1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
10 #include "ash/accelerators/accelerator_controller.h"
11 #include "ash/accelerators/accelerator_delegate.h"
12 #include "ash/accelerators/focus_manager_factory.h"
13 #include "ash/accelerators/nested_accelerator_delegate.h"
14 #include "ash/accelerometer/accelerometer_controller.h"
15 #include "ash/ash_switches.h"
16 #include "ash/autoclick/autoclick_controller.h"
17 #include "ash/desktop_background/desktop_background_controller.h"
18 #include "ash/desktop_background/desktop_background_view.h"
19 #include "ash/desktop_background/user_wallpaper_delegate.h"
20 #include "ash/display/cursor_window_controller.h"
21 #include "ash/display/display_controller.h"
22 #include "ash/display/display_manager.h"
23 #include "ash/display/event_transformation_handler.h"
24 #include "ash/display/mouse_cursor_event_filter.h"
25 #include "ash/display/screen_position_controller.h"
26 #include "ash/drag_drop/drag_drop_controller.h"
27 #include "ash/first_run/first_run_helper_impl.h"
28 #include "ash/focus_cycler.h"
29 #include "ash/frame/custom_frame_view_ash.h"
30 #include "ash/gpu_support.h"
31 #include "ash/high_contrast/high_contrast_controller.h"
32 #include "ash/host/ash_window_tree_host_init_params.h"
33 #include "ash/keyboard_uma_event_filter.h"
34 #include "ash/magnifier/magnification_controller.h"
35 #include "ash/magnifier/partial_magnification_controller.h"
36 #include "ash/media_delegate.h"
37 #include "ash/new_window_delegate.h"
38 #include "ash/root_window_controller.h"
39 #include "ash/session/session_state_delegate.h"
40 #include "ash/shelf/app_list_shelf_item_delegate.h"
41 #include "ash/shelf/shelf_delegate.h"
42 #include "ash/shelf/shelf_item_delegate.h"
43 #include "ash/shelf/shelf_item_delegate_manager.h"
44 #include "ash/shelf/shelf_layout_manager.h"
45 #include "ash/shelf/shelf_model.h"
46 #include "ash/shelf/shelf_widget.h"
47 #include "ash/shelf/shelf_window_watcher.h"
48 #include "ash/shell_delegate.h"
49 #include "ash/shell_factory.h"
50 #include "ash/shell_init_params.h"
51 #include "ash/shell_window_ids.h"
52 #include "ash/system/locale/locale_notification_controller.h"
53 #include "ash/system/status_area_widget.h"
54 #include "ash/system/tray/system_tray_delegate.h"
55 #include "ash/system/tray/system_tray_notifier.h"
56 #include "ash/wm/app_list_controller.h"
57 #include "ash/wm/ash_focus_rules.h"
58 #include "ash/wm/ash_native_cursor_manager.h"
59 #include "ash/wm/coordinate_conversion.h"
60 #include "ash/wm/event_client_impl.h"
61 #include "ash/wm/lock_state_controller.h"
62 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
63 #include "ash/wm/maximize_mode/maximize_mode_window_manager.h"
64 #include "ash/wm/mru_window_tracker.h"
65 #include "ash/wm/overlay_event_filter.h"
66 #include "ash/wm/overview/window_selector_controller.h"
67 #include "ash/wm/power_button_controller.h"
68 #include "ash/wm/resize_shadow_controller.h"
69 #include "ash/wm/root_window_layout_manager.h"
70 #include "ash/wm/screen_dimmer.h"
71 #include "ash/wm/system_gesture_event_filter.h"
72 #include "ash/wm/system_modal_container_event_filter.h"
73 #include "ash/wm/system_modal_container_layout_manager.h"
74 #include "ash/wm/toplevel_window_event_handler.h"
75 #include "ash/wm/video_detector.h"
76 #include "ash/wm/window_animations.h"
77 #include "ash/wm/window_cycle_controller.h"
78 #include "ash/wm/window_positioner.h"
79 #include "ash/wm/window_properties.h"
80 #include "ash/wm/window_util.h"
81 #include "ash/wm/workspace_controller.h"
82 #include "base/bind.h"
83 #include "base/debug/trace_event.h"
84 #include "ui/aura/client/aura_constants.h"
85 #include "ui/aura/env.h"
86 #include "ui/aura/layout_manager.h"
87 #include "ui/aura/window.h"
88 #include "ui/aura/window_event_dispatcher.h"
89 #include "ui/base/ui_base_switches.h"
90 #include "ui/compositor/layer.h"
91 #include "ui/compositor/layer_animator.h"
92 #include "ui/events/event_target_iterator.h"
93 #include "ui/gfx/display.h"
94 #include "ui/gfx/image/image_skia.h"
95 #include "ui/gfx/screen.h"
96 #include "ui/gfx/size.h"
97 #include "ui/keyboard/keyboard.h"
98 #include "ui/keyboard/keyboard_controller.h"
99 #include "ui/keyboard/keyboard_switches.h"
100 #include "ui/keyboard/keyboard_util.h"
101 #include "ui/message_center/message_center.h"
102 #include "ui/views/corewm/tooltip_aura.h"
103 #include "ui/views/corewm/tooltip_controller.h"
104 #include "ui/views/focus/focus_manager_factory.h"
105 #include "ui/views/widget/native_widget_aura.h"
106 #include "ui/views/widget/widget.h"
107 #include "ui/wm/core/accelerator_filter.h"
108 #include "ui/wm/core/compound_event_filter.h"
109 #include "ui/wm/core/focus_controller.h"
110 #include "ui/wm/core/input_method_event_filter.h"
111 #include "ui/wm/core/nested_accelerator_controller.h"
112 #include "ui/wm/core/shadow_controller.h"
113 #include "ui/wm/core/user_activity_detector.h"
114 #include "ui/wm/core/visibility_controller.h"
115 #include "ui/wm/core/window_modality_controller.h"
117 #if defined(OS_CHROMEOS)
119 #include "ash/accelerators/magnifier_key_scroller.h"
120 #include "ash/accelerators/spoken_feedback_toggler.h"
121 #include "ash/touch/touch_transformer_controller.h"
122 #include "ui/gfx/x/x11_types.h"
123 #endif // defined(USE_X11)
124 #include "ash/ash_constants.h"
125 #include "ash/display/display_change_observer_chromeos.h"
126 #include "ash/display/display_configurator_animation.h"
127 #include "ash/display/display_error_observer_chromeos.h"
128 #include "ash/display/projecting_observer_chromeos.h"
129 #include "ash/display/resolution_notification_controller.h"
130 #include "ash/sticky_keys/sticky_keys_controller.h"
131 #include "ash/system/chromeos/bluetooth/bluetooth_notification_controller.h"
132 #include "ash/system/chromeos/brightness/brightness_controller_chromeos.h"
133 #include "ash/system/chromeos/power/power_event_observer.h"
134 #include "ash/system/chromeos/power/power_status.h"
135 #include "ash/system/chromeos/power/video_activity_notifier.h"
136 #include "ash/system/chromeos/session/last_window_closed_logout_reminder.h"
137 #include "ash/system/chromeos/session/logout_confirmation_controller.h"
138 #include "ash/virtual_keyboard_controller.h"
139 #include "base/bind_helpers.h"
140 #include "base/sys_info.h"
141 #include "chromeos/dbus/dbus_thread_manager.h"
142 #include "ui/chromeos/user_activity_power_manager_notifier.h"
143 #include "ui/display/chromeos/display_configurator.h"
144 #endif // defined(OS_CHROMEOS)
153 // A Corewm VisibilityController subclass that calls the Ash animation routine
154 // so we can pick up our extended animations. See ash/wm/window_animations.h.
