augments wp.media.controller.State
  * @augments Backbone.Model
  *
  * @param {object} attributes                         The attributes hash passed to the state.
  * @param {string} [attributes.id=embed]              Unique identifier.
  * @param {string} [attributes.title=Insert From URL] Title for the state. Displays in the media menu and the frame's title region.
  * @param {string} [attributes.content=embed]         Initial mode for the content region.
  * @param {string} [attributes.menu=default]          Initial mode for the menu region.
  * @param {string} [attributes.toolbar=main-embed]    Initial mode for the toolbar region.
  * @param {string} [attributes.menu=false]            Initial mode for the menu region.
  * @param {int}    [attributes.priority=120]          The priority for the state link in the media menu.
  * @param {string} [attributes.type=link]             The type of embed. Currently only link is supported.
  * @param {string} [attributes.url]                   The embed URL.
  * @param {object} [attributes.metadata={}]           Properties of the embed, which will override attributes.url if set.
  */
 Embed = wp.media.controller.State.extend(/** @lends wp.media.controller.Embed.prototype */{
 	defaults: {
 		id:       'embed',
 		title:    l10n.insertFromUrlTitle,
 		content:  'embed',
 		menu:     'default',
 		toolbar:  'main-embed',
 		priority: 120,
 		type:     'link',
 		url:      '',
 		metadata: {}
 	},
 
 	// The amount of time used when debouncing the scan.
 	sensitivity: 400,
 
 	initialize: function(options) {
 		this.metadata = options.metadata;
 		this.debouncedScan = _.debounce( _.bind( this.scan, this ), this.sensitivity );
 		this.props = new Backbone.Model( this.metadata || { url: '' });
 		this.props.on( 'change:url', this.debouncedScan, this );
 		this.props.on( 'change:url', this.refresh, this );
 		this.on( 'scan', this.scanImage, this );
 	},
 
 	/**
 	 * Trigger a scan of the embedded URL's content for metadata required to embed.
 	 *
 	 * @fires wp.media.controller.Embed#scan
 	 */
 	scan: function() {
 		var scanners,
 			embed = this,
 			attributes = {
 				type: 'link',
 				scanners: []
 			};
 
 		/*
 		 * Scan is triggered with the list of `attributes` to set on the
 		 * state, useful for the 'type' attribute and 'scanners' attribute,
 		 * an array of promise objects for asynchronous scan operations.
 		 */
 		if ( this.props.get('url') ) {
 			this.trigger( 'scan', attributes );
 		}
 
 		if ( attributes.scanners.length ) {
 			scanners = attributes.scanners = $.when.apply( $, attributes.scanners );
 			scanners.always( function() {
 				if ( embed.get('scanners') === scanners ) {
 					embed.set( 'loading', false );
 				}
 			});
 		} else {
 			attributes.scanners = null;
 		}
 
 		attributes.loading = !! attributes.scanners;
 		this.set( attributes );
 	},
 	/**
 	 * Try scanning the embed as an image to discover its dimensions.
 	 *
 	 * @param {Object} attributes
 	 */
 	scanImage: function( attributes ) {
 		var frame = this.frame,
 			state = this,
 			url = this.props.get('url'),
 			image = new Image(),
 			deferred = $.Deferred();
 
 		attributes.scanners.push( deferred.promise() );
 
 		// Try to load the image and find its width/height.
 		image.onload = function() {
 			deferred.resolve();
 
 			if ( state !== frame.state() || url !== state.props.get('url') ) {
 				return;
 			}
 
 			state.set({
 				type: 'image'
 			});
 
 			state.props.set({
 				width:  image.width,
 				height: image.height
 			});
 		};
 
 		image.onerror = deferred.reject;
 		image.src = url;
 	},
 
 	refresh: function() {
 		this.frame.toolbar.get().refresh();
 	},
 
 	reset: function() {
 		this.props.clear().set({ url: '' });
 
 		if ( this.active ) {
 			this.refresh();
 		}
 	}
 });
 
 module.exports = Embed;
 
 
 /***/ }),
 
 /***/ "sULL":
 /***/ (function(module, exports) {
 
 var View = wp.media.View,
 	$ = jQuery,
 	Attachment;
 
