1 // Copyright 2012 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
12 #include "ash/accelerators/accelerator_controller_impl.h"
13 #include "ash/accelerators/ash_accelerator_configuration.h"
14 #include "ash/accelerators/ash_focus_manager_factory.h"
15 #include "ash/accelerators/magnifier_key_scroller.h"
16 #include "ash/accelerators/pre_target_accelerator_handler.h"
17 #include "ash/accelerators/spoken_feedback_toggler.h"
18 #include "ash/accelerometer/accelerometer_reader.h"
19 #include "ash/accessibility/accessibility_controller_impl.h"
20 #include "ash/accessibility/accessibility_delegate.h"
21 #include "ash/accessibility/autoclick/autoclick_controller.h"
22 #include "ash/accessibility/chromevox/key_accessibility_enabler.h"
23 #include "ash/accessibility/magnifier/docked_magnifier_controller.h"
24 #include "ash/accessibility/magnifier/fullscreen_magnifier_controller.h"
25 #include "ash/accessibility/magnifier/partial_magnifier_controller.h"
26 #include "ash/accessibility/sticky_keys/sticky_keys_controller.h"
27 #include "ash/accessibility/ui/accessibility_focus_ring_controller_impl.h"
28 #include "ash/ambient/ambient_controller.h"
29 #include "ash/app_list/app_list_controller_impl.h"
30 #include "ash/app_list/app_list_feature_usage_metrics.h"
31 #include "ash/assistant/assistant_controller_impl.h"
32 #include "ash/calendar/calendar_controller.h"
33 #include "ash/capture_mode/capture_mode_controller.h"
34 #include "ash/child_accounts/parent_access_controller_impl.h"
35 #include "ash/clipboard/clipboard_history_controller_impl.h"
36 #include "ash/clipboard/control_v_histogram_recorder.h"
37 #include "ash/color_enhancement/color_enhancement_controller.h"
38 #include "ash/constants/ash_features.h"
39 #include "ash/constants/ash_switches.h"
40 #include "ash/controls/contextual_tooltip.h"
41 #include "ash/curtain/security_curtain_controller_impl.h"
42 #include "ash/dbus/ash_dbus_services.h"
43 #include "ash/detachable_base/detachable_base_handler.h"
44 #include "ash/detachable_base/detachable_base_notification_controller.h"
45 #include "ash/display/cros_display_config.h"
46 #include "ash/display/cursor_window_controller.h"
47 #include "ash/display/display_alignment_controller.h"
48 #include "ash/display/display_color_manager.h"
49 #include "ash/display/display_configuration_controller.h"
50 #include "ash/display/display_configuration_observer.h"
51 #include "ash/display/display_error_observer.h"
52 #include "ash/display/display_highlight_controller.h"
53 #include "ash/display/display_prefs.h"
54 #include "ash/display/display_shutdown_observer.h"
55 #include "ash/display/event_transformation_handler.h"
56 #include "ash/display/mouse_cursor_event_filter.h"
57 #include "ash/display/persistent_window_controller.h"
58 #include "ash/display/privacy_screen_controller.h"
59 #include "ash/display/projecting_observer.h"
60 #include "ash/display/refresh_rate_throttle_controller.h"
61 #include "ash/display/resolution_notification_controller.h"
62 #include "ash/display/screen_ash.h"
63 #include "ash/display/screen_orientation_controller.h"
64 #include "ash/display/screen_position_controller.h"
65 #include "ash/display/window_tree_host_manager.h"
66 #include "ash/drag_drop/drag_drop_controller.h"
67 #include "ash/events/event_rewriter_controller_impl.h"
68 #include "ash/fast_ink/laser/laser_pointer_controller.h"
69 #include "ash/focus_cycler.h"
70 #include "ash/frame/non_client_frame_view_ash.h"
71 #include "ash/frame/snap_controller_impl.h"
72 #include "ash/frame_throttler/frame_throttling_controller.h"
73 #include "ash/glanceables/glanceables_controller.h"
74 #include "ash/glanceables/glanceables_delegate.h"
75 #include "ash/highlighter/highlighter_controller.h"
76 #include "ash/host/ash_window_tree_host_init_params.h"
77 #include "ash/hud_display/hud_display.h"
78 #include "ash/ime/ime_controller_impl.h"
79 #include "ash/in_session_auth/in_session_auth_dialog_controller_impl.h"
80 #include "ash/in_session_auth/webauthn_dialog_controller_impl.h"
81 #include "ash/keyboard/keyboard_controller_impl.h"
82 #include "ash/keyboard/ui/keyboard_ui_factory.h"
83 #include "ash/login/login_screen_controller.h"
84 #include "ash/login_status.h"
85 #include "ash/media/media_controller_impl.h"
86 #include "ash/metrics/feature_discovery_duration_reporter_impl.h"
87 #include "ash/metrics/login_unlock_throughput_recorder.h"
88 #include "ash/metrics/user_metrics_recorder.h"
89 #include "ash/multi_capture/multi_capture_service_client.h"
90 #include "ash/multi_device_setup/multi_device_notification_presenter.h"
91 #include "ash/policy/policy_recommendation_restorer.h"
92 #include "ash/projector/projector_controller_impl.h"
93 #include "ash/public/cpp/ash_prefs.h"
94 #include "ash/public/cpp/desks_templates_delegate.h"
95 #include "ash/public/cpp/holding_space/holding_space_controller.h"
96 #include "ash/public/cpp/nearby_share_delegate.h"
97 #include "ash/public/cpp/shelf_config.h"
98 #include "ash/public/cpp/shelf_model.h"
99 #include "ash/public/cpp/shell_window_ids.h"
100 #include "ash/public/cpp/tab_cluster/tab_cluster_ui_controller.h"
101 #include "ash/public/cpp/views_text_services_context_menu_impl.h"
102 #include "ash/quick_pair/keyed_service/quick_pair_mediator.h"
103 #include "ash/rgb_keyboard/rgb_keyboard_manager.h"
104 #include "ash/root_window_controller.h"
105 #include "ash/session/session_controller_impl.h"
106 #include "ash/shelf/shelf_controller.h"
107 #include "ash/shelf/shelf_window_watcher.h"
108 #include "ash/shell_delegate.h"
109 #include "ash/shell_init_params.h"
110 #include "ash/shell_observer.h"
111 #include "ash/shell_tab_handler.h"
112 #include "ash/shutdown_controller_impl.h"
113 #include "ash/style/ash_color_mixer.h"
114 #include "ash/style/ash_color_provider.h"
115 #include "ash/style/dark_light_mode_controller_impl.h"
116 #include "ash/system/audio/display_speaker_controller.h"
117 #include "ash/system/bluetooth/bluetooth_device_status_ui_handler.h"
118 #include "ash/system/bluetooth/bluetooth_notification_controller.h"
119 #include "ash/system/brightness/brightness_controller_chromeos.h"
120 #include "ash/system/brightness_control_delegate.h"
121 #include "ash/system/camera/autozoom_controller_impl.h"
122 #include "ash/system/caps_lock_notification_controller.h"
123 #include "ash/system/diagnostics/diagnostics_log_controller.h"
124 #include "ash/system/firmware_update/firmware_update_notification_controller.h"
125 #include "ash/system/geolocation/geolocation_controller.h"
126 #include "ash/system/human_presence/human_presence_orientation_controller.h"
127 #include "ash/system/human_presence/snooping_protection_controller.h"
128 #include "ash/system/keyboard_brightness/keyboard_backlight_color_controller.h"
129 #include "ash/system/keyboard_brightness/keyboard_brightness_controller.h"
130 #include "ash/system/keyboard_brightness_control_delegate.h"
131 #include "ash/system/locale/locale_update_controller_impl.h"
132 #include "ash/system/machine_learning/user_settings_event_logger.h"
133 #include "ash/system/media/media_notification_provider_impl.h"
134 #include "ash/system/message_center/message_center_ash_impl.h"
135 #include "ash/system/message_center/message_center_controller.h"
136 #include "ash/system/model/system_tray_model.h"
137 #include "ash/system/model/virtual_keyboard_model.h"
138 #include "ash/system/nearby_share/nearby_share_controller_impl.h"
139 #include "ash/system/network/sms_observer.h"
140 #include "ash/system/night_light/night_light_controller_impl.h"
141 #include "ash/system/pcie_peripheral/pcie_peripheral_notification_controller.h"
142 #include "ash/system/power/adaptive_charging_controller.h"
143 #include "ash/system/power/backlights_forced_off_setter.h"
144 #include "ash/system/power/peripheral_battery_notifier.h"
145 #include "ash/system/power/power_button_controller.h"
146 #include "ash/system/power/power_event_observer.h"
147 #include "ash/system/power/power_prefs.h"
148 #include "ash/system/power/power_status.h"
149 #include "ash/system/power/video_activity_notifier.h"
150 #include "ash/system/privacy/screen_switch_check_controller.h"
151 #include "ash/system/privacy_hub/privacy_hub_controller.h"
152 #include "ash/system/screen_layout_observer.h"