155 class AshVisibilityController
: public ::wm::VisibilityController
{
157 AshVisibilityController() {}
158 ~AshVisibilityController() override
{}
161 // Overridden from ::wm::VisibilityController:
162 bool CallAnimateOnChildWindowVisibilityChanged(aura::Window
* window
,
163 bool visible
) override
{
164 return AnimateOnChildWindowVisibilityChanged(window
, visible
);
167 DISALLOW_COPY_AND_ASSIGN(AshVisibilityController
);
170 AshWindowTreeHostInitParams
ShellInitParamsToAshWindowTreeHostInitParams(
171 const ShellInitParams
& shell_init_params
) {
172 AshWindowTreeHostInitParams ash_init_params
;
174 ash_init_params
.remote_hwnd
= shell_init_params
.remote_hwnd
;
176 return ash_init_params
;
182 Shell
* Shell::instance_
= NULL
;
184 bool Shell::initially_hide_cursor_
= false;
186 ////////////////////////////////////////////////////////////////////////////////
190 Shell
* Shell::CreateInstance(const ShellInitParams
& init_params
) {
192 instance_
= new Shell(init_params
.delegate
);
193 instance_
->Init(init_params
);
198 Shell
* Shell::GetInstance() {
204 bool Shell::HasInstance() {
209 void Shell::DeleteInstance() {
215 RootWindowController
* Shell::GetPrimaryRootWindowController() {
216 CHECK(HasInstance());
217 return GetRootWindowController(GetPrimaryRootWindow());
221 Shell::RootWindowControllerList
Shell::GetAllRootWindowControllers() {
222 CHECK(HasInstance());
223 return Shell::GetInstance()->display_controller()->
224 GetAllRootWindowControllers();
228 aura::Window
* Shell::GetPrimaryRootWindow() {
229 CHECK(HasInstance());
230 return GetInstance()->display_controller()->GetPrimaryRootWindow();
234 aura::Window
* Shell::GetTargetRootWindow() {
235 CHECK(HasInstance());
236 Shell
* shell
= GetInstance();
237 if (shell
->scoped_target_root_window_
)
238 return shell
->scoped_target_root_window_
;
239 return shell
->target_root_window_
;
243 gfx::Screen
* Shell::GetScreen() {
244 return gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE
);
248 aura::Window::Windows
Shell::GetAllRootWindows() {
249 CHECK(HasInstance());
250 return Shell::GetInstance()->display_controller()->
255 aura::Window
* Shell::GetContainer(aura::Window
* root_window
,
257 return root_window
->GetChildById(container_id
);
261 const aura::Window
* Shell::GetContainer(const aura::Window
* root_window
,
263 return root_window
->GetChildById(container_id
);
267 std::vector
<aura::Window
*> Shell::GetContainersFromAllRootWindows(
269 aura::Window
* priority_root
) {
270 std::vector
<aura::Window
*> containers
;
271 aura::Window::Windows root_windows
= GetAllRootWindows();
272 for (aura::Window::Windows::const_iterator it
= root_windows
.begin();
273 it
!= root_windows
.end(); ++it
) {
274 aura::Window
* container
= (*it
)->GetChildById(container_id
);
276 if (priority_root
&& priority_root
->Contains(container
))
277 containers
.insert(containers
.begin(), container
);
279 containers
.push_back(container
);
285 void Shell::ShowContextMenu(const gfx::Point
& location_in_screen
,
286 ui::MenuSourceType source_type
) {
287 // No context menus if there is no session with an active user.
288 if (!session_state_delegate_
->NumberOfLoggedInUsers())
290 // No context menus when screen is locked.
291 if (session_state_delegate_
->IsScreenLocked())
295 wm::GetRootWindowMatching(gfx::Rect(location_in_screen
, gfx::Size()));
296 GetRootWindowController(root
)
297 ->ShowContextMenu(location_in_screen
, source_type
);
300 void Shell::ShowAppList(aura::Window
* window
) {
301 // If the context window is not given, show it on the target root window.
