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_filter.h"
12 #include "ash/accelerators/focus_manager_factory.h"
13 #include "ash/accelerators/nested_dispatcher_controller.h"
14 #include "ash/ash_switches.h"
15 #include "ash/autoclick/autoclick_controller.h"
16 #include "ash/caps_lock_delegate.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/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/resolution_notification_controller.h"
25 #include "ash/display/screen_position_controller.h"
26 #include "ash/display/virtual_keyboard_window_controller.h"
27 #include "ash/drag_drop/drag_drop_controller.h"
28 #include "ash/first_run/first_run_helper_impl.h"
29 #include "ash/focus_cycler.h"
30 #include "ash/high_contrast/high_contrast_controller.h"
31 #include "ash/host/root_window_host_factory.h"
32 #include "ash/keyboard_uma_event_filter.h"
33 #include "ash/launcher/launcher_delegate.h"
34 #include "ash/launcher/launcher_item_delegate.h"
35 #include "ash/launcher/launcher_item_delegate_manager.h"
36 #include "ash/magnifier/magnification_controller.h"
37 #include "ash/magnifier/partial_magnification_controller.h"
38 #include "ash/media_delegate.h"
39 #include "ash/new_window_delegate.h"
40 #include "ash/root_window_controller.h"
41 #include "ash/screen_ash.h"
42 #include "ash/session_state_delegate.h"
43 #include "ash/shelf/app_list_shelf_item_delegate.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/shell_delegate.h"
48 #include "ash/shell_factory.h"
49 #include "ash/shell_window_ids.h"
50 #include "ash/system/locale/locale_notification_controller.h"
51 #include "ash/system/status_area_widget.h"
52 #include "ash/system/tray/system_tray_delegate.h"
53 #include "ash/system/tray/system_tray_notifier.h"
54 #include "ash/wm/app_list_controller.h"
55 #include "ash/wm/ash_focus_rules.h"
56 #include "ash/wm/ash_native_cursor_manager.h"
57 #include "ash/wm/base_layout_manager.h"
58 #include "ash/wm/coordinate_conversion.h"
59 #include "ash/wm/custom_frame_view_ash.h"
60 #include "ash/wm/event_client_impl.h"
61 #include "ash/wm/event_rewriter_event_filter.h"
62 #include "ash/wm/lock_state_controller.h"
63 #include "ash/wm/mru_window_tracker.h"
64 #include "ash/wm/overlay_event_filter.h"
65 #include "ash/wm/overview/window_selector_controller.h"
66 #include "ash/wm/power_button_controller.h"
67 #include "ash/wm/resize_shadow_controller.h"
68 #include "ash/wm/root_window_layout_manager.h"
69 #include "ash/wm/screen_dimmer.h"
70 #include "ash/wm/system_gesture_event_filter.h"
71 #include "ash/wm/system_modal_container_event_filter.h"
72 #include "ash/wm/system_modal_container_layout_manager.h"
73 #include "ash/wm/user_activity_detector.h"
74 #include "ash/wm/video_detector.h"
75 #include "ash/wm/window_animations.h"
76 #include "ash/wm/window_cycle_controller.h"
77 #include "ash/wm/window_positioner.h"
78 #include "ash/wm/window_properties.h"
79 #include "ash/wm/window_util.h"
80 #include "ash/wm/workspace_controller.h"
81 #include "base/bind.h"
82 #include "base/command_line.h"
83 #include "base/debug/leak_annotations.h"
84 #include "base/debug/trace_event.h"
85 #include "ui/aura/client/aura_constants.h"
86 #include "ui/aura/client/user_action_client.h"
87 #include "ui/aura/env.h"
88 #include "ui/aura/layout_manager.h"
89 #include "ui/aura/root_window.h"
90 #include "ui/aura/window.h"
91 #include "ui/base/ui_base_switches.h"
92 #include "ui/compositor/layer.h"
93 #include "ui/compositor/layer_animator.h"
94 #include "ui/gfx/display.h"
95 #include "ui/gfx/image/image_skia.h"
96 #include "ui/gfx/screen.h"
97 #include "ui/gfx/size.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/compound_event_filter.h"
104 #include "ui/views/corewm/corewm_switches.h"
105 #include "ui/views/corewm/focus_controller.h"
106 #include "ui/views/corewm/input_method_event_filter.h"
107 #include "ui/views/corewm/shadow_controller.h"
108 #include "ui/views/corewm/tooltip_aura.h"
109 #include "ui/views/corewm/tooltip_controller.h"
110 #include "ui/views/corewm/visibility_controller.h"
111 #include "ui/views/corewm/window_modality_controller.h"
112 #include "ui/views/focus/focus_manager_factory.h"
113 #include "ui/views/widget/native_widget_aura.h"
114 #include "ui/views/widget/widget.h"
116 #if defined(OS_CHROMEOS)
118 #include "ash/ash_constants.h"
119 #include "ash/display/display_change_observer_chromeos.h"
120 #include "ash/display/display_error_observer_chromeos.h"
121 #include "ash/display/output_configurator_animation.h"
122 #include "base/message_loop/message_pump_x11.h"
123 #include "base/sys_info.h"
124 #include "chromeos/display/output_configurator.h"
125 #include "content/public/browser/gpu_data_manager.h"
126 #include "gpu/config/gpu_feature_type.h"
127 #endif // defined(USE_X11)
128 #include "ash/system/chromeos/brightness/brightness_controller_chromeos.h"
129 #include "ash/system/chromeos/power/power_event_observer.h"
130 #include "ash/system/chromeos/power/power_status.h"
131 #include "ash/system/chromeos/power/user_activity_notifier.h"
132 #include "ash/system/chromeos/power/video_activity_notifier.h"
133 #include "ash/wm/sticky_keys.h"
134 #endif // defined(OS_CHROMEOS)
143 // A Corewm VisibilityController subclass that calls the Ash animation routine
144 // so we can pick up our extended animations. See ash/wm/window_animations.h.
