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      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.
      4 
      5 #include "ash/system/chromeos/audio/tray_audio_chromeos.h"
      6 
      7 #include "ash/metrics/user_metrics_recorder.h"
      8 #include "ash/shell.h"
      9 #include "ash/system/audio/volume_view.h"
     10 #include "ash/system/chromeos/audio/audio_detailed_view.h"
     11 #include "ash/system/chromeos/audio/tray_audio_delegate_chromeos.h"
     12 #include "ui/views/view.h"
     13 
     14 namespace ash {
     15 
     16 using system::TrayAudioDelegate;
     17 using system::TrayAudioDelegateChromeOs;
     18 
     19 TrayAudioChromeOs::TrayAudioChromeOs(SystemTray* system_tray)
     20     : TrayAudio(system_tray,
     21                 scoped_ptr<TrayAudioDelegate>(new TrayAudioDelegateChromeOs())),
     22       audio_detail_view_(NULL) {
     23 }
     24 
     25 TrayAudioChromeOs::~TrayAudioChromeOs() {
     26 }
     27 
     28 void TrayAudioChromeOs::Update() {
     29   TrayAudio::Update();
     30 
     31   if (audio_detail_view_)
     32     audio_detail_view_->Update();
     33 }
     34 
     35 views::View* TrayAudioChromeOs::CreateDetailedView(user::LoginStatus status) {
     36   if (pop_up_volume_view_) {
     37     volume_view_ = new tray::VolumeView(this, audio_delegate_.get(), false);
     38     return volume_view_;
     39   } else {
     40     Shell::GetInstance()->metrics()->RecordUserMetricsAction(
     41         ash::UMA_STATUS_AREA_DETAILED_AUDIO_VIEW);
     42     audio_detail_view_ =
     43         new tray::AudioDetailedView(this, status);
     44     return audio_detail_view_;
     45   }
     46 }
     47 
     48 void TrayAudioChromeOs::DestroyDetailedView() {
     49   if (audio_detail_view_) {
     50     audio_detail_view_ = NULL;
     51   } else if (volume_view_) {
     52     volume_view_ = NULL;
     53     pop_up_volume_view_ = false;
     54   }
     55 }
     56 
     57 }  // namespace ash
     58