303 window
= GetTargetRootWindow();
304 if (!app_list_controller_
)
305 app_list_controller_
.reset(new AppListController
);
306 app_list_controller_
->Show(window
);
309 void Shell::DismissAppList() {
310 if (!app_list_controller_
)
312 app_list_controller_
->Dismiss();
315 void Shell::ToggleAppList(aura::Window
* window
) {
316 if (app_list_controller_
&& app_list_controller_
->IsVisible()) {
324 bool Shell::GetAppListTargetVisibility() const {
325 return app_list_controller_
.get() &&
326 app_list_controller_
->GetTargetVisibility();
329 aura::Window
* Shell::GetAppListWindow() {
330 return app_list_controller_
.get() ? app_list_controller_
->GetWindow() : NULL
;
333 app_list::AppListView
* Shell::GetAppListView() {
334 return app_list_controller_
.get() ? app_list_controller_
->GetView() : NULL
;
337 bool Shell::IsSystemModalWindowOpen() const {
338 if (simulate_modal_window_open_for_testing_
)
340 const std::vector
<aura::Window
*> containers
= GetContainersFromAllRootWindows(
341 kShellWindowId_SystemModalContainer
, NULL
);
342 for (std::vector
<aura::Window
*>::const_iterator cit
= containers
.begin();
343 cit
!= containers
.end(); ++cit
) {
344 for (aura::Window::Windows::const_iterator wit
= (*cit
)->children().begin();
345 wit
!= (*cit
)->children().end(); ++wit
) {
346 if ((*wit
)->GetProperty(aura::client::kModalKey
) ==
347 ui::MODAL_TYPE_SYSTEM
&& (*wit
)->TargetVisibility()) {
355 views::NonClientFrameView
* Shell::CreateDefaultNonClientFrameView(
356 views::Widget
* widget
) {
357 // Use translucent-style window frames for dialogs.
358 return new CustomFrameViewAsh(widget
);
361 void Shell::RotateFocus(Direction direction
) {
362 focus_cycler_
->RotateFocus(direction
== FORWARD
? FocusCycler::FORWARD
363 : FocusCycler::BACKWARD
);
366 void Shell::SetDisplayWorkAreaInsets(Window
* contains
,
367 const gfx::Insets
& insets
) {
368 if (!display_controller_
->UpdateWorkAreaOfDisplayNearestWindow(
372 FOR_EACH_OBSERVER(ShellObserver
, observers_
,
373 OnDisplayWorkAreaInsetsChanged());
376 void Shell::OnLoginStateChanged(user::LoginStatus status
) {
377 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnLoginStateChanged(status
));
380 void Shell::OnLoginUserProfilePrepared() {
385 void Shell::UpdateAfterLoginStatusChange(user::LoginStatus status
) {
386 RootWindowControllerList controllers
= GetAllRootWindowControllers();
387 for (RootWindowControllerList::iterator iter
= controllers
.begin();
388 iter
!= controllers
.end(); ++iter
)
389 (*iter
)->UpdateAfterLoginStatusChange(status
);
392 void Shell::OnAppTerminating() {
393 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnAppTerminating());
396 void Shell::OnLockStateChanged(bool locked
) {
397 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnLockStateChanged(locked
));
399 // Make sure that there is no system modal in Lock layer when unlocked.
401 std::vector
<aura::Window
*> containers
= GetContainersFromAllRootWindows(
402 kShellWindowId_LockSystemModalContainer
, GetPrimaryRootWindow());
403 for (std::vector
<aura::Window
*>::const_iterator iter
= containers
.begin();
404 iter
!= containers
.end(); ++iter
) {
405 DCHECK_EQ(0u, (*iter
)->children().size());
411 void Shell::OnCastingSessionStartedOrStopped(bool started
) {
412 #if defined(OS_CHROMEOS) && defined(USE_X11)
413 if (projecting_observer_
)
414 projecting_observer_
->OnCastingSessionStartedOrStopped(started
);
418 void Shell::OnOverviewModeStarting() {
419 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnOverviewModeStarting());
422 void Shell::OnOverviewModeEnding() {
423 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnOverviewModeEnding());
426 void Shell::OnMaximizeModeStarted() {
427 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnMaximizeModeStarted());
430 void Shell::OnMaximizeModeEnded() {
431 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnMaximizeModeEnded());
434 void Shell::OnRootWindowAdded(aura::Window
* root_window
) {
435 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnRootWindowAdded(root_window
));
438 void Shell::CreateShelf() {
439 RootWindowControllerList controllers
= GetAllRootWindowControllers();
440 for (RootWindowControllerList::iterator iter
= controllers
.begin();
441 iter
!= controllers
.end(); ++iter
)
442 (*iter
)->shelf()->CreateShelf();
445 void Shell::OnShelfCreatedForRootWindow(aura::Window
* root_window
) {
446 FOR_EACH_OBSERVER(ShellObserver
,
448 OnShelfCreatedForRootWindow(root_window
));
451 void Shell::CreateKeyboard() {
452 // TODO(bshe): Primary root window controller may not be the controller to
453 // attach virtual keyboard. See http://crbug.com/303429
455 GetPrimaryRootWindowController()->
456 ActivateKeyboard(keyboard::KeyboardController::GetInstance());
459 void Shell::DeactivateKeyboard() {
460 if (keyboard::KeyboardController::GetInstance()) {
