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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/shell.h"
#include <algorithm>
#include <iterator>
#include <memory>
#include <string>
#include <utility>
#include "ash/accelerators/accelerator_controller_impl.h"
#include "ash/accelerators/accelerator_prefs.h"
#include "ash/accelerators/accelerator_tracker.h"
#include "ash/accelerators/ash_accelerator_configuration.h"
#include "ash/accelerators/ash_focus_manager_factory.h"
#include "ash/accelerators/magnifier_key_scroller.h"
#include "ash/accelerators/pre_target_accelerator_handler.h"
#include "ash/accelerators/shortcut_input_handler.h"
#include "ash/accelerators/spoken_feedback_toggler.h"
#include "ash/accelerometer/accelerometer_reader.h"
#include "ash/accessibility/accessibility_controller_impl.h"
#include "ash/accessibility/accessibility_delegate.h"
#include "ash/accessibility/autoclick/autoclick_controller.h"
#include "ash/accessibility/chromevox/key_accessibility_enabler.h"
#include "ash/accessibility/magnifier/docked_magnifier_controller.h"
#include "ash/accessibility/magnifier/fullscreen_magnifier_controller.h"
#include "ash/accessibility/magnifier/partial_magnifier_controller.h"
#include "ash/accessibility/sticky_keys/sticky_keys_controller.h"
#include "ash/accessibility/ui/accessibility_focus_ring_controller_impl.h"
#include "ash/ambient/ambient_controller.h"
#include "ash/api/tasks/tasks_controller.h"
#include "ash/api/tasks/tasks_delegate.h"
#include "ash/app_list/app_list_controller_impl.h"
#include "ash/app_list/app_list_feature_usage_metrics.h"
#include "ash/assistant/assistant_controller_impl.h"
#include "ash/booting/booting_animation_controller.h"
#include "ash/calendar/calendar_controller.h"
#include "ash/capture_mode/capture_mode_controller.h"
#include "ash/child_accounts/parent_access_controller_impl.h"
#include "ash/clipboard/clipboard_history_controller_delegate.h"
#include "ash/clipboard/clipboard_history_controller_impl.h"
#include "ash/clipboard/clipboard_history_util.h"
#include "ash/clipboard/control_v_histogram_recorder.h"
#include "ash/color_enhancement/color_enhancement_controller.h"
#include "ash/constants/ash_features.h"
#include "ash/constants/ash_switches.h"
#include "ash/controls/contextual_tooltip.h"
#include "ash/curtain/security_curtain_controller_impl.h"
#include "ash/dbus/ash_dbus_services.h"
#include "ash/detachable_base/detachable_base_handler.h"
#include "ash/detachable_base/detachable_base_notification_controller.h"
#include "ash/display/cros_display_config.h"
#include "ash/display/cursor_window_controller.h"
#include "ash/display/display_alignment_controller.h"
#include "ash/display/display_color_manager.h"
#include "ash/display/display_configuration_controller.h"
#include "ash/display/display_configuration_observer.h"
#include "ash/display/display_error_observer.h"
#include "ash/display/display_highlight_controller.h"
#include "ash/display/display_prefs.h"
#include "ash/display/display_shutdown_observer.h"
#include "ash/display/event_transformation_handler.h"
#include "ash/display/mouse_cursor_event_filter.h"
#include "ash/display/privacy_screen_controller.h"
#include "ash/display/projecting_observer.h"
#include "ash/display/resolution_notification_controller.h"
#include "ash/display/screen_ash.h"
#include "ash/display/screen_orientation_controller.h"
#include "ash/display/screen_position_controller.h"
#include "ash/display/window_tree_host_manager.h"
#include "ash/drag_drop/drag_drop_controller.h"
#include "ash/events/event_rewriter_controller_impl.h"
#include "ash/fast_ink/laser/laser_pointer_controller.h"
#include "ash/focus_cycler.h"
#include "ash/frame/non_client_frame_view_ash.h"
#include "ash/frame/snap_controller_impl.h"
#include "ash/frame_throttler/frame_throttling_controller.h"
#include "ash/game_dashboard/game_dashboard_controller.h"
#include "ash/glanceables/glanceables_controller.h"
#include "ash/glanceables/post_login_glanceables_metrics_recorder.h"
#include "ash/host/ash_window_tree_host_init_params.h"
#include "ash/hud_display/hud_display.h"
#include "ash/ime/ime_controller_impl.h"
#include "ash/in_session_auth/in_session_auth_dialog_controller_impl.h"
#include "ash/in_session_auth/webauthn_dialog_controller_impl.h"
#include "ash/keyboard/keyboard_controller_impl.h"
#include "ash/keyboard/ui/keyboard_ui_factory.h"
#include "ash/login/login_screen_controller.h"
#include "ash/login/ui/local_authentication_request_controller_impl.h"
#include "ash/login_status.h"
#include "ash/media/media_controller_impl.h"
#include "ash/metrics/feature_discovery_duration_reporter_impl.h"
#include "ash/metrics/login_unlock_throughput_recorder.h"
#include "ash/metrics/user_metrics_recorder.h"
#include "ash/multi_capture/multi_capture_service_client.h"
#include "ash/multi_device_setup/multi_device_notification_presenter.h"
#include "ash/picker/picker_controller.h"
#include "ash/policy/policy_recommendation_restorer.h"
#include "ash/projector/projector_controller_impl.h"
#include "ash/public/cpp/accelerator_keycode_lookup_cache.h"
#include "ash/public/cpp/ash_prefs.h"
#include "ash/public/cpp/holding_space/holding_space_controller.h"
#include "ash/public/cpp/login/local_authentication_request_controller.h"
#include "ash/public/cpp/nearby_share_delegate.h"
#include "ash/public/cpp/saved_desk_delegate.h"
#include "ash/public/cpp/shelf_config.h"
#include "ash/public/cpp/shelf_model.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/public/cpp/system_sounds_delegate.h"
#include "ash/public/cpp/tab_cluster/tab_cluster_ui_controller.h"
#include "ash/public/cpp/views_text_services_context_menu_ash.h"
#include "ash/quick_pair/keyed_service/quick_pair_mediator.h"
#include "ash/rgb_keyboard/rgb_keyboard_manager.h"
#include "ash/root_window_controller.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shelf/shelf_controller.h"
#include "ash/shelf/shelf_window_watcher.h"
#include "ash/shell_delegate.h"
#include "ash/shell_init_params.h"
#include "ash/shell_observer.h"
#include "ash/shell_tab_handler.h"
#include "ash/shutdown_controller_impl.h"
#include "ash/style/ash_color_mixer.h"
#include "ash/style/ash_color_provider.h"
#include "ash/style/color_palette_controller.h"
#include "ash/style/dark_light_mode_controller_impl.h"
#include "ash/style/style_util.h"
#include "ash/system/audio/audio_effects_controller.h"
#include "ash/system/audio/display_speaker_controller.h"
#include "ash/system/bluetooth/bluetooth_device_status_ui_handler.h"
#include "ash/system/bluetooth/bluetooth_notification_controller.h"
#include "ash/system/bluetooth/bluetooth_state_cache.h"
#include "ash/system/brightness/brightness_controller_chromeos.h"
#include "ash/system/brightness_control_delegate.h"
#include "ash/system/camera/autozoom_controller_impl.h"
#include "ash/system/camera/camera_effects_controller.h"
#include "ash/system/caps_lock_notification_controller.h"
#include "ash/system/diagnostics/diagnostics_log_controller.h"
#include "ash/system/federated/federated_service_controller_impl.h"
#include "ash/system/firmware_update/firmware_update_notification_controller.h"
#include "ash/system/focus_mode/focus_mode_controller.h"
#include "ash/system/geolocation/geolocation_controller.h"
#include "ash/system/hotspot/hotspot_icon_animation.h"
#include "ash/system/hotspot/hotspot_info_cache.h"
#include "ash/system/human_presence/human_presence_orientation_controller.h"
#include "ash/system/human_presence/snooping_protection_controller.h"
#include "ash/system/input_device_settings/input_device_key_alias_manager.h"
#include "ash/system/input_device_settings/input_device_settings_controller_impl.h"
#include "ash/system/input_device_settings/input_device_settings_dispatcher.h"
#include "ash/system/input_device_settings/input_device_tracker.h"
#include "ash/system/input_device_settings/keyboard_modifier_metrics_recorder.h"
#include "ash/system/keyboard_brightness/keyboard_backlight_color_controller.h"
#include "ash/system/keyboard_brightness/keyboard_brightness_controller.h"
#include "ash/system/keyboard_brightness_control_delegate.h"
#include "ash/system/locale/locale_update_controller_impl.h"
#include "ash/system/media/media_notification_provider.h"
#include "ash/system/message_center/message_center_ash_impl.h"
#include "ash/system/message_center/message_center_controller.h"
#include "ash/system/model/system_tray_model.h"
#include "ash/system/model/virtual_keyboard_model.h"
#include "ash/system/nearby_share/nearby_share_controller_impl.h"
#include "ash/system/network/sms_observer.h"
#include "ash/system/night_light/night_light_controller_impl.h"
#include "ash/system/pcie_peripheral/pcie_peripheral_notification_controller.h"
#include "ash/system/power/adaptive_charging_controller.h"
#include "ash/system/power/backlights_forced_off_setter.h"
#include "ash/system/power/battery_saver_controller.h"
#include "ash/system/power/peripheral_battery_notifier.h"
#include "ash/system/power/power_button_controller.h"
#include "ash/system/power/power_event_observer.h"
#include "ash/system/power/power_prefs.h"
#include "ash/system/power/power_status.h"
#include "ash/system/power/video_activity_notifier.h"
#include "ash/system/privacy/screen_switch_check_controller.h"
