Adding the tree frame class.

git-svn-id: svn://10.0.0.236/trunk@18255 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/layout/xul/base/src/nsTreeFrame.cpp

@@ -0,0 +1,51 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+
+#include "nsTreeFrame.h"
+#include "nsIStyleContext.h"
+#include "nsCSSRendering.h"
+
+
+//
+// NS_NewTreeFrame
+//
+// Creates a new tree frame
+//
+nsresult
+NS_NewTreeFrame (nsIFrame*& aNewFrame)
+{
+  nsTreeFrame* theFrame = new nsTreeFrame;
+  if (theFrame == nsnull)
+    return NS_ERROR_OUT_OF_MEMORY;
+
+  aNewFrame = theFrame;
+  return NS_OK;
+  
+} // NS_NewTreeFrame
+
+
+// Constructor
+nsTreeFrame::nsTreeFrame()
+:nsTableFrame() {}
+
+// Destructor
+nsTreeFrame::~nsTreeFrame()
+{
+}
+

mozilla/layout/xul/base/src/nsTreeFrame.h

@@ -0,0 +1,31 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ *
+ * The contents of this file are subject to the Netscape Public License
+ * Version 1.0 (the "License"); you may not use this file except in
+ * compliance with the License.  You may obtain a copy of the License at
+ * http://www.mozilla.org/NPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * The Original Code is Mozilla Communicator client code.
+ *
+ * The Initial Developer of the Original Code is Netscape Communications
+ * Corporation.  Portions created by Netscape are Copyright (C) 1998
+ * Netscape Communications Corporation.  All Rights Reserved.
+ */
+
+#include "nsTableFrame.h"
+
+class nsTreeFrame : public nsTableFrame
+{
+public:
+  friend nsresult NS_NewTreeFrame(nsIFrame*& aNewFrame);
+
+protected:
+  nsTreeFrame();
+  virtual ~nsTreeFrame();
+    
+}; // class nsTableFrame