 /**
  * wp.media.view.Attachment
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Attachment = View.extend(/** @lends wp.media.view.Attachment.prototype */{
 	tagName:   'li',
 	className: 'attachment',
 	template:  wp.template('attachment'),
 
 	attributes: function() {
 		return {
 			'tabIndex':     0,
 			'role':         'checkbox',
 			'aria-label':   this.model.get( 'title' ),
 			'aria-checked': false,
 			'data-id':      this.model.get( 'id' )
 		};
 	},
 
 	events: {
 		'click':                          'toggleSelectionHandler',
 		'change [data-setting]':          'updateSetting',
 		'change [data-setting] input':    'updateSetting',
 		'change [data-setting] select':   'updateSetting',
 		'change [data-setting] textarea': 'updateSetting',
 		'click .attachment-close':        'removeFromLibrary',
 		'click .check':                   'checkClickHandler',
 		'keydown':                        'toggleSelectionHandler'
 	},
 
 	buttons: {},
 
 	initialize: function() {
 		var selection = this.options.selection,
 			options = _.defaults( this.options, {
 				rerenderOnModelChange: true
 			} );
 
 		if ( options.rerenderOnModelChange ) {
 			this.listenTo( this.model, 'change', this.render );
 		} else {
 			this.listenTo( this.model, 'change:percent', this.progress );
 		}
 		this.listenTo( this.model, 'change:title', this._syncTitle );
 		this.listenTo( this.model, 'change:caption', this._syncCaption );
 		this.listenTo( this.model, 'change:artist', this._syncArtist );
 		this.listenTo( this.model, 'change:album', this._syncAlbum );
 
 		// Update the selection.
 		this.listenTo( this.model, 'add', this.select );
 		this.listenTo( this.model, 'remove', this.deselect );
 		if ( selection ) {
 			selection.on( 'reset', this.updateSelect, this );
 			// Update the model's details view.
 			this.listenTo( this.model, 'selection:single selection:unsingle', this.details );
 			this.details( this.model, this.controller.state().get('selection') );
 		}
 
 		this.listenTo( this.controller.states, 'attachment:compat:waiting attachment:compat:ready', this.updateSave );
 	},
 	/**
 	 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
 	 */
 	dispose: function() {
 		var selection = this.options.selection;
 
 		// Make sure all settings are saved before removing the view.
 		this.updateAll();
 
 		if ( selection ) {
 			selection.off( null, null, this );
 		}
 		/**
 		 * call 'dispose' directly on the parent class
 		 */
 		View.prototype.dispose.apply( this, arguments );
 		return this;
 	},
 	/**
 	 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
 	 */
 	render: function() {
 		var options = _.defaults( this.model.toJSON(), {
 				orientation:   'landscape',
 				uploading:     false,
 				type:          '',
 				subtype:       '',
 				icon:          '',
 				filename:      '',
 				caption:       '',
 				title:         '',
 				dateFormatted: '',
 				width:         '',
 				height:        '',
 				compat:        false,
 				alt:           '',
 				description:   ''
 			}, this.options );
 
 		options.buttons  = this.buttons;
 		options.describe = this.controller.state().get('describe');
 
 		if ( 'image' === options.type ) {
 			options.size = this.imageSize();
 		}
 
 		options.can = {};
 		if ( options.nonces ) {
 			options.can.remove = !! options.nonces['delete'];
 			options.can.save = !! options.nonces.update;
 		}
 
 		if ( this.controller.state().get('allowLocalEdits') ) {
 			options.allowLocalEdits = true;
 		}
 
 		if ( options.uploading && ! options.percent ) {
 			options.percent = 0;
 		}
 
 		this.views.detach();
 		this.$el.html( this.template( options ) );
 
 		this.$el.toggleClass( 'uploading', options.uploading );
 
 		if ( options.uploading ) {
 			this.$bar = this.$('.media-progress-bar div');
 		} else {
 			delete this.$bar;
 		}
 
 		// Check if the model is selected.
 		this.updateSelect();
 
 		// Update the save status.
 		this.updateSave();
 
 		this.views.render();
 
 		return this;
 	},
 
 	progress: function() {
 		if ( this.$bar && this.$bar.length ) {
 			this.$bar.width( this.model.get('percent') + '%' );
 		}
 	},
 
