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

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

Index: ash/common/system/chromeos/audio/volume_view.cc
diff --git a/ash/common/system/chromeos/audio/volume_view.cc b/ash/common/system/chromeos/audio/volume_view.cc
deleted file mode 100644
index 47cfabec340de3d50ef59e27009412cac6fe46ab..0000000000000000000000000000000000000000
--- a/ash/common/system/chromeos/audio/volume_view.cc
+++ /dev/null
@@ -1,248 +0,0 @@
-// 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/volume_view.h"
-
-#include <algorithm>
-
-#include "ash/common/metrics/user_metrics_action.h"
-#include "ash/common/system/chromeos/audio/tray_audio_delegate.h"
-#include "ash/common/system/tray/actionable_view.h"
-#include "ash/common/system/tray/system_tray_item.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/system/tray/tray_popup_item_container.h"
-#include "ash/common/system/tray/tray_popup_utils.h"
-#include "ash/common/system/tray/tri_view.h"
-#include "ash/common/wm_shell.h"
-#include "ash/resources/vector_icons/vector_icons.h"
-#include "ash/strings/grit/ash_strings.h"
-#include "ui/accessibility/ax_node_data.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/paint_vector_icon.h"
-#include "ui/gfx/vector_icon_types.h"
-#include "ui/views/background.h"
-#include "ui/views/border.h"
-#include "ui/views/controls/button/custom_button.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/slider.h"
-#include "ui/views/layout/fill_layout.h"
-
-namespace {
-
-const gfx::VectorIcon* const kVolumeLevelIcons[] = {
-    &ash::kSystemMenuVolumeMuteIcon,    // Muted.
-    &ash::kSystemMenuVolumeLowIcon,     // Low volume.
-    &ash::kSystemMenuVolumeMediumIcon,  // Medium volume.
-    &ash::kSystemMenuVolumeHighIcon,    // High volume.
-    &ash::kSystemMenuVolumeHighIcon,    // Full volume.
-};
-
-}  // namespace
-
-namespace ash {
-namespace tray {
-
-class VolumeButton : public ButtonListenerActionableView {
- public:
-  VolumeButton(SystemTrayItem* owner,
-               views::ButtonListener* listener,
-               system::TrayAudioDelegate* audio_delegate)
-      : ButtonListenerActionableView(owner,
-                                     TrayPopupInkDropStyle::HOST_CENTERED,
-                                     listener),
-        audio_delegate_(audio_delegate),
-        image_(TrayPopupUtils::CreateMainImageView()),
-        image_index_(-1) {
-    TrayPopupUtils::ConfigureContainer(TriView::Container::START, this);
-    AddChildView(image_);
-    SetInkDropMode(InkDropMode::ON);
-    Update();
-
-    set_notify_enter_exit_on_child(true);
-  }
-
-  ~VolumeButton() override {}
-
-  void Update() {
-    float level =
-        static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f;
-    int volume_levels = arraysize(kVolumeLevelIcons) - 1;
-    int image_index =
-        audio_delegate_->IsOutputAudioMuted()
-            ? 0
-            : (level == 1.0 ? volume_levels
-                            : std::max(1, static_cast<int>(std::ceil(
-                                              level * (volume_levels - 1)))));
-    gfx::ImageSkia image_skia =
-        gfx::CreateVectorIcon(*kVolumeLevelIcons[image_index], kMenuIconColor);
-    image_->SetImage(&image_skia);
-    image_index_ = image_index;
-  }
-
- private:
-  // views::View:
-  void GetAccessibleNodeData(ui::AXNodeData* node_data) override {
-    node_data->SetName(
-        l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_VOLUME_MUTE));
-    node_data->role = ui::AX_ROLE_TOGGLE_BUTTON;
-    if (audio_delegate_->IsOutputAudioMuted())
-      node_data->AddStateFlag(ui::AX_STATE_PRESSED);
-  }
-
-  system::TrayAudioDelegate* audio_delegate_;
-  views::ImageView* image_;
-  int image_index_;
-
-  DISALLOW_COPY_AND_ASSIGN(VolumeButton);
-};
-
-VolumeView::VolumeView(SystemTrayItem* owner,
-                       system::TrayAudioDelegate* audio_delegate,
-                       bool is_default_view)
-    : owner_(owner),
-      tri_view_(TrayPopupUtils::CreateMultiTargetRowView()),
-      audio_delegate_(audio_delegate),
-      more_button_(nullptr),
-      icon_(nullptr),
-      slider_(nullptr),
-      device_type_(nullptr),
-      is_default_view_(is_default_view) {
-  SetLayoutManager(new views::FillLayout);
-  AddChildView(tri_view_);
-
-  icon_ = new VolumeButton(owner, this, audio_delegate_);
-  tri_view_->AddView(TriView::Container::START, icon_);
-
-  slider_ = TrayPopupUtils::CreateSlider(this);
-  slider_->SetValue(
-      static_cast<float>(audio_delegate_->GetOutputVolumeLevel()) / 100.0f);
-  slider_->SetAccessibleName(
-      l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_VOLUME));
-  tri_view_->AddView(TriView::Container::CENTER, slider_);
-
-  set_background(views::Background::CreateSolidBackground(kBackgroundColor));
-
-  if (!is_default_view_) {
-    tri_view_->SetContainerVisible(TriView::Container::END, false);
-    Update();
-    return;
-  }
-
-  more_button_ = new ButtonListenerActionableView(
-      owner_, TrayPopupInkDropStyle::INSET_BOUNDS, this);
-  TrayPopupUtils::ConfigureContainer(TriView::Container::END, more_button_);
-
-  more_button_->SetInkDropMode(views::InkDropHostView::InkDropMode::ON);
-  more_button_->SetBorder(views::CreateEmptyBorder(gfx::Insets(
-      0, kTrayPopupButtonEndMargin)));
-  tri_view_->AddView(TriView::Container::END, more_button_);
-
-  device_type_ = TrayPopupUtils::CreateMoreImageView();
-  device_type_->SetVisible(false);
-  more_button_->AddChildView(device_type_);
-
-  more_button_->AddChildView(TrayPopupUtils::CreateMoreImageView());
-
-  Update();
-}
-
-VolumeView::~VolumeView() {}
-
-void VolumeView::Update() {
-  icon_->Update();
-  slider_->UpdateState(!audio_delegate_->IsOutputAudioMuted());
-  UpdateDeviceTypeAndMore();
-  Layout();
-}
-
-void VolumeView::SetVolumeLevel(float percent) {
-  // Update volume level to the current audio level.
