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- // Copyright 2017 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/shelf/login_shelf_view.h"
- #include <algorithm>
- #include <memory>
- #include <string>
- #include <utility>
- #include "ash/constants/ash_features.h"
- #include "ash/constants/ash_switches.h"
- #include "ash/focus_cycler.h"
- #include "ash/keyboard/ui/keyboard_ui_controller.h"
- #include "ash/lock_screen_action/lock_screen_action_background_state.h"
- #include "ash/login/login_screen_controller.h"
- #include "ash/login/ui/lock_screen.h"
- #include "ash/metrics/login_metrics_recorder.h"
- #include "ash/metrics/user_metrics_recorder.h"
- #include "ash/public/cpp/login_accelerators.h"
- #include "ash/public/cpp/login_types.h"
- #include "ash/public/cpp/shelf_config.h"
- #include "ash/resources/vector_icons/vector_icons.h"
- #include "ash/root_window_controller.h"
- #include "ash/session/session_controller_impl.h"
- #include "ash/shelf/kiosk_app_instruction_bubble.h"
- #include "ash/shelf/shelf.h"
- #include "ash/shelf/shelf_shutdown_confirmation_bubble.h"
- #include "ash/shelf/shelf_widget.h"
- #include "ash/shell.h"
- #include "ash/strings/grit/ash_strings.h"
- #include "ash/style/ash_color_provider.h"
- #include "ash/style/default_color_constants.h"
- #include "ash/style/default_colors.h"
- #include "ash/style/pill_button.h"
- #include "ash/style/style_util.h"
- #include "ash/system/model/enterprise_domain_model.h"
- #include "ash/system/model/system_tray_model.h"
- #include "ash/system/status_area_widget.h"
- #include "ash/system/status_area_widget_delegate.h"
- #include "ash/system/tray/system_tray_notifier.h"
- #include "ash/system/tray/tray_background_view.h"
- #include "ash/system/tray/tray_popup_utils.h"
- #include "ash/wm/lock_state_controller.h"
- #include "base/bind.h"
- #include "base/callback_helpers.h"
- #include "base/metrics/user_metrics.h"
- #include "base/sequence_checker.h"
- #include "base/threading/thread_task_runner_handle.h"
- #include "chromeos/strings/grit/chromeos_strings.h"
- #include "chromeos/ui/vector_icons/vector_icons.h"
- #include "skia/ext/image_operations.h"
- #include "ui/accessibility/ax_node_data.h"
- #include "ui/base/l10n/l10n_util.h"
- #include "ui/base/models/image_model.h"
- #include "ui/base/models/menu_model.h"
- #include "ui/base/models/simple_menu_model.h"
- #include "ui/compositor/scoped_layer_animation_settings.h"
- #include "ui/display/manager/display_configurator.h"
- #include "ui/events/types/event_type.h"
- #include "ui/gfx/canvas.h"
- #include "ui/gfx/color_palette.h"
- #include "ui/gfx/geometry/rect.h"
- #include "ui/gfx/geometry/size.h"
- #include "ui/gfx/image/image_skia_operations.h"
- #include "ui/gfx/paint_vector_icon.h"
- #include "ui/gfx/vector_icon_types.h"
- #include "ui/views/accessibility/view_accessibility.h"
- #include "ui/views/animation/ink_drop.h"
- #include "ui/views/animation/ink_drop_impl.h"
- #include "ui/views/animation/ink_drop_mask.h"
- #include "ui/views/controls/button/menu_button.h"
- #include "ui/views/controls/focus_ring.h"
- #include "ui/views/controls/highlight_path_generator.h"
- #include "ui/views/controls/menu/menu_runner.h"
- #include "ui/views/controls/menu/menu_types.h"
- #include "ui/views/focus/focus_search.h"
- #include "ui/views/layout/box_layout.h"
- #include "ui/views/view_class_properties.h"
- #include "ui/views/widget/widget.h"
- using session_manager::SessionState;
- namespace ash {
- namespace {
- const char* kLoginShelfButtonClassName = "LoginShelfButton";
- // Skip only that many to avoid blocking users in case of any subtle bugs.
- const int kMaxDroppedCallsWhenDisplaysOff = 3;
- constexpr LoginShelfView::ButtonId kButtonIds[] = {
- LoginShelfView::kShutdown,
- LoginShelfView::kRestart,
- LoginShelfView::kSignOut,
- LoginShelfView::kCloseNote,
- LoginShelfView::kCancel,
- LoginShelfView::kParentAccess,
- LoginShelfView::kBrowseAsGuest,
- LoginShelfView::kAddUser,
- LoginShelfView::kEnterpriseEnrollment,
- LoginShelfView::kSignIn,
- LoginShelfView::kOsInstall,
- };
- // The color of the button text and icon in light mode. This is
- // the mode used during OOBE, but color mode is under feature flag
- // at the moment so only dark mode is available.
- constexpr SkColor kButtonTextAndIconColorLight = gfx::kGoogleGrey700;
- // TODO(1190978): Remove this check once light mode is the default mode.
