michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef GFX_BASICCANVASLAYER_H
michael@0: #define GFX_BASICCANVASLAYER_H
michael@0: 
michael@0: #include "BasicImplData.h"              // for BasicImplData
michael@0: #include "BasicLayers.h"                // for BasicLayerManager
michael@0: #include "CopyableCanvasLayer.h"        // for CopyableCanvasLayer
michael@0: #include "Layers.h"                     // for CanvasLayer, etc
michael@0: #include "nsDebug.h"                    // for NS_ASSERTION
michael@0: #include "nsRegion.h"                   // for nsIntRegion
michael@0: 
michael@0: class gfxContext;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class BasicCanvasLayer : public CopyableCanvasLayer,
michael@0:                          public BasicImplData
michael@0: {
michael@0: public:
michael@0:   BasicCanvasLayer(BasicLayerManager* aLayerManager) :
michael@0:     CopyableCanvasLayer(aLayerManager,
michael@0:                         static_cast<BasicImplData*>(MOZ_THIS_IN_INITIALIZER_LIST()))
michael@0:   { }
michael@0:   
michael@0:   virtual void SetVisibleRegion(const nsIntRegion& aRegion)
michael@0:   {
michael@0:     NS_ASSERTION(BasicManager()->InConstruction(),
michael@0:                  "Can only set properties in construction phase");
michael@0:     CanvasLayer::SetVisibleRegion(aRegion);
michael@0:   }
michael@0:   
michael@0:   virtual void Paint(gfx::DrawTarget* aDT,
michael@0:                      const gfx::Point& aDeviceOffset,
michael@0:                      Layer* aMaskLayer) MOZ_OVERRIDE;
michael@0:  
michael@0: protected:
michael@0:   BasicLayerManager* BasicManager()
michael@0:   {
michael@0:     return static_cast<BasicLayerManager*>(mManager);
michael@0:   }
michael@0: };
michael@0: 
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif