/* * 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 . */ ( function ( mw, $, oo ) { var LIP; /** * Represents the main interface of the lightbox * @class mw.mmv.LightboxInterface * @extends mw.mmv.ui.Element * @constructor */ function LightboxInterface() { /** @property {mw.mmv.Config} config - */ this.config = new mw.mmv.Config( mw.config.get( 'wgMultimediaViewer', {} ), mw.config, mw.user, new mw.Api(), window.localStorage ); /** * @property {mw.mmv.ThumbnailWidthCalculator} * @private */ this.thumbnailWidthCalculator = new mw.mmv.ThumbnailWidthCalculator(); this.init(); mw.mmv.ui.Element.call( this, this.$wrapper ); } oo.inheritClass( LightboxInterface, mw.mmv.ui.Element ); LIP = LightboxInterface.prototype; /** * The currently selected LightboxImage. * @type {mw.mmv.LightboxImage} * @protected */ LIP.currentImage = null; /** * Initialize the entire interface - helper method. */ LIP.init = function () { // SVG filter, needed to achieve blur in Firefox this.$filter = $( '' ); this.$wrapper = $( '
' ) .addClass( 'mw-mmv-wrapper' ); this.$main = $( '
' ) .addClass( 'mw-mmv-main' ); // I blame CSS for this this.$innerWrapper = $( '
' ) .addClass( 'mw-mmv-image-inner-wrapper' ); this.$imageWrapper = $( '
' ) .addClass( 'mw-mmv-image-wrapper' ) .append( this.$innerWrapper ); this.$preDiv = $( '
' ) .addClass( 'mw-mmv-pre-image' ); this.$postDiv = $( '
' ) .addClass( 'mw-mmv-post-image' ); this.$aboveFold = $( '
' ) .addClass( 'mw-mmv-above-fold' ); this.$main.append( this.$preDiv, this.$imageWrapper, this.$postDiv, this.$filter ); this.$wrapper.append( this.$main ); this.setupCanvasButtons(); this.panel = new mw.mmv.ui.MetadataPanel( this.$postDiv, this.$aboveFold, window.localStorage, this.config ); this.buttons = new mw.mmv.ui.CanvasButtons( this.$preDiv, this.$closeButton, this.$fullscreenButton ); this.canvas = new mw.mmv.ui.Canvas( this.$innerWrapper, this.$imageWrapper, this.$wrapper ); this.fileReuse = new mw.mmv.ui.reuse.Dialog( this.$innerWrapper, this.buttons.$reuse, this.config ); this.downloadDialog = new mw.mmv.ui.download.Dialog( this.$innerWrapper, this.buttons.$download, this.config ); }; /** * Sets up the file reuse data in the DOM * @param {mw.mmv.model.Image} image * @param {mw.mmv.model.Repo} repo * @param {string} caption */ LIP.setFileReuseData = function ( image, repo, caption ) { this.fileReuse.set( image, repo, caption ); this.downloadDialog.set( image, repo ); }; /** * Empties the interface. */ LIP.empty = function () { this.panel.empty(); this.canvas.empty(); this.buttons.empty(); }; /** * Opens the lightbox. */ LIP.open = function () { this.empty(); this.attach(); }; /** * Attaches the interface to the DOM. * @param {string} [parentId] parent id where we want to attach the UI. Defaults to document * element, override is mainly used for testing. */ LIP.attach = function ( parentId ) { var ui = this, $parent; // Advanced description needs to be below the fold when the lightbox opens // regardless of what the scroll value was prior to opening the lightbox // If the lightbox is already attached, it means we're doing prev/next, and // we should avoid scrolling the panel if ( !this.attached ) { $.scrollTo( 0, 0 ); } // Make sure that the metadata is going to be at the bottom when it appears // 83 is the height of the top metadata area. Which can't be measured by // reading the DOM at this point of the execution, unfortunately this.