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

ash/common/system/tray_accessibility.cc

Index: ash/common/system/tray_accessibility.cc
diff --git a/ash/common/system/tray_accessibility.cc b/ash/common/system/tray_accessibility.cc
deleted file mode 100644
index 1c127cc0f0bddaa7de4c47127a6251f899ac3d74..0000000000000000000000000000000000000000
--- a/ash/common/system/tray_accessibility.cc
+++ /dev/null
@@ -1,444 +0,0 @@
-// Copyright (c) 2012 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/tray_accessibility.h"
-
-#include "ash/common/accessibility_delegate.h"
-#include "ash/common/accessibility_types.h"
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/system/tray/hover_highlight_view.h"
-#include "ash/common/system/tray/system_tray.h"
-#include "ash/common/system/tray/system_tray_controller.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/system/tray/tray_details_view.h"
-#include "ash/common/system/tray/tray_item_more.h"
-#include "ash/common/system/tray/tray_popup_item_style.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/grit/ash_resources.h"
-#include "ash/resources/vector_icons/vector_icons.h"
-#include "ash/strings/grit/ash_strings.h"
-#include "base/strings/utf_string_conversions.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/gfx/color_palette.h"
-#include "ui/gfx/image/image.h"
-#include "ui/gfx/paint_vector_icon.h"
-#include "ui/gfx/vector_icons_public.h"
-#include "ui/views/controls/button/custom_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/widget/widget.h"
-
-namespace ash {
-namespace {
-
-enum AccessibilityState {
-  A11Y_NONE = 0,
-  A11Y_SPOKEN_FEEDBACK = 1 << 0,
-  A11Y_HIGH_CONTRAST = 1 << 1,
-  A11Y_SCREEN_MAGNIFIER = 1 << 2,
-  A11Y_LARGE_CURSOR = 1 << 3,
-  A11Y_AUTOCLICK = 1 << 4,
-  A11Y_VIRTUAL_KEYBOARD = 1 << 5,
-  A11Y_BRAILLE_DISPLAY_CONNECTED = 1 << 6,
-};
-
-uint32_t GetAccessibilityState() {
-  AccessibilityDelegate* delegate = WmShell::Get()->accessibility_delegate();
-  uint32_t state = A11Y_NONE;
-  if (delegate->IsSpokenFeedbackEnabled())
-    state |= A11Y_SPOKEN_FEEDBACK;
-  if (delegate->IsHighContrastEnabled())
-    state |= A11Y_HIGH_CONTRAST;
-  if (delegate->IsMagnifierEnabled())
-    state |= A11Y_SCREEN_MAGNIFIER;
-  if (delegate->IsLargeCursorEnabled())
-    state |= A11Y_LARGE_CURSOR;
-  if (delegate->IsAutoclickEnabled())
-    state |= A11Y_AUTOCLICK;
-  if (delegate->IsVirtualKeyboardEnabled())
-    state |= A11Y_VIRTUAL_KEYBOARD;
-  if (delegate->IsBrailleDisplayConnected())
-    state |= A11Y_BRAILLE_DISPLAY_CONNECTED;
-  return state;
-}
-
-LoginStatus GetCurrentLoginStatus() {
-  return WmShell::Get()->system_tray_delegate()->GetUserLoginStatus();
-}
-
-}  // namespace
-
-namespace tray {
-
-class DefaultAccessibilityView : public TrayItemMore {
- public:
-  explicit DefaultAccessibilityView(SystemTrayItem* owner)
-      : TrayItemMore(owner) {
-    base::string16 label =
-        l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_ACCESSIBILITY);
-    SetLabel(label);
-    SetAccessibleName(label);
-    set_id(test::kAccessibilityTrayItemViewId);
-  }
-
-  ~DefaultAccessibilityView() override {}
-
- protected:
-  // TrayItemMore:
-  void UpdateStyle() override {
-    TrayItemMore::UpdateStyle();
-    std::unique_ptr<TrayPopupItemStyle> style = CreateStyle();
-    SetImage(gfx::CreateVectorIcon(kSystemMenuAccessibilityIcon,
-                                   style->GetIconColor()));
-  }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(DefaultAccessibilityView);
-};
-
-////////////////////////////////////////////////////////////////////////////////
-// ash::tray::AccessibilityPopupView
-
-AccessibilityPopupView::AccessibilityPopupView(uint32_t enabled_state_bits)
