chromeos/dbus/cras_audio_client_stub_impl.h

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