forked from Pissandshittium/pissandshittium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathroot_window_controller.cc
1273 lines (1094 loc) · 50.4 KB
/
root_window_controller.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/root_window_controller.h"
#include <algorithm>
#include <memory>
#include <queue>
#include <vector>
#include "ash/accessibility/accessibility_panel_layout_manager.h"
#include "ash/accessibility/touch_exploration_controller.h"
#include "ash/accessibility/touch_exploration_manager.h"
#include "ash/ambient/ambient_controller.h"
#include "ash/app_menu/app_menu_model_adapter.h"
#include "ash/focus_cycler.h"
#include "ash/high_contrast/high_contrast_controller.h"
#include "ash/host/ash_window_tree_host.h"
#include "ash/keyboard/arc/arc_virtual_keyboard_container_layout_manager.h"
#include "ash/keyboard/keyboard_controller_impl.h"
#include "ash/keyboard/ui/keyboard_layout_manager.h"
#include "ash/keyboard/ui/keyboard_ui_controller.h"
#include "ash/keyboard/ui/keyboard_util.h"
#include "ash/keyboard/virtual_keyboard_container_layout_manager.h"
#include "ash/lock_screen_action/lock_screen_action_background_controller.h"
#include "ash/login_status.h"
#include "ash/public/cpp/ash_constants.h"
#include "ash/public/cpp/ash_switches.h"
#include "ash/public/cpp/shelf_types.h"
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/public/cpp/window_properties.h"
#include "ash/root_window_settings.h"
#include "ash/screen_util.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_context_menu_model.h"
#include "ash/shelf/shelf_layout_manager.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shelf/shelf_window_targeter.h"
#include "ash/shell.h"
#include "ash/system/status_area_widget.h"
#include "ash/system/tray/tray_background_view.h"
#include "ash/system/unified/unified_system_tray.h"
#include "ash/touch/touch_hud_debug.h"
#include "ash/touch/touch_hud_projection.h"
#include "ash/touch/touch_observer_hud.h"
#include "ash/wallpaper/wallpaper_widget_controller.h"
#include "ash/window_factory.h"
#include "ash/wm/always_on_top_controller.h"
#include "ash/wm/container_finder.h"
#include "ash/wm/desks/desks_controller.h"
#include "ash/wm/desks/desks_util.h"
#include "ash/wm/fullscreen_window_finder.h"
#include "ash/wm/lock_action_handler_layout_manager.h"
#include "ash/wm/lock_layout_manager.h"
#include "ash/wm/mru_window_tracker.h"
#include "ash/wm/overlay_layout_manager.h"
#include "ash/wm/overview/overview_controller.h"
#include "ash/wm/overview/overview_session.h"
#include "ash/wm/root_window_layout_manager.h"
#include "ash/wm/splitview/split_view_controller.h"
#include "ash/wm/splitview/split_view_utils.h"
#include "ash/wm/stacking_controller.h"
#include "ash/wm/switchable_windows.h"
#include "ash/wm/system_modal_container_layout_manager.h"
#include "ash/wm/system_wallpaper_controller.h"
#include "ash/wm/tablet_mode/tablet_mode_controller.h"
#include "ash/wm/window_properties.h"
#include "ash/wm/window_state.h"
#include "ash/wm/window_util.h"
#include "ash/wm/work_area_insets.h"
#include "ash/wm/workspace/workspace_layout_manager.h"
#include "ash/wm/workspace_controller.h"
#include "base/bind.h"
#include "base/command_line.h"
#include "base/metrics/histogram_macros.h"
#include "base/numerics/ranges.h"
#include "base/stl_util.h"
#include "base/time/time.h"
#include "chromeos/constants/chromeos_features.h"
#include "chromeos/constants/chromeos_switches.h"
#include "ui/aura/client/aura_constants.h"
#include "ui/aura/client/drag_drop_client.h"
#include "ui/aura/client/screen_position_client.h"
#include "ui/aura/client/window_types.h"
#include "ui/aura/null_window_targeter.h"
#include "ui/aura/window.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/aura/window_observer.h"
#include "ui/aura/window_tracker.h"
#include "ui/base/models/menu_model.h"
#include "ui/compositor/layer.h"
#include "ui/display/types/display_constants.h"
#include "ui/events/event_utils.h"
#include "ui/views/controls/menu/menu_model_adapter.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/view_model.h"
#include "ui/views/view_model_utils.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/capture_controller.h"
#include "ui/wm/core/coordinate_conversion.h"
#include "ui/wm/core/visibility_controller.h"
#include "ui/wm/core/window_properties.h"
#include "ui/wm/core/window_util.h"
#include "ui/wm/public/tooltip_client.h"
namespace ash {
namespace {
bool IsInShelfContainer(aura::Window* container) {
if (!container)
return false;
int id = container->id();
if (id == ash::kShellWindowId_ShelfContainer ||
id == ash::kShellWindowId_ShelfBubbleContainer) {
return true;
}
return IsInShelfContainer(container->parent());
}
bool IsWindowAboveContainer(aura::Window* window,
aura::Window* blocking_container) {
std::vector<aura::Window*> target_path;
std::vector<aura::Window*> blocking_path;
while (window) {
target_path.push_back(window);
window = window->parent();
}
while (blocking_container) {
blocking_path.push_back(blocking_container);
blocking_container = blocking_container->parent();
}
// The root window is put at the end so that we compare windows at
// the same depth.
