Support for all manner of images

Thumbnails still supported, but we also do categories and galleries,
now!

https://mingle.corp.wikimedia.org/projects/multimedia/cards/57

Change-Id: Ieee973eb165eec3e4cff1f0d387e2c20369e126b

MultimediaViewer.php

@@ -127,7 +127,8 @@ foreach ( $licenses as $license ) {
 
 $wgAutoloadClasses['MultimediaViewerHooks'] = __DIR__ . '/MultimediaViewerHooks.php';
 $wgHooks['GetBetaFeaturePreferences'][] = 'MultimediaViewerHooks::getBetaPreferences';
-$wgHooks['BeforePageDisplay'][] = 'MultimediaViewerHooks::getModules';
+$wgHooks['BeforePageDisplay'][] = 'MultimediaViewerHooks::getModulesForArticle';
+$wgHooks['CategoryPageView'][] = 'MultimediaViewerHooks::getModulesForCategory';
 $wgHooks['ResourceLoaderGetConfigVars'][] = 'MultimediaViewerHooks::resourceLoaderGetConfigVars';
 
 $wgExtensionCredits['other'][] = array(

MultimediaViewerHooks.php

@@ -28,7 +28,24 @@ class MultimediaViewerHooks {
 	/** Link to a page where this module can be discussed */
 	protected static $discussionLink = '//mediawiki.org/wiki/Special:MyLanguage/Talk:Multimedia/About_Media_Viewer';
 
-	/*
+	/**
+	 * Handler for all places where we add the modules
+	 * Could be on article pages or on Category pages
+	 * @param OutputPage $out
+	 * @return bool
+	 */
+	protected static function getModules( &$out ) {
+		if ( class_exists( 'BetaFeatures')
+			&& !BetaFeatures::isFeatureEnabled( $out->getUser(), 'multimedia-viewer' ) ) {
+			return true;
+		}
+
+		$out->addModules( array( 'ext.multimediaViewer' ) );
+
+		return true;
+	}
+
+	/**
 	 * Handler for BeforePageDisplay hook
 	 * Add JavaScript to the page when an image is on it
 	 * and the user has enabled the feature if BetaFeatures is installed
@@ -36,13 +53,26 @@ class MultimediaViewerHooks {
 	 * @param Skin $skin
 	 * @return bool
 	 */
-	public static function getModules( &$out, &$skin ) {
-		if ( class_exists( 'BetaFeatures')
-			&& !BetaFeatures::isFeatureEnabled( $out->getUser(), 'multimedia-viewer' ) ) {
-			return true;
-		}
+	public static function getModulesForArticle( &$out, &$skin ) {
 		if ( count( $out->getFileSearchOptions() ) > 0 ) {
-			$out->addModules( array( 'ext.multimediaViewer' ) );
+			return self::getModules( $out );
+		}
+
+		return true;
+	}
+
+	/**
+	 * Handler for CategoryPageView hook
+	 * Add JavaScript to the page if there are images in the category
+	 * @param CategoryPage $catPage
+	 * @return bool
+	 */
+	public static function getModulesForCategory( &$catPage ) {
+		$title = $catPage->getTitle();
+		$cat = Category::newFromTitle( $title );
+		if ( $cat->getFileCount() > 0 ) {
+			$out = $catPage->getContext()->getOutput();
+			return self::getModules( $out );
 		}
 
 		return true;

js/ext.multimediaViewer.js

@@ -50,7 +50,7 @@
 		};
 
 	function MultimediaViewer() {
-		var $thumbs = $( '.thumbimage' ),
+		var $thumbs = $( '.gallery .image img, a.image img' ),
 			urls = [],
 			viewer = this;
 
@@ -90,11 +90,18 @@
 
 				viewer.lightbox.currentIndex = index;
 
+				if ( $thumbContain.length === 0 ) {
+					// This isn't a thumbnail! Just use the link.
+					$thumbContain = $link;
+				} else if ( $thumbContain.is( '.thumb' ) ) {
+					$thumbContain = $thumbContain.find( '.image' );
+				}
+
 				// Open with the already-loaded thumbnail
 				// Avoids trying to load /wiki/Undefined and doesn't
 				// cost any network time - the library currently needs
 				// some src attribute to work. Will fix.
-				viewer.lightbox.images[index].src = $this.closest( '.thumb' ).find( '.image img' ).prop( 'src' );
+				viewer.lightbox.images[index].src = $thumbContain.find( 'img' ).prop( 'src' );
 				viewer.lightbox.open();
 				viewer.lightbox.iface.$imageDiv.append( $.createSpinner( {
 					id: 'mw-mlb-loading-spinner',