#include "ash/system/privacy_hub/privacy_hub_controller.h"
#include "ash/system/screen_layout_observer.h"
#include "ash/system/session/logout_confirmation_controller.h"
#include "ash/system/status_area_widget.h"
#include "ash/system/system_notification_controller.h"
#include "ash/system/toast/anchored_nudge_manager_impl.h"
#include "ash/system/toast/system_nudge_pause_manager_impl.h"
#include "ash/system/toast/toast_manager_impl.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/system/usb_peripheral/usb_peripheral_notification_controller.h"
#include "ash/system/video_conference/fake_video_conference_tray_controller.h"
#include "ash/touch/ash_touch_transform_controller.h"
#include "ash/touch/touch_devices_controller.h"
#include "ash/tray_action/tray_action.h"
#include "ash/user_education/user_education_controller.h"
#include "ash/user_education/user_education_delegate.h"
#include "ash/utility/occlusion_tracker_pauser.h"
#include "ash/wallpaper/wallpaper_controller_impl.h"
#include "ash/wm/ash_focus_rules.h"
#include "ash/wm/bounds_tracker/window_bounds_tracker.h"
#include "ash/wm/container_finder.h"
#include "ash/wm/coral/coral_controller.h"
#include "ash/wm/cursor_manager_chromeos.h"
#include "ash/wm/desks/desks_controller.h"
#include "ash/wm/desks/templates/saved_desk_controller.h"
#include "ash/wm/event_client_impl.h"
#include "ash/wm/float/float_controller.h"
#include "ash/wm/gestures/back_gesture/back_gesture_event_handler.h"
#include "ash/wm/immersive_context_ash.h"
#include "ash/wm/lock_state_controller.h"
#include "ash/wm/mru_window_tracker.h"
#include "ash/wm/multi_display/multi_display_metrics_controller.h"
#include "ash/wm/multi_display/persistent_window_controller.h"
#include "ash/frame/multitask_menu_nudge_delegate_ash.h"
#include "ash/wm/native_cursor_manager_ash.h"
#include "ash/wm/overview/overview_controller.h"
#include "ash/wm/pip/pip_controller.h"
#include "ash/wm/raster_scale/raster_scale_controller.h"
#include "ash/wm/resize_shadow_controller.h"
#include "ash/wm/screen_pinning_controller.h"
#include "ash/wm/snap_group/snap_group_controller.h"
#include "ash/wm/system_gesture_event_filter.h"
#include "ash/wm/system_modal_container_event_filter.h"
#include "ash/wm/system_modal_container_layout_manager.h"
#include "ash/wm/tablet_mode/tablet_mode_controller.h"
#include "ash/wm/tablet_mode/tablet_mode_window_manager.h"
#include "ash/wm/toplevel_window_event_handler.h"
#include "ash/wm/video_detector.h"
#include "ash/wm/window_animations.h"
#include "ash/wm/window_cycle/window_cycle_controller.h"
#include "ash/wm/window_properties.h"
#include "ash/wm/window_restore/window_restore_controller.h"
#include "ash/wm/window_util.h"
#include "ash/wm/wm_shadow_controller_delegate.h"
#include "ash/wm/workspace_controller.h"
#include "ash/wm_mode/wm_mode_controller.h"
#include "base/check.h"
#include "base/command_line.h"
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/memory/ptr_util.h"
#include "base/notreached.h"
#include "base/ranges/algorithm.h"
#include "base/system/sys_info.h"
#include "base/trace_event/trace_event.h"
#include "chromeos/ash/components/dbus/fwupd/fwupd_client.h"
#include "chromeos/ash/components/dbus/typecd/typecd_client.h"
#include "chromeos/ash/components/dbus/usb/usbguard_client.h"
#include "chromeos/ash/components/fwupd/firmware_update_manager.h"
#include "chromeos/ash/components/peripheral_notification/peripheral_notification_manager.h"
#include "chromeos/ash/services/assistant/public/cpp/features.h"
#include "chromeos/dbus/init/initialize_dbus_client.h"
#include "chromeos/dbus/power/power_policy_controller.h"
#include "chromeos/ui/clipboard_history/clipboard_history_util.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "components/viz/host/host_frame_sink_manager.h"
#include "dbus/bus.h"
#include "media/capture/video/chromeos/video_capture_features_chromeos.h"
#include "services/video_capture/public/mojom/multi_capture_service.mojom.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/env.h"
#include "ui/aura/layout_manager.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/base/cursor/mojom/cursor_type.mojom-shared.h"
#include "ui/base/ui_base_features.h"
#include "ui/base/user_activity/user_activity_detector.h"
#include "ui/chromeos/user_activity_power_manager_notifier.h"
#include "ui/color/color_provider_manager.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animator.h"
#include "ui/display/display.h"
#include "ui/display/manager/default_touch_transform_setter.h"
#include "ui/display/manager/display_change_observer.h"
#include "ui/display/manager/display_configurator.h"
#include "ui/display/manager/display_manager.h"
#include "ui/display/manager/display_port_observer.h"
#include "ui/display/manager/touch_transform_setter.h"
#include "ui/display/screen.h"
#include "ui/display/types/native_display_delegate.h"
#include "ui/events/ash/keyboard_capability.h"
#include "ui/events/event_target_iterator.h"
#include "ui/gfx/geometry/insets.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/message_center/message_center.h"
#include "ui/ozone/public/ozone_platform.h"
#include "ui/views/controls/views_text_services_context_menu_chromeos.h"
#include "ui/views/corewm/tooltip_aura.h"
#include "ui/views/corewm/tooltip_controller.h"
#include "ui/views/focus/focus_manager_factory.h"
#include "ui/views/widget/native_widget_aura.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/accelerator_filter.h"
#include "ui/wm/core/capture_controller.h"
#include "ui/wm/core/compound_event_filter.h"
#include "ui/wm/core/focus_controller.h"
#include "ui/wm/core/shadow_controller.h"
#include "ui/wm/core/visibility_controller.h"
#include "ui/wm/core/window_modality_controller.h"
namespace ash {
namespace {
using aura::Window;
using views::Widget;
// A Corewm VisibilityController subclass that calls the Ash animation routine
// so we can pick up our extended animations. See ash/wm/window_animations.h.
class AshVisibilityController : public ::wm::VisibilityController {
public:
AshVisibilityController() = default;
AshVisibilityController(const AshVisibilityController&) = delete;
AshVisibilityController& operator=(const AshVisibilityController&) = delete;
~AshVisibilityController() override = default;
private:
// Overridden from ::wm::VisibilityController:
bool CallAnimateOnChildWindowVisibilityChanged(aura::Window* window,
bool visible) override {
return AnimateOnChildWindowVisibilityChanged(window, visible);
}
};
} // namespace
// static
Shell* Shell::instance_ = nullptr;
////////////////////////////////////////////////////////////////////////////////
// Shell, public:
// static
Shell* Shell::CreateInstance(ShellInitParams init_params) {
CHECK(!instance_);
instance_ = new Shell(std::move(init_params.delegate));
instance_->Init(init_params.context_factory, init_params.local_state,
std::move(init_params.keyboard_ui_factory),
std::move(init_params.quick_pair_mediator_factory),
init_params.dbus_bus,
std::move(init_params.native_display_delegate));
return instance_;
}
// static
Shell* Shell::Get() {
CHECK(instance_);
return instance_;
}
// static
bool Shell::HasInstance() {
return !!instance_;
}
// static
void Shell::DeleteInstance() {
delete instance_;
}
// static
RootWindowController* Shell::GetPrimaryRootWindowController() {
CHECK(HasInstance());
return RootWindowController::ForWindow(GetPrimaryRootWindow());
}
// static
Shell::RootWindowControllerList Shell::GetAllRootWindowControllers() {
CHECK(HasInstance());
RootWindowControllerList root_window_controllers;
for (aura::Window* root : GetAllRootWindows()) {
root_window_controllers.push_back(RootWindowController::ForWindow(root));
}
return root_window_controllers;
}
// static
RootWindowController* Shell::GetRootWindowControllerWithDisplayId(
int64_t display_id) {
CHECK(HasInstance());
aura::Window* root = GetRootWindowForDisplayId(display_id);
return root ? RootWindowController::ForWindow(root) : nullptr;
}
// static
aura::Window* Shell::GetRootWindowForDisplayId(int64_t display_id) {
CHECK(HasInstance());
return instance_->window_tree_host_manager_->GetRootWindowForDisplayId(
display_id);
}
// static
aura::Window* Shell::GetPrimaryRootWindow() {
CHECK(HasInstance());
return instance_->window_tree_host_manager_->GetPrimaryRootWindow();
}
// static
void Shell::SetRootWindowForNewWindows(aura::Window* root) {
display::Screen::GetScreen()->SetDisplayForNewWindows(
display::Screen::GetScreen()->GetDisplayNearestWindow(root).id());
}
// static
aura::Window* Shell::GetRootWindowForNewWindows() {
return GetRootWindowForDisplayId(
display::Screen::GetScreen()->GetDisplayForNewWindows().id());
}
// static
aura::Window::Windows Shell::GetAllRootWindows() {
CHECK(HasInstance());
return instance_->window_tree_host_manager_->GetAllRootWindows();
}
// static
aura::Window* Shell::GetContainer(aura::Window* root_window, int container_id) {
return root_window->GetChildById(container_id);
}
// static
const aura::Window* Shell::GetContainer(const aura::Window* root_window,
int container_id) {
return root_window->GetChildById(container_id);
}
// static
int Shell::GetOpenSystemModalWindowContainerId() {
// The test boolean is not static to avoid leaking state between tests.
