forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
login_shelf_view.cc
835 lines (719 loc) · 30.4 KB
/
login_shelf_view.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
// Copyright 2017 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/shelf/login_shelf_view.h"
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include "ash/focus_cycler.h"
#include "ash/lock_screen_action/lock_screen_action_background_state.h"
#include "ash/login/login_screen_controller.h"
#include "ash/login/ui/lock_screen.h"
#include "ash/public/cpp/ash_constants.h"
#include "ash/public/cpp/login_constants.h"
#include "ash/public/cpp/shelf_config.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/root_window_controller.h"
#include "ash/session/session_controller_impl.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/status_area_widget.h"
#include "ash/system/status_area_widget_delegate.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/system/tray/tray_popup_utils.h"
#include "ash/wm/lock_state_controller.h"
#include "base/bind.h"
#include "base/callback_helpers.h"
#include "base/metrics/user_metrics.h"
#include "base/sequence_checker.h"
#include "base/threading/thread_task_runner_handle.h"
#include "chromeos/constants/chromeos_switches.h"
#include "chromeos/strings/grit/chromeos_strings.h"
#include "skia/ext/image_operations.h"
#include "ui/accessibility/ax_node_data.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/models/menu_model.h"
#include "ui/base/models/simple_menu_model.h"
#include "ui/compositor/scoped_layer_animation_settings.h"
#include "ui/gfx/canvas.h"
#include "ui/gfx/color_palette.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image_skia_operations.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/gfx/vector_icon_types.h"
#include "ui/views/accessibility/view_accessibility.h"
#include "ui/views/animation/ink_drop_impl.h"
#include "ui/views/animation/ink_drop_mask.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/button/menu_button.h"
#include "ui/views/controls/highlight_path_generator.h"
#include "ui/views/controls/menu/menu_runner.h"
#include "ui/views/controls/menu/menu_types.h"
#include "ui/views/focus/focus_search.h"
#include "ui/views/layout/box_layout.h"
#include "ui/views/view_class_properties.h"
#include "ui/views/widget/widget.h"
using session_manager::SessionState;
namespace ash {
namespace {
const char* kLoginShelfButtonClassName = "LoginShelfButton";
LoginMetricsRecorder::ShelfButtonClickTarget GetUserClickTarget(int button_id) {
switch (button_id) {
case LoginShelfView::kShutdown:
return LoginMetricsRecorder::ShelfButtonClickTarget::kShutDownButton;
case LoginShelfView::kRestart:
return LoginMetricsRecorder::ShelfButtonClickTarget::kRestartButton;
case LoginShelfView::kSignOut:
return LoginMetricsRecorder::ShelfButtonClickTarget::kSignOutButton;
case LoginShelfView::kCloseNote:
return LoginMetricsRecorder::ShelfButtonClickTarget::kCloseNoteButton;
case LoginShelfView::kBrowseAsGuest:
return LoginMetricsRecorder::ShelfButtonClickTarget::kBrowseAsGuestButton;
case LoginShelfView::kAddUser:
return LoginMetricsRecorder::ShelfButtonClickTarget::kAddUserButton;
case LoginShelfView::kCancel:
return LoginMetricsRecorder::ShelfButtonClickTarget::kCancelButton;
case LoginShelfView::kParentAccess:
return LoginMetricsRecorder::ShelfButtonClickTarget::kParentAccessButton;
}
return LoginMetricsRecorder::ShelfButtonClickTarget::kTargetCount;
}
// The margins of the button contents.
constexpr int kButtonMarginTopDp = 18;
constexpr int kButtonMarginLeftDp = 18;
constexpr int kButtonMarginBottomDp = 18;
constexpr int kButtonMarginRightDp = 16;
// Spacing between the button image and label.
constexpr int kImageLabelSpacingDp = 10;
// The color of the button text.
constexpr SkColor kButtonTextColor = gfx::kGoogleGrey100;
// The color of the button text during OOBE.
constexpr SkColor kButtonTextColorOobe = gfx::kGoogleGrey700;
// The color of the button icon.
