From 05bd3caaf9f46afedbc34e43414ba3c3ace252d0 Mon Sep 17 00:00:00 2001
From: Charles Kerr <charles@transmissionbt.com>
Date: Sun, 24 May 2009 01:29:03 +0000
Subject: [PATCH] (trunk web) #2052: when adding new torrents to the list (such
 as on startup), batch together all the additions to prevent unnecessary dom
 reflows

---
 web/javascript/torrent.js      |  8 ++++----
 web/javascript/transmission.js | 13 +++++--------
 2 files changed, 9 insertions(+), 12 deletions(-)

diff --git a/web/javascript/torrent.js b/web/javascript/torrent.js
index 93f2edd05..46e766306 100644
--- a/web/javascript/torrent.js
+++ b/web/javascript/torrent.js
@@ -6,8 +6,8 @@
  *	Class Torrent
  */
 
-function Torrent(controller,data) {
-    this.initialize(controller,data);
+function Torrent(domParent,controller,data) {
+    this.initialize(domParent,controller,data);
 } 
 
 // Constants
@@ -23,7 +23,7 @@ Torrent.prototype =
 	/*
 	 * Constructor
 	 */
-	initialize: function(controller, data) {
+	initialize: function(domParent,controller, data) {
 		this._id            = data.id;
 		this._is_private    = data.isPrivate;
 		this._hashString    = data.hashString;
@@ -102,7 +102,7 @@ Torrent.prototype =
 			this._element.css('margin-top', '7px');
 		
 		// insert the element
-		this._controller._torrent_list.appendChild( top_e );
+		domParent.appendChild(top_e);
 
 		this.initializeTorrentFilesInspectorGroup();
 
diff --git a/web/javascript/transmission.js b/web/javascript/transmission.js
index 22a8dc1cb..9e47f3f47 100644
--- a/web/javascript/transmission.js
+++ b/web/javascript/transmission.js
@@ -1154,14 +1154,11 @@ Transmission.prototype =
 	},
 
 	addTorrents: function( new_torrents ){
-		var tr = this;
-
-		$.each( new_torrents, function(){
-			var torrent = this;
-			tr._torrents.push( new Torrent( tr, torrent ) );
-		});
-
-		this.refilter();
+		var fragment = document.createDocumentFragment( );
+		for( var i=0, row; row=new_torrents[i]; ++i )
+			this._torrents.push( new Torrent( fragment, this, row ) );
+		this._torrent_list.appendChild( fragment );
+		this.refilter( );
 	},
 
 	deleteTorrents: function(torrent_ids){