145 class AshVisibilityController
: public views::corewm::VisibilityController
{
147 AshVisibilityController() {}
148 virtual ~AshVisibilityController() {}
151 // Overridden from views::corewm::VisibilityController:
152 virtual bool CallAnimateOnChildWindowVisibilityChanged(
153 aura::Window
* window
,
154 bool visible
) OVERRIDE
{
155 return AnimateOnChildWindowVisibilityChanged(window
, visible
);
158 DISALLOW_COPY_AND_ASSIGN(AshVisibilityController
);
164 Shell
* Shell::instance_
= NULL
;
166 bool Shell::initially_hide_cursor_
= false;
168 ////////////////////////////////////////////////////////////////////////////////
172 Shell
* Shell::CreateInstance(ShellDelegate
* delegate
) {
174 instance_
= new Shell(delegate
);
180 Shell
* Shell::GetInstance() {
186 bool Shell::HasInstance() {
191 void Shell::DeleteInstance() {
197 internal::RootWindowController
* Shell::GetPrimaryRootWindowController() {
198 return internal::GetRootWindowController(GetPrimaryRootWindow());
202 Shell::RootWindowControllerList
Shell::GetAllRootWindowControllers() {
203 return Shell::GetInstance()->display_controller()->
204 GetAllRootWindowControllers();
208 aura::Window
* Shell::GetPrimaryRootWindow() {
209 return GetInstance()->display_controller()->GetPrimaryRootWindow();
213 aura::Window
* Shell::GetTargetRootWindow() {
214 Shell
* shell
= GetInstance();
215 if (shell
->scoped_target_root_window_
)
216 return shell
->scoped_target_root_window_
;
217 return shell
->target_root_window_
;
221 gfx::Screen
* Shell::GetScreen() {
222 return gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE
);
226 aura::Window::Windows
Shell::GetAllRootWindows() {
227 return Shell::GetInstance()->display_controller()->
232 aura::Window
* Shell::GetContainer(aura::Window
* root_window
,
234 return root_window
->GetChildById(container_id
);
238 const aura::Window
* Shell::GetContainer(const aura::Window
* root_window
,
240 return root_window
->GetChildById(container_id
);
244 std::vector
<aura::Window
*> Shell::GetContainersFromAllRootWindows(
246 aura::Window
* priority_root
) {
247 std::vector
<aura::Window
*> containers
;
248 aura::Window::Windows root_windows
= GetAllRootWindows();
249 for (aura::Window::Windows::const_iterator it
= root_windows
.begin();
250 it
!= root_windows
.end(); ++it
) {
251 aura::Window
* container
= (*it
)->GetChildById(container_id
);
253 if (priority_root
&& priority_root
->Contains(container
))
254 containers
.insert(containers
.begin(), container
);
256 containers
.push_back(container
);
262 void Shell::ShowContextMenu(const gfx::Point
& location_in_screen
,
263 ui::MenuSourceType source_type
) {
264 // No context menus if there is no session with an active user.
265 if (!session_state_delegate_
->NumberOfLoggedInUsers())
267 // No context menus when screen is locked.
268 if (session_state_delegate_
->IsScreenLocked())
272 wm::GetRootWindowMatching(gfx::Rect(location_in_screen
, gfx::Size()));
273 internal::GetRootWindowController(root
)->
274 ShowContextMenu(location_in_screen
, source_type
);
277 void Shell::ToggleAppList(aura::Window
* window
) {
278 // If the context window is not given, show it on the target root window.
