The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/layers/composite/ThebesLayerComposite.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,92 @@
     1.4 +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
     1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
     1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     1.8 +
     1.9 +#ifndef GFX_ThebesLayerComposite_H
    1.10 +#define GFX_ThebesLayerComposite_H
    1.11 +
    1.12 +#include "Layers.h"                     // for Layer (ptr only), etc
    1.13 +#include "gfxRect.h"                    // for gfxRect
    1.14 +#include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
    1.15 +#include "mozilla/RefPtr.h"             // for RefPtr
    1.16 +#include "mozilla/layers/LayerManagerComposite.h"  // for LayerComposite, etc
    1.17 +#include "mozilla/layers/LayersTypes.h"  // for LayerRenderState, etc
    1.18 +#include "nsDebug.h"                    // for NS_RUNTIMEABORT
    1.19 +#include "nsRegion.h"                   // for nsIntRegion
    1.20 +#include "nscore.h"                     // for nsACString
    1.21 +
    1.22 +struct nsIntPoint;
    1.23 +struct nsIntRect;
    1.24 +
    1.25 +
    1.26 +namespace mozilla {
    1.27 +namespace layers {
    1.28 +
    1.29 +/**
    1.30 + * Thebes layers use ContentHosts for their compsositable host.
    1.31 + * By using different ContentHosts, ThebesLayerComposite support tiled and
    1.32 + * non-tiled Thebes layers and single or double buffering.
    1.33 + */
    1.34 +
    1.35 +class CompositableHost;
    1.36 +class ContentHost;
    1.37 +class TiledLayerComposer;
    1.38 +
    1.39 +class ThebesLayerComposite : public ThebesLayer,
    1.40 +                             public LayerComposite
    1.41 +{
    1.42 +public:
    1.43 +  ThebesLayerComposite(LayerManagerComposite *aManager);
    1.44 +  virtual ~ThebesLayerComposite();
    1.45 +
    1.46 +  virtual void Disconnect() MOZ_OVERRIDE;
    1.47 +
    1.48 +  virtual LayerRenderState GetRenderState() MOZ_OVERRIDE;
    1.49 +
    1.50 +  CompositableHost* GetCompositableHost() MOZ_OVERRIDE;
    1.51 +
    1.52 +  virtual void Destroy() MOZ_OVERRIDE;
    1.53 +
    1.54 +  virtual Layer* GetLayer() MOZ_OVERRIDE;
    1.55 +
    1.56 +  virtual TiledLayerComposer* GetTiledLayerComposer() MOZ_OVERRIDE;
    1.57 +
    1.58 +  virtual void RenderLayer(const nsIntRect& aClipRect) MOZ_OVERRIDE;
    1.59 +
    1.60 +  virtual void CleanupResources() MOZ_OVERRIDE;
    1.61 +
    1.62 +  virtual bool SetCompositableHost(CompositableHost* aHost) MOZ_OVERRIDE;
    1.63 +
    1.64 +  virtual LayerComposite* AsLayerComposite() MOZ_OVERRIDE { return this; }
    1.65 +
    1.66 +  void EnsureTiled() { mRequiresTiledProperties = true; }
    1.67 +
    1.68 +  virtual void InvalidateRegion(const nsIntRegion& aRegion)
    1.69 +  {
    1.70 +    NS_RUNTIMEABORT("ThebesLayerComposites can't fill invalidated regions");
    1.71 +  }
    1.72 +
    1.73 +  void SetValidRegion(const nsIntRegion& aRegion)
    1.74 +  {
    1.75 +    MOZ_LAYERS_LOG_IF_SHADOWABLE(this, ("Layer::Mutated(%p) ValidRegion", this));
    1.76 +    mValidRegion = aRegion;
    1.77 +    Mutated();
    1.78 +  }
    1.79 +
    1.80 +  MOZ_LAYER_DECL_NAME("ThebesLayerComposite", TYPE_THEBES)
    1.81 +
    1.82 +protected:
    1.83 +
    1.84 +  virtual nsACString& PrintInfo(nsACString& aTo, const char* aPrefix) MOZ_OVERRIDE;
    1.85 +
    1.86 +private:
    1.87 +  CSSToScreenScale GetEffectiveResolution();
    1.88 +
    1.89 +  RefPtr<ContentHost> mBuffer;
    1.90 +  bool mRequiresTiledProperties;
    1.91 +};
    1.92 +
    1.93 +} /* layers */
    1.94 +} /* mozilla */
    1.95 +#endif /* GFX_ThebesLayerComposite_H */