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/ash_switches.h"
15 #include "ash/autoclick/autoclick_controller.h"
16 #include "ash/desktop_background/desktop_background_controller.h"
17 #include "ash/desktop_background/desktop_background_view.h"
18 #include "ash/desktop_background/user_wallpaper_delegate.h"
19 #include "ash/display/cursor_window_controller.h"
20 #include "ash/display/display_controller.h"
21 #include "ash/display/display_manager.h"
22 #include "ash/display/event_transformation_handler.h"
23 #include "ash/display/mouse_cursor_event_filter.h"
24 #include "ash/display/screen_position_controller.h"
25 #include "ash/drag_drop/drag_drop_controller.h"
26 #include "ash/first_run/first_run_helper_impl.h"
27 #include "ash/focus_cycler.h"
28 #include "ash/frame/custom_frame_view_ash.h"
29 #include "ash/gpu_support.h"
30 #include "ash/high_contrast/high_contrast_controller.h"
31 #include "ash/host/ash_window_tree_host_init_params.h"
32 #include "ash/keyboard_uma_event_filter.h"
33 #include "ash/magnifier/magnification_controller.h"
34 #include "ash/magnifier/partial_magnification_controller.h"
35 #include "ash/media_delegate.h"
36 #include "ash/new_window_delegate.h"
37 #include "ash/root_window_controller.h"
38 #include "ash/session/session_state_delegate.h"
39 #include "ash/shelf/app_list_shelf_item_delegate.h"
40 #include "ash/shelf/shelf_delegate.h"
41 #include "ash/shelf/shelf_item_delegate.h"
42 #include "ash/shelf/shelf_item_delegate_manager.h"
43 #include "ash/shelf/shelf_layout_manager.h"
44 #include "ash/shelf/shelf_model.h"
45 #include "ash/shelf/shelf_widget.h"
46 #include "ash/shelf/shelf_window_watcher.h"
47 #include "ash/shell_delegate.h"
48 #include "ash/shell_factory.h"
49 #include "ash/shell_init_params.h"
50 #include "ash/shell_window_ids.h"
51 #include "ash/system/locale/locale_notification_controller.h"
52 #include "ash/system/status_area_widget.h"
53 #include "ash/system/tray/system_tray_delegate.h"
54 #include "ash/system/tray/system_tray_notifier.h"
55 #include "ash/utility/partial_screenshot_controller.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/trace_event/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/base/user_activity/user_activity_detector.h"
91 #include "ui/compositor/layer.h"
92 #include "ui/compositor/layer_animator.h"
93 #include "ui/events/event_target_iterator.h"
94 #include "ui/gfx/display.h"
95 #include "ui/gfx/geometry/size.h"
96 #include "ui/gfx/image/image_skia.h"
97 #include "ui/gfx/screen.h"
98 #include "ui/keyboard/keyboard.h"
99 #include "ui/keyboard/keyboard_controller.h"
100 #include "ui/keyboard/keyboard_switches.h"
101 #include "ui/keyboard/keyboard_util.h"
102 #include "ui/message_center/message_center.h"
103 #include "ui/views/corewm/tooltip_aura.h"
104 #include "ui/views/corewm/tooltip_controller.h"
105 #include "ui/views/focus/focus_manager_factory.h"
106 #include "ui/views/widget/native_widget_aura.h"
107 #include "ui/views/widget/widget.h"
108 #include "ui/wm/core/accelerator_filter.h"
109 #include "ui/wm/core/compound_event_filter.h"
110 #include "ui/wm/core/focus_controller.h"
111 #include "ui/wm/core/input_method_event_filter.h"
112 #include "ui/wm/core/nested_accelerator_controller.h"
113 #include "ui/wm/core/shadow_controller.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 "ui/gfx/x/x11_types.h"
120 #endif // defined(USE_X11)
121 #include "ash/accelerators/magnifier_key_scroller.h"
122 #include "ash/accelerators/spoken_feedback_toggler.h"
123 #include "ash/ash_constants.h"
124 #include "ash/content/display/display_color_manager_chromeos.h"
125 #include "ash/content/display/screen_orientation_controller_chromeos.h"
126 #include "ash/display/display_change_observer_chromeos.h"
127 #include "ash/display/display_configurator_animation.h"
128 #include "ash/display/display_error_observer_chromeos.h"
129 #include "ash/display/projecting_observer_chromeos.h"
130 #include "ash/display/resolution_notification_controller.h"
131 #include "ash/sticky_keys/sticky_keys_controller.h"
132 #include "ash/system/chromeos/bluetooth/bluetooth_notification_controller.h"
133 #include "ash/system/chromeos/brightness/brightness_controller_chromeos.h"
134 #include "ash/system/chromeos/power/power_event_observer.h"
135 #include "ash/system/chromeos/power/power_status.h"
136 #include "ash/system/chromeos/power/video_activity_notifier.h"
137 #include "ash/system/chromeos/session/last_window_closed_logout_reminder.h"
138 #include "ash/system/chromeos/session/logout_confirmation_controller.h"
139 #include "ash/touch/touch_transformer_controller.h"
140 #include "ash/virtual_keyboard_controller.h"
141 #include "base/bind_helpers.h"
142 #include "base/sys_info.h"
143 #include "chromeos/dbus/dbus_thread_manager.h"
144 #include "ui/chromeos/user_activity_power_manager_notifier.h"
145 #include "ui/display/chromeos/display_configurator.h"
146 #endif // defined(OS_CHROMEOS)
155 // A Corewm VisibilityController subclass that calls the Ash animation routine
156 // so we can pick up our extended animations. See ash/wm/window_animations.h.
