chromeos/dbus/fake_cras_audio_client.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_FAKE_CRAS_AUDIO_CLIENT_H_
   6 #define CHROMEOS_DBUS_FAKE_CRAS_AUDIO_CLIENT_H_
   7
   8 #include "chromeos/chromeos_export.h"
   9 #include "chromeos/dbus/cras_audio_client.h"
  10
  11 namespace chromeos {
  12
  13 class CrasAudioHandlerTest;
  14
  15 // The CrasAudioClient implementation used on Linux desktop.
  16 class CHROMEOS_EXPORT FakeCrasAudioClient : public CrasAudioClient {
  17  public:
  18   FakeCrasAudioClient();
  19   ~FakeCrasAudioClient() override;
  20
  21   // CrasAudioClient overrides:
  22   void Init(dbus::Bus* bus) override;
  23   void AddObserver(Observer* observer) override;
  24   void RemoveObserver(Observer* observer) override;
  25   bool HasObserver(const Observer* observer) const override;
  26   void GetVolumeState(const GetVolumeStateCallback& callback) override;
  27   void GetNodes(const GetNodesCallback& callback,
  28                 const ErrorCallback& error_callback) override;
  29   void SetOutputNodeVolume(uint64 node_id, int32 volume) override;
  30   void SetOutputUserMute(bool mute_on) override;
  31   void SetInputNodeGain(uint64 node_id, int32 gain) override;
  32   void SetInputMute(bool mute_on) override;
  33   void SetActiveOutputNode(uint64 node_id) override;
  34   void SetActiveInputNode(uint64 node_id) override;
  35   void AddActiveInputNode(uint64 node_id) override;
  36   void RemoveActiveInputNode(uint64 node_id) override;
  37   void AddActiveOutputNode(uint64 node_id) override;
  38   void RemoveActiveOutputNode(uint64 node_id) override;
  39   void SwapLeftRight(uint64 node_id, bool swap) override;
  40
  41   // Modifies an AudioNode from |node_list_| based on |audio_node.id|.
  42   // if the |audio_node.id| cannot be found in list, Add an
  43   // AudioNode to |node_list_|
  44   void InsertAudioNodeToList(const AudioNode& audio_node);
  45
  46   // Removes an AudioNode from |node_list_| based on |node_id|.
  47   void RemoveAudioNodeFromList(const uint64& node_id);
  48
  49   // Updates |node_list_| to contain |audio_nodes|.
  50   void SetAudioNodesForTesting(const AudioNodeList& audio_nodes);
  51
  52   // Calls SetAudioNodesForTesting() and additionally notifies |observers_|.
  53   void SetAudioNodesAndNotifyObserversForTesting(
  54       const AudioNodeList& new_nodes);
  55
  56   const AudioNodeList& node_list() const { return node_list_; }
  57   const uint64& active_input_node_id() const { return active_input_node_id_; }
  58   const uint64& active_output_node_id() const { return active_output_node_id_; }
  59
  60  private:
  61   // Find a node in the list based on the id.
  62   AudioNodeList::iterator FindNode(uint64 node_id);
  63
  64   VolumeState volume_state_;
  65   AudioNodeList node_list_;
  66   uint64 active_input_node_id_;
  67   uint64 active_output_node_id_;
  68   base::ObserverList<Observer> observers_;
  69
  70   DISALLOW_COPY_AND_ASSIGN(FakeCrasAudioClient);
  71 };
  72
  73 }  // namespace chromeos
  74
  75 #endif  // CHROMEOS_DBUS_FAKE_CRAS_AUDIO_CLIENT_H_