if (Get()->simulate_modal_window_open_for_test_) {
return kShellWindowId_SystemModalContainer;
}
// Traverse all system modal containers, and find its direct child window
// with "SystemModal" setting, and visible.
for (aura::Window* root : Shell::GetAllRootWindows()) {
for (int modal_window_id : kSystemModalContainerIds) {
aura::Window* system_modal = root->GetChildById(modal_window_id);
if (!system_modal) {
continue;
}
for (const aura::Window* child : system_modal->children()) {
if (child->GetProperty(aura::client::kModalKey) ==
ui::MODAL_TYPE_SYSTEM &&
child->layer()->GetTargetVisibility()) {
return modal_window_id;
}
}
}
}
return -1;
}
// static
bool Shell::IsSystemModalWindowOpen() {
return GetOpenSystemModalWindowContainerId() >= 0;
}
display::DisplayConfigurator* Shell::display_configurator() {
return display_manager_->configurator();
}
void Shell::TrackInputMethodBounds(ArcInputMethodBoundsTracker* tracker) {
system_tray_model()->virtual_keyboard()->SetInputMethodBoundsTrackerObserver(
tracker);
}
void Shell::UntrackTrackInputMethodBounds(
ArcInputMethodBoundsTracker* tracker) {
system_tray_model()
->virtual_keyboard()
->RemoveInputMethodBoundsTrackerObserver(tracker);
}
std::unique_ptr<views::NonClientFrameView>
Shell::CreateDefaultNonClientFrameView(views::Widget* widget) {
// Use translucent-style window frames for dialogs.
return std::make_unique<NonClientFrameViewAsh>(widget);
}
void Shell::OnCastingSessionStartedOrStopped(bool started) {
for (auto& observer : shell_observers_) {
observer.OnCastingSessionStartedOrStopped(started);
}
}
void Shell::OnRootWindowAdded(aura::Window* root_window) {
for (auto& observer : shell_observers_) {
observer.OnRootWindowAdded(root_window);
}
}
void Shell::OnRootWindowWillShutdown(aura::Window* root_window) {
DCHECK(toplevel_window_event_handler_);
root_window->RemovePreTargetHandler(toplevel_window_event_handler_.get());
root_window->RemovePostTargetHandler(toplevel_window_event_handler_.get());
for (auto& observer : shell_observers_) {
observer.OnRootWindowWillShutdown(root_window);
}
}
void Shell::OnDictationStarted() {
for (auto& observer : shell_observers_) {
observer.OnDictationStarted();
}
}
void Shell::OnDictationEnded() {
for (auto& observer : shell_observers_) {
observer.OnDictationEnded();
}
}
bool Shell::IsInTabletMode() const {
return display::Screen::GetScreen()->InTabletMode();
}
bool Shell::ShouldSaveDisplaySettings() {
return !(
screen_orientation_controller_->ignore_display_configuration_updates() ||
// Save display settings if we don't need to show the display change
// dialog.
resolution_notification_controller_->ShouldShowDisplayChangeDialog());
}
::wm::ActivationClient* Shell::activation_client() {
return focus_controller_.get();
}
bool Shell::HasPrimaryStatusArea() {
return !!GetPrimaryRootWindowController()->GetStatusAreaWidget();
}
void Shell::SetLargeCursorSizeInDip(int large_cursor_size_in_dip) {
window_tree_host_manager_->cursor_window_controller()
->SetLargeCursorSizeInDip(large_cursor_size_in_dip);
}
void Shell::SetCursorColor(SkColor cursor_color) {
window_tree_host_manager_->cursor_window_controller()->SetCursorColor(
cursor_color);
}
void Shell::UpdateCursorCompositingEnabled() {
SetCursorCompositingEnabled(
window_tree_host_manager_->cursor_window_controller()
->ShouldEnableCursorCompositing());
}
void Shell::SetCursorCompositingEnabled(bool enabled) {
CursorWindowController* cursor_window_controller =
window_tree_host_manager_->cursor_window_controller();
if (cursor_window_controller->is_cursor_compositing_enabled() == enabled) {
return;
}
cursor_window_controller->SetCursorCompositingEnabled(enabled);
native_cursor_manager_->SetNativeCursorEnabled(!enabled);
}
void Shell::DoInitialWorkspaceAnimation() {
// Uses the active desk's workspace.
auto* workspace = GetActiveWorkspaceController(GetPrimaryRootWindow());
DCHECK(workspace);
workspace->DoInitialAnimation();
}
void Shell::ShowContextMenu(const gfx::Point& location_in_screen,
ui::MenuSourceType source_type) {
// Bail with no active user session, in the lock screen, or in app/kiosk mode.
if (session_controller_->NumberOfLoggedInUsers() < 1 ||
session_controller_->IsScreenLocked() ||
session_controller_->IsRunningInAppMode()) {
return;
}
aura::Window* root = window_util::GetRootWindowAt(location_in_screen);
RootWindowController::ForWindow(root)->ShowContextMenu(location_in_screen,
source_type);
}
void Shell::AddShellObserver(ShellObserver* observer) {
shell_observers_.AddObserver(observer);
}
void Shell::RemoveShellObserver(ShellObserver* observer) {
shell_observers_.RemoveObserver(observer);
}
void Shell::ShutdownEventDispatch() {
for (aura::Window* root : GetAllRootWindows()) {
aura::client::SetDragDropClient(root, nullptr);
}
// Stop dispatching events (e.g. synthesized mouse exits from window close).
// https://crbug.com/874156
for (RootWindowController* rwc : GetAllRootWindowControllers()) {
rwc->GetHost()->dispatcher()->Shutdown();
}
}
void Shell::UpdateAfterLoginStatusChange(LoginStatus status) {
for (auto* root_window_controller : GetAllRootWindowControllers()) {
root_window_controller->UpdateAfterLoginStatusChange(status);
}
}
void Shell::NotifyFullscreenStateChanged(bool is_fullscreen,
aura::Window* container) {
for (auto& observer : shell_observers_) {
observer.OnFullscreenStateChanged(is_fullscreen, container);
}
}
void Shell::NotifyPinnedStateChanged(aura::Window* pinned_window) {
for (auto& observer : shell_observers_) {
observer.OnPinnedStateChanged(pinned_window);
}
}
void Shell::NotifyUserWorkAreaInsetsChanged(aura::Window* root_window) {
for (auto& observer : shell_observers_) {
observer.OnUserWorkAreaInsetsChanged(root_window);
}
}
void Shell::NotifyShelfAlignmentChanged(aura::Window* root_window,
ShelfAlignment old_alignment) {
for (auto& observer : shell_observers_) {
observer.OnShelfAlignmentChanged(root_window, old_alignment);
}
}
void Shell::NotifyDisplayForNewWindowsChanged() {
for (auto& observer : shell_observers_) {
observer.OnDisplayForNewWindowsChanged();
}
}
void Shell::AddAccessibilityEventHandler(
ui::EventHandler* handler,
AccessibilityEventHandlerManager::HandlerType type) {
if (!accessibility_event_handler_manager_) {
accessibility_event_handler_manager_ =
std::make_unique<AccessibilityEventHandlerManager>();
}
accessibility_event_handler_manager_->AddAccessibilityEventHandler(handler,
type);
}
void Shell::RemoveAccessibilityEventHandler(ui::EventHandler* handler) {
accessibility_event_handler_manager_->RemoveAccessibilityEventHandler(
handler);
}
DeskProfilesDelegate* Shell::GetDeskProfilesDelegate() {
return shell_delegate_->GetDeskProfilesDelegate();
}
////////////////////////////////////////////////////////////////////////////////
// Shell, private:
Shell::Shell(std::unique_ptr<ShellDelegate> shell_delegate)
: brightness_control_delegate_(
std::make_unique<system::BrightnessControllerChromeos>()),
focus_cycler_(std::make_unique<FocusCycler>()),
ime_controller_(std::make_unique<ImeControllerImpl>()),
immersive_context_(std::make_unique<ImmersiveContextAsh>()),
webauthn_dialog_controller_(
std::make_unique<WebAuthNDialogControllerImpl>()),
in_session_auth_dialog_controller_(
std::make_unique<InSessionAuthDialogControllerImpl>()),
keyboard_brightness_control_delegate_(
std::make_unique<KeyboardBrightnessController>()),
locale_update_controller_(std::make_unique<LocaleUpdateControllerImpl>()),
parent_access_controller_(std::make_unique<ParentAccessControllerImpl>()),
local_authentication_request_controller_(
std::make_unique<LocalAuthenticationRequestControllerImpl>()),
session_controller_(std::make_unique<SessionControllerImpl>()),
feature_discover_reporter_(
std::make_unique<FeatureDiscoveryDurationReporterImpl>(
session_controller_.get())),
shell_delegate_(std::move(shell_delegate)),
shutdown_controller_(std::make_unique<ShutdownControllerImpl>()),
system_tray_notifier_(std::make_unique<SystemTrayNotifier>()),
native_cursor_manager_(nullptr) {
AccelerometerReader::GetInstance()->Initialize();
login_screen_controller_ =
std::make_unique<LoginScreenController>(system_tray_notifier_.get());
display_manager_ = ScreenAsh::CreateDisplayManager();
window_tree_host_manager_ = std::make_unique<WindowTreeHostManager>();
user_metrics_recorder_ = std::make_unique<UserMetricsRecorder>();
keyboard_controller_ =
std::make_unique<KeyboardControllerImpl>(session_controller_.get());
PowerStatus::Initialize();
session_controller_->AddObserver(this);
}
Shell::~Shell() {
TRACE_EVENT0("shutdown", "ash::Shell::Destructor");
#if DCHECK_IS_ON()
// All WindowEventDispatchers should be shutdown before the Shell is
// destroyed.
for (RootWindowController* rwc : GetAllRootWindowControllers()) {
DCHECK(rwc->GetHost()->dispatcher()->in_shutdown());
}
#endif
booting_animation_controller_.reset();
login_unlock_throughput_recorder_.reset();
hud_display::HUDDisplayView::Destroy();
// Observes `SessionController` and must be destroyed before it.
privacy_hub_controller_.reset();
for (auto& observer : shell_observers_) {
observer.OnShellDestroying();
}
ash_dbus_services_.reset();
saved_desk_controller_.reset();
saved_desk_delegate_.reset();
desks_controller_->Shutdown();
user_metrics_recorder_->OnShellShuttingDown();
cros_display_config_.reset();
display_configuration_observer_.reset();
display_prefs_.reset();
display_alignment_controller_.reset();
// Remove the focus from any window. This will prevent overhead and side
// effects (e.g. crashes) from changing focus during shutdown.
