jpegmeta: Add links to source version and improve documentation

* The closure added when this lib was imported included a jQuery
  reference, which is unnecessary.
* Remove "Starts here" and "Ends here" comments.
* Resolve the "no clue" comment.

Change-Id: Ia4b66be455e28981832a4bdd8e7d3cb290d94d54

diff --git a/resources/mediawiki.libs/mediawiki.libs.jpegmeta.js b/resources/mediawiki.libs/mediawiki.libs.jpegmeta.js
index 2242924..b3ed88c 100644 (file)
--- a/resources/mediawiki.libs/mediawiki.libs.jpegmeta.js
+++ b/resources/mediawiki.libs/mediawiki.libs.jpegmeta.js
@@ -1,10 +1,16 @@
-/* This is JsJpegMeta 1.0, ported to MediaWiki ResourceLoader by Bryan Tong Minh */
-/* The following lines where changed with respect to the original: 54, 625-627 */
+/**
+ * This is JsJpegMeta v1.0
+ * From: https://code.google.com/p/jsjpegmeta/downloads/list
+ * From: https://github.com/bennoleslie/jsjpegmeta/blob/v1.0.0/jpegmeta.js
+ *
+ * Ported to MediaWiki ResourceLoader by Bryan Tong Minh
+ * Changes:
+ * - Add closure.
+ * - Add this.JpegMeta assignment to expose it as global.
+ * - Add mw.libs.jpegmeta wrapper.
+ */
 
-(function( $ ) {
-
-       /* JsJpegMeta starts here */
-       
+( function () {
        /*
        Copyright (c) 2009 Ben Leslie
        
@@ -52,7 +58,8 @@
        */
 
        var JpegMeta = {};
-       this.JpegMeta = JpegMeta; // I have no clue why I need this magic... -- Bryan
+       // MediaWiki: Expose as global
+       this.JpegMeta = JpegMeta;
        
        /* 
           parse an unsigned number of size bytes at offset in some binary string data.
@@ -721,11 +728,10 @@
                }
            }
        };
-       
-       /* JsJpegMeta ends here */
 
+       // MediaWiki: Add mw.libs wrapper
        mw.libs.jpegmeta = function( fileReaderResult, fileName ) {
                return new JpegMeta.JpegFile( fileReaderResult, fileName );
        };
 
-} )( jQuery );
+}() );