 	/**
 	 * @param {Object} event
 	 */
 	toggleSelectionHandler: function( event ) {
 		var method;
 
 		// Don't do anything inside inputs and on the attachment check and remove buttons.
 		if ( 'INPUT' === event.target.nodeName || 'BUTTON' === event.target.nodeName ) {
 			return;
 		}
 
 		// Catch arrow events.
 		if ( 37 === event.keyCode || 38 === event.keyCode || 39 === event.keyCode || 40 === event.keyCode ) {
 			this.controller.trigger( 'attachment:keydown:arrow', event );
 			return;
 		}
 
 		// Catch enter and space events.
 		if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
 			return;
 		}
 
 		event.preventDefault();
 
 		// In the grid view, bubble up an edit:attachment event to the controller.
 		if ( this.controller.isModeActive( 'grid' ) ) {
 			if ( this.controller.isModeActive( 'edit' ) ) {
 				// Pass the current target to restore focus when closing.
 				this.controller.trigger( 'edit:attachment', this.model, event.currentTarget );
 				return;
 			}
 
 			if ( this.controller.isModeActive( 'select' ) ) {
 				method = 'toggle';
 			}
 		}
 
 		if ( event.shiftKey ) {
 			method = 'between';
 		} else if ( event.ctrlKey || event.metaKey ) {
 			method = 'toggle';
 		}
 
 		this.toggleSelection({
 			method: method
 		});
 
 		this.controller.trigger( 'selection:toggle' );
 	},
 	/**
 	 * @param {Object} options
 	 */
 	toggleSelection: function( options ) {
 		var collection = this.collection,
 			selection = this.options.selection,
 			model = this.model,
 			method = options && options.method,
 			single, models, singleIndex, modelIndex;
 
 		if ( ! selection ) {
 			return;
 		}
 
 		single = selection.single();
 		method = _.isUndefined( method ) ? selection.multiple : method;
 
 		// If the `method` is set to `between`, select all models that
 		// exist between the current and the selected model.
 		if ( 'between' === method && single && selection.multiple ) {
 			// If the models are the same, short-circuit.
 			if ( single === model ) {
 				return;
 			}
 
 			singleIndex = collection.indexOf( single );
 			modelIndex  = collection.indexOf( this.model );
 
 			if ( singleIndex < modelIndex ) {
 				models = collection.models.slice( singleIndex, modelIndex + 1 );
 			} else {
 				models = collection.models.slice( modelIndex, singleIndex + 1 );
 			}
 
 			selection.add( models );
 			selection.single( model );
 			return;
 
 		// If the `method` is set to `toggle`, just flip the selection
 		// status, regardless of whether the model is the single model.
 		} else if ( 'toggle' === method ) {
 			selection[ this.selected() ? 'remove' : 'add' ]( model );
 			selection.single( model );
 			return;
 		} else if ( 'add' === method ) {
 			selection.add( model );
 			selection.single( model );
 			return;
 		}
 
 		// Fixes bug that loses focus when selecting a featured image.
 		if ( ! method ) {
 			method = 'add';
 		}
 
 		if ( method !== 'add' ) {
 			method = 'reset';
 		}
 
 		if ( this.selected() ) {
 			/*
 			 * If the model is the single model, remove it.
 			 * If it is not the same as the single model,
 			 * it now becomes the single model.
 			 */
 			selection[ single === model ? 'remove' : 'single' ]( model );
 		} else {
 			/*
 			 * If the model is not selected, run the `method` on the
 			 * selection. By default, we `reset` the selection, but the
 			 * `method` can be set to `add` the model to the selection.
 			 */
 			selection[ method ]( model );
 			selection.single( model );
 		}
 	},
 
 	updateSelect: function() {
 		this[ this.selected() ? 'select' : 'deselect' ]();
 	},
 	/**
 	 * @return {unresolved|boolean}
 	 */
 	selected: function() {
 		var selection = this.options.selection;
 		if ( selection ) {
 			return !! selection.get( this.model.cid );
 		}
 	},
 	/**
 	 * @param {Backbone.Model} model
 	 * @param {Backbone.Collection} collection
 	 */
 	select: function( model, collection ) {
 		var selection = this.options.selection,
 			controller = this.controller;
 
