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// Copyright (c) 2012 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 "chrome/browser/chromeos/ui/idle_logout_dialog_view.h"
#include "ash/shell.h"
#include "base/bind.h"
#include "base/bind_helpers.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "chrome/browser/chromeos/kiosk_mode/kiosk_mode_settings.h"
#include "chrome/browser/ui/browser_list.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/session_manager_client.h"
#include "grit/generated_resources.h"
#include "ui/aura/window_event_dispatcher.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/views/controls/label.h"
#include "ui/views/layout/grid_layout.h"
#include "ui/views/layout/layout_constants.h"
#include "ui/views/widget/widget.h"
namespace {
// Global singleton instance of our dialog class.
chromeos::IdleLogoutDialogView* g_instance = NULL;
const int kIdleLogoutDialogMaxWidth = 300;
const int kCountdownUpdateIntervalMs = 1000;
} // namespace
namespace chromeos {
IdleLogoutSettingsProvider* IdleLogoutDialogView::provider_ = NULL;
////////////////////////////////////////////////////////////////////////////////
// IdleLogoutSettingsProvider public methods
IdleLogoutSettingsProvider::IdleLogoutSettingsProvider() {
}
IdleLogoutSettingsProvider::~IdleLogoutSettingsProvider() {
}
base::TimeDelta IdleLogoutSettingsProvider::GetCountdownUpdateInterval() {
return base::TimeDelta::FromMilliseconds(kCountdownUpdateIntervalMs);
}
KioskModeSettings* IdleLogoutSettingsProvider::GetKioskModeSettings() {
return KioskModeSettings::Get();
}
void IdleLogoutSettingsProvider::LogoutCurrentUser(IdleLogoutDialogView*) {
DBusThreadManager::Get()->GetSessionManagerClient()->StopSession();
}
////////////////////////////////////////////////////////////////////////////////
// IdleLogoutDialogView public static methods
// static
void IdleLogoutDialogView::ShowDialog() {
// We only show the dialog if it is not already showing. We don't want two
// countdowns on the screen for any reason. If the dialog is closed by using
// CloseDialog, we reset g_instance so the next Show will work correctly; in
// case the dialog is closed by the system, DeleteDelegate is guaranteed to be
// called, in which case we reset g_instance there if not already reset.
if (!g_instance) {
g_instance = new IdleLogoutDialogView();
g_instance->InitAndShow();
}
}
// static
void IdleLogoutDialogView::CloseDialog() {
if (g_instance)
g_instance->GetWidget()->Close();
}
////////////////////////////////////////////////////////////////////////////////
// Overridden from views::DialogDelegateView
int IdleLogoutDialogView::GetDialogButtons() const {
return ui::DIALOG_BUTTON_NONE;
}
ui::ModalType IdleLogoutDialogView::GetModalType() const {
return ui::MODAL_TYPE_WINDOW;
}
base::string16 IdleLogoutDialogView::GetWindowTitle() const {
return l10n_util::GetStringUTF16(IDS_IDLE_LOGOUT_TITLE);
}
bool IdleLogoutDialogView::Close() {
if (timer_.IsRunning())
timer_.Stop();
// We just closed our dialog. The global
// instance is invalid now, set it to null.
g_instance = NULL;
return true;
}
////////////////////////////////////////////////////////////////////////////////
// IdleLogoutDialog private methods
IdleLogoutDialogView::IdleLogoutDialogView()
: restart_label_(NULL),
weak_ptr_factory_(this) {
if (!IdleLogoutDialogView::provider_)
IdleLogoutDialogView::provider_ = new IdleLogoutSettingsProvider();
}
IdleLogoutDialogView::~IdleLogoutDialogView() {
if (this == g_instance)
g_instance = NULL;
}
void IdleLogoutDialogView::InitAndShow() {
KioskModeSettings* settings =
IdleLogoutDialogView::provider_->GetKioskModeSettings();
if (!settings->is_initialized()) {
settings->Initialize(base::Bind(&IdleLogoutDialogView::InitAndShow,
weak_ptr_factory_.GetWeakPtr()));
return;
}
restart_label_ = new views::Label();
restart_label_->SetHorizontalAlignment(gfx::ALIGN_LEFT);
restart_label_->SetMultiLine(true);
views::GridLayout* layout = views::GridLayout::CreatePanel(this);
SetLayoutManager(layout);
views::ColumnSet* column_set = layout->AddColumnSet(0);
column_set->AddColumn(views::GridLayout::FILL, views::GridLayout::CENTER, 1,
views::GridLayout::FIXED, kIdleLogoutDialogMaxWidth, 0);
layout->StartRow(0, 0);
layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing);
layout->StartRow(0, 0);
layout->AddView(restart_label_);
layout->AddPaddingRow(0, views::kRelatedControlHorizontalSpacing);
// We're initialized, show the dialog.
Show();
}
void IdleLogoutDialogView::Show() {
KioskModeSettings* settings =
IdleLogoutDialogView::provider_->GetKioskModeSettings();
// Setup the countdown label before showing.
countdown_end_time_ = base::Time::Now() +
settings->GetIdleLogoutWarningDuration();
UpdateCountdown();
views::DialogDelegate::CreateDialogWidget(
this, ash::Shell::GetPrimaryRootWindow(), NULL);
GetWidget()->SetAlwaysOnTop(true);
GetWidget()->Show();
// Update countdown every 1 second.
timer_.Start(FROM_HERE,
IdleLogoutDialogView::provider_->GetCountdownUpdateInterval(),
this,
&IdleLogoutDialogView::UpdateCountdown);
}
void IdleLogoutDialogView::UpdateCountdown() {
base::TimeDelta logout_warning_time = countdown_end_time_ -
base::Time::Now();
int64 seconds_left = (logout_warning_time.InMillisecondsF() /
base::Time::kMillisecondsPerSecond) + 0.5;
if (seconds_left > 1) {
restart_label_->SetText(l10n_util::GetStringFUTF16(
IDS_IDLE_LOGOUT_WARNING_RESTART,
base::Int64ToString16(seconds_left)));
} else if (seconds_left > 0) {
restart_label_->SetText(l10n_util::GetStringUTF16(
IDS_IDLE_LOGOUT_WARNING_RESTART_1S));
} else {
// Set the label - the logout probably won't be instant.
restart_label_->SetText(l10n_util::GetStringUTF16(
IDS_IDLE_LOGOUT_WARNING_RESTART_NOW));
// We're done; stop the timer and logout.
timer_.Stop();
IdleLogoutDialogView::provider_->LogoutCurrentUser(this);
}
}
// static
IdleLogoutDialogView* IdleLogoutDialogView::current_instance() {
return g_instance;
}
// static
void IdleLogoutDialogView::set_settings_provider(
IdleLogoutSettingsProvider* provider) {
provider_ = provider;
}
} // namespace chromeos
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