ash/common/system/chromeos/session/logout_confirmation_controller.cc - Issue 2734653002: chromeos: Move files in //ash/common to //ash

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Issue 2734653002: chromeos: Move files in //ash/common to //ash (Closed)

Patch Set: fix a11y tests, fix docs Created 3 years, 9 months ago

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1 // Copyright 2014 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.

4

5 #include "ash/common/system/chromeos/session/logout_confirmation_controller.h"

6

7 #include <utility>

8

9 #include "ash/common/login_status.h"

10 #include "ash/common/system/chromeos/session/logout_confirmation_dialog.h"

11 #include "ash/common/system/tray/system_tray_delegate.h"

12 #include "ash/common/system/tray/system_tray_notifier.h"

13 #include "ash/common/wm_shell.h"

14 #include "base/location.h"

15 #include "base/time/default_tick_clock.h"

16 #include "base/time/tick_clock.h"

17 #include "ui/views/widget/widget.h"

18

19 namespace ash {

20 namespace {

21 const int kLogoutConfirmationDelayInSeconds = 20;

22 }

23

24 LogoutConfirmationController::LogoutConfirmationController(

25 const base::Closure& logout_closure)

26 : clock_(new base::DefaultTickClock),

27 logout_closure_(logout_closure),

28 dialog_(NULL),

29 logout_timer_(false, false) {

30 if (WmShell::HasInstance()) {

31 WmShell::Get()->AddShellObserver(this);

32 WmShell::Get()->system_tray_notifier()->AddLastWindowClosedObserver(this);

33 }

34 }

35

36 LogoutConfirmationController::~LogoutConfirmationController() {

37 if (WmShell::HasInstance()) {

38 WmShell::Get()->RemoveShellObserver(this);

39 WmShell::Get()->system_tray_notifier()->RemoveLastWindowClosedObserver(

40 this);

41 }

42 if (dialog_)

43 dialog_->ControllerGone();

44 }

45

46 void LogoutConfirmationController::ConfirmLogout(base::TimeTicks logout_time) {

47 if (!logout_time_.is_null() && logout_time >= logout_time_) {

48 // If a confirmation dialog is already being shown and its countdown expires

49 // no later than the \|logout_time\| requested now, keep the current dialog

50 // open.

51 return;

52 }

53 logout_time_ = logout_time;

54

55 if (!dialog_) {

56 // Show confirmation dialog unless this is a unit test without a Shell.

57 if (WmShell::HasInstance())

58 dialog_ = new LogoutConfirmationDialog(this, logout_time_);

59 } else {

60 dialog_->Update(logout_time_);

61 }

62

63 logout_timer_.Start(FROM_HERE, logout_time_ - clock_->NowTicks(),

64 logout_closure_);

65 }

66

67 void LogoutConfirmationController::SetClockForTesting(

68 std::unique_ptr<base::TickClock> clock) {

69 clock_ = std::move(clock);

70 }

71

72 void LogoutConfirmationController::OnLockStateChanged(bool locked) {

73 if (!locked \|\| logout_time_.is_null())

74 return;

75

76 // If the screen is locked while a confirmation dialog is being shown, close

77 // the dialog.

78 logout_time_ = base::TimeTicks();

79 if (dialog_)

80 dialog_->GetWidget()->Close();

81 logout_timer_.Stop();

82 }

83

84 void LogoutConfirmationController::OnLogoutConfirmed() {

85 logout_timer_.Stop();

86 logout_closure_.Run();

87 }

88

89 void LogoutConfirmationController::OnDialogClosed() {

90 logout_time_ = base::TimeTicks();

91 dialog_ = NULL;

92 logout_timer_.Stop();

93 }

94

95 void LogoutConfirmationController::OnLastWindowClosed() {

96 if (WmShell::Get()->system_tray_delegate()->GetUserLoginStatus() !=

97 LoginStatus::PUBLIC) {

98 return;

99 }

100

101 // Ask the user to confirm logout if a public session is in progress and the

102 // screen is not locked.

103 ConfirmLogout(

104 base::TimeTicks::Now() +

105 base::TimeDelta::FromSeconds(kLogoutConfirmationDelayInSeconds));

106 }

107

108 } // namespace ash

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