157 class AshVisibilityController
: public ::wm::VisibilityController
{
159 AshVisibilityController() {}
160 ~AshVisibilityController() override
{}
163 // Overridden from ::wm::VisibilityController:
164 bool CallAnimateOnChildWindowVisibilityChanged(aura::Window
* window
,
165 bool visible
) override
{
166 return AnimateOnChildWindowVisibilityChanged(window
, visible
);
169 DISALLOW_COPY_AND_ASSIGN(AshVisibilityController
);
172 AshWindowTreeHostInitParams
ShellInitParamsToAshWindowTreeHostInitParams(
173 const ShellInitParams
& shell_init_params
) {
174 AshWindowTreeHostInitParams ash_init_params
;
176 ash_init_params
.remote_hwnd
= shell_init_params
.remote_hwnd
;
178 return ash_init_params
;
184 Shell
* Shell::instance_
= NULL
;
186 bool Shell::initially_hide_cursor_
= false;
188 ////////////////////////////////////////////////////////////////////////////////
192 Shell
* Shell::CreateInstance(const ShellInitParams
& init_params
) {
194 instance_
= new Shell(init_params
.delegate
);
195 instance_
->Init(init_params
);
200 Shell
* Shell::GetInstance() {
206 bool Shell::HasInstance() {
211 void Shell::DeleteInstance() {
217 RootWindowController
* Shell::GetPrimaryRootWindowController() {
218 CHECK(HasInstance());
219 return GetRootWindowController(GetPrimaryRootWindow());
223 Shell::RootWindowControllerList
Shell::GetAllRootWindowControllers() {
224 CHECK(HasInstance());
225 return Shell::GetInstance()->display_controller()->
226 GetAllRootWindowControllers();
230 aura::Window
* Shell::GetPrimaryRootWindow() {
231 CHECK(HasInstance());
232 return GetInstance()->display_controller()->GetPrimaryRootWindow();
236 aura::Window
* Shell::GetTargetRootWindow() {
237 CHECK(HasInstance());
238 Shell
* shell
= GetInstance();
239 if (shell
->scoped_target_root_window_
)
240 return shell
->scoped_target_root_window_
;
241 return shell
->target_root_window_
;
245 gfx::Screen
* Shell::GetScreen() {
246 return gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE
);
250 aura::Window::Windows
Shell::GetAllRootWindows() {
251 CHECK(HasInstance());
252 return Shell::GetInstance()->display_controller()->
257 aura::Window
* Shell::GetContainer(aura::Window
* root_window
,
259 return root_window
->GetChildById(container_id
);
263 const aura::Window
* Shell::GetContainer(const aura::Window
* root_window
,
265 return root_window
->GetChildById(container_id
);
269 std::vector
<aura::Window
*> Shell::GetContainersFromAllRootWindows(
271 aura::Window
* priority_root
) {
272 std::vector
<aura::Window
*> containers
;
273 aura::Window::Windows root_windows
= GetAllRootWindows();
274 for (aura::Window::Windows::const_iterator it
= root_windows
.begin();
275 it
!= root_windows
.end(); ++it
) {
276 aura::Window
* container
= (*it
)->GetChildById(container_id
);
278 if (priority_root
&& priority_root
->Contains(container
))
279 containers
.insert(containers
.begin(), container
);
281 containers
.push_back(container
);
287 void Shell::ShowContextMenu(const gfx::Point
& location_in_screen
,
288 ui::MenuSourceType source_type
) {
289 // No context menus if there is no session with an active user.
290 if (!session_state_delegate_
->NumberOfLoggedInUsers())
292 // No context menus when screen is locked.
293 if (session_state_delegate_
->IsScreenLocked())
297 wm::GetRootWindowMatching(gfx::Rect(location_in_screen
, gfx::Size()));
298 GetRootWindowController(root
)
299 ->ShowContextMenu(location_in_screen
, source_type
);
302 void Shell::ShowAppList(aura::Window
* window
) {
303 // If the context window is not given, show it on the target root window.
305 window
= GetTargetRootWindow();
306 if (!app_list_controller_
)
307 app_list_controller_
.reset(new AppListController
);
308 app_list_controller_
->Show(window
);
311 void Shell::DismissAppList() {
312 if (!app_list_controller_
)
314 app_list_controller_
->Dismiss();
317 void Shell::ToggleAppList(aura::Window
* window
) {
318 if (app_list_controller_
&& app_list_controller_
->IsVisible()) {
326 bool Shell::GetAppListTargetVisibility() const {
327 return app_list_controller_
.get() &&
328 app_list_controller_
->GetTargetVisibility();
331 aura::Window
* Shell::GetAppListWindow() {
332 return app_list_controller_
.get() ? app_list_controller_
->GetWindow() : NULL
;
335 app_list::AppListView
* Shell::GetAppListView() {
336 return app_list_controller_
.get() ? app_list_controller_
->GetView() : NULL
;
339 bool Shell::IsSystemModalWindowOpen() const {
340 if (simulate_modal_window_open_for_testing_
)
342 const std::vector
<aura::Window
*> containers
= GetContainersFromAllRootWindows(
343 kShellWindowId_SystemModalContainer
, NULL
);
344 for (std::vector
<aura::Window
*>::const_iterator cit
= containers
.begin();
345 cit
!= containers
.end(); ++cit
) {
346 for (aura::Window::Windows::const_iterator wit
= (*cit
)->children().begin();
347 wit
!= (*cit
)->children().end(); ++wit
) {
348 if ((*wit
)->GetProperty(aura::client::kModalKey
) ==
349 ui::MODAL_TYPE_SYSTEM
&& (*wit
)->TargetVisibility()) {
357 views::NonClientFrameView
* Shell::CreateDefaultNonClientFrameView(
358 views::Widget
* widget
) {
359 // Use translucent-style window frames for dialogs.
