Remove the system menu display settings row

ash/system/chromeos/tray_display.cc

-// 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/system/chromeos/tray_display.h"
-
-#include <memory>
-#include <utility>
-#include <vector>
-
-#include "ash/common/metrics/user_metrics_action.h"
-#include "ash/common/system/chromeos/devicetype_utils.h"
-#include "ash/common/system/system_notifier.h"
-#include "ash/common/system/tray/actionable_view.h"
-#include "ash/common/system/tray/fixed_sized_image_view.h"
-#include "ash/common/system/tray/system_tray.h"
-#include "ash/common/system/tray/system_tray_delegate.h"
-#include "ash/common/system/tray/tray_constants.h"
-#include "ash/common/system/tray/tray_notification_view.h"
-#include "ash/common/wm_shell.h"
-#include "ash/display/display_manager.h"
-#include "ash/display/screen_orientation_controller_chromeos.h"
-#include "ash/shell.h"
-#include "base/bind.h"
-#include "base/strings/string_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "grit/ash_resources.h"
-#include "grit/ash_strings.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/base/resource/resource_bundle.h"
-#include "ui/display/display.h"
-#include "ui/message_center/message_center.h"
-#include "ui/message_center/notification.h"
-#include "ui/message_center/notification_delegate.h"
-#include "ui/views/controls/image_view.h"
-#include "ui/views/controls/label.h"
-#include "ui/views/layout/box_layout.h"
-
-using message_center::Notification;
-
-namespace ash {
-namespace {
-
-DisplayManager* GetDisplayManager() {
-  return Shell::GetInstance()->display_manager();
-}
-
-base::string16 GetDisplayName(int64_t display_id) {
-  return base::UTF8ToUTF16(
-      GetDisplayManager()->GetDisplayNameForId(display_id));
-}
-
-base::string16 GetDisplaySize(int64_t display_id) {
-  DisplayManager* display_manager = GetDisplayManager();
-
-  const display::Display* display =
-      &display_manager->GetDisplayForId(display_id);
-
-  // We don't show display size for mirrored display. Fallback
-  // to empty string if this happens on release build.
-  bool mirroring = display_manager->mirroring_display_id() == display_id;
-  DCHECK(!mirroring);
-  if (mirroring)
-    return base::string16();
-
-  DCHECK(display->is_valid());
-  return base::UTF8ToUTF16(display->size().ToString());
-}
-
-// Returns 1-line information for the specified display, like
-// "InternalDisplay: 1280x750"
-base::string16 GetDisplayInfoLine(int64_t display_id) {
-  const DisplayInfo& display_info =
-      GetDisplayManager()->GetDisplayInfo(display_id);
-  if (GetDisplayManager()->mirroring_display_id() == display_id)
-    return GetDisplayName(display_id);
-
-  base::string16 size_text = GetDisplaySize(display_id);
-  base::string16 display_data;
-  if (display_info.has_overscan()) {
-    display_data = l10n_util::GetStringFUTF16(
-        IDS_ASH_STATUS_TRAY_DISPLAY_ANNOTATION, size_text,
-        l10n_util::GetStringUTF16(
-            IDS_ASH_STATUS_TRAY_DISPLAY_ANNOTATION_OVERSCAN));
-  } else {
-    display_data = size_text;
-  }
-
-  return l10n_util::GetStringFUTF16(IDS_ASH_STATUS_TRAY_DISPLAY_SINGLE_DISPLAY,
-                                    GetDisplayName(display_id), display_data);
-}
-
-base::string16 GetAllDisplayInfo() {
-  DisplayManager* display_manager = GetDisplayManager();
-  std::vector<base::string16> lines;
-  int64_t internal_id = display::Display::kInvalidDisplayID;
-  // Make sure to show the internal display first.
