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 #ifndef MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_ 6 #define MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_ 7 8 #include "media/audio/audio_manager.h" 9 10 namespace media { 11 12 // This class is a simple mock around AudioManager, used exclusively for tests, 13 // which has the following purposes: 14 // 1) Avoids to use the actual (system and platform dependent) AudioManager. 15 // Some bots does not have input devices, thus using the actual AudioManager 16 // would causing failures on classes which expect that. 17 // 2) Allows the mock audio events to be dispatched on an arbitrary thread, 18 // rather than forcing them on the audio thread, easing their handling in 19 // browser tests (Note: sharing a thread can cause deadlocks on production 20 // classes if WaitableEvents or any other form of lock is used for 21 // synchronization purposes). 22 class MockAudioManager : public media::AudioManager { 23 public: 24 explicit MockAudioManager(base::MessageLoopProxy* message_loop_proxy); 25 26 virtual bool HasAudioOutputDevices() OVERRIDE; 27 28 virtual bool HasAudioInputDevices() OVERRIDE; 29 30 virtual base::string16 GetAudioInputDeviceModel() OVERRIDE; 31 32 virtual void ShowAudioInputSettings() OVERRIDE; 33 34 virtual void GetAudioInputDeviceNames( 35 media::AudioDeviceNames* device_names) OVERRIDE; 36 37 virtual void GetAudioOutputDeviceNames( 38 media::AudioDeviceNames* device_names) OVERRIDE; 39 40 virtual media::AudioOutputStream* MakeAudioOutputStream( 41 const media::AudioParameters& params, 42 const std::string& device_id, 43 const std::string& input_device_id) OVERRIDE; 44 45 virtual media::AudioOutputStream* MakeAudioOutputStreamProxy( 46 const media::AudioParameters& params, 47 const std::string& device_id, 48 const std::string& input_device_id) OVERRIDE; 49 50 virtual media::AudioInputStream* MakeAudioInputStream( 51 const media::AudioParameters& params, 52 const std::string& device_id) OVERRIDE; 53 54 virtual scoped_refptr<base::MessageLoopProxy> GetMessageLoop() OVERRIDE; 55 virtual scoped_refptr<base::MessageLoopProxy> GetWorkerLoop() OVERRIDE; 56 57 virtual void AddOutputDeviceChangeListener( 58 AudioDeviceListener* listener) OVERRIDE; 59 virtual void RemoveOutputDeviceChangeListener( 60 AudioDeviceListener* listener) OVERRIDE; 61 62 virtual AudioParameters GetDefaultOutputStreamParameters() OVERRIDE; 63 virtual AudioParameters GetOutputStreamParameters( 64 const std::string& device_id) OVERRIDE; 65 virtual AudioParameters GetInputStreamParameters( 66 const std::string& device_id) OVERRIDE; 67 virtual std::string GetAssociatedOutputDeviceID( 68 const std::string& input_device_id) OVERRIDE; 69 70 virtual scoped_ptr<AudioLog> CreateAudioLog( 71 AudioLogFactory::AudioComponent component) OVERRIDE; 72 73 virtual void FixWedgedAudio() OVERRIDE; 74 75 protected: 76 virtual ~MockAudioManager(); 77 78 private: 79 scoped_refptr<base::MessageLoopProxy> message_loop_proxy_; 80 81 DISALLOW_COPY_AND_ASSIGN(MockAudioManager); 82 }; 83 84 } // namespace media. 85 86 #endif // MEDIA_AUDIO_MOCK_AUDIO_MANAGER_H_ 87