153 #include "ash/system/session/logout_confirmation_controller.h"
154 #include "ash/system/status_area_widget.h"
155 #include "ash/system/system_notification_controller.h"
156 #include "ash/system/toast/toast_manager_impl.h"
157 #include "ash/system/tray/system_tray_notifier.h"
158 #include "ash/system/usb_peripheral/usb_peripheral_notification_controller.h"
159 #include "ash/touch/ash_touch_transform_controller.h"
160 #include "ash/touch/touch_devices_controller.h"
161 #include "ash/tray_action/tray_action.h"
162 #include "ash/utility/occlusion_tracker_pauser.h"
163 #include "ash/wallpaper/wallpaper_controller_impl.h"
164 #include "ash/wm/ash_focus_rules.h"
165 #include "ash/wm/container_finder.h"
166 #include "ash/wm/cursor_manager_chromeos.h"
167 #include "ash/wm/desks/desks_controller.h"
168 #include "ash/wm/desks/persistent_desks_bar/persistent_desks_bar_controller.h"
169 #include "ash/wm/event_client_impl.h"
170 #include "ash/wm/float/float_controller.h"
171 #include "ash/wm/gestures/back_gesture/back_gesture_event_handler.h"
172 #include "ash/wm/immersive_context_ash.h"
173 #include "ash/wm/lock_state_controller.h"
174 #include "ash/wm/mru_window_tracker.h"
175 #include "ash/wm/multitask_menu_nudge_controller.h"
176 #include "ash/wm/native_cursor_manager_ash.h"
177 #include "ash/wm/overlay_event_filter.h"
178 #include "ash/wm/overview/overview_controller.h"
179 #include "ash/wm/resize_shadow_controller.h"
180 #include "ash/wm/screen_pinning_controller.h"
181 #include "ash/wm/system_gesture_event_filter.h"
182 #include "ash/wm/system_modal_container_event_filter.h"
183 #include "ash/wm/system_modal_container_layout_manager.h"
184 #include "ash/wm/tablet_mode/tablet_mode_controller.h"
185 #include "ash/wm/tablet_mode/tablet_mode_window_manager.h"
186 #include "ash/wm/toplevel_window_event_handler.h"
187 #include "ash/wm/video_detector.h"
188 #include "ash/wm/window_animations.h"
189 #include "ash/wm/window_cycle/window_cycle_controller.h"
190 #include "ash/wm/window_positioner.h"
191 #include "ash/wm/window_properties.h"
192 #include "ash/wm/window_restore/window_restore_controller.h"
193 #include "ash/wm/window_util.h"
194 #include "ash/wm/wm_shadow_controller_delegate.h"
195 #include "ash/wm/workspace_controller.h"
196 #include "ash/wm_mode/wm_mode_controller.h"
197 #include "base/bind.h"
198 #include "base/callback_helpers.h"
199 #include "base/check.h"
200 #include "base/command_line.h"
201 #include "base/memory/ptr_util.h"
202 #include "base/notreached.h"
203 #include "base/system/sys_info.h"
204 #include "base/trace_event/trace_event.h"
205 #include "chromeos/ash/components/dbus/usb/usbguard_client.h"
206 #include "chromeos/ash/services/assistant/public/cpp/features.h"
207 #include "chromeos/dbus/init/initialize_dbus_client.h"
208 #include "chromeos/dbus/power/power_policy_controller.h"
209 #include "chromeos/system/devicemode.h"
210 #include "chromeos/ui/wm/features.h"
211 #include "components/prefs/pref_registry_simple.h"
212 #include "components/prefs/pref_service.h"
213 #include "components/viz/host/host_frame_sink_manager.h"
214 #include "dbus/bus.h"
215 #include "media/capture/video/chromeos/video_capture_features_chromeos.h"
216 #include "services/video_capture/public/mojom/multi_capture_service.mojom.h"
217 #include "ui/aura/client/aura_constants.h"
218 #include "ui/aura/env.h"
219 #include "ui/aura/layout_manager.h"
220 #include "ui/aura/window.h"
221 #include "ui/aura/window_event_dispatcher.h"
222 #include "ui/base/cursor/mojom/cursor_type.mojom-shared.h"
223 #include "ui/base/ui_base_features.h"
224 #include "ui/base/user_activity/user_activity_detector.h"
225 #include "ui/chromeos/user_activity_power_manager_notifier.h"
226 #include "ui/color/color_provider_manager.h"
227 #include "ui/compositor/layer.h"
228 #include "ui/compositor/layer_animator.h"
229 #include "ui/display/display.h"
230 #include "ui/display/manager/default_touch_transform_setter.h"
231 #include "ui/display/manager/display_change_observer.h"
232 #include "ui/display/manager/display_configurator.h"
233 #include "ui/display/manager/display_manager.h"
234 #include "ui/display/manager/touch_transform_setter.h"
235 #include "ui/display/screen.h"
236 #include "ui/display/types/native_display_delegate.h"
237 #include "ui/events/event_target_iterator.h"
238 #include "ui/gfx/geometry/insets.h"
239 #include "ui/gfx/image/image_skia.h"
240 #include "ui/message_center/message_center.h"
241 #include "ui/ozone/public/ozone_platform.h"
242 #include "ui/views/controls/views_text_services_context_menu_chromeos.h"
243 #include "ui/views/corewm/tooltip_aura.h"
244 #include "ui/views/corewm/tooltip_controller.h"
245 #include "ui/views/focus/focus_manager_factory.h"
246 #include "ui/views/widget/native_widget_aura.h"
247 #include "ui/views/widget/widget.h"
248 #include "ui/wm/core/accelerator_filter.h"
249 #include "ui/wm/core/compound_event_filter.h"
250 #include "ui/wm/core/focus_controller.h"
251 #include "ui/wm/core/shadow_controller.h"
252 #include "ui/wm/core/visibility_controller.h"
253 #include "ui/wm/core/window_modality_controller.h"
262 // A Corewm VisibilityController subclass that calls the Ash animation routine
263 // so we can pick up our extended animations. See ash/wm/window_animations.h.
264 class AshVisibilityController : public ::wm::VisibilityController {
266 AshVisibilityController() = default;
268 AshVisibilityController(const AshVisibilityController&) = delete;
269 AshVisibilityController& operator=(const AshVisibilityController&) = delete;
271 ~AshVisibilityController() override = default;
274 // Overridden from ::wm::VisibilityController:
275 bool CallAnimateOnChildWindowVisibilityChanged(aura::Window* window,
276 bool visible) override {
277 return AnimateOnChildWindowVisibilityChanged(window, visible);
284 Shell* Shell::instance_ = nullptr;
286 ////////////////////////////////////////////////////////////////////////////////
290 Shell* Shell::CreateInstance(ShellInitParams init_params) {
292 instance_ = new Shell(std::move(init_params.delegate));
293 instance_->Init(init_params.context_factory, init_params.local_state,
294 std::move(init_params.keyboard_ui_factory),
295 init_params.dbus_bus);
300 Shell* Shell::Get() {
306 bool Shell::HasInstance() {
311 void Shell::DeleteInstance() {
316 RootWindowController* Shell::GetPrimaryRootWindowController() {
317 CHECK(HasInstance());
318 return RootWindowController::ForWindow(GetPrimaryRootWindow());
322 Shell::RootWindowControllerList Shell::GetAllRootWindowControllers() {
323 CHECK(HasInstance());
324 RootWindowControllerList root_window_controllers;
325 for (aura::Window* root : GetAllRootWindows())
326 root_window_controllers.push_back(RootWindowController::ForWindow(root));
327 return root_window_controllers;
331 RootWindowController* Shell::GetRootWindowControllerWithDisplayId(
332 int64_t display_id) {
333 CHECK(HasInstance());
334 aura::Window* root = GetRootWindowForDisplayId(display_id);
335 return root ? RootWindowController::ForWindow(root) : nullptr;
339 aura::Window* Shell::GetRootWindowForDisplayId(int64_t display_id) {
340 CHECK(HasInstance());
341 return instance_->window_tree_host_manager_->GetRootWindowForDisplayId(
346 aura::Window* Shell::GetPrimaryRootWindow() {
347 CHECK(HasInstance());
348 return instance_->window_tree_host_manager_->GetPrimaryRootWindow();
352 void Shell::SetRootWindowForNewWindows(aura::Window* root) {
353 display::Screen::GetScreen()->SetDisplayForNewWindows(
354 display::Screen::GetScreen()->GetDisplayNearestWindow(root).id());
358 aura::Window* Shell::GetRootWindowForNewWindows() {
359 return GetRootWindowForDisplayId(
360 display::Screen::GetScreen()->GetDisplayForNewWindows().id());
364 aura::Window::Windows Shell::GetAllRootWindows() {
365 CHECK(HasInstance());
366 return instance_->window_tree_host_manager_->GetAllRootWindows();
370 aura::Window* Shell::GetContainer(aura::Window* root_window, int container_id) {
371 return root_window->GetChildById(container_id);
375 const aura::Window* Shell::GetContainer(const aura::Window* root_window,
377 return root_window->GetChildById(container_id);
381 int Shell::GetOpenSystemModalWindowContainerId() {
382 // The test boolean is not static to avoid leaking state between tests.