461 RootWindowControllerList controllers
= GetAllRootWindowControllers();
462 for (RootWindowControllerList::iterator iter
= controllers
.begin();
463 iter
!= controllers
.end(); ++iter
) {
464 (*iter
)->DeactivateKeyboard(keyboard::KeyboardController::GetInstance());
467 keyboard::KeyboardController::ResetInstance(NULL
);
470 void Shell::ShowShelf() {
471 RootWindowControllerList controllers
= GetAllRootWindowControllers();
472 for (RootWindowControllerList::iterator iter
= controllers
.begin();
473 iter
!= controllers
.end(); ++iter
)
474 (*iter
)->ShowShelf();
477 void Shell::AddShellObserver(ShellObserver
* observer
) {
478 observers_
.AddObserver(observer
);
481 void Shell::RemoveShellObserver(ShellObserver
* observer
) {
482 observers_
.RemoveObserver(observer
);
485 #if defined(OS_CHROMEOS)
486 bool Shell::ShouldSaveDisplaySettings() {
487 return !((maximize_mode_controller_
->IsMaximizeModeWindowManagerEnabled() &&
488 maximize_mode_controller_
->
489 ignore_display_configuration_updates()) ||
490 resolution_notification_controller_
->DoesNotificationTimeout());
494 void Shell::UpdateShelfVisibility() {
495 RootWindowControllerList controllers
= GetAllRootWindowControllers();
496 for (RootWindowControllerList::iterator iter
= controllers
.begin();
497 iter
!= controllers
.end(); ++iter
)
498 if ((*iter
)->shelf())
499 (*iter
)->UpdateShelfVisibility();
502 void Shell::SetShelfAutoHideBehavior(ShelfAutoHideBehavior behavior
,
503 aura::Window
* root_window
) {
504 ash::ShelfLayoutManager::ForShelf(root_window
)->SetAutoHideBehavior(behavior
);
507 ShelfAutoHideBehavior
Shell::GetShelfAutoHideBehavior(
508 aura::Window
* root_window
) const {
509 return ash::ShelfLayoutManager::ForShelf(root_window
)->auto_hide_behavior();
512 void Shell::SetShelfAlignment(ShelfAlignment alignment
,
513 aura::Window
* root_window
) {
514 if (ash::ShelfLayoutManager::ForShelf(root_window
)->SetAlignment(alignment
)) {
516 ShellObserver
, observers_
, OnShelfAlignmentChanged(root_window
));
520 ShelfAlignment
Shell::GetShelfAlignment(const aura::Window
* root_window
) {
521 return GetRootWindowController(root_window
)
522 ->GetShelfLayoutManager()
526 void Shell::SetDimming(bool should_dim
) {
527 RootWindowControllerList controllers
= GetAllRootWindowControllers();
528 for (RootWindowControllerList::iterator iter
= controllers
.begin();
529 iter
!= controllers
.end(); ++iter
)
530 (*iter
)->screen_dimmer()->SetDimming(should_dim
);
533 void Shell::NotifyFullscreenStateChange(bool is_fullscreen
,
534 aura::Window
* root_window
) {
535 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnFullscreenStateChanged(
536 is_fullscreen
, root_window
));
539 void Shell::CreateModalBackground(aura::Window
* window
) {
540 if (!modality_filter_
) {
541 modality_filter_
.reset(new SystemModalContainerEventFilter(this));
542 AddPreTargetHandler(modality_filter_
.get());
544 RootWindowControllerList controllers
= GetAllRootWindowControllers();
545 for (RootWindowControllerList::iterator iter
= controllers
.begin();
546 iter
!= controllers
.end(); ++iter
)
547 (*iter
)->GetSystemModalLayoutManager(window
)->CreateModalBackground();
550 void Shell::OnModalWindowRemoved(aura::Window
* removed
) {
551 RootWindowControllerList controllers
= GetAllRootWindowControllers();
552 bool activated
= false;
553 for (RootWindowControllerList::iterator iter
= controllers
.begin();
554 iter
!= controllers
.end() && !activated
; ++iter
) {
555 activated
= (*iter
)->GetSystemModalLayoutManager(removed
)->
556 ActivateNextModalWindow();
559 RemovePreTargetHandler(modality_filter_
.get());
560 modality_filter_
.reset();
561 for (RootWindowControllerList::iterator iter
= controllers
.begin();
562 iter
!= controllers
.end(); ++iter
)
563 (*iter
)->GetSystemModalLayoutManager(removed
)->DestroyModalBackground();
567 WebNotificationTray
* Shell::GetWebNotificationTray() {
568 return GetPrimaryRootWindowController()->shelf()->
569 status_area_widget()->web_notification_tray();
572 bool Shell::HasPrimaryStatusArea() {
573 ShelfWidget
* shelf
= GetPrimaryRootWindowController()->shelf();
574 return shelf
&& shelf
->status_area_widget();
577 SystemTray
* Shell::GetPrimarySystemTray() {
578 return GetPrimaryRootWindowController()->GetSystemTray();
581 ShelfDelegate
* Shell::GetShelfDelegate() {
582 if (!shelf_delegate_
) {
583 shelf_model_
.reset(new ShelfModel
);
584 // Creates ShelfItemDelegateManager before ShelfDelegate.
585 shelf_item_delegate_manager_
.reset(
586 new ShelfItemDelegateManager(shelf_model_
.get()));
588 shelf_delegate_
.reset(delegate_
->CreateShelfDelegate(shelf_model_
.get()));
589 scoped_ptr
<ShelfItemDelegate
> controller(new AppListShelfItemDelegate
);
591 // Finding the shelf model's location of the app list and setting its
592 // ShelfItemDelegate.