// See bug crbug.com/134502.
aura::client::GetFocusClient(GetPrimaryRootWindow())->FocusWindow(nullptr);
// Please keep in reverse order as in Init() because it's easy to miss one.
if (window_modality_controller_) {
window_modality_controller_.reset();
}
RemovePreTargetHandler(shell_tab_handler_.get());
shell_tab_handler_.reset();
RemovePreTargetHandler(magnifier_key_scroll_handler_.get());
magnifier_key_scroll_handler_.reset();
RemovePreTargetHandler(speech_feedback_handler_.get());
speech_feedback_handler_.reset();
RemovePreTargetHandler(control_v_histogram_recorder_.get());
RemovePreTargetHandler(accelerator_tracker_.get());
RemovePreTargetHandler(accelerator_filter_.get());
RemovePreTargetHandler(event_transformation_handler_.get());
if (back_gesture_event_handler_) {
RemovePreTargetHandler(back_gesture_event_handler_.get());
}
RemovePreTargetHandler(system_gesture_filter_.get());
RemoveAccessibilityEventHandler(mouse_cursor_filter_.get());
if (features::IsPeripheralCustomizationEnabled()) {
RemovePreTargetHandler(shortcut_input_handler_.get());
}
RemovePreTargetHandler(modality_filter_.get());
RemovePreTargetHandler(tooltip_controller_.get());
// Resets the implementation of clipboard history utility functions.
chromeos::clipboard_history::SetQueryItemDescriptorsImpl(
base::NullCallback());
chromeos::clipboard_history::SetPasteClipboardItemByIdImpl(
base::NullCallback());
// Resets the text context menu implementation factory.
views::ViewsTextServicesContextMenuChromeos::SetImplFactory(
base::NullCallback());
wm_mode_controller_.reset();
// `shortcut_input_handler_` must be cleaned up before
// `event_rewriter_controller_`.
shortcut_input_handler_.reset();
event_rewriter_controller_.reset();
keyboard_modifier_metrics_recorder_.reset();
input_device_settings_dispatcher_.reset();
input_device_tracker_.reset();
input_device_settings_controller_.reset();
input_device_key_alias_manager_.reset();
screen_orientation_controller_.reset();
screen_layout_observer_.reset();
// Destroy the virtual keyboard controller before the tablet mode controller
// since the latters destructor triggers events that the former is listening
// to but no longer cares about.
keyboard_controller_->DestroyVirtualKeyboard();
// Depends on |tablet_mode_controller_|.
window_restore_controller_.reset();
shelf_controller_->Shutdown();
shelf_config_->Shutdown();
// Depends on `app_list_controller_` and `tablet_mode_controller_`.
app_list_feature_usage_metrics_.reset();
// Destroy |app_list_controller_| earlier than |tablet_mode_controller_| since
// the former may use the latter before destruction.
app_list_controller_.reset();
// Accelerometer file reader stops listening to tablet mode controller.
AccelerometerReader::GetInstance()->StopListenToTabletModeController();
// Destroy |ambient_controller_| before |assistant_controller_|.
ambient_controller_.reset();
// Destroy |assistant_controller_| earlier than |tablet_mode_controller_| so
// that the former will destroy the Assistant view hierarchy which has a
// dependency on the latter.
assistant_controller_.reset();
// Because this function will call |TabletModeController::RemoveObserver|, do
// it before destroying |tablet_mode_controller_|.
accessibility_controller_->Shutdown();
// Must be destructed before human_presence_orientation_controller_.
power_prefs_.reset();
// Must be destructed before the tablet mode and message center controllers,
// both of which these rely on.
snooping_protection_controller_.reset();
human_presence_orientation_controller_.reset();
snap_group_controller_.reset();
// Shutdown tablet mode controller early on since it has some observers which
// need to be removed. It will be destroyed later after all windows are closed
// since it might be accessed during this process.
tablet_mode_controller_->Shutdown();
// Shutdown the clipboard history controller to clean up the child windows and
// widgets that may be animating out.
clipboard_history_controller_->Shutdown();
toast_manager_.reset();
anchored_nudge_manager_.reset();
// Accesses root window containers.
logout_confirmation_controller_.reset();
adaptive_charging_controller_.reset();
// Drag-and-drop must be canceled prior to close all windows.
drag_drop_controller_.reset();
// Controllers who have WindowObserver added must be deleted
// before |window_tree_host_manager_| is deleted.
persistent_window_controller_.reset();
window_bounds_tracker_.reset();
display_highlight_controller_.reset();
// VideoActivityNotifier must be deleted before |video_detector_| is
// deleted because it's observing video activity through
// VideoDetector::Observer interface.
video_activity_notifier_.reset();
video_detector_.reset();
color_enhancement_controller_.reset();
shadow_controller_.reset();
resize_shadow_controller_.reset();
raster_scale_controller_.reset();
// Has to happen before ~MruWindowTracker.
window_cycle_controller_.reset();
// As clients of `capture_mode_controller_`, `projector_controller_` and
// `game_dashboard_controller_` need to be destroyed before
// `capture_mode_controller_`.
projector_controller_.reset();
game_dashboard_controller_.reset();
// This must be called before `capture_mode_controller_` is destroyed. Note
// that 'capture' in `CaptureModeController` means 'screenshot capture, while
// 'capture' in `wm::CaptureController` means 'input capture'. Some windows
// like popup windows close themselves when losing 'input capture' but if
// 'screenshot capture' is in progress, they do not close themselves. For this
// reason, change of 'input capture' can cause a call to
// `CaptureModeController::Get()`. By calling `PrepareForShutdown()` here, it
// prevents `CaptureModeController::Get()` from being called after the object
// is destroyed.
wm::CaptureController::Get()->PrepareForShutdown();
// This must be destroyed before deleting all the windows below in
// `CloseAllRootWindowChildWindows()`, since shutting down the session will
// need to access those windows and it will be a UAF.
// https://crbug.com/1350711.
capture_mode_controller_.reset();
// Relies on `overview_controller`.
post_login_glanceables_metrics_reporter_.reset();
// Has to happen before `~MruWindowTracker` and after
// `~GameDashboardController`.
overview_controller_.reset();
// This must be called before deleting all the windows below in
// `CloseAllRootWindowChildWindows()` since host_windows(which gets destroyed)
// are needed for proper deletion of RoundedDisplayProviders.
window_tree_host_manager_->ShutdownRoundedDisplays();
// Close all widgets (including the shelf) and destroy all window containers.
CloseAllRootWindowChildWindows();
glanceables_controller_.reset();
tasks_controller_.reset();
multitask_menu_nudge_delegate_.reset();
tablet_mode_controller_.reset();
login_screen_controller_.reset();
// This must be destroyed before `message_center_controller_` in order to
// restore the original settings if a focus session was active. Also, this
// should be destroyed before `system_notification_controller_`, which could
// be indirectly called by `focus_mode_controller_` to update the DND
// notification.
focus_mode_controller_.reset();
system_notification_controller_.reset();
// Should be destroyed after Shelf and |system_notification_controller_|.
system_tray_model_.reset();
system_sounds_delegate_.reset();
// MultiDisplayMetricsController has a dependency on `mru_window_tracker_`.
multi_display_metrics_controller_.reset();
// MruWindowTracker must be destroyed after all windows have been deleted to
// avoid a possible crash when Shell is destroyed from a non-normal shutdown
// path. (crbug.com/485438).
mru_window_tracker_.reset();
// These need a valid Shell instance to clean up properly, so explicitly
// delete them before invalidating the instance.
