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 "chromeos/dbus/dbus_thread_manager.h"
  13 #include "ui/views/view.h"
  14
  15 namespace ash {
  16
  17 using system::TrayAudioDelegate;
  18 using system::TrayAudioDelegateChromeOs;
  19
  20 TrayAudioChromeOs::TrayAudioChromeOs(SystemTray* system_tray)
  21     : TrayAudio(system_tray,
  22                 scoped_ptr<TrayAudioDelegate>(new TrayAudioDelegateChromeOs())),
  23       audio_detail_view_(NULL) {
  24   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(
  25       this);
  26 }
  27
  28 TrayAudioChromeOs::~TrayAudioChromeOs() {
  29   chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(
  30       this);
  31 }
  32
  33 void TrayAudioChromeOs::Update() {
  34   TrayAudio::Update();
  35
  36   if (audio_detail_view_)
  37     audio_detail_view_->Update();
  38 }
  39
  40 views::View* TrayAudioChromeOs::CreateDetailedView(user::LoginStatus status) {
  41   if (pop_up_volume_view_) {
  42     volume_view_ = new tray::VolumeView(this, audio_delegate_.get(), false);
  43     return volume_view_;
  44   } else {
  45     Shell::GetInstance()->metrics()->RecordUserMetricsAction(
  46         ash::UMA_STATUS_AREA_DETAILED_AUDIO_VIEW);
  47     audio_detail_view_ = new tray::AudioDetailedView(this);
  48     return audio_detail_view_;
  49   }
  50 }
  51
  52 void TrayAudioChromeOs::DestroyDetailedView() {
  53   if (audio_detail_view_) {
  54     audio_detail_view_ = NULL;
  55   } else if (volume_view_) {
  56     volume_view_ = NULL;
  57     pop_up_volume_view_ = false;
  58   }
  59 }
  60
  61 void TrayAudioChromeOs::OnDisplayAdded(const gfx::Display& new_display) {
  62   TrayAudio::OnDisplayAdded(new_display);
  63
  64   // This event will be triggered when the lid of the device is opened to exit
  65   // the docked mode, we should always start or re-start HDMI re-discovering
  66   // grace period right after this event.
  67   audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(true);
  68 }
  69
  70 void TrayAudioChromeOs::OnDisplayRemoved(const gfx::Display& old_display) {
  71   TrayAudio::OnDisplayRemoved(old_display);
  72
  73   // This event will be triggered when the lid of the device is closed to enter
  74   // the docked mode, we should always start or re-start HDMI re-discovering
  75   // grace period right after this event.
  76   audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(true);
  77 }
  78
  79 void TrayAudioChromeOs::OnDisplayMetricsChanged(const gfx::Display& display,
  80                                                 uint32_t changed_metrics) {
  81   // The event could be triggered multiple times during the HDMI display
  82   // transition, we don't need to restart HDMI re-discovering grace period
  83   // it is already started earlier.
  84   audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(false);
  85 }
  86
  87 void TrayAudioChromeOs::SuspendDone(const base::TimeDelta& sleep_duration) {
  88   // This event is triggered when the device resumes after earlier suspension,
  89   // we should always start or re-start HDMI re-discovering
  90   // grace period right after this event.
  91   audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(true);
  92 }
  93
  94 }  // namespace ash