383 if (Get()->simulate_modal_window_open_for_test_)
384 return kShellWindowId_SystemModalContainer;
386 // Traverse all system modal containers, and find its direct child window
387 // with "SystemModal" setting, and visible.
388 for (aura::Window* root : Shell::GetAllRootWindows()) {
389 for (int modal_window_id : kSystemModalContainerIds) {
390 aura::Window* system_modal = root->GetChildById(modal_window_id);
393 for (const aura::Window* child : system_modal->children()) {
394 if (child->GetProperty(aura::client::kModalKey) ==
395 ui::MODAL_TYPE_SYSTEM &&
396 child->layer()->GetTargetVisibility()) {
397 return modal_window_id;
406 bool Shell::IsSystemModalWindowOpen() {
407 return GetOpenSystemModalWindowContainerId() >= 0;
410 display::DisplayConfigurator* Shell::display_configurator() {
411 return display_manager_->configurator();
414 void Shell::TrackInputMethodBounds(ArcInputMethodBoundsTracker* tracker) {
415 system_tray_model()->virtual_keyboard()->SetInputMethodBoundsTrackerObserver(
419 void Shell::UntrackTrackInputMethodBounds(
420 ArcInputMethodBoundsTracker* tracker) {
423 ->RemoveInputMethodBoundsTrackerObserver(tracker);
426 std::unique_ptr<views::NonClientFrameView>
427 Shell::CreateDefaultNonClientFrameView(views::Widget* widget) {
428 // Use translucent-style window frames for dialogs.
429 return std::make_unique<NonClientFrameViewAsh>(widget);
432 void Shell::OnCastingSessionStartedOrStopped(bool started) {
433 for (auto& observer : shell_observers_)
434 observer.OnCastingSessionStartedOrStopped(started);
437 void Shell::OnRootWindowAdded(aura::Window* root_window) {
438 for (auto& observer : shell_observers_)
439 observer.OnRootWindowAdded(root_window);
442 void Shell::OnRootWindowWillShutdown(aura::Window* root_window) {
443 for (auto& observer : shell_observers_)
444 observer.OnRootWindowWillShutdown(root_window);
447 void Shell::OnDictationStarted() {
448 for (auto& observer : shell_observers_)
449 observer.OnDictationStarted();
452 void Shell::OnDictationEnded() {
453 for (auto& observer : shell_observers_)
454 observer.OnDictationEnded();
457 bool Shell::IsInTabletMode() const {
458 return tablet_mode_controller()->InTabletMode();
461 bool Shell::ShouldSaveDisplaySettings() {
463 screen_orientation_controller_->ignore_display_configuration_updates() ||
464 // Save display settings if we don't need to show the display change
466 resolution_notification_controller_->ShouldShowDisplayChangeDialog());
469 ::wm::ActivationClient* Shell::activation_client() {
470 return focus_controller_.get();
473 bool Shell::HasPrimaryStatusArea() {
474 return !!GetPrimaryRootWindowController()->GetStatusAreaWidget();
477 void Shell::SetLargeCursorSizeInDip(int large_cursor_size_in_dip) {
478 window_tree_host_manager_->cursor_window_controller()
479 ->SetLargeCursorSizeInDip(large_cursor_size_in_dip);
482 void Shell::SetCursorColor(SkColor cursor_color) {
483 window_tree_host_manager_->cursor_window_controller()->SetCursorColor(
487 void Shell::UpdateCursorCompositingEnabled() {
488 SetCursorCompositingEnabled(
489 window_tree_host_manager_->cursor_window_controller()
490 ->ShouldEnableCursorCompositing());
493 void Shell::SetCursorCompositingEnabled(bool enabled) {
494 CursorWindowController* cursor_window_controller =
495 window_tree_host_manager_->cursor_window_controller();
497 if (cursor_window_controller->is_cursor_compositing_enabled() == enabled)
499 cursor_window_controller->SetCursorCompositingEnabled(enabled);
500 native_cursor_manager_->SetNativeCursorEnabled(!enabled);
503 void Shell::DoInitialWorkspaceAnimation() {
504 // Uses the active desk's workspace.
505 auto* workspace = GetActiveWorkspaceController(GetPrimaryRootWindow());
507 workspace->DoInitialAnimation();
510 void Shell::ShowContextMenu(const gfx::Point& location_in_screen,
511 ui::MenuSourceType source_type) {
512 // Bail with no active user session, in the lock screen, or in app/kiosk mode.
513 if (session_controller_->NumberOfLoggedInUsers() < 1 ||
514 session_controller_->IsScreenLocked() ||
515 session_controller_->IsRunningInAppMode()) {
519 aura::Window* root = window_util::GetRootWindowAt(location_in_screen);
520 RootWindowController::ForWindow(root)->ShowContextMenu(location_in_screen,
524 void Shell::AddShellObserver(ShellObserver* observer) {
525 shell_observers_.AddObserver(observer);
528 void Shell::RemoveShellObserver(ShellObserver* observer) {
529 shell_observers_.RemoveObserver(observer);
532 void Shell::ShutdownEventDispatch() {
533 for (aura::Window* root : GetAllRootWindows())
534 aura::client::SetDragDropClient(root, nullptr);
536 // Stop dispatching events (e.g. synthesized mouse exits from window close).
537 // https://crbug.com/874156
538 for (RootWindowController* rwc : GetAllRootWindowControllers())
539 rwc->GetHost()->dispatcher()->Shutdown();
542 void Shell::UpdateAfterLoginStatusChange(LoginStatus status) {
543 for (auto* root_window_controller : GetAllRootWindowControllers())
544 root_window_controller->UpdateAfterLoginStatusChange(status);
547 void Shell::NotifyFullscreenStateChanged(bool is_fullscreen,
548 aura::Window* container) {
549 for (auto& observer : shell_observers_)
550 observer.OnFullscreenStateChanged(is_fullscreen, container);
553 void Shell::NotifyPinnedStateChanged(aura::Window* pinned_window) {
554 for (auto& observer : shell_observers_)
555 observer.OnPinnedStateChanged(pinned_window);
558 void Shell::NotifyUserWorkAreaInsetsChanged(aura::Window* root_window) {
559 for (auto& observer : shell_observers_)
560 observer.OnUserWorkAreaInsetsChanged(root_window);
563 void Shell::NotifyShelfAlignmentChanged(aura::Window* root_window,
564 ShelfAlignment old_alignment) {
565 for (auto& observer : shell_observers_)
566 observer.OnShelfAlignmentChanged(root_window, old_alignment);
569 ////////////////////////////////////////////////////////////////////////////////
572 Shell::Shell(std::unique_ptr<ShellDelegate> shell_delegate)
573 : brightness_control_delegate_(
574 std::make_unique<system::BrightnessControllerChromeos>()),
575 focus_cycler_(std::make_unique<FocusCycler>()),
576 ime_controller_(std::make_unique<ImeControllerImpl>()),
577 immersive_context_(std::make_unique<ImmersiveContextAsh>()),
578 webauthn_dialog_controller_(
579 std::make_unique<WebAuthNDialogControllerImpl>()),
580 in_session_auth_dialog_controller_(
581 std::make_unique<InSessionAuthDialogControllerImpl>()),
582 keyboard_brightness_control_delegate_(
583 std::make_unique<KeyboardBrightnessController>()),
584 locale_update_controller_(std::make_unique<LocaleUpdateControllerImpl>()),
585 parent_access_controller_(std::make_unique<ParentAccessControllerImpl>()),
586 session_controller_(std::make_unique<SessionControllerImpl>()),
587 feature_discover_reporter_(
588 std::make_unique<FeatureDiscoveryDurationReporterImpl>(
589 session_controller_.get())),
590 shell_delegate_(std::move(shell_delegate)),
591 shutdown_controller_(std::make_unique<ShutdownControllerImpl>()),
592 system_tray_notifier_(std::make_unique<SystemTrayNotifier>()),
593 native_cursor_manager_(nullptr) {
594 AccelerometerReader::GetInstance()->Initialize();
596 login_screen_controller_ =
597 std::make_unique<LoginScreenController>(system_tray_notifier_.get());
598 display_manager_ = ScreenAsh::CreateDisplayManager();
599 window_tree_host_manager_ = std::make_unique<WindowTreeHostManager>();
600 user_metrics_recorder_ = std::make_unique<UserMetricsRecorder>();
601 keyboard_controller_ =
602 std::make_unique<KeyboardControllerImpl>(session_controller_.get());
604 PowerStatus::Initialize();
606 session_controller_->AddObserver(this);
610 TRACE_EVENT0("shutdown", "ash::Shell::Destructor");
612 // All WindowEventDispatchers should be shutdown before the Shell is
614 for (RootWindowController* rwc : GetAllRootWindowControllers())
615 DCHECK(rwc->GetHost()->dispatcher()->in_shutdown());
617 login_unlock_throughput_recorder_.reset();
619 hud_display::HUDDisplayView::Destroy();
621 // Observes `SessionController` and must be destroyed before it.