// Alphabetical. TODO(oshima): sort.
autoclick_controller_.reset();
fullscreen_magnifier_controller_.reset();
tooltip_controller_.reset();
event_client_.reset();
toplevel_window_event_handler_.reset();
visibility_controller_.reset();
tray_action_.reset();
power_button_controller_.reset();
lock_state_controller_.reset();
backlights_forced_off_setter_.reset();
float_controller_.reset();
pip_controller_.reset();
screen_pinning_controller_.reset();
multidevice_notification_presenter_.reset();
resolution_notification_controller_.reset();
mouse_cursor_filter_.reset();
modality_filter_.reset();
touch_transformer_controller_.reset();
key_accessibility_enabler_.reset();
display_speaker_controller_.reset();
screen_switch_check_controller_.reset();
ScreenAsh::CreateScreenForShutdown();
display_configuration_controller_.reset();
// Needs to be destructed before `ime_controler_`.
keyboard_backlight_color_controller_.reset();
rgb_keyboard_manager_.reset();
ash_color_provider_.reset();
// Depends on `dark_light_mode_controller_` and `wallpaper_controller_` so it
// should be destroyed first.
color_palette_controller_.reset();
// Depends on `geolocation_controller_` and `wallpaper_controller_`, so it
// must be destructed before the geolocation controller and wallpaper
// controller.
dark_light_mode_controller_.reset();
// These members access Shell in their destructors.
wallpaper_controller_.reset();
accessibility_controller_.reset();
accessibility_delegate_.reset();
accessibility_focus_ring_controller_.reset();
policy_recommendation_restorer_.reset();
ime_controller_.reset();
back_gesture_event_handler_.reset();
// Balances the Install() in Initialize().
views::FocusManagerFactory::Install(nullptr);
// ShelfWindowWatcher has window observers and a pointer to the shelf model.
shelf_window_watcher_.reset();
// Removes itself as an observer of |pref_service_|.
shelf_controller_.reset();
// `CameraEffectsController` depends on `AutozoomController`, so it must be
// destructed before it.
camera_effects_controller_.reset();
// NightLightControllerImpl depends on the PrefService, the window tree host
// manager, and `geolocation_controller_`, so it must be destructed before
// them. crbug.com/724231.
night_light_controller_ = nullptr;
// Similarly for DockedMagnifierController.
docked_magnifier_controller_ = nullptr;
// Similarly for PrivacyScreenController.
privacy_screen_controller_ = nullptr;
// Similarly for AutozoomControllerImpl
autozoom_controller_ = nullptr;
geolocation_controller_.reset();
// NearbyShareDelegateImpl must be destroyed before SessionController and
// NearbyShareControllerImpl.
nearby_share_delegate_.reset();
nearby_share_controller_.reset();
// Stop observing window activation changes before closing all windows.
focus_controller_->RemoveObserver(this);
// Depends on shelf owned by RootWindowController so destroy this before the
// |window_tree_host_manager_|.
clipboard_history_controller_.reset();
// Should be destroyed after `clipbaord_history_controller_` and
// `autozoom_controller_` since they will destruct `SystemNudgeController`.
system_nudge_pause_manager_.reset();
// This also deletes all RootWindows. Note that we invoke Shutdown() on
// WindowTreeHostManager before resetting |window_tree_host_manager_|, since
// destruction of its owned RootWindowControllers relies on the value.
window_tree_host_manager_->Shutdown();
// Depends on |focus_controller_|, so must be destroyed before.
window_tree_host_manager_.reset();
// The desks controller is destroyed after the window tree host manager and
// before the focus controller. At this point it is guaranteed that querying
// the active desk is no longer needed.
desks_controller_.reset();
tab_cluster_ui_controller_.reset();
focus_rules_ = nullptr;
focus_controller_.reset();
screen_position_controller_.reset();
display_color_manager_.reset();
projecting_observer_.reset();
partial_magnifier_controller_.reset();
laser_pointer_controller_.reset();
if (display_change_observer_) {
display_manager_->configurator()->RemoveObserver(
display_change_observer_.get());
}
if (display_error_observer_) {
display_manager_->configurator()->RemoveObserver(
display_error_observer_.get());
}
display_change_observer_.reset();
display_shutdown_observer_.reset();
display_port_observer_.reset();
keyboard_controller_.reset();
// Depends on PowerStatus.
battery_saver_controller_.reset();
PowerStatus::Shutdown();
// Depends on SessionController.
power_event_observer_.reset();
session_controller_->RemoveObserver(this);
// TouchDevicesController depends on the PrefService and must be destructed
// before it.
touch_devices_controller_ = nullptr;
// DetachableBaseNotificationController depends on DetachableBaseHandler, and
// has to be destructed before it.
detachable_base_notification_controller_.reset();
// DetachableBaseHandler depends on the PrefService and must be destructed
// before it.
detachable_base_handler_.reset();
diagnostics_log_controller_.reset();
firmware_update_notification_controller_.reset();
firmware_update_manager_.reset();
pcie_peripheral_notification_controller_.reset();
usb_peripheral_notification_controller_.reset();
keyboard_capability_.reset();
message_center_ash_impl_.reset();
// Destroys the MessageCenter singleton, so must happen late.
message_center_controller_.reset();
// `HoldingSpaceController` observes `SessionController` and must be
// destructed before it.
holding_space_controller_.reset();
// `CalendarController` observes `SessionController` and must be destructed
// before it.
calendar_controller_.reset();
audio_effects_controller_.reset();
shell_delegate_.reset();
multi_capture_service_client_.reset();
// Observes `SessionController` and must be destroyed before it.
federated_service_controller_.reset();
UsbguardClient::Shutdown();
// Must be shut down after detachable_base_handler_.
HammerdClient::Shutdown();
if (FwupdClient::Get()) {
FwupdClient::Shutdown();
}
for (auto& observer : shell_observers_) {
observer.OnShellDestroyed();
}
DCHECK(instance_ == this);
instance_ = nullptr;
}
void Shell::Init(
ui::ContextFactory* context_factory,
PrefService* local_state,
std::unique_ptr<keyboard::KeyboardUIFactory> keyboard_ui_factory,
std::unique_ptr<ash::quick_pair::Mediator::Factory>
quick_pair_mediator_factory,
scoped_refptr<dbus::Bus> dbus_bus,
std::unique_ptr<display::NativeDisplayDelegate> native_display_delegate) {
native_display_delegate_ = std::move(native_display_delegate);
login_unlock_throughput_recorder_ =
std::make_unique<LoginUnlockThroughputRecorder>();
// Required by DetachableBaseHandler.
chromeos::InitializeDBusClient<HammerdClient>(dbus_bus.get());
chromeos::InitializeDBusClient<UsbguardClient>(dbus_bus.get());
local_state_ = local_state;
if (local_state_ != nullptr) {
// Only construct BatterySaverController if prefs exists. It uses prefs to
// store the battery saver state, so testing its functionality without
// prefs doesn't make sense.
if (features::IsBatterySaverAvailable()) {
battery_saver_controller_ =
std::make_unique<BatterySaverController>(local_state_);
} else {
// It's possible that we have a new Chrome without battery saver mode
// available, but still have battery saver running because the previous
// chrome did. So unconditionally reset battery saver state.
BatterySaverController::ResetState(local_state_);
}
}
// This creates the MessageCenter object which is used by some other objects
// initialized here, so it needs to come early.
message_center_controller_ = std::make_unique<MessageCenterController>();
message_center_ash_impl_ = std::make_unique<MessageCenterAshImpl>();
// Initialized early since it is used by some other objects.
keyboard_capability_ = std::make_unique<ui::KeyboardCapability>();
// These controllers call Shell::Get() in their constructors, so they cannot
// be in the member initialization list.
touch_devices_controller_ = std::make_unique<TouchDevicesController>();
detachable_base_handler_ =
std::make_unique<DetachableBaseHandler>(local_state_);
detachable_base_notification_controller_ =
std::make_unique<DetachableBaseNotificationController>(
detachable_base_handler_.get());
display_speaker_controller_ = std::make_unique<DisplaySpeakerController>();
policy_recommendation_restorer_ =
std::make_unique<PolicyRecommendationRestorer>();
screen_switch_check_controller_ =
std::make_unique<ScreenSwitchCheckController>();
multidevice_notification_presenter_ =
std::make_unique<MultiDeviceNotificationPresenter>(
message_center::MessageCenter::Get());
media_controller_ = std::make_unique<MediaControllerImpl>();
media_notification_provider_ =
shell_delegate_->CreateMediaNotificationProvider();
tablet_mode_controller_ = std::make_unique<TabletModeController>();
rgb_keyboard_manager_ =
std::make_unique<RgbKeyboardManager>(ime_controller_.get());
// Observes the tablet mode controller if any hps feature is enabled.
if (features::IsSnoopingProtectionEnabled() ||
features::IsQuickDimEnabled()) {
human_presence_orientation_controller_ =
std::make_unique<HumanPresenceOrientationController>();
}
// Construct SnoopingProtectionController, must be constructed after
// HumanPresenceOrientationController.
if (features::IsSnoopingProtectionEnabled()) {
snooping_protection_controller_ =
std::make_unique<SnoopingProtectionController>();
}
// Manages lifetime of DiagnosticApp logs.
diagnostics_log_controller_ =
std::make_unique<diagnostics::DiagnosticsLogController>();
pcie_peripheral_notification_controller_ =
std::make_unique<PciePeripheralNotificationController>(
message_center::MessageCenter::Get());
usb_peripheral_notification_controller_ =
std::make_unique<UsbPeripheralNotificationController>(
message_center::MessageCenter::Get());
accessibility_focus_ring_controller_ =
std::make_unique<AccessibilityFocusRingControllerImpl>();
accessibility_delegate_.reset(shell_delegate_->CreateAccessibilityDelegate());
accessibility_controller_ = std::make_unique<AccessibilityControllerImpl>();
toast_manager_ = std::make_unique<ToastManagerImpl>();
anchored_nudge_manager_ = std::make_unique<AnchoredNudgeManagerImpl>();
system_nudge_pause_manager_ = std::make_unique<SystemNudgePauseManagerImpl>();
peripheral_battery_listener_ = std::make_unique<PeripheralBatteryListener>();
peripheral_battery_notifier_ = std::make_unique<PeripheralBatteryNotifier>(
peripheral_battery_listener_.get());
power_event_observer_ = std::make_unique<PowerEventObserver>();
window_cycle_controller_ = std::make_unique<WindowCycleController>();
capture_mode_controller_ = std::make_unique<CaptureModeController>(
shell_delegate_->CreateCaptureModeDelegate());
// Accelerometer file reader starts listening to tablet mode controller.