280 window
= GetTargetRootWindow();
281 if (!app_list_controller_
)
282 app_list_controller_
.reset(new internal::AppListController
);
283 app_list_controller_
->SetVisible(!app_list_controller_
->IsVisible(), window
);
286 bool Shell::GetAppListTargetVisibility() const {
287 return app_list_controller_
.get() &&
288 app_list_controller_
->GetTargetVisibility();
291 aura::Window
* Shell::GetAppListWindow() {
292 return app_list_controller_
.get() ? app_list_controller_
->GetWindow() : NULL
;
295 app_list::AppListView
* Shell::GetAppListView() {
296 return app_list_controller_
.get() ? app_list_controller_
->GetView() : NULL
;
299 bool Shell::IsSystemModalWindowOpen() const {
300 if (simulate_modal_window_open_for_testing_
)
302 const std::vector
<aura::Window
*> containers
= GetContainersFromAllRootWindows(
303 internal::kShellWindowId_SystemModalContainer
, NULL
);
304 for (std::vector
<aura::Window
*>::const_iterator cit
= containers
.begin();
305 cit
!= containers
.end(); ++cit
) {
306 for (aura::Window::Windows::const_iterator wit
= (*cit
)->children().begin();
307 wit
!= (*cit
)->children().end(); ++wit
) {
308 if ((*wit
)->GetProperty(aura::client::kModalKey
) ==
309 ui::MODAL_TYPE_SYSTEM
&& (*wit
)->TargetVisibility()) {
317 views::NonClientFrameView
* Shell::CreateDefaultNonClientFrameView(
318 views::Widget
* widget
) {
319 // Use translucent-style window frames for dialogs.
320 return new CustomFrameViewAsh(widget
);
323 void Shell::RotateFocus(Direction direction
) {
324 focus_cycler_
->RotateFocus(
325 direction
== FORWARD
? internal::FocusCycler::FORWARD
:
326 internal::FocusCycler::BACKWARD
);
329 void Shell::SetDisplayWorkAreaInsets(Window
* contains
,
330 const gfx::Insets
& insets
) {
331 if (!display_controller_
->UpdateWorkAreaOfDisplayNearestWindow(
335 FOR_EACH_OBSERVER(ShellObserver
, observers_
,
336 OnDisplayWorkAreaInsetsChanged());
339 void Shell::OnLoginStateChanged(user::LoginStatus status
) {
340 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnLoginStateChanged(status
));
343 void Shell::OnLoginUserProfilePrepared() {
348 void Shell::UpdateAfterLoginStatusChange(user::LoginStatus status
) {
349 RootWindowControllerList controllers
= GetAllRootWindowControllers();
350 for (RootWindowControllerList::iterator iter
= controllers
.begin();
351 iter
!= controllers
.end(); ++iter
)
352 (*iter
)->UpdateAfterLoginStatusChange(status
);
355 void Shell::OnAppTerminating() {
356 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnAppTerminating());
359 void Shell::OnLockStateChanged(bool locked
) {
360 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnLockStateChanged(locked
));
362 // Make sure that there is no system modal in Lock layer when unlocked.
364 std::vector
<aura::Window
*> containers
= GetContainersFromAllRootWindows(
365 internal::kShellWindowId_LockSystemModalContainer
,
366 GetPrimaryRootWindow());
367 for (std::vector
<aura::Window
*>::const_iterator iter
= containers
.begin();
368 iter
!= containers
.end(); ++iter
) {
369 DCHECK_EQ(0u, (*iter
)->children().size());
375 void Shell::CreateLauncher() {
376 RootWindowControllerList controllers
= GetAllRootWindowControllers();
377 for (RootWindowControllerList::iterator iter
= controllers
.begin();
378 iter
!= controllers
.end(); ++iter
)
379 (*iter
)->shelf()->CreateLauncher();
382 void Shell::CreateKeyboard() {
383 // TODO(bshe): Primary root window controller may not be the controller to
384 // attach virtual keyboard. See http://crbug.com/303429
386 if (keyboard::IsKeyboardUsabilityExperimentEnabled()) {
387 display_controller()->virtual_keyboard_window_controller()->
388 ActivateKeyboard(keyboard_controller_
.get());
390 GetPrimaryRootWindowController()->
391 ActivateKeyboard(keyboard_controller_
.get());
395 void Shell::ShowLauncher() {
396 RootWindowControllerList controllers
= GetAllRootWindowControllers();
397 for (RootWindowControllerList::iterator iter
= controllers
.begin();
398 iter
!= controllers
.end(); ++iter
)
399 (*iter
)->ShowLauncher();