360 return new CustomFrameViewAsh(widget
);
363 void Shell::RotateFocus(Direction direction
) {
364 focus_cycler_
->RotateFocus(direction
== FORWARD
? FocusCycler::FORWARD
365 : FocusCycler::BACKWARD
);
368 void Shell::SetDisplayWorkAreaInsets(Window
* contains
,
369 const gfx::Insets
& insets
) {
370 if (!display_controller_
->UpdateWorkAreaOfDisplayNearestWindow(
374 FOR_EACH_OBSERVER(ShellObserver
, observers_
,
375 OnDisplayWorkAreaInsetsChanged());
378 void Shell::OnLoginStateChanged(user::LoginStatus status
) {
379 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnLoginStateChanged(status
));
382 void Shell::OnLoginUserProfilePrepared() {
387 void Shell::UpdateAfterLoginStatusChange(user::LoginStatus status
) {
388 RootWindowControllerList controllers
= GetAllRootWindowControllers();
389 for (RootWindowControllerList::iterator iter
= controllers
.begin();
390 iter
!= controllers
.end(); ++iter
)
391 (*iter
)->UpdateAfterLoginStatusChange(status
);
394 void Shell::OnAppTerminating() {
395 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnAppTerminating());
398 void Shell::OnLockStateChanged(bool locked
) {
399 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnLockStateChanged(locked
));
401 // Make sure that there is no system modal in Lock layer when unlocked.
403 std::vector
<aura::Window
*> containers
= GetContainersFromAllRootWindows(
404 kShellWindowId_LockSystemModalContainer
, GetPrimaryRootWindow());
405 for (std::vector
<aura::Window
*>::const_iterator iter
= containers
.begin();
406 iter
!= containers
.end(); ++iter
) {
407 DCHECK_EQ(0u, (*iter
)->children().size());
413 void Shell::OnCastingSessionStartedOrStopped(bool started
) {
414 #if defined(OS_CHROMEOS)
415 FOR_EACH_OBSERVER(ShellObserver
, observers_
,
416 OnCastingSessionStartedOrStopped(started
));
420 void Shell::OnOverviewModeStarting() {
421 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnOverviewModeStarting());
424 void Shell::OnOverviewModeEnded() {
425 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnOverviewModeEnded());
428 void Shell::OnMaximizeModeStarted() {
429 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnMaximizeModeStarted());
432 void Shell::OnMaximizeModeEnded() {
433 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnMaximizeModeEnded());
436 void Shell::OnRootWindowAdded(aura::Window
* root_window
) {
437 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnRootWindowAdded(root_window
));
440 void Shell::CreateShelf() {
441 RootWindowControllerList controllers
= GetAllRootWindowControllers();
442 for (RootWindowControllerList::iterator iter
= controllers
.begin();
443 iter
!= controllers
.end(); ++iter
)
444 (*iter
)->shelf()->CreateShelf();
447 void Shell::OnShelfCreatedForRootWindow(aura::Window
* root_window
) {
448 FOR_EACH_OBSERVER(ShellObserver
,
450 OnShelfCreatedForRootWindow(root_window
));
453 void Shell::CreateKeyboard() {
454 // TODO(bshe): Primary root window controller may not be the controller to
455 // attach virtual keyboard. See http://crbug.com/303429
457 GetPrimaryRootWindowController()->
458 ActivateKeyboard(keyboard::KeyboardController::GetInstance());
461 void Shell::DeactivateKeyboard() {
462 if (keyboard::KeyboardController::GetInstance()) {
463 RootWindowControllerList controllers
= GetAllRootWindowControllers();
464 for (RootWindowControllerList::iterator iter
= controllers
.begin();
465 iter
!= controllers
.end(); ++iter
) {
466 (*iter
)->DeactivateKeyboard(keyboard::KeyboardController::GetInstance());
469 keyboard::KeyboardController::ResetInstance(NULL
);
472 void Shell::ShowShelf() {
473 RootWindowControllerList controllers
= GetAllRootWindowControllers();
474 for (RootWindowControllerList::iterator iter
= controllers
.begin();
475 iter
!= controllers
.end(); ++iter
)
476 (*iter
)->ShowShelf();
479 void Shell::AddShellObserver(ShellObserver
* observer
) {
480 observers_
.AddObserver(observer
);
483 void Shell::RemoveShellObserver(ShellObserver
* observer
) {
484 observers_
.RemoveObserver(observer
);
487 #if defined(OS_CHROMEOS)
488 bool Shell::ShouldSaveDisplaySettings() {
489 // TODO(oshima): Allow saving the settings even in unified desktop mode.