AccelerometerReader::GetInstance()->StartListenToTabletModeController();
// Install the custom factory early on so that views::FocusManagers for Tray,
// Shelf, and WallPaper could be created by the factory.
views::FocusManagerFactory::Install(new AshFocusManagerFactory);
wallpaper_controller_ = WallpaperControllerImpl::Create(local_state_);
// Initialized after |rgb_keyboard_manager_| to observe the state of rgb
// keyboard and |wallpaper_controller_| because we will need to observe when
// the extracted wallpaper color changes.
keyboard_backlight_color_controller_ =
std::make_unique<KeyboardBacklightColorController>(local_state_);
native_cursor_manager_ = new NativeCursorManagerAsh;
cursor_manager_ = std::make_unique<CursorManager>(
base::WrapUnique(native_cursor_manager_.get()));
InitializeDisplayManager();
// RefreshFontParams depends on display prefs.
display_manager_->RefreshFontParams();
// This will initialize aura::Env which requires |display_manager_| to
// be initialized first.
aura::Env* env = aura::Env::GetInstance();
if (context_factory) {
env->set_context_factory(context_factory);
}
ash_color_provider_ = std::make_unique<AshColorProvider>();
ui::ColorProviderManager::Get().AppendColorProviderInitializer(
base::BindRepeating(AddCrosStylesColorMixer));
ui::ColorProviderManager::Get().AppendColorProviderInitializer(
base::BindRepeating(AddAshColorMixer));
// Geolocation controller needs to be created before any `ScheduledFeature`
// subclasses such as night light and dark mode controllers because
// `ScheduledFeature` ctor will access `geolocation_controller_` from
// `Shell`.
geolocation_controller_ = std::make_unique<GeolocationController>(
SimpleGeolocationProvider::GetInstance());
// Night Light depends on the display manager, the display color manager,
// aura::Env, and geolocation controller, so initialize it after all have
// been initialized.
night_light_controller_ = std::make_unique<NightLightControllerImpl>();
dark_light_mode_controller_ = std::make_unique<DarkLightModeControllerImpl>();
color_palette_controller_ =
ColorPaletteController::Create(dark_light_mode_controller_.get(),
wallpaper_controller_.get(), local_state_);
// Privacy Screen depends on the display manager, so initialize it after
// display manager was properly initialized.
privacy_screen_controller_ = std::make_unique<PrivacyScreenController>();
if (media::ShouldEnableAutoFraming()) {
autozoom_controller_ = std::make_unique<AutozoomControllerImpl>();
}
// Fast Pair depends on the display manager, so initialize it after
// display manager was properly initialized.
if (base::FeatureList::IsEnabled(features::kFastPair) &&
quick_pair_mediator_factory) {
quick_pair_mediator_ = quick_pair_mediator_factory->BuildInstance();
}
// The WindowModalityController needs to be at the front of the input event
// pretarget handler list to ensure that it processes input events when modal
// windows are active.
window_modality_controller_ =
std::make_unique<::wm::WindowModalityController>(this, env);
input_device_key_alias_manager_ =
std::make_unique<InputDeviceKeyAliasManager>();
// The `InputDeviceSettingsController` is a dependency of the following so it
// must be initialized first:
// - `EventRewriterController`
// - `InputDeviceTracker`
// - `KeyboardModifierMetricsRecorder`
// - `InputDeviceSettingsDispatcher`
input_device_settings_controller_ =
std::make_unique<InputDeviceSettingsControllerImpl>(local_state_);
input_device_tracker_ = std::make_unique<InputDeviceTracker>();
input_device_settings_dispatcher_ =
std::make_unique<InputDeviceSettingsDispatcher>(
ui::OzonePlatform::GetInstance()->GetInputController());
keyboard_modifier_metrics_recorder_ =
std::make_unique<KeyboardModifierMetricsRecorder>();
event_rewriter_controller_ = std::make_unique<EventRewriterControllerImpl>();
env_filter_ = std::make_unique<::wm::CompoundEventFilter>();
AddPreTargetHandler(env_filter_.get());
// FocusController takes ownership of AshFocusRules.
focus_rules_ = new AshFocusRules();
focus_controller_ = std::make_unique<::wm::FocusController>(focus_rules_);
focus_controller_->AddObserver(this);
// `WindowBoundsTracker` depends on `FocusController`, as it needs to track
// the window's activation changes.
if (features::IsWindowBoundsTrackerEnabled()) {
window_bounds_tracker_ = std::make_unique<WindowBoundsTracker>();
}
overview_controller_ = std::make_unique<OverviewController>();
// `GameDashboardController` has dependencies on `OverviewController` and
// `CaptureModeController`.
if (features::IsGameDashboardEnabled()) {
game_dashboard_controller_ = std::make_unique<GameDashboardController>(
shell_delegate_->CreateGameDashboardDelegate());
}
// `SnapGroupController` has dependencies on `OverviweController` and
// `TabletModeController`.
if (features::IsSnapGroupEnabled()) {
snap_group_controller_ = std::make_unique<SnapGroupController>();
}
screen_position_controller_ = std::make_unique<ScreenPositionController>();
frame_throttling_controller_ = std::make_unique<FrameThrottlingController>(
context_factory->GetHostFrameSinkManager());
if (features::IsTabClusterUIEnabled()) {
tab_cluster_ui_controller_ = std::make_unique<TabClusterUIController>();
}
window_tree_host_manager_->Start();
AshWindowTreeHostInitParams ash_init_params;
window_tree_host_manager_->CreatePrimaryHost(ash_init_params);
// Create the desks controller right after the window tree host manager is
// started, and before anything else is created, including the initialization
// of the hosts and the root window controllers. Many things may need to query
// the active desk, even at this early stage. For this the controller must be
// present at all times. The desks controller also depends on the focus
// controller.
desks_controller_ = std::make_unique<DesksController>();
saved_desk_delegate_ = shell_delegate_->CreateSavedDeskDelegate();
// Initialized here since it depends on desks.
if (base::FeatureList::IsEnabled(features::kAppLaunchAutomation)) {
saved_desk_controller_ = std::make_unique<SavedDeskController>();
}
Shell::SetRootWindowForNewWindows(GetPrimaryRootWindow());
resolution_notification_controller_ =
std::make_unique<ResolutionNotificationController>();
cursor_manager_->SetDisplay(
display::Screen::GetScreen()->GetPrimaryDisplay());
// Initialize before AcceleratorController and AshAcceleratorConfiguration.
accelerator_prefs_ = std::make_unique<AcceleratorPrefs>(
shell_delegate_->CreateAcceleratorPrefsDelegate());
// Must be initialized after InputMethodManager.
accelerator_keycode_lookup_cache_ =
std::make_unique<AcceleratorKeycodeLookupCache>();
ash_accelerator_configuration_ =
std::make_unique<AshAcceleratorConfiguration>();
ash_accelerator_configuration_->Initialize();
accelerator_controller_ = std::make_unique<AcceleratorControllerImpl>(
ash_accelerator_configuration_.get());
clipboard_history_controller_ =
std::make_unique<ClipboardHistoryControllerImpl>(
shell_delegate_->CreateClipboardHistoryControllerDelegate());
// `HoldingSpaceController` must be instantiated before the shelf.
holding_space_controller_ = std::make_unique<HoldingSpaceController>();
calendar_controller_ = std::make_unique<CalendarController>();
if (features::IsVideoConferenceEnabled()) {
camera_effects_controller_ = std::make_unique<CameraEffectsController>();
audio_effects_controller_ = std::make_unique<AudioEffectsController>();
}
shelf_config_ = std::make_unique<ShelfConfig>();
shelf_controller_ = std::make_unique<ShelfController>();
shell_tab_handler_ = std::make_unique<ShellTabHandler>(this);
AddPreTargetHandler(shell_tab_handler_.get());
magnifier_key_scroll_handler_ = MagnifierKeyScroller::CreateHandler();
AddPreTargetHandler(magnifier_key_scroll_handler_.get());
speech_feedback_handler_ = SpokenFeedbackToggler::CreateHandler();
AddPreTargetHandler(speech_feedback_handler_.get());
// The order in which event filters are added is significant.
// ui::UserActivityDetector passes events to observers, so let them get
// rewritten first.
user_activity_detector_ = std::make_unique<ui::UserActivityDetector>();
control_v_histogram_recorder_ = std::make_unique<ControlVHistogramRecorder>();
AddPreTargetHandler(control_v_histogram_recorder_.get(),
ui::EventTarget::Priority::kAccessibility);
// AcceleratorTracker should be placed before AcceleratorFilter to make sure
// the accelerators won't be filtered out before getting AcceleratorTracker.
accelerator_tracker_ = std::make_unique<AcceleratorTracker>(
base::make_span(kAcceleratorTrackerList, kAcceleratorTrackerListLength));
AddPreTargetHandler(accelerator_tracker_.get());
accelerator_filter_ = std::make_unique<::wm::AcceleratorFilter>(
std::make_unique<PreTargetAcceleratorHandler>());
AddPreTargetHandler(accelerator_filter_.get());
event_transformation_handler_ =
std::make_unique<EventTransformationHandler>();
AddPreTargetHandler(event_transformation_handler_.get());
back_gesture_event_handler_ = std::make_unique<BackGestureEventHandler>();
AddPreTargetHandler(back_gesture_event_handler_.get());
toplevel_window_event_handler_ =
std::make_unique<ToplevelWindowEventHandler>();
system_gesture_filter_ = std::make_unique<SystemGestureEventFilter>();
AddPreTargetHandler(system_gesture_filter_.get());
sticky_keys_controller_ = std::make_unique<StickyKeysController>();
screen_pinning_controller_ = std::make_unique<ScreenPinningController>();
power_prefs_ = std::make_unique<PowerPrefs>(
chromeos::PowerPolicyController::Get(),
chromeos::PowerManagerClient::Get(), local_state_);
backlights_forced_off_setter_ = std::make_unique<BacklightsForcedOffSetter>();
tray_action_ =
std::make_unique<TrayAction>(backlights_forced_off_setter_.get());
lock_state_controller_ = std::make_unique<LockStateController>(
shutdown_controller_.get(), local_state_);
power_button_controller_ = std::make_unique<PowerButtonController>(
backlights_forced_off_setter_.get());
// Pass the initial display state to PowerButtonController.
power_button_controller_->OnDisplayModeChanged(
display_configurator()->cached_displays());
drag_drop_controller_ = std::make_unique<DragDropController>();
mouse_cursor_filter_ = std::make_unique<MouseCursorEventFilter>();
AddAccessibilityEventHandler(
mouse_cursor_filter_.get(),
AccessibilityEventHandlerManager::HandlerType::kCursor);
if (features::IsAdaptiveChargingEnabled()) {
adaptive_charging_controller_ =
std::make_unique<AdaptiveChargingController>();
}
// Create Controllers that may need root window.
