chromeos: Move files in //ash/common to //ash, part 1

ash/common/system/chromeos/audio/tray_audio.h

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef ASH_COMMON_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_
-
-#include <stdint.h>
-
-#include <memory>
-
-#include "ash/ash_export.h"
-#include "ash/common/system/tray/tray_image_item.h"
-#include "base/macros.h"
-#include "chromeos/audio/cras_audio_handler.h"
-#include "chromeos/dbus/power_manager_client.h"
-#include "ui/display/display_observer.h"
-
-namespace ash {
-
-namespace system {
-class TrayAudioDelegate;
-}
-
-namespace tray {
-class AudioDetailedView;
-class VolumeView;
-}
-
-// The system tray item for audio input and output.
-class ASH_EXPORT TrayAudio : public TrayImageItem,
-                             public chromeos::CrasAudioHandler::AudioObserver,
-                             public display::DisplayObserver,
-                             public chromeos::PowerManagerClient::Observer {
- public:
-  explicit TrayAudio(SystemTray* system_tray);
-  ~TrayAudio() override;
-
-  // Temporarily shows the pop-up volume slider on all displays. Used by ARC
-  // when an Android app changes the system volume.
-  static void ShowPopUpVolumeView();
-
-  tray::VolumeView* volume_view_for_testing() { return volume_view_; }
-  bool pop_up_volume_view_for_testing() { return pop_up_volume_view_; }
-
- private:
-  // Overridden from display::DisplayObserver.
-  void OnDisplayAdded(const display::Display& new_display) override;
-  void OnDisplayRemoved(const display::Display& old_display) override;
-  void OnDisplayMetricsChanged(const display::Display& display,
-                               uint32_t changed_metrics) override;
-
-  // Overridden from TrayImageItem.
-  bool GetInitialVisibility() override;
-
-  // Overridden from SystemTrayItem.
-  views::View* CreateDefaultView(LoginStatus status) override;
-  views::View* CreateDetailedView(LoginStatus status) override;
-  void DestroyDefaultView() override;
-  void DestroyDetailedView() override;
-  bool ShouldShowShelf() const override;
-
-  // Overridden from CrasAudioHandler::AudioObserver.
-  void OnOutputNodeVolumeChanged(uint64_t node_id, int volume) override;
-  void OnOutputMuteChanged(bool mute_on, bool system_adjust) override;
-  void OnAudioNodesChanged() override;
-  void OnActiveOutputNodeChanged() override;
-  void OnActiveInputNodeChanged() override;
-
-  // Overridden from chromeos::PowerManagerClient::Observer.
-  void SuspendDone(const base::TimeDelta& sleep_duration) override;
-
-  // Swaps the left and right channels on yoga devices based on orientation.
-  void ChangeInternalSpeakerChannelMode();
-
-  // Updates the UI views.
-  void Update();
-
-  // TODO(jamescook): Remove this delegate and inline all the code.
-  std::unique_ptr<system::TrayAudioDelegate> audio_delegate_;
-  tray::VolumeView* volume_view_;
-
-  // True if VolumeView should be created for accelerator pop up;
-  // Otherwise, it should be created for detailed view in ash tray bubble.
-  bool pop_up_volume_view_;
-
-  tray::AudioDetailedView* audio_detail_view_;
-
-  DISALLOW_COPY_AND_ASSIGN(TrayAudio);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_AUDIO_TRAY_AUDIO_H_