- bool IsOobe() {
- return Shell::Get()->session_controller()->GetSessionState() ==
- SessionState::OOBE;
- }
- SkColor GetButtonTextColor() {
- if (IsOobe())
- return kButtonTextAndIconColorLight;
- return AshColorProvider::Get()->GetContentLayerColor(
- AshColorProvider::ContentLayerType::kButtonLabelColor);
- }
- SkColor GetButtonIconColor() {
- if (IsOobe())
- return kButtonTextAndIconColorLight;
- return AshColorProvider::Get()->GetContentLayerColor(
- AshColorProvider::ContentLayerType::kButtonIconColor);
- }
- LoginMetricsRecorder::ShelfButtonClickTarget GetUserClickTarget(int button_id) {
- switch (button_id) {
- case LoginShelfView::kShutdown:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kShutDownButton;
- case LoginShelfView::kRestart:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kRestartButton;
- case LoginShelfView::kSignOut:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kSignOutButton;
- case LoginShelfView::kCloseNote:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kCloseNoteButton;
- case LoginShelfView::kBrowseAsGuest:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kBrowseAsGuestButton;
- case LoginShelfView::kAddUser:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kAddUserButton;
- case LoginShelfView::kCancel:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kCancelButton;
- case LoginShelfView::kParentAccess:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kParentAccessButton;
- case LoginShelfView::kEnterpriseEnrollment:
- return LoginMetricsRecorder::ShelfButtonClickTarget::
- kEnterpriseEnrollmentButton;
- case LoginShelfView::kSignIn:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kSignIn;
- case LoginShelfView::kOsInstall:
- return LoginMetricsRecorder::ShelfButtonClickTarget::kOsInstallButton;
- }
- return LoginMetricsRecorder::ShelfButtonClickTarget::kTargetCount;
- }
- void ButtonPressed(int id, base::RepeatingClosure callback) {
- UserMetricsRecorder::RecordUserClickOnShelfButton(GetUserClickTarget(id));
- std::move(callback).Run();
- }
- // The margins of the button contents.
- constexpr int kButtonMarginRightDp = PillButton::kPillButtonHorizontalSpacing;
- constexpr int kButtonMarginLeftDp = kButtonMarginRightDp - 4;
- // Spacing between the button image and label.
- constexpr int kImageLabelSpacingDp = 8;
- void AnimateButtonOpacity(ui::Layer* layer,
- float target_opacity,
- base::TimeDelta animation_duration,
- gfx::Tween::Type type) {
- ui::ScopedLayerAnimationSettings animation_setter(layer->GetAnimator());
- animation_setter.SetTransitionDuration(animation_duration);
- animation_setter.SetTweenType(type);
- animation_setter.SetPreemptionStrategy(
- ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
- layer->SetOpacity(target_opacity);
- }
- } // namespace
- class LoginShelfButton : public PillButton {
- public:
- LoginShelfButton(PressedCallback callback,
- int text_resource_id,
- const gfx::VectorIcon& icon)
- : PillButton(std::move(callback),
- l10n_util::GetStringUTF16(text_resource_id),
- PillButton::Type::kIconLarge,
- &icon,
- PillButton::kPillButtonHorizontalSpacing),
- text_resource_id_(text_resource_id),
- icon_(icon) {
- SetFocusBehavior(FocusBehavior::ALWAYS);
- set_suppress_default_focus_handling();
- SetFocusPainter(nullptr);
- views::InkDrop::Get(this)->SetMode(views::InkDropHost::InkDropMode::ON);
- }
- LoginShelfButton(const LoginShelfButton&) = delete;
- LoginShelfButton& operator=(const LoginShelfButton&) = delete;
- ~LoginShelfButton() override = default;
- int text_resource_id() const { return text_resource_id_; }
- const char* GetClassName() const override {
- return kLoginShelfButtonClassName;
- }
- std::u16string GetTooltipText(const gfx::Point& p) const override {
- if (label()->IsDisplayTextTruncated())
- return label()->GetText();
- return std::u16string();
- }
- void UpdateButtonColors() {
- SetEnabledTextColors(GetButtonTextColor());
- SetImage(views::Button::STATE_NORMAL,
- gfx::CreateVectorIcon(icon_, GetButtonIconColor()));
- }
- void OnFocus() override {
- auto* const keyboard_controller = keyboard::KeyboardUIController::Get();
- keyboard_controller->set_keyboard_locked(false /*lock*/);
- keyboard_controller->HideKeyboardImplicitlyByUser();
- }
- private:
- const int text_resource_id_;
- const gfx::VectorIcon& icon_;
- };
- class KioskAppsButton : public views::MenuButton,
- public ui::SimpleMenuModel,
- public ui::SimpleMenuModel::Delegate {
- public:
- KioskAppsButton()
- : MenuButton(base::BindRepeating(
- [](KioskAppsButton* button) {
- if (button->is_launch_enabled_)
- button->DisplayMenu();
- },
- this),
- l10n_util::GetStringUTF16(IDS_ASH_SHELF_APPS_BUTTON)),
- ui::SimpleMenuModel(this) {
- SetFocusBehavior(FocusBehavior::ALWAYS);
- set_suppress_default_focus_handling();
- SetInstallFocusRingOnFocus(true);
- views::FocusRing::Get(this)->SetColorId(ui::kColorAshFocusRing);
- views::InstallRoundRectHighlightPathGenerator(
- this, gfx::Insets(), ShelfConfig::Get()->control_border_radius());
- SetFocusPainter(nullptr);
- views::InkDrop::Get(this)->SetMode(views::InkDropHost::InkDropMode::ON);
- SetHasInkDropActionOnClick(true);
- views::InkDrop::UseInkDropWithoutAutoHighlight(
- views::InkDrop::Get(this), /*highlight_on_hover=*/false);
- StyleUtil::ConfigureInkDropAttributes(
- this, StyleUtil::kBaseColor | StyleUtil::kInkDropOpacity);
- // Layer rendering is required when the shelf background is visible, which
- // happens when the wallpaper is not blurred.
- SetPaintToLayer();
- layer()->SetFillsBoundsOpaquely(false);
- SetTextSubpixelRenderingEnabled(false);
- SetImageLabelSpacing(kImageLabelSpacingDp);
- label()->SetFontList(views::Label::GetDefaultFontList().Derive(
- 1, gfx::Font::NORMAL, gfx::Font::Weight::MEDIUM));
- }
- KioskAppsButton(const KioskAppsButton&) = delete;
- KioskAppsButton& operator=(const KioskAppsButton&) = delete;
- bool LaunchAppForTesting(const std::string& app_id) {
- for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
- if (kiosk_apps_[i].app_id == app_id) {
- ExecuteCommand(i, 0);
- return true;
- }
- }
- return false;
- }
- // Replace the existing items list with a new list of kiosk app menu items.