402 void Shell::AddShellObserver(ShellObserver
* observer
) {
403 observers_
.AddObserver(observer
);
406 void Shell::RemoveShellObserver(ShellObserver
* observer
) {
407 observers_
.RemoveObserver(observer
);
410 void Shell::UpdateShelfVisibility() {
411 RootWindowControllerList controllers
= GetAllRootWindowControllers();
412 for (RootWindowControllerList::iterator iter
= controllers
.begin();
413 iter
!= controllers
.end(); ++iter
)
414 if ((*iter
)->shelf())
415 (*iter
)->UpdateShelfVisibility();
418 void Shell::SetShelfAutoHideBehavior(ShelfAutoHideBehavior behavior
,
419 aura::Window
* root_window
) {
420 ash::internal::ShelfLayoutManager::ForLauncher(root_window
)->
421 SetAutoHideBehavior(behavior
);
424 ShelfAutoHideBehavior
Shell::GetShelfAutoHideBehavior(
425 aura::Window
* root_window
) const {
426 return ash::internal::ShelfLayoutManager::ForLauncher(root_window
)->
427 auto_hide_behavior();
430 void Shell::SetShelfAlignment(ShelfAlignment alignment
,
431 aura::Window
* root_window
) {
432 if (ash::internal::ShelfLayoutManager::ForLauncher(root_window
)->
433 SetAlignment(alignment
)) {
435 ShellObserver
, observers_
, OnShelfAlignmentChanged(root_window
));
439 ShelfAlignment
Shell::GetShelfAlignment(aura::Window
* root_window
) {
440 return internal::GetRootWindowController(root_window
)->
441 GetShelfLayoutManager()->GetAlignment();
444 void Shell::SetDimming(bool should_dim
) {
445 RootWindowControllerList controllers
= GetAllRootWindowControllers();
446 for (RootWindowControllerList::iterator iter
= controllers
.begin();
447 iter
!= controllers
.end(); ++iter
)
448 (*iter
)->screen_dimmer()->SetDimming(should_dim
);
451 void Shell::NotifyFullscreenStateChange(bool is_fullscreen
,
452 aura::Window
* root_window
) {
453 FOR_EACH_OBSERVER(ShellObserver
, observers_
, OnFullscreenStateChanged(
454 is_fullscreen
, root_window
));
457 void Shell::CreateModalBackground(aura::Window
* window
) {
458 if (!modality_filter_
) {
459 modality_filter_
.reset(new internal::SystemModalContainerEventFilter(this));
460 AddPreTargetHandler(modality_filter_
.get());
462 RootWindowControllerList controllers
= GetAllRootWindowControllers();
463 for (RootWindowControllerList::iterator iter
= controllers
.begin();
464 iter
!= controllers
.end(); ++iter
)
465 (*iter
)->GetSystemModalLayoutManager(window
)->CreateModalBackground();
468 void Shell::OnModalWindowRemoved(aura::Window
* removed
) {
469 RootWindowControllerList controllers
= GetAllRootWindowControllers();
470 bool activated
= false;
471 for (RootWindowControllerList::iterator iter
= controllers
.begin();
472 iter
!= controllers
.end() && !activated
; ++iter
) {
473 activated
= (*iter
)->GetSystemModalLayoutManager(removed
)->
474 ActivateNextModalWindow();
477 RemovePreTargetHandler(modality_filter_
.get());
478 modality_filter_
.reset();
479 for (RootWindowControllerList::iterator iter
= controllers
.begin();
480 iter
!= controllers
.end(); ++iter
)
481 (*iter
)->GetSystemModalLayoutManager(removed
)->DestroyModalBackground();
485 WebNotificationTray
* Shell::GetWebNotificationTray() {
486 return GetPrimaryRootWindowController()->shelf()->
487 status_area_widget()->web_notification_tray();
490 bool Shell::HasPrimaryStatusArea() {
491 ShelfWidget
* shelf
= GetPrimaryRootWindowController()->shelf();
492 return shelf
&& shelf
->status_area_widget();
495 SystemTray
* Shell::GetPrimarySystemTray() {
496 return GetPrimaryRootWindowController()->GetSystemTray();
499 LauncherDelegate
* Shell::GetLauncherDelegate() {
500 if (!launcher_delegate_
) {
501 shelf_model_
.reset(new ShelfModel
);
502 // Creates LauncherItemDelegateManager before LauncherDelegate.
503 launcher_item_delegate_manager_
.reset(
504 new LauncherItemDelegateManager(shelf_model_
.get()));
506 launcher_delegate_
.reset(
507 delegate_
->CreateLauncherDelegate(shelf_model_
.get()));
508 scoped_ptr
<LauncherItemDelegate
> controller(
509 new internal::AppListShelfItemDelegate
);
511 // Finding the shelf model's location of the app list and setting its
512 // LauncherItemDelegate.