constexpr SkColor kButtonIconColor = SkColorSetRGB(0xEB, 0xEA, 0xED);
void AnimateButtonOpacity(ui::Layer* layer,
float target_opacity,
base::TimeDelta animation_duration,
gfx::Tween::Type type) {
ui::ScopedLayerAnimationSettings animation_setter(layer->GetAnimator());
animation_setter.SetTransitionDuration(animation_duration);
animation_setter.SetTweenType(type);
animation_setter.SetPreemptionStrategy(
ui::LayerAnimator::IMMEDIATELY_ANIMATE_TO_NEW_TARGET);
layer->SetOpacity(target_opacity);
}
// TODO(crbug.com/1051293): The highlight or ink drop will be incorrect if the
// values returned by |ShelfConfig| change midway.
gfx::Insets GetButtonInsets() {
const int height_inset =
(ShelfConfig::Get()->shelf_size() - ShelfConfig::Get()->control_size()) /
2;
return gfx::Insets(height_inset, ShelfConfig::Get()->button_spacing(),
height_inset, 0);
}
SkPath GetButtonHighlightPath(const views::View* view) {
gfx::Rect rect(view->GetLocalBounds());
rect.Inset(GetButtonInsets());
const int border_radius = ShelfConfig::Get()->control_border_radius();
return SkPath().addRoundRect(gfx::RectToSkRect(rect), border_radius,
border_radius);
}
class LoginShelfButton : public views::LabelButton {
public:
LoginShelfButton(views::ButtonListener* listener,
int text_resource_id,
const gfx::VectorIcon& icon)
: LabelButton(listener, l10n_util::GetStringUTF16(text_resource_id)),
text_resource_id_(text_resource_id),
icon_(icon) {
SetAccessibleName(GetText());
SetImage(views::Button::STATE_NORMAL,
gfx::CreateVectorIcon(icon, kButtonIconColor));
SetImage(views::Button::STATE_DISABLED,
gfx::CreateVectorIcon(
icon, SkColorSetA(kButtonIconColor,
login_constants::kButtonDisabledAlpha)));
SetFocusBehavior(FocusBehavior::ALWAYS);
SetInstallFocusRingOnFocus(true);
views::InstallRoundRectHighlightPathGenerator(
this, GetButtonInsets(), ShelfConfig::Get()->control_border_radius());
focus_ring()->SetColor(ShelfConfig::Get()->shelf_focus_border_color());
SetFocusPainter(nullptr);
SetInkDropMode(InkDropMode::ON);
set_has_ink_drop_action_on_click(true);
set_ink_drop_base_color(ShelfConfig::Get()->shelf_ink_drop_base_color());
set_ink_drop_visible_opacity(
ShelfConfig::Get()->shelf_ink_drop_visible_opacity());
// Layer rendering is required when the shelf background is visible, which
// happens when the wallpaper is not blurred.
SetPaintToLayer();
layer()->SetFillsBoundsOpaquely(false);
SetTextSubpixelRenderingEnabled(false);
SetImageLabelSpacing(kImageLabelSpacingDp);
SetEnabledTextColors(kButtonTextColor);
SetTextColor(
views::Button::STATE_DISABLED,
SkColorSetA(kButtonTextColor, login_constants::kButtonDisabledAlpha));
label()->SetFontList(views::Label::GetDefaultFontList().Derive(
1, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::NORMAL));
}
~LoginShelfButton() override = default;
int text_resource_id() const { return text_resource_id_; }
// views::LabelButton:
gfx::Insets GetInsets() const override {
return gfx::Insets(0, kButtonMarginLeftDp, 0, kButtonMarginRightDp);
}
const char* GetClassName() const override {
return kLoginShelfButtonClassName;
}
void PaintButtonContents(gfx::Canvas* canvas) override {
cc::PaintFlags flags;
flags.setAntiAlias(true);