- void SetApps(const std::vector<KioskAppMenuEntry>& kiosk_apps) {
- kiosk_apps_ = kiosk_apps;
- Clear();
- const gfx::Size kAppIconSize(16, 16);
- for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
- gfx::ImageSkia icon = gfx::ImageSkiaOperations::CreateResizedImage(
- kiosk_apps_[i].icon, skia::ImageOperations::RESIZE_GOOD,
- kAppIconSize);
- AddItemWithIcon(i, kiosk_apps_[i].name,
- ui::ImageModel::FromImageSkia(icon));
- }
- // If the menu is being shown, update it.
- if (menu_runner_ && menu_runner_->IsRunning()) {
- DisplayMenu();
- }
- }
- void ConfigureKioskCallbacks(
- const base::RepeatingCallback<void(const KioskAppMenuEntry&)>& launch_app,
- const base::RepeatingClosure& on_show_menu,
- const base::RepeatingClosure& on_close_menu) {
- launch_app_callback_ = launch_app;
- on_show_menu_ = on_show_menu;
- on_close_menu_ = on_close_menu;
- }
- bool HasApps() const { return !kiosk_apps_.empty(); }
- int GetHeightForWidth(int width) const override {
- return ShelfConfig::Get()->control_size();
- }
- // views::MenuButton:
- gfx::Insets GetInsets() const override {
- return gfx::Insets::TLBR(0, kButtonMarginLeftDp, 0, kButtonMarginRightDp);
- }
- SkPath GetButtonHighlightPath(const views::View* view) {
- gfx::Rect rect(view->GetLocalBounds());
- const int border_radius = ShelfConfig::Get()->control_border_radius();
- return SkPath().addRoundRect(gfx::RectToSkRect(rect), border_radius,
- border_radius);
- }
- void PaintButtonContents(gfx::Canvas* canvas) override {
- cc::PaintFlags flags;
- flags.setAntiAlias(true);
- flags.setColor(ShelfConfig::Get()->GetShelfControlButtonColor());
- flags.setStyle(cc::PaintFlags::kFill_Style);
- canvas->DrawPath(GetButtonHighlightPath(this), flags);
- }
- void SetVisible(bool visible) override {
- MenuButton::SetVisible(visible);
- if (visible)
- is_launch_enabled_ = true;
- }
- void UpdateButtonColors() {
- SetEnabledTextColors(GetButtonTextColor());
- SetImage(views::Button::STATE_NORMAL,
- CreateVectorIcon(kShelfAppsButtonIcon, GetButtonIconColor()));
- }
- void DisplayMenu() {
- const gfx::Point point = GetMenuPosition();
- const gfx::Point origin(point.x() - width(), point.y() - height());
- menu_runner_ = std::make_unique<views::MenuRunner>(
- this, views::MenuRunner::HAS_MNEMONICS);
- menu_runner_->RunMenuAt(GetWidget()->GetTopLevelWidget(),
- button_controller(), gfx::Rect(origin, gfx::Size()),
- views::MenuAnchorPosition::kTopLeft,
- ui::MENU_SOURCE_NONE);
- }
- // ui::SimpleMenuModel:
- void ExecuteCommand(int command_id, int event_flags) override {
- DCHECK(command_id >= 0 &&
- base::checked_cast<size_t>(command_id) < kiosk_apps_.size());
- // Once an app is clicked on, don't allow any additional clicks until
- // the state is reset (when login screen reappears).
- is_launch_enabled_ = false;
- launch_app_callback_.Run(kiosk_apps_[command_id]);
- }
- void OnMenuWillShow(SimpleMenuModel* source) override {
- is_menu_opened_ = true;
- on_show_menu_.Run();
- }
- void MenuClosed(SimpleMenuModel* source) override {
- on_close_menu_.Run();
- is_menu_opened_ = false;
- }
- bool IsCommandIdChecked(int command_id) const override { return false; }
- bool IsCommandIdEnabled(int command_id) const override { return true; }
- bool IsMenuOpened() { return is_menu_opened_; }
- private:
- base::RepeatingCallback<void(const KioskAppMenuEntry&)> launch_app_callback_;
- base::RepeatingClosure on_show_menu_;
- base::RepeatingClosure on_close_menu_;
- std::unique_ptr<views::MenuRunner> menu_runner_;
- std::vector<KioskAppMenuEntry> kiosk_apps_;
- bool is_launch_enabled_ = true;
- bool is_menu_opened_ = false;
- };
- // Class that temporarily disables Guest login buttin on shelf.
- class LoginShelfView::ScopedGuestButtonBlockerImpl
- : public ScopedGuestButtonBlocker {
- public:
- explicit ScopedGuestButtonBlockerImpl(
- base::WeakPtr<LoginShelfView> shelf_view)
- : shelf_view_(shelf_view) {
- ++(shelf_view_->scoped_guest_button_blockers_);
- if (shelf_view_->scoped_guest_button_blockers_ == 1)
- shelf_view_->UpdateUi();
- }
- ~ScopedGuestButtonBlockerImpl() override {
- DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
- if (!shelf_view_)
- return;
- DCHECK_GT(shelf_view_->scoped_guest_button_blockers_, 0);
- --(shelf_view_->scoped_guest_button_blockers_);
- if (!shelf_view_->scoped_guest_button_blockers_)
- shelf_view_->UpdateUi();
- }
- private:
- SEQUENCE_CHECKER(sequence_checker_);
- // ScopedGuestButtonBlockerImpl is not owned by the LoginShelfView,
- // so they could be independently destroyed.