while (!blocking_path.empty()) {
if (target_path.empty())
return false;
aura::Window* target = target_path.back();
target_path.pop_back();
aura::Window* blocking = blocking_path.back();
blocking_path.pop_back();
// Still on the same path, continue.
if (target == blocking)
continue;
// This can happen only if unparented window is passed because
// first element must be the same root.
if (!target->parent() || !blocking->parent())
return false;
aura::Window* common_parent = target->parent();
DCHECK_EQ(common_parent, blocking->parent());
const aura::Window::Windows& windows = common_parent->children();
auto blocking_iter = std::find(windows.begin(), windows.end(), blocking);
// If the target window is above blocking window, the window can handle
// events.
return std::find(blocking_iter, windows.end(), target) != windows.end();
}
return true;
}
// Scales |value| that is originally between 0 and |src_max| to be between
// 0 and |dst_max|.
float ToRelativeValue(int value, int src_max, int dst_max) {
return static_cast<float>(value) / static_cast<float>(src_max) * dst_max;
}
// Uses ToRelativeValue() to scale the origin of |bounds_in_out|. The
// width/height are not changed.
void MoveOriginRelativeToSize(const gfx::Size& src_size,
const gfx::Size& dst_size,
gfx::Rect* bounds_in_out) {
gfx::Point origin = bounds_in_out->origin();
bounds_in_out->set_origin(gfx::Point(
ToRelativeValue(origin.x(), src_size.width(), dst_size.width()),
ToRelativeValue(origin.y(), src_size.height(), dst_size.height())));
}
// Reparents |window| to |new_parent|.
void ReparentWindow(aura::Window* window, aura::Window* new_parent) {
const gfx::Size src_size = window->parent()->bounds().size();
const gfx::Size dst_size = new_parent->bounds().size();
// Update the restore bounds to make it relative to the display.
WindowState* state = WindowState::Get(window);
gfx::Rect restore_bounds;
const bool has_restore_bounds = state && state->HasRestoreBounds();
const bool update_bounds =
state && (state->IsNormalOrSnapped() || state->IsMinimized());
gfx::Rect work_area_in_new_parent =
screen_util::GetDisplayWorkAreaBoundsInParent(new_parent);
gfx::Rect local_bounds;
if (update_bounds) {
local_bounds = state->window()->bounds();
MoveOriginRelativeToSize(src_size, dst_size, &local_bounds);
local_bounds.AdjustToFit(work_area_in_new_parent);
}
if (has_restore_bounds) {
restore_bounds = state->GetRestoreBoundsInParent();
MoveOriginRelativeToSize(src_size, dst_size, &restore_bounds);
restore_bounds.AdjustToFit(work_area_in_new_parent);
}
new_parent->AddChild(window);
// Docked windows have bounds handled by the layout manager in AddChild().
if (update_bounds)
window->SetBounds(local_bounds);
if (has_restore_bounds)
state->SetRestoreBoundsInParent(restore_bounds);
}
// Reparents the appropriate set of windows from |src| to |dst|.
void ReparentAllWindows(aura::Window* src, aura::Window* dst) {
// Set of windows to move.
constexpr int kContainerIdsToMove[] = {
kShellWindowId_DefaultContainerDeprecated,
kShellWindowId_DeskContainerB,
kShellWindowId_DeskContainerC,
kShellWindowId_DeskContainerD,
kShellWindowId_AlwaysOnTopContainer,
kShellWindowId_PipContainer,
kShellWindowId_SystemModalContainer,
kShellWindowId_LockSystemModalContainer,
kShellWindowId_UnparentedControlContainer,
kShellWindowId_OverlayContainer,
kShellWindowId_LockActionHandlerContainer,
kShellWindowId_MenuContainer,
};
constexpr int kExtraContainerIdsToMoveInUnifiedMode[] = {
kShellWindowId_LockScreenContainer,
};
std::vector<int> container_ids{std::begin(kContainerIdsToMove),
std::end(kContainerIdsToMove)};
// Check the display mode as this is also necessary when trasitioning between
// mirror and unified mode.
