media/audio/test_audio_input_controller_factory.cc

   1 // Copyright (c) 2012 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 #include "media/audio/test_audio_input_controller_factory.h"
   6 #include "media/audio/audio_io.h"
   7
   8 namespace media {
   9
  10 TestAudioInputController::TestAudioInputController(
  11     TestAudioInputControllerFactory* factory,
  12     AudioManager* audio_manager,
  13     const AudioParameters& audio_parameters,
  14     EventHandler* event_handler,
  15     SyncWriter* sync_writer,
  16     UserInputMonitor* user_input_monitor)
  17     : AudioInputController(event_handler, sync_writer, user_input_monitor),
  18       audio_parameters_(audio_parameters),
  19       factory_(factory),
  20       event_handler_(event_handler) {
  21   task_runner_ = audio_manager->GetTaskRunner();
  22 }
  23
  24 TestAudioInputController::~TestAudioInputController() {
  25   // Inform the factory so that it allows creating new instances in future.
  26   factory_->OnTestAudioInputControllerDestroyed(this);
  27 }
  28
  29 void TestAudioInputController::Record() {
  30   if (factory_->delegate_)
  31     factory_->delegate_->TestAudioControllerOpened(this);
  32 }
  33
  34 void TestAudioInputController::Close(const base::Closure& closed_task) {
  35   task_runner_->PostTask(FROM_HERE, closed_task);
  36   if (factory_->delegate_)
  37     factory_->delegate_->TestAudioControllerClosed(this);
  38 }
  39
  40 TestAudioInputControllerFactory::TestAudioInputControllerFactory()
  41     : controller_(NULL),
  42       delegate_(NULL) {
  43 }
  44
  45 TestAudioInputControllerFactory::~TestAudioInputControllerFactory() {
  46   DCHECK(!controller_);
  47 }
  48
  49 AudioInputController* TestAudioInputControllerFactory::Create(
  50     AudioManager* audio_manager,
  51     AudioInputController::EventHandler* event_handler,
  52     AudioParameters params,
  53     UserInputMonitor* user_input_monitor) {
  54   DCHECK(!controller_);  // Only one test instance managed at a time.
  55   controller_ = new TestAudioInputController(
  56       this, audio_manager, params, event_handler, NULL, user_input_monitor);
  57   return controller_;
  58 }
  59
  60 void TestAudioInputControllerFactory::OnTestAudioInputControllerDestroyed(
  61     TestAudioInputController* controller) {
  62   DCHECK_EQ(controller_, controller);
  63   controller_ = NULL;
  64 }
  65
  66 }  // namespace media