1 // Copyright 2014 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.
5 #ifndef ASH_SYSTEM_AUDIO_TRAY_AUDIO_H_
6 #define ASH_SYSTEM_AUDIO_TRAY_AUDIO_H_
8 #include "ash/system/audio/audio_observer.h"
9 #include "ash/system/tray/tray_image_item.h"
10 #include "base/memory/scoped_ptr.h"
15 class TrayAudioDelegate;
24 class TrayAudio : public TrayImageItem,
25 public AudioObserver {
27 TrayAudio(SystemTray* system_tray,
28 scoped_ptr<system::TrayAudioDelegate> audio_delegate);
31 static bool ShowAudioDeviceMenu();
34 virtual void Update();
36 scoped_ptr<system::TrayAudioDelegate> audio_delegate_;
37 tray::VolumeView* volume_view_;
39 // True if VolumeView should be created for accelerator pop up;
40 // Otherwise, it should be created for detailed view in ash tray bubble.
41 bool pop_up_volume_view_;
44 // Overridden from TrayImageItem.
45 virtual bool GetInitialVisibility() OVERRIDE;
47 // Overridden from SystemTrayItem.
48 virtual views::View* CreateDefaultView(user::LoginStatus status) OVERRIDE;
49 virtual views::View* CreateDetailedView(user::LoginStatus status) OVERRIDE;
50 virtual void DestroyDefaultView() OVERRIDE;
51 virtual void DestroyDetailedView() OVERRIDE;
52 virtual bool ShouldHideArrow() const OVERRIDE;
53 virtual bool ShouldShowShelf() const OVERRIDE;
55 // Overridden from AudioObserver.
56 virtual void OnOutputVolumeChanged() OVERRIDE;
57 virtual void OnOutputMuteChanged() OVERRIDE;
58 virtual void OnAudioNodesChanged() OVERRIDE;
59 virtual void OnActiveOutputNodeChanged() OVERRIDE;
60 virtual void OnActiveInputNodeChanged() OVERRIDE;
62 DISALLOW_COPY_AND_ASSIGN(TrayAudio);
65 } // namespace internal
68 #endif // ASH_SYSTEM_AUDIO_TRAY_AUDIO_H_