622 privacy_hub_controller_.reset();
624 for (auto& observer : shell_observers_)
625 observer.OnShellDestroying();
627 ash_dbus_services_.reset();
629 desks_templates_delegate_.reset();
630 desks_controller_->Shutdown();
632 user_metrics_recorder_->OnShellShuttingDown();
634 cros_display_config_.reset();
635 display_configuration_observer_.reset();
636 display_prefs_.reset();
637 display_alignment_controller_.reset();
638 refresh_rate_throttle_controller_.reset();
640 // Remove the focus from any window. This will prevent overhead and side
641 // effects (e.g. crashes) from changing focus during shutdown.
642 // See bug crbug.com/134502.
643 aura::client::GetFocusClient(GetPrimaryRootWindow())->FocusWindow(nullptr);
645 // Please keep in reverse order as in Init() because it's easy to miss one.
646 if (window_modality_controller_)
647 window_modality_controller_.reset();
649 RemovePreTargetHandler(shell_tab_handler_.get());
650 shell_tab_handler_.reset();
652 RemovePreTargetHandler(magnifier_key_scroll_handler_.get());
653 magnifier_key_scroll_handler_.reset();
655 RemovePreTargetHandler(speech_feedback_handler_.get());
656 speech_feedback_handler_.reset();
658 RemovePreTargetHandler(overlay_filter_.get());
659 overlay_filter_.reset();
661 RemovePreTargetHandler(control_v_histogram_recorder_.get());
662 RemovePreTargetHandler(accelerator_filter_.get());
663 RemovePreTargetHandler(event_transformation_handler_.get());
664 if (back_gesture_event_handler_)
665 RemovePreTargetHandler(back_gesture_event_handler_.get());
666 RemovePreTargetHandler(toplevel_window_event_handler_.get());
667 RemovePostTargetHandler(toplevel_window_event_handler_.get());
668 RemovePreTargetHandler(system_gesture_filter_.get());
669 RemovePreTargetHandler(mouse_cursor_filter_.get());
670 RemovePreTargetHandler(modality_filter_.get());
671 RemovePreTargetHandler(tooltip_controller_.get());
673 // Resets the text context menu implementation factory.
674 views::ViewsTextServicesContextMenuChromeos::SetImplFactory(
675 base::NullCallback());
677 wm_mode_controller_.reset();
679 event_rewriter_controller_.reset();
681 screen_orientation_controller_.reset();
682 screen_layout_observer_.reset();
684 // Destroy the virtual keyboard controller before the tablet mode controller
685 // since the latters destructor triggers events that the former is listening
686 // to but no longer cares about.
687 keyboard_controller_->DestroyVirtualKeyboard();
689 // Depends on |tablet_mode_controller_|.
690 window_restore_controller_.reset();
691 shelf_controller_->Shutdown();
692 shelf_config_->Shutdown();
694 // Destroy PersistentDesksBarController before `overview_controller_`,
695 // `tablet_mode_controller_`, `desks_controller_` and
696 // `app_list_controller_` that it observes.
697 persistent_desks_bar_controller_.reset();
699 // Depends on `app_list_controller_` and `tablet_mode_controller_`.
700 app_list_feature_usage_metrics_.reset();
702 // Destroy |app_list_controller_| earlier than |tablet_mode_controller_| since
703 // the former may use the latter before destruction.
704 app_list_controller_.reset();
706 // Accelerometer file reader stops listening to tablet mode controller.
707 AccelerometerReader::GetInstance()->StopListenToTabletModeController();
709 if (features::AreGlanceablesEnabled()) {
710 // Close all glanceables so that all widgets are destroyed.
711 glanceables_controller_->DestroyUi();
714 // Destroy |ambient_controller_| before |assistant_controller_|.
715 ambient_controller_.reset();
717 // Destroy |assistant_controller_| earlier than |tablet_mode_controller_| so
718 // that the former will destroy the Assistant view hierarchy which has a
719 // dependency on the latter.
720 assistant_controller_.reset();
722 // Because this function will call |TabletModeController::RemoveObserver|, do
723 // it before destroying |tablet_mode_controller_|.
724 accessibility_controller_->Shutdown();
726 // Must be destructed before human_presence_orientation_controller_.
727 power_prefs_.reset();
729 // Must be destructed before the tablet mode and message center controllers,
730 // both of which these rely on.
731 snooping_protection_controller_.reset();
732 human_presence_orientation_controller_.reset();
734 // Shutdown tablet mode controller early on since it has some observers which
735 // need to be removed. It will be destroyed later after all windows are closed
736 // since it might be accessed during this process.
737 tablet_mode_controller_->Shutdown();
739 // Shutdown the clipboard history controller to clean up the child windows and
740 // widgets that may be animating out.
741 clipboard_history_controller_->Shutdown();
743 // Destroy UserSettingsEventLogger before |system_tray_model_| and
744 // |video_detector_| which it observes.
745 ml::UserSettingsEventLogger::DeleteInstance();
747 toast_manager_.reset();
749 // Accesses root window containers.
750 logout_confirmation_controller_.reset();
752 adaptive_charging_controller_.reset();
754 // Drag-and-drop must be canceled prior to close all windows.
755 drag_drop_controller_.reset();
757 // Controllers who have WindowObserver added must be deleted
758 // before |window_tree_host_manager_| is deleted.
759 persistent_window_controller_.reset();
761 display_highlight_controller_.reset();
763 // VideoActivityNotifier must be deleted before |video_detector_| is
764 // deleted because it's observing video activity through
765 // VideoDetector::Observer interface.
766 video_activity_notifier_.reset();
767 video_detector_.reset();
768 color_enhancement_controller_.reset();
770 shadow_controller_.reset();
771 resize_shadow_controller_.reset();
773 // Has to happen before ~MruWindowTracker.
774 window_cycle_controller_.reset();
775 overview_controller_.reset();
777 // This must be destroyed before deleting all the windows below in
778 // `CloseAllRootWindowChildWindows()`, since shutting down the session will
779 // need to access those windows and it will be a UAF.
780 // https://crbug.com/1350711.
781 capture_mode_controller_.reset();
783 // Close all widgets (including the shelf) and destroy all window containers.
784 CloseAllRootWindowChildWindows();
786 // Glanceables has a dependency on `tablet_mode_controller_`. Should be
787 // destroyed first to remove the tablet mode observer.
788 glanceables_controller_.reset();
790 multitask_menu_nudge_controller_.reset();
791 tablet_mode_controller_.reset();
792 login_screen_controller_.reset();
793 system_notification_controller_.reset();
794 // Should be destroyed after Shelf and |system_notification_controller_|.
795 system_tray_model_.reset();
797 // MruWindowTracker must be destroyed after all windows have been deleted to
798 // avoid a possible crash when Shell is destroyed from a non-normal shutdown
799 // path. (crbug.com/485438).
800 mru_window_tracker_.reset();
802 // These need a valid Shell instance to clean up properly, so explicitly
803 // delete them before invalidating the instance.
804 // Alphabetical. TODO(oshima): sort.
