text: /*
   * This file is part of the MediaWiki extension MultimediaViewer.
   *
   * MultimediaViewer is free software: you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation, either version 2 of the License, or
   * (at your option) any later version.
   *
   * MultimediaViewer is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with MultimediaViewer.  If not, see <http://www.gnu.org/licenses/>.
   */
  
  ( function () {
  	// Shortcut for prototype later
  	var DP;
  
  	/**
  	 * Represents a dialog and the link to open it.
  	 *
  	 * @class mw.mmv.ui.Dialog
  	 * @extends mw.mmv.ui.Element
  	 * @param {jQuery} $container the element to which the dialog will be appended
  	 * @param {jQuery} $openButton the button which opens the dialog. Only used for positioning.
  	 * @param {mw.mmv.Config} config
  	 */
  	function Dialog( $container, $openButton, config ) {
  		mw.mmv.ui.Element.call( this, $container );
  
  		/** @property {boolean} isOpen Whether or not the dialog is open. */
  		this.isOpen = false;
  
  		/**
  		 * @property {string[]} loadDependencies Dependencies to load before showing the dialog.
  		 */
  		this.loadDependencies = [];
  
  		/**
  		 * @property {string} eventPrefix Prefix specific to the class to be applied to events.
  		 */
  		this.eventPrefix = '';
  		/** @property {mw.mmv.Config} config - */
  		this.config = config;
  
  		/** @property {jQuery} $openButton The click target which opens the dialog. */
  		this.$openButton = $openButton;
  
  		/** @type {jQuery} $dialog The main dialog container */
  		this.$dialog = $( '<div>' )
  			.addClass( 'mw-mmv-dialog' );
  
  		/**
  		 * @property {jQuery} $downArrow Tip of the dialog pointing to $openButton. Called
  		 * downArrow for historical reasons although it does not point down anymore.
  		 */
  		this.$downArrow = $( '<div>' )
  			.addClass( 'mw-mmv-dialog-down-arrow' )
  			.appendTo( this.$dialog );
  
  		this.initWarning();
  
  		this.$dialog.appendTo( this.$container );
  	}
  
  	OO.inheritClass( Dialog, mw.mmv.ui.Element );
  	DP = Dialog.prototype;
  
  	/**
  	 * Creates the DOM element that setWarning()/clearWarning() will operate on.
  	 * @private
  	 */
  	DP.initWarning = function () {
  		this.$warning = $( '<div>' )
  			.addClass( 'mw-mmv-dialog-warning' )
  			.hide()
  			.on( 'click', function ( e ) {
  				// prevent other click handlers such as the download CTA from intercepting clicks at the warning
  				e.stopPropagation();
  			} )
  			.appendTo( this.$dialog );
  	};
  
  	/**
  	 * Handles click on link that opens/closes the dialog.
  	 *
  	 * @param {jQuery.Event} openEvent Event object for the mmv-$dialog-open event.
  	 * @param {jQuery.Event} e Event object for the click event.
  	 * @return {boolean} False to cancel the default event
  	 */
  	DP.handleOpenCloseClick = function ( openEvent, e ) {
  		var dialog = this;
  
  		mw.loader.using( this.loadDependencies, function () {
  			dialog.dependenciesLoaded = true;
  			dialog.toggleDialog( e );
  		}, function ( error ) {
  			if ( window.console && window.console.error ) {
  				window.console.error( 'mw.loader.using error when trying to load dialog dependencies', error );
  			}
  		} );
  
  		return false;
  	};
  
  	/**
  	 * Toggles the open state on the dialog.
  	 *
  	 * @param {jQuery.Event} [e] Event object when the close action is caused by a user
  	 *   action, as opposed to closing the window or something.
  	 */
  	DP.toggleDialog = function ( e ) {
  		if ( this.isOpen ) {
  			this.closeDialog( e );
  		} else {
  			this.openDialog();
  		}
  	};
  
  	/**
  	 * Opens a dialog.
  	 */
  	DP.openDialog = function () {
  		mw.mmv.actionLogger.log( this.eventPrefix + '-open' );
  
  		this.startListeningToOutsideClick();
  		this.$dialog.show();
  		this.isOpen = true;
  		this.$openButton.addClass( 'mw-mmv-dialog-open' );
  	};
  
