1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/layers/client/ClientCanvasLayer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,106 @@
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_CLIENTCANVASLAYER_H
1.10 +#define GFX_CLIENTCANVASLAYER_H
1.11 +
1.12 +#include "mozilla/layers/CanvasClient.h" // for CanvasClient, etc
1.13 +#include "ClientLayerManager.h" // for ClientLayerManager, etc
1.14 +#include "CopyableCanvasLayer.h" // for CopyableCanvasLayer
1.15 +#include "Layers.h" // for CanvasLayer, etc
1.16 +#include "mozilla/Attributes.h" // for MOZ_OVERRIDE
1.17 +#include "mozilla/RefPtr.h" // for RefPtr
1.18 +#include "mozilla/layers/LayersMessages.h" // for CanvasLayerAttributes, etc
1.19 +#include "mozilla/mozalloc.h" // for operator delete
1.20 +#include "nsAutoPtr.h" // for nsRefPtr
1.21 +#include "nsDebug.h" // for NS_ASSERTION
1.22 +#include "nsISupportsImpl.h" // for MOZ_COUNT_CTOR, etc
1.23 +#include "nsRegion.h" // for nsIntRegion
1.24 +
1.25 +namespace mozilla {
1.26 +namespace layers {
1.27 +
1.28 +class CompositableClient;
1.29 +class ShadowableLayer;
1.30 +
1.31 +class ClientCanvasLayer : public CopyableCanvasLayer,
1.32 + public ClientLayer
1.33 +{
1.34 + typedef CanvasClient::CanvasClientType CanvasClientType;
1.35 +public:
1.36 + ClientCanvasLayer(ClientLayerManager* aLayerManager) :
1.37 + CopyableCanvasLayer(aLayerManager,
1.38 + static_cast<ClientLayer*>(MOZ_THIS_IN_INITIALIZER_LIST()))
1.39 + , mTextureSurface(nullptr)
1.40 + , mFactory(nullptr)
1.41 + {
1.42 + MOZ_COUNT_CTOR(ClientCanvasLayer);
1.43 + }
1.44 + virtual ~ClientCanvasLayer();
1.45 +
1.46 + virtual void SetVisibleRegion(const nsIntRegion& aRegion)
1.47 + {
1.48 + NS_ASSERTION(ClientManager()->InConstruction(),
1.49 + "Can only set properties in construction phase");
1.50 + CanvasLayer::SetVisibleRegion(aRegion);
1.51 + }
1.52 +
1.53 + virtual void Initialize(const Data& aData);
1.54 +
1.55 + virtual void RenderLayer();
1.56 +
1.57 + virtual void ClearCachedResources()
1.58 + {
1.59 + if (mCanvasClient) {
1.60 + mCanvasClient->Clear();
1.61 + }
1.62 + }
1.63 +
1.64 + virtual void FillSpecificAttributes(SpecificLayerAttributes& aAttrs)
1.65 + {
1.66 + aAttrs = CanvasLayerAttributes(mFilter, mBounds);
1.67 + }
1.68 +
1.69 + virtual Layer* AsLayer() { return this; }
1.70 + virtual ShadowableLayer* AsShadowableLayer() { return this; }
1.71 +
1.72 + virtual void Disconnect()
1.73 + {
1.74 + mCanvasClient = nullptr;
1.75 + ClientLayer::Disconnect();
1.76 + }
1.77 +
1.78 + virtual CompositableClient* GetCompositableClient() MOZ_OVERRIDE
1.79 + {
1.80 + return mCanvasClient;
1.81 + }
1.82 +protected:
1.83 + ClientLayerManager* ClientManager()
1.84 + {
1.85 + return static_cast<ClientLayerManager*>(mManager);
1.86 + }
1.87 +
1.88 + CanvasClientType GetCanvasClientType()
1.89 + {
1.90 + if (mGLContext) {
1.91 + return CanvasClient::CanvasClientGLContext;
1.92 + }
1.93 + return CanvasClient::CanvasClientSurface;
1.94 + }
1.95 +
1.96 + RefPtr<CanvasClient> mCanvasClient;
1.97 +
1.98 + gfx::SharedSurface* mTextureSurface;
1.99 + gfx::SurfaceFactory* mFactory;
1.100 +
1.101 + friend class DeprecatedCanvasClient2D;
1.102 + friend class CanvasClient2D;
1.103 + friend class DeprecatedCanvasClientSurfaceStream;
1.104 + friend class CanvasClientSurfaceStream;
1.105 +};
1.106 +}
1.107 +}
1.108 +
1.109 +#endif
