1 // Copyright 2014 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_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_SYNCHRONOUS_IMPL_H_ 6 #define CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_SYNCHRONOUS_IMPL_H_ 7 8 #include "base/callback.h" 9 #include "base/memory/ref_counted.h" 10 #include "base/observer_list.h" 11 #include "content/renderer/media/android/stream_texture_factory.h" 12 13 namespace gfx { 14 class SurfaceTexture; 15 } 16 17 namespace gpu { 18 namespace gles2 { 19 class GLES2Interface; 20 } // namespace gles2 21 } // namespace gpu 22 23 namespace content { 24 25 // Factory for when using synchronous compositor in Android WebView. 26 class StreamTextureFactorySynchronousImpl : public StreamTextureFactory { 27 public: 28 class ContextProvider : public base::RefCountedThreadSafe<ContextProvider> { 29 public: 30 virtual scoped_refptr<gfx::SurfaceTexture> GetSurfaceTexture( 31 uint32 stream_id) = 0; 32 33 virtual gpu::gles2::GLES2Interface* ContextGL() = 0; 34 35 virtual void AddObserver(StreamTextureFactoryContextObserver* obs) = 0; 36 virtual void RemoveObserver(StreamTextureFactoryContextObserver* obs) = 0; 37 38 protected: 39 friend class base::RefCountedThreadSafe<ContextProvider>; ~ContextProvider()40 virtual ~ContextProvider() {} 41 }; 42 43 typedef base::Callback<scoped_refptr<ContextProvider>(void)> 44 CreateContextProviderCallback; 45 46 static scoped_refptr<StreamTextureFactorySynchronousImpl> Create( 47 const CreateContextProviderCallback& try_create_callback, 48 int frame_id); 49 50 virtual StreamTextureProxy* CreateProxy() OVERRIDE; 51 virtual void EstablishPeer(int32 stream_id, int player_id) OVERRIDE; 52 virtual unsigned CreateStreamTexture(unsigned texture_target, 53 unsigned* texture_id, 54 gpu::Mailbox* texture_mailbox) OVERRIDE; 55 virtual void SetStreamTextureSize(int32 stream_id, 56 const gfx::Size& size) OVERRIDE; 57 virtual gpu::gles2::GLES2Interface* ContextGL() OVERRIDE; 58 virtual void AddObserver(StreamTextureFactoryContextObserver* obs) OVERRIDE; 59 virtual void RemoveObserver( 60 StreamTextureFactoryContextObserver* obs) OVERRIDE; 61 62 private: 63 friend class base::RefCounted<StreamTextureFactorySynchronousImpl>; 64 StreamTextureFactorySynchronousImpl( 65 const CreateContextProviderCallback& try_create_callback, 66 int frame_id); 67 virtual ~StreamTextureFactorySynchronousImpl(); 68 69 CreateContextProviderCallback create_context_provider_callback_; 70 scoped_refptr<ContextProvider> context_provider_; 71 int frame_id_; 72 StreamTextureFactoryContextObserver* observer_; 73 74 DISALLOW_IMPLICIT_CONSTRUCTORS(StreamTextureFactorySynchronousImpl); 75 }; 76 77 } // namespace content 78 79 #endif // CONTENT_RENDERER_MEDIA_ANDROID_STREAM_TEXTURE_FACTORY_SYNCHRONOUS_IMPL_H_ 80