/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * ***** 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 Corporation code.
 *
 * The Initial Developer of the Original Code is Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Bas Schouten <bschouten@mozilla.org>
 *
 * 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
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#ifndef GFX_CONTAINERLAYEROGL_H
#define GFX_CONTAINERLAYEROGL_H

#include "mozilla/layers/PLayers.h"
#include "mozilla/layers/ShadowLayers.h"

#include "Layers.h"
#include "LayerManagerOGL.h"

namespace mozilla {
namespace layers {

template<class Container>
static void ContainerInsertAfter(Container* aContainer, Layer* aChild, Layer* aAfter);
template<class Container>
static void ContainerRemoveChild(Container* aContainer, Layer* aChild);
template<class Container>
static void ContainerDestroy(Container* aContainer);
template<class Container>
static void ContainerRender(Container* aContainer,
                            int aPreviousFrameBuffer,
                            const nsIntPoint& aOffset,
                            LayerManagerOGL* aManager);

class ContainerLayerOGL : public ContainerLayer,
                          public LayerOGL
{
  template<class Container>
  friend void ContainerInsertAfter(Container* aContainer, Layer* aChild, Layer* aAfter);
  template<class Container>
  friend void ContainerRemoveChild(Container* aContainer, Layer* aChild);
  template<class Container>
  friend void ContainerDestroy(Container* aContainer);
  template<class Container>
  friend void ContainerRender(Container* aContainer,
                              int aPreviousFrameBuffer,
                              const nsIntPoint& aOffset,
                              LayerManagerOGL* aManager);

public:
  ContainerLayerOGL(LayerManagerOGL *aManager);
  ~ContainerLayerOGL();

  void InsertAfter(Layer* aChild, Layer* aAfter);

  void RemoveChild(Layer* aChild);

  /** LayerOGL implementation */
  Layer* GetLayer() { return this; }

  void Destroy();

  LayerOGL* GetFirstChildOGL();

  virtual void RenderLayer(int aPreviousFrameBuffer,
                           const nsIntPoint& aOffset);

  virtual void ComputeEffectiveTransforms(const gfx3DMatrix& aTransformToSurface)
  {
    DefaultComputeEffectiveTransforms(aTransformToSurface);
  }

  virtual void CleanupResources();
};

class ShadowContainerLayerOGL : public ShadowContainerLayer,
                                public LayerOGL
{
  template<class Container>
  friend void ContainerInsertAfter(Container* aContainer, Layer* aChild, Layer* aAfter);
  template<class Container>
  friend void ContainerRemoveChild(Container* aContainer, Layer* aChild);
  template<class Container>
  friend void ContainerDestroy(Container* aContainer);
  template<class Container>
  friend void ContainerRender(Container* aContainer,
                              int aPreviousFrameBuffer,
                              const nsIntPoint& aOffset,
                              LayerManagerOGL* aManager);

public:
  ShadowContainerLayerOGL(LayerManagerOGL *aManager);
  ~ShadowContainerLayerOGL();

  void InsertAfter(Layer* aChild, Layer* aAfter);

  void RemoveChild(Layer* aChild);

  // LayerOGL Implementation
  virtual Layer* GetLayer() { return this; }

  virtual void Destroy();

  LayerOGL* GetFirstChildOGL();

  virtual void RenderLayer(int aPreviousFrameBuffer,
                           const nsIntPoint& aOffset);

  virtual void ComputeEffectiveTransforms(const gfx3DMatrix& aTransformToSurface)
  {
    DefaultComputeEffectiveTransforms(aTransformToSurface);
  }

  virtual void CleanupResources();
};

} /* layers */
} /* mozilla */

#endif /* GFX_CONTAINERLAYEROGL_H */