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