-  Update();
-
-  // Slider's value is in finer granularity than audio volume level(0.01),
-  // there will be a small discrepancy between slider's value and volume level
-  // on audio side. To avoid the jittering in slider UI, do not set change
-  // slider value if the change is less than 1%.
-  if (std::abs(percent - slider_->value()) < 0.01)
-    return;
-  slider_->SetValue(percent);
-  // It is possible that the volume was (un)muted, but the actual volume level
-  // did not change. In that case, setting the value of the slider won't
-  // trigger an update. So explicitly trigger an update.
-  Update();
-  slider_->set_enable_accessibility_events(true);
-}
-
-void VolumeView::UpdateDeviceTypeAndMore() {
-  bool show_more = is_default_view_ && audio_delegate_->HasAlternativeSources();
-
-  if (!show_more)
-    return;
-
-  const gfx::VectorIcon& device_icon =
-      audio_delegate_->GetActiveOutputDeviceVectorIcon();
-  const bool target_visibility = !device_icon.is_empty();
-  if (target_visibility)
-    device_type_->SetImage(gfx::CreateVectorIcon(device_icon, kMenuIconColor));
-  if (device_type_->visible() != target_visibility) {
-    device_type_->SetVisible(target_visibility);
-    device_type_->InvalidateLayout();
-  }
-}
-
-void VolumeView::HandleVolumeUp(int level) {
-  audio_delegate_->SetOutputVolumeLevel(level);
-  if (audio_delegate_->IsOutputAudioMuted() &&
-      level > audio_delegate_->GetOutputDefaultVolumeMuteLevel()) {
-    audio_delegate_->SetOutputAudioIsMuted(false);
-  }
-}
-
-void VolumeView::HandleVolumeDown(int level) {
-  audio_delegate_->SetOutputVolumeLevel(level);
-  if (!audio_delegate_->IsOutputAudioMuted() &&
-      level <= audio_delegate_->GetOutputDefaultVolumeMuteLevel()) {
-    audio_delegate_->SetOutputAudioIsMuted(true);
-  } else if (audio_delegate_->IsOutputAudioMuted() &&
-             level > audio_delegate_->GetOutputDefaultVolumeMuteLevel()) {
-    audio_delegate_->SetOutputAudioIsMuted(false);
-  }
-}
-
-void VolumeView::ButtonPressed(views::Button* sender, const ui::Event& event) {
-  if (sender == icon_) {
-    bool mute_on = !audio_delegate_->IsOutputAudioMuted();
-    audio_delegate_->SetOutputAudioIsMuted(mute_on);
-    if (!mute_on)
-      audio_delegate_->AdjustOutputVolumeToAudibleLevel();
-    icon_->Update();
-  } else if (sender == more_button_) {
-    owner_->TransitionDetailedView();
-  } else {
-    NOTREACHED() << "Unexpected sender=" << sender->GetClassName() << ".";
-  }
-}
-
-void VolumeView::SliderValueChanged(views::Slider* sender,
-                                    float value,
-                                    float old_value,
-                                    views::SliderChangeReason reason) {
-  if (reason == views::VALUE_CHANGED_BY_USER) {
-    int new_volume = static_cast<int>(value * 100);
-    int current_volume = audio_delegate_->GetOutputVolumeLevel();
-    if (new_volume == current_volume)
-      return;
-    WmShell::Get()->RecordUserMetricsAction(
-        is_default_view_ ? UMA_STATUS_AREA_CHANGED_VOLUME_MENU
-                         : UMA_STATUS_AREA_CHANGED_VOLUME_POPUP);
-    if (new_volume > current_volume)
-      HandleVolumeUp(new_volume);
-    else
-      HandleVolumeDown(new_volume);
-  }
-  icon_->Update();
-}
-
-}  // namespace tray
-}  // namespace ash