593 int app_list_index
= shelf_model_
->GetItemIndexForType(TYPE_APP_LIST
);
594 DCHECK_GE(app_list_index
, 0);
595 ShelfID app_list_id
= shelf_model_
->items()[app_list_index
].id
;
597 shelf_item_delegate_manager_
->SetShelfItemDelegate(app_list_id
,
599 shelf_window_watcher_
.reset(new ShelfWindowWatcher(
600 shelf_model_
.get(), shelf_item_delegate_manager_
.get()));
602 return shelf_delegate_
.get();
605 void Shell::SetTouchHudProjectionEnabled(bool enabled
) {
606 if (is_touch_hud_projection_enabled_
== enabled
)
609 is_touch_hud_projection_enabled_
= enabled
;
610 FOR_EACH_OBSERVER(ShellObserver
, observers_
,
611 OnTouchHudProjectionToggled(enabled
));
614 #if defined(OS_CHROMEOS)
615 ash::FirstRunHelper
* Shell::CreateFirstRunHelper() {
616 return new ash::FirstRunHelperImpl
;
619 void Shell::SetCursorCompositingEnabled(bool enabled
) {
620 display_controller_
->cursor_window_controller()->SetCursorCompositingEnabled(
622 native_cursor_manager_
->SetNativeCursorEnabled(!enabled
);
624 #endif // defined(OS_CHROMEOS)
626 void Shell::DoInitialWorkspaceAnimation() {
627 return GetPrimaryRootWindowController()->workspace_controller()->
628 DoInitialAnimation();
631 ////////////////////////////////////////////////////////////////////////////////
634 Shell::Shell(ShellDelegate
* delegate
)
635 : target_root_window_(NULL
),
636 scoped_target_root_window_(NULL
),
638 window_positioner_(new WindowPositioner
),
639 activation_client_(NULL
),
640 accelerometer_controller_(new AccelerometerController()),
641 #if defined(OS_CHROMEOS)
642 display_configurator_(new ui::DisplayConfigurator()),
643 #endif // defined(OS_CHROMEOS)
644 native_cursor_manager_(new AshNativeCursorManager
),
646 scoped_ptr
< ::wm::NativeCursorManager
>(native_cursor_manager_
)),
647 simulate_modal_window_open_for_testing_(false),
648 is_touch_hud_projection_enabled_(false) {
649 DCHECK(delegate_
.get());
650 gpu_support_
.reset(delegate_
->CreateGPUSupport());
651 display_manager_
.reset(new DisplayManager
);
652 display_controller_
.reset(new DisplayController
);
653 #if defined(OS_CHROMEOS) && defined(USE_X11)
654 user_metrics_recorder_
.reset(new UserMetricsRecorder
);
655 #endif // defined(OS_CHROMEOS)
657 #if defined(OS_CHROMEOS)
658 PowerStatus::Initialize();
663 TRACE_EVENT0("shutdown", "ash::Shell::Destructor");
665 delegate_
->PreShutdown();
667 views::FocusManagerFactory::Install(NULL
);
669 // Remove the focus from any window. This will prevent overhead and side
670 // effects (e.g. crashes) from changing focus during shutdown.
671 // See bug crbug.com/134502.
672 aura::client::GetFocusClient(GetPrimaryRootWindow())->FocusWindow(NULL
);
674 // Please keep in same order as in Init() because it's easy to miss one.
675 if (window_modality_controller_
)
676 window_modality_controller_
.reset();
677 #if defined(OS_CHROMEOS) && defined(USE_X11)
678 RemovePreTargetHandler(magnifier_key_scroll_handler_
.get());
679 magnifier_key_scroll_handler_
.reset();
681 RemovePreTargetHandler(speech_feedback_handler_
.get());
682 speech_feedback_handler_
.reset();
684 RemovePreTargetHandler(user_activity_detector_
.get());
685 RemovePreTargetHandler(overlay_filter_
.get());
686 RemovePreTargetHandler(input_method_filter_
.get());
687 RemovePreTargetHandler(accelerator_filter_
.get());
688 RemovePreTargetHandler(event_transformation_handler_
.get());
689 RemovePreTargetHandler(toplevel_window_event_handler_
.get());
690 RemovePostTargetHandler(toplevel_window_event_handler_
.get());
691 RemovePreTargetHandler(system_gesture_filter_
.get());
692 RemovePreTargetHandler(keyboard_metrics_filter_
.get());
693 RemovePreTargetHandler(mouse_cursor_filter_
.get());
695 // TooltipController is deleted with the Shell so removing its references.
696 RemovePreTargetHandler(tooltip_controller_
.get());
698 // Destroy maximize mode controller early on since it has some observers which
699 // need to be removed.
700 maximize_mode_controller_
->Shutdown();
701 maximize_mode_controller_
.reset();
703 // AppList needs to be released before shelf layout manager, which is
704 // destroyed with shelf container in the loop below. However, app list
705 // container is now on top of shelf container and released after it.
706 // TODO(xiyuan): Move it back when app list container is no longer needed.
707 app_list_controller_
.reset();
709 #if defined(OS_CHROMEOS)
710 // Destroy the LastWindowClosedLogoutReminder before the
711 // LogoutConfirmationController.
712 last_window_closed_logout_reminder_
.reset();
714 // Destroy the LogoutConfirmationController before the SystemTrayDelegate.
715 logout_confirmation_controller_
.reset();
718 // Destroy SystemTrayDelegate before destroying the status area(s).
719 system_tray_delegate_
->Shutdown();
720 system_tray_delegate_
.reset();
722 locale_notification_controller_
.reset();
724 // Drag-and-drop must be canceled prior to close all windows.
725 drag_drop_controller_
.reset();
727 // Controllers who have WindowObserver added must be deleted
728 // before |display_controller_| is deleted.
730 #if defined(OS_CHROMEOS)
731 // VideoActivityNotifier must be deleted before |video_detector_| is
732 // deleted because it's observing video activity through
733 // VideoDetectorObserver interface.
734 video_activity_notifier_
.reset();
735 #endif // defined(OS_CHROMEOS)
736 video_detector_
.reset();
737 high_contrast_controller_
.reset();
739 shadow_controller_
.reset();
740 resize_shadow_controller_
.reset();
742 window_cycle_controller_
.reset();
743 window_selector_controller_
.reset();
744 mru_window_tracker_
.reset();
746 // |shelf_window_watcher_| has a weak pointer to |shelf_Model_|
747 // and has window observers.
748 shelf_window_watcher_
.reset();
750 // Destroy all child windows including widgets.
751 display_controller_
->CloseChildWindows();
752 display_controller_
->CloseNonDesktopDisplay();
754 // Chrome implementation of shelf delegate depends on FocusClient,
755 // so must be deleted before |focus_client_|.
756 shelf_delegate_
.reset();
757 focus_client_
.reset();
759 // Destroy SystemTrayNotifier after destroying SystemTray as TrayItems
760 // needs to remove observers from it.
761 system_tray_notifier_
.reset();
763 // These need a valid Shell instance to clean up properly, so explicitly
764 // delete them before invalidating the instance.
765 // Alphabetical. TODO(oshima): sort.