- base::WeakPtr<LoginShelfView> shelf_view_;
- };
- LoginShelfView::TestUiUpdateDelegate::~TestUiUpdateDelegate() = default;
- void LoginShelfView::CallIfDisplayIsOn(const base::RepeatingClosure& closure) {
- if (!Shell::Get()->display_configurator()->IsDisplayOn() &&
- dropped_calls_when_displays_off_ < kMaxDroppedCallsWhenDisplaysOff) {
- ++dropped_calls_when_displays_off_;
- return;
- }
- dropped_calls_when_displays_off_ = 0;
- closure.Run();
- }
- void LoginShelfView::OnRequestShutdownConfirmed() {
- test_shutdown_confirmation_bubble_ = nullptr;
- Shell::Get()->lock_state_controller()->RequestShutdown(
- ShutdownReason::LOGIN_SHUT_DOWN_BUTTON);
- }
- void LoginShelfView::OnRequestShutdownCancelled() {
- test_shutdown_confirmation_bubble_ = nullptr;
- }
- void LoginShelfView::RequestShutdown() {
- base::RecordAction(base::UserMetricsAction("Shelf_ShutDown"));
- if (base::FeatureList::IsEnabled(features::kShutdownConfirmationBubble)) {
- Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow());
- // When the created ShelfShutdownConfirmationBubble is destroyed, it would
- // call LoginShelfView::OnRequestShutdownCancelled() in the destructor to
- // ensure that the pointer test_shutdown_confirmation_bubble_ here is
- // cleaned up.
- // And ShelfShutdownConfirmationBubble would be destroyed when it's
- // dismissed or its buttons were presses.
- test_shutdown_confirmation_bubble_ = new ShelfShutdownConfirmationBubble(
- GetViewByID(kShutdown), shelf->alignment(),
- base::BindOnce(&LoginShelfView::OnRequestShutdownConfirmed,
- weak_ptr_factory_.GetWeakPtr()),
- base::BindOnce(&LoginShelfView::OnRequestShutdownCancelled,
- weak_ptr_factory_.GetWeakPtr()));
- } else {
- OnRequestShutdownConfirmed();
- }
- }
- LoginShelfView::LoginShelfView(
- LockScreenActionBackgroundController* lock_screen_action_background)
- : lock_screen_action_background_(lock_screen_action_background) {
- ShelfConfig::Get()->AddObserver(this);
- // We reuse the focusable state on this view as a signal that focus should
- // switch to the lock screen or status area. This view should otherwise not
- // be focusable.
- SetFocusBehavior(FocusBehavior::ALWAYS);
- std::unique_ptr<views::BoxLayout> box_layout =
- std::make_unique<views::BoxLayout>(
- views::BoxLayout::Orientation::kHorizontal);
- box_layout->set_cross_axis_alignment(
- views::BoxLayout::CrossAxisAlignment::kCenter);
- box_layout->set_between_child_spacing(ShelfConfig::Get()->button_spacing());
- box_layout->set_inside_border_insets(
- gfx::Insets::TLBR(0, ShelfConfig::Get()->button_spacing(), 0, 0));
- SetLayoutManager(std::move(box_layout));
- auto add_button = [this](ButtonId id, base::RepeatingClosure callback,
- int text_resource_id, const gfx::VectorIcon& icon) {
- LoginShelfButton* button = new LoginShelfButton(
- base::BindRepeating(&ButtonPressed, id, std::move(callback)),
- text_resource_id, icon);
- button->SetID(id);
- AddChildView(button);
- login_shelf_buttons_.push_back(button);
- };
- const auto shutdown_callback = base::BindRepeating(
- &LoginShelfView::RequestShutdown, weak_ptr_factory_.GetWeakPtr());
- add_button(
- kShutdown,
- base::BindRepeating(&LoginShelfView::CallIfDisplayIsOn,
- weak_ptr_factory_.GetWeakPtr(), shutdown_callback),
- IDS_ASH_SHELF_SHUTDOWN_BUTTON, kShelfShutdownButtonIcon);
- const auto restart_callback = base::BindRepeating(
- &LockStateController::RequestShutdown,
- base::Unretained(Shell::Get()->lock_state_controller()),
- ShutdownReason::LOGIN_SHUT_DOWN_BUTTON);
- add_button(kRestart, std::move(restart_callback),
- IDS_ASH_SHELF_RESTART_BUTTON, kShelfShutdownButtonIcon);
- add_button(
- kSignOut,
- base::BindRepeating(
- &LoginShelfView::CallIfDisplayIsOn, weak_ptr_factory_.GetWeakPtr(),
- base::BindRepeating([]() {
- base::RecordAction(base::UserMetricsAction("ScreenLocker_Signout"));
- Shell::Get()->session_controller()->RequestSignOut();
- })),
- IDS_ASH_SHELF_SIGN_OUT_BUTTON, kShelfSignOutButtonIcon);
- kiosk_apps_button_ = new KioskAppsButton();
- kiosk_apps_button_->SetID(kApps);
- AddChildView(kiosk_apps_button_);
- add_button(kCloseNote,
- base::BindRepeating(
- &TrayAction::CloseLockScreenNote,
- base::Unretained(Shell::Get()->tray_action()),
- mojom::CloseLockScreenNoteReason::kUnlockButtonPressed),
- IDS_ASH_SHELF_UNLOCK_BUTTON, kShelfUnlockButtonIcon);
- add_button(kCancel,
- base::BindRepeating(
- [](LoginShelfView* shelf) {
- // If the Cancel button has focus, clear it. Otherwise the
- // shelf within active session may still be focused.
