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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/ui/views/critical_notification_bubble_view.h"
#include "base/prefs/pref_service.h"
#include "base/strings/string_number_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/lifetime/application_lifetime.h"
#include "chrome/browser/upgrade_detector.h"
#include "chrome/common/pref_names.h"
#include "chrome/grit/chromium_strings.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/grit/locale_settings.h"
#include "content/public/browser/user_metrics.h"
#include "grit/theme_resources.h"
#include "ui/accessibility/ax_view_state.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/resource/resource_bundle.h"
#include "ui/views/controls/button/label_button.h"
#include "ui/views/controls/image_view.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"
using base::UserMetricsAction;
namespace {
// Layout constants.
const int kInset = 2;
const int kImageHeadlinePadding = 4;
const int kHeadlineMessagePadding = 4;
const int kMessageBubblePadding = 11;
// How long to give the user until auto-restart if no action is taken. The code
// assumes this to be less than a minute.
const int kCountdownDuration = 30; // Seconds.
// How often to refresh the bubble UI to update the counter. As long as the
// countdown is in seconds, this should be 1000 or lower.
const int kRefreshBubbleEvery = 1000; // Millisecond.
} // namespace
////////////////////////////////////////////////////////////////////////////////
// CriticalNotificationBubbleView
CriticalNotificationBubbleView::CriticalNotificationBubbleView(
views::View* anchor_view)
: BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_RIGHT),
headline_(NULL),
restart_button_(NULL),
dismiss_button_(NULL) {
set_close_on_deactivate(false);
}
CriticalNotificationBubbleView::~CriticalNotificationBubbleView() {
}
int CriticalNotificationBubbleView::GetRemainingTime() {
base::TimeDelta time_lapsed = base::Time::Now() - bubble_created_;
return kCountdownDuration - time_lapsed.InSeconds();
}
void CriticalNotificationBubbleView::UpdateBubbleHeadline(int seconds) {
if (seconds > 0) {
headline_->SetText(
l10n_util::GetStringFUTF16(IDS_CRITICAL_NOTIFICATION_HEADLINE,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
base::IntToString16(seconds)));
} else {
headline_->SetText(
l10n_util::GetStringFUTF16(IDS_CRITICAL_NOTIFICATION_HEADLINE_ALTERNATE,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
}
}
void CriticalNotificationBubbleView::OnCountdown() {
UpgradeDetector* upgrade_detector = UpgradeDetector::GetInstance();
if (upgrade_detector->critical_update_acknowledged()) {
// The user has already interacted with the bubble and chosen a path.
GetWidget()->Close();
return;
}
int seconds = GetRemainingTime();
if (seconds <= 0) {
// Time's up!
upgrade_detector->acknowledge_critical_update();
content::RecordAction(
UserMetricsAction("CriticalNotification_AutoRestart"));
refresh_timer_.Stop();
chrome::AttemptRestart();
}
// Update the counter. It may seem counter-intuitive to update the message
// after we attempt restart, but remember that shutdown may be aborted by
// an onbeforeunload handler, leaving the bubble up when the browser should
// have restarted (giving the user another chance).
UpdateBubbleHeadline(seconds);
SchedulePaint();
}
void CriticalNotificationBubbleView::ButtonPressed(
views::Button* sender, const ui::Event& event) {
// Let other bubbles know we have an answer from the user.
UpgradeDetector::GetInstance()->acknowledge_critical_update();
if (sender == restart_button_) {
content::RecordAction(UserMetricsAction("CriticalNotification_Restart"));
chrome::AttemptRestart();
} else if (sender == dismiss_button_) {
content::RecordAction(UserMetricsAction("CriticalNotification_Ignore"));
// If the counter reaches 0, we set a restart flag that must be cleared if
// the user selects, for example, "Stay on this page" during an
// onbeforeunload handler.
