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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef PPAPI_PROXY_PPB_AUDIO_PROXY_H_ | 5 #ifndef PPAPI_PROXY_PPB_AUDIO_PROXY_H_ |
| 6 #define PPAPI_PROXY_PPB_AUDIO_PROXY_H_ | 6 #define PPAPI_PROXY_PPB_AUDIO_PROXY_H_ |
| 7 | 7 |
| 8 #include "base/basictypes.h" | 8 #include "base/basictypes.h" |
| 9 #include "base/shared_memory.h" | 9 #include "base/shared_memory.h" |
| 10 #include "base/sync_socket.h" | 10 #include "base/sync_socket.h" |
| 11 #include "ipc/ipc_platform_file.h" | 11 #include "ipc/ipc_platform_file.h" |
| 12 #include "ppapi/c/pp_instance.h" | 12 #include "ppapi/c/pp_instance.h" |
| 13 #include "ppapi/c/pp_module.h" | 13 #include "ppapi/c/pp_module.h" |
| 14 #include "ppapi/c/pp_resource.h" | 14 #include "ppapi/c/pp_resource.h" |
| 15 #include "ppapi/cpp/completion_callback.h" | 15 #include "ppapi/cpp/completion_callback.h" |
| 16 #include "ppapi/proxy/interface_proxy.h" | 16 #include "ppapi/proxy/interface_proxy.h" |
| 17 #include "ppapi/proxy/proxy_non_thread_safe_ref_count.h" | 17 #include "ppapi/proxy/proxy_non_thread_safe_ref_count.h" |
| 18 | 18 |
| 19 struct PPB_Audio; | 19 struct PPB_Audio; |
| 20 | 20 |
| 21 namespace pp { | 21 namespace pp { |
| 22 namespace proxy { | 22 namespace proxy { |
| 23 | 23 |
| 24 struct PPBAudio_NotifyAudioStreamCreated_Params; | |
| 25 class HostResource; | 24 class HostResource; |
| 26 | 25 |
| 27 class PPB_Audio_Proxy : public InterfaceProxy { | 26 class PPB_Audio_Proxy : public InterfaceProxy { |
| 28 public: | 27 public: |
| 29 PPB_Audio_Proxy(Dispatcher* dispatcher, const void* target_interface); | 28 PPB_Audio_Proxy(Dispatcher* dispatcher, const void* target_interface); |
| 30 virtual ~PPB_Audio_Proxy(); | 29 virtual ~PPB_Audio_Proxy(); |
| 31 | 30 |
| 32 const PPB_Audio* ppb_audio_target() const { | 31 const PPB_Audio* ppb_audio_target() const { |
| 33 return static_cast<const PPB_Audio*>(target_interface()); | 32 return static_cast<const PPB_Audio*>(target_interface()); |
| 34 } | 33 } |
| 35 | 34 |
| 36 // InterfaceProxy implementation. | 35 // InterfaceProxy implementation. |
| 37 virtual const void* GetSourceInterface() const; | 36 virtual const void* GetSourceInterface() const; |
| 38 virtual InterfaceID GetInterfaceId() const; | 37 virtual InterfaceID GetInterfaceId() const; |
| 39 virtual bool OnMessageReceived(const IPC::Message& msg); | 38 virtual bool OnMessageReceived(const IPC::Message& msg); |
| 40 | 39 |
| 41 private: | 40 private: |
| 42 // Plugin->renderer message handlers. | 41 // Plugin->renderer message handlers. |
| 43 void OnMsgCreate(PP_Instance instance_id, | 42 void OnMsgCreate(PP_Instance instance_id, |
| 44 const HostResource& config_id, | 43 const HostResource& config_id, |
| 45 HostResource* result); | 44 HostResource* result); |
| 46 void OnMsgStartOrStop(const HostResource& audio_id, bool play); | 45 void OnMsgStartOrStop(const HostResource& audio_id, bool play); |
| 47 | 46 |
| 48 // Renderer->plugin message handlers. | 47 // Renderer->plugin message handlers. |
| 49 void OnMsgNotifyAudioStreamCreated( | 48 void OnMsgNotifyAudioStreamCreated(const HostResource& audio_id, |
| 50 const PPBAudio_NotifyAudioStreamCreated_Params& params); | 49 int32_t result_code, |
| 50 IPC::PlatformFileForTransit socket_handle, |
| 51 base::SharedMemoryHandle handle, |
| 52 uint32_t length); |
| 51 | 53 |
| 52 void AudioChannelConnected(int32_t result, | 54 void AudioChannelConnected(int32_t result, |
| 53 const HostResource& resource); | 55 const HostResource& resource); |
| 54 | 56 |
| 55 // In the renderer, this is called in response to a stream created message. | 57 // In the renderer, this is called in response to a stream created message. |
| 56 // It will retrieve the shared memory and socket handles and place them into | 58 // It will retrieve the shared memory and socket handles and place them into |
| 57 // the given out params. The return value is a PPAPI error code. | 59 // the given out params. The return value is a PPAPI error code. |
| 58 // | 60 // |
| 59 // The input arguments should be initialized to 0 or -1, depending on the | 61 // The input arguments should be initialized to 0 or -1, depending on the |
| 60 // platform's default invalid handle values. On error, some of these | 62 // platform's default invalid handle values. On error, some of these |
| 61 // arguments may be written to, and others may be untouched, depending on | 63 // arguments may be written to, and others may be untouched, depending on |
| 62 // where the error occurred. | 64 // where the error occurred. |
| 63 int32_t GetAudioConnectedHandles( | 65 int32_t GetAudioConnectedHandles( |
| 64 const HostResource& resource, | 66 const HostResource& resource, |
| 65 IPC::PlatformFileForTransit* foreign_socket_handle, | 67 IPC::PlatformFileForTransit* foreign_socket_handle, |
| 66 base::SharedMemoryHandle* foreign_shared_memory_handle, | 68 base::SharedMemoryHandle* foreign_shared_memory_handle, |
| 67 uint32_t* shared_memory_length); | 69 uint32_t* shared_memory_length); |
| 68 | 70 |
| 69 CompletionCallbackFactory<PPB_Audio_Proxy, | 71 CompletionCallbackFactory<PPB_Audio_Proxy, |
| 70 ProxyNonThreadSafeRefCount> callback_factory_; | 72 ProxyNonThreadSafeRefCount> callback_factory_; |
| 71 | 73 |
| 72 DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Proxy); | 74 DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Proxy); |
| 73 }; | 75 }; |
| 74 | 76 |
| 75 } // namespace proxy | 77 } // namespace proxy |
| 76 } // namespace pp | 78 } // namespace pp |
| 77 | 79 |
| 78 #endif // PPAPI_PROXY_PPB_AUDIO_PROXY_H_ | 80 #endif // PPAPI_PROXY_PPB_AUDIO_PROXY_H_ |
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