- shelf->GetFocusManager()->ClearFocus();
- Shell::Get()->login_screen_controller()->CancelAddUser();
- },
- this),
- IDS_ASH_SHELF_CANCEL_BUTTON, kShelfCancelButtonIcon);
- if (chromeos::features::IsOobeConsolidatedConsentEnabled()) {
- add_button(kBrowseAsGuest,
- base::BindRepeating(
- &LoginScreenController::ShowGuestTosScreen,
- base::Unretained(Shell::Get()->login_screen_controller())),
- IDS_ASH_BROWSE_AS_GUEST_BUTTON, kShelfBrowseAsGuestButtonIcon);
- } else {
- add_button(kBrowseAsGuest,
- base::BindRepeating(
- &LoginScreenController::LoginAsGuest,
- base::Unretained(Shell::Get()->login_screen_controller())),
- IDS_ASH_BROWSE_AS_GUEST_BUTTON, kShelfBrowseAsGuestButtonIcon);
- }
- add_button(kAddUser,
- base::BindRepeating(
- &LoginScreenController::ShowGaiaSignin,
- base::Unretained(Shell::Get()->login_screen_controller()),
- EmptyAccountId()),
- IDS_ASH_ADD_USER_BUTTON, kShelfAddPersonButtonIcon);
- add_button(kParentAccess, base::BindRepeating([]() {
- // TODO(https://crbug.com/999387): Remove this when handling
- // touch cancellation is fixed for system modal windows.
- base::ThreadTaskRunnerHandle::Get()->PostTask(
- FROM_HERE, base::BindOnce([]() {
- LockScreen::Get()->ShowParentAccessDialog();
- }));
- }),
- IDS_ASH_PARENT_ACCESS_BUTTON, kPinRequestLockIcon);
- add_button(kEnterpriseEnrollment,
- base::BindRepeating(
- &LoginScreenController::HandleAccelerator,
- base::Unretained(Shell::Get()->login_screen_controller()),
- ash::LoginAcceleratorAction::kStartEnrollment),
- IDS_ASH_ENTERPRISE_ENROLLMENT_BUTTON, chromeos::kEnterpriseIcon);
- add_button(kSignIn,
- base::BindRepeating(
- &LoginScreenController::HandleAccelerator,
- base::Unretained(Shell::Get()->login_screen_controller()),
- ash::LoginAcceleratorAction::kCancelScreenAction),
- IDS_ASH_SHELF_SIGNIN_BUTTON, kShelfAddPersonButtonIcon);
- add_button(kOsInstall,
- base::BindRepeating(
- &LoginScreenController::ShowOsInstallScreen,
- base::Unretained(Shell::Get()->login_screen_controller())),
- IDS_ASH_SHELF_OS_INSTALL_BUTTON, kShelfOsInstallButtonIcon);
- // Adds observers for states that affect the visibility of different buttons.
- tray_action_observation_.Observe(Shell::Get()->tray_action());
- shutdown_controller_observation_.Observe(Shell::Get()->shutdown_controller());
- lock_screen_action_background_observation_.Observe(
- lock_screen_action_background);
- login_data_dispatcher_observation_.Observe(
- Shell::Get()->login_screen_controller()->data_dispatcher());
- enterprise_domain_model_observation_.Observe(
- Shell::Get()->system_tray_model()->enterprise_domain());
- }
- LoginShelfView::~LoginShelfView() {
- ShelfConfig::Get()->RemoveObserver(this);
- }
- void LoginShelfView::UpdateAfterSessionChange() {
- UpdateUi();
- }
- void LoginShelfView::AddedToWidget() {
- UpdateUi();
- }
- const char* LoginShelfView::GetClassName() const {
- return "LoginShelfView";
- }
- void LoginShelfView::OnFocus() {
- LOG(WARNING) << "LoginShelfView was focused, but this should never happen. "
- "Forwarded focus to shelf widget with an unknown direction.";
- Shell::Get()->focus_cycler()->FocusWidget(
- Shelf::ForWindow(GetWidget()->GetNativeWindow())->shelf_widget());
- }
- void LoginShelfView::AboutToRequestFocusFromTabTraversal(bool reverse) {
- if (reverse) {
- // Focus should leave the system tray.
- Shell::Get()->system_tray_notifier()->NotifyFocusOut(reverse);
- } else {
- StatusAreaWidget* status_area_widget =
- Shelf::ForWindow(GetWidget()->GetNativeWindow())->GetStatusAreaWidget();
- // Focus goes to status area if it is visible.