-    : TrayNotificationView(IDR_AURA_UBER_TRAY_ACCESSIBILITY_DARK),
-      label_(CreateLabel(enabled_state_bits)) {
-  InitView(label_);
-}
-
-views::Label* AccessibilityPopupView::CreateLabel(uint32_t enabled_state_bits) {
-  DCHECK((enabled_state_bits &
-          (A11Y_SPOKEN_FEEDBACK | A11Y_BRAILLE_DISPLAY_CONNECTED)) != 0);
-  base::string16 text;
-  if (enabled_state_bits & A11Y_BRAILLE_DISPLAY_CONNECTED) {
-    text.append(l10n_util::GetStringUTF16(
-        IDS_ASH_STATUS_TRAY_BRAILLE_DISPLAY_CONNECTED_BUBBLE));
-  }
-  if (enabled_state_bits & A11Y_SPOKEN_FEEDBACK) {
-    if (!text.empty())
-      text.append(base::ASCIIToUTF16(" "));
-    text.append(l10n_util::GetStringUTF16(
-        IDS_ASH_STATUS_TRAY_SPOKEN_FEEDBACK_ENABLED_BUBBLE));
-  }
-  views::Label* label = new views::Label(text);
-  label->SetMultiLine(true);
-  label->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-  return label;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// ash::tray::AccessibilityDetailedView
-
-AccessibilityDetailedView::AccessibilityDetailedView(SystemTrayItem* owner,
-                                                     LoginStatus login)
-    : TrayDetailsView(owner),
-      spoken_feedback_view_(nullptr),
-      high_contrast_view_(nullptr),
-      screen_magnifier_view_(nullptr),
-      large_cursor_view_(nullptr),
-      help_view_(nullptr),
-      settings_view_(nullptr),
-      autoclick_view_(nullptr),
-      virtual_keyboard_view_(nullptr),
-      spoken_feedback_enabled_(false),
-      high_contrast_enabled_(false),
-      screen_magnifier_enabled_(false),
-      large_cursor_enabled_(false),
-      autoclick_enabled_(false),
-      virtual_keyboard_enabled_(false),
-      login_(login) {
-  Reset();
-  AppendAccessibilityList();
-  CreateTitleRow(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_TITLE);
-  Layout();
-}
-
-void AccessibilityDetailedView::AppendAccessibilityList() {
-  CreateScrollableList();
-  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-
-  AccessibilityDelegate* delegate = WmShell::Get()->accessibility_delegate();
-  spoken_feedback_enabled_ = delegate->IsSpokenFeedbackEnabled();
-  spoken_feedback_view_ =
-      AddScrollListItem(bundle.GetLocalizedString(
-                            IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SPOKEN_FEEDBACK),
-                        spoken_feedback_enabled_, spoken_feedback_enabled_,
-                        kSystemMenuAccessibilityChromevoxIcon);
-
-  // Large Cursor item is shown only in Login screen.
-  if (login_ == LoginStatus::NOT_LOGGED_IN) {
-    large_cursor_enabled_ = delegate->IsLargeCursorEnabled();
-    large_cursor_view_ =
-        AddScrollListItem(bundle.GetLocalizedString(
-                              IDS_ASH_STATUS_TRAY_ACCESSIBILITY_LARGE_CURSOR),
-                          large_cursor_enabled_, large_cursor_enabled_,
-                          kSystemMenuAccessibilityLargeCursorIcon);
-  }
-
-  high_contrast_enabled_ = delegate->IsHighContrastEnabled();
-  high_contrast_view_ = AddScrollListItem(
-      bundle.GetLocalizedString(
-          IDS_ASH_STATUS_TRAY_ACCESSIBILITY_HIGH_CONTRAST_MODE),
-      high_contrast_enabled_, high_contrast_enabled_,
-      kSystemMenuAccessibilityContrastIcon);
-  screen_magnifier_enabled_ = delegate->IsMagnifierEnabled();
-  screen_magnifier_view_ =
-      AddScrollListItem(bundle.GetLocalizedString(
-                            IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SCREEN_MAGNIFIER),
-                        screen_magnifier_enabled_, screen_magnifier_enabled_,
-                        kSystemMenuAccessibilityScreenMagnifierIcon);
-
-  // Don't show autoclick option at login screen.