flags.setColor(ShelfConfig::Get()->GetShelfControlButtonColor());
flags.setStyle(cc::PaintFlags::kFill_Style);
canvas->DrawPath(GetButtonHighlightPath(this), flags);
}
std::unique_ptr<views::InkDrop> CreateInkDrop() override {
auto ink_drop = std::make_unique<views::InkDropImpl>(this, size());
ink_drop->SetShowHighlightOnHover(false);
ink_drop->SetShowHighlightOnFocus(false);
return ink_drop;
}
base::string16 GetTooltipText(const gfx::Point& p) const override {
if (label()->IsDisplayTextTruncated())
return label()->GetText();
return base::string16();
}
void PaintDarkColors() {
SetEnabledTextColors(kButtonTextColorOobe);
SetImage(views::Button::STATE_NORMAL,
gfx::CreateVectorIcon(icon_, kButtonTextColorOobe));
SchedulePaint();
}
void PaintLightColors() {
SetEnabledTextColors(kButtonTextColor);
SetImage(views::Button::STATE_NORMAL,
gfx::CreateVectorIcon(icon_, kButtonTextColor));
SchedulePaint();
}
private:
const int text_resource_id_;
const gfx::VectorIcon& icon_;
DISALLOW_COPY_AND_ASSIGN(LoginShelfButton);
};
void StartAddUser() {
Shell::Get()->login_screen_controller()->ShowGaiaSignin(
EmptyAccountId() /*prefilled_account*/);
}
bool DialogStateGuestAllowed(OobeDialogState state) {
return state == OobeDialogState::GAIA_SIGNIN ||
state == OobeDialogState::ERROR || state == OobeDialogState::HIDDEN;
}
bool ShutdownButtonHidden(OobeDialogState state) {
return state == OobeDialogState::MIGRATION ||
state == OobeDialogState::ENROLLMENT ||
state == OobeDialogState::ONBOARDING ||
state == OobeDialogState::KIOSK_LAUNCH ||
state == OobeDialogState::PASSWORD_CHANGED;
}
} // namespace
class KioskAppsButton : public views::MenuButton,
public views::ButtonListener,
public ui::SimpleMenuModel,
public ui::SimpleMenuModel::Delegate {
public:
KioskAppsButton()
: MenuButton(l10n_util::GetStringUTF16(IDS_ASH_SHELF_APPS_BUTTON), this),
ui::SimpleMenuModel(this) {
SetFocusBehavior(FocusBehavior::ALWAYS);
SetInstallFocusRingOnFocus(true);
views::InstallRoundRectHighlightPathGenerator(
this, GetButtonInsets(), ShelfConfig::Get()->control_border_radius());
focus_ring()->SetColor(ShelfConfig::Get()->shelf_focus_border_color());
SetFocusPainter(nullptr);
SetInkDropMode(InkDropMode::ON);
set_has_ink_drop_action_on_click(true);
set_ink_drop_base_color(ShelfConfig::Get()->shelf_ink_drop_base_color());
set_ink_drop_visible_opacity(
ShelfConfig::Get()->shelf_ink_drop_visible_opacity());
// Layer rendering is required when the shelf background is visible, which
// happens when the wallpaper is not blurred.
SetPaintToLayer();
layer()->SetFillsBoundsOpaquely(false);
SetTextSubpixelRenderingEnabled(false);
SetImage(views::Button::STATE_NORMAL,
CreateVectorIcon(kShelfAppsButtonIcon, kButtonIconColor));
SetImageLabelSpacing(kImageLabelSpacingDp);
SetEnabledTextColors(kButtonTextColor);
label()->SetFontList(views::Label::GetDefaultFontList().Derive(
1, gfx::Font::FontStyle::NORMAL, gfx::Font::Weight::NORMAL));
}
bool LaunchAppForTesting(const std::string& app_id) {
for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
if (kiosk_apps_[i].app_id == app_id) {
ExecuteCommand(i, 0);
return true;
}
}
return false;
}
// Replace the existing items list with a new list of kiosk app menu items.