- if (status_area_widget->IsVisible()) {
- status_area_widget->status_area_widget_delegate()
- ->set_default_last_focusable_child(reverse);
- Shell::Get()->focus_cycler()->FocusWidget(status_area_widget);
- } else {
- Shell::Get()->system_tray_notifier()->NotifyFocusOut(reverse);
- }
- }
- }
- void LoginShelfView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
- if (LockScreen::HasInstance()) {
- GetViewAccessibility().OverridePreviousFocus(LockScreen::Get()->widget());
- }
- Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow());
- GetViewAccessibility().OverrideNextFocus(shelf->GetStatusAreaWidget());
- node_data->role = ax::mojom::Role::kToolbar;
- node_data->SetName(l10n_util::GetStringUTF8(IDS_ASH_SHELF_ACCESSIBLE_NAME));
- }
- void LoginShelfView::Layout() {
- views::View::Layout();
- UpdateButtonUnionBounds();
- }
- void LoginShelfView::OnThemeChanged() {
- views::View::OnThemeChanged();
- UpdateButtonsColors();
- }
- void LoginShelfView::OnShelfConfigUpdated() {
- views::InstallRoundRectHighlightPathGenerator(
- kiosk_apps_button_, gfx::Insets(),
- ShelfConfig::Get()->control_border_radius());
- }
- bool LoginShelfView::LaunchAppForTesting(const std::string& app_id) {
- return kiosk_apps_button_->GetEnabled() &&
- kiosk_apps_button_->LaunchAppForTesting(app_id);
- }
- void LoginShelfView::InstallTestUiUpdateDelegate(
- std::unique_ptr<TestUiUpdateDelegate> delegate) {
- DCHECK(!test_ui_update_delegate_.get());
- test_ui_update_delegate_ = std::move(delegate);
- }
- void LoginShelfView::OnKioskMenuShown(
- const base::RepeatingClosure& on_kiosk_menu_shown) {
- if (kiosk_instruction_bubble_)
- kiosk_instruction_bubble_->GetWidget()->Hide();
- on_kiosk_menu_shown.Run();
- }
- void LoginShelfView::OnKioskMenuclosed() {
- if (kiosk_instruction_bubble_)
- kiosk_instruction_bubble_->GetWidget()->Show();
- }
- void LoginShelfView::SetKioskApps(
- const std::vector<KioskAppMenuEntry>& kiosk_apps) {
- kiosk_apps_button_->SetApps(kiosk_apps);
- UpdateUi();
- if (LockScreen::HasInstance()) {
- LockScreen::Get()->SetHasKioskApp(kiosk_apps_button_->HasApps());
- }
- }
- void LoginShelfView::ConfigureKioskCallbacks(
- const base::RepeatingCallback<void(const KioskAppMenuEntry&)>& launch_app,
- const base::RepeatingClosure& on_show_menu) {
- const auto show_kiosk_menu_callback =
- base::BindRepeating(&LoginShelfView::OnKioskMenuShown,
- weak_ptr_factory_.GetWeakPtr(), on_show_menu);
- const auto close_kiosk_menu_callback = base::BindRepeating(
- &LoginShelfView::OnKioskMenuclosed, weak_ptr_factory_.GetWeakPtr());
- kiosk_apps_button_->ConfigureKioskCallbacks(
- launch_app, show_kiosk_menu_callback, close_kiosk_menu_callback);
- }
- void LoginShelfView::SetLoginDialogState(OobeDialogState state) {
- dialog_state_ = state;
- UpdateUi();
- }
- void LoginShelfView::SetAllowLoginAsGuest(bool allow_guest) {
- allow_guest_ = allow_guest;
- UpdateUi();
- }
- void LoginShelfView::ShowParentAccessButton(bool show) {
- show_parent_access_ = show;
- UpdateUi();
- }
- void LoginShelfView::SetIsFirstSigninStep(bool is_first) {
- is_first_signin_step_ = is_first;
- UpdateUi();
- }
- void LoginShelfView::SetAddUserButtonEnabled(bool enable_add_user) {
- GetViewByID(kAddUser)->SetEnabled(enable_add_user);
- }
- void LoginShelfView::SetShutdownButtonEnabled(bool enable_shutdown_button) {
- GetViewByID(kShutdown)->SetEnabled(enable_shutdown_button);
- }
- void LoginShelfView::SetButtonEnabled(bool enabled) {
- // Only allow enabling shelf buttons when shelf is temporarily disabled and
- // only allow temporarily disabling shelf buttons when shelf is not already
- // disabled.
- if (enabled != is_shelf_temp_disabled_)
- return;
- is_shelf_temp_disabled_ = !enabled;
- for (const auto& button_id : kButtonIds) {
- GetViewByID(button_id)->SetEnabled(enabled);
- }
- StatusAreaWidget* status_area_widget =
- Shelf::ForWindow(GetWidget()->GetNativeWindow())->GetStatusAreaWidget();
- if (enabled) {
- for (TrayBackgroundView* tray_button : status_area_widget->tray_buttons()) {
- // Do not enable the button if it is already in disabled state before we
- // temporarily disable it.
- if (disabled_tray_buttons_.count(tray_button))
- continue;
- tray_button->SetEnabled(true);
- }
- disabled_tray_buttons_.clear();
- } else {
- for (TrayBackgroundView* tray_button : status_area_widget->tray_buttons()) {
- // Record the tray button if it is already in disabled state before we
- // temporarily disable it.
- if (!tray_button->GetEnabled())
- disabled_tray_buttons_.insert(tray_button);
- tray_button->SetEnabled(false);
- }
- }
- }
- void LoginShelfView::SetButtonOpacity(float target_opacity) {
- for (const auto& button_id : kButtonIds) {
- AnimateButtonOpacity(GetViewByID(button_id)->layer(), target_opacity,
- ShelfConfig::Get()->DimAnimationDuration(),
- ShelfConfig::Get()->DimAnimationTween());
- }
- AnimateButtonOpacity(kiosk_apps_button_->layer(), target_opacity,
- ShelfConfig::Get()->DimAnimationDuration(),
- ShelfConfig::Get()->DimAnimationTween());
- }
- void LoginShelfView::SetKioskLicenseModeForTesting(bool is_kiosk_license_mode) {
- kiosk_license_mode_ = is_kiosk_license_mode;
- }
- std::unique_ptr<ScopedGuestButtonBlocker>
- LoginShelfView::GetScopedGuestButtonBlocker() {
- return std::make_unique<LoginShelfView::ScopedGuestButtonBlockerImpl>(
- weak_ptr_factory_.GetWeakPtr());
- }
- void LoginShelfView::OnLockScreenNoteStateChanged(
- mojom::TrayActionState state) {
- UpdateUi();
- }
- void LoginShelfView::OnLockScreenActionBackgroundStateChanged(
- LockScreenActionBackgroundState state) {
- UpdateUi();
- }
- void LoginShelfView::OnShutdownPolicyChanged(bool reboot_on_shutdown) {
- UpdateUi();
- }
- void LoginShelfView::OnUsersChanged(const std::vector<LoginUserInfo>& users) {
- login_screen_has_users_ = !users.empty();
- UpdateUi();
- }
- void LoginShelfView::OnOobeDialogStateChanged(OobeDialogState state) {
- SetLoginDialogState(state);
- }
- void LoginShelfView::OnDeviceEnterpriseInfoChanged() {
- // If feature is enabled, update the boolean kiosk_license_mode_. Otherwise,
- // it's false by default.
