From: Ryan Schmidt <skizzerz@users.mediawiki.org>
Date: Tue, 24 Jun 2008 14:32:49 +0000 (+0000)
Subject: * add new hook LinkerMakeExternalImage to allow extensions to modify the HTML output... 
X-Git-Tag: 1.31.0-rc.0~46897
X-Git-Url: http://git.cyclocoop.org/%22.%24image2.%22?a=commitdiff_plain;h=40ccb73c4d5fd3a733357f1381e712fe16eb5646;p=lhc%2Fweb%2Fwiklou.git

* add new hook LinkerMakeExternalImage to allow extensions to modify the HTML output of external images
---

diff --git a/RELEASE-NOTES b/RELEASE-NOTES
index 839f87e7d7..54c13c436e 100644
--- a/RELEASE-NOTES
+++ b/RELEASE-NOTES
@@ -160,6 +160,8 @@ it from source control: http://www.mediawiki.org/wiki/Download_from_SVN
 * (bug 14558) New system message (emailuserfooter) is now added to the footer of 
   e-mails sent with Special:Emailuser
 * Add support for Hijri (Islamic) calendar
+* Add a new hook LinkerMakeExternalImage to allow extensions to modify the output of
+  external (hotlinked) images.
   
 === Bug fixes in 1.13 ===
 
diff --git a/docs/hooks.txt b/docs/hooks.txt
index 2357c654c2..c1475ac1b3 100644
--- a/docs/hooks.txt
+++ b/docs/hooks.txt
@@ -731,6 +731,11 @@ $lang: laguage code (string)
 $specialPageAliases: associative array of magic words synonyms
 $lang: laguage code (string)
 
+'LinkerMakeExternalImage': At the end of Linker::makeExternalImage() just before the return
+&$url: the image url
+&alt: the image's alt text
+&$img: the new image HTML (if returning false)
+
 'LinkerMakeExternalLink': At the end of Linker::makeExternalLink() just before the return
 &$url: the link url
 &$text: the link text
diff --git a/includes/Linker.php b/includes/Linker.php
index 142cc5db18..f64f9e4085 100644
--- a/includes/Linker.php
+++ b/includes/Linker.php
@@ -456,6 +456,12 @@ class Linker {
 		if ( '' == $alt ) {
 			$alt = $this->fnamePart( $url );
 		}
+		$img = '';
+		$success = wfRunHooks('LinkerMakeExternalImage', array( &$url, &$alt, &$img ) );
+		if(!$success) {
+			wfDebug("Hook LinkerMakeExternalImage changed the output of external image with url {$url} and alt text {$alt} to {$img}", true);
+			return $img;
+		}
 		$s = '<img src="'.$url.'" alt="'.$alt.'" />';
 		return $s;
 	}