/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=8 sts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GFX_BASICCANVASLAYER_H

#define GFX_BASICCANVASLAYER_H

#include "BasicImplData.h"              // for BasicImplData

#include "BasicLayers.h"                // for BasicLayerManager

#include "Layers.h"                     // for CanvasLayer, etc

#include "nsDebug.h"                    // for NS_ASSERTION

#include "nsRegion.h"                   // for nsIntRegion

namespace mozilla {

namespace layers {

class BasicCanvasLayer : public CanvasLayer,

                         public BasicImplData

{

public:

  explicit BasicCanvasLayer(BasicLayerManager* aLayerManager) :

    CanvasLayer(aLayerManager, static_cast<BasicImplData*>(this))

  { }

  virtual void SetVisibleRegion(const LayerIntRegion& aRegion) override

  {

    NS_ASSERTION(BasicManager()->InConstruction(),

                 "Can only set properties in construction phase");

    CanvasLayer::SetVisibleRegion(aRegion);

  }

  virtual void Paint(gfx::DrawTarget* aDT,

                     const gfx::Point& aDeviceOffset,

                     Layer* aMaskLayer) override;

protected:

  BasicLayerManager* BasicManager()

  {

    return static_cast<BasicLayerManager*>(mManager);

  }

  CanvasRenderer* CreateCanvasRendererInternal() override;

};

} // namespace layers

} // namespace mozilla

#endif