if (Shell::Get()->display_manager()->current_default_multi_display_mode() ==
display::DisplayManager::UNIFIED) {
for (const int id : kExtraContainerIdsToMoveInUnifiedMode)
container_ids.emplace_back(id);
}
const std::vector<aura::Window*> mru_list =
Shell::Get()->mru_window_tracker()->BuildWindowForCycleList(kAllDesks);
for (int id : container_ids) {
aura::Window* src_container = src->GetChildById(id);
aura::Window* dst_container = dst->GetChildById(id);
const bool switchable_container = IsSwitchableContainer(src_container);
while (!src_container->children().empty()) {
// Restart iteration from the source container windows each time as they
// may change as a result of moving other windows.
const aura::Window::Windows& src_container_children =
src_container->children();
auto iter = src_container_children.rbegin();
while (iter != src_container_children.rend() &&
SystemModalContainerLayoutManager::IsModalBackground(*iter)) {
++iter;
}
// If the entire window list is modal background windows then stop.
if (iter == src_container_children.rend())
break;
// |iter| is invalidated after ReparentWindow. Cache it to use afterwards.
aura::Window* const window = *iter;
ReparentWindow(window, dst_container);
aura::Window* stacking_target = nullptr;
if (switchable_container) {
// Find the first window that comes after |window| in the MRU list that
// shares the same parent.
bool found_window = false;
for (aura::Window* window_iter : mru_list) {
// First determine the position of |window| in the |mru_list|.
if (!found_window && window == window_iter) {
found_window = true;
continue;
}
if (!found_window || window_iter->parent() != dst_container)
continue;
// Once |window| is found, the next item in |mru_list| with the same
// parent (container) is the stacking target.
stacking_target = window_iter;
break;
}
}
// |stacking_target| may be null if |switchable_container| is false, which
// means the children of that container wouldn't be in the MRU list or if
// |window| was the last item in the MRU list with parent id |id|. In
// this case stack |window| at the bottom.
if (stacking_target)
dst_container->StackChildAbove(window, stacking_target);
else
dst_container->StackChildAtBottom(window);
}
}
}
bool ShouldDestroyWindowInCloseChildWindows(aura::Window* window) {
return window->owned_by_parent();
}
// Clears the workspace controllers from the properties of all virtual desks
// containers in |root|.
void ClearWorkspaceControllers(aura::Window* root) {
for (auto* desk_container : desks_util::GetDesksContainers(root))
SetWorkspaceController(desk_container, nullptr);
}
class RootWindowTargeter : public aura::WindowTargeter {
public:
RootWindowTargeter() = default;
~RootWindowTargeter() override = default;
protected:
aura::Window* FindTargetForLocatedEvent(aura::Window* window,
ui::LocatedEvent* event) override {
if (!window->parent() && !window->bounds().Contains(event->location()) &&
IsEventInsideDisplayForTelemetryHack(window, event)) {
auto* dispatcher = window->GetHost()->dispatcher();
bool has_capture_target = !!dispatcher->mouse_pressed_handler() ||
!!aura::client::GetCaptureWindow(window);
// Make sure that event location is within the root window bounds if
// 1) mouse event isn't captured.
// 2) A mouse is clicked without movement and capture.
//
// The event can be outside on some scale factor due to rounding, or due
// to not well calibrated a touch screen, or Detect this situation and
// adjust the location.
bool bounded_click = ShouldConstrainMouseClick(event, has_capture_target);
if (!has_capture_target || bounded_click) {
gfx::Point new_location =
FitPointToBounds(event->location(), window->bounds());
// Do not change |location_f|. It's used to compute pixel position and
// such client should know what they're doing.
event->set_location(new_location);
event->set_root_location(new_location);
}
}
return aura::WindowTargeter::FindTargetForLocatedEvent(window, event);
}
// Stop-gap workaround for telemetry tests that send events far outside of the
// display (e.g. 512, -4711). Fix the test and remove this (crbgu.com/904623).
bool IsEventInsideDisplayForTelemetryHack(aura::Window* window,
ui::LocatedEvent* event) {
constexpr int ExtraMarginForTelemetryTest = -10;
gfx::Rect bounds = window->bounds();
bounds.Inset(ExtraMarginForTelemetryTest, ExtraMarginForTelemetryTest);
return bounds.Contains(event->location());
}
private:
// Returns true if the mouse event should be constrainted.