 		/*
 		 * Check if a selection exists and if it's the collection provided.
 		 * If they're not the same collection, bail; we're in another
 		 * selection's event loop.
 		 */
 		if ( ! selection || ( collection && collection !== selection ) ) {
 			return;
 		}
 
 		// Bail if the model is already selected.
 		if ( this.$el.hasClass( 'selected' ) ) {
 			return;
 		}
 
 		// Add 'selected' class to model, set aria-checked to true.
 		this.$el.addClass( 'selected' ).attr( 'aria-checked', true );
 		//  Make the checkbox tabable, except in media grid (bulk select mode).
 		if ( ! ( controller.isModeActive( 'grid' ) && controller.isModeActive( 'select' ) ) ) {
 			this.$( '.check' ).attr( 'tabindex', '0' );
 		}
 	},
 	/**
 	 * @param {Backbone.Model} model
 	 * @param {Backbone.Collection} collection
 	 */
 	deselect: function( model, collection ) {
 		var selection = this.options.selection;
 
 		/*
 		 * Check if a selection exists and if it's the collection provided.
 		 * If they're not the same collection, bail; we're in another
 		 * selection's event loop.
 		 */
 		if ( ! selection || ( collection && collection !== selection ) ) {
 			return;
 		}
 		this.$el.removeClass( 'selected' ).attr( 'aria-checked', false )
 			.find( '.check' ).attr( 'tabindex', '-1' );
 	},
 	/**
 	 * @param {Backbone.Model} model
 	 * @param {Backbone.Collection} collection
 	 */
 	details: function( model, collection ) {
 		var selection = this.options.selection,
 			details;
 
 		if ( selection !== collection ) {
 			return;
 		}
 
 		details = selection.single();
 		this.$el.toggleClass( 'details', details === this.model );
 	},
 	/**
 	 * @param {string} size
 	 * @return {Object}
 	 */
 	imageSize: function( size ) {
 		var sizes = this.model.get('sizes'), matched = false;
 
 		size = size || 'medium';
 
 		// Use the provided image size if possible.
 		if ( sizes ) {
 			if ( sizes[ size ] ) {
 				matched = sizes[ size ];
 			} else if ( sizes.large ) {
 				matched = sizes.large;
 			} else if ( sizes.thumbnail ) {
 				matched = sizes.thumbnail;
 			} else if ( sizes.full ) {
 				matched = sizes.full;
 			}
 
 			if ( matched ) {
 				return _.clone( matched );
 			}
 		}
 
 		return {
 			url:         this.model.get('url'),
 			width:       this.model.get('width'),
 			height:      this.model.get('height'),
 			orientation: this.model.get('orientation')
 		};
 	},
 	/**
 	 * @param {Object} event
 	 */
 	updateSetting: function( event ) {
 		var $setting = $( event.target ).closest('[data-setting]'),
 			setting, value;
 
 		if ( ! $setting.length ) {
 			return;
 		}
 
 		setting = $setting.data('setting');
 		value   = event.target.value;
 
 		if ( this.model.get( setting ) !== value ) {
 			this.save( setting, value );
 		}
 	},
 
 	/**
 	 * Pass all the arguments to the model's save method.
 	 *
 	 * Records the aggregate status of all save requests and updates the
 	 * view's classes accordingly.
 	 */
 	save: function() {
 		var view = this,
 			save = this._save = this._save || { status: 'ready' },
 			request = this.model.save.apply( this.model, arguments ),
 			requests = save.requests ? $.when( request, save.requests ) : request;
 
