From 5d95c385be2209c79bbc75ef841942f7de295c3c Mon Sep 17 00:00:00 2001
From: Priyanka Dhanda <pdhanda@users.mediawiki.org>
Date: Fri, 10 Dec 2010 22:47:16 +0000
Subject: [PATCH] If we only want to show the diff this should make it faster.
 Sort of related to to bug 25757

---
 includes/diff/DifferenceEngine.php | 26 ++++++++++++++------------
 1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/includes/diff/DifferenceEngine.php b/includes/diff/DifferenceEngine.php
index f18d655f96..6b026b0990 100644
--- a/includes/diff/DifferenceEngine.php
+++ b/includes/diff/DifferenceEngine.php
@@ -427,6 +427,10 @@ CONTROL;
 		wfProfileIn( __METHOD__ );
 
 		$wgOut->addHTML( "<hr /><h2>{$this->mPagetitle}</h2>\n" );
+		if ( !wfRunHooks( 'ArticleContentOnDiff', array( $this, $wgOut ) ) ) {
+			return;
+		}
+		
 		# Add deleted rev tag if needed
 		if ( !$this->mNewRev->userCan( Revision::DELETED_TEXT ) ) {
 			$wgOut->wrapWikiMsg( "<div class='mw-warning plainlinks'>\n$1\n</div>\n", 'rev-deleted-text-permission' );
@@ -456,19 +460,17 @@ CONTROL;
 				$wgOut->addHTML( htmlspecialchars( $this->mNewtext ) );
 				$wgOut->addHTML( "\n</pre>\n" );
 			}
-		} elseif ( wfRunHooks( 'ArticleContentOnDiff', array( $this, $wgOut ) ) ) {
-			if ( $pCache ) {
-				$article = new Article( $this->mTitle, 0 );
-				$pOutput = ParserCache::singleton()->get( $article, $wgOut->parserOptions() );
-				if ( $pOutput ) {
-					$wgOut->addParserOutput( $pOutput );
-				} else {
-					$article->doViewParse();
-				}
+		} elseif ( $pCache ) {
+			$article = new Article( $this->mTitle, 0 );
+			$pOutput = ParserCache::singleton()->get( $article, $wgOut->parserOptions() );
+			if( $pOutput ) {
+				$wgOut->addParserOutput( $pOutput );
 			} else {
-				$wgOut->addWikiTextTidy( $this->mNewtext );
-			}
-		}
+				$article->doViewParse();
+			} 
+		} else {
+			$wgOut->addWikiTextTidy( $this->mNewtext );
+		}	
 
 		if ( is_object( $this->mNewRev ) && !$this->mNewRev->isCurrent() ) {
 			$wgOut->parserOptions()->setEditSection( $oldEditSectionSetting );
-- 
2.20.1