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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_
      6 #define CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_
      7 
      8 #include "base/memory/ref_counted.h"
      9 #include "base/memory/scoped_ptr.h"
     10 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
     11 
     12 namespace base {
     13 class MessageLoopProxy;
     14 }
     15 
     16 namespace cc {
     17 class ContextProvider;
     18 class OutputSurface;
     19 }
     20 
     21 namespace webkit {
     22 namespace gpu {
     23 class ContextProviderWebContext;
     24 }
     25 }
     26 
     27 namespace content {
     28 
     29 class InputHandlerManagerClient;
     30 class StreamTextureFactory;
     31 
     32 // Decouples creation from usage of the parts needed for the synchonous
     33 // compositor rendering path. In practice this is only used in single
     34 // process mode (namely, for Android WebView) hence the implementation of
     35 // this will be injected from the logical 'browser' side code.
     36 class SynchronousCompositorFactory {
     37  public:
     38   // Must only be called once, e.g. on startup. Ownership of |instance| remains
     39   // with the caller.
     40   static void SetInstance(SynchronousCompositorFactory* instance);
     41   static SynchronousCompositorFactory* GetInstance();
     42 
     43   virtual scoped_refptr<base::MessageLoopProxy>
     44       GetCompositorMessageLoop() = 0;
     45   virtual bool RecordFullLayer() = 0;
     46   virtual scoped_ptr<cc::OutputSurface> CreateOutputSurface(
     47       int routing_id) = 0;
     48 
     49   // The factory maintains ownership of the returned interface.
     50   virtual InputHandlerManagerClient* GetInputHandlerManagerClient() = 0;
     51 
     52   virtual scoped_refptr<webkit::gpu::ContextProviderWebContext>
     53       GetSharedOffscreenContextProviderForMainThread() = 0;
     54   virtual scoped_refptr<StreamTextureFactory> CreateStreamTextureFactory(
     55       int frame_id) = 0;
     56   virtual blink::WebGraphicsContext3D* CreateOffscreenGraphicsContext3D(
     57       const blink::WebGraphicsContext3D::Attributes& attributes) = 0;
     58 
     59  protected:
     60   SynchronousCompositorFactory() {}
     61   virtual ~SynchronousCompositorFactory() {}
     62 };
     63 
     64 }
     65 
     66 #endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_
     67