-  if (login_ != LoginStatus::NOT_LOGGED_IN) {
-    autoclick_enabled_ = delegate->IsAutoclickEnabled();
-    autoclick_view_ = AddScrollListItem(
-        bundle.GetLocalizedString(IDS_ASH_STATUS_TRAY_ACCESSIBILITY_AUTOCLICK),
-        autoclick_enabled_, autoclick_enabled_,
-        kSystemMenuAccessibilityAutoClickIcon);
-  }
-
-  virtual_keyboard_enabled_ = delegate->IsVirtualKeyboardEnabled();
-  virtual_keyboard_view_ =
-      AddScrollListItem(bundle.GetLocalizedString(
-                            IDS_ASH_STATUS_TRAY_ACCESSIBILITY_VIRTUAL_KEYBOARD),
-                        virtual_keyboard_enabled_, virtual_keyboard_enabled_,
-                        kSystemMenuKeyboardIcon);
-}
-
-HoverHighlightView* AccessibilityDetailedView::AddScrollListItem(
-    const base::string16& text,
-    bool highlight,
-    bool checked,
-    const gfx::VectorIcon& icon) {
-  HoverHighlightView* container = new HoverHighlightView(this);
-  gfx::ImageSkia image = CreateVectorIcon(icon, kMenuIconColor);
-  const int padding = (kMenuButtonSize - image.width()) / 2;
-  container->AddIconAndLabelCustomSize(
-      image, text, highlight, image.width() + kMenuSeparatorVerticalPadding * 2,
-      padding, padding);
-
-  if (checked) {
-    gfx::ImageSkia check_mark =
-        CreateVectorIcon(gfx::VectorIconId::CHECK_CIRCLE, gfx::kGoogleGreen700);
-    container->AddRightIcon(check_mark, check_mark.width());
-    container->SetRightViewVisible(true);
-    container->SetAccessiblityState(
-        HoverHighlightView::AccessibilityState::CHECKED_CHECKBOX);
-  } else {
-    container->SetAccessiblityState(
-        HoverHighlightView::AccessibilityState::UNCHECKED_CHECKBOX);
-  }
-
-  scroll_content()->AddChildView(container);
-  return container;
-}
-
-void AccessibilityDetailedView::HandleViewClicked(views::View* view) {
-  AccessibilityDelegate* delegate = WmShell::Get()->accessibility_delegate();
-  UserMetricsAction user_action;
-  if (view == spoken_feedback_view_) {
-    user_action = delegate->IsSpokenFeedbackEnabled()
-                      ? ash::UMA_STATUS_AREA_DISABLE_SPOKEN_FEEDBACK
-                      : ash::UMA_STATUS_AREA_ENABLE_SPOKEN_FEEDBACK;
-    delegate->ToggleSpokenFeedback(A11Y_NOTIFICATION_NONE);
-  } else if (view == high_contrast_view_) {
-    user_action = delegate->IsHighContrastEnabled()
-                      ? ash::UMA_STATUS_AREA_DISABLE_HIGH_CONTRAST
-                      : ash::UMA_STATUS_AREA_ENABLE_HIGH_CONTRAST;
-    delegate->ToggleHighContrast();
-  } else if (view == screen_magnifier_view_) {
-    user_action = delegate->IsMagnifierEnabled()
-                      ? ash::UMA_STATUS_AREA_DISABLE_MAGNIFIER
-                      : ash::UMA_STATUS_AREA_ENABLE_MAGNIFIER;
-    delegate->SetMagnifierEnabled(!delegate->IsMagnifierEnabled());
-  } else if (large_cursor_view_ && view == large_cursor_view_) {
-    user_action = delegate->IsLargeCursorEnabled()
-                      ? ash::UMA_STATUS_AREA_DISABLE_LARGE_CURSOR
-                      : ash::UMA_STATUS_AREA_ENABLE_LARGE_CURSOR;
-    delegate->SetLargeCursorEnabled(!delegate->IsLargeCursorEnabled());
-  } else if (autoclick_view_ && view == autoclick_view_) {