 		// If we're waiting to remove 'Saved.', stop.
 		if ( save.savedTimer ) {
 			clearTimeout( save.savedTimer );
 		}
 
 		this.updateSave('waiting');
 		save.requests = requests;
 		requests.always( function() {
 			// If we've performed another request since this one, bail.
 			if ( save.requests !== requests ) {
 				return;
 			}
 
 			view.updateSave( requests.state() === 'resolved' ? 'complete' : 'error' );
 			save.savedTimer = setTimeout( function() {
 				view.updateSave('ready');
 				delete save.savedTimer;
 			}, 2000 );
 		});
 	},
 	/**
 	 * @param {string} status
 	 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
 	 */
 	updateSave: function( status ) {
 		var save = this._save = this._save || { status: 'ready' };
 
 		if ( status && status !== save.status ) {
 			this.$el.removeClass( 'save-' + save.status );
 			save.status = status;
 		}
 
 		this.$el.addClass( 'save-' + save.status );
 		return this;
 	},
 
 	updateAll: function() {
 		var $settings = this.$('[data-setting]'),
 			model = this.model,
 			changed;
 
 		changed = _.chain( $settings ).map( function( el ) {
 			var $input = $('input, textarea, select, [value]', el ),
 				setting, value;
 
 			if ( ! $input.length ) {
 				return;
 			}
 
 			setting = $(el).data('setting');
 			value = $input.val();
 
 			// Record the value if it changed.
 			if ( model.get( setting ) !== value ) {
 				return [ setting, value ];
 			}
 		}).compact().object().value();
 
 		if ( ! _.isEmpty( changed ) ) {
 			model.save( changed );
 		}
 	},
 	/**
 	 * @param {Object} event
 	 */
 	removeFromLibrary: function( event ) {
 		// Catch enter and space events.
 		if ( 'keydown' === event.type && 13 !== event.keyCode && 32 !== event.keyCode ) {
 			return;
 		}
 
 		// Stop propagation so the model isn't selected.
 		event.stopPropagation();
 
 		this.collection.remove( this.model );
 	},
 
 	/**
 	 * Add the model if it isn't in the selection, if it is in the selection,
 	 * remove it.
 	 *
 	 * @param {[type]} event [description]
 	 * @return {[type]} [description]
 	 */
 	checkClickHandler: function ( event ) {
 		var selection = this.options.selection;
 		if ( ! selection ) {
 			return;
 		}
 		event.stopPropagation();
 		if ( selection.where( { id: this.model.get( 'id' ) } ).length ) {
 			selection.remove( this.model );
 			// Move focus back to the attachment tile (from the check).
 			this.$el.focus();
 		} else {
 			selection.add( this.model );
 		}
 
 		// Trigger an action button update.
 		this.controller.trigger( 'selection:toggle' );
 	}
 });
 
 // Ensure settings remain in sync between attachment views.
 _.each({
 	caption: '_syncCaption',
 	title:   '_syncTitle',
 	artist:  '_syncArtist',
 	album:   '_syncAlbum'
 }, function( method, setting ) {
 	/**
 	 * @function _syncCaption
 	 * @memberOf wp.media.view.Attachment
 	 * @instance
 	 *
 	 * @param {Backbone.Model} model
 	 * @param {string} value
 	 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function _syncTitle
 	 * @memberOf wp.media.view.Attachment
 	 * @instance
 	 *
 	 * @param {Backbone.Model} model
 	 * @param {string} value
 	 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function _syncArtist
 	 * @memberOf wp.media.view.Attachment
 	 * @instance
 	 *
 	 * @param {Backbone.Model} model
 	 * @param {string} value
 	 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
 	 */
 	/**
 	 * @function _syncAlbum
 	 * @memberOf wp.media.view.Attachment
 	 * @instance
 	 *
 	 * @param {Backbone.Model} model
 	 * @param {string} value
 	 * @return {wp.media.view.Attachment} Returns itself to allow chaining.
 	 */
 	Attachment.prototype[ method ] = function( model, value ) {
 		var $setting = this.$('[data-setting="' + setting + '"]');
 
 		if ( ! $setting.length ) {
 			return this;
 		}
 
 		/*
 		 * If the updated value is in sync with the value in the DOM, there
 		 * is no need to re-render. If we're currently editing the value,
 		 * it will automatically be in sync, suppressing the re-render for
 		 * the view we're editing, while updating any others.
 		 */
 		if ( value === $setting.find('input, textarea, select, [value]').val() ) {
 			return this;
 		}
 
 		return this.render();
 	};
 });
 
 module.exports = Attachment;
 
