Fix for 136985, add api for finding out if a global window is running a timeout or still loading, r=jst, sr=blake

dom/public/base/nsPIDOMWindow.h

@@ -84,6 +84,8 @@ public:
   NS_IMETHOD GetExtantDocument(nsIDOMDocument** aDocument) = 0;
 
   NS_IMETHOD ReallyCloseWindow() = 0;
+
+  NS_IMETHOD IsLoadingOrRunningTimeout(PRBool* aResult) = 0;
 };
 
 #endif // nsPIDOMWindow_h__

dom/src/base/nsGlobalWindow.cpp

@@ -2813,6 +2813,13 @@ GlobalWindowImpl::ReallyCloseWindow()
   return NS_OK;
 }
 
+NS_IMETHODIMP
+GlobalWindowImpl::IsLoadingOrRunningTimeout(PRBool* aResult)
+{
+  *aResult = !mIsDocumentLoaded || mRunningTimeout;
+  return NS_OK;
+}
+
 NS_IMETHODIMP
 GlobalWindowImpl::UpdateCommands(const nsAString& anAction)
 {

dom/src/base/nsGlobalWindow.h

@@ -187,6 +187,7 @@ public:
   NS_IMETHOD GetExtantDocument(nsIDOMDocument** aDocument);
 
   NS_IMETHOD ReallyCloseWindow();
+  NS_IMETHOD IsLoadingOrRunningTimeout(PRBool* aResult);
 
   // nsIDOMViewCSS
   NS_DECL_NSIDOMVIEWCSS

modules/libpref/src/init/all.js

@@ -690,3 +690,6 @@ pref("update_notifications.provider.0.datasource", "chrome://communicator-region
 // if true, allow plug-ins to override internal imglib decoder mime types in full-page mode
 pref("plugin.override_internal_types", false);
 
+// See bug 136985.  Gives embedders a pref to hook into to show
+// a popup blocker if they choose.
+pref("browser.popups.showPopupBlocker", true);