// TODO(oshima): Move as many controllers before creating
// RootWindowController as possible.
visibility_controller_ = std::make_unique<AshVisibilityController>();
laser_pointer_controller_ = std::make_unique<LaserPointerController>();
partial_magnifier_controller_ =
std::make_unique<PartialMagnifierController>();
fullscreen_magnifier_controller_ =
std::make_unique<FullscreenMagnifierController>();
mru_window_tracker_ = std::make_unique<MruWindowTracker>();
assistant_controller_ = std::make_unique<AssistantControllerImpl>();
// MultiDisplayMetricsController has a dependency on `mru_window_tracker_`.
multi_display_metrics_controller_ =
std::make_unique<MultiDisplayMetricsController>();
mojo::PendingRemote<device::mojom::Fingerprint> ambient_fingerprint;
shell_delegate_->BindFingerprint(
ambient_fingerprint.InitWithNewPipeAndPassReceiver());
ambient_controller_ =
std::make_unique<AmbientController>(std::move(ambient_fingerprint));
mojo::PendingRemote<video_capture::mojom::MultiCaptureService>
multi_capture_service;
shell_delegate_->BindMultiCaptureService(
multi_capture_service.InitWithNewPipeAndPassReceiver());
multi_capture_service_client_ = std::make_unique<MultiCaptureServiceClient>(
std::move(multi_capture_service));
// |tablet_mode_controller_| |mru_window_tracker_|, and
// |assistant_controller_| are put before |app_list_controller_| as they are
// used in its constructor.
app_list_controller_ = std::make_unique<AppListControllerImpl>();
autoclick_controller_ = std::make_unique<AutoclickController>();
color_enhancement_controller_ =
std::make_unique<ColorEnhancementController>();
security_curtain_controller_ =
std::make_unique<curtain::SecurityCurtainControllerImpl>(this);
docked_magnifier_controller_ = std::make_unique<DockedMagnifierController>();
video_detector_ = std::make_unique<VideoDetector>();
tooltip_controller_ = std::make_unique<views::corewm::TooltipController>(
std::make_unique<views::corewm::TooltipAura>(
base::BindRepeating(&StyleUtil::CreateAshStyleTooltipView)),
activation_client());
AddPreTargetHandler(tooltip_controller_.get());
modality_filter_ = std::make_unique<SystemModalContainerEventFilter>(this);
AddPreTargetHandler(modality_filter_.get());
if (features::IsPeripheralCustomizationEnabled() ||
::features::IsShortcutCustomizationEnabled()) {
shortcut_input_handler_ = std::make_unique<ShortcutInputHandler>();
AddPreTargetHandler(shortcut_input_handler_.get());
}
event_client_ = std::make_unique<EventClientImpl>();
resize_shadow_controller_ = std::make_unique<ResizeShadowController>();
raster_scale_controller_ = std::make_unique<RasterScaleController>();
shadow_controller_ = std::make_unique<::wm::ShadowController>(
focus_controller_.get(), std::make_unique<WmShadowControllerDelegate>(),
env);
logout_confirmation_controller_ =
std::make_unique<LogoutConfirmationController>();
// Create AshTouchTransformController before
// WindowTreeHostManager::InitDisplays()
// since AshTouchTransformController listens on
// WindowTreeHostManager::Observer::OnDisplaysInitialized().
touch_transformer_controller_ = std::make_unique<AshTouchTransformController>(
display_manager_.get(),
std::make_unique<display::DefaultTouchTransformSetter>());
// |system_tray_model_| should be available before
// |system_notification_controller_| is initialized and Shelf is created by
// WindowTreeHostManager::InitHosts.
system_tray_model_ = std::make_unique<SystemTrayModel>();
// The |shelf_config_| needs |app_list_controller_| and |system_tray_model_|
// to initialize itself.
shelf_config_->Init();
// The `shelf_controller_` needs `app_list_controller_` to initialize
// launcher_nudge_controller_.
shelf_controller_->Init();
nearby_share_controller_ = std::make_unique<NearbyShareControllerImpl>();
nearby_share_delegate_ = shell_delegate_->CreateNearbyShareDelegate(
nearby_share_controller_.get());
// System sounds delegate should be initialized before
// `SystemNotificationController` is created, because
// `SystemNotificationController` ctor will creat an instance of
// `PowerSoundsController`, which will access and play the initialized sounds.
if (features::AreSystemSoundsEnabled()) {
system_sounds_delegate_ = shell_delegate_->CreateSystemSoundsDelegate();
system_sounds_delegate_->Init();
}
privacy_hub_controller_ = PrivacyHubController::CreatePrivacyHubController();
// One of the subcontrollers accesses the SystemNotificationController.
system_notification_controller_ =
std::make_unique<SystemNotificationController>();
if (features::IsFocusModeEnabled()) {
focus_mode_controller_ = std::make_unique<FocusModeController>();
}
// WmModeController should be created before initializing the window tree
// hosts, since the latter will initialize the shelf on each display, which
// hosts the WM mode tray button.
if (features::IsWmModeEnabled()) {
wm_mode_controller_ = std::make_unique<WmModeController>();
}
if (features::IsHotspotEnabled()) {
hotspot_icon_animation_ = std::make_unique<HotspotIconAnimation>();
hotspot_info_cache_ = std::make_unique<HotspotInfoCache>();
}
window_tree_host_manager_->InitHosts();
if (ash::features::IsBootAnimationEnabled()) {
booting_animation_controller_ =
std::make_unique<BootingAnimationController>();
}
// Create virtual keyboard after WindowTreeHostManager::InitHosts() since
// it may enable the virtual keyboard immediately, which requires a
// WindowTreeHostManager to host the keyboard window.
keyboard_controller_->CreateVirtualKeyboard(std::move(keyboard_ui_factory));
// Create window restore controller after `WindowTreeHostManager::InitHosts()`
// since it may need to add observers to root windows.
window_restore_controller_ = std::make_unique<WindowRestoreController>();
static_cast<CursorManager*>(cursor_manager_.get())->Init();
mojo::PendingRemote<device::mojom::Fingerprint> fingerprint;
shell_delegate_->BindFingerprint(
fingerprint.InitWithNewPipeAndPassReceiver());
user_activity_notifier_ =
std::make_unique<ui::UserActivityPowerManagerNotifier>(
user_activity_detector_.get(), std::move(fingerprint));
video_activity_notifier_ =
std::make_unique<VideoActivityNotifier>(video_detector_.get());
bluetooth_state_cache_ = std::make_unique<BluetoothStateCache>();
bluetooth_device_status_ui_handler_ =
std::make_unique<BluetoothDeviceStatusUiHandler>();
bluetooth_notification_controller_ =
std::make_unique<BluetoothNotificationController>(
message_center::MessageCenter::Get());
screen_orientation_controller_ =
std::make_unique<ScreenOrientationController>();
cros_display_config_ = std::make_unique<CrosDisplayConfig>();
screen_layout_observer_ = std::make_unique<ScreenLayoutObserver>();
sms_observer_ = std::make_unique<SmsObserver>();
snap_controller_ = std::make_unique<SnapControllerImpl>();
key_accessibility_enabler_ = std::make_unique<KeyAccessibilityEnabler>();
// The compositor thread and main message loop have to be running in
// order to create mirror window. Run it after the main message loop
// is started.
display_manager_->CreateMirrorWindowAsyncIfAny();
// TODO(1091497): Consider combining DisplayHighlightController and
// DisplayAlignmentController.
display_highlight_controller_ =
std::make_unique<DisplayHighlightController>();
if (features::IsDisplayAlignmentAssistanceEnabled()) {
display_alignment_controller_ =
std::make_unique<DisplayAlignmentController>();
}
if (features::AreGlanceablesV2Enabled() ||
features::AreGlanceablesV2EnabledForTrustedTesters()) {
glanceables_controller_ = std::make_unique<GlanceablesController>();
}
post_login_glanceables_metrics_reporter_ =
std::make_unique<PostLoginGlanceablesMetricsRecorder>();
if (features::IsFocusModeEnabled()) {
tasks_controller_ = std::make_unique<api::TasksController>(
shell_delegate_->CreateTasksDelegate());
}
projector_controller_ = std::make_unique<ProjectorControllerImpl>();
float_controller_ = std::make_unique<FloatController>();
pip_controller_ = std::make_unique<PipController>();
multitask_menu_nudge_delegate_ =
std::make_unique<MultitaskMenuNudgeDelegateAsh>();
if (features::IsFederatedServiceEnabled()) {
federated_service_controller_ =
std::make_unique<federated::FederatedServiceControllerImpl>();
}
if (features::IsUserEducationEnabled()) {
user_education_controller_ = std::make_unique<UserEducationController>(
shell_delegate_->CreateUserEducationDelegate());
}
if (features::IsCoralFeatureEnabled() &&
CoralController::IsSecretKeyMatched()) {
coral_controller_ = std::make_unique<CoralController>();
}
if (features::IsPickerUpdateEnabled() &&
PickerController::IsFeatureKeyMatched()) {
picker_controller_ = std::make_unique<PickerController>();
}
// Injects the factory which fulfills the implementation of the text context
// menu exclusive to CrOS.
views::ViewsTextServicesContextMenuChromeos::SetImplFactory(
base::BindRepeating(
[](ui::SimpleMenuModel* menu_model, views::Textfield* textfield)
-> std::unique_ptr<views::ViewsTextServicesContextMenu> {
return std::make_unique<ViewsTextServicesContextMenuAsh>(menu_model,
textfield);
}));
// Sets the implementation of clipboard history utility functions.
