chromeos: Combine TrayAudio and TrayAudioChromeOs classes

ash/common/system/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/audio/tray_audio.h"
-
-#include <cmath>
-#include <utility>
-
-#include "ash/common/ash_constants.h"
-#include "ash/common/system/audio/tray_audio_delegate.h"
-#include "ash/common/system/audio/volume_view.h"
-#include "ash/common/system/tray/actionable_view.h"
-#include "ash/common/system/tray/fixed_sized_scroll_view.h"
-#include "ash/common/system/tray/hover_highlight_view.h"
-#include "ash/common/system/tray/system_tray_delegate.h"
-#include "ash/common/system/tray/system_tray_notifier.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/wm_shell.h"
-#include "base/strings/utf_string_conversions.h"
-#include "grit/ash_resources.h"
-#include "third_party/skia/include/core/SkCanvas.h"
-#include "third_party/skia/include/core/SkPaint.h"
-#include "third_party/skia/include/core/SkRect.h"
-#include "third_party/skia/include/effects/SkGradientShader.h"
-#include "ui/display/display.h"
-#include "ui/display/manager/managed_display_info.h"
-#include "ui/display/screen.h"
-#include "ui/gfx/canvas.h"
-#include "ui/gfx/font_list.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/image/image_skia_operations.h"
-#include "ui/views/controls/button/image_button.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/layout/box_layout.h"
-#include "ui/views/view.h"
-
-namespace ash {
-
-TrayAudio::TrayAudio(SystemTray* system_tray,
-                     std::unique_ptr<system::TrayAudioDelegate> audio_delegate)
-    : TrayImageItem(system_tray, IDR_AURA_UBER_TRAY_VOLUME_MUTE, UMA_AUDIO),
-      audio_delegate_(std::move(audio_delegate)),
-      volume_view_(NULL),
-      pop_up_volume_view_(false) {
-  WmShell::Get()->system_tray_notifier()->AddAudioObserver(this);
-  display::Screen::GetScreen()->AddObserver(this);
-}
-
-TrayAudio::~TrayAudio() {
-  display::Screen::GetScreen()->RemoveObserver(this);
-  WmShell::Get()->system_tray_notifier()->RemoveAudioObserver(this);
-}
-
-// static
-bool TrayAudio::ShowAudioDeviceMenu() {
-#if defined(OS_CHROMEOS)
-  return true;
-#else
-  return false;
-#endif
-}
-
-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) {
-  volume_view_ = new tray::VolumeView(this, audio_delegate_.get(), false);
-  return volume_view_;
-}
-
-void TrayAudio::DestroyDefaultView() {
-  volume_view_ = NULL;
-}
-
-void TrayAudio::DestroyDetailedView() {
-  if (volume_view_) {
-    volume_view_ = NULL;
-    pop_up_volume_view_ = false;
-  }
-}
-
-bool TrayAudio::ShouldHideArrow() const {
-  return true;
-}
-
-bool TrayAudio::ShouldShowShelf() const {
-  return TrayAudio::ShowAudioDeviceMenu() && !pop_up_volume_view_;
-}
-
-void TrayAudio::OnOutputNodeVolumeChanged(uint64_t /* node_id */,
-                                          double /* 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();
-}
-
-void TrayAudio::OnDisplayRemoved(const display::Display& old_display) {
-  if (!old_display.IsInternal())
-    return;
-  ChangeInternalSpeakerChannelMode();
-}
-
-void TrayAudio::OnDisplayMetricsChanged(const display::Display& display,
-                                        uint32_t changed_metrics) {
-  if (!display.IsInternal())
-    return;
-
-  if (changed_metrics & display::DisplayObserver::DISPLAY_METRIC_ROTATION)
-    ChangeInternalSpeakerChannelMode();
-}
-
-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();
-  }
-}
-
-}  // namespace ash