void SetApps(const std::vector<KioskAppMenuEntry>& kiosk_apps,
const base::RepeatingCallback<void(const KioskAppMenuEntry&)>&
launch_app) {
launch_app_callback_ = launch_app;
kiosk_apps_ = kiosk_apps;
Clear();
const gfx::Size kAppIconSize(16, 16);
for (size_t i = 0; i < kiosk_apps_.size(); ++i) {
gfx::ImageSkia icon = gfx::ImageSkiaOperations::CreateResizedImage(
kiosk_apps_[i].icon, skia::ImageOperations::RESIZE_GOOD,
kAppIconSize);
AddItemWithIcon(i, kiosk_apps_[i].name, icon);
}
}
bool HasApps() const { return !kiosk_apps_.empty(); }
// views::MenuButton:
gfx::Insets GetInsets() const override {
return gfx::Insets(kButtonMarginTopDp, kButtonMarginLeftDp,
kButtonMarginBottomDp, kButtonMarginRightDp);
}
void PaintButtonContents(gfx::Canvas* canvas) override {
cc::PaintFlags flags;
flags.setAntiAlias(true);
flags.setColor(ShelfConfig::Get()->GetShelfControlButtonColor());
flags.setStyle(cc::PaintFlags::kFill_Style);
canvas->DrawPath(GetButtonHighlightPath(this), flags);
}
void SetVisible(bool visible) override {
MenuButton::SetVisible(visible);
if (visible)
is_launch_enabled_ = true;
}
std::unique_ptr<views::InkDrop> CreateInkDrop() override {
auto ink_drop = std::make_unique<views::InkDropImpl>(this, size());
ink_drop->SetShowHighlightOnHover(false);
ink_drop->SetShowHighlightOnFocus(false);
return ink_drop;
}
void PaintDarkColors() {
SetEnabledTextColors(kButtonTextColorOobe);
SetImage(views::Button::STATE_NORMAL,
CreateVectorIcon(kShelfAppsButtonIcon, kButtonTextColorOobe));
SchedulePaint();
}
void PaintLightColors() {
SetEnabledTextColors(kButtonTextColor);
SetImage(views::Button::STATE_NORMAL,
CreateVectorIcon(kShelfAppsButtonIcon, kButtonIconColor));
SchedulePaint();
}
// views::ButtonListener:
void ButtonPressed(Button* source, const ui::Event& event) override {
if (!is_launch_enabled_)
return;
menu_runner_.reset(
new views::MenuRunner(this, views::MenuRunner::HAS_MNEMONICS));
const gfx::Point point = source->GetMenuPosition();
const gfx::Point origin(point.x() - source->width(),
point.y() - source->height());
menu_runner_->RunMenuAt(source->GetWidget()->GetTopLevelWidget(),
button_controller(), gfx::Rect(origin, gfx::Size()),
views::MenuAnchorPosition::kTopLeft,
ui::MENU_SOURCE_NONE);
}
// ui::SimpleMenuModel:
void ExecuteCommand(int command_id, int event_flags) override {
DCHECK(command_id >= 0 &&
base::checked_cast<size_t>(command_id) < kiosk_apps_.size());
// Once an app is clicked on, don't allow any additional clicks until
// the state is reset (when login screen reappears).
is_launch_enabled_ = false;
launch_app_callback_.Run(kiosk_apps_[command_id]);
}
bool IsCommandIdChecked(int command_id) const override { return false; }
bool IsCommandIdEnabled(int command_id) const override { return true; }
private:
base::RepeatingCallback<void(const KioskAppMenuEntry&)> launch_app_callback_;
std::unique_ptr<views::MenuRunner> menu_runner_;
std::vector<KioskAppMenuEntry> kiosk_apps_;
bool is_launch_enabled_ = true;
DISALLOW_COPY_AND_ASSIGN(KioskAppsButton);
};
// Class that temporarily disables Guest login buttin on shelf.
