From 2f23fbac16729329ca507f45e0afe613e195641f Mon Sep 17 00:00:00 2001
From: Andrew Garrett <werdna@users.mediawiki.org>
Date: Sat, 6 Dec 2008 00:32:12 +0000
Subject: [PATCH] Fix up Configure extension logo setting handling: * Replace
 annoying button with an onblur preview and server-side conversion of file
 names into URLs.

---
 includes/AjaxFunctions.php   | 15 +++++++++++++++
 includes/DefaultSettings.php |  2 +-
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/includes/AjaxFunctions.php b/includes/AjaxFunctions.php
index d18f7a975c..1a9adbcaa5 100644
--- a/includes/AjaxFunctions.php
+++ b/includes/AjaxFunctions.php
@@ -139,5 +139,20 @@ function wfAjaxGetThumbnailUrl( $file, $width, $height ) {
 		
 	$url = $file->getThumbnail( $width, $height )->url;
 	
+	return $url;
+}
+
+/**
+ * Called in some places (currently just extensions)
+ * to get the URL for a given file.
+ */
+function wfAjaxGetFileUrl( $file ) {
+	$file = wfFindFile( $file );
+	
+	if ( !$file || !$file->exists() )
+		return null;
+		
+	$url = $file->getUrl();
+	
 	return $url;
 }
\ No newline at end of file
diff --git a/includes/DefaultSettings.php b/includes/DefaultSettings.php
index 06035d4bac..4510a912d4 100644
--- a/includes/DefaultSettings.php
+++ b/includes/DefaultSettings.php
@@ -3328,7 +3328,7 @@ $wgUseAjax = true;
  * List of Ajax-callable functions.
  * Extensions acting as Ajax callbacks must register here
  */
-$wgAjaxExportList = array( 'wfAjaxGetThumbnailUrl' );
+$wgAjaxExportList = array( 'wfAjaxGetThumbnailUrl', 'wfAjaxGetFileUrl' );
 
 /**
  * Enable watching/unwatching pages using AJAX.
-- 
2.20.1