ash/system/chromeos/audio/tray_audio_chromeos.cc

   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