805 autoclick_controller_.reset();
806 fullscreen_magnifier_controller_.reset();
807 tooltip_controller_.reset();
808 event_client_.reset();
809 toplevel_window_event_handler_.reset();
810 visibility_controller_.reset();
812 tray_action_.reset();
814 power_button_controller_.reset();
815 lock_state_controller_.reset();
816 backlights_forced_off_setter_.reset();
818 float_controller_.reset();
819 screen_pinning_controller_.reset();
821 multidevice_notification_presenter_.reset();
822 resolution_notification_controller_.reset();
823 mouse_cursor_filter_.reset();
824 modality_filter_.reset();
826 touch_transformer_controller_.reset();
827 highlighter_controller_.reset();
828 key_accessibility_enabler_.reset();
830 display_speaker_controller_.reset();
831 screen_switch_check_controller_.reset();
833 ScreenAsh::CreateScreenForShutdown();
834 display_configuration_controller_.reset();
836 // Needs to be destructed before `ime_controler_`.
837 keyboard_backlight_color_controller_.reset();
838 rgb_keyboard_manager_.reset();
840 ash_color_provider_.reset();
842 // Depends on `geolocation_controller_` and `wallpaper_controller_`, so it
843 // must be destructed before the geolocation controller and wallpaper
845 dark_light_mode_controller_.reset();
847 // These members access Shell in their destructors.
848 wallpaper_controller_.reset();
849 accessibility_controller_.reset();
850 accessibility_delegate_.reset();
851 accessibility_focus_ring_controller_.reset();
852 policy_recommendation_restorer_.reset();
853 ime_controller_.reset();
854 back_gesture_event_handler_.reset();
856 // Balances the Install() in Initialize().
857 views::FocusManagerFactory::Install(nullptr);
859 // ShelfWindowWatcher has window observers and a pointer to the shelf model.
860 shelf_window_watcher_.reset();
862 // Removes itself as an observer of |pref_service_|.
863 shelf_controller_.reset();
865 // NightLightControllerImpl depends on the PrefService, the window tree host
866 // manager, and `geolocation_controller_`, so it must be destructed before
867 // them. crbug.com/724231.
868 night_light_controller_ = nullptr;
869 // Similarly for DockedMagnifierController.
870 docked_magnifier_controller_ = nullptr;
871 // Similarly for PrivacyScreenController.
872 privacy_screen_controller_ = nullptr;
873 // Similarly for AutozoomControllerImpl
874 autozoom_controller_ = nullptr;
876 geolocation_controller_.reset();
878 // NearbyShareDelegateImpl must be destroyed before SessionController and
879 // NearbyShareControllerImpl.
880 nearby_share_delegate_.reset();
881 nearby_share_controller_.reset();
883 // Stop observing window activation changes before closing all windows.
884 focus_controller_->RemoveObserver(this);
886 // Depends on shelf owned by RootWindowController so destroy this before the
887 // |window_tree_host_manager_|.
888 clipboard_history_controller_.reset();
890 // This also deletes all RootWindows. Note that we invoke Shutdown() on
891 // WindowTreeHostManager before resetting |window_tree_host_manager_|, since
892 // destruction of its owned RootWindowControllers relies on the value.
893 window_tree_host_manager_->Shutdown();
895 // Depends on |focus_controller_|, so must be destroyed before.
896 window_tree_host_manager_.reset();
898 // The desks controller is destroyed after the window tree host manager and
899 // before the focus controller. At this point it is guaranteed that querying
900 // the active desk is no longer needed.
901 desks_controller_.reset();
903 tab_cluster_ui_controller_.reset();
905 focus_rules_ = nullptr;
906 focus_controller_.reset();
907 screen_position_controller_.reset();
909 display_color_manager_.reset();
910 projecting_observer_.reset();
912 projector_controller_.reset();
914 partial_magnifier_controller_.reset();
916 laser_pointer_controller_.reset();
918 if (display_change_observer_)
919 display_manager_->configurator()->RemoveObserver(
920 display_change_observer_.get());
921 if (display_error_observer_)
922 display_manager_->configurator()->RemoveObserver(
923 display_error_observer_.get());
924 display_change_observer_.reset();
925 display_shutdown_observer_.reset();
927 keyboard_controller_.reset();
929 PowerStatus::Shutdown();
930 // Depends on SessionController.
931 power_event_observer_.reset();
933 session_controller_->RemoveObserver(this);
934 // TouchDevicesController depends on the PrefService and must be destructed
936 touch_devices_controller_ = nullptr;
937 // DetachableBaseNotificationController depends on DetachableBaseHandler, and
938 // has to be destructed before it.
939 detachable_base_notification_controller_.reset();
940 // DetachableBaseHandler depends on the PrefService and must be destructed
942 detachable_base_handler_.reset();
944 diagnostics_log_controller_.reset();
946 firmware_update_notification_controller_.reset();
948 pcie_peripheral_notification_controller_.reset();
950 usb_peripheral_notification_controller_.reset();
952 message_center_ash_impl_.reset();
954 // Destroys the MessageCenter singleton, so must happen late.
955 message_center_controller_.reset();
957 // `HoldingSpaceController` observes `SessionController` and must be
958 // destructed before it.
959 holding_space_controller_.reset();
961 // `CalendarController` observes `SessionController` and must be destructed
963 calendar_controller_.reset();
965 shell_delegate_.reset();
967 multi_capture_service_client_.reset();
969 UsbguardClient::Shutdown();
971 // Must be shut down after detachable_base_handler_.
972 HammerdClient::Shutdown();
974 for (auto& observer : shell_observers_)
975 observer.OnShellDestroyed();
977 DCHECK(instance_ == this);
982 ui::ContextFactory* context_factory,
983 PrefService* local_state,
984 std::unique_ptr<keyboard::KeyboardUIFactory> keyboard_ui_factory,
985 scoped_refptr<dbus::Bus> dbus_bus) {
986 login_unlock_throughput_recorder_ =
987 std::make_unique<LoginUnlockThroughputRecorder>();
989 // Required by DetachableBaseHandler.
990 chromeos::InitializeDBusClient<HammerdClient>(dbus_bus.get());
992 chromeos::InitializeDBusClient<UsbguardClient>(dbus_bus.get());
994 local_state_ = local_state;
996 // This creates the MessageCenter object which is used by some other objects
997 // initialized here, so it needs to come early.
998 message_center_controller_ = std::make_unique<MessageCenterController>();
1000 message_center_ash_impl_ = std::make_unique<MessageCenterAshImpl>();
1002 // These controllers call Shell::Get() in their constructors, so they cannot
1003 // be in the member initialization list.
1004 if (features::IsCrosPrivacyHubEnabled()) {
1005 privacy_hub_controller_ = std::make_unique<PrivacyHubController>();
1007 touch_devices_controller_ = std::make_unique<TouchDevicesController>();
1008 detachable_base_handler_ =
1009 std::make_unique<DetachableBaseHandler>(local_state_);
1010 detachable_base_notification_controller_ =
1011 std::make_unique<DetachableBaseNotificationController>(
1012 detachable_base_handler_.get());
1013 display_speaker_controller_ = std::make_unique<DisplaySpeakerController>();
1014 policy_recommendation_restorer_ =
1015 std::make_unique<PolicyRecommendationRestorer>();
1016 screen_switch_check_controller_ =
1017 std::make_unique<ScreenSwitchCheckController>();
1018 multidevice_notification_presenter_ =
1019 std::make_unique<MultiDeviceNotificationPresenter>(
1020 message_center::MessageCenter::Get());
1021 media_controller_ = std::make_unique<MediaControllerImpl>();
1022 media_notification_provider_ =
1023 std::make_unique<MediaNotificationProviderImpl>(
1024 shell_delegate_->GetMediaSessionService());
1026 tablet_mode_controller_ = std::make_unique<TabletModeController>();
1028 if (features::IsRgbKeyboardEnabled()) {
1029 rgb_keyboard_manager_ =
1030 std::make_unique<RgbKeyboardManager>(ime_controller_.get());
1033 // Observes the tablet mode controller if any hps feature is enabled.
1034 if (features::IsSnoopingProtectionEnabled() ||
1035 features::IsQuickDimEnabled()) {
1036 human_presence_orientation_controller_ =
1037 std::make_unique<HumanPresenceOrientationController>();
1040 // Construct SnoopingProtectionController, must be constructed after
1041 // HumanPresenceOrientationController.
1042 if (features::IsSnoopingProtectionEnabled()) {
1043 snooping_protection_controller_ =
1044 std::make_unique<SnoopingProtectionController>();
1047 // Manages lifetime of DiagnosticApp logs.
