Rewrite PPB_AudioInput_Dev to use the new-style host/resource.

webkit/plugins/ppapi/ppb_audio_input_impl.cc

-// 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.
-
-#include "webkit/plugins/ppapi/ppb_audio_input_impl.h"
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/shared_memory.h"
-#include "base/sync_socket.h"
-#include "build/build_config.h"
-#include "ppapi/c/pp_completion_callback.h"
-#include "ppapi/shared_impl/ppb_device_ref_shared.h"
-#include "ppapi/shared_impl/tracked_callback.h"
-#include "webkit/plugins/ppapi/common.h"
-#include "webkit/plugins/ppapi/resource_helper.h"
-
-using ppapi::TrackedCallback;
-
-namespace webkit {
-namespace ppapi {
-
-// PPB_AudioInput_Impl ---------------------------------------------------------
-
-PPB_AudioInput_Impl::PPB_AudioInput_Impl(PP_Instance instance)
-    : ::ppapi::PPB_AudioInput_Shared(instance),
-      audio_input_(NULL) {
-}
-
-PPB_AudioInput_Impl::~PPB_AudioInput_Impl() {
-  Close();
-}
-
-// static
-PP_Resource PPB_AudioInput_Impl::Create0_1(
-    PP_Instance instance,
-    PP_Resource config,
-    PPB_AudioInput_Callback audio_input_callback,
-    void* user_data) {
-  scoped_refptr<PPB_AudioInput_Impl>
-      audio_input(new PPB_AudioInput_Impl(instance));
-  int32_t result = audio_input->Open(
-      "", config, audio_input_callback, user_data,
-      MakeIgnoredCompletionCallback(audio_input.get()));
-  if (result != PP_OK && result != PP_OK_COMPLETIONPENDING)
-    return 0;
-  return audio_input->GetReference();
-}
-
-int32_t PPB_AudioInput_Impl::OpenTrusted(
-    const std::string& device_id,
-    PP_Resource config,
-    scoped_refptr<TrackedCallback> create_callback) {
-  return CommonOpen(device_id, config, NULL, NULL, create_callback);
-}
-
-int32_t PPB_AudioInput_Impl::GetSyncSocket(int* sync_socket) {
-  if (socket_.get()) {
-#if defined(OS_POSIX)
-    *sync_socket = socket_->handle();
-#elif defined(OS_WIN)
-    *sync_socket = reinterpret_cast<int>(socket_->handle());
-#else
-    #error "Platform not supported."
-#endif
-    return PP_OK;
-  }
-  return PP_ERROR_FAILED;
-}
-
-int32_t PPB_AudioInput_Impl::GetSharedMemory(int* shm_handle,
-                                             uint32_t* shm_size) {
-  if (shared_memory_.get()) {
-#if defined(OS_POSIX)
-    *shm_handle = shared_memory_->handle().fd;
-#elif defined(OS_WIN)
-    *shm_handle = reinterpret_cast<int>(shared_memory_->handle());
-#else
-    #error "Platform not supported."
-#endif
-    *shm_size = shared_memory_size_;
-    return PP_OK;
-  }
-  return PP_ERROR_FAILED;
-}
-
-const PPB_AudioInput_Impl::DeviceRefDataVector&
-    PPB_AudioInput_Impl::GetDeviceRefData() const {
-  return devices_data_;
-}
-
-void PPB_AudioInput_Impl::StreamCreated(
-    base::SharedMemoryHandle shared_memory_handle,
-    size_t shared_memory_size,
-    base::SyncSocket::Handle socket) {
-  OnOpenComplete(PP_OK, shared_memory_handle, shared_memory_size, socket);
-}
-
-void PPB_AudioInput_Impl::StreamCreationFailed() {
-  OnOpenComplete(PP_ERROR_FAILED, base::SharedMemory::NULLHandle(), 0,
-                 base::SyncSocket::kInvalidHandle);
-}
-
-int32_t PPB_AudioInput_Impl::InternalEnumerateDevices(
-    PP_Resource* devices,
-    scoped_refptr<TrackedCallback> callback) {
-  PluginDelegate* plugin_delegate = ResourceHelper::GetPluginDelegate(this);
-  if (!plugin_delegate)
-    return PP_ERROR_FAILED;
-
-  devices_ = devices;
-  enumerate_devices_callback_ = callback;
-  plugin_delegate->EnumerateDevices(
-      PP_DEVICETYPE_DEV_AUDIOCAPTURE,
-      base::Bind(&PPB_AudioInput_Impl::EnumerateDevicesCallbackFunc,
-                 AsWeakPtr()));
-  return PP_OK_COMPLETIONPENDING;
-}
-
-int32_t PPB_AudioInput_Impl::InternalOpen(
-    const std::string& device_id,
-    PP_AudioSampleRate sample_rate,
-    uint32_t sample_frame_count,
-    scoped_refptr<TrackedCallback> callback) {
-  PluginDelegate* plugin_delegate = ResourceHelper::GetPluginDelegate(this);
-  if (!plugin_delegate)
-    return PP_ERROR_FAILED;
-
-  // When the stream is created, we'll get called back on StreamCreated().
-  DCHECK(!audio_input_);
-  audio_input_ = plugin_delegate->CreateAudioInput(
-      device_id, sample_rate, sample_frame_count, this);
-  if (audio_input_) {
-    open_callback_ = callback;
-    return PP_OK_COMPLETIONPENDING;
-  } else {
-    return PP_ERROR_FAILED;
-  }
-}
-
-PP_Bool PPB_AudioInput_Impl::InternalStartCapture() {
-  if (!audio_input_)
-    return PP_FALSE;
-  SetStartCaptureState();
-  audio_input_->StartCapture();
-  return PP_TRUE;
-}
-
-PP_Bool PPB_AudioInput_Impl::InternalStopCapture() {
-  if (!audio_input_)
-    return PP_FALSE;
-  audio_input_->StopCapture();
-  SetStopCaptureState();
-  return PP_TRUE;
-}
-
-void PPB_AudioInput_Impl::InternalClose() {
-  // Calling ShutDown() makes sure StreamCreated() cannot be called anymore and
-  // releases the audio data associated with the pointer. Note however, that
-  // until ShutDown() returns, StreamCreated() may still be called. This will be
-  // OK since OnOpenComplete() will clean up the handles and do nothing else in
-  // that case.
-  if (audio_input_) {
-    audio_input_->ShutDown();
-    audio_input_ = NULL;
-  }
-}
-
-void PPB_AudioInput_Impl::EnumerateDevicesCallbackFunc(
-    int request_id,
-    bool succeeded,
-    const DeviceRefDataVector& devices) {
-  devices_data_.clear();
-  if (succeeded)
-    devices_data_ = devices;
-
-  PluginDelegate* plugin_delegate = ResourceHelper::GetPluginDelegate(this);
-  if (plugin_delegate)
-    plugin_delegate->StopEnumerateDevices(request_id);
-
-  OnEnumerateDevicesComplete(succeeded ? PP_OK : PP_ERROR_FAILED, devices);
-}
-
-}  // namespace ppapi
-}  // namespace webkit