/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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/MPL/
 *
 * 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 Code.
 *
 * The Initial Developer of the Original Code is
 *   The Mozilla Foundation
 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Chris Jones <jones.chris.g@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
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 * the provisions above, a recipient may use your version of this file under
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 *
 * ***** END LICENSE BLOCK ***** */

#include "RenderFrameChild.h"
#include "mozilla/layers/ShadowLayersChild.h"

using mozilla::layers::PLayersChild;
using mozilla::layers::ShadowLayersChild;

namespace mozilla {
namespace layout {

void
RenderFrameChild::Destroy()
{
  size_t numChildren = ManagedPLayersChild().Length();
  NS_ABORT_IF_FALSE(0 == numChildren || 1 == numChildren,
                    "render frame must only have 0 or 1 layer forwarder");

  if (numChildren) {
    ShadowLayersChild* layers =
      static_cast<ShadowLayersChild*>(ManagedPLayersChild()[0]);
    layers->Destroy();
    // |layers| was just deleted, take care
  }

  Send__delete__(this);
  // WARNING: |this| is dead, hands off
}

PLayersChild*
RenderFrameChild::AllocPLayers(LayerManager::LayersBackend* aBackendType)
{
  return new ShadowLayersChild();
}

bool
RenderFrameChild::DeallocPLayers(PLayersChild* aLayers)
{
  delete aLayers;
  return true;
}

}  // namespace layout
}  // namespace mozilla