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,
  18                            sync_writer,
  19                            user_input_monitor,
  20                            false),
  21       audio_parameters_(audio_parameters),
  22       factory_(factory),
  23       event_handler_(event_handler) {
  24   task_runner_ = audio_manager->GetTaskRunner();
  25 }
  26
  27 TestAudioInputController::~TestAudioInputController() {
  28   // Inform the factory so that it allows creating new instances in future.
  29   factory_->OnTestAudioInputControllerDestroyed(this);
  30 }
  31
  32 void TestAudioInputController::Record() {
  33   if (factory_->delegate_)
  34     factory_->delegate_->TestAudioControllerOpened(this);
  35 }
  36
  37 void TestAudioInputController::Close(const base::Closure& closed_task) {
  38   task_runner_->PostTask(FROM_HERE, closed_task);
  39   if (factory_->delegate_)
  40     factory_->delegate_->TestAudioControllerClosed(this);
  41 }
  42
  43 TestAudioInputControllerFactory::TestAudioInputControllerFactory()
  44     : controller_(NULL),
  45       delegate_(NULL) {
  46 }
  47
  48 TestAudioInputControllerFactory::~TestAudioInputControllerFactory() {
  49   DCHECK(!controller_);
  50 }
  51
  52 AudioInputController* TestAudioInputControllerFactory::Create(
  53     AudioManager* audio_manager,
  54     AudioInputController::EventHandler* event_handler,
  55     AudioParameters params,
  56     UserInputMonitor* user_input_monitor) {
  57   DCHECK(!controller_);  // Only one test instance managed at a time.
  58   controller_ = new TestAudioInputController(
  59       this, audio_manager, params, event_handler, NULL, user_input_monitor);
  60   return controller_;
  61 }
  62
  63 void TestAudioInputControllerFactory::OnTestAudioInputControllerDestroyed(
  64     TestAudioInputController* controller) {
  65   DCHECK_EQ(controller_, controller);
  66   controller_ = NULL;
  67 }
  68
  69 }  // namespace media