 
 /***/ }),
 
 /***/ "t3nl":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Iframe
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Iframe = wp.media.View.extend(/** @lends wp.media.view.Iframe.prototype */{
 	className: 'media-iframe',
 	/**
 	 * @return {wp.media.view.Iframe} Returns itself to allow chaining.
 	 */
 	render: function() {
 		this.views.detach();
 		this.$el.html( '<iframe src="' + this.controller.state().get('src') + '" />' );
 		this.views.render();
 		return this;
 	}
 });
 
 module.exports = Iframe;
 
 
 /***/ }),
 
 /***/ "tg/Y":
 /***/ (function(module, exports, __webpack_require__) {
 
 /**
  * @output wp-includes/js/media-views.js
  */
 
 var media = wp.media,
 	$ = jQuery,
 	l10n;
 
 media.isTouchDevice = ( 'ontouchend' in document );
 
 // Link any localized strings.
 l10n = media.view.l10n = window._wpMediaViewsL10n || {};
 
 // Link any settings.
 media.view.settings = l10n.settings || {};
 delete l10n.settings;
 
 // Copy the `post` setting over to the model settings.
 media.model.settings.post = media.view.settings.post;
 
 // Check if the browser supports CSS 3.0 transitions.
 $.support.transition = (function(){
 	var style = document.documentElement.style,
 		transitions = {
 			WebkitTransition: 'webkitTransitionEnd',
 			MozTransition:    'transitionend',
 			OTransition:      'oTransitionEnd otransitionend',
 			transition:       'transitionend'
 		}, transition;
 
 	transition = _.find( _.keys( transitions ), function( transition ) {
 		return ! _.isUndefined( style[ transition ] );
 	});
 
 	return transition && {
 		end: transitions[ transition ]
 	};
 }());
 
 /**
  * A shared event bus used to provide events into
  * the media workflows that 3rd-party devs can use to hook
  * in.
  */
 media.events = _.extend( {}, Backbone.Events );
 
 /**
  * Makes it easier to bind events using transitions.
  *
  * @param {string} selector
  * @param {number} sensitivity
  * @return {Promise}
  */
 media.transition = function( selector, sensitivity ) {
 	var deferred = $.Deferred();
 
 	sensitivity = sensitivity || 2000;
 
 	if ( $.support.transition ) {
 		if ( ! (selector instanceof $) ) {
 			selector = $( selector );
 		}
 
 		// Resolve the deferred when the first element finishes animating.
 		selector.first().one( $.support.transition.end, deferred.resolve );
 
 		// Just in case the event doesn't trigger, fire a callback.
 		_.delay( deferred.resolve, sensitivity );
 
 	// Otherwise, execute on the spot.
 	} else {
 		deferred.resolve();
 	}
 
 	return deferred.promise();
 };
 
 media.controller.Region = __webpack_require__( "WiNq" );
 media.controller.StateMachine = __webpack_require__( "U3Se" );
 media.controller.State = __webpack_require__( "M5ZC" );
 
 media.selectionSync = __webpack_require__( "PgTd" );
 media.controller.Library = __webpack_require__( "F/kE" );
 media.controller.ImageDetails = __webpack_require__( "IkWq" );
 media.controller.GalleryEdit = __webpack_require__( "99yY" );
 media.controller.GalleryAdd = __webpack_require__( "ng6N" );
 media.controller.CollectionEdit = __webpack_require__( "Mt+m" );
 media.controller.CollectionAdd = __webpack_require__( "iipZ" );
 media.controller.FeaturedImage = __webpack_require__( "I7TD" );
 media.controller.ReplaceImage = __webpack_require__( "aBqq" );
 media.controller.EditImage = __webpack_require__( "4tHu" );
 media.controller.MediaLibrary = __webpack_require__( "mVaH" );
 media.controller.Embed = __webpack_require__( "qe5n" );
 media.controller.Cropper = __webpack_require__( "M+xU" );
 media.controller.CustomizeImageCropper = __webpack_require__( "eqTc" );
 media.controller.SiteIconCropper = __webpack_require__( "W+32" );
 
