| // Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_INPUT_IMPL_H_ |
| #define WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_INPUT_IMPL_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/basictypes.h" |
| #include "base/compiler_specific.h" |
| #include "base/memory/weak_ptr.h" |
| #include "ppapi/shared_impl/ppb_audio_input_shared.h" |
| #include "webkit/plugins/ppapi/plugin_delegate.h" |
| |
| namespace webkit { |
| namespace ppapi { |
| |
| // Some of the backend functionality of this class is implemented by the |
| // PPB_AudioInput_Shared so it can be shared with the proxy. |
| class PPB_AudioInput_Impl : public ::ppapi::PPB_AudioInput_Shared, |
| public PluginDelegate::PlatformAudioInputClient, |
| public base::SupportsWeakPtr<PPB_AudioInput_Impl> { |
| public: |
| typedef std::vector< ::ppapi::DeviceRefData> DeviceRefDataVector; |
| |
| explicit PPB_AudioInput_Impl(PP_Instance instance); |
| virtual ~PPB_AudioInput_Impl(); |
| |
| // Creation function for the v0.1 interface. This handles all initialization |
| // and will return 0 on failure. |
| static PP_Resource Create0_1(PP_Instance instance, |
| PP_Resource config, |
| PPB_AudioInput_Callback audio_input_callback, |
| void* user_data); |
| |
| // Implementation of PPB_AudioInput_API trusted methods. |
| virtual int32_t OpenTrusted( |
| const std::string& device_id, |
| PP_Resource config, |
| scoped_refptr< ::ppapi::TrackedCallback> create_callback) OVERRIDE; |
| virtual int32_t GetSyncSocket(int* sync_socket) OVERRIDE; |
| virtual int32_t GetSharedMemory(int* shm_handle, uint32_t* shm_size) OVERRIDE; |
| virtual const DeviceRefDataVector& GetDeviceRefData() const OVERRIDE; |
| |
| // PluginDelegate::PlatformAudioInputClient implementation. |
| virtual void StreamCreated(base::SharedMemoryHandle shared_memory_handle, |
| size_t shared_memory_size, |
| base::SyncSocket::Handle socket) OVERRIDE; |
| virtual void StreamCreationFailed() OVERRIDE; |
| |
| private: |
| // PPB_AudioInput_Shared implementation. |
| virtual int32_t InternalEnumerateDevices( |
| PP_Resource* devices, |
| scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE; |
| virtual int32_t InternalOpen( |
| const std::string& device_id, |
| PP_AudioSampleRate sample_rate, |
| uint32_t sample_frame_count, |
| scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE; |
| virtual PP_Bool InternalStartCapture() OVERRIDE; |
| virtual PP_Bool InternalStopCapture() OVERRIDE; |
| virtual void InternalClose() OVERRIDE; |
| |
| void EnumerateDevicesCallbackFunc(int request_id, |
| bool succeeded, |
| const DeviceRefDataVector& devices); |
| |
| // PluginDelegate audio input object that we delegate audio IPC through. |
| // We don't own this pointer but are responsible for calling Shutdown on it. |
| PluginDelegate::PlatformAudioInput* audio_input_; |
| |
| DeviceRefDataVector devices_data_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PPB_AudioInput_Impl); |
| }; |
| |
| } // namespace ppapi |
| } // namespace webkit |
| |
| #endif // WEBKIT_PLUGINS_PPAPI_PPB_AUDIO_INPUT_IMPL_H_ |