- if (features::IsKioskLoginScreenEnabled()) {
- kiosk_license_mode_ =
- Shell::Get()
- ->system_tray_model()
- ->enterprise_domain()
- ->management_device_mode() == ManagementDeviceMode::kKioskSku;
- UpdateUi();
- }
- }
- void LoginShelfView::OnEnterpriseAccountDomainChanged() {}
- void LoginShelfView::HandleLocaleChange() {
- for (views::View* child : children()) {
- if (child->GetClassName() == kLoginShelfButtonClassName) {
- auto* button = static_cast<LoginShelfButton*>(child);
- button->SetText(l10n_util::GetStringUTF16(button->text_resource_id()));
- button->SetAccessibleName(button->GetText());
- }
- }
- }
- KioskAppInstructionBubble*
- LoginShelfView::GetKioskInstructionBubbleForTesting() {
- return kiosk_instruction_bubble_;
- }
- ShelfShutdownConfirmationBubble*
- LoginShelfView::GetShutdownConfirmationBubbleForTesting() {
- return test_shutdown_confirmation_bubble_;
- }
- bool LoginShelfView::LockScreenActionBackgroundAnimating() const {
- return lock_screen_action_background_->state() ==
- LockScreenActionBackgroundState::kShowing ||
- lock_screen_action_background_->state() ==
- LockScreenActionBackgroundState::kHiding;
- }
- void LoginShelfView::UpdateUi() {
- // Make sure observers are notified.
- base::ScopedClosureRunner fire_observer(base::BindOnce(
- [](LoginShelfView* self) {
- if (self->test_ui_update_delegate())
- self->test_ui_update_delegate()->OnUiUpdate();
- },
- base::Unretained(this)));
- SessionState session_state =
- Shell::Get()->session_controller()->GetSessionState();
- if (session_state == SessionState::ACTIVE ||
- session_state == SessionState::RMA) {
- // The entire view was set invisible. The buttons are also set invisible
- // to avoid affecting calculation of the shelf size.
- for (auto* child : children())
- child->SetVisible(false);
- return;
- }
- const gfx::Size old_preferred_size = GetPreferredSize();
- bool show_reboot = Shell::Get()->shutdown_controller()->reboot_on_shutdown();
- mojom::TrayActionState tray_action_state =
- Shell::Get()->tray_action()->GetLockScreenNoteState();
- bool is_locked = (session_state == SessionState::LOCKED);
- bool is_lock_screen_note_in_foreground =
- (tray_action_state == mojom::TrayActionState::kActive ||
- tray_action_state == mojom::TrayActionState::kLaunching) &&
- !LockScreenActionBackgroundAnimating();
- GetViewByID(kShutdown)->SetVisible(!show_reboot &&
- !is_lock_screen_note_in_foreground &&
- ShouldShowShutdownButton());
- GetViewByID(kRestart)->SetVisible(show_reboot &&
- !is_lock_screen_note_in_foreground &&
- ShouldShowShutdownButton());
- GetViewByID(kSignOut)->SetVisible(is_locked &&
- !is_lock_screen_note_in_foreground);
- GetViewByID(kCloseNote)
- ->SetVisible(is_locked && is_lock_screen_note_in_foreground);
- GetViewByID(kCancel)->SetVisible(session_state ==
- SessionState::LOGIN_SECONDARY);
- GetViewByID(kParentAccess)->SetVisible(is_locked && show_parent_access_);
- bool is_login_primary = (session_state == SessionState::LOGIN_PRIMARY);
- bool dialog_visible = dialog_state_ != OobeDialogState::HIDDEN;
- GetViewByID(kBrowseAsGuest)->SetVisible(ShouldShowGuestButton());
- GetViewByID(kEnterpriseEnrollment)
- ->SetVisible(ShouldShowEnterpriseEnrollmentButton());
- GetViewByID(kSignIn)->SetVisible(ShouldShowSignInButton());
- // Show add user button when it's in login screen and Oobe UI dialog is not
- // visible. The button should not appear if the device is not connected to a
- // network.
- GetViewByID(kAddUser)->SetVisible(!kiosk_license_mode_ && !dialog_visible &&
- is_login_primary);
- kiosk_apps_button_->SetVisible(kiosk_apps_button_->HasApps() &&
- ShouldShowAppsButton());
- if (kiosk_license_mode_) {
- // Create the bubble once the login shelf view is available for anchoring.
- if (!kiosk_instruction_bubble_) {
- Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow());
- kiosk_instruction_bubble_ =
- new KioskAppInstructionBubble(GetViewByID(kApps), shelf->alignment());
- }
- if (kiosk_instruction_bubble_) {
- // Show kiosk instructions if the kiosk app button is visible and the menu
- // is not opened.
- if (kiosk_apps_button_->GetVisible() &&
- !kiosk_apps_button_->IsMenuOpened()) {
- kiosk_instruction_bubble_->GetWidget()->Show();
- } else {
- kiosk_instruction_bubble_->GetWidget()->Hide();
- }
- }
- }
- GetViewByID(kOsInstall)->SetVisible(ShouldShowOsInstallButton());
- // If there is no visible (and thus focusable) buttons, we shouldn't focus
- // LoginShelfView. We update it here, so we don't need to check visibility
- // every time we move focus to system tray.
- bool is_anything_focusable = false;
- for (auto* child : login_shelf_buttons_) {
- if (child->IsFocusable()) {
- is_anything_focusable = true;
- break;
- }
- }
- SetFocusBehavior(is_anything_focusable ? views::View::FocusBehavior::ALWAYS
- : views::View::FocusBehavior::NEVER);
- UpdateButtonsColors();
- // When the login shelf view is moved to its own widget, the login shelf
- // widget needs to change the size according to the login shelf view's
- // preferred size.