513 int app_list_index
= shelf_model_
->GetItemIndexForType(TYPE_APP_LIST
);
514 DCHECK_GE(app_list_index
, 0);
515 LauncherID app_list_id
= shelf_model_
->items()[app_list_index
].id
;
517 launcher_item_delegate_manager_
->SetLauncherItemDelegate(
521 return launcher_delegate_
.get();
524 void Shell::SetTouchHudProjectionEnabled(bool enabled
) {
525 if (is_touch_hud_projection_enabled_
== enabled
)
528 is_touch_hud_projection_enabled_
= enabled
;
529 FOR_EACH_OBSERVER(ShellObserver
, observers_
,
530 OnTouchHudProjectionToggled(enabled
));
533 #if defined(OS_CHROMEOS)
534 ash::FirstRunHelper
* Shell::CreateFirstRunHelper() {
535 return new ash::FirstRunHelperImpl
;
537 #endif // defined(OS_CHROMEOS)
539 void Shell::DoInitialWorkspaceAnimation() {
540 return GetPrimaryRootWindowController()->workspace_controller()->
541 DoInitialAnimation();
544 ////////////////////////////////////////////////////////////////////////////////
547 Shell::Shell(ShellDelegate
* delegate
)
548 : screen_(new ScreenAsh
),
549 target_root_window_(NULL
),
550 scoped_target_root_window_(NULL
),
552 window_positioner_(new WindowPositioner
),
553 activation_client_(NULL
),
554 #if defined(OS_CHROMEOS) && defined(USE_X11)
555 output_configurator_(new chromeos::OutputConfigurator()),
556 #endif // defined(OS_CHROMEOS) && defined(USE_X11)
557 native_cursor_manager_(new AshNativeCursorManager
),
558 cursor_manager_(scoped_ptr
<views::corewm::NativeCursorManager
>(
559 native_cursor_manager_
)),
560 simulate_modal_window_open_for_testing_(false),
561 is_touch_hud_projection_enabled_(false) {
562 DCHECK(delegate_
.get());
563 display_manager_
.reset(new internal::DisplayManager
);
565 ANNOTATE_LEAKING_OBJECT_PTR(screen_
); // see crbug.com/156466
566 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_ALTERNATE
, screen_
);
567 if (!gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_NATIVE
))
568 gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE
, screen_
);
569 display_controller_
.reset(new DisplayController
);
570 #if defined(OS_CHROMEOS) && defined(USE_X11)
571 bool is_panel_fitting_disabled
=
572 content::GpuDataManager::GetInstance()->IsFeatureBlacklisted(
573 gpu::GPU_FEATURE_TYPE_PANEL_FITTING
);
575 output_configurator_
->Init(!is_panel_fitting_disabled
);
576 periodic_metrics_recorder_
.reset(new PeriodicMetricsRecorder
);
578 base::MessagePumpX11::Current()->AddDispatcherForRootWindow(
579 output_configurator());
580 // We can't do this with a root window listener because XI_HierarchyChanged
581 // messages don't have a target window.
582 base::MessagePumpX11::Current()->AddObserver(output_configurator());
583 #endif // defined(OS_CHROMEOS)
585 #if defined(OS_CHROMEOS)
586 internal::PowerStatus::Initialize();
591 TRACE_EVENT0("shutdown", "ash::Shell::Destructor");
593 views::FocusManagerFactory::Install(NULL
);
595 // Remove the focus from any window. This will prevent overhead and side
596 // effects (e.g. crashes) from changing focus during shutdown.
597 // See bug crbug.com/134502.
598 aura::client::GetFocusClient(GetPrimaryRootWindow())->FocusWindow(NULL
);
600 // Please keep in same order as in Init() because it's easy to miss one.
601 if (window_modality_controller_
)
602 window_modality_controller_
.reset();
603 RemovePreTargetHandler(event_rewriter_filter_
.get());
604 RemovePreTargetHandler(user_activity_detector_
.get());
605 RemovePreTargetHandler(overlay_filter_
.get());
606 RemovePreTargetHandler(input_method_filter_
.get());
607 if (mouse_cursor_filter_
)
608 RemovePreTargetHandler(mouse_cursor_filter_
.get());
609 RemovePreTargetHandler(system_gesture_filter_
.get());
610 RemovePreTargetHandler(keyboard_metrics_filter_
.get());
611 RemovePreTargetHandler(event_transformation_handler_
.get());
612 RemovePreTargetHandler(accelerator_filter_
.get());
614 // TooltipController is deleted with the Shell so removing its references.
615 RemovePreTargetHandler(tooltip_controller_
.get());
617 // AppList needs to be released before shelf layout manager, which is
618 // destroyed with launcher container in the loop below. However, app list
619 // container is now on top of launcher container and released after it.
620 // TODO(xiyuan): Move it back when app list container is no longer needed.
621 app_list_controller_
.reset();
623 // Destroy SystemTrayDelegate before destroying the status area(s).
624 system_tray_delegate_
->Shutdown();
625 system_tray_delegate_
.reset();
627 locale_notification_controller_
.reset();
629 // Drag-and-drop must be canceled prior to close all windows.
630 drag_drop_controller_
.reset();
632 // Destroy all child windows including widgets.
633 display_controller_
->CloseChildWindows();
634 display_controller_
->CloseNonDesktopDisplay();
636 // Destroy SystemTrayNotifier after destroying SystemTray as TrayItems
637 // needs to remove observers from it.
638 system_tray_notifier_
.reset();
640 #if defined(OS_CHROMEOS)
641 // Destroy VideoActivityNotifier before destroying VideoDetector.
642 video_activity_notifier_
.reset();
643 #endif // defined(OS_CHROMEOS)
645 // These need a valid Shell instance to clean up properly, so explicitly
646 // delete them before invalidating the instance.
647 // Alphabetical. TODO(oshima): sort.
648 magnification_controller_
.reset();
649 partial_magnification_controller_
.reset();
650 resize_shadow_controller_
.reset();
651 shadow_controller_
.reset();
652 tooltip_controller_
.reset();
653 event_client_
.reset();
654 window_cycle_controller_
.reset();
655 nested_dispatcher_controller_
.reset();
656 user_action_client_
.reset();
657 visibility_controller_
.reset();
658 launcher_delegate_
.reset();
659 // |launcher_item_delegate_manager_| observes |shelf_model_|. It must be
660 // destroyed before |shelf_model_| is destroyed.
