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 ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_ 6 #define ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_ 7 8 #include "ash/system/tray/tray_image_item.h" 9 #include "chromeos/audio/cras_audio_handler.h" 10 11 namespace ash { 12 namespace internal { 13 14 namespace tray { 15 class VolumeView; 16 class AudioDetailedView; 17 } 18 19 class TrayAudio : public TrayImageItem, 20 public chromeos::CrasAudioHandler::AudioObserver { 21 public: 22 explicit TrayAudio(SystemTray* system_tray); 23 virtual ~TrayAudio(); 24 25 private: 26 // Overridden from TrayImageItem. 27 virtual bool GetInitialVisibility() OVERRIDE; 28 29 // Overridden from SystemTrayItem. 30 virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE; 31 virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE; 32 virtual void DestroyDefaultView() OVERRIDE; 33 virtual void DestroyDetailedView() OVERRIDE; 34 virtual bool ShouldHideArrow() const OVERRIDE; 35 virtual bool ShouldShowLauncher() const OVERRIDE; 36 37 // Overridden from chromeos::CrasAudioHandler::AudioObserver. 38 virtual void OnOutputVolumeChanged() OVERRIDE; 39 virtual void OnOutputMuteChanged() OVERRIDE; 40 virtual void OnInputGainChanged() OVERRIDE; 41 virtual void OnInputMuteChanged() OVERRIDE; 42 virtual void OnAudioNodesChanged() OVERRIDE; 43 virtual void OnActiveOutputNodeChanged() OVERRIDE; 44 virtual void OnActiveInputNodeChanged() OVERRIDE; 45 46 void Update(); 47 48 tray::VolumeView* volume_view_; 49 tray::AudioDetailedView* audio_detail_; 50 51 // True if VolumeView should be created for accelerator pop up; 52 // Otherwise, it should be created for detailed view in ash tray bubble. 53 bool pop_up_volume_view_; 54 55 DISALLOW_COPY_AND_ASSIGN(TrayAudio); 56 }; 57 58 } // namespace internal 59 } // namespace ash 60 61 #endif // ASH_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_ 62