490 return !(screen_orientation_controller_
491 ->ignore_display_configuration_updates() ||
492 resolution_notification_controller_
->DoesNotificationTimeout()) &&
493 !switches::UnifiedDesktopEnabled();
497 void Shell::UpdateShelfVisibility() {
498 RootWindowControllerList controllers
= GetAllRootWindowControllers();
499 for (RootWindowControllerList::iterator iter
= controllers
.begin();
500 iter
!= controllers
.end(); ++iter
)
501 if ((*iter
)->shelf())
502 (*iter
)->UpdateShelfVisibility();
505 void Shell::SetShelfAutoHideBehavior(ShelfAutoHideBehavior behavior
,
506 aura::Window
* root_window
) {
507 ash::ShelfLayoutManager::ForShelf(root_window
)->SetAutoHideBehavior(behavior
);
510 ShelfAutoHideBehavior
Shell::GetShelfAutoHideBehavior(
511 aura::Window
* root_window
) const {
512 return ash::ShelfLayoutManager::ForShelf(root_window
)->auto_hide_behavior();
515 void Shell::SetShelfAlignment(ShelfAlignment alignment
,
516 aura::Window
* root_window
) {
517 if (ash::ShelfLayoutManager::ForShelf(root_window
)->SetAlignment(alignment
)) {
519 ShellObserver
, observers_
, OnShelfAlignmentChanged(root_window
));
523 ShelfAlignment
Shell::GetShelfAlignment(const aura::Window
* root_window
) {
524 return GetRootWindowController(root_window
)
525 ->GetShelfLayoutManager()
529 void Shell::SetDimming(bool should_dim
) {
530 RootWindowControllerList controllers
= GetAllRootWindowControllers();
531 for (RootWindowControllerList::iterator iter
= controllers
.begin();
532 iter
!= controllers
.end(); ++iter
)
533 (*iter
)->screen_dimmer()->SetDimming(should_dim
);
536 void Shell::NotifyFullscreenStateChange(bool is_fullscreen
,
537 aura::Window
* root_window
) {
538 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnFullscreenStateChanged(
539 is_fullscreen
, root_window
));
542 void Shell::CreateModalBackground(aura::Window
* window
) {
543 if (!modality_filter_
) {
544 modality_filter_
.reset(new SystemModalContainerEventFilter(this));
545 AddPreTargetHandler(modality_filter_
.get());
547 RootWindowControllerList controllers
= GetAllRootWindowControllers();
548 for (RootWindowControllerList::iterator iter
= controllers
.begin();
549 iter
!= controllers
.end(); ++iter
)
550 (*iter
)->GetSystemModalLayoutManager(window
)->CreateModalBackground();
553 void Shell::OnModalWindowRemoved(aura::Window
* removed
) {
554 RootWindowControllerList controllers
= GetAllRootWindowControllers();
555 bool activated
= false;
556 for (RootWindowControllerList::iterator iter
= controllers
.begin();
557 iter
!= controllers
.end() && !activated
; ++iter
) {
558 activated
= (*iter
)->GetSystemModalLayoutManager(removed
)->
559 ActivateNextModalWindow();
562 RemovePreTargetHandler(modality_filter_
.get());
563 modality_filter_
.reset();
564 for (RootWindowControllerList::iterator iter
= controllers
.begin();
565 iter
!= controllers
.end(); ++iter
)
566 (*iter
)->GetSystemModalLayoutManager(removed
)->DestroyModalBackground();
570 WebNotificationTray
* Shell::GetWebNotificationTray() {
571 return GetPrimaryRootWindowController()->shelf()->
572 status_area_widget()->web_notification_tray();
575 bool Shell::HasPrimaryStatusArea() {
576 ShelfWidget
* shelf
= GetPrimaryRootWindowController()->shelf();
577 return shelf
&& shelf
->status_area_widget();
580 SystemTray
* Shell::GetPrimarySystemTray() {
581 return GetPrimaryRootWindowController()->GetSystemTray();
584 ShelfDelegate
* Shell::GetShelfDelegate() {
585 if (!shelf_delegate_
) {
586 shelf_model_
.reset(new ShelfModel
);
587 // Creates ShelfItemDelegateManager before ShelfDelegate.
588 shelf_item_delegate_manager_
.reset(
589 new ShelfItemDelegateManager(shelf_model_
.get()));
591 shelf_delegate_
.reset(delegate_
->CreateShelfDelegate(shelf_model_
.get()));
592 scoped_ptr
<ShelfItemDelegate
> controller(new AppListShelfItemDelegate
);
594 // Finding the shelf model's location of the app list and setting its
595 // ShelfItemDelegate.
596 int app_list_index
= shelf_model_
->GetItemIndexForType(TYPE_APP_LIST
);
597 DCHECK_GE(app_list_index
, 0);
598 ShelfID app_list_id
= shelf_model_
->items()[app_list_index
].id
;
600 shelf_item_delegate_manager_
->SetShelfItemDelegate(app_list_id
,
602 shelf_window_watcher_
.reset(new ShelfWindowWatcher(
603 shelf_model_
.get(), shelf_item_delegate_manager_
.get()));
605 return shelf_delegate_
.get();
608 void Shell::SetTouchHudProjectionEnabled(bool enabled
) {
609 if (is_touch_hud_projection_enabled_
== enabled
)
612 is_touch_hud_projection_enabled_
= enabled
;
613 FOR_EACH_OBSERVER(ShellObserver
, observers_
,
614 OnTouchHudProjectionToggled(enabled
));
617 #if defined(OS_CHROMEOS)
618 ash::FirstRunHelper
* Shell::CreateFirstRunHelper() {
619 return new ash::FirstRunHelperImpl
;
622 void Shell::SetCursorCompositingEnabled(bool enabled
) {
623 display_controller_
->cursor_window_controller()->SetCursorCompositingEnabled(
625 native_cursor_manager_
->SetNativeCursorEnabled(!enabled
);
627 #endif // defined(OS_CHROMEOS)
629 void Shell::DoInitialWorkspaceAnimation() {
630 return GetPrimaryRootWindowController()->workspace_controller()->
631 DoInitialAnimation();
634 ////////////////////////////////////////////////////////////////////////////////
637 Shell::Shell(ShellDelegate
* delegate
)
638 : target_root_window_(NULL
),
639 scoped_target_root_window_(NULL
),
641 window_positioner_(new WindowPositioner
),
642 activation_client_(NULL
),
643 #if defined(OS_CHROMEOS)
644 display_configurator_(new ui::DisplayConfigurator()),
645 #endif // defined(OS_CHROMEOS)
646 native_cursor_manager_(new AshNativeCursorManager
),
648 scoped_ptr
<::wm::NativeCursorManager
>(native_cursor_manager_
)),
649 simulate_modal_window_open_for_testing_(false),
650 is_touch_hud_projection_enabled_(false) {
651 DCHECK(delegate_
.get());
652 gpu_support_
.reset(delegate_
->CreateGPUSupport());
653 display_manager_
.reset(new DisplayManager
);
654 display_controller_
.reset(new DisplayController
);
655 user_metrics_recorder_
.reset(new UserMetricsRecorder
);
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)
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(overlay_filter_
.get());
685 RemovePreTargetHandler(input_method_filter_
.get());
686 RemovePreTargetHandler(accelerator_filter_
.get());
687 RemovePreTargetHandler(event_transformation_handler_
.get());
688 RemovePreTargetHandler(toplevel_window_event_handler_
.get());
689 RemovePostTargetHandler(toplevel_window_event_handler_
.get());
690 RemovePreTargetHandler(system_gesture_filter_
.get());
691 RemovePreTargetHandler(keyboard_metrics_filter_
.get());
692 RemovePreTargetHandler(mouse_cursor_filter_
.get());
694 // TooltipController is deleted with the Shell so removing its references.