766 magnification_controller_
.reset();
767 partial_magnification_controller_
.reset();
768 tooltip_controller_
.reset();
769 event_client_
.reset();
770 nested_accelerator_controller_
.reset();
771 toplevel_window_event_handler_
.reset();
772 visibility_controller_
.reset();
773 // |shelf_item_delegate_manager_| observes |shelf_model_|. It must be
774 // destroyed before |shelf_model_| is destroyed.
775 shelf_item_delegate_manager_
.reset();
776 shelf_model_
.reset();
778 power_button_controller_
.reset();
779 lock_state_controller_
.reset();
781 #if defined(OS_CHROMEOS)
782 resolution_notification_controller_
.reset();
784 desktop_background_controller_
.reset();
785 mouse_cursor_filter_
.reset();
787 #if defined(OS_CHROMEOS) && defined(USE_X11)
788 touch_transformer_controller_
.reset();
789 #endif // defined(OS_CHROMEOS) && defined(USE_X11)
791 // This also deletes all RootWindows. Note that we invoke Shutdown() on
792 // DisplayController before resetting |display_controller_|, since destruction
793 // of its owned RootWindowControllers relies on the value.
794 display_manager_
->CreateScreenForShutdown();
795 display_controller_
->Shutdown();
796 display_controller_
.reset();
797 #if defined(OS_CHROMEOS)
798 virtual_keyboard_controller_
.reset();
800 screen_position_controller_
.reset();
801 accessibility_delegate_
.reset();
802 new_window_delegate_
.reset();
803 media_delegate_
.reset();
805 keyboard::KeyboardController::ResetInstance(NULL
);
807 #if defined(OS_CHROMEOS)
808 if (display_change_observer_
)
809 display_configurator_
->RemoveObserver(display_change_observer_
.get());
810 if (display_configurator_animation_
)
811 display_configurator_
->RemoveObserver(
812 display_configurator_animation_
.get());
813 if (display_error_observer_
)
814 display_configurator_
->RemoveObserver(display_error_observer_
.get());
815 if (projecting_observer_
)
816 display_configurator_
->RemoveObserver(projecting_observer_
.get());
817 display_change_observer_
.reset();
819 PowerStatus::Shutdown();
821 // Ensure that DBusThreadManager outlives this Shell.
822 DCHECK(chromeos::DBusThreadManager::IsInitialized());
825 DCHECK(instance_
== this);
829 void Shell::Init(const ShellInitParams
& init_params
) {
830 delegate_
->PreInit();
831 bool display_initialized
= display_manager_
->InitFromCommandLine();
832 #if defined(OS_CHROMEOS)
833 display_configurator_
->Init(!gpu_support_
->IsPanelFittingDisabled());
834 display_configurator_animation_
.reset(new DisplayConfiguratorAnimation());
835 display_configurator_
->AddObserver(display_configurator_animation_
.get());
837 // The DBusThreadManager must outlive this Shell. See the DCHECK in ~Shell.
838 chromeos::DBusThreadManager
* dbus_thread_manager
=
839 chromeos::DBusThreadManager::Get();
840 projecting_observer_
.reset(
841 new ProjectingObserver(dbus_thread_manager
->GetPowerManagerClient()));
842 display_configurator_
->AddObserver(projecting_observer_
.get());
844 if (!display_initialized
&& base::SysInfo::IsRunningOnChromeOS()) {
845 display_change_observer_
.reset(new DisplayChangeObserver
);
846 // Register |display_change_observer_| first so that the rest of
847 // observer gets invoked after the root windows are configured.
848 display_configurator_
->AddObserver(display_change_observer_
.get());
849 display_error_observer_
.reset(new DisplayErrorObserver());
850 display_configurator_
->AddObserver(display_error_observer_
.get());
851 display_configurator_
->set_state_controller(display_change_observer_
.get());
852 display_configurator_
->set_mirroring_controller(display_manager_
.get());
853 display_configurator_
->ForceInitialConfigure(
854 delegate_
->IsFirstRunAfterBoot() ? kChromeOsBootColor
: 0);
855 display_initialized
= true;
857 #endif // defined(OS_CHROMEOS)
858 if (!display_initialized
)
859 display_manager_
->InitDefaultDisplay();
861 display_manager_
->InitFontParams();
863 // Install the custom factory first so that views::FocusManagers for Tray,
864 // Shelf, and WallPaper could be created by the factory.
865 views::FocusManagerFactory::Install(new AshFocusManagerFactory
);
867 aura::Env::CreateInstance(true);
868 aura::Env::GetInstance()->set_context_factory(init_params
.context_factory
);
870 // The WindowModalityController needs to be at the front of the input event
871 // pretarget handler list to ensure that it processes input events when modal
872 // windows are active.
873 window_modality_controller_
.reset(
874 new ::wm::WindowModalityController(this));
876 env_filter_
.reset(new ::wm::CompoundEventFilter
);
877 AddPreTargetHandler(env_filter_
.get());
879 ::wm::FocusController
* focus_controller
=
880 new ::wm::FocusController(new wm::AshFocusRules
);
881 focus_client_
.reset(focus_controller
);
882 activation_client_
= focus_controller
;
883 activation_client_
->AddObserver(this);
884 focus_cycler_
.reset(new FocusCycler());
886 screen_position_controller_
.reset(new ScreenPositionController
);
888 display_controller_
->Start();
889 display_controller_
->CreatePrimaryHost(
890 ShellInitParamsToAshWindowTreeHostInitParams(init_params
));
891 aura::Window
* root_window
= display_controller_
->GetPrimaryRootWindow();
892 target_root_window_
= root_window
;
894 #if defined(OS_CHROMEOS)
895 resolution_notification_controller_
.reset(
896 new ResolutionNotificationController
);
899 cursor_manager_
.SetDisplay(GetScreen()->GetPrimaryDisplay());
901 nested_accelerator_controller_
.reset(
902 new ::wm::NestedAcceleratorController(new NestedAcceleratorDelegate
));
903 accelerator_controller_
.reset(new AcceleratorController
);
904 maximize_mode_controller_
.reset(new MaximizeModeController());
906 #if defined(OS_CHROMEOS) && defined(USE_X11)
907 magnifier_key_scroll_handler_
= MagnifierKeyScroller::CreateHandler().Pass();
908 AddPreTargetHandler(magnifier_key_scroll_handler_
.get());
909 speech_feedback_handler_
= SpokenFeedbackToggler::CreateHandler().Pass();
910 AddPreTargetHandler(speech_feedback_handler_
.get());
913 // The order in which event filters are added is significant.