-    user_action = delegate->IsAutoclickEnabled()
-                      ? ash::UMA_STATUS_AREA_DISABLE_AUTO_CLICK
-                      : ash::UMA_STATUS_AREA_ENABLE_AUTO_CLICK;
-    delegate->SetAutoclickEnabled(!delegate->IsAutoclickEnabled());
-  } else if (virtual_keyboard_view_ && view == virtual_keyboard_view_) {
-    user_action = delegate->IsVirtualKeyboardEnabled()
-                      ? ash::UMA_STATUS_AREA_DISABLE_VIRTUAL_KEYBOARD
-                      : ash::UMA_STATUS_AREA_ENABLE_VIRTUAL_KEYBOARD;
-    delegate->SetVirtualKeyboardEnabled(!delegate->IsVirtualKeyboardEnabled());
-  } else {
-    return;
-  }
-  WmShell::Get()->RecordUserMetricsAction(user_action);
-}
-
-void AccessibilityDetailedView::HandleButtonPressed(views::Button* sender,
-                                                    const ui::Event& event) {
-  if (sender == help_view_)
-    ShowHelp();
-  else if (sender == settings_view_)
-    ShowSettings();
-}
-
-void AccessibilityDetailedView::CreateExtraTitleRowButtons() {
-  DCHECK(!help_view_);
-  DCHECK(!settings_view_);
-
-  tri_view()->SetContainerVisible(TriView::Container::END, true);
-
-  help_view_ = CreateHelpButton(login_);
-  settings_view_ =
-      CreateSettingsButton(login_, IDS_ASH_STATUS_TRAY_ACCESSIBILITY_SETTINGS);
-  tri_view()->AddView(TriView::Container::END, help_view_);
-  tri_view()->AddView(TriView::Container::END, settings_view_);
-}
-
-void AccessibilityDetailedView::ShowSettings() {
-  if (TrayPopupUtils::CanOpenWebUISettings(login_)) {
-    WmShell::Get()->system_tray_controller()->ShowAccessibilitySettings();
-    owner()->system_tray()->CloseSystemBubble();
-  }
-}
-
-void AccessibilityDetailedView::ShowHelp() {
-  if (TrayPopupUtils::CanOpenWebUISettings(login_)) {
-    WmShell::Get()->system_tray_controller()->ShowAccessibilityHelp();
-    owner()->system_tray()->CloseSystemBubble();
-  }
-}
-
-}  // namespace tray
-
-////////////////////////////////////////////////////////////////////////////////
-// ash::TrayAccessibility
-
-TrayAccessibility::TrayAccessibility(SystemTray* system_tray)
-    : TrayImageItem(system_tray,
-                    kSystemTrayAccessibilityIcon,
-                    UMA_ACCESSIBILITY),
-      default_(NULL),
-      detailed_popup_(NULL),
-      detailed_menu_(NULL),
-      request_popup_view_state_(A11Y_NONE),
-      tray_icon_visible_(false),
-      login_(GetCurrentLoginStatus()),
-      previous_accessibility_state_(GetAccessibilityState()),
-      show_a11y_menu_on_lock_screen_(true) {
-  DCHECK(system_tray);
-  WmShell::Get()->system_tray_notifier()->AddAccessibilityObserver(this);
-}
-
-TrayAccessibility::~TrayAccessibility() {
-  WmShell::Get()->system_tray_notifier()->RemoveAccessibilityObserver(this);
-}
-
-void TrayAccessibility::SetTrayIconVisible(bool visible) {
-  if (tray_view())
-    tray_view()->SetVisible(visible);
-  tray_icon_visible_ = visible;
-}
-
-tray::AccessibilityDetailedView* TrayAccessibility::CreateDetailedMenu() {
-  return new tray::AccessibilityDetailedView(this, login_);
-}
-
-bool TrayAccessibility::GetInitialVisibility() {
-  // Shows accessibility icon if any accessibility feature is enabled.