  	/**
  	 * Closes a dialog.
  	 */
  	DP.closeDialog = function () {
  		if ( this.isOpen ) {
  			mw.mmv.actionLogger.log( this.eventPrefix + '-close' );
  		}
  
  		this.stopListeningToOutsideClick();
  		this.$dialog.hide();
  		this.isOpen = false;
  		this.$openButton.removeClass( 'mw-mmv-dialog-open' );
  	};
  
  	/**
  	 * Sets up the event handler which closes the dialog when the user clicks outside.
  	 */
  	DP.startListeningToOutsideClick = function () {
  		var dialog = this;
  
  		this.outsideClickHandler = this.outsideClickHandler || function ( e ) {
  			var $clickTarget = $( e.target );
  
  			// Don't close the dialog if the click inside a dialog or on an navigation arrow
  			if (
  				$clickTarget.closest( dialog.$dialog ).length ||
  				$clickTarget.closest( '.mw-mmv-next-image' ).length ||
  				$clickTarget.closest( '.mw-mmv-prev-image' ).length ||
  				e.which === 3
  			) {
  				return;
  			}
  
  			dialog.closeDialog();
  			return false;
  		};
  		$( document ).on( 'click.mmv.' + this.eventPrefix, this.outsideClickHandler );
  	};
  
  	/**
  	 * Removes the event handler set up by startListeningToOutsideClick().
  	 */
  	DP.stopListeningToOutsideClick = function () {
  		$( document ).off( 'click.mmv.' + this.eventPrefix, this.outsideClickHandler );
  	};
  
  	/**
  	 * Clears listeners.
  	 */
  	DP.unattach = function () {
  		mw.mmv.ui.Element.prototype.unattach.call( this );
  
  		this.stopListeningToOutsideClick();
  	};
  
  	/**
  	 * @inheritdoc
  	 */
  	DP.empty = function () {
  		this.closeDialog();
  		this.clearWarning();
  	};
  
  	/**
  	 * Displays a warning ribbon.
  	 * @param {string} content Content of the warning (can be HTML,
  	 *   setWarning does no escaping).
  	 */
  	DP.setWarning = function ( content ) {
  		this.$warning
  			.empty()
  			.append( content )
  			.show();
  		this.$dialog.addClass( 'mw-mmv-warning-visible' );
  	};
  
  	/**
  	 * Removes the warning ribbon.
  	 */
  	DP.clearWarning = function () {
  		this.$warning.hide();
  		this.$dialog.removeClass( 'mw-mmv-warning-visible' );
  	};
  
  	/**
  	 * @param {mw.mmv.model.Image} image
  	 * @return {string[]}
  	 */
  	DP.getImageWarnings = function ( image ) {
  		var warnings = [];
  
  		if ( image.deletionReason ) {
  			warnings.push( mw.message( 'multimediaviewer-reuse-warning-deletion' ).plain() );
  			// Don't inform about other warnings (they may be the cause of the deletion)
  			return warnings;
  		}
  
  		if ( !image.license || image.license.needsAttribution() && !image.author && !image.attribution ) {
  			warnings.push( mw.message( 'multimediaviewer-reuse-warning-noattribution' ).plain() );
  		}
  
  		if ( image.license && !image.license.isFree() ) {
  			warnings.push( mw.message( 'multimediaviewer-reuse-warning-nonfree' ).plain() );
  		}
  
  		return warnings;
  	};
  
  	/**
  	 * @param {mw.mmv.model.Image} image
  	 */
  	DP.showImageWarnings = function ( image ) {
  		var warnings = this.getImageWarnings( image );
  
  		if ( warnings.length > 0 ) {
  			warnings.push( mw.message( 'multimediaviewer-reuse-warning-generic', image.descriptionUrl ).parse() );
  			this.setWarning( warnings.join( '<br />' ) );
  		} else {
  			this.clearWarning();
  		}
  	};
  
  	mw.mmv.ui.Dialog = Dialog;
  }() );
  