class LoginShelfView::ScopedGuestButtonBlockerImpl
: public ScopedGuestButtonBlocker {
public:
ScopedGuestButtonBlockerImpl(base::WeakPtr<LoginShelfView> shelf_view)
: shelf_view_(shelf_view) {
++(shelf_view_->scoped_guest_button_blockers_);
if (shelf_view_->scoped_guest_button_blockers_ == 1)
shelf_view_->UpdateUi();
}
~ScopedGuestButtonBlockerImpl() override {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (!shelf_view_)
return;
DCHECK_GT(shelf_view_->scoped_guest_button_blockers_, 0);
--(shelf_view_->scoped_guest_button_blockers_);
if (!shelf_view_->scoped_guest_button_blockers_)
shelf_view_->UpdateUi();
}
private:
SEQUENCE_CHECKER(sequence_checker_);
// ScopedGuestButtonBlockerImpl is not owned by the LoginShelfView,
// so they could be independently destroyed.
base::WeakPtr<LoginShelfView> shelf_view_;
};
LoginShelfView::TestUiUpdateDelegate::~TestUiUpdateDelegate() = default;
LoginShelfView::LoginShelfView(
LockScreenActionBackgroundController* lock_screen_action_background)
: lock_screen_action_background_(lock_screen_action_background) {
// We reuse the focusable state on this view as a signal that focus should
// switch to the lock screen or status area. This view should otherwise not
// be focusable.
SetFocusBehavior(FocusBehavior::ALWAYS);
SetLayoutManager(std::make_unique<views::BoxLayout>(
views::BoxLayout::Orientation::kHorizontal));
auto add_button = [this](ButtonId id, int text_resource_id,
const gfx::VectorIcon& icon) {
LoginShelfButton* button =
new LoginShelfButton(this, text_resource_id, icon);
button->SetID(id);
AddChildView(button);
};
add_button(kShutdown, IDS_ASH_SHELF_SHUTDOWN_BUTTON,
kShelfShutdownButtonIcon);
kiosk_apps_button_ = new KioskAppsButton();
kiosk_apps_button_->SetID(kApps);
AddChildView(kiosk_apps_button_);
add_button(kRestart, IDS_ASH_SHELF_RESTART_BUTTON, kShelfShutdownButtonIcon);
add_button(kSignOut, IDS_ASH_SHELF_SIGN_OUT_BUTTON, kShelfSignOutButtonIcon);
add_button(kCloseNote, IDS_ASH_SHELF_UNLOCK_BUTTON, kShelfUnlockButtonIcon);
add_button(kCancel, IDS_ASH_SHELF_CANCEL_BUTTON, kShelfCancelButtonIcon);
add_button(kBrowseAsGuest, IDS_ASH_BROWSE_AS_GUEST_BUTTON,
kShelfBrowseAsGuestButtonIcon);
add_button(kAddUser, IDS_ASH_ADD_USER_BUTTON, kShelfAddPersonButtonIcon);
add_button(kParentAccess, IDS_ASH_PARENT_ACCESS_BUTTON, kPinRequestLockIcon);
// Adds observers for states that affect the visiblity of different buttons.
tray_action_observer_.Add(Shell::Get()->tray_action());
shutdown_controller_observer_.Add(Shell::Get()->shutdown_controller());
lock_screen_action_background_observer_.Add(lock_screen_action_background);
locale_change_observer_.Add(Shell::Get()->locale_update_controller());
login_data_dispatcher_observer_.Add(
Shell::Get()->login_screen_controller()->data_dispatcher());
UpdateUi();
}
LoginShelfView::~LoginShelfView() = default;
void LoginShelfView::UpdateAfterSessionChange() {
UpdateUi();
}
const char* LoginShelfView::GetClassName() const {
return "LoginShelfView";
}
void LoginShelfView::OnFocus() {
LOG(WARNING) << "LoginShelfView was focused, but this should never happen. "
"Forwarded focus to shelf widget with an unknown direction.";
Shell::Get()->focus_cycler()->FocusWidget(
Shelf::ForWindow(GetWidget()->GetNativeWindow())->shelf_widget());
}
void LoginShelfView::AboutToRequestFocusFromTabTraversal(bool reverse) {
if (reverse) {
// Focus should leave the system tray.
Shell::Get()->system_tray_notifier()->NotifyFocusOut(reverse);
} else {
// Focus goes to status area.
