content/renderer/android/synchronous_compositor_factory.h

   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 scoped_ptr<cc::OutputSurface> CreateOutputSurface(
  46       int routing_id) = 0;
  47
  48   // The factory maintains ownership of the returned interface.
  49   virtual InputHandlerManagerClient* GetInputHandlerManagerClient() = 0;
  50
  51   virtual scoped_refptr<webkit::gpu::ContextProviderWebContext>
  52       GetSharedOffscreenContextProviderForMainThread() = 0;
  53   virtual scoped_refptr<StreamTextureFactory> CreateStreamTextureFactory(
  54       int view_id) = 0;
  55   virtual blink::WebGraphicsContext3D* CreateOffscreenGraphicsContext3D(
  56       const blink::WebGraphicsContext3D::Attributes& attributes) = 0;
  57
  58  protected:
  59   SynchronousCompositorFactory() {}
  60   virtual ~SynchronousCompositorFactory() {}
  61 };
  62
  63 }
  64
  65 #endif  // CONTENT_RENDERER_ANDROID_SYNCHRONOUS_COMPOSITOR_FACTORY_H_