915 // wm::UserActivityDetector passes events to observers, so let them get
917 user_activity_detector_
.reset(new ::wm::UserActivityDetector
);
918 AddPreTargetHandler(user_activity_detector_
.get());
920 overlay_filter_
.reset(new OverlayEventFilter
);
921 AddPreTargetHandler(overlay_filter_
.get());
922 AddShellObserver(overlay_filter_
.get());
924 input_method_filter_
.reset(new ::wm::InputMethodEventFilter(
925 root_window
->GetHost()->GetAcceleratedWidget()));
926 AddPreTargetHandler(input_method_filter_
.get());
928 accelerator_filter_
.reset(new ::wm::AcceleratorFilter(
929 scoped_ptr
< ::wm::AcceleratorDelegate
>(new AcceleratorDelegate
).Pass()));
930 AddPreTargetHandler(accelerator_filter_
.get());
932 event_transformation_handler_
.reset(new EventTransformationHandler
);
933 AddPreTargetHandler(event_transformation_handler_
.get());
935 toplevel_window_event_handler_
.reset(new ToplevelWindowEventHandler
);
937 system_gesture_filter_
.reset(new SystemGestureEventFilter
);
938 AddPreTargetHandler(system_gesture_filter_
.get());
940 keyboard_metrics_filter_
.reset(new KeyboardUMAEventFilter
);
941 AddPreTargetHandler(keyboard_metrics_filter_
.get());
943 // The keyboard system must be initialized before the RootWindowController is
945 #if defined(OS_CHROMEOS)
946 keyboard::InitializeKeyboard();
949 #if defined(OS_CHROMEOS)
950 sticky_keys_controller_
.reset(new StickyKeysController
);
953 lock_state_controller_
.reset(new LockStateController
);
954 power_button_controller_
.reset(new PowerButtonController(
955 lock_state_controller_
.get()));
956 #if defined(OS_CHROMEOS)
957 // Pass the initial display state to PowerButtonController.
958 power_button_controller_
->OnDisplayModeChanged(
959 display_configurator_
->cached_displays());
961 AddShellObserver(lock_state_controller_
.get());
963 drag_drop_controller_
.reset(new DragDropController
);
964 mouse_cursor_filter_
.reset(new MouseCursorEventFilter());
965 PrependPreTargetHandler(mouse_cursor_filter_
.get());
967 // Create Controllers that may need root window.
968 // TODO(oshima): Move as many controllers before creating
969 // RootWindowController as possible.
970 visibility_controller_
.reset(new AshVisibilityController
);
972 magnification_controller_
.reset(
973 MagnificationController::CreateInstance());
974 mru_window_tracker_
.reset(new MruWindowTracker(activation_client_
));
976 partial_magnification_controller_
.reset(
977 new PartialMagnificationController());
979 autoclick_controller_
.reset(AutoclickController::CreateInstance());
981 high_contrast_controller_
.reset(new HighContrastController
);
982 video_detector_
.reset(new VideoDetector
);
983 window_selector_controller_
.reset(new WindowSelectorController());
984 window_cycle_controller_
.reset(new WindowCycleController());
986 tooltip_controller_
.reset(
987 new views::corewm::TooltipController(
988 scoped_ptr
<views::corewm::Tooltip
>(
989 new views::corewm::TooltipAura(gfx::SCREEN_TYPE_ALTERNATE
))));
990 AddPreTargetHandler(tooltip_controller_
.get());
992 event_client_
.reset(new EventClientImpl
);
994 // This controller needs to be set before SetupManagedWindowMode.
995 desktop_background_controller_
.reset(new DesktopBackgroundController());
996 user_wallpaper_delegate_
.reset(delegate_
->CreateUserWallpaperDelegate());
998 session_state_delegate_
.reset(delegate_
->CreateSessionStateDelegate());
999 accessibility_delegate_
.reset(delegate_
->CreateAccessibilityDelegate());
1000 new_window_delegate_
.reset(delegate_
->CreateNewWindowDelegate());
1001 media_delegate_
.reset(delegate_
->CreateMediaDelegate());
1003 resize_shadow_controller_
.reset(new ResizeShadowController());
1004 shadow_controller_
.reset(
1005 new ::wm::ShadowController(activation_client_
));
1007 // Create system_tray_notifier_ before the delegate.
1008 system_tray_notifier_
.reset(new ash::SystemTrayNotifier());
1010 // Initialize system_tray_delegate_ before initializing StatusAreaWidget.
1011 system_tray_delegate_
.reset(delegate()->CreateSystemTrayDelegate());
1012 DCHECK(system_tray_delegate_
.get());
1014 locale_notification_controller_
.reset(new LocaleNotificationController
);
1016 // Initialize system_tray_delegate_ after StatusAreaWidget is created.
1017 system_tray_delegate_
->Initialize();
1019 #if defined(OS_CHROMEOS)
1020 // Create the LogoutConfirmationController after the SystemTrayDelegate.
1021 logout_confirmation_controller_
.reset(new LogoutConfirmationController(
1022 base::Bind(&SystemTrayDelegate::SignOut
,
1023 base::Unretained(system_tray_delegate_
.get()))));
1026 #if defined(OS_CHROMEOS) && defined(USE_X11)
1027 // Create TouchTransformerController before DisplayController::InitDisplays()
1028 // since TouchTransformerController listens on
1029 // DisplayController::Observer::OnDisplaysInitialized().
1030 touch_transformer_controller_
.reset(new TouchTransformerController());
1031 #endif // defined(OS_CHROMEOS) && defined(USE_X11)
1033 display_controller_
->InitDisplays();
1035 #if defined(OS_CHROMEOS)
1036 // Needs to be created after InitDisplays() since it may cause the virtual
1037 // keyboard to be deployed.