bool ShouldConstrainMouseClick(ui::LocatedEvent* event,
bool has_capture_target) {
if (event->type() == ui::ET_MOUSE_PRESSED && !has_capture_target) {
last_mouse_event_type_ = ui::ET_MOUSE_PRESSED;
return true;
}
if (last_mouse_event_type_ == ui::ET_MOUSE_PRESSED &&
event->type() == ui::ET_MOUSE_RELEASED && has_capture_target) {
last_mouse_event_type_ = ui::ET_UNKNOWN;
return true;
}
// For other cases, reset the state
if (event->type() != ui::ET_MOUSE_CAPTURE_CHANGED)
last_mouse_event_type_ = ui::ET_UNKNOWN;
return false;
}
gfx::Point FitPointToBounds(const gfx::Point p, const gfx::Rect& bounds) {
return gfx::Point(
base::ClampToRange(p.x(), bounds.x(), bounds.right() - 1),
base::ClampToRange(p.y(), bounds.y(), bounds.bottom() - 1));
}
ui::EventType last_mouse_event_type_ = ui::ET_UNKNOWN;
DISALLOW_COPY_AND_ASSIGN(RootWindowTargeter);
};
class RootWindowMenuModelAdapter : public AppMenuModelAdapter {
public:
RootWindowMenuModelAdapter(std::unique_ptr<ui::SimpleMenuModel> model,
views::Widget* widget_owner,
ui::MenuSourceType source_type,
base::OnceClosure on_menu_closed_callback,
bool is_tablet_mode)
: AppMenuModelAdapter(std::string(),
std::move(model),
widget_owner,
source_type,
std::move(on_menu_closed_callback),
is_tablet_mode) {}
~RootWindowMenuModelAdapter() override = default;
private:
// AppMenuModelAdapter overrides:
void RecordHistogramOnMenuClosed() override {
const base::TimeDelta user_journey_time =
base::TimeTicks::Now() - menu_open_time();
UMA_HISTOGRAM_TIMES("Apps.ContextMenuUserJourneyTime.Desktop",
user_journey_time);
UMA_HISTOGRAM_ENUMERATION("Apps.ContextMenuShowSource.Desktop",
source_type(), ui::MENU_SOURCE_TYPE_LAST);
if (is_tablet_mode()) {
UMA_HISTOGRAM_TIMES("Apps.ContextMenuUserJourneyTime.Desktop.TabletMode",
user_journey_time);
UMA_HISTOGRAM_ENUMERATION("Apps.ContextMenuShowSource.Desktop.TabletMode",
source_type(), ui::MENU_SOURCE_TYPE_LAST);
} else {
UMA_HISTOGRAM_TIMES(
"Apps.ContextMenuUserJourneyTime.Desktop.ClamshellMode",
user_journey_time);
UMA_HISTOGRAM_ENUMERATION(
"Apps.ContextMenuShowSource.Desktop.ClamshellMode", source_type(),
ui::MENU_SOURCE_TYPE_LAST);
}
}
DISALLOW_COPY_AND_ASSIGN(RootWindowMenuModelAdapter);
};
// A layout manager that fills its container when the child window's resize
// behavior is set to be maximizable.
class FillLayoutManager : public aura::LayoutManager {
public:
explicit FillLayoutManager(aura::Window* container) : container_(container) {}
~FillLayoutManager() override = default;
FillLayoutManager(const FillLayoutManager&) = delete;
FillLayoutManager& operator=(const FillLayoutManager&) = delete;
// aura::LayoutManager:
void OnWindowResized() override { Relayout(); }
void OnWindowAddedToLayout(aura::Window* child) override { Relayout(); }
void OnWillRemoveWindowFromLayout(aura::Window* child) override {}
void OnWindowRemovedFromLayout(aura::Window* child) override {}
void OnChildWindowVisibilityChanged(aura::Window* child,
bool visible) override {}
void SetChildBounds(aura::Window* child,
const gfx::Rect& requested_bounds) override {}
private:
void Relayout() {
// Fill the window that is set to be maximizable.
const gfx::Rect fullscreen(container_->bounds().size());
for (auto* child : container_->children()) {
const int resize_behavior =
child->GetProperty(aura::client::kResizeBehaviorKey);
if (resize_behavior & aura::client::kResizeBehaviorCanMaximize)
SetChildBoundsDirect(child, fullscreen);
}
}
aura::Window* container_;
};
} // namespace
// static
std::vector<RootWindowController*>*
RootWindowController::root_window_controllers_ = nullptr;
RootWindowController::~RootWindowController() {
Shutdown();
DCHECK(!wallpaper_widget_controller_.get());
work_area_insets_.reset();
ash_host_.reset();
// The CaptureClient needs to be around for as long as the RootWindow is
// valid.
