From 19169de44160f8070ee20879a1bdbf3457f43e79 Mon Sep 17 00:00:00 2001
From: "sspitzer%netscape.com" <sspitzer%netscape.com>
Date: Tue, 1 May 2001 02:56:12 +0000
Subject: [PATCH] fix #76626.  leaking nsXULDocument and nsXULTemplateBuilder
 slows down subscribe dialog the second time, and asserts like mad in debug
 builds. r=varada, sr=bienvenu (and waterson)

---
 mailnews/base/resources/content/subscribe.js  | 10 ++++++++++
 mailnews/base/resources/content/subscribe.xul |  1 +
 2 files changed, 11 insertions(+)

diff --git a/mailnews/base/resources/content/subscribe.js b/mailnews/base/resources/content/subscribe.js
index 0855d601d8c..516e13c96fc 100644
--- a/mailnews/base/resources/content/subscribe.js
+++ b/mailnews/base/resources/content/subscribe.js
@@ -149,6 +149,16 @@ function SetUpTree(forceToServer)
 }
 
 
+function SubscribeOnUnload()
+{
+  try {
+    gSubscribeTree.database.RemoveDataSource(subscribeDS);
+  }
+  catch (ex) {
+    dump("failed to remove the subscribe ds: " + ex + "\n");
+  }
+}
+
 function SubscribeOnLoad()
 {
 	//dump("SubscribeOnLoad()\n");
diff --git a/mailnews/base/resources/content/subscribe.xul b/mailnews/base/resources/content/subscribe.xul
index a51ea682dd9..28a3cb24b18 100644
--- a/mailnews/base/resources/content/subscribe.xul
+++ b/mailnews/base/resources/content/subscribe.xul
@@ -37,6 +37,7 @@ Rights Reserved.
         id="subscribeWindow"
         persist="width height screenX screenY"
         onload="SubscribeOnLoad()"
+        onunload="SubscribeOnUnload()"
         onclose="Stop()">
         
 <stringbundle id="bundle_subscribe" src="chrome://messenger/locale/subscribe.properties"/>