1 // Copyright (c) 2012 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_GPU_STREAM_TEXTURE_HOST_ANDROID_H_ 6 #define CONTENT_RENDERER_GPU_STREAM_TEXTURE_HOST_ANDROID_H_ 7 8 #include "base/memory/weak_ptr.h" 9 #include "content/common/android/surface_texture_peer.h" 10 #include "ipc/ipc_listener.h" 11 #include "ipc/ipc_message.h" 12 13 namespace gfx { 14 class Size; 15 } 16 17 struct GpuStreamTextureMsg_MatrixChanged_Params; 18 19 namespace content { 20 class GpuChannelHost; 21 22 // Class for handling all the IPC messages between the GPU process and 23 // StreamTextureProxy. 24 class StreamTextureHost : public IPC::Listener { 25 public: 26 explicit StreamTextureHost(GpuChannelHost* channel); 27 virtual ~StreamTextureHost(); 28 29 // Listener class that is listening to the stream texture updates. It is 30 // implemented by StreamTextureProxyImpl. 31 class Listener { 32 public: 33 virtual void OnFrameAvailable() = 0; 34 virtual void OnMatrixChanged(const float mtx[16]) = 0; ~Listener()35 virtual ~Listener() {} 36 }; 37 38 bool BindToCurrentThread(int32 stream_id, Listener* listener); 39 40 // IPC::Channel::Listener implementation: 41 virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; 42 virtual void OnChannelError() OVERRIDE; 43 44 private: 45 // Message handlers: 46 void OnFrameAvailable(); 47 void OnMatrixChanged(const GpuStreamTextureMsg_MatrixChanged_Params& param); 48 49 int stream_id_; 50 Listener* listener_; 51 scoped_refptr<GpuChannelHost> channel_; 52 base::WeakPtrFactory<StreamTextureHost> weak_ptr_factory_; 53 54 DISALLOW_IMPLICIT_CONSTRUCTORS(StreamTextureHost); 55 }; 56 57 } // namespace content 58 59 #endif // CONTENT_RENDERER_GPU_STREAM_TEXTURE_HOST_ANDROID_H_ 60