1048 if (features::IsLogControllerForDiagnosticsAppEnabled()) {
1049 diagnostics_log_controller_ =
1050 std::make_unique<diagnostics::DiagnosticsLogController>();
1053 firmware_update_notification_controller_ =
1054 std::make_unique<FirmwareUpdateNotificationController>(
1055 message_center::MessageCenter::Get());
1057 pcie_peripheral_notification_controller_ =
1058 std::make_unique<PciePeripheralNotificationController>(
1059 message_center::MessageCenter::Get());
1061 usb_peripheral_notification_controller_ =
1062 std::make_unique<UsbPeripheralNotificationController>(
1063 message_center::MessageCenter::Get());
1065 accessibility_focus_ring_controller_ =
1066 std::make_unique<AccessibilityFocusRingControllerImpl>();
1067 accessibility_delegate_.reset(shell_delegate_->CreateAccessibilityDelegate());
1068 accessibility_controller_ = std::make_unique<AccessibilityControllerImpl>();
1069 toast_manager_ = std::make_unique<ToastManagerImpl>();
1071 peripheral_battery_listener_ = std::make_unique<PeripheralBatteryListener>();
1073 peripheral_battery_notifier_ = std::make_unique<PeripheralBatteryNotifier>(
1074 peripheral_battery_listener_.get());
1075 power_event_observer_ = std::make_unique<PowerEventObserver>();
1076 window_cycle_controller_ = std::make_unique<WindowCycleController>();
1077 multitask_menu_nudge_controller_ =
1078 std::make_unique<MultitaskMenuNudgeController>();
1080 capture_mode_controller_ = std::make_unique<CaptureModeController>(
1081 shell_delegate_->CreateCaptureModeDelegate());
1083 // Accelerometer file reader starts listening to tablet mode controller.
1084 AccelerometerReader::GetInstance()->StartListenToTabletModeController();
1086 // Install the custom factory early on so that views::FocusManagers for Tray,
1087 // Shelf, and WallPaper could be created by the factory.
1088 views::FocusManagerFactory::Install(new AshFocusManagerFactory);
1090 wallpaper_controller_ = WallpaperControllerImpl::Create(local_state_);
1092 if (features::IsRgbKeyboardEnabled()) {
1093 // Initialized after |wallpaper_controller_| because we will need to observe
1094 // when the extracted wallpaper color changes.
1095 keyboard_backlight_color_controller_ =
1096 std::make_unique<KeyboardBacklightColorController>();
1099 window_positioner_ = std::make_unique<WindowPositioner>();
1101 native_cursor_manager_ = new NativeCursorManagerAsh;
1103 std::make_unique<CursorManager>(base::WrapUnique(native_cursor_manager_));
1105 InitializeDisplayManager();
1107 // RefreshFontParams depends on display prefs.
1108 display_manager_->RefreshFontParams();
1110 // This will initialize aura::Env which requires |display_manager_| to
1111 // be initialized first.
1112 aura::Env* env = aura::Env::GetInstance();
1113 if (context_factory)
1114 env->set_context_factory(context_factory);
1116 ash_color_provider_ = std::make_unique<AshColorProvider>();
1117 ui::ColorProviderManager::Get().AppendColorProviderInitializer(
1118 base::BindRepeating(AddCrosStylesColorMixer));
1119 ui::ColorProviderManager::Get().AppendColorProviderInitializer(
1120 base::BindRepeating(AddAshColorMixer));
1122 // Geolocation controller needs to be created before any `ScheduledFeature`
1123 // subclasses such as night light and dark mode controllers because
1124 // `ScheduledFeature` ctor will access `geolocation_controller_` from
1126 geolocation_controller_ = std::make_unique<GeolocationController>(
1127 shell_delegate_->GetGeolocationUrlLoaderFactory());
1129 // Night Light depends on the display manager, the display color manager,
1130 // aura::Env, and geolocation controller, so initialize it after all have
1131 // been initialized.
1132 night_light_controller_ = std::make_unique<NightLightControllerImpl>();
1134 dark_light_mode_controller_ = std::make_unique<DarkLightModeControllerImpl>();
1136 // Privacy Screen depends on the display manager, so initialize it after
1137 // display manager was properly initialized.
1138 privacy_screen_controller_ = std::make_unique<PrivacyScreenController>();
1140 if (media::ShouldEnableAutoFraming())
1141 autozoom_controller_ = std::make_unique<AutozoomControllerImpl>();
1143 // Fast Pair depends on the display manager, so initialize it after
1144 // display manager was properly initialized.
1145 if (base::FeatureList::IsEnabled(features::kFastPair)) {
1146 quick_pair_mediator_ = quick_pair::Mediator::Factory::Create();
1149 // The WindowModalityController needs to be at the front of the input event
1150 // pretarget handler list to ensure that it processes input events when modal
1151 // windows are active.
1152 window_modality_controller_ =
1153 std::make_unique<::wm::WindowModalityController>(this, env);
1155 event_rewriter_controller_ = std::make_unique<EventRewriterControllerImpl>();
1157 env_filter_ = std::make_unique<::wm::CompoundEventFilter>();
1158 AddPreTargetHandler(env_filter_.get());
1160 // FocusController takes ownership of AshFocusRules.
1161 focus_rules_ = new AshFocusRules();
1162 focus_controller_ = std::make_unique<::wm::FocusController>(focus_rules_);
1163 focus_controller_->AddObserver(this);
1165 overview_controller_ = std::make_unique<OverviewController>();
1167 screen_position_controller_ = std::make_unique<ScreenPositionController>();
1169 frame_throttling_controller_ = std::make_unique<FrameThrottlingController>(
1170 context_factory->GetHostFrameSinkManager());
1172 if (features::IsTabClusterUIEnabled())
1173 tab_cluster_ui_controller_ = std::make_unique<TabClusterUIController>();
1175 window_tree_host_manager_->Start();
1176 AshWindowTreeHostInitParams ash_init_params;
1177 window_tree_host_manager_->CreatePrimaryHost(ash_init_params);
1179 // Create the desks controller right after the window tree host manager is
1180 // started, and before anything else is created, including the initialization
1181 // of the hosts and the root window controllers. Many things may need to query
1182 // the active desk, even at this early stage. For this the controller must be
1183 // present at all times. The desks controller also depends on the focus
1185 desks_controller_ = std::make_unique<DesksController>();
1186 desks_templates_delegate_ = shell_delegate_->CreateDesksTemplatesDelegate();
1188 Shell::SetRootWindowForNewWindows(GetPrimaryRootWindow());
1190 resolution_notification_controller_ =
1191 std::make_unique<ResolutionNotificationController>();
1193 cursor_manager_->SetDisplay(
1194 display::Screen::GetScreen()->GetPrimaryDisplay());
1196 ash_accelerator_configuration_ =
1197 std::make_unique<AshAcceleratorConfiguration>();
1198 ash_accelerator_configuration_->Initialize();
1199 accelerator_controller_ = std::make_unique<AcceleratorControllerImpl>(
1200 ash_accelerator_configuration_.get());
1202 clipboard_history_controller_ =
1203 std::make_unique<ClipboardHistoryControllerImpl>();
1205 // `HoldingSpaceController` must be instantiated before the shelf.
1206 holding_space_controller_ = std::make_unique<HoldingSpaceController>();
1208 calendar_controller_ = std::make_unique<CalendarController>();
1210 shelf_config_ = std::make_unique<ShelfConfig>();
1211 shelf_controller_ = std::make_unique<ShelfController>();
1213 shell_tab_handler_ = std::make_unique<ShellTabHandler>(this);
1214 AddPreTargetHandler(shell_tab_handler_.get());
1215 magnifier_key_scroll_handler_ = MagnifierKeyScroller::CreateHandler();
1216 AddPreTargetHandler(magnifier_key_scroll_handler_.get());
1217 speech_feedback_handler_ = SpokenFeedbackToggler::CreateHandler();
1218 AddPreTargetHandler(speech_feedback_handler_.get());
1220 // The order in which event filters are added is significant.