// It is safe to pass `clipboard_history_controller_` raw pointer here.
// Because the function implementation is reset before
// `clipboard_history_controller_` is destroyed.
chromeos::clipboard_history::SetQueryItemDescriptorsImpl(base::BindRepeating(
[](ClipboardHistoryControllerImpl* controller) {
std::vector<crosapi::mojom::ClipboardHistoryItemDescriptor> descriptors;
if (clipboard_history_util::IsEnabledInCurrentMode()) {
const auto& items = controller->history()->GetItems();
descriptors.reserve(items.size());
base::ranges::transform(items, std::back_inserter(descriptors),
&clipboard_history_util::ItemToDescriptor);
}
return descriptors;
},
clipboard_history_controller_.get()));
chromeos::clipboard_history::SetPasteClipboardItemByIdImpl(
base::BindRepeating(
[](const base::UnguessableToken& id, int event_flags,
crosapi::mojom::ClipboardHistoryControllerShowSource show_source) {
ClipboardHistoryController::Get()->PasteClipboardItemById(
id.ToString(), event_flags, show_source);
}));
for (auto& observer : shell_observers_) {
observer.OnShellInitialized();
}
user_metrics_recorder_->OnShellInitialized();
occlusion_tracker_pauser_ = std::make_unique<OcclusionTrackerPauser>();
// Initialize the D-Bus bus and services for ash.
dbus_bus_ = dbus_bus;
ash_dbus_services_ = std::make_unique<AshDBusServices>(dbus_bus.get());
}
void Shell::InitializeDisplayManager() {
if (!native_display_delegate_) {
native_display_delegate_ =
ui::OzonePlatform::GetInstance()->CreateNativeDisplayDelegate();
}
display_manager_->InitConfigurator(std::move(native_display_delegate_));
display_configuration_controller_ =
std::make_unique<DisplayConfigurationController>(
display_manager_.get(), window_tree_host_manager_.get());
display_configuration_observer_ =
std::make_unique<DisplayConfigurationObserver>();
// `window_bounds_tracker_` will be used to remap or restore windows on
// display removal, reconnection and rotation if the corresponding flag is
// enabled.
if (!features::IsWindowBoundsTrackerEnabled()) {
persistent_window_controller_ =
std::make_unique<PersistentWindowController>();
}
projecting_observer_ =
std::make_unique<ProjectingObserver>(display_manager_->configurator());
display_prefs_ = std::make_unique<DisplayPrefs>(local_state_);
bool display_initialized = display_manager_->InitFromCommandLine();
if (!display_initialized) {
if (base::SysInfo::IsRunningOnChromeOS()) {
display_change_observer_ =
std::make_unique<display::DisplayChangeObserver>(
display_manager_.get());
display_error_observer_ = std::make_unique<DisplayErrorObserver>();
display_shutdown_observer_ = std::make_unique<DisplayShutdownObserver>(
display_manager_->configurator());
display_manager_->ForceInitialConfigureWithObservers(
display_change_observer_.get(), display_error_observer_.get());
display_initialized = true;
}
}
display_color_manager_ =
std::make_unique<DisplayColorManager>(display_manager_->configurator());
display_port_observer_ = std::make_unique<display::DisplayPortObserver>(
display_manager_->configurator(),
base::BindRepeating([](const std::vector<uint32_t>& port_nums) {
TypecdClient::Get()->SetTypeCPortsUsingDisplays(port_nums);
}));
if (!display_initialized) {
display_manager_->InitDefaultDisplay();
}
}
void Shell::InitRootWindow(aura::Window* root_window) {
DCHECK(focus_controller_);
DCHECK(visibility_controller_.get());
aura::client::SetFocusClient(root_window, focus_controller_.get());
::wm::SetActivationClient(root_window, focus_controller_.get());
root_window->AddPreTargetHandler(focus_controller_.get());
aura::client::SetVisibilityClient(root_window, visibility_controller_.get());
aura::client::SetDragDropClient(root_window, drag_drop_controller_.get());
aura::client::SetScreenPositionClient(root_window,
screen_position_controller_.get());
aura::client::SetCursorClient(root_window, cursor_manager_.get());
::wm::SetTooltipClient(root_window, tooltip_controller_.get());
aura::client::SetEventClient(root_window, event_client_.get());
::wm::SetWindowMoveClient(root_window, toplevel_window_event_handler_.get());
root_window->AddPreTargetHandler(toplevel_window_event_handler_.get());
root_window->AddPostTargetHandler(toplevel_window_event_handler_.get());
}
void Shell::CloseAllRootWindowChildWindows() {
for (aura::Window* root : GetAllRootWindows()) {
RootWindowController* controller = RootWindowController::ForWindow(root);
if (controller) {
controller->CloseChildWindows();
} else {
while (!root->children().empty()) {
aura::Window* child = root->children()[0];
delete child;
}
}
}
}
bool Shell::CanWindowReceiveEvents(aura::Window* window) {
RootWindowControllerList controllers = GetAllRootWindowControllers();
for (RootWindowController* controller : controllers) {
if (controller->CanWindowReceiveEvents(window)) {
return true;
}
}
return false;
}
////////////////////////////////////////////////////////////////////////////////
// Shell, ui::EventTarget overrides:
bool Shell::CanAcceptEvent(const ui::Event& event) {
return true;
}
ui::EventTarget* Shell::GetParentTarget() {
return aura::Env::GetInstance();
}
std::unique_ptr<ui::EventTargetIterator> Shell::GetChildIterator() const {
return nullptr;
}
ui::EventTargeter* Shell::GetEventTargeter() {
NOTREACHED();
return nullptr;
}
void Shell::OnWindowActivated(
::wm::ActivationChangeObserver::ActivationReason reason,
aura::Window* gained_active,
aura::Window* lost_active) {
if (!gained_active) {
return;
}
Shell::SetRootWindowForNewWindows(gained_active->GetRootWindow());
}
void Shell::OnFirstSessionStarted() {
// Enable magnifier scroll keys as there may be no mouse cursor in kiosk mode.
MagnifierKeyScroller::SetEnabled(session_controller_->IsRunningInAppMode());
// Enable long press action to toggle spoken feedback with hotrod remote
// which can't handle shortcuts.
SpokenFeedbackToggler::SetEnabled(session_controller_->IsRunningInAppMode());
// Reset user prefs related to contextual tooltips.
if (switches::ContextualNudgesResetShownCount()) {
contextual_tooltip::ClearPrefs();
}
// The launcher is not available before login, so start tracking usage after
// the session starts.
app_list_feature_usage_metrics_ =
std::make_unique<AppListFeatureUsageMetrics>();
}
void Shell::OnSessionStateChanged(session_manager::SessionState state) {
const bool is_session_active = state == session_manager::SessionState::ACTIVE;
// Initialize the |shelf_window_watcher_| when a session becomes active.
// Shelf itself is initialized in RootWindowController.
if (is_session_active && !shelf_window_watcher_) {
shelf_window_watcher_ =
std::make_unique<ShelfWindowWatcher>(shelf_controller()->model());
}
// Initialize the fwupd (firmware updater) DBus client only when the user
// session is active. Since the fwupd service is only relevant during an
// active user session, this prevents a bug in which the service would start
// up earlier than expected and causes a delay during boot.
// See b/250002264 for more details.
if (is_session_active && !FwupdClient::Get() &&
!firmware_update_notification_controller_ &&
!features::IsBlockFwupdClientEnabled()) {
chromeos::InitializeDBusClient<FwupdClient>(dbus_bus_.get());
firmware_update_manager_ = std::make_unique<FirmwareUpdateManager>();
// The notification controller is registered as an observer before
// requesting updates to allow a notification to be shown if a critical
// firmware update is found.
firmware_update_notification_controller_ =
std::make_unique<FirmwareUpdateNotificationController>(
message_center::MessageCenter::Get());
firmware_update_manager_->RequestAllUpdates();
}
// Disable drag-and-drop during OOBE and GAIA login screens by only enabling
// the controller when the session is active. https://crbug.com/464118
drag_drop_controller_->set_enabled(is_session_active);
}
void Shell::OnLoginStatusChanged(LoginStatus login_status) {
UpdateAfterLoginStatusChange(login_status);
}
void Shell::OnLockStateChanged(bool locked) {
#ifndef NDEBUG
// Make sure that there is no system modal in Lock layer when unlocked.
if (!locked) {
aura::Window::Windows containers = GetContainersForAllRootWindows(
kShellWindowId_LockSystemModalContainer, GetPrimaryRootWindow());
for (aura::Window* container : containers) {
DCHECK(container->children().empty());
}
}
#endif
}
} // namespace ash