capture_client_.reset();
root_window_controllers_->erase(std::find(root_window_controllers_->begin(),
root_window_controllers_->end(),
this));
}
RootWindowController* RootWindowController::CreateForPrimaryDisplay(
AshWindowTreeHost* host) {
RootWindowController* controller = new RootWindowController(host);
controller->Init(RootWindowType::PRIMARY);
return controller;
}
RootWindowController* RootWindowController::CreateForSecondaryDisplay(
AshWindowTreeHost* host) {
RootWindowController* controller = new RootWindowController(host);
controller->Init(RootWindowType::SECONDARY);
return controller;
}
// static
RootWindowController* RootWindowController::ForWindow(
const aura::Window* window) {
DCHECK(window);
CHECK(Shell::HasInstance());
return GetRootWindowSettings(window->GetRootWindow())->controller;
}
// static
RootWindowController* RootWindowController::ForTargetRootWindow() {
CHECK(Shell::HasInstance());
return ForWindow(Shell::GetRootWindowForNewWindows());
}
aura::WindowTreeHost* RootWindowController::GetHost() {
return window_tree_host_;
}
const aura::WindowTreeHost* RootWindowController::GetHost() const {
return window_tree_host_;
}
aura::Window* RootWindowController::GetRootWindow() {
return GetHost()->window();
}
const aura::Window* RootWindowController::GetRootWindow() const {
return GetHost()->window();
}
void RootWindowController::InitializeShelf() {
if (shelf_initialized_)
return;
shelf_initialized_ = true;
shelf_->shelf_widget()->PostCreateShelf();
}
ShelfLayoutManager* RootWindowController::GetShelfLayoutManager() {
return shelf_->shelf_layout_manager();
}
SystemModalContainerLayoutManager*
RootWindowController::GetSystemModalLayoutManager(aura::Window* window) {
aura::Window* modal_container = nullptr;
if (window) {
aura::Window* window_container = GetContainerForWindow(window);
if (window_container &&
window_container->id() >= kShellWindowId_LockScreenContainer) {
modal_container = GetContainer(kShellWindowId_LockSystemModalContainer);
} else {
modal_container = GetContainer(kShellWindowId_SystemModalContainer);
}
} else {
int modal_window_id =
Shell::Get()->session_controller()->IsUserSessionBlocked()
? kShellWindowId_LockSystemModalContainer
: kShellWindowId_SystemModalContainer;
modal_container = GetContainer(modal_window_id);
}
return modal_container ? static_cast<SystemModalContainerLayoutManager*>(
modal_container->layout_manager())
: nullptr;
}
StatusAreaWidget* RootWindowController::GetStatusAreaWidget() {
ShelfWidget* shelf_widget = shelf_->shelf_widget();
return shelf_widget ? shelf_widget->status_area_widget() : nullptr;
}
bool RootWindowController::IsSystemTrayVisible() {
TrayBackgroundView* tray = GetStatusAreaWidget()->unified_system_tray();
return tray && tray->GetWidget()->IsVisible() && tray->GetVisible();
}
bool RootWindowController::CanWindowReceiveEvents(aura::Window* window) {
if (GetRootWindow() != window->GetRootWindow())
return false;
aura::Window* blocking_container = nullptr;
aura::Window* modal_container = nullptr;
window_util::GetBlockingContainersForRoot(
GetRootWindow(), &blocking_container, &modal_container);
SystemModalContainerLayoutManager* modal_layout_manager = nullptr;
modal_layout_manager = static_cast<SystemModalContainerLayoutManager*>(
modal_container->layout_manager());
if (modal_layout_manager->has_window_dimmer())
blocking_container = modal_container;
else
modal_container = nullptr; // Don't check modal dialogs.
// In normal session.
if (!blocking_container)
return true;
if (!IsWindowAboveContainer(window, blocking_container))
return false;
if (modal_container) {
// If the window is in the target modal container, only allow the top most
// one.
if (modal_container->Contains(window))
return modal_layout_manager->IsPartOfActiveModalWindow(window);
// Don't allow shelf to process events if there is a visible modal dialog.