-  if (!display_manager->IsInUnifiedMode() &&
-      display::Display::IsInternalDisplayId(
-          display_manager->first_display_id())) {
-    internal_id = display_manager->first_display_id();
-    lines.push_back(GetDisplayInfoLine(internal_id));
-  }
-
-  for (size_t i = 0; i < display_manager->GetNumDisplays(); ++i) {
-    int64_t id = display_manager->GetDisplayAt(i).id();
-    if (id == internal_id)
-      continue;
-    lines.push_back(GetDisplayInfoLine(id));
-  }
-
-  return base::JoinString(lines, base::ASCIIToUTF16("\n"));
-}
-
-// Attempts to open the display settings, returns true if successful.
-bool OpenSettings() {
-  // switch is intentionally introduced without default, to cause an error when
-  // a new type of login status is introduced.
-  switch (WmShell::Get()->system_tray_delegate()->GetUserLoginStatus()) {
-    case LoginStatus::NOT_LOGGED_IN:
-    case LoginStatus::LOCKED:
-      return false;
-
-    case LoginStatus::USER:
-    case LoginStatus::OWNER:
-    case LoginStatus::GUEST:
-    case LoginStatus::PUBLIC:
-    case LoginStatus::SUPERVISED:
-    case LoginStatus::KIOSK_APP:
-      SystemTrayDelegate* delegate = WmShell::Get()->system_tray_delegate();
-      if (delegate->ShouldShowSettings()) {
-        delegate->ShowDisplaySettings();
-        return true;
-      }
-  }
-
-  return false;
-}
-
-// Callback to handle a user selecting the notification view.
-void OpenSettingsFromNotification() {
-  WmShell::Get()->RecordUserMetricsAction(
-      UMA_STATUS_AREA_DISPLAY_NOTIFICATION_SELECTED);
-  if (OpenSettings()) {
-    WmShell::Get()->RecordUserMetricsAction(
-        UMA_STATUS_AREA_DISPLAY_NOTIFICATION_SHOW_SETTINGS);
-  }
-}
-
-}  // namespace
-
-const char TrayDisplay::kNotificationId[] = "chrome://settings/display";
-
-class DisplayView : public ActionableView {
- public:
-  explicit DisplayView() {
-    SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
-                                          kTrayPopupPaddingHorizontal, 0,
-                                          kTrayPopupPaddingBetweenItems));
-
-    ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-    image_ =
-        new FixedSizedImageView(0, GetTrayConstant(TRAY_POPUP_ITEM_HEIGHT));
-    image_->SetImage(
-        bundle.GetImageNamed(IDR_AURA_UBER_TRAY_DISPLAY).ToImageSkia());

[tdanderson, 2016/08/08 21:15:57]

Don't forget to also remove this ID from ash_resources.grd and to delete the
png(s) it points to.

[yiyix, 2016/08/13 05:28:50]

Thank you, I totally forget to remove resources.

-    AddChildView(image_);
-
-    label_ = new views::Label();
-    label_->SetMultiLine(true);
-    label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
-    AddChildView(label_);
-    Update();
-  }
-
-  ~DisplayView() override {}
-
-  void Update() {
-    base::string16 message = GetTrayDisplayMessage(NULL);
-    if (message.empty() && ShouldShowFirstDisplayInfo())
-      message = GetDisplayInfoLine(GetDisplayManager()->first_display_id());
-    SetVisible(!message.empty());
-    label_->SetText(message);
-    SetAccessibleName(message);
-    Layout();
-  }
-
-  const views::Label* label() const { return label_; }
-
-  // Overridden from views::View.
-  bool GetTooltipText(const gfx::Point& p,
-                      base::string16* tooltip) const override {
-    base::string16 tray_message = GetTrayDisplayMessage(NULL);
-    base::string16 display_message = GetAllDisplayInfo();
-    if (tray_message.empty() && display_message.empty())
-      return false;
-
-    *tooltip = tray_message + base::ASCIIToUTF16("\n") + display_message;
-    return true;
-  }
-
-  // Returns the name of the currently connected external display.
-  // This should not be used when the external display is used for
-  // mirroring.