661 launcher_item_delegate_manager_
.reset();
662 shelf_model_
.reset();
663 video_detector_
.reset();
665 power_button_controller_
.reset();
666 lock_state_controller_
.reset();
667 mru_window_tracker_
.reset();
669 resolution_notification_controller_
.reset();
670 desktop_background_controller_
.reset();
672 // This also deletes all RootWindows. Note that we invoke Shutdown() on
673 // DisplayController before resetting |display_controller_|, since destruction
674 // of its owned RootWindowControllers relies on the value.
675 display_controller_
->Shutdown();
676 display_controller_
.reset();
677 screen_position_controller_
.reset();
679 keyboard_controller_
.reset();
680 accessibility_delegate_
.reset();
681 new_window_delegate_
.reset();
682 media_delegate_
.reset();
684 #if defined(OS_CHROMEOS) && defined(USE_X11)
685 if (display_change_observer_
)
686 output_configurator_
->RemoveObserver(display_change_observer_
.get());
687 if (output_configurator_animation_
)
688 output_configurator_
->RemoveObserver(output_configurator_animation_
.get());
689 if (display_error_observer_
)
690 output_configurator_
->RemoveObserver(display_error_observer_
.get());
691 base::MessagePumpX11::Current()->RemoveDispatcherForRootWindow(
692 output_configurator());
693 base::MessagePumpX11::Current()->RemoveObserver(output_configurator());
694 display_change_observer_
.reset();
695 #endif // defined(OS_CHROMEOS)
697 #if defined(OS_CHROMEOS)
698 internal::PowerStatus::Shutdown();
701 DCHECK(instance_
== this);
706 CommandLine
* command_line
= CommandLine::ForCurrentProcess();
708 delegate_
->PreInit();
709 if (keyboard::IsKeyboardUsabilityExperimentEnabled()) {
710 display_manager_
->SetSecondDisplayMode(
711 internal::DisplayManager::VIRTUAL_KEYBOARD
);
713 bool display_initialized
= display_manager_
->InitFromCommandLine();
714 #if defined(OS_CHROMEOS) && defined(USE_X11)
715 output_configurator_animation_
.reset(
716 new internal::OutputConfiguratorAnimation());
717 output_configurator_
->AddObserver(output_configurator_animation_
.get());
719 if (!display_initialized
&& base::SysInfo::IsRunningOnChromeOS()) {
720 display_change_observer_
.reset(new internal::DisplayChangeObserver
);
721 // Register |display_change_observer_| first so that the rest of
722 // observer gets invoked after the root windows are configured.
723 output_configurator_
->AddObserver(display_change_observer_
.get());
724 display_error_observer_
.reset(new internal::DisplayErrorObserver());
725 output_configurator_
->AddObserver(display_error_observer_
.get());
726 output_configurator_
->set_state_controller(display_change_observer_
.get());
727 output_configurator_
->set_mirroring_controller(display_manager_
.get());
728 output_configurator_
->Start(
729 delegate_
->IsFirstRunAfterBoot() ? kChromeOsBootColor
: 0);
730 display_initialized
= true;
732 #endif // defined(OS_CHROMEOS) && defined(USE_X11)
733 if (!display_initialized
)
734 display_manager_
->InitDefaultDisplay();
736 // Install the custom factory first so that views::FocusManagers for Tray,
737 // Launcher, and WallPaper could be created by the factory.
738 views::FocusManagerFactory::Install(new AshFocusManagerFactory
);
740 // Env creates the compositor. Historically it seems to have been implicitly
741 // initialized first by the ActivationController, but now that FocusController
742 // no longer does this we need to do it explicitly.
743 aura::Env::CreateInstance();
745 // The WindowModalityController needs to be at the front of the input event
746 // pretarget handler list to ensure that it processes input events when modal
747 // windows are active.
748 window_modality_controller_
.reset(
749 new views::corewm::WindowModalityController(this));
751 AddPreTargetHandler(this);
753 env_filter_
.reset(new views::corewm::CompoundEventFilter
);
754 AddPreTargetHandler(env_filter_
.get());
756 views::corewm::FocusController
* focus_controller
=
757 new views::corewm::FocusController(new wm::AshFocusRules
);
758 focus_client_
.reset(focus_controller
);
759 activation_client_
= focus_controller
;
760 activation_client_
->AddObserver(this);
761 focus_cycler_
.reset(new internal::FocusCycler());
763 screen_position_controller_
.reset(new internal::ScreenPositionController
);
764 root_window_host_factory_
.reset(delegate_
->CreateRootWindowHostFactory());
766 display_controller_
->Start();
767 display_controller_
->InitPrimaryDisplay();
768 aura::Window
* root_window
= display_controller_
->GetPrimaryRootWindow();
769 target_root_window_
= root_window
;
771 resolution_notification_controller_
.reset(
772 new internal::ResolutionNotificationController
);
774 cursor_manager_
.SetDisplay(DisplayController::GetPrimaryDisplay());
776 nested_dispatcher_controller_
.reset(new NestedDispatcherController
);
777 accelerator_controller_
.reset(new AcceleratorController
);
779 // The order in which event filters are added is significant.
