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_CLIENTCANVASLAYER_H
michael@0: #define GFX_CLIENTCANVASLAYER_H
michael@0: 
michael@0: #include "mozilla/layers/CanvasClient.h"  // for CanvasClient, etc
michael@0: #include "ClientLayerManager.h"         // for ClientLayerManager, etc
michael@0: #include "CopyableCanvasLayer.h"        // for CopyableCanvasLayer
michael@0: #include "Layers.h"                     // for CanvasLayer, etc
michael@0: #include "mozilla/Attributes.h"         // for MOZ_OVERRIDE
michael@0: #include "mozilla/RefPtr.h"             // for RefPtr
michael@0: #include "mozilla/layers/LayersMessages.h"  // for CanvasLayerAttributes, etc
michael@0: #include "mozilla/mozalloc.h"           // for operator delete
michael@0: #include "nsAutoPtr.h"                  // for nsRefPtr
michael@0: #include "nsDebug.h"                    // for NS_ASSERTION
michael@0: #include "nsISupportsImpl.h"            // for MOZ_COUNT_CTOR, etc
michael@0: #include "nsRegion.h"                   // for nsIntRegion
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace layers {
michael@0: 
michael@0: class CompositableClient;
michael@0: class ShadowableLayer;
michael@0: 
michael@0: class ClientCanvasLayer : public CopyableCanvasLayer,
michael@0:                           public ClientLayer
michael@0: {
michael@0:   typedef CanvasClient::CanvasClientType CanvasClientType;
michael@0: public:
michael@0:   ClientCanvasLayer(ClientLayerManager* aLayerManager) :
michael@0:     CopyableCanvasLayer(aLayerManager,
michael@0:                         static_cast<ClientLayer*>(MOZ_THIS_IN_INITIALIZER_LIST()))
michael@0:     , mTextureSurface(nullptr)
michael@0:     , mFactory(nullptr)
michael@0:   {
michael@0:     MOZ_COUNT_CTOR(ClientCanvasLayer);
michael@0:   }
michael@0:   virtual ~ClientCanvasLayer();
michael@0: 
michael@0:   virtual void SetVisibleRegion(const nsIntRegion& aRegion)
michael@0:   {
michael@0:     NS_ASSERTION(ClientManager()->InConstruction(),
michael@0:                  "Can only set properties in construction phase");
michael@0:     CanvasLayer::SetVisibleRegion(aRegion);
michael@0:   }
michael@0: 
michael@0:   virtual void Initialize(const Data& aData);
michael@0: 
michael@0:   virtual void RenderLayer();
michael@0: 
michael@0:   virtual void ClearCachedResources()
michael@0:   {
michael@0:     if (mCanvasClient) {
michael@0:       mCanvasClient->Clear();
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
michael@0:   {
michael@0:     aAttrs = CanvasLayerAttributes(mFilter, mBounds);
michael@0:   }
michael@0: 
michael@0:   virtual Layer* AsLayer() { return this; }
michael@0:   virtual ShadowableLayer* AsShadowableLayer() { return this; }
michael@0: 
michael@0:   virtual void Disconnect()
michael@0:   {
michael@0:     mCanvasClient = nullptr;
michael@0:     ClientLayer::Disconnect();
michael@0:   }
michael@0: 
michael@0:   virtual CompositableClient* GetCompositableClient() MOZ_OVERRIDE
michael@0:   {
michael@0:     return mCanvasClient;
michael@0:   }
michael@0: protected:
michael@0:   ClientLayerManager* ClientManager()
michael@0:   {
michael@0:     return static_cast<ClientLayerManager*>(mManager);
michael@0:   }
michael@0: 
michael@0:   CanvasClientType GetCanvasClientType()
michael@0:   {
michael@0:     if (mGLContext) {
michael@0:       return CanvasClient::CanvasClientGLContext;
michael@0:     }
michael@0:     return CanvasClient::CanvasClientSurface;
michael@0:   }
michael@0: 
michael@0:   RefPtr<CanvasClient> mCanvasClient;
michael@0: 
michael@0:   gfx::SharedSurface* mTextureSurface;
michael@0:   gfx::SurfaceFactory* mFactory;
michael@0: 
michael@0:   friend class DeprecatedCanvasClient2D;
michael@0:   friend class CanvasClient2D;
michael@0:   friend class DeprecatedCanvasClientSurfaceStream;
michael@0:   friend class CanvasClientSurfaceStream;
michael@0: };
michael@0: }
michael@0: }
michael@0: 
michael@0: #endif