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| 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. | |
| 4 | |
| 5 #include "chrome/browser/chromeos/ui/idle_logout_dialog_view.h" | |
| 6 | |
| 7 #include "ash/shell.h" | |
| 8 #include "base/bind.h" | |
| 9 #include "base/bind_helpers.h" | |
| 10 #include "base/strings/string_number_conversions.h" | |
| 11 #include "base/strings/utf_string_conversions.h" | |
| 12 #include "base/time/time.h" | |
| 13 #include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h" | |
| 14 #include "chrome/browser/ui/browser_list.h" | |
| 15 #include "chrome/grit/generated_resources.h" | |
| 16 #include "chromeos/dbus/dbus_thread_manager.h" | |
| 17 #include "chromeos/dbus/session_manager_client.h" | |
| 18 #include "ui/aura/window_event_dispatcher.h" | |
| 19 #include "ui/base/l10n/l10n_util.h" | |
| 20 #include "ui/views/controls/label.h" | |
| 21 #include "ui/views/layout/grid_layout.h" | |
| 22 #include "ui/views/layout/layout_constants.h" | |
| 23 #include "ui/views/widget/widget.h" | |
| 24 | |
| 25 namespace { | |
| 26 | |
| 27 // Global singleton instance of our dialog class. | |
| 28 chromeos::IdleLogoutDialogView* g_instance = NULL; | |
| 29 | |
| 30 const int kIdleLogoutDialogMaxWidth = 300; | |
| 31 const int kCountdownUpdateIntervalMs = 1000; | |
| 32 | |
| 33 } // namespace | |
| 34 | |
| 35 namespace chromeos { | |
| 36 | |
| 37 IdleLogoutSettingsProvider* IdleLogoutDialogView::provider_ = NULL; | |
| 38 | |
| 39 //////////////////////////////////////////////////////////////////////////////// | |
| 40 // IdleLogoutSettingsProvider public methods | |
| 41 IdleLogoutSettingsProvider::IdleLogoutSettingsProvider() { | |
| 42 } | |
| 43 | |
| 44 IdleLogoutSettingsProvider::~IdleLogoutSettingsProvider() { | |
| 45 } | |
| 46 | |
| 47 base::TimeDelta IdleLogoutSettingsProvider::GetCountdownUpdateInterval() { | |
| 48 return base::TimeDelta::FromMilliseconds(kCountdownUpdateIntervalMs); | |
| 49 } | |
| 50 | |
| 51 KioskModeSettings* IdleLogoutSettingsProvider::GetKioskModeSettings() { | |
| 52 return KioskModeSettings::Get(); | |
| 53 } | |
| 54 | |
| 55 void IdleLogoutSettingsProvider::LogoutCurrentUser(IdleLogoutDialogView*) { | |
| 56 DBusThreadManager::Get()->GetSessionManagerClient()->StopSession(); | |
| 57 } | |
| 58 | |
| 59 //////////////////////////////////////////////////////////////////////////////// | |
| 60 // IdleLogoutDialogView public static methods | |
| 61 // static | |
| 62 void IdleLogoutDialogView::ShowDialog() { | |
| 63 // We only show the dialog if it is not already showing. We don't want two | |
| 64 // countdowns on the screen for any reason. If the dialog is closed by using | |
| 65 // CloseDialog, we reset g_instance so the next Show will work correctly; in | |
| 66 // case the dialog is closed by the system, DeleteDelegate is guaranteed to be | |
| 67 // called, in which case we reset g_instance there if not already reset. | |
| 68 if (!g_instance) { | |
| 69 g_instance = new IdleLogoutDialogView(); | |
| 70 g_instance->InitAndShow(); | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 // static | |
| 75 void IdleLogoutDialogView::CloseDialog() { | |
| 76 if (g_instance) | |
| 77 g_instance->GetWidget()->Close(); | |
| 78 } | |
| 79 | |
| 80 //////////////////////////////////////////////////////////////////////////////// | |
| 81 // Overridden from views::DialogDelegateView | |
| 82 int IdleLogoutDialogView::GetDialogButtons() const { | |
| 83 return ui::DIALOG_BUTTON_NONE; | |
| 84 } | |
| 85 | |
| 86 ui::ModalType IdleLogoutDialogView::GetModalType() const { | |
| 87 return ui::MODAL_TYPE_WINDOW; | |
| 88 } | |
| 89 | |
| 90 base::string16 IdleLogoutDialogView::GetWindowTitle() const { | |
| 91 return l10n_util::GetStringUTF16(IDS_IDLE_LOGOUT_TITLE); | |
| 92 } | |
| 93 | |
| 94 bool IdleLogoutDialogView::Close() { | |
| 95 if (timer_.IsRunning()) | |
| 96 timer_.Stop(); | |
| 97 | |
| 98 // We just closed our dialog. The global | |
| 99 // instance is invalid now, set it to null. | |
| 100 g_instance = NULL; | |
| 101 | |