1222 // ui::UserActivityDetector passes events to observers, so let them get
1224 user_activity_detector_ = std::make_unique<ui::UserActivityDetector>();
1226 overlay_filter_ = std::make_unique<OverlayEventFilter>();
1227 AddPreTargetHandler(overlay_filter_.get());
1229 control_v_histogram_recorder_ = std::make_unique<ControlVHistogramRecorder>();
1230 AddPreTargetHandler(control_v_histogram_recorder_.get());
1232 accelerator_filter_ = std::make_unique<::wm::AcceleratorFilter>(
1233 std::make_unique<PreTargetAcceleratorHandler>());
1234 AddPreTargetHandler(accelerator_filter_.get());
1236 event_transformation_handler_ =
1237 std::make_unique<EventTransformationHandler>();
1238 AddPreTargetHandler(event_transformation_handler_.get());
1240 back_gesture_event_handler_ = std::make_unique<BackGestureEventHandler>();
1241 AddPreTargetHandler(back_gesture_event_handler_.get());
1243 toplevel_window_event_handler_ =
1244 std::make_unique<ToplevelWindowEventHandler>();
1246 system_gesture_filter_ = std::make_unique<SystemGestureEventFilter>();
1247 AddPreTargetHandler(system_gesture_filter_.get());
1249 sticky_keys_controller_ = std::make_unique<StickyKeysController>();
1250 screen_pinning_controller_ = std::make_unique<ScreenPinningController>();
1252 power_prefs_ = std::make_unique<PowerPrefs>(
1253 chromeos::PowerPolicyController::Get(),
1254 chromeos::PowerManagerClient::Get(), local_state_);
1256 backlights_forced_off_setter_ = std::make_unique<BacklightsForcedOffSetter>();
1259 std::make_unique<TrayAction>(backlights_forced_off_setter_.get());
1261 lock_state_controller_ = std::make_unique<LockStateController>(
1262 shutdown_controller_.get(), local_state_);
1263 power_button_controller_ = std::make_unique<PowerButtonController>(
1264 backlights_forced_off_setter_.get());
1265 // Pass the initial display state to PowerButtonController.
1266 power_button_controller_->OnDisplayModeChanged(
1267 display_configurator()->cached_displays());
1269 drag_drop_controller_ = std::make_unique<DragDropController>();
1271 mouse_cursor_filter_ = std::make_unique<MouseCursorEventFilter>();
1272 AddPreTargetHandler(mouse_cursor_filter_.get(),
1273 ui::EventTarget::Priority::kAccessibility);
1275 if (features::IsAdaptiveChargingEnabled()) {
1276 adaptive_charging_controller_ =
1277 std::make_unique<AdaptiveChargingController>();
1280 // Create Controllers that may need root window.
1281 // TODO(oshima): Move as many controllers before creating
1282 // RootWindowController as possible.
1283 visibility_controller_ = std::make_unique<AshVisibilityController>();
1285 laser_pointer_controller_ = std::make_unique<LaserPointerController>();
1286 partial_magnifier_controller_ =
1287 std::make_unique<PartialMagnifierController>();
1288 highlighter_controller_ = std::make_unique<HighlighterController>();
1290 fullscreen_magnifier_controller_ =
1291 std::make_unique<FullscreenMagnifierController>();
1292 mru_window_tracker_ = std::make_unique<MruWindowTracker>();
1293 assistant_controller_ = std::make_unique<AssistantControllerImpl>();
1295 // |assistant_controller_| is put before |ambient_controller_| as it will be
1296 // used by the latter.
1297 if (chromeos::features::IsAmbientModeEnabled()) {
1298 mojo::PendingRemote<device::mojom::Fingerprint> fingerprint;
1299 shell_delegate_->BindFingerprint(
1300 fingerprint.InitWithNewPipeAndPassReceiver());
1301 ambient_controller_ =
1302 std::make_unique<AmbientController>(std::move(fingerprint));
1305 mojo::PendingRemote<video_capture::mojom::MultiCaptureService>
1306 multi_capture_service;
1307 shell_delegate_->BindMultiCaptureService(
1308 multi_capture_service.InitWithNewPipeAndPassReceiver());
1309 multi_capture_service_client_ = std::make_unique<MultiCaptureServiceClient>(
1310 std::move(multi_capture_service));
1312 // |tablet_mode_controller_| |mru_window_tracker_|, and
1313 // |assistant_controller_| are put before |app_list_controller_| as they are
1314 // used in its constructor.
1315 app_list_controller_ = std::make_unique<AppListControllerImpl>();
1317 // Create PersistentDesksBarController after `overview_controller_`,
1318 // `tablet_mode_controller_`, `desks_controller_` and
1319 // `app_list_controller_` that it observes.
1320 if (features::IsBentoBarEnabled()) {
1321 persistent_desks_bar_controller_ =
1322 std::make_unique<PersistentDesksBarController>();
1325 autoclick_controller_ = std::make_unique<AutoclickController>();
1327 color_enhancement_controller_ =
1328 std::make_unique<ColorEnhancementController>();
1330 security_curtain_controller_ =
1331 std::make_unique<curtain::SecurityCurtainControllerImpl>(this);
1333 docked_magnifier_controller_ = std::make_unique<DockedMagnifierController>();
1335 video_detector_ = std::make_unique<VideoDetector>();
1337 tooltip_controller_ = std::make_unique<views::corewm::TooltipController>(
1338 std::make_unique<views::corewm::TooltipAura>(), activation_client());
1339 AddPreTargetHandler(tooltip_controller_.get());
1341 modality_filter_ = std::make_unique<SystemModalContainerEventFilter>(this);
1342 AddPreTargetHandler(modality_filter_.get());
1344 event_client_ = std::make_unique<EventClientImpl>();
1346 resize_shadow_controller_ = std::make_unique<ResizeShadowController>();
1347 shadow_controller_ = std::make_unique<::wm::ShadowController>(
1348 focus_controller_.get(), std::make_unique<WmShadowControllerDelegate>(),
1351 logout_confirmation_controller_ =
1352 std::make_unique<LogoutConfirmationController>();
1354 // Create AshTouchTransformController before
1355 // WindowTreeHostManager::InitDisplays()
1356 // since AshTouchTransformController listens on
1357 // WindowTreeHostManager::Observer::OnDisplaysInitialized().
1358 touch_transformer_controller_ = std::make_unique<AshTouchTransformController>(
1359 display_manager_.get(),
1360 std::make_unique<display::DefaultTouchTransformSetter>());
1362 // |system_tray_model_| should be available before
1363 // |system_notification_controller_| is initialized and Shelf is created by
1364 // WindowTreeHostManager::InitHosts.
1365 system_tray_model_ = std::make_unique<SystemTrayModel>();
1367 // The |shelf_config_| needs |app_list_controller_| and |system_tray_model_|
1368 // to initialize itself.
1369 shelf_config_->Init();
1371 // The `shelf_controller_` needs `app_list_controller_` to initialize
1372 // launcher_nudge_controller_.
1373 shelf_controller_->Init();
1375 nearby_share_controller_ = std::make_unique<NearbyShareControllerImpl>();
1376 nearby_share_delegate_ = shell_delegate_->CreateNearbyShareDelegate(
1377 nearby_share_controller_.get());
1379 system_notification_controller_ =
1380 std::make_unique<SystemNotificationController>();
1382 // WmModeController should be created before initializing the window tree
1383 // hosts, since the latter will initialize the shelf on each display, which
1384 // hosts the WM mode tray button.
1385 if (features::IsWmModeEnabled())
1386 wm_mode_controller_ = std::make_unique<WmModeController>();
1388 window_tree_host_manager_->InitHosts();
1390 // Create virtual keyboard after WindowTreeHostManager::InitHosts() since
1391 // it may enable the virtual keyboard immediately, which requires a
1392 // WindowTreeHostManager to host the keyboard window.
1393 keyboard_controller_->CreateVirtualKeyboard(std::move(keyboard_ui_factory));
1395 // Create window restore controller after WindowTreeHostManager::InitHosts()
1396 // since it may need to add observers to root windows.
1397 window_restore_controller_ = std::make_unique<WindowRestoreController>();
1399 static_cast<CursorManager*>(cursor_manager_.get())->Init();
1401 mojo::PendingRemote<device::mojom::Fingerprint> fingerprint;
1402 shell_delegate_->BindFingerprint(
1403 fingerprint.InitWithNewPipeAndPassReceiver());
1404 user_activity_notifier_ =
1405 std::make_unique<ui::UserActivityPowerManagerNotifier>(
1406 user_activity_detector_.get(), std::move(fingerprint));
1407 video_activity_notifier_ =
1408 std::make_unique<VideoActivityNotifier>(video_detector_.get());
1409 bluetooth_device_status_ui_handler_ =
1410 std::make_unique<BluetoothDeviceStatusUiHandler>();
1411 bluetooth_notification_controller_ =
1412 std::make_unique<BluetoothNotificationController>(
1413 message_center::MessageCenter::Get());
1414 screen_orientation_controller_ =
1415 std::make_unique<ScreenOrientationController>();
1417 cros_display_config_ = std::make_unique<CrosDisplayConfig>();
1419 screen_layout_observer_ = std::make_unique<ScreenLayoutObserver>();
1420 sms_observer_ = std::make_unique<SmsObserver>();
1421 snap_controller_ = std::make_unique<SnapControllerImpl>();
1422 key_accessibility_enabler_ = std::make_unique<KeyAccessibilityEnabler>();
1424 // Create UserSettingsEventLogger after |system_tray_model_| and
1425 // |video_detector_| which it observes.
