Move AutoJSContextStack and AutoWindowModalState helpers to

embed/xulrunner/utils instead of having two copies of it in src
and embed.

svn path=/trunk/; revision=7424

1 files changed, 48 insertions, 0 deletions

diff --git a/embed/xulrunner/utils/AutoJSContextStack.cpp b/embed/xulrunner/utils/AutoJSContextStack.cpp
new file mode 100644
index 000000000..9c918fc3b
--- /dev/null
+++ b/embed/xulrunner/utils/AutoJSContextStack.cpp
@@ -0,0 +1,48 @@
+/* 
+ *  Copyright © 2006 Christian Persch
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU Lesser General Public License as published by
+ *  the Free Software Foundation; either version 2.1, or (at your option)
+ *  any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *  $Id$
+ */
+
+#include <xpcom-config.h>
+#include "config.h"
+
+#include "AutoJSContextStack.h"
+
+#include <nsIServiceManager.h>
+#include <nsServiceManagerUtils.h>
+
+AutoJSContextStack::~AutoJSContextStack()
+{
+  if (mStack) {
+    JSContext* cx;
+    mStack->Pop (&cx);
+
+    NS_ASSERTION(cx == nsnull, "We pushed a null context but popped a non-null context!?");
+  }
+}
+
+nsresult
+AutoJSContextStack::Init()
+{
+  nsresult rv;
+  mStack = do_GetService ("@mozilla.org/js/xpc/ContextStack;1", &rv);
+  if (NS_FAILED (rv))
+    return rv;
+
+  return mStack->Push (nsnull);
+}