 media.View = __webpack_require__( "Bbnu" );
 media.view.Frame = __webpack_require__( "LGdN" );
 media.view.MediaFrame = __webpack_require__( "Pt9x" );
 media.view.MediaFrame.Select = __webpack_require__( "fYN4" );
 media.view.MediaFrame.Post = __webpack_require__( "6B7g" );
 media.view.MediaFrame.ImageDetails = __webpack_require__( "VIJ9" );
 media.view.Modal = __webpack_require__( "gOpb" );
 media.view.FocusManager = __webpack_require__( "3nJM" );
 media.view.UploaderWindow = __webpack_require__( "S4jH" );
 media.view.EditorUploader = __webpack_require__( "GXkx" );
 media.view.UploaderInline = __webpack_require__( "7Bpz" );
 media.view.UploaderStatus = __webpack_require__( "NguE" );
 media.view.UploaderStatusError = __webpack_require__( "ZeG4" );
 media.view.Toolbar = __webpack_require__( "2NU8" );
 media.view.Toolbar.Select = __webpack_require__( "IgEq" );
 media.view.Toolbar.Embed = __webpack_require__( "xQvM" );
 media.view.Button = __webpack_require__( "LZpE" );
 media.view.ButtonGroup = __webpack_require__( "z/+l" );
 media.view.PriorityList = __webpack_require__( "NjyZ" );
 media.view.MenuItem = __webpack_require__( "dpRc" );
 media.view.Menu = __webpack_require__( "Ju2C" );
 media.view.RouterItem = __webpack_require__( "Q9T/" );
 media.view.Router = __webpack_require__( "EVvK" );
 media.view.Sidebar = __webpack_require__( "9ARG" );
 media.view.Attachment = __webpack_require__( "sULL" );
 media.view.Attachment.Library = __webpack_require__( "2jku" );
 media.view.Attachment.EditLibrary = __webpack_require__( "EvXF" );
 media.view.Attachments = __webpack_require__( "ojD6" );
 media.view.Search = __webpack_require__( "ZgZ7" );
 media.view.AttachmentFilters = __webpack_require__( "1S4+" );
 media.view.DateFilter = __webpack_require__( "VkcK" );
 media.view.AttachmentFilters.Uploaded = __webpack_require__( "4jjk" );
 media.view.AttachmentFilters.All = __webpack_require__( "KerO" );
 media.view.AttachmentsBrowser = __webpack_require__( "72mI" );
 media.view.Selection = __webpack_require__( "04Ix" );
 media.view.Attachment.Selection = __webpack_require__( "yGM1" );
 media.view.Attachments.Selection = __webpack_require__( "wfCN" );
 media.view.Attachment.EditSelection = __webpack_require__( "P6DV" );
 media.view.Settings = __webpack_require__( "nwwF" );
 media.view.Settings.AttachmentDisplay = __webpack_require__( "2AvB" );
 media.view.Settings.Gallery = __webpack_require__( "umxe" );
 media.view.Settings.Playlist = __webpack_require__( "76BF" );
 media.view.Attachment.Details = __webpack_require__( "iupV" );
 media.view.AttachmentCompat = __webpack_require__( "LND6" );
 media.view.Iframe = __webpack_require__( "t3nl" );
 media.view.Embed = __webpack_require__( "VMHs" );
 media.view.Label = __webpack_require__( "V6sy" );
 media.view.EmbedUrl = __webpack_require__( "+mQJ" );
 media.view.EmbedLink = __webpack_require__( "JecU" );
 media.view.EmbedImage = __webpack_require__( "+B8m" );
 media.view.ImageDetails = __webpack_require__( "GXJ6" );
 media.view.Cropper = __webpack_require__( "Vh02" );
 media.view.SiteIconCropper = __webpack_require__( "UmHM" );
 media.view.SiteIconPreview = __webpack_require__( "d3xu" );
 media.view.EditImage = __webpack_require__( "ibOK" );
 media.view.Spinner = __webpack_require__( "cH3P" );
 media.view.Heading = __webpack_require__( "l2j4" );
 
 
 /***/ }),
 
 /***/ "umxe":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Settings.Gallery
  *
  * @memberOf wp.media.view.Settings
  *
  * @class
  * @augments wp.media.view.Settings
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Gallery = wp.media.view.Settings.extend(/** @lends wp.media.view.Settings.Gallery.prototype */{
 	className: 'collection-settings gallery-settings',
 	template:  wp.template('gallery-settings')
 });
 
 module.exports = Gallery;
 
