| // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef PPAPI_PROXY_PPB_AUDIO_PROXY_H_ |
| #define PPAPI_PROXY_PPB_AUDIO_PROXY_H_ |
| |
| #include "base/basictypes.h" |
| #include "base/shared_memory.h" |
| #include "base/sync_socket.h" |
| #include "ipc/ipc_platform_file.h" |
| #include "ppapi/c/pp_instance.h" |
| #include "ppapi/c/pp_module.h" |
| #include "ppapi/c/pp_resource.h" |
| #include "ppapi/cpp/completion_callback.h" |
| #include "ppapi/proxy/interface_proxy.h" |
| #include "ppapi/proxy/proxy_non_thread_safe_ref_count.h" |
| |
| struct PPB_Audio; |
| |
| namespace pp { |
| namespace proxy { |
| |
| class HostResource; |
| |
| class PPB_Audio_Proxy : public InterfaceProxy { |
| public: |
| PPB_Audio_Proxy(Dispatcher* dispatcher, const void* target_interface); |
| virtual ~PPB_Audio_Proxy(); |
| |
| const PPB_Audio* ppb_audio_target() const { |
| return static_cast<const PPB_Audio*>(target_interface()); |
| } |
| |
| // InterfaceProxy implementation. |
| virtual const void* GetSourceInterface() const; |
| virtual InterfaceID GetInterfaceId() const; |
| virtual bool OnMessageReceived(const IPC::Message& msg); |
| |
| private: |
| // Plugin->renderer message handlers. |
| void OnMsgCreate(PP_Instance instance_id, |
| const HostResource& config_id, |
| HostResource* result); |
| void OnMsgStartOrStop(const HostResource& audio_id, bool play); |
| |
| // Renderer->plugin message handlers. |
| void OnMsgNotifyAudioStreamCreated(const HostResource& audio_id, |
| int32_t result_code, |
| IPC::PlatformFileForTransit socket_handle, |
| base::SharedMemoryHandle handle, |
| uint32_t length); |
| |
| void AudioChannelConnected(int32_t result, |
| const HostResource& resource); |
| |
| // In the renderer, this is called in response to a stream created message. |
| // It will retrieve the shared memory and socket handles and place them into |
| // the given out params. The return value is a PPAPI error code. |
| // |
| // The input arguments should be initialized to 0 or -1, depending on the |
| // platform's default invalid handle values. On error, some of these |
| // arguments may be written to, and others may be untouched, depending on |
| // where the error occurred. |
| int32_t GetAudioConnectedHandles( |
| const HostResource& resource, |
| IPC::PlatformFileForTransit* foreign_socket_handle, |
| base::SharedMemoryHandle* foreign_shared_memory_handle, |
| uint32_t* shared_memory_length); |
| |
| CompletionCallbackFactory<PPB_Audio_Proxy, |
| ProxyNonThreadSafeRefCount> callback_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PPB_Audio_Proxy); |
| }; |
| |
| } // namespace proxy |
| } // namespace pp |
| |
| #endif // PPAPI_PROXY_PPB_AUDIO_PROXY_H_ |