if (IsInShelfContainer(window->parent()))
return false;
}
return true;
}
aura::Window* RootWindowController::FindEventTarget(
const gfx::Point& location_in_screen) {
gfx::Point location_in_root(location_in_screen);
aura::Window* root_window = GetRootWindow();
::wm::ConvertPointFromScreen(root_window, &location_in_root);
ui::MouseEvent test_event(ui::ET_MOUSE_MOVED, location_in_root,
location_in_root, ui::EventTimeForNow(),
ui::EF_NONE, ui::EF_NONE);
ui::EventTarget* event_handler =
root_window->GetHost()
->dispatcher()
->GetDefaultEventTargeter()
->FindTargetForEvent(root_window, &test_event);
return static_cast<aura::Window*>(event_handler);
}
gfx::Point RootWindowController::GetLastMouseLocationInRoot() {
return window_tree_host_->dispatcher()->GetLastMouseLocationInRoot();
}
aura::Window* RootWindowController::GetContainer(int container_id) {
return GetRootWindow()->GetChildById(container_id);
}
const aura::Window* RootWindowController::GetContainer(int container_id) const {
return window_tree_host_->window()->GetChildById(container_id);
}
void RootWindowController::Shutdown() {
auto targeter = GetRootWindow()->SetEventTargeter(
std::make_unique<aura::NullWindowTargeter>());
touch_exploration_manager_.reset();
wallpaper_widget_controller_.reset();
CloseAmbientWidget(/*immediately=*/true);
CloseChildWindows();
aura::Window* root_window = GetRootWindow();
GetRootWindowSettings(root_window)->controller = nullptr;
// Forget with the display ID so that display lookup
// ends up with invalid display.
GetRootWindowSettings(root_window)->display_id = display::kInvalidDisplayId;
if (ash_host_)
ash_host_->PrepareForShutdown();
system_wallpaper_.reset();
lock_screen_action_background_controller_.reset();
aura::client::SetScreenPositionClient(root_window, nullptr);
// The targeter may still on the stack, so delete it later.
if (targeter) {
base::ThreadTaskRunnerHandle::Get()->DeleteSoon(FROM_HERE,
std::move(targeter));
}
}
void RootWindowController::CloseChildWindows() {
// Child windows can be closed by secondary monitor disconnection, Shell
// shutdown, or both. Avoid running the related cleanup code twice.
if (did_close_child_windows_)
return;
did_close_child_windows_ = true;
aura::Window* root = GetRootWindow();
Shell::Get()->desks_controller()->OnRootWindowClosing(root);
// Notify the keyboard controller before closing child windows and shutting
// down associated layout managers.
Shell::Get()->keyboard_controller()->OnRootWindowClosing(root);
OverviewController* overview_controller = Shell::Get()->overview_controller();
if (overview_controller && overview_controller->InOverviewSession())
overview_controller->overview_session()->OnRootWindowClosing(root);
shelf_->ShutdownShelfWidget();
ClearWorkspaceControllers(root);
// Explicitly destroy top level windows. We do this because such windows may
// query the RootWindow for state.
aura::WindowTracker non_toplevel_windows;
non_toplevel_windows.Add(root);
while (!non_toplevel_windows.windows().empty()) {
aura::Window* non_toplevel_window = non_toplevel_windows.Pop();
aura::WindowTracker toplevel_windows;
for (aura::Window* child : non_toplevel_window->children()) {
if (!ShouldDestroyWindowInCloseChildWindows(child))
continue;
if (child->delegate())
toplevel_windows.Add(child);
else
non_toplevel_windows.Add(child);
}
while (!toplevel_windows.windows().empty())
delete toplevel_windows.Pop();
}
// Reset layout manager so that it won't fire unnecessary layout evetns.
root->SetLayoutManager(nullptr);
// And then remove the containers.
while (!root->children().empty()) {
aura::Window* child = root->children()[0];
if (ShouldDestroyWindowInCloseChildWindows(child))
delete child;
else
root->RemoveChild(child);
}
// Removing the containers destroys ShelfLayoutManager. ShelfWidget outlives
// ShelfLayoutManager because ShelfLayoutManager holds a pointer to it.
shelf_->DestroyShelfWidget();
::wm::SetTooltipClient(GetRootWindow(), nullptr);
}
void RootWindowController::MoveWindowsTo(aura::Window* dst) {
// Suspend unnecessary updates of the shelf visibility indefinitely since it
// is going away.
if (GetShelfLayoutManager())
GetShelfLayoutManager()->SuspendVisibilityUpdateForShutdown();
// Clear the workspace controller to avoid a lot of unnecessary operations
// when window are removed.