1426 ml::UserSettingsEventLogger::CreateInstance();
1428 // The compositor thread and main message loop have to be running in
1429 // order to create mirror window. Run it after the main message loop
1431 display_manager_->CreateMirrorWindowAsyncIfAny();
1433 // TODO(1091497): Consider combining DisplayHighlightController and
1434 // DisplayAlignmentController.
1435 display_highlight_controller_ =
1436 std::make_unique<DisplayHighlightController>();
1438 if (features::IsDisplayAlignmentAssistanceEnabled()) {
1439 display_alignment_controller_ =
1440 std::make_unique<DisplayAlignmentController>();
1443 if (features::AreGlanceablesEnabled()) {
1444 glanceables_controller_ = std::make_unique<GlanceablesController>();
1445 glanceables_controller_->Init(shell_delegate_->CreateGlanceablesDelegate(
1446 glanceables_controller_.get()));
1449 if (chromeos::features::IsProjectorEnabled())
1450 projector_controller_ = std::make_unique<ProjectorControllerImpl>();
1452 if (chromeos::wm::features::IsFloatWindowEnabled())
1453 float_controller_ = std::make_unique<FloatController>();
1455 // Injects the factory which fulfills the implementation of the text context
1456 // menu exclusive to CrOS.
1457 views::ViewsTextServicesContextMenuChromeos::SetImplFactory(
1458 base::BindRepeating(
1459 [](ui::SimpleMenuModel* menu_model, views::Textfield* textfield)
1460 -> std::unique_ptr<views::ViewsTextServicesContextMenu> {
1461 return std::make_unique<ViewsTextServicesContextMenuImpl>(
1462 menu_model, textfield);
1465 for (auto& observer : shell_observers_)
1466 observer.OnShellInitialized();
1468 user_metrics_recorder_->OnShellInitialized();
1470 occlusion_tracker_pauser_ = std::make_unique<OcclusionTrackerPauser>();
1472 // Initialize the D-Bus bus and services for ash.
1473 dbus_bus_ = dbus_bus;
1474 ash_dbus_services_ = std::make_unique<AshDBusServices>(dbus_bus.get());
1477 void Shell::InitializeDisplayManager() {
1478 display_manager_->InitConfigurator(
1479 ui::OzonePlatform::GetInstance()->CreateNativeDisplayDelegate());
1480 display_configuration_controller_ =
1481 std::make_unique<DisplayConfigurationController>(
1482 display_manager_.get(), window_tree_host_manager_.get());
1483 display_configuration_observer_ =
1484 std::make_unique<DisplayConfigurationObserver>();
1486 persistent_window_controller_ =
1487 std::make_unique<PersistentWindowController>();
1489 projecting_observer_ =
1490 std::make_unique<ProjectingObserver>(display_manager_->configurator());
1492 if (base::FeatureList::IsEnabled(features::kSeamlessRefreshRateSwitching)) {
1493 refresh_rate_throttle_controller_ =
1494 std::make_unique<RefreshRateThrottleController>(
1495 display_manager_->configurator(), PowerStatus::Get());
1498 display_prefs_ = std::make_unique<DisplayPrefs>(local_state_);
1500 bool display_initialized = display_manager_->InitFromCommandLine();
1502 if (!display_initialized) {
1503 if (chromeos::IsRunningAsSystemCompositor()) {
1504 display_change_observer_ =
1505 std::make_unique<display::DisplayChangeObserver>(
1506 display_manager_.get());
1508 display_error_observer_ = std::make_unique<DisplayErrorObserver>();
1509 display_shutdown_observer_ = std::make_unique<DisplayShutdownObserver>(
1510 display_manager_->configurator());
1512 display_manager_->ForceInitialConfigureWithObservers(
1513 display_change_observer_.get(), display_error_observer_.get());
1514 display_initialized = true;
1518 display_color_manager_ =
1519 std::make_unique<DisplayColorManager>(display_manager_->configurator());
1521 if (!display_initialized)
1522 display_manager_->InitDefaultDisplay();
1525 void Shell::InitRootWindow(aura::Window* root_window) {
1526 DCHECK(focus_controller_);
1527 DCHECK(visibility_controller_.get());
1529 aura::client::SetFocusClient(root_window, focus_controller_.get());
1530 ::wm::SetActivationClient(root_window, focus_controller_.get());
1531 root_window->AddPreTargetHandler(focus_controller_.get());
1532 aura::client::SetVisibilityClient(root_window, visibility_controller_.get());
1533 aura::client::SetDragDropClient(root_window, drag_drop_controller_.get());
1534 aura::client::SetScreenPositionClient(root_window,
1535 screen_position_controller_.get());
1536 aura::client::SetCursorClient(root_window, cursor_manager_.get());
1537 ::wm::SetTooltipClient(root_window, tooltip_controller_.get());
1538 aura::client::SetEventClient(root_window, event_client_.get());
1540 ::wm::SetWindowMoveClient(root_window, toplevel_window_event_handler_.get());
1541 root_window->AddPreTargetHandler(toplevel_window_event_handler_.get());
1542 root_window->AddPostTargetHandler(toplevel_window_event_handler_.get());
1545 void Shell::CloseAllRootWindowChildWindows() {
1546 for (aura::Window* root : GetAllRootWindows()) {
1547 RootWindowController* controller = RootWindowController::ForWindow(root);
1549 controller->CloseChildWindows();
1551 while (!root->children().empty()) {
1552 aura::Window* child = root->children()[0];
1559 bool Shell::CanWindowReceiveEvents(aura::Window* window) {
1560 RootWindowControllerList controllers = GetAllRootWindowControllers();
1561 for (RootWindowController* controller : controllers) {
1562 if (controller->CanWindowReceiveEvents(window))
1568 ////////////////////////////////////////////////////////////////////////////////
1569 // Shell, ui::EventTarget overrides:
1571 bool Shell::CanAcceptEvent(const ui::Event& event) {
1575 ui::EventTarget* Shell::GetParentTarget() {
1576 return aura::Env::GetInstance();
1579 std::unique_ptr<ui::EventTargetIterator> Shell::GetChildIterator() const {
1583 ui::EventTargeter* Shell::GetEventTargeter() {
1588 void Shell::OnWindowActivated(
1589 ::wm::ActivationChangeObserver::ActivationReason reason,
1590 aura::Window* gained_active,
1591 aura::Window* lost_active) {
1595 Shell::SetRootWindowForNewWindows(gained_active->GetRootWindow());
1598 void Shell::OnFirstSessionStarted() {
1599 // Enable magnifier scroll keys as there may be no mouse cursor in kiosk mode.
1600 MagnifierKeyScroller::SetEnabled(session_controller_->IsRunningInAppMode());
1602 // Enable long press action to toggle spoken feedback with hotrod remote
1603 // which can't handle shortcuts.
1604 SpokenFeedbackToggler::SetEnabled(session_controller_->IsRunningInAppMode());
1606 // Reset user prefs related to contextual tooltips.
1607 if (switches::ContextualNudgesResetShownCount())
1608 contextual_tooltip::ClearPrefs();
1610 // The launcher is not available before login, so start tracking usage after
1611 // the session starts.
1612 app_list_feature_usage_metrics_ =
1613 std::make_unique<AppListFeatureUsageMetrics>();
1616 void Shell::OnSessionStateChanged(session_manager::SessionState state) {
1617 const bool is_session_active = state == session_manager::SessionState::ACTIVE;
1618 // Initialize the |shelf_window_watcher_| when a session becomes active.
1619 // Shelf itself is initialized in RootWindowController.
1620 if (is_session_active && !shelf_window_watcher_) {
1621 shelf_window_watcher_ =
1622 std::make_unique<ShelfWindowWatcher>(shelf_controller()->model());
1625 // Disable drag-and-drop during OOBE and GAIA login screens by only enabling
1626 // the controller when the session is active. https://crbug.com/464118
1627 drag_drop_controller_->set_enabled(is_session_active);
1630 void Shell::OnLoginStatusChanged(LoginStatus login_status) {
1631 UpdateAfterLoginStatusChange(login_status);
1634 void Shell::OnLockStateChanged(bool locked) {
1636 // Make sure that there is no system modal in Lock layer when unlocked.
1638 aura::Window::Windows containers = GetContainersForAllRootWindows(
1639 kShellWindowId_LockSystemModalContainer, GetPrimaryRootWindow());
1640 for (aura::Window* container : containers)
1641 DCHECK(container->children().empty());