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/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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 * 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
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 * Software distributed under the License is distributed on an "AS IS" basis,
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 * License.
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 * The Original Code is Mozilla Content App.
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 * The Initial Developer of the Original Code is
 *   The Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Benoit Girard <bgirard@mozilla.com>
 *   Ali Juma <ajuma@mozilla.com>
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 * 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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 * ***** END LICENSE BLOCK ***** */

#include "CompositorChild.h"
#include "CompositorParent.h"
#include "Compositor.h"
#include "LayerManagerOGL.h"
#include "mozilla/layers/ShadowLayersChild.h"

using mozilla::layers::ShadowLayersChild;
using namespace mozilla::layers::compositor;

namespace mozilla {
namespace layers {

CompositorChild::CompositorChild(LayerManager *aLayerManager)
  : mLayerManager(aLayerManager)
{
  MOZ_COUNT_CTOR(CompositorChild);
}

CompositorChild::~CompositorChild()
{
  MOZ_COUNT_DTOR(CompositorChild);
}

void
CompositorChild::Destroy()
{
  mLayerManager = NULL;
  size_t numChildren = ManagedPLayersChild().Length();
  NS_ABORT_IF_FALSE(0 == numChildren || 1 == numChildren,
                    "compositor must only have 0 or 1 layer forwarder");

  if (numChildren) {
    ShadowLayersChild* layers =
      static_cast<ShadowLayersChild*>(ManagedPLayersChild()[0]);
    layers->Destroy();
  }
  SendStop();
}

PLayersChild*
CompositorChild::AllocPLayers(const LayersBackend &backend)
{
  return new ShadowLayersChild();
}

bool
CompositorChild::DeallocPLayers(PLayersChild* actor)
{
  delete actor;
  return true;
}

} // namespace layers
} // namespace mozilla