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

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

-// 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.
-
-#include "ash/common/system/chromeos/audio/tray_audio.h"
-
-#include "ash/common/system/chromeos/audio/audio_detailed_view.h"
-#include "ash/common/system/chromeos/audio/tray_audio_delegate_chromeos.h"
-#include "ash/common/system/chromeos/audio/volume_view.h"
-#include "ash/common/system/tray/system_tray.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/root_window_controller.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "ui/display/display.h"
-#include "ui/display/manager/managed_display_info.h"
-#include "ui/display/screen.h"
-#include "ui/views/view.h"
-
-namespace ash {
-
-using chromeos::CrasAudioHandler;
-using chromeos::DBusThreadManager;
-using system::TrayAudioDelegate;
-using system::TrayAudioDelegateChromeOs;
-
-TrayAudio::TrayAudio(SystemTray* system_tray)
-    : TrayImageItem(system_tray, kSystemTrayVolumeMuteIcon, UMA_AUDIO),
-      audio_delegate_(new TrayAudioDelegateChromeOs()),
-      volume_view_(nullptr),
-      pop_up_volume_view_(false),
-      audio_detail_view_(nullptr) {
-  if (CrasAudioHandler::IsInitialized())
-    CrasAudioHandler::Get()->AddAudioObserver(this);
-  display::Screen::GetScreen()->AddObserver(this);
-  DBusThreadManager::Get()->GetPowerManagerClient()->AddObserver(this);
-}
-
-TrayAudio::~TrayAudio() {
-  DBusThreadManager::Get()->GetPowerManagerClient()->RemoveObserver(this);
-  display::Screen::GetScreen()->RemoveObserver(this);
-  if (CrasAudioHandler::IsInitialized())
-    CrasAudioHandler::Get()->RemoveAudioObserver(this);
-}
-
-// static
-void TrayAudio::ShowPopUpVolumeView() {
-  // Show the popup on all monitors with a system tray.
-  for (WmWindow* root : WmShell::Get()->GetAllRootWindows()) {
-    SystemTray* system_tray = root->GetRootWindowController()->GetSystemTray();
-    if (!system_tray)
-      continue;
-    // Show the popup by simulating a volume change. The provided node id and
-    // volume value are ignored.
-    system_tray->GetTrayAudio()->OnOutputNodeVolumeChanged(0, 0);
-  }
-}
-
-bool TrayAudio::GetInitialVisibility() {
-  return audio_delegate_->IsOutputAudioMuted();
-}
-
-views::View* TrayAudio::CreateDefaultView(LoginStatus status) {
-  volume_view_ = new tray::VolumeView(this, audio_delegate_.get(), true);
-  return volume_view_;
-}
-
-views::View* TrayAudio::CreateDetailedView(LoginStatus status) {
-  if (pop_up_volume_view_) {
-    volume_view_ = new tray::VolumeView(this, audio_delegate_.get(), false);
-    return volume_view_;
-  } else {
-    WmShell::Get()->RecordUserMetricsAction(
-        UMA_STATUS_AREA_DETAILED_AUDIO_VIEW);
-    audio_detail_view_ = new tray::AudioDetailedView(this);
-    return audio_detail_view_;
-  }
-}
-
-void TrayAudio::DestroyDefaultView() {
-  volume_view_ = NULL;
-}
-
-void TrayAudio::DestroyDetailedView() {
-  if (audio_detail_view_) {
-    audio_detail_view_ = nullptr;
-  } else if (volume_view_) {
-    volume_view_ = nullptr;
-    pop_up_volume_view_ = false;
-  }
-}
-
-bool TrayAudio::ShouldShowShelf() const {
-  return !pop_up_volume_view_;
-}
-
-void TrayAudio::OnOutputNodeVolumeChanged(uint64_t /* node_id */,
-                                          int /* volume */) {
-  float percent =
-      static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f;
-  if (tray_view())
-    tray_view()->SetVisible(GetInitialVisibility());
-
-  if (volume_view_) {
-    volume_view_->SetVolumeLevel(percent);
-    SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds);
-    return;
-  }
-  pop_up_volume_view_ = true;
-  PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false);
-}
-
-void TrayAudio::OnOutputMuteChanged(bool /* mute_on */, bool system_adjust) {
-  if (tray_view())
-    tray_view()->SetVisible(GetInitialVisibility());
-
-  if (volume_view_) {
-    volume_view_->Update();
-    SetDetailedViewCloseDelay(kTrayPopupAutoCloseDelayInSeconds);
-  } else if (!system_adjust) {
-    pop_up_volume_view_ = true;
-    PopupDetailedView(kTrayPopupAutoCloseDelayInSeconds, false);
-  }
-}
-
-void TrayAudio::OnAudioNodesChanged() {
-  Update();
-}
-
-void TrayAudio::OnActiveOutputNodeChanged() {
-  Update();
-}
-
-void TrayAudio::OnActiveInputNodeChanged() {
-  Update();
-}
-
-void TrayAudio::ChangeInternalSpeakerChannelMode() {
-  // Swap left/right channel only if it is in Yoga mode.
-  system::TrayAudioDelegate::AudioChannelMode channel_mode =
-      system::TrayAudioDelegate::NORMAL;
-  if (display::Display::HasInternalDisplay()) {
-    const display::ManagedDisplayInfo& display_info =
-        WmShell::Get()->GetDisplayInfo(display::Display::InternalDisplayId());
-    if (display_info.GetActiveRotation() == display::Display::ROTATE_180)
-      channel_mode = system::TrayAudioDelegate::LEFT_RIGHT_SWAPPED;
-  }
-
-  audio_delegate_->SetInternalSpeakerChannelMode(channel_mode);
-}
-
-void TrayAudio::OnDisplayAdded(const display::Display& new_display) {
-  if (!new_display.IsInternal())
-    return;
-  ChangeInternalSpeakerChannelMode();
-
-  // This event will be triggered when the lid of the device is opened to exit
-  // the docked mode, we should always start or re-start HDMI re-discovering
-  // grace period right after this event.
-  audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(true);
-}
-
-void TrayAudio::OnDisplayRemoved(const display::Display& old_display) {
-  if (!old_display.IsInternal())
-    return;
-  ChangeInternalSpeakerChannelMode();
-
-  // This event will be triggered when the lid of the device is closed to enter
-  // the docked mode, we should always start or re-start HDMI re-discovering
-  // grace period right after this event.
-  audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(true);
-}
-
-void TrayAudio::OnDisplayMetricsChanged(const display::Display& display,
-                                        uint32_t changed_metrics) {
-  if (!display.IsInternal())
-    return;
-
-  if (changed_metrics & display::DisplayObserver::DISPLAY_METRIC_ROTATION)
-    ChangeInternalSpeakerChannelMode();
-
-  // The event could be triggered multiple times during the HDMI display
-  // transition, we don't need to restart HDMI re-discovering grace period
-  // it is already started earlier.
-  audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(false);
-}
-
-void TrayAudio::SuspendDone(const base::TimeDelta& sleep_duration) {
-  // This event is triggered when the device resumes after earlier suspension,
-  // we should always start or re-start HDMI re-discovering
-  // grace period right after this event.
-  audio_delegate_->SetActiveHDMIOutoutRediscoveringIfNecessary(true);
-}
-
-void TrayAudio::Update() {
-  if (tray_view())
-    tray_view()->SetVisible(GetInitialVisibility());
-  if (volume_view_) {
-    volume_view_->SetVolumeLevel(
-        static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f);
-    volume_view_->Update();
-  }
-
-  if (audio_detail_view_)
-    audio_detail_view_->Update();
-}
-
-}  // namespace ash