StatusAreaWidget* status_area_widget =
Shelf::ForWindow(GetWidget()->GetNativeWindow())->GetStatusAreaWidget();
status_area_widget->status_area_widget_delegate()
->set_default_last_focusable_child(reverse);
Shell::Get()->focus_cycler()->FocusWidget(status_area_widget);
}
}
void LoginShelfView::GetAccessibleNodeData(ui::AXNodeData* node_data) {
if (LockScreen::HasInstance()) {
GetViewAccessibility().OverridePreviousFocus(LockScreen::Get()->widget());
}
Shelf* shelf = Shelf::ForWindow(GetWidget()->GetNativeWindow());
GetViewAccessibility().OverrideNextFocus(shelf->GetStatusAreaWidget());
node_data->role = ax::mojom::Role::kToolbar;
node_data->SetName(l10n_util::GetStringUTF8(IDS_ASH_SHELF_ACCESSIBLE_NAME));
}
void LoginShelfView::Layout() {
views::View::Layout();
UpdateButtonUnionBounds();
}
void LoginShelfView::ButtonPressed(views::Button* sender,
const ui::Event& event) {
UserMetricsRecorder::RecordUserClickOnShelfButton(
GetUserClickTarget(sender->GetID()));
switch (sender->GetID()) {
case kShutdown:
case kRestart:
// |ShutdownController| will further distinguish the two cases based on
// shutdown policy.
Shell::Get()->lock_state_controller()->RequestShutdown(
ShutdownReason::LOGIN_SHUT_DOWN_BUTTON);
break;
case kSignOut:
base::RecordAction(base::UserMetricsAction("ScreenLocker_Signout"));
Shell::Get()->session_controller()->RequestSignOut();
break;
case kCloseNote:
Shell::Get()->tray_action()->CloseLockScreenNote(
mojom::CloseLockScreenNoteReason::kUnlockButtonPressed);
break;
case kCancel:
// If the Cancel button has focus, clear it. Otherwise the shelf within
// active session may still be focused.
GetFocusManager()->ClearFocus();
Shell::Get()->login_screen_controller()->CancelAddUser();
break;
case kBrowseAsGuest:
Shell::Get()->login_screen_controller()->LoginAsGuest();
break;
case kAddUser:
StartAddUser();
break;
case kParentAccess:
// TODO(https://crbug.com/999387): Remove this when handling touch
// cancellation is fixed for system modal windows.
base::ThreadTaskRunnerHandle::Get()->PostTask(
FROM_HERE, base::BindOnce([]() {
LockScreen::Get()->ShowParentAccessDialog();
}));
break;
default:
NOTREACHED();
}
}
bool LoginShelfView::LaunchAppForTesting(const std::string& app_id) {
return kiosk_apps_button_->GetEnabled() &&
kiosk_apps_button_->LaunchAppForTesting(app_id);
}
bool LoginShelfView::SimulateAddUserButtonForTesting() {
views::View* add_user_button = GetViewByID(kAddUser);
if (!add_user_button->GetEnabled())
return false;
StartAddUser();
return true;
}
bool LoginShelfView::SimulateGuestButtonForTesting() {
views::View* guest_login_button = GetViewByID(kBrowseAsGuest);
if (!guest_login_button->GetEnabled())
return false;
Shell::Get()->login_screen_controller()->LoginAsGuest();
return true;
}
void LoginShelfView::InstallTestUiUpdateDelegate(
std::unique_ptr<TestUiUpdateDelegate> delegate) {
DCHECK(!test_ui_update_delegate_.get());
test_ui_update_delegate_ = std::move(delegate);
}
void LoginShelfView::SetKioskApps(
const std::vector<KioskAppMenuEntry>& kiosk_apps,
const base::RepeatingCallback<void(const KioskAppMenuEntry&)>& launch_app) {