780 event_rewriter_filter_
.reset(new internal::EventRewriterEventFilter
);
781 AddPreTargetHandler(event_rewriter_filter_
.get());
783 #if defined(OS_CHROMEOS)
784 // The StickyKeys event filter also rewrites events and must be added
785 // before observers, but after the EventRewriterEventFilter.
786 sticky_keys_
.reset(new StickyKeys
);
787 AddPreTargetHandler(sticky_keys_
.get());
790 // UserActivityDetector passes events to observers, so let them get
792 user_activity_detector_
.reset(new UserActivityDetector
);
793 AddPreTargetHandler(user_activity_detector_
.get());
795 overlay_filter_
.reset(new internal::OverlayEventFilter
);
796 AddPreTargetHandler(overlay_filter_
.get());
797 AddShellObserver(overlay_filter_
.get());
799 input_method_filter_
.reset(new views::corewm::InputMethodEventFilter(
800 root_window
->GetDispatcher()->host()->GetAcceleratedWidget()));
801 AddPreTargetHandler(input_method_filter_
.get());
803 accelerator_filter_
.reset(new internal::AcceleratorFilter
);
804 AddPreTargetHandler(accelerator_filter_
.get());
806 event_transformation_handler_
.reset(new internal::EventTransformationHandler
);
807 AddPreTargetHandler(event_transformation_handler_
.get());
809 system_gesture_filter_
.reset(new internal::SystemGestureEventFilter
);
810 AddPreTargetHandler(system_gesture_filter_
.get());
812 keyboard_metrics_filter_
.reset(new internal::KeyboardUMAEventFilter
);
813 AddPreTargetHandler(keyboard_metrics_filter_
.get());
815 // The keyboard system must be initialized before the RootWindowController is
817 if (keyboard::IsKeyboardEnabled())
818 keyboard::InitializeKeyboard();
820 lock_state_controller_
.reset(new LockStateController
);
821 power_button_controller_
.reset(new PowerButtonController(
822 lock_state_controller_
.get()));
823 AddShellObserver(lock_state_controller_
.get());
825 drag_drop_controller_
.reset(new internal::DragDropController
);
826 mouse_cursor_filter_
.reset(new internal::MouseCursorEventFilter());
827 PrependPreTargetHandler(mouse_cursor_filter_
.get());
829 // Create Controllers that may need root window.
830 // TODO(oshima): Move as many controllers before creating
831 // RootWindowController as possible.
832 visibility_controller_
.reset(new AshVisibilityController
);
833 user_action_client_
.reset(delegate_
->CreateUserActionClient());
835 magnification_controller_
.reset(
836 MagnificationController::CreateInstance());
837 mru_window_tracker_
.reset(new MruWindowTracker(activation_client_
));
839 partial_magnification_controller_
.reset(
840 new PartialMagnificationController());
842 autoclick_controller_
.reset(AutoclickController::CreateInstance());
844 high_contrast_controller_
.reset(new HighContrastController
);
845 video_detector_
.reset(new VideoDetector
);
846 window_cycle_controller_
.reset(new WindowCycleController());
847 window_selector_controller_
.reset(new WindowSelectorController());
849 tooltip_controller_
.reset(
850 new views::corewm::TooltipController(
851 scoped_ptr
<views::corewm::Tooltip
>(
852 new views::corewm::TooltipAura(gfx::SCREEN_TYPE_ALTERNATE
))));
853 AddPreTargetHandler(tooltip_controller_
.get());
855 event_client_
.reset(new internal::EventClientImpl
);
857 // This controller needs to be set before SetupManagedWindowMode.
858 desktop_background_controller_
.reset(new DesktopBackgroundController());
859 user_wallpaper_delegate_
.reset(delegate_
->CreateUserWallpaperDelegate());
861 // StatusAreaWidget uses Shell's CapsLockDelegate.
862 caps_lock_delegate_
.reset(delegate_
->CreateCapsLockDelegate());
864 session_state_delegate_
.reset(delegate_
->CreateSessionStateDelegate());
865 accessibility_delegate_
.reset(delegate_
->CreateAccessibilityDelegate());
866 new_window_delegate_
.reset(delegate_
->CreateNewWindowDelegate());
867 media_delegate_
.reset(delegate_
->CreateMediaDelegate());
869 if (!command_line
->HasSwitch(views::corewm::switches::kNoDropShadows
)) {
870 resize_shadow_controller_
.reset(new internal::ResizeShadowController());
871 shadow_controller_
.reset(
872 new views::corewm::ShadowController(activation_client_
));
875 // Create system_tray_notifier_ before the delegate.
876 system_tray_notifier_
.reset(new ash::SystemTrayNotifier());
878 // Initialize system_tray_delegate_ before initializing StatusAreaWidget.
879 system_tray_delegate_
.reset(delegate()->CreateSystemTrayDelegate());
880 DCHECK(system_tray_delegate_
.get());
882 locale_notification_controller_
.reset(
883 new internal::LocaleNotificationController
);
885 // Initialize system_tray_delegate_ after StatusAreaWidget is created.
886 system_tray_delegate_
->Initialize();
888 // TODO(oshima): Initialize all RootWindowControllers once, and
889 // initialize controller/delegates above when initializing the
890 // primary root window controller.