| 102 return true; | |
| 103 } | |
| 104 | |
| 105 //////////////////////////////////////////////////////////////////////////////// | |
| 106 // IdleLogoutDialog private methods | |
| 107 IdleLogoutDialogView::IdleLogoutDialogView() | |
| 108 : restart_label_(NULL), | |
| 109 weak_ptr_factory_(this) { | |
| 110 if (!IdleLogoutDialogView::provider_) | |
| 111 IdleLogoutDialogView::provider_ = new IdleLogoutSettingsProvider(); | |
| 112 } | |
| 113 | |
| 114 IdleLogoutDialogView::~IdleLogoutDialogView() { | |
| 115 if (this == g_instance) | |
| 116 g_instance = NULL; | |
| 117 } | |
| 118 | |
| 119 void IdleLogoutDialogView::InitAndShow() { | |
| 120 KioskModeSettings* settings = | |
| 121 IdleLogoutDialogView::provider_->GetKioskModeSettings(); | |
| 122 if (!settings->is_initialized()) { | |
| 123 settings->Initialize(base::Bind(&IdleLogoutDialogView::InitAndShow, | |
| 124 weak_ptr_factory_.GetWeakPtr())); | |
| 125 return; | |
| 126 } | |
| 127 | |
| 128 restart_label_ = new views::Label(); | |
| 129 restart_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT); | |
| 130 restart_label_->SetMultiLine(true); | |
| 131 | |
| 132 views::GridLayout* layout = views::GridLayout::CreatePanel(this); | |
| 133 SetLayoutManager(layout); | |
| 134 | |
| 135 views::ColumnSet* column_set = layout->AddColumnSet(0); | |
| 136 column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::CENTER, 1, | |
| 137 views::GridLayout::FIXED, kIdleLogoutDialogMaxWidth, 0); | |
| 138 layout->StartRow(0, 0); | |
| 139 layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing); | |
| 140 layout->StartRow(0, 0); | |
| 141 layout->AddView(restart_label_); | |
| 142 layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing); | |
| 143 | |
| 144 // We're initialized, show the dialog. | |
| 145 Show(); | |
| 146 } | |
| 147 | |
| 148 void IdleLogoutDialogView::Show() { | |
| 149 KioskModeSettings* settings = | |
| 150 IdleLogoutDialogView::provider_->GetKioskModeSettings(); | |
| 151 | |
| 152 // Setup the countdown label before showing. | |
| 153 countdown_end_time_ = base::Time::Now() + | |
| 154 settings->GetIdleLogoutWarningDuration(); | |
| 155 | |
| 156 UpdateCountdown(); | |
| 157 | |
| 158 views::DialogDelegate::CreateDialogWidget( | |
| 159 this, ash::Shell::GetPrimaryRootWindow(), NULL); | |
| 160 GetWidget()->SetAlwaysOnTop(true); | |
| 161 GetWidget()->Show(); | |
| 162 | |
| 163 // Update countdown every 1 second. | |
| 164 timer_.Start(FROM_HERE, | |
| 165 IdleLogoutDialogView::provider_->GetCountdownUpdateInterval(), | |
| 166 this, | |
| 167 &IdleLogoutDialogView::UpdateCountdown); | |
| 168 } | |
| 169 | |
| 170 void IdleLogoutDialogView::UpdateCountdown() { | |
| 171 base::TimeDelta logout_warning_time = countdown_end_time_ - | |
| 172 base::Time::Now(); | |
| 173 int64 seconds_left = (logout_warning_time.InMillisecondsF() / | |
| 174 base::Time::kMillisecondsPerSecond) + 0.5; | |
| 175 | |
| 176 if (seconds_left > 1) { | |
| 177 restart_label_->SetText(l10n_util::GetStringFUTF16( | |
| 178 IDS_IDLE_LOGOUT_WARNING_RESTART, | |
| 179 base::Int64ToString16(seconds_left))); | |
| 180 } else if (seconds_left > 0) { | |
| 181 restart_label_->SetText(l10n_util::GetStringUTF16( | |
| 182 IDS_IDLE_LOGOUT_WARNING_RESTART_1S)); | |
| 183 } else { | |
| 184 // Set the label - the logout probably won't be instant. | |
| 185 restart_label_->SetText(l10n_util::GetStringUTF16( | |
| 186 IDS_IDLE_LOGOUT_WARNING_RESTART_NOW)); | |
| 187 | |
| 188 // We're done; stop the timer and logout. | |
| 189 timer_.Stop(); | |
| 190 IdleLogoutDialogView::provider_->LogoutCurrentUser(this); | |
| 191 } | |
| 192 } | |
| 193 | |
| 194 // static | |
| 195 IdleLogoutDialogView* IdleLogoutDialogView::current_instance() { | |
| 196 return g_instance; | |
| 197 } | |
| 198 | |
| 199 // static | |
| 200 void IdleLogoutDialogView::set_settings_provider( | |
| 201 IdleLogoutSettingsProvider* provider) { | |
| 202 provider_ = provider; | |
| 203 } | |
| 204 | |
| 205 } // namespace chromeos | |
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