- if (old_preferred_size != GetPreferredSize() &&
- features::IsUseLoginShelfWidgetEnabled()) {
- PreferredSizeChanged();
- } else {
- Layout();
- }
- }
- void LoginShelfView::UpdateButtonsColors() {
- static_cast<LoginShelfButton*>(GetViewByID(kShutdown))->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kRestart))->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kSignOut))->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kCloseNote))->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kCancel))->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kParentAccess))
- ->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kBrowseAsGuest))
- ->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kAddUser))->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kEnterpriseEnrollment))
- ->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kSignIn))->UpdateButtonColors();
- static_cast<LoginShelfButton*>(GetViewByID(kOsInstall))->UpdateButtonColors();
- kiosk_apps_button_->UpdateButtonColors();
- }
- void LoginShelfView::UpdateButtonUnionBounds() {
- button_union_bounds_ = gfx::Rect();
- View::Views children = GetChildrenInZOrder();
- for (auto* child : children) {
- if (child->GetVisible())
- button_union_bounds_.Union(child->bounds());
- }
- }
- bool LoginShelfView::ShouldShowGuestAndAppsButtons() const {
- bool dialog_state_allowed = false;
- if (dialog_state_ == OobeDialogState::USER_CREATION ||
- dialog_state_ == OobeDialogState::GAIA_SIGNIN) {
- dialog_state_allowed = !login_screen_has_users_ && is_first_signin_step_;
- } else if (dialog_state_ == OobeDialogState::ERROR ||
- dialog_state_ == OobeDialogState::HIDDEN) {
- dialog_state_allowed = true;
- }
- const bool user_session_started =
- Shell::Get()->session_controller()->NumberOfLoggedInUsers() != 0;
- return dialog_state_allowed && !user_session_started;
- }
- // If OobeRemoveShutdownButton feature is ON: show Shutdown button only in one
- // of the cases:
- // 1. On general login screen, when OOBE is completed and device is owned;
- // 2. On enrollment success step (admins/resellers may use the on screen button
- // to shut down the device after enrollment);
- // 3. On first screen of gaia login flow (same reason as 2).
- bool LoginShelfView::ShouldShowShutdownButton() const {
- if (features::IsOobeRemoveShutdownButtonEnabled()) {
- return dialog_state_ == OobeDialogState::HIDDEN ||
- dialog_state_ == OobeDialogState::ENROLLMENT_SUCCESS ||
- dialog_state_ == OobeDialogState::EXTENSION_LOGIN ||
- dialog_state_ == OobeDialogState::BLOCKING ||
- (dialog_state_ == OobeDialogState::GAIA_SIGNIN &&
- is_first_signin_step_);
- }
- return !(dialog_state_ == OobeDialogState::MIGRATION ||
- dialog_state_ == OobeDialogState::ENROLLMENT ||
- dialog_state_ == OobeDialogState::ENROLLMENT_CANCEL_ENABLED ||
- dialog_state_ == OobeDialogState::ONBOARDING ||
- dialog_state_ == OobeDialogState::KIOSK_LAUNCH ||
- dialog_state_ == OobeDialogState::PASSWORD_CHANGED);
- }
- // Show guest button if:
- // 1. Guest login is allowed.
- // 2. OOBE UI dialog is currently showing the login UI or error.
- // 3. No users sessions have started. Button is hidden from all post login
- // screens like sync consent, etc.
- // 4. It's in login screen or OOBE. Note: In OOBE, the guest button visibility
- // is manually controlled by the WebUI.
- // 5. OOBE UI dialog is not currently showing gaia signin screen, or if there
- // are no user views available. If there are no user pods (i.e. Gaia is the
- // only signin option), the guest button should be shown if allowed by policy
- // and OOBE.
- // 6. There are no scoped guest buttons blockers active.
- // 7. The device is not in kiosk license mode.
- bool LoginShelfView::ShouldShowGuestButton() const {
- if (!allow_guest_)
- return false;
- if (scoped_guest_button_blockers_ > 0)
- return false;
- if (!ShouldShowGuestAndAppsButtons())
- return false;
- const SessionState session_state =
- Shell::Get()->session_controller()->GetSessionState();
- if (session_state == SessionState::OOBE)
- return is_first_signin_step_;
- if (session_state != SessionState::LOGIN_PRIMARY)
- return false;
- return true;
- }
- bool LoginShelfView::ShouldShowEnterpriseEnrollmentButton() const {
- const SessionState session_state =
- Shell::Get()->session_controller()->GetSessionState();
- return session_state == SessionState::OOBE &&
- dialog_state_ == OobeDialogState::USER_CREATION;
- }
- bool LoginShelfView::ShouldShowSignInButton() const {
- const SessionState session_state =
- Shell::Get()->session_controller()->GetSessionState();
- return session_state == SessionState::OOBE &&
- dialog_state_ == OobeDialogState::ENROLLMENT_CANCEL_ENABLED;
- }
- bool LoginShelfView::ShouldShowAppsButton() const {
- if (!ShouldShowGuestAndAppsButtons())
- return false;
- const SessionState session_state =
- Shell::Get()->session_controller()->GetSessionState();
- if (session_state != SessionState::LOGIN_PRIMARY)
- return false;
- return true;
- }
- bool LoginShelfView::ShouldShowOsInstallButton() const {
- if (!switches::IsOsInstallAllowed())
- return false;
- if (!ShouldShowGuestAndAppsButtons())
- return false;
- const SessionState session_state =
- Shell::Get()->session_controller()->GetSessionState();
- if (session_state == SessionState::OOBE)
- return is_first_signin_step_;
- if (session_state != SessionState::LOGIN_PRIMARY)
- return false;
- return true;
- }
- } // namespace ash
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