-  // Otherwise, doen't show it.
-  return GetAccessibilityState() != A11Y_NONE;
-}
-
-views::View* TrayAccessibility::CreateDefaultView(LoginStatus status) {
-  CHECK(default_ == NULL);
-
-  // Shows accessibility menu if:
-  // - on login screen (not logged in);
-  // - "Enable accessibility menu" on chrome://settings is checked;
-  // - or any of accessibility features is enabled
-  // Otherwise, not shows it.
-  AccessibilityDelegate* delegate = WmShell::Get()->accessibility_delegate();
-  if (login_ != LoginStatus::NOT_LOGGED_IN &&
-      !delegate->ShouldShowAccessibilityMenu() &&
-      // On login screen, keeps the initial visibility of the menu.
-      (status != LoginStatus::LOCKED || !show_a11y_menu_on_lock_screen_))
-    return NULL;
-
-  CHECK(default_ == NULL);
-  default_ = new tray::DefaultAccessibilityView(this);
-
-  return default_;
-}
-
-views::View* TrayAccessibility::CreateDetailedView(LoginStatus status) {
-  CHECK(detailed_popup_ == NULL);
-  CHECK(detailed_menu_ == NULL);
-
-  if (request_popup_view_state_) {
-    detailed_popup_ =
-        new tray::AccessibilityPopupView(request_popup_view_state_);
-    request_popup_view_state_ = A11Y_NONE;
-    return detailed_popup_;
-  } else {
-    WmShell::Get()->RecordUserMetricsAction(
-        ash::UMA_STATUS_AREA_DETAILED_ACCESSABILITY);
-    detailed_menu_ = CreateDetailedMenu();
-    return detailed_menu_;
-  }
-}
-
-void TrayAccessibility::DestroyDefaultView() {
-  default_ = NULL;
-}
-
-void TrayAccessibility::DestroyDetailedView() {
-  detailed_popup_ = NULL;
-  detailed_menu_ = NULL;
-}
-
-void TrayAccessibility::UpdateAfterLoginStatusChange(LoginStatus status) {
-  // Stores the a11y feature status on just entering the lock screen.
-  if (login_ != LoginStatus::LOCKED && status == LoginStatus::LOCKED)
-    show_a11y_menu_on_lock_screen_ = (GetAccessibilityState() != A11Y_NONE);
-
-  login_ = status;
-  SetTrayIconVisible(GetInitialVisibility());
-}
-
-void TrayAccessibility::OnAccessibilityModeChanged(
-    AccessibilityNotificationVisibility notify) {
-  SetTrayIconVisible(GetInitialVisibility());
-
-  uint32_t accessibility_state = GetAccessibilityState();
-  // We'll get an extra notification if a braille display is connected when
-  // spoken feedback wasn't already enabled.  This is because the braille
-  // connection state is already updated when spoken feedback is enabled so
-  // that the notifications can be consolidated into one.  Therefore, we
-  // return early if there's no change in the state that we keep track of.
-  if (accessibility_state == previous_accessibility_state_)
-    return;
-  // Contains bits for spoken feedback and braille display connected currently
-  // being enabled.
-  uint32_t being_enabled =
-      (accessibility_state & ~previous_accessibility_state_) &
-      (A11Y_SPOKEN_FEEDBACK | A11Y_BRAILLE_DISPLAY_CONNECTED);
-  if ((notify == A11Y_NOTIFICATION_SHOW) && being_enabled != A11Y_NONE) {
-    // Shows popup if |notify| is true and the spoken feedback is being enabled.
-    request_popup_view_state_ = being_enabled;
-    PopupDetailedView(kTrayPopupAutoCloseDelayForTextInSeconds, false);
-  } else {
-    if (detailed_popup_)
-      detailed_popup_->GetWidget()->Close();
-    if (detailed_menu_)
-      detailed_menu_->GetWidget()->Close();
-  }
-
-  previous_accessibility_state_ = accessibility_state;
-}
-
-}  // namespace ash