Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2             :  * This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : #ifndef GFX_SHAREABLECANVASLAYER_H
       7             : #define GFX_SHAREABLECANVASLAYER_H
       8             : 
       9             : #include "CompositorTypes.h"
      10             : #include "CopyableCanvasLayer.h"
      11             : #include "mozilla/layers/CanvasClient.h"
      12             : 
      13             : namespace mozilla {
      14             : namespace gl {
      15             : class SurfaceFactory;
      16             : } // namespace gl
      17             : 
      18             : namespace layers {
      19             : 
      20             : class ShareableCanvasLayer : public CopyableCanvasLayer
      21             : {
      22             :   typedef CanvasClient::CanvasClientType CanvasClientType;
      23             : public:
      24             :   ShareableCanvasLayer(LayerManager* aLayerManager, void *aImplData);
      25             : 
      26             : protected:
      27             :   virtual ~ShareableCanvasLayer();
      28             : 
      29             : public:
      30             :   virtual void Initialize(const Data& aData) override;
      31             : 
      32             :   virtual CompositableForwarder* GetForwarder() = 0;
      33             : 
      34             :   virtual void AttachCompositable() = 0;
      35             : 
      36             :   void UpdateCompositableClient();
      37             : 
      38           0 :   const TextureFlags& Flags() const { return mFlags; }
      39             : 
      40             : protected:
      41             : 
      42             :   bool UpdateTarget(gfx::DrawTarget* aDestTarget = nullptr);
      43             : 
      44             :   CanvasClientType GetCanvasClientType();
      45             : 
      46             :   RefPtr<CanvasClient> mCanvasClient;
      47             : 
      48             :   UniquePtr<gl::SurfaceFactory> mFactory;
      49             : 
      50             :   TextureFlags mFlags;
      51             : 
      52             :   friend class CanvasClient2D;
      53             :   friend class CanvasClientSharedSurface;
      54             : };
      55             : 
      56             : } // namespace layers
      57             : } // namespace mozilla
      58             : 
      59             : #endif