Fix assorted issues with fastback, including adding progress listener notifications and introducing the PageHide and PageShow events. See bug 292971 for all of the details. r=darin, sr=bzbarsky, a=shaver.

suite/browser/linkToolbarOverlay.js

@@ -131,8 +131,8 @@ function()
     linkToolbarUI.toolbarActive = true;
     document.getElementById("linktoolbar").setAttribute("hasitems", "true");
     var contentArea = document.getElementById("appcontent");
-    contentArea.addEventListener("unload", linkToolbarUI.clear, true);
-    contentArea.addEventListener("load", linkToolbarUI.deactivate, true);
+    contentArea.addEventListener("PageHide", linkToolbarUI.clear, true);
+    contentArea.addEventListener("PageShow", linkToolbarUI.deactivate, true);
     contentArea.addEventListener("DOMHeadLoaded", linkToolbarUI.deactivate,
                                  true);
   }
@@ -150,8 +150,8 @@ function()
     linkToolbarUI.toolbarActive = false;
     document.getElementById("linktoolbar").setAttribute("hasitems", "false");
     var contentArea = document.getElementById("appcontent");
-    contentArea.removeEventListener("unload", linkToolbarUI.clear, true);
-    contentArea.removeEventListener("load", linkToolbarUI.deactivate, true);
+    contentArea.removeEventListener("PageHide", linkToolbarUI.clear, true);
+    contentArea.removeEventListener("PageShow", linkToolbarUI.deactivate, true);
     contentArea.removeEventListener("DOMHeadLoaded", linkToolbarUI.deactivate,
                                     true);
   }
@@ -249,7 +249,7 @@ function()
   if (!linkToolbarUI.initialized)
   {
     linkToolbarUI.initialized = true;
-    document.removeEventListener("load", linkToolbarUI.initHandlers, true);
+    document.removeEventListener("PageShow", linkToolbarUI.initHandlers, true);
   }
 }
 

suite/browser/linkToolbarOverlay.xul

@@ -56,7 +56,7 @@
 
   <script type="application/x-javascript">
     <![CDATA[
-      document.addEventListener("load", linkToolbarUI.initHandlers, true);
+      document.addEventListener("PageShow", linkToolbarUI.initHandlers, true);
     ]]>
   </script>
 

suite/browser/navigator.js

@@ -248,7 +248,7 @@ function removePopupPermListener(observer)
 * one listener that calls all real handlers.
 */
 
-function loadEventHandlers(event)
+function pageShowEventHandlers(event)
 {
   // Filter out events that are not about the document load we are interested in
   if (event.originalTarget == content.document) {
@@ -554,7 +554,7 @@ function Startup()
   // (rjc note: not the entire window, otherwise we'll get sidebar pane loads too!)
   //  so we'll be notified when onloads complete.
   var contentArea = document.getElementById("appcontent");
-  contentArea.addEventListener("load", loadEventHandlers, true);
+  contentArea.addEventListener("PageShow", pageShowEventHandlers, true);
   contentArea.addEventListener("focus", contentAreaFrameFocus, true);
 
   var turboMode = false;