// TODO(afakhry): Should we also clear the WorkspaceLayoutManagers of the pip,
// always-on-top, and other containers?
aura::Window* root = GetRootWindow();
ClearWorkspaceControllers(root);
ReparentAllWindows(root, dst);
}
void RootWindowController::UpdateShelfVisibility() {
shelf_->UpdateVisibilityState();
}
void RootWindowController::InitTouchHuds() {
// Enable touch debugging features when each display is initialized.
base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
if (command_line->HasSwitch(switches::kAshTouchHud))
set_touch_hud_debug(new TouchHudDebug(GetRootWindow()));
// TouchHudProjection manages its own lifetime.
if (command_line->HasSwitch(switches::kShowTaps))
touch_hud_projection_ = new TouchHudProjection(GetRootWindow());
}
aura::Window* RootWindowController::GetWindowForFullscreenMode() {
return GetWindowForFullscreenModeInRoot(GetRootWindow());
}
bool RootWindowController::IsInFullscreenMode() {
auto* window = GetWindowForFullscreenMode();
return window && WindowState::Get(window)->GetHideShelfWhenFullscreen();
}
void RootWindowController::SetTouchAccessibilityAnchorPoint(
const gfx::Point& anchor_point) {
if (touch_exploration_manager_)
touch_exploration_manager_->SetTouchAccessibilityAnchorPoint(anchor_point);
}
void RootWindowController::ShowContextMenu(const gfx::Point& location_in_screen,
ui::MenuSourceType source_type) {
const int64_t display_id = display::Screen::GetScreen()
->GetDisplayNearestWindow(GetRootWindow())
.id();
root_window_menu_model_adapter_ =
std::make_unique<RootWindowMenuModelAdapter>(
std::make_unique<ShelfContextMenuModel>(nullptr, display_id),
wallpaper_widget_controller()->GetWidget(), source_type,
base::BindOnce(&RootWindowController::OnMenuClosed,
base::Unretained(this)),
Shell::Get()->tablet_mode_controller()->InTabletMode());
root_window_menu_model_adapter_->Run(
gfx::Rect(location_in_screen, gfx::Size()),
views::MenuAnchorPosition::kBubbleRight,
views::MenuRunner::CONTEXT_MENU |
views::MenuRunner::USE_TOUCHABLE_LAYOUT |
views::MenuRunner::FIXED_ANCHOR);
}
void RootWindowController::HideContextMenu() {
if (root_window_menu_model_adapter_)
root_window_menu_model_adapter_->Cancel();
}
bool RootWindowController::IsContextMenuShown() const {
return root_window_menu_model_adapter_ &&
root_window_menu_model_adapter_->IsShowingMenu();
}
void RootWindowController::UpdateAfterLoginStatusChange(LoginStatus status) {
StatusAreaWidget* status_area_widget =
shelf_->shelf_widget()->status_area_widget();
if (status_area_widget)
status_area_widget->UpdateAfterLoginStatusChange(status);
}
void RootWindowController::CreateAmbientWidget() {
DCHECK(!ambient_widget_);
auto* ambient_controller = Shell::Get()->ambient_controller();
if (ambient_controller && ambient_controller->IsShown()) {
ambient_widget_ = ambient_controller->CreateWidget(
GetRootWindow()->GetChildById(kShellWindowId_AmbientModeContainer));
}
}
void RootWindowController::CloseAmbientWidget(bool immediately) {
if (ambient_widget_) {
if (immediately)
ambient_widget_->CloseNow();
else
ambient_widget_->CloseWithReason(views::Widget::ClosedReason::kLostFocus);
}
ambient_widget_.reset();
}
AccessibilityPanelLayoutManager*
RootWindowController::GetAccessibilityPanelLayoutManagerForTest() {
return GetAccessibilityPanelLayoutManager();
}
////////////////////////////////////////////////////////////////////////////////
// RootWindowController, private:
RootWindowController::RootWindowController(AshWindowTreeHost* ash_host)
: ash_host_(ash_host),
window_tree_host_(ash_host->AsWindowTreeHost()),
shelf_(std::make_unique<Shelf>()),
lock_screen_action_background_controller_(
LockScreenActionBackgroundController::Create()),
work_area_insets_(std::make_unique<WorkAreaInsets>(this)) {
DCHECK(ash_host_);
DCHECK(window_tree_host_);
if (!root_window_controllers_)
root_window_controllers_ = new std::vector<RootWindowController*>;
root_window_controllers_->push_back(this);
aura::Window* root_window = GetRootWindow();
GetRootWindowSettings(root_window)->controller = this;
stacking_controller_.reset(new StackingController);
aura::client::SetWindowParentingClient(root_window,
stacking_controller_.get());
capture_client_.reset(new ::wm::ScopedCaptureClient(root_window));
}
void RootWindowController::Init(RootWindowType root_window_type) {
aura::Window* root_window = GetRootWindow();
// If the |ash::features::kMultiDisplayOverviewAndSplitView| feature flag is
// enabled, create |split_view_controller_| for every display. Otherwise,
// create |split_view_controller_| for the primary display only.