695 RemovePreTargetHandler(tooltip_controller_
.get());
697 #if defined(OS_CHROMEOS)
698 screen_orientation_controller_
.reset();
701 // Destroy the virtual keyboard controller before the maximize mode controller
702 // since the latters destructor triggers events that the former is listening
703 // to but no longer cares about.
704 #if defined(OS_CHROMEOS)
705 virtual_keyboard_controller_
.reset();
708 // Destroy maximize mode controller early on since it has some observers which
709 // need to be removed.
710 maximize_mode_controller_
.reset();
712 // AppList needs to be released before shelf layout manager, which is
713 // destroyed with shelf container in the loop below. However, app list
714 // container is now on top of shelf container and released after it.
715 // TODO(xiyuan): Move it back when app list container is no longer needed.
716 app_list_controller_
.reset();
718 #if defined(OS_CHROMEOS)
719 // Destroy the LastWindowClosedLogoutReminder before the
720 // LogoutConfirmationController.
721 last_window_closed_logout_reminder_
.reset();
723 // Destroy the LogoutConfirmationController before the SystemTrayDelegate.
724 logout_confirmation_controller_
.reset();
727 // Destroy SystemTrayDelegate before destroying the status area(s).
728 system_tray_delegate_
->Shutdown();
729 system_tray_delegate_
.reset();
731 locale_notification_controller_
.reset();
733 // Drag-and-drop must be canceled prior to close all windows.
734 drag_drop_controller_
.reset();
736 // Controllers who have WindowObserver added must be deleted
737 // before |display_controller_| is deleted.
739 #if defined(OS_CHROMEOS)
740 // VideoActivityNotifier must be deleted before |video_detector_| is
741 // deleted because it's observing video activity through
742 // VideoDetectorObserver interface.
743 video_activity_notifier_
.reset();
744 #endif // defined(OS_CHROMEOS)
745 video_detector_
.reset();
746 high_contrast_controller_
.reset();
748 shadow_controller_
.reset();
749 resize_shadow_controller_
.reset();
751 window_cycle_controller_
.reset();
752 window_selector_controller_
.reset();
753 mru_window_tracker_
.reset();
755 // |shelf_window_watcher_| has a weak pointer to |shelf_Model_|
756 // and has window observers.
757 shelf_window_watcher_
.reset();
759 // Destroy all child windows including widgets.
760 display_controller_
->CloseChildWindows();
761 display_controller_
->CloseMirroringDisplay();
763 // Chrome implementation of shelf delegate depends on FocusClient,
764 // so must be deleted before |focus_client_|.
765 shelf_delegate_
.reset();
766 focus_client_
.reset();
768 // Destroy SystemTrayNotifier after destroying SystemTray as TrayItems
769 // needs to remove observers from it.
770 system_tray_notifier_
.reset();
772 // These need a valid Shell instance to clean up properly, so explicitly
773 // delete them before invalidating the instance.
774 // Alphabetical. TODO(oshima): sort.
775 magnification_controller_
.reset();
776 partial_magnification_controller_
.reset();
777 tooltip_controller_
.reset();
778 event_client_
.reset();
779 nested_accelerator_controller_
.reset();
780 toplevel_window_event_handler_
.reset();
781 visibility_controller_
.reset();
782 // |shelf_item_delegate_manager_| observes |shelf_model_|. It must be
783 // destroyed before |shelf_model_| is destroyed.
784 shelf_item_delegate_manager_
.reset();
785 shelf_model_
.reset();
787 power_button_controller_
.reset();
788 lock_state_controller_
.reset();
790 #if defined(OS_CHROMEOS)
791 resolution_notification_controller_
.reset();
793 desktop_background_controller_
.reset();
794 partial_screenshot_controller_
.reset();
795 mouse_cursor_filter_
.reset();
797 #if defined(OS_CHROMEOS)
798 touch_transformer_controller_
.reset();
799 #endif // defined(OS_CHROMEOS)
801 // This also deletes all RootWindows. Note that we invoke Shutdown() on
802 // DisplayController before resetting |display_controller_|, since destruction
803 // of its owned RootWindowControllers relies on the value.