891 internal::RootWindowController::CreateForPrimaryDisplay(
892 root_window
->GetDispatcher());
894 display_controller_
->InitSecondaryDisplays();
896 // It needs to be created after RootWindowController has been created
897 // (which calls OnWindowResized has been called, otherwise the
898 // widget will not paint when restoring after a browser crash. Also it needs
899 // to be created after InitSecondaryDisplays() to initialize the wallpapers in
901 user_wallpaper_delegate_
->InitializeWallpaper();
903 if (initially_hide_cursor_
)
904 cursor_manager_
.HideCursor();
905 cursor_manager_
.SetCursor(ui::kCursorPointer
);
907 #if defined(OS_CHROMEOS)
908 // Set accelerator controller delegates.
909 accelerator_controller_
->SetBrightnessControlDelegate(
910 scoped_ptr
<ash::BrightnessControlDelegate
>(
911 new ash::system::BrightnessControllerChromeos
).Pass());
913 power_event_observer_
.reset(new internal::PowerEventObserver());
914 user_activity_notifier_
.reset(
915 new internal::UserActivityNotifier(user_activity_detector_
.get()));
916 video_activity_notifier_
.reset(
917 new internal::VideoActivityNotifier(video_detector_
.get()));
920 weak_display_manager_factory_
.reset(
921 new base::WeakPtrFactory
<internal::DisplayManager
>(
922 display_manager_
.get()));
923 // The compositor thread and main message loop have to be running in
924 // order to create mirror window. Run it after the main message loop
926 base::MessageLoopForUI::current()->PostTask(
928 base::Bind(&internal::DisplayManager::CreateMirrorWindowIfAny
,
929 weak_display_manager_factory_
->GetWeakPtr()));
932 void Shell::InitKeyboard() {
933 if (keyboard::IsKeyboardEnabled()) {
934 if (keyboard_controller_
.get()) {
935 RootWindowControllerList controllers
= GetAllRootWindowControllers();
936 for (RootWindowControllerList::iterator iter
= controllers
.begin();
937 iter
!= controllers
.end(); ++iter
) {
938 (*iter
)->DeactivateKeyboard(keyboard_controller_
.get());
941 keyboard::KeyboardControllerProxy
* proxy
=
942 delegate_
->CreateKeyboardControllerProxy();
943 keyboard_controller_
.reset(
944 new keyboard::KeyboardController(proxy
));
948 void Shell::InitRootWindow(aura::Window
* root_window
) {
949 DCHECK(activation_client_
);
950 DCHECK(visibility_controller_
.get());
951 DCHECK(drag_drop_controller_
.get());
952 DCHECK(window_cycle_controller_
.get());
954 aura::client::SetFocusClient(root_window
, focus_client_
.get());
955 input_method_filter_
->SetInputMethodPropertyInRootWindow(root_window
);
956 aura::client::SetActivationClient(root_window
, activation_client_
);
957 views::corewm::FocusController
* focus_controller
=
958 static_cast<views::corewm::FocusController
*>(activation_client_
);
959 root_window
->AddPreTargetHandler(focus_controller
);
960 aura::client::SetVisibilityClient(root_window
, visibility_controller_
.get());
961 aura::client::SetDragDropClient(root_window
, drag_drop_controller_
.get());
962 aura::client::SetScreenPositionClient(root_window
,
963 screen_position_controller_
.get());
964 aura::client::SetCursorClient(root_window
, &cursor_manager_
);
965 aura::client::SetTooltipClient(root_window
, tooltip_controller_
.get());
966 aura::client::SetEventClient(root_window
, event_client_
.get());
968 if (nested_dispatcher_controller_
) {
969 aura::client::SetDispatcherClient(root_window
,
970 nested_dispatcher_controller_
.get());
972 if (user_action_client_
)
973 aura::client::SetUserActionClient(root_window
, user_action_client_
.get());
976 bool Shell::CanWindowReceiveEvents(aura::Window
* window
) {
977 RootWindowControllerList controllers
= GetAllRootWindowControllers();
978 for (RootWindowControllerList::iterator iter
= controllers
.begin();
979 iter
!= controllers
.end(); ++iter
) {
980 internal::SystemModalContainerLayoutManager
* layout_manager
=
981 (*iter
)->GetSystemModalLayoutManager(window
);
982 if (layout_manager
&& layout_manager
->CanWindowReceiveEvents(window
))
988 ////////////////////////////////////////////////////////////////////////////////
989 // Shell, ui::EventTarget overrides:
991 bool Shell::CanAcceptEvent(const ui::Event
& event
) {
995 ui::EventTarget
* Shell::GetParentTarget() {
996 return aura::Env::GetInstance();
999 void Shell::OnEvent(ui::Event
* event
) {
1002 ////////////////////////////////////////////////////////////////////////////////
1003 // Shell, aura::client::ActivationChangeObserver implementation:
1005 void Shell::OnWindowActivated(aura::Window
* gained_active
,
1006 aura::Window
* lost_active
) {
1008 target_root_window_
= gained_active
->GetRootWindow();