-  static base::string16 GetExternalDisplayName() {
-    DisplayManager* display_manager = GetDisplayManager();
-    DCHECK(!display_manager->IsInMirrorMode());
-
-    int64_t external_id = display::Display::kInvalidDisplayID;
-    for (size_t i = 0; i < display_manager->GetNumDisplays(); ++i) {
-      int64_t id = display_manager->GetDisplayAt(i).id();
-      if (!display::Display::IsInternalDisplayId(id)) {
-        external_id = id;
-        break;
-      }
-    }
-
-    if (external_id == display::Display::kInvalidDisplayID) {
-      return l10n_util::GetStringUTF16(
-          IDS_ASH_STATUS_TRAY_UNKNOWN_DISPLAY_NAME);
-    }
-
-    // The external display name may have an annotation of "(width x height)" in
-    // case that the display is rotated or its resolution is changed.
-    base::string16 name = GetDisplayName(external_id);
-    const DisplayInfo& display_info =
-        display_manager->GetDisplayInfo(external_id);
-    if (display_info.GetActiveRotation() != display::Display::ROTATE_0 ||
-        display_info.configured_ui_scale() != 1.0f ||
-        !display_info.overscan_insets_in_dip().IsEmpty()) {
-      name =
-          l10n_util::GetStringFUTF16(IDS_ASH_STATUS_TRAY_DISPLAY_ANNOTATED_NAME,
-                                     name, GetDisplaySize(external_id));
-    } else if (display_info.overscan_insets_in_dip().IsEmpty() &&
-               display_info.has_overscan()) {
-      name = l10n_util::GetStringFUTF16(
-          IDS_ASH_STATUS_TRAY_DISPLAY_ANNOTATED_NAME, name,
-          l10n_util::GetStringUTF16(
-              IDS_ASH_STATUS_TRAY_DISPLAY_ANNOTATION_OVERSCAN));
-    }
-
-    return name;
-  }
-
-  static base::string16 GetTrayDisplayMessage(
-      base::string16* additional_message_out) {
-    DisplayManager* display_manager = GetDisplayManager();
-    if (display_manager->GetNumDisplays() > 1) {
-      if (display::Display::HasInternalDisplay()) {
-        return l10n_util::GetStringFUTF16(IDS_ASH_STATUS_TRAY_DISPLAY_EXTENDED,
-                                          GetExternalDisplayName());
-      }
-      return l10n_util::GetStringUTF16(
-          IDS_ASH_STATUS_TRAY_DISPLAY_EXTENDED_NO_INTERNAL);
-    }
-
-    if (display_manager->IsInMirrorMode()) {
-      if (display::Display::HasInternalDisplay()) {
-        return l10n_util::GetStringFUTF16(
-            IDS_ASH_STATUS_TRAY_DISPLAY_MIRRORING,
-            GetDisplayName(display_manager->mirroring_display_id()));
-      }
-      return l10n_util::GetStringUTF16(
-          IDS_ASH_STATUS_TRAY_DISPLAY_MIRRORING_NO_INTERNAL);
-    }
-
-    if (display_manager->IsInUnifiedMode())
-      return l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_DISPLAY_UNIFIED);
-
-    int64_t primary_id = display::Screen::GetScreen()->GetPrimaryDisplay().id();
-    if (display::Display::HasInternalDisplay() &&
-        !(display::Display::IsInternalDisplayId(primary_id))) {
-      if (additional_message_out) {
-        *additional_message_out = ash::SubstituteChromeOSDeviceType(
-            IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED_DESCRIPTION);
-      }
-      return l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_DISPLAY_DOCKED);
-    }
-
-    return base::string16();
-  }
-
- private:
-  bool ShouldShowFirstDisplayInfo() const {
-    const int64_t first_display_id = GetDisplayManager()->first_display_id();
-
-    const DisplayInfo& display_info =
-        GetDisplayManager()->GetDisplayInfo(first_display_id);
-    return (display_info.GetActiveRotation() != display::Display::ROTATE_0 &&
-            (display_info.active_rotation_source() !=
-                 display::Display::ROTATION_SOURCE_ACCELEROMETER ||
-             !display::Display::IsInternalDisplayId(first_display_id))) ||
-           display_info.configured_ui_scale() != 1.0f ||
-           !display_info.overscan_insets_in_dip().IsEmpty() ||
-           display_info.has_overscan();
-  }
-
-  // Overridden from ActionableView.
