gecko-dev/gfx/layers/composite/CanvasLayerComposite.h

72 lines
1.9 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* 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_CanvasLayerComposite_H
#define GFX_CanvasLayerComposite_H
#include "mozilla/layers/LayerManagerComposite.h"
#include "gfxASurface.h"
#if defined(MOZ_WIDGET_GTK2) && !defined(MOZ_PLATFORM_MAEMO)
#include "mozilla/X11Util.h"
#endif
namespace mozilla {
namespace layers {
// Canvas layers use ImageHosts (but CanvasClients) because compositing a
// canvas is identical to compositing an image.
class ImageHost;
class CanvasLayerComposite : public CanvasLayer,
public LayerComposite
{
public:
CanvasLayerComposite(LayerManagerComposite* aManager);
virtual ~CanvasLayerComposite();
// CanvasLayer impl
virtual void Initialize(const Data& aData) MOZ_OVERRIDE
{
NS_RUNTIMEABORT("Incompatibe surface type");
}
virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
virtual void SetCompositableHost(CompositableHost* aHost) MOZ_OVERRIDE;
virtual void Disconnect() MOZ_OVERRIDE
{
Destroy();
}
virtual Layer* GetLayer() MOZ_OVERRIDE;
virtual void RenderLayer(const nsIntPoint& aOffset,
const nsIntRect& aClipRect) MOZ_OVERRIDE;
virtual void CleanupResources() MOZ_OVERRIDE;
CompositableHost* GetCompositableHost() MOZ_OVERRIDE;
virtual LayerComposite* AsLayerComposite() MOZ_OVERRIDE { return this; }
void SetBounds(nsIntRect aBounds) { mBounds = aBounds; }
#ifdef MOZ_LAYERS_HAVE_LOG
virtual const char* Name() const MOZ_OVERRIDE { return "CanvasLayerComposite"; }
protected:
virtual nsACString& PrintInfo(nsACString& aTo, const char* aPrefix) MOZ_OVERRIDE;
#endif
private:
RefPtr<ImageHost> mImageHost;
};
} /* layers */
} /* mozilla */
#endif /* GFX_CanvasLayerComposite_H */