804 display_manager_
->CreateScreenForShutdown();
805 display_controller_
->Shutdown();
806 display_controller_
.reset();
807 screen_position_controller_
.reset();
808 accessibility_delegate_
.reset();
809 new_window_delegate_
.reset();
810 media_delegate_
.reset();
812 keyboard::KeyboardController::ResetInstance(NULL
);
814 #if defined(OS_CHROMEOS)
815 display_color_manager_
.reset();
816 if (display_change_observer_
)
817 display_configurator_
->RemoveObserver(display_change_observer_
.get());
818 if (display_configurator_animation_
)
819 display_configurator_
->RemoveObserver(
820 display_configurator_animation_
.get());
821 if (display_error_observer_
)
822 display_configurator_
->RemoveObserver(display_error_observer_
.get());
823 if (projecting_observer_
) {
824 display_configurator_
->RemoveObserver(projecting_observer_
.get());
825 RemoveShellObserver(projecting_observer_
.get());
827 display_change_observer_
.reset();
829 PowerStatus::Shutdown();
831 // Ensure that DBusThreadManager outlives this Shell.
832 DCHECK(chromeos::DBusThreadManager::IsInitialized());
835 DCHECK(instance_
== this);
839 void Shell::Init(const ShellInitParams
& init_params
) {
840 delegate_
->PreInit();
841 bool display_initialized
= display_manager_
->InitFromCommandLine();
842 #if defined(OS_CHROMEOS)
843 display_configurator_
->Init(!gpu_support_
->IsPanelFittingDisabled());
844 display_configurator_animation_
.reset(new DisplayConfiguratorAnimation());
845 display_configurator_
->AddObserver(display_configurator_animation_
.get());
847 // The DBusThreadManager must outlive this Shell. See the DCHECK in ~Shell.
848 chromeos::DBusThreadManager
* dbus_thread_manager
=
849 chromeos::DBusThreadManager::Get();
850 projecting_observer_
.reset(
851 new ProjectingObserver(dbus_thread_manager
->GetPowerManagerClient()));
852 display_configurator_
->AddObserver(projecting_observer_
.get());
853 AddShellObserver(projecting_observer_
.get());
855 if (!display_initialized
&& base::SysInfo::IsRunningOnChromeOS()) {
856 display_change_observer_
.reset(new DisplayChangeObserver
);
857 // Register |display_change_observer_| first so that the rest of
858 // observer gets invoked after the root windows are configured.
859 display_configurator_
->AddObserver(display_change_observer_
.get());
860 display_error_observer_
.reset(new DisplayErrorObserver());
861 display_configurator_
->AddObserver(display_error_observer_
.get());
862 display_configurator_
->set_state_controller(display_change_observer_
.get());
863 display_configurator_
->set_mirroring_controller(display_manager_
.get());
864 display_configurator_
->ForceInitialConfigure(
865 delegate_
->IsFirstRunAfterBoot() ? kChromeOsBootColor
: 0);
866 display_initialized
= true;
868 display_color_manager_
.reset(
869 new DisplayColorManager(display_configurator_
.get()));
870 #endif // defined(OS_CHROMEOS)
871 if (!display_initialized
)
872 display_manager_
->InitDefaultDisplay();
874 display_manager_
->RefreshFontParams();
876 // Install the custom factory first so that views::FocusManagers for Tray,
877 // Shelf, and WallPaper could be created by the factory.
878 views::FocusManagerFactory::Install(new AshFocusManagerFactory
);
880 aura::Env::CreateInstance(true);
881 aura::Env::GetInstance()->set_context_factory(init_params
.context_factory
);
883 // The WindowModalityController needs to be at the front of the input event
884 // pretarget handler list to ensure that it processes input events when modal
885 // windows are active.
886 window_modality_controller_
.reset(
887 new ::wm::WindowModalityController(this));
889 env_filter_
.reset(new ::wm::CompoundEventFilter
);
890 AddPreTargetHandler(env_filter_
.get());
892 wm::AshFocusRules
* focus_rules
= new wm::AshFocusRules();
894 ::wm::FocusController
* focus_controller
=
895 new ::wm::FocusController(focus_rules
);
896 focus_client_
.reset(focus_controller
);
897 activation_client_
= focus_controller
;
898 activation_client_
->AddObserver(this);
899 focus_cycler_
.reset(new FocusCycler());
901 screen_position_controller_
.reset(new ScreenPositionController
);
903 display_controller_
->Start();
904 display_controller_
->CreatePrimaryHost(
905 ShellInitParamsToAshWindowTreeHostInitParams(init_params
));
906 aura::Window
* root_window
= display_controller_
->GetPrimaryRootWindow();
907 target_root_window_
= root_window
;
909 #if defined(OS_CHROMEOS)
910 resolution_notification_controller_
.reset(
911 new ResolutionNotificationController
);
914 cursor_manager_
.SetDisplay(GetScreen()->GetPrimaryDisplay());
916 nested_accelerator_controller_
.reset(
917 new ::wm::NestedAcceleratorController(new NestedAcceleratorDelegate
));
918 accelerator_controller_
.reset(new AcceleratorController
);
919 maximize_mode_controller_
.reset(new MaximizeModeController());
921 #if defined(OS_CHROMEOS)
922 magnifier_key_scroll_handler_
= MagnifierKeyScroller::CreateHandler();
923 AddPreTargetHandler(magnifier_key_scroll_handler_
.get());
924 speech_feedback_handler_
= SpokenFeedbackToggler::CreateHandler();
925 AddPreTargetHandler(speech_feedback_handler_
.get());
928 // The order in which event filters are added is significant.