$postDiv.css( 'top', ( $( window ).height() - 83 ) + 'px' ); // Re-appending the same content can have nasty side-effects // Such as the browser leaving fullscreen mode if the fullscreened element is part of it if ( this.currentlyAttached ) { return; } this.handleEvent( 'keyup', function ( e ) { if ( e.keyCode === 27 && !( e.altKey || e.ctrlKey || e.shiftKey || e.metaKey) ) { // Escape button pressed ui.unattach(); } } ); this.handleEvent( 'jq-fullscreen-change.lip', function( e ) { ui.fullscreenChange( e ); } ); this.handleEvent( 'keydown', function ( e ) { ui.keydown( e ); } ); // mousemove generates a ton of events, which is why we throttle it this.handleEvent( 'mousemove.lip', $.throttle( 250, function( e ) { ui.mousemove( e ); } ) ); this.handleEvent( 'mmv-faded-out', function ( e ) { ui.fadedOut( e ); } ); this.handleEvent( 'mmv-fade-stopped', function ( e ) { ui.fadeStopped( e ); } ); $parent = $( parentId || document.body ); // Clean up fullscreen data because hard-existing fullscreen might have left // jquery.fullscreen unable to remove the class and attribute, since $main wasn't // attached to the DOM anymore at the time the jq-fullscreen-change event triggered this.$main.data( 'isFullscreened', false ).removeClass( 'jq-fullscreened' ); this.isFullscreen = false; $parent .append( this.$wrapper ); this.currentlyAttached = true; this.panel.attach(); this.canvas.attach(); // Buttons fading might not had been reset properly after a hard fullscreen exit // This needs to happen after the parent attach() because the buttons need to be attached // to the DOM for $.fn.stop() to work this.buttons.stopFade(); this.buttons.attach(); this.fileReuse.attach(); this.downloadDialog.attach(); // Reset the cursor fading this.fadeStopped(); this.attached = true; }; /** * Detaches the interface from the DOM. */ LIP.unattach = function () { mw.mmv.actionLogger.log( 'close' ); this.$wrapper.detach(); this.currentlyAttached = false; this.panel.unattach(); this.canvas.unattach(); this.buttons.unattach(); this.fileReuse.unattach(); this.fileReuse.closeDialog(); this.downloadDialog.unattach(); this.downloadDialog.closeDialog(); this.clearEvents(); // We trigger this event on the document because unattach() can run // when the interface is unattached $( document ).trigger( $.Event( 'mmv-close' ) ) .off( 'jq-fullscreen-change.lip' ); this.attached = false; }; /** * Exits fullscreen mode. */ LIP.exitFullscreen = function () { this.fullscreenButtonJustPressed = true; this.$main.exitFullscreen(); }; /** * Enters fullscreen mode. */ LIP.enterFullscreen = function () { this.$main.enterFullscreen(); }; /** * Setup for canvas navigation buttons */ LIP.setupCanvasButtons = function () { var ui = this, tooltipDelay = mw.config.get( 'wgMultimediaViewer').tooltipDelay; this.$closeButton = $( '
' ) .text( ' ' ) .addClass( 'mw-mmv-close' ) .prop( 'title', mw.message( 'multimediaviewer-close-popup-text' ).text() ) .tipsy( { delayIn: tooltipDelay, gravity: this.isRTL() ? 'nw' : 'ne' } ) .click( function () { ui.unattach(); } ); this.$fullscreenButton = $( '