kiosk_apps_button_->SetApps(kiosk_apps, launch_app);
UpdateUi();
}
void LoginShelfView::SetLoginDialogState(OobeDialogState state) {
dialog_state_ = state;
UpdateUi();
}
void LoginShelfView::SetAllowLoginAsGuest(bool allow_guest) {
allow_guest_ = allow_guest;
UpdateUi();
}
void LoginShelfView::ShowParentAccessButton(bool show) {
show_parent_access_ = show;
UpdateUi();
}
void LoginShelfView::ShowGuestButtonInOobe(bool show) {
allow_guest_in_oobe_ = show;
UpdateUi();
}
void LoginShelfView::SetAddUserButtonEnabled(bool enable_add_user) {
GetViewByID(kAddUser)->SetEnabled(enable_add_user);
}
void LoginShelfView::SetShutdownButtonEnabled(bool enable_shutdown_button) {
GetViewByID(kShutdown)->SetEnabled(enable_shutdown_button);
}
void LoginShelfView::SetButtonOpacity(float target_opacity) {
static constexpr ButtonId kButtonIds[] = {
kShutdown, kRestart, kSignOut, kCloseNote,
kCancel, kParentAccess, kBrowseAsGuest, kAddUser};
for (const auto& button_id : kButtonIds) {
AnimateButtonOpacity(GetViewByID(button_id)->layer(), target_opacity,
ShelfConfig::Get()->DimAnimationDuration(),
ShelfConfig::Get()->DimAnimationTween());
}
AnimateButtonOpacity(kiosk_apps_button_->layer(), target_opacity,
ShelfConfig::Get()->DimAnimationDuration(),
ShelfConfig::Get()->DimAnimationTween());
}
std::unique_ptr<ScopedGuestButtonBlocker>
LoginShelfView::GetScopedGuestButtonBlocker() {
return std::make_unique<LoginShelfView::ScopedGuestButtonBlockerImpl>(
weak_ptr_factory_.GetWeakPtr());
}
void LoginShelfView::OnLockScreenNoteStateChanged(
mojom::TrayActionState state) {
UpdateUi();
}
void LoginShelfView::OnLockScreenActionBackgroundStateChanged(
LockScreenActionBackgroundState state) {
UpdateUi();
}
void LoginShelfView::OnShutdownPolicyChanged(bool reboot_on_shutdown) {
UpdateUi();
}
void LoginShelfView::OnUsersChanged(const std::vector<LoginUserInfo>& users) {
login_screen_has_users_ = !users.empty();
UpdateUi();
}
void LoginShelfView::OnOobeDialogStateChanged(OobeDialogState state) {
SetLoginDialogState(state);
}
void LoginShelfView::OnLocaleChanged() {
for (views::View* child : children()) {
if (child->GetClassName() == kLoginShelfButtonClassName) {
auto* button = static_cast<LoginShelfButton*>(child);
button->SetText(l10n_util::GetStringUTF16(button->text_resource_id()));
button->SetAccessibleName(button->GetText());
}
}
}
bool LoginShelfView::LockScreenActionBackgroundAnimating() const {
return lock_screen_action_background_->state() ==
LockScreenActionBackgroundState::kShowing ||
lock_screen_action_background_->state() ==
LockScreenActionBackgroundState::kHiding;
}
void LoginShelfView::UpdateUi() {
// Make sure observers are notified.
base::ScopedClosureRunner fire_observer(base::BindOnce(
[](LoginShelfView* self) {
if (self->test_ui_update_delegate())
self->test_ui_update_delegate()->OnUiUpdate();
},
base::Unretained(this)));
SessionState session_state =
Shell::Get()->session_controller()->GetSessionState();
if (session_state == SessionState::ACTIVE) {
// The entire view was set invisible. The buttons are also set invisible
// to avoid affecting calculation of the shelf size.