930 // ui::UserActivityDetector passes events to observers, so let them get
932 user_activity_detector_
.reset(new ui::UserActivityDetector
);
934 overlay_filter_
.reset(new OverlayEventFilter
);
935 AddPreTargetHandler(overlay_filter_
.get());
936 AddShellObserver(overlay_filter_
.get());
938 input_method_filter_
.reset(new ::wm::InputMethodEventFilter(
939 root_window
->GetHost()->GetAcceleratedWidget()));
940 AddPreTargetHandler(input_method_filter_
.get());
942 accelerator_filter_
.reset(new ::wm::AcceleratorFilter(
943 scoped_ptr
< ::wm::AcceleratorDelegate
>(new AcceleratorDelegate
).Pass(),
944 accelerator_controller_
->accelerator_history()));
945 AddPreTargetHandler(accelerator_filter_
.get());
947 event_transformation_handler_
.reset(new EventTransformationHandler
);
948 AddPreTargetHandler(event_transformation_handler_
.get());
950 toplevel_window_event_handler_
.reset(new ToplevelWindowEventHandler
);
952 system_gesture_filter_
.reset(new SystemGestureEventFilter
);
953 AddPreTargetHandler(system_gesture_filter_
.get());
955 keyboard_metrics_filter_
.reset(new KeyboardUMAEventFilter
);
956 AddPreTargetHandler(keyboard_metrics_filter_
.get());
958 // The keyboard system must be initialized before the RootWindowController is
960 #if defined(OS_CHROMEOS)
961 keyboard::InitializeKeyboard();
964 #if defined(OS_CHROMEOS)
965 sticky_keys_controller_
.reset(new StickyKeysController
);
968 lock_state_controller_
.reset(new LockStateController
);
969 power_button_controller_
.reset(new PowerButtonController(
970 lock_state_controller_
.get()));
971 #if defined(OS_CHROMEOS)
972 // Pass the initial display state to PowerButtonController.
973 power_button_controller_
->OnDisplayModeChanged(
974 display_configurator_
->cached_displays());
976 AddShellObserver(lock_state_controller_
.get());
978 drag_drop_controller_
.reset(new DragDropController
);
979 // |partial_screenshot_controller_| needs to be created (and prepended as a
980 // pre-target handler) at this point, because |mouse_cursor_filter_| needs to
981 // process mouse events prior to partial screenshot session.
982 // See http://crbug.com/459214
983 partial_screenshot_controller_
.reset(new PartialScreenshotController());
984 mouse_cursor_filter_
.reset(new MouseCursorEventFilter());
985 PrependPreTargetHandler(mouse_cursor_filter_
.get());
987 // Create Controllers that may need root window.
988 // TODO(oshima): Move as many controllers before creating
989 // RootWindowController as possible.
990 visibility_controller_
.reset(new AshVisibilityController
);
992 magnification_controller_
.reset(
993 MagnificationController::CreateInstance());
994 mru_window_tracker_
.reset(new MruWindowTracker(activation_client_
,
997 partial_magnification_controller_
.reset(
998 new PartialMagnificationController());
1000 autoclick_controller_
.reset(AutoclickController::CreateInstance());
1002 high_contrast_controller_
.reset(new HighContrastController
);
1003 video_detector_
.reset(new VideoDetector
);
1004 window_selector_controller_
.reset(new WindowSelectorController());
1005 window_cycle_controller_
.reset(new WindowCycleController());
1007 tooltip_controller_
.reset(new views::corewm::TooltipController(
1008 scoped_ptr
<views::corewm::Tooltip
>(new views::corewm::TooltipAura
)));
1009 AddPreTargetHandler(tooltip_controller_
.get());
1011 event_client_
.reset(new EventClientImpl
);
1013 // This controller needs to be set before SetupManagedWindowMode.
1014 desktop_background_controller_
.reset(new DesktopBackgroundController());
1015 user_wallpaper_delegate_
.reset(delegate_
->CreateUserWallpaperDelegate());
1017 session_state_delegate_
.reset(delegate_
->CreateSessionStateDelegate());
1018 accessibility_delegate_
.reset(delegate_
->CreateAccessibilityDelegate());
1019 new_window_delegate_
.reset(delegate_
->CreateNewWindowDelegate());
1020 media_delegate_
.reset(delegate_
->CreateMediaDelegate());
1022 resize_shadow_controller_
.reset(new ResizeShadowController());
1023 shadow_controller_
.reset(
1024 new ::wm::ShadowController(activation_client_
));
1026 // Create system_tray_notifier_ before the delegate.
1027 system_tray_notifier_
.reset(new ash::SystemTrayNotifier());
1029 // Initialize system_tray_delegate_ before initializing StatusAreaWidget.
1030 system_tray_delegate_
.reset(delegate()->CreateSystemTrayDelegate());
1031 DCHECK(system_tray_delegate_
.get());
1033 locale_notification_controller_
.reset(new LocaleNotificationController
);
1035 // Initialize system_tray_delegate_ after StatusAreaWidget is created.
1036 system_tray_delegate_
->Initialize();
1038 #if defined(OS_CHROMEOS)
1039 // Create the LogoutConfirmationController after the SystemTrayDelegate.
1040 logout_confirmation_controller_
.reset(new LogoutConfirmationController(
1041 base::Bind(&SystemTrayDelegate::SignOut
,
1042 base::Unretained(system_tray_delegate_
.get()))));
1044 // Create TouchTransformerController before DisplayController::InitDisplays()
1045 // since TouchTransformerController listens on
1046 // DisplayController::Observer::OnDisplaysInitialized().
1047 touch_transformer_controller_
.reset(new TouchTransformerController());
1048 #endif // defined(OS_CHROMEOS)
1050 display_controller_
->InitDisplays();
1052 #if defined(OS_CHROMEOS)
1053 // Needs to be created after InitDisplays() since it may cause the virtual
1054 // keyboard to be deployed.
