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82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GFX_ThebesLayerComposite_H
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#define GFX_ThebesLayerComposite_H
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#include "mozilla/layers/PLayers.h"
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#include "mozilla/layers/ShadowLayers.h"
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#include "Layers.h"
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#include "LayerManagerComposite.h"
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#include "base/task.h"
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namespace mozilla {
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namespace layers {
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/**
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* Thebes layers use ContentHosts for their compsositable host.
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* By using different ContentHosts, ThebesLayerComposite support tiled and
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* non-tiled Thebes layers and single or double buffering.
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*/
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class ContentHost;
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class ThebesLayerComposite : public ShadowThebesLayer,
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public LayerComposite
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{
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public:
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ThebesLayerComposite(LayerManagerComposite *aManager);
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virtual ~ThebesLayerComposite();
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virtual void Disconnect() MOZ_OVERRIDE;
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virtual void SetValidRegion(const nsIntRegion& aRegion) MOZ_OVERRIDE
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{
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ShadowThebesLayer::SetValidRegion(aRegion);
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}
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virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
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CompositableHost* GetCompositableHost() MOZ_OVERRIDE;
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virtual void Destroy() MOZ_OVERRIDE;
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virtual Layer* GetLayer() MOZ_OVERRIDE;
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virtual TiledLayerComposer* AsTiledLayerComposer() MOZ_OVERRIDE;
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virtual void RenderLayer(const nsIntPoint& aOffset,
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const nsIntRect& aClipRect) MOZ_OVERRIDE;
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virtual void CleanupResources() MOZ_OVERRIDE;
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virtual void SetCompositableHost(CompositableHost* aHost) MOZ_OVERRIDE;
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virtual LayerComposite* AsLayerComposite() MOZ_OVERRIDE { return this; }
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virtual void EnsureBuffer(CompositableType aType) MOZ_OVERRIDE;
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#ifdef MOZ_LAYERS_HAVE_LOG
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virtual const char* Name() const MOZ_OVERRIDE { return "ThebesLayerComposite"; }
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protected:
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virtual nsACString& PrintInfo(nsACString& aTo, const char* aPrefix) MOZ_OVERRIDE;
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#endif
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private:
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gfxRect GetDisplayPort();
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gfxSize GetEffectiveResolution();
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gfxRect GetCompositionBounds();
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RefPtr<ContentHost> mBuffer;
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bool mRequiresTiledProperties;
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};
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} /* layers */
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} /* mozilla */
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#endif /* GFX_ThebesLayerComposite_H */
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