PrefService* prefs = g_browser_process->local_state();
if (prefs->HasPrefPath(prefs::kRestartLastSessionOnShutdown))
prefs->ClearPref(prefs::kRestartLastSessionOnShutdown);
} else {
NOTREACHED();
}
GetWidget()->Close();
}
void CriticalNotificationBubbleView::WindowClosing() {
refresh_timer_.Stop();
}
void CriticalNotificationBubbleView::GetAccessibleState(
ui::AXViewState* state) {
state->role = ui::AX_ROLE_ALERT;
}
void CriticalNotificationBubbleView::ViewHierarchyChanged(
const ViewHierarchyChangedDetails& details) {
if (details.is_add && details.child == this)
NotifyAccessibilityEvent(ui::AX_EVENT_ALERT, true);
}
bool CriticalNotificationBubbleView::AcceleratorPressed(
const ui::Accelerator& accelerator) {
if (accelerator.key_code() == ui::VKEY_ESCAPE)
UpgradeDetector::GetInstance()->acknowledge_critical_update();
return BubbleDelegateView::AcceleratorPressed(accelerator);
}
void CriticalNotificationBubbleView::Init() {
bubble_created_ = base::Time::Now();
ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
views::GridLayout* layout = views::GridLayout::CreatePanel(this);
layout->SetInsets(0, kInset, kInset, kInset);
SetLayoutManager(layout);
const int top_column_set_id = 0;
views::ColumnSet* top_columns = layout->AddColumnSet(top_column_set_id);
top_columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
0, views::GridLayout::USE_PREF, 0, 0);
top_columns->AddPaddingColumn(0, kImageHeadlinePadding);
top_columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
0, views::GridLayout::USE_PREF, 0, 0);
top_columns->AddPaddingColumn(1, 0);
layout->StartRow(0, top_column_set_id);
views::ImageView* image = new views::ImageView();
image->SetImage(rb.GetImageSkiaNamed(IDR_UPDATE_MENU_SEVERITY_HIGH));
layout->AddView(image);
headline_ = new views::Label();
headline_->SetFontList(rb.GetFontList(ui::ResourceBundle::MediumFont));
UpdateBubbleHeadline(GetRemainingTime());
layout->AddView(headline_);
const int middle_column_set_id = 1;
views::ColumnSet* middle_column = layout->AddColumnSet(middle_column_set_id);
middle_column->AddColumn(views::GridLayout::CENTER, views::GridLayout::CENTER,
0, views::GridLayout::USE_PREF, 0, 0);
layout->StartRowWithPadding(0, middle_column_set_id,
0, kHeadlineMessagePadding);
views::Label* message = new views::Label();
message->SetMultiLine(true);
message->SetHorizontalAlignment(gfx::ALIGN_LEFT);
message->SetText(l10n_util::GetStringFUTF16(IDS_CRITICAL_NOTIFICATION_TEXT,
l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
message->SizeToFit(views::Widget::GetLocalizedContentsWidth(
IDS_CRUCIAL_NOTIFICATION_BUBBLE_WIDTH_CHARS));
layout->AddView(message);
const int bottom_column_set_id = 2;
views::ColumnSet* bottom_columns = layout->AddColumnSet(bottom_column_set_id);
bottom_columns->AddPaddingColumn(1, 0);
bottom_columns->AddColumn(views::GridLayout::CENTER,
views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
bottom_columns->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
bottom_columns->AddColumn(views::GridLayout::CENTER,
views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
layout->StartRowWithPadding(0, bottom_column_set_id,
0, kMessageBubblePadding);
restart_button_ = new views::LabelButton(this,
l10n_util::GetStringUTF16(IDS_CRITICAL_NOTIFICATION_RESTART));
restart_button_->SetStyle(views::Button::STYLE_BUTTON);
restart_button_->SetIsDefault(true);
layout->AddView(restart_button_);
dismiss_button_ = new views::LabelButton(this,
l10n_util::GetStringUTF16(IDS_CRITICAL_NOTIFICATION_DISMISS));
dismiss_button_->SetStyle(views::Button::STYLE_BUTTON);
layout->AddView(dismiss_button_);
refresh_timer_.Start(FROM_HERE,
base::TimeDelta::FromMilliseconds(kRefreshBubbleEvery),
this, &CriticalNotificationBubbleView::OnCountdown);
content::RecordAction(UserMetricsAction("CriticalNotificationShown"));
}
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