idle_logout_dialog_view.cc revision 868fa2fe829687343ffae624259930155e16dbd8
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.h" 13#include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h" 14#include "chrome/browser/ui/browser_list.h" 15#include "chromeos/dbus/dbus_thread_manager.h" 16#include "chromeos/dbus/session_manager_client.h" 17#include "grit/browser_resources.h" 18#include "grit/generated_resources.h" 19#include "ui/aura/root_window.h" 20#include "ui/base/l10n/l10n_util.h" 21#include "ui/base/resource/resource_bundle.h" 22#include "ui/views/controls/label.h" 23#include "ui/views/layout/grid_layout.h" 24#include "ui/views/layout/layout_constants.h" 25#include "ui/views/widget/widget.h" 26 27namespace { 28 29// Global singleton instance of our dialog class. 30chromeos::IdleLogoutDialogView* g_instance = NULL; 31 32const int kIdleLogoutDialogMaxWidth = 300; 33const int kCountdownUpdateIntervalMs = 1000; 34 35} // namespace 36 37namespace chromeos { 38 39IdleLogoutSettingsProvider* IdleLogoutDialogView::provider_ = NULL; 40 41//////////////////////////////////////////////////////////////////////////////// 42// IdleLogoutSettingsProvider public methods 43IdleLogoutSettingsProvider::IdleLogoutSettingsProvider() { 44} 45 46IdleLogoutSettingsProvider::~IdleLogoutSettingsProvider() { 47} 48 49base::TimeDelta IdleLogoutSettingsProvider::GetCountdownUpdateInterval() { 50 return base::TimeDelta::FromMilliseconds(kCountdownUpdateIntervalMs); 51} 52 53KioskModeSettings* IdleLogoutSettingsProvider::GetKioskModeSettings() { 54 return KioskModeSettings::Get(); 55} 56 57void IdleLogoutSettingsProvider::LogoutCurrentUser(IdleLogoutDialogView*) { 58 DBusThreadManager::Get()->GetSessionManagerClient()->StopSession(); 59} 60 61//////////////////////////////////////////////////////////////////////////////// 62// IdleLogoutDialogView public static methods 63// static 64void IdleLogoutDialogView::ShowDialog() { 65 // We only show the dialog if it is not already showing. We don't want two 66 // countdowns on the screen for any reason. If the dialog is closed by using 67 // CloseDialog, we reset g_instance so the next Show will work correctly; in 68 // case the dialog is closed by the system, DeleteDelegate is guaranteed to be 69 // called, in which case we reset g_instance there if not already reset. 70 if (!g_instance) { 71 g_instance = new IdleLogoutDialogView(); 72 g_instance->InitAndShow(); 73 } 74} 75 76// static 77void IdleLogoutDialogView::CloseDialog() { 78 if (g_instance) 79 g_instance->Close(); 80} 81 82//////////////////////////////////////////////////////////////////////////////// 83// Overridden from views::DialogDelegateView 84int IdleLogoutDialogView::GetDialogButtons() const { 85 return ui::DIALOG_BUTTON_NONE; 86} 87 88ui::ModalType IdleLogoutDialogView::GetModalType() const { 89 return ui::MODAL_TYPE_WINDOW; 90} 91 92string16 IdleLogoutDialogView::GetWindowTitle() const { 93 return l10n_util::GetStringUTF16(IDS_IDLE_LOGOUT_TITLE); 94} 95 96//////////////////////////////////////////////////////////////////////////////// 97// IdleLogoutDialog private methods 98IdleLogoutDialogView::IdleLogoutDialogView() 99 : restart_label_(NULL), 100 weak_ptr_factory_(this) { 101 if (!IdleLogoutDialogView::provider_) 102 IdleLogoutDialogView::provider_ = new IdleLogoutSettingsProvider(); 103} 104 105IdleLogoutDialogView::~IdleLogoutDialogView() { 