1055 virtual_keyboard_controller_
.reset(new VirtualKeyboardController
);
1056 #endif // defined(OS_CHROMEOS)
1058 // It needs to be created after RootWindowController has been created
1059 // (which calls OnWindowResized has been called, otherwise the
1060 // widget will not paint when restoring after a browser crash. Also it needs
1061 // to be created after InitSecondaryDisplays() to initialize the wallpapers in
1062 // the correct size.
1063 user_wallpaper_delegate_
->InitializeWallpaper();
1065 if (initially_hide_cursor_
)
1066 cursor_manager_
.HideCursor();
1067 cursor_manager_
.SetCursor(ui::kCursorPointer
);
1069 #if defined(OS_CHROMEOS)
1070 // Set accelerator controller delegates.
1071 accelerator_controller_
->SetBrightnessControlDelegate(
1072 scoped_ptr
<ash::BrightnessControlDelegate
>(
1073 new ash::system::BrightnessControllerChromeos
).Pass());
1075 power_event_observer_
.reset(new PowerEventObserver());
1076 user_activity_notifier_
.reset(
1077 new ui::UserActivityPowerManagerNotifier(user_activity_detector_
.get()));
1078 video_activity_notifier_
.reset(
1079 new VideoActivityNotifier(video_detector_
.get()));
1080 bluetooth_notification_controller_
.reset(new BluetoothNotificationController
);
1081 last_window_closed_logout_reminder_
.reset(new LastWindowClosedLogoutReminder
);
1082 screen_orientation_controller_
.reset(new ScreenOrientationController());
1084 // The compositor thread and main message loop have to be running in
1085 // order to create mirror window. Run it after the main message loop
1087 display_manager_
->CreateMirrorWindowAsyncIfAny();
1090 void Shell::InitKeyboard() {
1091 if (keyboard::IsKeyboardEnabled()) {
1092 if (keyboard::KeyboardController::GetInstance()) {
1093 RootWindowControllerList controllers
= GetAllRootWindowControllers();
1094 for (RootWindowControllerList::iterator iter
= controllers
.begin();
1095 iter
!= controllers
.end(); ++iter
) {
1096 (*iter
)->DeactivateKeyboard(
1097 keyboard::KeyboardController::GetInstance());
1100 keyboard::KeyboardControllerProxy
* proxy
=
1101 delegate_
->CreateKeyboardControllerProxy();
1102 keyboard::KeyboardController::ResetInstance(
1103 new keyboard::KeyboardController(proxy
));
1107 void Shell::InitRootWindow(aura::Window
* root_window
) {
1108 DCHECK(activation_client_
);
1109 DCHECK(visibility_controller_
.get());
1110 DCHECK(drag_drop_controller_
.get());
1112 aura::client::SetFocusClient(root_window
, focus_client_
.get());
1113 input_method_filter_
->SetInputMethodPropertyInRootWindow(root_window
);
1114 aura::client::SetActivationClient(root_window
, activation_client_
);
1115 ::wm::FocusController
* focus_controller
=
1116 static_cast< ::wm::FocusController
*>(activation_client_
);
1117 root_window
->AddPreTargetHandler(focus_controller
);
1118 aura::client::SetVisibilityClient(root_window
, visibility_controller_
.get());
1119 aura::client::SetDragDropClient(root_window
, drag_drop_controller_
.get());
1120 aura::client::SetScreenPositionClient(root_window
,
1121 screen_position_controller_
.get());
1122 aura::client::SetCursorClient(root_window
, &cursor_manager_
);
1123 aura::client::SetTooltipClient(root_window
, tooltip_controller_
.get());
1124 aura::client::SetEventClient(root_window
, event_client_
.get());
1126 aura::client::SetWindowMoveClient(root_window
,
1127 toplevel_window_event_handler_
.get());
1128 root_window
->AddPreTargetHandler(toplevel_window_event_handler_
.get());
1129 root_window
->AddPostTargetHandler(toplevel_window_event_handler_
.get());
1131 if (nested_accelerator_controller_
) {
1132 aura::client::SetDispatcherClient(root_window
,
1133 nested_accelerator_controller_
.get());
1137 bool Shell::CanWindowReceiveEvents(aura::Window
* window
) {
1138 RootWindowControllerList controllers
= GetAllRootWindowControllers();
1139 for (RootWindowControllerList::iterator iter
= controllers
.begin();
1140 iter
!= controllers
.end(); ++iter
) {
1141 SystemModalContainerLayoutManager
* layout_manager
=
1142 (*iter
)->GetSystemModalLayoutManager(window
);
1143 if (layout_manager
&& layout_manager
->CanWindowReceiveEvents(window
))
1145 // Allow events to fall through to the virtual keyboard even if displaying
1146 // a system modal dialog.
1147 if ((*iter
)->IsVirtualKeyboardWindow(window
))
1154 ////////////////////////////////////////////////////////////////////////////////
1155 // Shell, ui::EventTarget overrides:
1157 bool Shell::CanAcceptEvent(const ui::Event
& event
) {
1161 ui::EventTarget
* Shell::GetParentTarget() {
1162 return aura::Env::GetInstance();
1165 scoped_ptr
<ui::EventTargetIterator
> Shell::GetChildIterator() const {
1166 return scoped_ptr
<ui::EventTargetIterator
>();
1169 ui::EventTargeter
* Shell::GetEventTargeter() {
1174 void Shell::OnEvent(ui::Event
* event
) {
1177 ////////////////////////////////////////////////////////////////////////////////
1178 // Shell, aura::client::ActivationChangeObserver implementation:
1180 void Shell::OnWindowActivated(aura::Window
* gained_active
,
1181 aura::Window
* lost_active
) {
1183 target_root_window_
= gained_active
->GetRootWindow();