1// Copyright (c) 2013 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 CHROMEOS_DBUS_CRAS_AUDIO_CLIENT_STUB_IMPL_H_
6#define CHROMEOS_DBUS_CRAS_AUDIO_CLIENT_STUB_IMPL_H_
7
8#include "chromeos/dbus/cras_audio_client.h"
9
10namespace chromeos {
11
12class CrasAudioHandlerTest;
13
14// The CrasAudioClient implementation used on Linux desktop.
15class CrasAudioClientStubImpl : public CrasAudioClient {
16 public:
17  CrasAudioClientStubImpl();
18  virtual ~CrasAudioClientStubImpl();
19
20  // CrasAudioClient overrides:
21  virtual void AddObserver(Observer* observer) OVERRIDE;
22  virtual void RemoveObserver(Observer* observer) OVERRIDE;
23  virtual bool HasObserver(Observer* observer) OVERRIDE;
24  virtual void GetVolumeState(const GetVolumeStateCallback& callback) OVERRIDE;
25  virtual void GetNodes(const GetNodesCallback& callback) OVERRIDE;
26  virtual void SetOutputNodeVolume(uint64 node_id, int32 volume) OVERRIDE;
27  virtual void SetOutputUserMute(bool mute_on) OVERRIDE;
28  virtual void SetInputNodeGain(uint64 node_id, int32 gain) OVERRIDE;
29  virtual void SetInputMute(bool mute_on) OVERRIDE;
30  virtual void SetActiveOutputNode(uint64 node_id) OVERRIDE;
31  virtual void SetActiveInputNode(uint64 node_id) OVERRIDE;
32
33 protected:
34  // Helper functions for testing
35  virtual void SetAudioDevices(const AudioNodeList& audio_nodes);
36  virtual void ChangeAudioNodes(const AudioNodeList& new_nodes);
37
38 private:
39  friend class CrasAudioHandlerTest;
40
41  VolumeState volume_state_;
42  AudioNodeList node_list_;
43  uint64 active_input_node_id_;
44  uint64 active_output_node_id_;
45  ObserverList<Observer> observers_;
46
47  DISALLOW_COPY_AND_ASSIGN(CrasAudioClientStubImpl);
48};
49
50}  // namespace chromeos
51
52#endif  // CHROMEOS_DBUS_CRAS_AUDIO_CLIENT_STUB_IMPL_H_
53