106 if (this == g_instance) 107 g_instance = NULL; 108} 109 110void IdleLogoutDialogView::InitAndShow() { 111 KioskModeSettings* settings = 112 IdleLogoutDialogView::provider_->GetKioskModeSettings(); 113 if (!settings->is_initialized()) { 114 settings->Initialize(base::Bind(&IdleLogoutDialogView::InitAndShow, 115 weak_ptr_factory_.GetWeakPtr())); 116 return; 117 } 118 119 ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance(); 120 121 restart_label_ = new views::Label(); 122 restart_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT); 123 restart_label_->SetMultiLine(true); 124 restart_label_->SetFont(rb.GetFont(ui::ResourceBundle::BaseFont)); 125 126 views::GridLayout* layout = views::GridLayout::CreatePanel(this); 127 SetLayoutManager(layout); 128 129 views::ColumnSet* column_set = layout->AddColumnSet(0); 130 column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::CENTER, 1, 131 views::GridLayout::FIXED, kIdleLogoutDialogMaxWidth, 0); 132 layout->StartRow(0, 0); 133 layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing); 134 layout->StartRow(0, 0); 135 layout->AddView(restart_label_); 136 layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing); 137 138 // We're initialized, show the dialog. 139 Show(); 140} 141 142void IdleLogoutDialogView::Show() { 143 KioskModeSettings* settings = 144 IdleLogoutDialogView::provider_->GetKioskModeSettings(); 145 146 // Setup the countdown label before showing. 147 countdown_end_time_ = base::Time::Now() + 148 settings->GetIdleLogoutWarningDuration(); 149 150 UpdateCountdown(); 151 152 views::DialogDelegate::CreateDialogWidget( 153 this, ash::Shell::GetPrimaryRootWindow(), NULL); 154 GetWidget()->SetAlwaysOnTop(true); 155 GetWidget()->Show(); 156 157 // Update countdown every 1 second. 158 timer_.Start(FROM_HERE, 159 IdleLogoutDialogView::provider_->GetCountdownUpdateInterval(), 160 this, 161 &IdleLogoutDialogView::UpdateCountdown); 162} 163 164void IdleLogoutDialogView::Close() { 165 DCHECK(GetWidget()); 166 167 if (timer_.IsRunning()) 168 timer_.Stop(); 169 GetWidget()->Close(); 170 171 // We just closed our dialog. The global 172 // instance is invalid now, set it to null. 173 g_instance = NULL; 174} 175 176void IdleLogoutDialogView::UpdateCountdown() { 177 base::TimeDelta logout_warning_time = countdown_end_time_ - 178 base::Time::Now(); 179 int64 seconds_left = (logout_warning_time.InMillisecondsF() / 180 base::Time::kMillisecondsPerSecond) + 0.5; 181 182 if (seconds_left > 1) { 183 restart_label_->SetText(l10n_util::GetStringFUTF16( 184 IDS_IDLE_LOGOUT_WARNING_RESTART, 185 base::Int64ToString16(seconds_left))); 186 } else if (seconds_left > 0) { 187 restart_label_->SetText(l10n_util::GetStringUTF16( 188 IDS_IDLE_LOGOUT_WARNING_RESTART_1S)); 189 } else { 190 // Set the label - the logout probably won't be instant. 191 restart_label_->SetText(l10n_util::GetStringUTF16( 192 IDS_IDLE_LOGOUT_WARNING_RESTART_NOW)); 193 194 // We're done; stop the timer and logout. 195 timer_.Stop(); 196 IdleLogoutDialogView::provider_->LogoutCurrentUser(this); 197 } 198} 199 200// static 201IdleLogoutDialogView* IdleLogoutDialogView::current_instance() { 202 return g_instance; 203} 204 205// static 206void IdleLogoutDialogView::set_settings_provider( 207 IdleLogoutSettingsProvider* provider) { 208 provider_ = provider; 209} 210 211} // namespace chromeos 212