for (auto* child : children())
child->SetVisible(false);
return;
}
bool show_reboot = Shell::Get()->shutdown_controller()->reboot_on_shutdown();
mojom::TrayActionState tray_action_state =
Shell::Get()->tray_action()->GetLockScreenNoteState();
bool is_locked = (session_state == SessionState::LOCKED);
bool is_lock_screen_note_in_foreground =
(tray_action_state == mojom::TrayActionState::kActive ||
tray_action_state == mojom::TrayActionState::kLaunching) &&
!LockScreenActionBackgroundAnimating();
GetViewByID(kShutdown)->SetVisible(!show_reboot &&
!is_lock_screen_note_in_foreground &&
!ShutdownButtonHidden(dialog_state_));
GetViewByID(kRestart)->SetVisible(show_reboot &&
!is_lock_screen_note_in_foreground &&
!ShutdownButtonHidden(dialog_state_));
GetViewByID(kSignOut)->SetVisible(is_locked &&
!is_lock_screen_note_in_foreground);
GetViewByID(kCloseNote)
->SetVisible(is_locked && is_lock_screen_note_in_foreground);
GetViewByID(kCancel)->SetVisible(session_state ==
SessionState::LOGIN_SECONDARY);
GetViewByID(kParentAccess)->SetVisible(is_locked && show_parent_access_);
bool is_login_primary = (session_state == SessionState::LOGIN_PRIMARY);
bool dialog_visible = dialog_state_ != OobeDialogState::HIDDEN;
bool is_oobe = (session_state == SessionState::OOBE);
GetViewByID(kBrowseAsGuest)->SetVisible(ShouldShowGuestButton());
// Show add user button when it's in login screen and Oobe UI dialog is not
// visible. The button should not appear if the device is not connected to a
// network.
GetViewByID(kAddUser)->SetVisible(!dialog_visible && is_login_primary);
// Show kiosk apps button if:
// 1. It's in login screen.
// 2. There are Kiosk apps available.
kiosk_apps_button_->SetVisible(kiosk_apps_button_->HasApps() &&
(is_login_primary || is_oobe));
UpdateButtonColors(is_oobe);
Layout();
}
void LoginShelfView::UpdateButtonColors(bool use_dark_colors) {
if (use_dark_colors) {
static_cast<LoginShelfButton*>(GetViewByID(kShutdown))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kRestart))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kSignOut))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kCloseNote))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kCancel))->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kParentAccess))
->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kBrowseAsGuest))
->PaintDarkColors();
static_cast<LoginShelfButton*>(GetViewByID(kAddUser))->PaintDarkColors();
kiosk_apps_button_->PaintDarkColors();
} else {
static_cast<LoginShelfButton*>(GetViewByID(kShutdown))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kRestart))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kSignOut))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kCloseNote))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kCancel))->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kParentAccess))
->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kBrowseAsGuest))
->PaintLightColors();
static_cast<LoginShelfButton*>(GetViewByID(kAddUser))->PaintLightColors();
kiosk_apps_button_->PaintLightColors();
}
}
void LoginShelfView::UpdateButtonUnionBounds() {
button_union_bounds_ = gfx::Rect();
View::Views children = GetChildrenInZOrder();
for (auto* child : children) {
if (child->GetVisible())
button_union_bounds_.Union(child->bounds());
}
}
// Show guest button if:
// 1. Guest login is allowed.
// 2. OOBE UI dialog is currently showing the login UI or error.
// 3. No users sessions have started. Button is hidden from all post login
// screens like sync consent, etc.
// 4. It's in login screen or OOBE. Note: In OOBE, the guest button visibility
// is manually controlled by the WebUI.
// 5. OOBE UI dialog is not currently showing gaia signin screen, or if there
// are no user views available. If there are no user pods (i.e. Gaia is the
// only signin option), the guest button should be shown if allowed by policy
// and OOBE.
// 6. There are no scoped guest buttons blockers active.
bool LoginShelfView::ShouldShowGuestButton() const {
if (!allow_guest_)
return false;
if (scoped_guest_button_blockers_ > 0)
return false;
if (!DialogStateGuestAllowed(dialog_state_))
return false;
const bool user_session_started =
Shell::Get()->session_controller()->NumberOfLoggedInUsers() != 0;
if (user_session_started)
return false;
const SessionState session_state =
Shell::Get()->session_controller()->GetSessionState();
if (session_state == SessionState::OOBE)
return allow_guest_in_oobe_;
if (session_state != SessionState::LOGIN_PRIMARY)
return false;
if (dialog_state_ == OobeDialogState::GAIA_SIGNIN)
return !login_screen_has_users_ && allow_guest_in_oobe_;
return true;
}
} // namespace ash