src/ash/system/chromeos/session/logout_confirmation_dialog.cc

   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/system/chromeos/session/logout_confirmation_dialog.h"
   6
   7 #include "ash/shell.h"
   8 #include "ash/system/chromeos/session/logout_confirmation_controller.h"
   9 #include "ash/system/tray/tray_constants.h"
  10 #include "base/location.h"
  11 #include "base/time/tick_clock.h"
  12 #include "grit/ash_strings.h"
  13 #include "ui/base/l10n/l10n_util.h"
  14 #include "ui/base/l10n/time_format.h"
  15 #include "ui/base/ui_base_types.h"
  16 #include "ui/gfx/text_constants.h"
  17 #include "ui/views/border.h"
  18 #include "ui/views/controls/label.h"
  19 #include "ui/views/layout/fill_layout.h"
  20 #include "ui/views/widget/widget.h"
  21
  22 namespace ash {
  23 namespace internal {
  24
  25 namespace {
  26
  27 const int kCountdownUpdateIntervalMs = 1000;  // 1 second.
  28
  29 const int kHalfSecondInMs = 500;  // Half a second.
  30
  31 }  // namespace
  32
  33 LogoutConfirmationDialog::LogoutConfirmationDialog(
  34     LogoutConfirmationController* controller,
  35     base::TimeTicks logout_time)
  36     : controller_(controller),
  37       logout_time_(logout_time) {
  38   SetLayoutManager(new views::FillLayout());
  39
  40   label_ = new views::Label;
  41   label_->SetBorder(views::Border::CreateEmptyBorder(
  42       0, kTrayPopupPaddingHorizontal, 0, kTrayPopupPaddingHorizontal));
  43   label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
  44   label_->SetMultiLine(true);
  45   AddChildView(label_);
  46
  47   UpdateLabel();
  48
  49   CreateDialogWidget(this, ash::Shell::GetPrimaryRootWindow(), NULL);
  50   GetWidget()->Show();
  51
  52   update_timer_.Start(
  53       FROM_HERE,
  54       base::TimeDelta::FromMilliseconds(kCountdownUpdateIntervalMs),
  55       this,
  56       &LogoutConfirmationDialog::UpdateLabel);
  57 }
  58
  59 LogoutConfirmationDialog::~LogoutConfirmationDialog() {
  60 }
  61
  62 void LogoutConfirmationDialog::Update(base::TimeTicks logout_time) {
  63   logout_time_ = logout_time;
  64   UpdateLabel();
  65 }
  66
  67 bool LogoutConfirmationDialog::Accept() {
  68   logout_time_ = controller_->clock()->NowTicks();
  69   UpdateLabel();
  70   controller_->OnLogoutConfirmed();
  71   return true;
  72 }
  73
  74 ui::ModalType LogoutConfirmationDialog::GetModalType() const {
  75   return ui::MODAL_TYPE_SYSTEM;
  76 }
  77
  78 base::string16 LogoutConfirmationDialog::GetWindowTitle() const {
  79   return l10n_util::GetStringUTF16(IDS_ASH_LOGOUT_CONFIRMATION_TITLE);
  80 }
  81
  82 base::string16 LogoutConfirmationDialog::GetDialogButtonLabel(
  83     ui::DialogButton button) const {
  84   if (button == ui::DIALOG_BUTTON_OK)
  85     return l10n_util::GetStringUTF16(IDS_ASH_LOGOUT_CONFIRMATION_BUTTON);
  86   return views::DialogDelegateView::GetDialogButtonLabel(button);
  87 }
  88
  89 void LogoutConfirmationDialog::OnClosed() {
  90   update_timer_.Stop();
  91   controller_->OnDialogClosed();
  92 }
  93
  94 void LogoutConfirmationDialog::DeleteDelegate() {
  95   delete this;
  96 }
  97
  98 void LogoutConfirmationDialog::UpdateLabel() {
  99   const base::TimeDelta time_remaining =
 100       logout_time_ - controller_->clock()->NowTicks();
 101   if (time_remaining >= base::TimeDelta::FromMilliseconds(kHalfSecondInMs)) {
 102     label_->SetText(l10n_util::GetStringFUTF16(
 103         IDS_ASH_LOGOUT_CONFIRMATION_WARNING,
 104         ui::TimeFormat::Detailed(ui::TimeFormat::FORMAT_DURATION,
 105                                  ui::TimeFormat::LENGTH_LONG,
 106                                  10,
 107                                  time_remaining)));
 108   } else {
 109     label_->SetText(l10n_util::GetStringUTF16(
 110         IDS_ASH_LOGOUT_CONFIRMATION_WARNING_NOW));
 111     update_timer_.Stop();
 112   }
 113 }
 114
 115 }  // namespace internal
 116 }  // namespace ash