gecko/gfx/layers/ipc/ShadowLayersParent.h

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 * 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/
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 * The Original Code is Mozilla Code.
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 * The Initial Developer of the Original Code is
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 * Portions created by the Initial Developer are Copyright (C) 2010
 * the Initial Developer. All Rights Reserved.
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 * Contributor(s):
 *   Chris Jones <jones.chris.g@gmail.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"),
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#ifndef mozilla_layers_ShadowLayersParent_h
#define mozilla_layers_ShadowLayersParent_h

#include "mozilla/layers/PLayersParent.h"

namespace mozilla {

namespace layout {
class RenderFrameParent;
}

namespace layers {

class Layer;
class ShadowLayerManager;

class ShadowLayersParent : public PLayersParent
{
  typedef mozilla::layout::RenderFrameParent RenderFrameParent;
  typedef InfallibleTArray<Edit> EditArray;
  typedef InfallibleTArray<EditReply> EditReplyArray;

public:
  ShadowLayersParent(ShadowLayerManager* aManager);
  ~ShadowLayersParent();

  ShadowLayerManager* layer_manager() const { return mLayerManager; }

  ContainerLayer* GetRoot() const { return mRoot; }

protected:
  NS_OVERRIDE virtual bool RecvUpdate(const EditArray& cset,
                                      EditReplyArray* reply);

  NS_OVERRIDE virtual bool RecvGetParentType(LayersBackend* aBackend);

  NS_OVERRIDE virtual PLayerParent* AllocPLayer();
  NS_OVERRIDE virtual bool DeallocPLayer(PLayerParent* actor);

private:
  RenderFrameParent* Frame();

  nsRefPtr<ShadowLayerManager> mLayerManager;
  // Hold the root because it might be grafted under various
  // containers in the "real" layer tree
  nsRefPtr<ContainerLayer> mRoot;
};

} // namespace layers
} // namespace mozilla

#endif // ifndef mozilla_layers_ShadowLayersParent_h