Merge "Combine SpecialPageBeforeFormDisplay set of hooks into one"
[lhc/web/wiklou.git] / thumb.php
index 3d49a43..c611dc3 100644 (file)
--- a/thumb.php
+++ b/thumb.php
@@ -116,6 +116,10 @@ function wfStreamThumb( array $params ) {
                $params['width'] = $params['w'];
                unset( $params['w'] );
        }
+       if ( isset( $params['width'] ) && substr( $params['width'], -2 ) == 'px' ) {
+               // strip the px (pixel) suffix, if found
+               $params['width'] = substr( $width, 0, strlen( $width ) - 2 );
+       }
        if ( isset( $params['p'] ) ) {
                $params['page'] = $params['p'];
        }
@@ -383,9 +387,17 @@ function wfGenerateThumbnail( File $file, array $params, $thumbName, $thumbPath
        $thumb = false;
        $errorHtml = false;
 
+       // guard thumbnail rendering with PoolCounter to avoid stampedes
+       // expensive files use a separate PoolCounter config so it is possible to set up a global limit on them
+       if ( $file->isExpensiveToThumbnail() ) {
+               $poolCounterType = 'FileRenderExpensive';
+       } else {
+               $poolCounterType = 'FileRender';
+       }
+
        // Thumbnail isn't already there, so create the new thumbnail...
        try {
-               $work = new PoolCounterWorkViaCallback( 'FileRender', sha1( $file->getName() ),
+               $work = new PoolCounterWorkViaCallback( $poolCounterType, sha1( $file->getName() ),
                        array(
                                'doWork' => function() use ( $file, $params ) {
                                        return $file->transform( $params, File::RENDER_NOW );
@@ -394,7 +406,7 @@ function wfGenerateThumbnail( File $file, array $params, $thumbName, $thumbPath
                                        // If the worker that finished made this thumbnail then use it.
                                        // Otherwise, it probably made a different thumbnail for this file.
                                        return $file->getRepo()->fileExists( $thumbPath )
-                                               ? $file->transform( $params )
+                                               ? $file->transform( $params, File::RENDER_NOW )
                                                : false; // retry once more in exclusive mode
                                },
                                'fallback' => function() {