-  bool PerformAction(const ui::Event& event) override {
-    WmShell::Get()->RecordUserMetricsAction(
-        UMA_STATUS_AREA_DISPLAY_DEFAULT_SELECTED);
-    if (OpenSettings()) {
-      WmShell::Get()->RecordUserMetricsAction(
-          UMA_STATUS_AREA_DISPLAY_DEFAULT_SHOW_SETTINGS);
-    }
-    return true;
-  }
-
-  void OnBoundsChanged(const gfx::Rect& previous_bounds) override {
-    int label_max_width = bounds().width() - kTrayPopupPaddingHorizontal * 2 -
-                          kTrayPopupPaddingBetweenItems -
-                          image_->GetPreferredSize().width();
-    label_->SizeToFit(label_max_width);
-  }
-
-  views::ImageView* image_;
-  views::Label* label_;
-
-  DISALLOW_COPY_AND_ASSIGN(DisplayView);
-};
-
-TrayDisplay::TrayDisplay(SystemTray* system_tray)
-    : SystemTrayItem(system_tray, UMA_DISPLAY), default_(nullptr) {
-  WmShell::Get()->AddDisplayObserver(this);
-  UpdateDisplayInfo(NULL);
-}
-
-TrayDisplay::~TrayDisplay() {
-  WmShell::Get()->RemoveDisplayObserver(this);
-}
-
-void TrayDisplay::UpdateDisplayInfo(TrayDisplay::DisplayInfoMap* old_info) {
-  if (old_info)
-    old_info->swap(display_info_);
-  display_info_.clear();
-
-  DisplayManager* display_manager = GetDisplayManager();
-  for (size_t i = 0; i < display_manager->GetNumDisplays(); ++i) {
-    int64_t id = display_manager->GetDisplayAt(i).id();
-    display_info_[id] = display_manager->GetDisplayInfo(id);
-  }
-}
-
-bool TrayDisplay::GetDisplayMessageForNotification(
-    const TrayDisplay::DisplayInfoMap& old_info,
-    base::string16* message_out,
-    base::string16* additional_message_out) {
-  // Display is added or removed. Use the same message as the one in
-  // the system tray.
-  if (display_info_.size() != old_info.size()) {
-    *message_out = DisplayView::GetTrayDisplayMessage(additional_message_out);
-    return true;
-  }
-
-  for (DisplayInfoMap::const_iterator iter = display_info_.begin();
-       iter != display_info_.end(); ++iter) {
-    DisplayInfoMap::const_iterator old_iter = old_info.find(iter->first);
-    // The display's number is same but different displays. This happens
-    // for the transition between docked mode and mirrored display. Falls back
-    // to GetTrayDisplayMessage().