 
 /***/ }),
 
 /***/ "wfCN":
 /***/ (function(module, exports) {
 
 var Attachments = wp.media.view.Attachments,
 	Selection;
 
 /**
  * wp.media.view.Attachments.Selection
  *
  * @memberOf wp.media.view.Attachments
  *
  * @class
  * @augments wp.media.view.Attachments
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Selection = Attachments.extend(/** @lends wp.media.view.Attachments.Selection.prototype */{
 	events: {},
 	initialize: function() {
 		_.defaults( this.options, {
 			sortable:   false,
 			resize:     false,
 
 			// The single `Attachment` view to be used in the `Attachments` view.
 			AttachmentView: wp.media.view.Attachment.Selection
 		});
 		// Call 'initialize' directly on the parent class.
 		return Attachments.prototype.initialize.apply( this, arguments );
 	}
 });
 
 module.exports = Selection;
 
 
 /***/ }),
 
 /***/ "xQvM":
 /***/ (function(module, exports) {
 
 var Select = wp.media.view.Toolbar.Select,
 	l10n = wp.media.view.l10n,
 	Embed;
 
 /**
  * wp.media.view.Toolbar.Embed
  *
  * @memberOf wp.media.view.Toolbar
  *
  * @class
  * @augments wp.media.view.Toolbar.Select
  * @augments wp.media.view.Toolbar
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 Embed = Select.extend(/** @lends wp.media.view.Toolbar.Embed.prototype */{
 	initialize: function() {
 		_.defaults( this.options, {
 			text: l10n.insertIntoPost,
 			requires: false
 		});
 		// Call 'initialize' directly on the parent class.
 		Select.prototype.initialize.apply( this, arguments );
 	},
 
 	refresh: function() {
 		var url = this.controller.state().props.get('url');
 		this.get('select').model.set( 'disabled', ! url || url === 'http://' );
 		/**
 		 * call 'refresh' directly on the parent class
 		 */
 		Select.prototype.refresh.apply( this, arguments );
 	}
 });
 
 module.exports = Embed;
 
 
 /***/ }),
 
 /***/ "yGM1":
 /***/ (function(module, exports) {
 
 /**
  * wp.media.view.Attachment.Selection
  *
  * @memberOf wp.media.view.Attachment
  *
  * @class
  * @augments wp.media.view.Attachment
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 var Selection = wp.media.view.Attachment.extend(/** @lends wp.media.view.Attachment.Selection.prototype */{
 	className: 'attachment selection',
 
 	// On click, just select the model, instead of removing the model from
 	// the selection.
 	toggleSelection: function() {
 		this.options.selection.single( this.model );
 	}
 });
 
 module.exports = Selection;
 
 
 /***/ }),
 
 /***/ "z/+l":
 /***/ (function(module, exports) {
 
 var $ = Backbone.$,
 	ButtonGroup;
 
 /**
  * wp.media.view.ButtonGroup
  *
  * @memberOf wp.media.view
  *
  * @class
  * @augments wp.media.View
  * @augments wp.Backbone.View
  * @augments Backbone.View
  */
 ButtonGroup = wp.media.View.extend(/** @lends wp.media.view.ButtonGroup.prototype */{
 	tagName:   'div',
 	className: 'button-group button-large media-button-group',
 
 	initialize: function() {
 		/**
 		 * @member {wp.media.view.Button[]}
 		 */
 		this.buttons = _.map( this.options.buttons || [], function( button ) {
 			if ( button instanceof Backbone.View ) {
 				return button;
 			} else {
 				return new wp.media.view.Button( button ).render();
 			}
 		});
 
 		delete this.options.buttons;
 
 		if ( this.options.classes ) {
 			this.$el.addClass( this.options.classes );
 		}
 	},
 
 	/**
 	 * @return {wp.media.view.ButtonGroup}
 	 */
 	render: function() {
 		this.$el.html( $( _.pluck( this.buttons, 'el' ) ).detach() );
 		return this;
 	}
 });
 
 module.exports = ButtonGroup;
 
 
 /***/ })
 
 /******/ });