mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/MultimediaViewer
synced 2024-11-25 00:25:47 +00:00
b46529d1b2
These replace the hard-coded jshint task in CI. Change-Id: Id14eec1ecba4ceae735ffd10f9114233a580302f
90 lines
3.2 KiB
JavaScript
90 lines
3.2 KiB
JavaScript
/*
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* This file is part of the MediaWiki extension MultimediaViewer.
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*
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* MultimediaViewer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* MultimediaViewer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with MultimediaViewer. If not, see <http://www.gnu.org/licenses/>.
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*/
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( function ( mw, oo, $ ) {
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/**
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* Gets thumbnail information.
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*
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* See https://www.mediawiki.org/wiki/API:Properties#imageinfo_.2F_ii
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*
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* @class mw.mmv.provider.ThumbnailInfo
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* @extends mw.mmv.provider.Api
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* @constructor
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* @param {mw.Api} api
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* @param {Object} [options]
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* @cfg {number} [maxage] cache expiration time, in seconds
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* Will be used for both client-side cache (maxage) and reverse proxies (s-maxage)
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*/
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function ThumbnailInfo( api, options ) {
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mw.mmv.provider.Api.call( this, api, options );
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}
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oo.inheritClass( ThumbnailInfo, mw.mmv.provider.Api );
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/**
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* Runs an API GET request to get the thumbnail info for the specified size.
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* The thumbnail always has the same aspect ratio as the full image.
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* One of width or height can be null; if both are set, the API will return the largest
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* thumbnail which fits into a width x height bounding box (or the full-sized image - whichever
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* is smaller).
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*
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* @param {mw.Title} file
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* @param {number} width thumbnail width in pixels
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* @param {number} height thumbnail height in pixels
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* @return {jQuery.Promise.<mw.mmv.model.Thumbnail>}
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*/
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ThumbnailInfo.prototype.get = function ( file, width, height ) {
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var provider = this,
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cacheKey = file.getPrefixedDb() + '|' + ( width || '' ) + '|' + ( height || '' );
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return this.getCachedPromise( cacheKey, function () {
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return provider.apiGetWithMaxAge( {
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action: 'query',
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prop: 'imageinfo',
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titles: file.getPrefixedDb(),
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iiprop: 'url',
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iiurlwidth: width, // mw.Api will omit null/undefined parameters
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iiurlheight: height
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} ).then( function ( data ) {
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return provider.getQueryPage( file, data );
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} ).then( function ( page ) {
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var imageInfo;
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if ( page.imageinfo && page.imageinfo[ 0 ] ) {
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imageInfo = page.imageinfo[ 0 ];
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if ( imageInfo.thumburl && imageInfo.thumbwidth && imageInfo.thumbheight ) {
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return $.Deferred().resolve(
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new mw.mmv.model.Thumbnail(
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imageInfo.thumburl,
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imageInfo.thumbwidth,
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imageInfo.thumbheight
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)
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);
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} else {
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return $.Deferred().reject( 'error in provider, thumb info not found' );
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}
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} else if ( page.missing === '' && page.imagerepository === '' ) {
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return $.Deferred().reject( 'file does not exist: ' + file.getPrefixedDb() );
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} else {
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return $.Deferred().reject( 'unknown error' );
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}
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} );
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} );
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};
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mw.mmv.provider.ThumbnailInfo = ThumbnailInfo;
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}( mediaWiki, OO, jQuery ) );
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