The Tor Browser / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/gfx/layers/client/ClientThebesLayer.h	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,116 @@
     1.4 +/* -*- Mode: C++; tab-width: 2; 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_CLIENTTHEBESLAYER_H
    1.10 +#define GFX_CLIENTTHEBESLAYER_H
    1.11 +
    1.12 +#include "ClientLayerManager.h"         // for ClientLayerManager, etc
    1.13 +#include "Layers.h"                     // for ThebesLayer, etc
    1.14 +#include "RotatedBuffer.h"              // for RotatedContentBuffer, etc
    1.15 +#include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
    1.16 +#include "mozilla/RefPtr.h"             // for RefPtr
    1.17 +#include "mozilla/layers/ContentClient.h"  // for ContentClient
    1.18 +#include "mozilla/mozalloc.h"           // for operator delete
    1.19 +#include "nsDebug.h"                    // for NS_ASSERTION
    1.20 +#include "nsISupportsImpl.h"            // for MOZ_COUNT_CTOR, etc
    1.21 +#include "nsRegion.h"                   // for nsIntRegion
    1.22 +#include "mozilla/layers/PLayerTransaction.h" // for ThebesLayerAttributes
    1.23 +
    1.24 +class gfxContext;
    1.25 +
    1.26 +namespace mozilla {
    1.27 +namespace layers {
    1.28 +
    1.29 +class CompositableClient;
    1.30 +class ShadowableLayer;
    1.31 +class SpecificLayerAttributes;
    1.32 +
    1.33 +class ClientThebesLayer : public ThebesLayer, 
    1.34 +                          public ClientLayer {
    1.35 +public:
    1.36 +  typedef RotatedContentBuffer::PaintState PaintState;
    1.37 +  typedef RotatedContentBuffer::ContentType ContentType;
    1.38 +
    1.39 +  ClientThebesLayer(ClientLayerManager* aLayerManager) :
    1.40 +    ThebesLayer(aLayerManager,
    1.41 +                static_cast<ClientLayer*>(MOZ_THIS_IN_INITIALIZER_LIST())),
    1.42 +    mContentClient(nullptr)
    1.43 +  {
    1.44 +    MOZ_COUNT_CTOR(ClientThebesLayer);
    1.45 +  }
    1.46 +  virtual ~ClientThebesLayer()
    1.47 +  {
    1.48 +    if (mContentClient) {
    1.49 +      mContentClient->OnDetach();
    1.50 +      mContentClient = nullptr;
    1.51 +    }
    1.52 +    MOZ_COUNT_DTOR(ClientThebesLayer);
    1.53 +  }
    1.54 +
    1.55 +  virtual void SetVisibleRegion(const nsIntRegion& aRegion)
    1.56 +  {
    1.57 +    NS_ASSERTION(ClientManager()->InConstruction(),
    1.58 +                 "Can only set properties in construction phase");
    1.59 +    ThebesLayer::SetVisibleRegion(aRegion);
    1.60 +  }
    1.61 +  virtual void InvalidateRegion(const nsIntRegion& aRegion)
    1.62 +  {
    1.63 +    NS_ASSERTION(ClientManager()->InConstruction(),
    1.64 +                 "Can only set properties in construction phase");
    1.65 +    mInvalidRegion.Or(mInvalidRegion, aRegion);
    1.66 +    mInvalidRegion.SimplifyOutward(20);
    1.67 +    mValidRegion.Sub(mValidRegion, mInvalidRegion);
    1.68 +  }
    1.69 +
    1.70 +  virtual void RenderLayer();
    1.71 +
    1.72 +  virtual void ClearCachedResources()
    1.73 +  {
    1.74 +    if (mContentClient) {
    1.75 +      mContentClient->Clear();
    1.76 +    }
    1.77 +    mValidRegion.SetEmpty();
    1.78 +    DestroyBackBuffer();
    1.79 +  }
    1.80 +  
    1.81 +  virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
    1.82 +  {
    1.83 +    aAttrs = ThebesLayerAttributes(GetValidRegion());
    1.84 +  }
    1.85 +  
    1.86 +  ClientLayerManager* ClientManager()
    1.87 +  {
    1.88 +    return static_cast<ClientLayerManager*>(mManager);
    1.89 +  }
    1.90 +  
    1.91 +  virtual Layer* AsLayer() { return this; }
    1.92 +  virtual ShadowableLayer* AsShadowableLayer() { return this; }
    1.93 +
    1.94 +  virtual CompositableClient* GetCompositableClient() MOZ_OVERRIDE
    1.95 +  {
    1.96 +    return mContentClient;
    1.97 +  }
    1.98 +
    1.99 +  virtual void Disconnect()
   1.100 +  {
   1.101 +    mContentClient = nullptr;
   1.102 +    ClientLayer::Disconnect();
   1.103 +  }
   1.104 +
   1.105 +protected:
   1.106 +  void PaintThebes();
   1.107 +  
   1.108 +  void DestroyBackBuffer()
   1.109 +  {
   1.110 +    mContentClient = nullptr;
   1.111 +  }
   1.112 +
   1.113 +  RefPtr<ContentClient> mContentClient;
   1.114 +};
   1.115 +
   1.116 +}
   1.117 +}
   1.118 +
   1.119 +#endif