1038 virtual_keyboard_controller_
.reset(new VirtualKeyboardController
);
1039 #endif // defined(OS_CHROMEOS)
1041 // It needs to be created after RootWindowController has been created
1042 // (which calls OnWindowResized has been called, otherwise the
1043 // widget will not paint when restoring after a browser crash. Also it needs
1044 // to be created after InitSecondaryDisplays() to initialize the wallpapers in
1045 // the correct size.
1046 user_wallpaper_delegate_
->InitializeWallpaper();
1048 if (initially_hide_cursor_
)
1049 cursor_manager_
.HideCursor();
1050 cursor_manager_
.SetCursor(ui::kCursorPointer
);
1052 #if defined(OS_CHROMEOS)
1053 // Set accelerator controller delegates.
1054 accelerator_controller_
->SetBrightnessControlDelegate(
1055 scoped_ptr
<ash::BrightnessControlDelegate
>(
1056 new ash::system::BrightnessControllerChromeos
).Pass());
1058 power_event_observer_
.reset(new PowerEventObserver());
1059 user_activity_notifier_
.reset(
1060 new ui::UserActivityPowerManagerNotifier(user_activity_detector_
.get()));
1061 video_activity_notifier_
.reset(
1062 new VideoActivityNotifier(video_detector_
.get()));
1063 bluetooth_notification_controller_
.reset(new BluetoothNotificationController
);
1064 last_window_closed_logout_reminder_
.reset(new LastWindowClosedLogoutReminder
);
1067 weak_display_manager_factory_
.reset(
1068 new base::WeakPtrFactory
<DisplayManager
>(display_manager_
.get()));
1069 // The compositor thread and main message loop have to be running in
1070 // order to create mirror window. Run it after the main message loop
1072 base::MessageLoopForUI::current()->PostTask(
1074 base::Bind(&DisplayManager::CreateMirrorWindowIfAny
,
1075 weak_display_manager_factory_
->GetWeakPtr()));
1078 void Shell::InitKeyboard() {
1079 if (keyboard::IsKeyboardEnabled()) {
1080 if (keyboard::KeyboardController::GetInstance()) {
1081 RootWindowControllerList controllers
= GetAllRootWindowControllers();
1082 for (RootWindowControllerList::iterator iter
= controllers
.begin();
1083 iter
!= controllers
.end(); ++iter
) {
1084 (*iter
)->DeactivateKeyboard(
1085 keyboard::KeyboardController::GetInstance());
1088 keyboard::KeyboardControllerProxy
* proxy
=
1089 delegate_
->CreateKeyboardControllerProxy();
1090 keyboard::KeyboardController::ResetInstance(
1091 new keyboard::KeyboardController(proxy
));
1095 void Shell::InitRootWindow(aura::Window
* root_window
) {
1096 DCHECK(activation_client_
);
1097 DCHECK(visibility_controller_
.get());
1098 DCHECK(drag_drop_controller_
.get());
1100 aura::client::SetFocusClient(root_window
, focus_client_
.get());
1101 input_method_filter_
->SetInputMethodPropertyInRootWindow(root_window
);
1102 aura::client::SetActivationClient(root_window
, activation_client_
);
1103 ::wm::FocusController
* focus_controller
=
1104 static_cast< ::wm::FocusController
*>(activation_client_
);
1105 root_window
->AddPreTargetHandler(focus_controller
);
1106 aura::client::SetVisibilityClient(root_window
, visibility_controller_
.get());
1107 aura::client::SetDragDropClient(root_window
, drag_drop_controller_
.get());
1108 aura::client::SetScreenPositionClient(root_window
,
1109 screen_position_controller_
.get());
1110 aura::client::SetCursorClient(root_window
, &cursor_manager_
);
1111 aura::client::SetTooltipClient(root_window
, tooltip_controller_
.get());
1112 aura::client::SetEventClient(root_window
, event_client_
.get());
1114 aura::client::SetWindowMoveClient(root_window
,
1115 toplevel_window_event_handler_
.get());
1116 root_window
->AddPreTargetHandler(toplevel_window_event_handler_
.get());
1117 root_window
->AddPostTargetHandler(toplevel_window_event_handler_
.get());
1119 if (nested_accelerator_controller_
) {
1120 aura::client::SetDispatcherClient(root_window
,
1121 nested_accelerator_controller_
.get());
1125 bool Shell::CanWindowReceiveEvents(aura::Window
* window
) {
1126 RootWindowControllerList controllers
= GetAllRootWindowControllers();
1127 for (RootWindowControllerList::iterator iter
= controllers
.begin();
1128 iter
!= controllers
.end(); ++iter
) {
1129 SystemModalContainerLayoutManager
* layout_manager
=
1130 (*iter
)->GetSystemModalLayoutManager(window
);
1131 if (layout_manager
&& layout_manager
->CanWindowReceiveEvents(window
))
1133 // Allow events to fall through to the virtual keyboard even if displaying
1134 // a system modal dialog.
1135 if ((*iter
)->IsVirtualKeyboardWindow(window
))
1142 ////////////////////////////////////////////////////////////////////////////////
1143 // Shell, ui::EventTarget overrides:
1145 bool Shell::CanAcceptEvent(const ui::Event
& event
) {
1149 ui::EventTarget
* Shell::GetParentTarget() {
1150 return aura::Env::GetInstance();
1153 scoped_ptr
<ui::EventTargetIterator
> Shell::GetChildIterator() const {
1154 return scoped_ptr
<ui::EventTargetIterator
>();
1157 ui::EventTargeter
* Shell::GetEventTargeter() {
1162 void Shell::OnEvent(ui::Event
* event
) {
1165 ////////////////////////////////////////////////////////////////////////////////
1166 // Shell, aura::client::ActivationChangeObserver implementation:
1168 void Shell::OnWindowActivated(aura::Window
* gained_active
,
1169 aura::Window
* lost_active
) {
1171 target_root_window_
= gained_active
->GetRootWindow();