' ) .text( ' ' ) .addClass( 'mw-mmv-fullscreen' ) .prop( 'title', mw.message( 'multimediaviewer-fullscreen-popup-text' ).text() ) .tipsy( { delayIn: tooltipDelay, gravity: this.isRTL() ? 'nw' : 'ne' } ) .click( function () { if ( ui.isFullscreen ) { ui.exitFullscreen(); } else { ui.enterFullscreen(); } } ); // If the browser doesn't support fullscreen mode, hide the fullscreen button if ( $.support.fullscreen ) { this.$fullscreenButton.show(); } else { this.$fullscreenButton.hide(); } }; /** * Handle a fullscreen change event. * @param {jQuery.Event} e The fullscreen change event. */ LIP.fullscreenChange = function ( e ) { this.isFullscreen = e.fullscreen; if ( this.isFullscreen ) { mw.mmv.actionLogger.log( 'fullscreen' ); this.$fullscreenButton .prop( 'title', mw.message( 'multimediaviewer-defullscreen-popup-text' ).text() ); } else { mw.mmv.actionLogger.log( 'defullscreen' ); this.$fullscreenButton .prop( 'title', mw.message( 'multimediaviewer-fullscreen-popup-text' ).text() ); } if ( !this.fullscreenButtonJustPressed && !e.fullscreen ) { // Close the interface all the way if the user pressed 'esc' this.unattach(); } else if ( this.fullscreenButtonJustPressed ) { this.fullscreenButtonJustPressed = false; } // Fullscreen change events can happen after unattach(), in which // case we shouldn't do anything UI-related if ( !this.currentlyAttached ) { return; } if ( this.isFullscreen ) { // When entering fullscreen without a mousemove, the browser // still thinks that the cursor is where it was prior to entering // fullscreen. I.e. on top of the fullscreen button // Thus, we purposefully reset the saved position, so that // the fade out really takes place (otherwise it's cancelled // by updateControls which is called a few times when fullscreen opens) this.mousePosition = { x: 0, y: 0 }; this.buttons.fadeOut(); } // Some browsers only send resize events before toggling fullscreen, but not once the toggling is done // This makes sure that the UI is properly resized after a fullscreen change this.$main.trigger( $.Event( 'mmv-resize') ); }; /** * Handles keydown events on the document * @param {jQuery.Event} e The jQuery keypress event object */ LIP.keydown = function ( e ) { var forward, isRtl = $( document.body ).hasClass( 'rtl' ); if ( e.altKey || e.shiftKey || e.ctrlKey || e.metaKey ) { return; } switch ( e.which ) { case 37: // Left arrow case 39: // Right arrow e.preventDefault(); forward = ( e.which === 39 ); if ( isRtl ) { forward = !forward; } if ( forward ) { $( document ).trigger( $.Event( 'mmv-next' ) ); } else { $( document ).trigger( $.Event( 'mmv-prev' ) ); } e.preventDefault(); break; } }; /** * Handles mousemove events on the document * @param {jQuery.Event} e The mousemove event object */ LIP.mousemove = function ( e ) { if ( e ) { // Saving the mouse position is useful whenever we need to // run LIP.mousemove manually, such as when going to the next/prev // element this.mousePosition = { x: e.pageX, y: e.pageY }; } if ( this.isFullscreen ) { this.buttons.revealAndFade( this.mousePosition ); } }; /** * Called when the buttons have completely faded out and disappeared */ LIP.fadedOut = function () { this.$main.addClass( 'cursor-hidden' ); }; /** * Called when the buttons have stopped fading and are back into view */ LIP.fadeStopped = function () { this.$main.removeClass( 'cursor-hidden' ); }; /** * Updates the next and prev buttons * @param {boolean} showPrevButton Whether the prev button should be revealed or not * @param {boolean} showNextButton Whether the next button should be revealed or not */ LIP.updateControls = function ( showPrevButton, showNextButton ) { var prevNextTop = ( ( this.$imageWrapper.height() / 2 ) - 60 ) + 'px'; if ( this.$main.data( 'isFullscreened' ) ) { this.$postDiv.css( 'top', '' ); } else { this.$postDiv.css( 'top', this.$imageWrapper.height() ); } this.buttons.setOffset( prevNextTop ); this.buttons.toggle( showPrevButton, showNextButton ); }; mw.mmv.LightboxInterface = LightboxInterface; }( mediaWiki, jQuery, OO ) );