-    if (old_iter == old_info.end()) {
-      *message_out = DisplayView::GetTrayDisplayMessage(additional_message_out);
-      return true;
-    }
-
-    if (iter->second.configured_ui_scale() !=
-        old_iter->second.configured_ui_scale()) {
-      *additional_message_out = l10n_util::GetStringFUTF16(
-          IDS_ASH_STATUS_TRAY_DISPLAY_RESOLUTION_CHANGED,
-          GetDisplayName(iter->first), GetDisplaySize(iter->first));
-      return true;
-    }
-    if (iter->second.GetActiveRotation() !=
-        old_iter->second.GetActiveRotation()) {
-      int rotation_text_id = 0;
-      switch (iter->second.GetActiveRotation()) {
-        case display::Display::ROTATE_0:
-          rotation_text_id = IDS_ASH_STATUS_TRAY_DISPLAY_STANDARD_ORIENTATION;
-          break;
-        case display::Display::ROTATE_90:
-          rotation_text_id = IDS_ASH_STATUS_TRAY_DISPLAY_ORIENTATION_90;
-          break;
-        case display::Display::ROTATE_180:
-          rotation_text_id = IDS_ASH_STATUS_TRAY_DISPLAY_ORIENTATION_180;
-          break;
-        case display::Display::ROTATE_270:
-          rotation_text_id = IDS_ASH_STATUS_TRAY_DISPLAY_ORIENTATION_270;
-          break;
-      }
-      *additional_message_out = l10n_util::GetStringFUTF16(
-          IDS_ASH_STATUS_TRAY_DISPLAY_ROTATED, GetDisplayName(iter->first),
-          l10n_util::GetStringUTF16(rotation_text_id));
-      return true;
-    }
-  }
-
-  // Found nothing special
-  return false;
-}
-
-void TrayDisplay::CreateOrUpdateNotification(
-    const base::string16& message,
-    const base::string16& additional_message) {
-  // Always remove the notification to make sure the notification appears
-  // as a popup in any situation.
-  message_center::MessageCenter::Get()->RemoveNotification(kNotificationId,
-                                                           false /* by_user */);
-
-  if (message.empty() && additional_message.empty())
-    return;
-
-  // Don't display notifications for accelerometer triggered screen rotations.
-  // See http://crbug.com/364949
-  if (Shell::GetInstance()
-          ->screen_orientation_controller()
-          ->ignore_display_configuration_updates()) {
-    return;
-  }
-
-  ui::ResourceBundle& bundle = ui::ResourceBundle::GetSharedInstance();
-  std::unique_ptr<Notification> notification(new Notification(
-      message_center::NOTIFICATION_TYPE_SIMPLE, kNotificationId, message,
-      additional_message, bundle.GetImageNamed(IDR_AURA_NOTIFICATION_DISPLAY),
-      base::string16(),  // display_source
-      GURL(),
-      message_center::NotifierId(message_center::NotifierId::SYSTEM_COMPONENT,
-                                 system_notifier::kNotifierDisplay),
-      message_center::RichNotificationData(),
-      new message_center::HandleNotificationClickedDelegate(
-          base::Bind(&OpenSettingsFromNotification))));
-
-  WmShell::Get()->RecordUserMetricsAction(
-      UMA_STATUS_AREA_DISPLAY_NOTIFICATION_CREATED);
-  message_center::MessageCenter::Get()->AddNotification(
-      std::move(notification));
-}
-
-views::View* TrayDisplay::CreateDefaultView(LoginStatus status) {
-  DCHECK(default_ == NULL);
-  default_ = new DisplayView();
-  return default_;
-}
-
-void TrayDisplay::DestroyDefaultView() {
-  default_ = NULL;
-}
-
-void TrayDisplay::OnDisplayConfigurationChanged() {
-  DisplayInfoMap old_info;
-  UpdateDisplayInfo(&old_info);
-
-  if (default_)
-    default_->Update();
-
-  if (!WmShell::Get()
-           ->system_tray_delegate()
-           ->ShouldShowDisplayNotification()) {
-    return;
-  }
-
-  base::string16 message;
-  base::string16 additional_message;
-  if (GetDisplayMessageForNotification(old_info, &message, &additional_message))
-    CreateOrUpdateNotification(message, additional_message);
-}
-
-base::string16 TrayDisplay::GetDefaultViewMessage() const {
-  if (!default_ || !default_->visible())
-    return base::string16();
-
-  return static_cast<DisplayView*>(default_)->label()->text();
-}
-
-bool TrayDisplay::GetAccessibleStateForTesting(ui::AXViewState* state) {
-  views::View* view = default_;
-  if (view) {
-    view->GetAccessibleState(state);
-    return true;
-  }
-  return false;
-}
-
-}  // namespace ash