1 files changed, 72 insertions, 0 deletions
diff --git a/includes/media/GIF.php b/includes/media/GIF.php
new file mode 100644
index 00000000..dbe5f813
--- /dev/null
+++ b/includes/media/GIF.php
@@ -0,0 +1,72 @@
+<?php
+/**
+ * @file
+ * @ingroup Media
+ */
+
+/**
+ * Handler for GIF images.
+ *
+ * @ingroup Media
+ */
+class GIFHandler extends BitmapHandler {
+	
+	function getMetadata( $image, $filename ) {
+		if ( !isset($image->parsedGIFMetadata) ) {
+			try {
+				$image->parsedGIFMetadata = GIFMetadataExtractor::getMetadata( $filename );
+			} catch( Exception $e ) {
+				// Broken file?
+				wfDebug( __METHOD__ . ': ' . $e->getMessage() . "\n" );
+				return '0';
+			}
+		}
+
+		return serialize($image->parsedGIFMetadata);
+
+	}
+	
+	function formatMetadata( $image ) {
+		return false;
+	}
+	
+	function getImageArea( $image, $width, $height ) {
+		$ser = $image->getMetadata();
+		if ($ser) {
+			$metadata = unserialize($ser);
+			return $width * $height * $metadata['frameCount'];
+		} else {
+			return $width * $height;
+		}
+	}
+	
+	function getMetadataType( $image ) {
+		return 'parsed-gif';
+	}
+	
+	function getLongDesc( $image ) {
+		global $wgUser, $wgLang;
+		$sk = $wgUser->getSkin();
+		
+		$metadata = @unserialize($image->getMetadata());
+		
+		if (!$metadata) return parent::getLongDesc( $image );
+		
+		$info = array();
+		$info[] = $image->getMimeType();
+		$info[] = $sk->formatSize( $image->getSize() );
+		
+		if ($metadata['looped'])
+			$info[] = wfMsgExt( 'file-info-gif-looped', 'parseinline' );
+		
+		if ($metadata['frameCount'] > 1)
+			$info[] = wfMsgExt( 'file-info-gif-frames', 'parseinline', $metadata['frameCount'] );
+		
+		if ($metadata['duration'])
+			$info[] = $wgLang->formatTimePeriod( $metadata['duration'] );
+		
+		$infoString = $wgLang->commaList( $info );
+		
+		return "($infoString)";
+	}
+}