display::Screen* screen = display::Screen::GetScreen();
if (AreMultiDisplayOverviewAndSplitViewEnabled() ||
screen->GetDisplayNearestWindow(root_window).id() ==
screen->GetPrimaryDisplay().id()) {
split_view_controller_ = std::make_unique<SplitViewController>(root_window);
}
Shell* shell = Shell::Get();
shell->InitRootWindow(root_window);
auto old_targeter =
root_window->SetEventTargeter(std::make_unique<RootWindowTargeter>());
DCHECK(!old_targeter);
CreateContainers();
CreateSystemWallpaper(root_window_type);
InitLayoutManagers();
InitTouchHuds();
InitializeShelf();
if (Shell::GetPrimaryRootWindowController()
->GetSystemModalLayoutManager(nullptr)
->has_window_dimmer()) {
GetSystemModalLayoutManager(nullptr)->CreateModalBackground();
}
wallpaper_widget_controller_ =
std::make_unique<WallpaperWidgetController>(root_window);
wallpaper_widget_controller_->Init(
Shell::Get()->session_controller()->IsUserSessionBlocked());
root_window_layout_manager_->OnWindowResized();
CreateAmbientWidget();
// Explicitly update the desks controller before notifying the ShellObservers.
// This is to make sure the desks' states are correct before clients are
// updated.
Shell::Get()->desks_controller()->OnRootWindowAdded(root_window);
if (root_window_type == RootWindowType::PRIMARY) {
shell->keyboard_controller()->RebuildKeyboardIfEnabled();
} else {
window_tree_host_->Show();
// Notify shell observers about new root window.
shell->OnRootWindowAdded(root_window);
}
if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
switches::kAshDisableTouchExplorationMode)) {
touch_exploration_manager_ =
std::make_unique<TouchExplorationManager>(this);
}
}
void RootWindowController::InitLayoutManagers() {
// Create the shelf and status area widgets. Creates the ShelfLayoutManager
// as a side-effect.
DCHECK(!shelf_->shelf_widget());
aura::Window* root = GetRootWindow();
shelf_->CreateShelfWidget(root);
root->SetLayoutManager(root_window_layout_manager_);
for (auto* container : desks_util::GetDesksContainers(root)) {
// Installs WorkspaceLayoutManager on the container.
SetWorkspaceController(container, new WorkspaceController(container));
}
aura::Window* modal_container =
GetContainer(kShellWindowId_SystemModalContainer);
modal_container->SetLayoutManager(
new SystemModalContainerLayoutManager(modal_container));
aura::Window* lock_modal_container =
GetContainer(kShellWindowId_LockSystemModalContainer);
DCHECK(lock_modal_container);
lock_modal_container->SetLayoutManager(
new SystemModalContainerLayoutManager(lock_modal_container));
aura::Window* lock_action_handler_container =
GetContainer(kShellWindowId_LockActionHandlerContainer);
DCHECK(lock_action_handler_container);
lock_screen_action_background_controller_->SetParentWindow(
lock_action_handler_container);
lock_action_handler_container->SetLayoutManager(
new LockActionHandlerLayoutManager(
lock_action_handler_container, shelf_.get(),
lock_screen_action_background_controller_.get()));
aura::Window* lock_container =
GetContainer(kShellWindowId_LockScreenContainer);
DCHECK(lock_container);
lock_container->SetLayoutManager(
new LockLayoutManager(lock_container, shelf_.get()));
aura::Window* always_on_top_container =
GetContainer(kShellWindowId_AlwaysOnTopContainer);
aura::Window* pip_container = GetContainer(kShellWindowId_PipContainer);
DCHECK(always_on_top_container);
DCHECK(pip_container);
always_on_top_controller_ = std::make_unique<AlwaysOnTopController>(
always_on_top_container, pip_container);
// Make it easier to resize windows that partially overlap the shelf. Must
// occur after the ShelfLayoutManager is constructed by ShelfWidget.
aura::Window* shelf_container = GetContainer(kShellWindowId_ShelfContainer);
shelf_container->SetEventTargeter(
std::make_unique<ShelfWindowTargeter>(shelf_container, shelf_.get()));
}
void RootWindowController::CreateContainers() {
aura::Window* root = GetRootWindow();
root_window_layout_manager_ = new RootWindowLayoutManager(root);
// Add a NOT_DRAWN layer in between the root_window's layer and its current
// children so that we only need to initiate two LayerAnimationSequences for
// fullscreen animations such as the screen rotation animation and the desk
// switch animation. Those animations take a screenshot of this container,
// stack it ontop and animate the screenshot instead of the individual
// elements.
aura::Window* screen_rotation_container =
CreateContainer(kShellWindowId_ScreenAnimationContainer,