src/chrome/browser/ui/views/critical_notification_bubble_view.cc

   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/ui/views/critical_notification_bubble_view.h"
   6
   7 #include "base/prefs/pref_service.h"
   8 #include "base/strings/string_number_conversions.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/browser/browser_process.h"
  11 #include "chrome/browser/lifetime/application_lifetime.h"
  12 #include "chrome/browser/upgrade_detector.h"
  13 #include "chrome/common/pref_names.h"
  14 #include "content/public/browser/user_metrics.h"
  15 #include "grit/chromium_strings.h"
  16 #include "grit/generated_resources.h"
  17 #include "grit/locale_settings.h"
  18 #include "grit/theme_resources.h"
  19 #include "ui/base/accelerators/accelerator.h"
  20 #include "ui/base/accessibility/accessible_view_state.h"
  21 #include "ui/base/l10n/l10n_util.h"
  22 #include "ui/base/resource/resource_bundle.h"
  23 #include "ui/views/controls/button/label_button.h"
  24 #include "ui/views/controls/image_view.h"
  25 #include "ui/views/controls/label.h"
  26 #include "ui/views/layout/grid_layout.h"
  27 #include "ui/views/layout/layout_constants.h"
  28 #include "ui/views/widget/widget.h"
  29
  30 using content::UserMetricsAction;
  31
  32 namespace {
  33
  34 // Layout constants.
  35 const int kInset = 2;
  36 const int kImageHeadlinePadding = 4;
  37 const int kHeadlineMessagePadding = 4;
  38 const int kMessageBubblePadding = 11;
  39
  40 // How long to give the user until auto-restart if no action is taken. The code
  41 // assumes this to be less than a minute.
  42 const int kCountdownDuration = 30;  // Seconds.
  43
  44 // How often to refresh the bubble UI to update the counter. As long as the
  45 // countdown is in seconds, this should be 1000 or lower.
  46 const int kRefreshBubbleEvery = 1000;  // Millisecond.
  47
  48 }  // namespace
  49
  50 ////////////////////////////////////////////////////////////////////////////////
  51 // CriticalNotificationBubbleView
  52
  53 CriticalNotificationBubbleView::CriticalNotificationBubbleView(
  54     views::View* anchor_view)
  55     : BubbleDelegateView(anchor_view, views::BubbleBorder::TOP_RIGHT),
  56       headline_(NULL),
  57       restart_button_(NULL),
  58       dismiss_button_(NULL) {
  59   set_close_on_deactivate(false);
  60   set_move_with_anchor(true);
  61 }
  62
  63 CriticalNotificationBubbleView::~CriticalNotificationBubbleView() {
  64 }
  65
  66 int CriticalNotificationBubbleView::GetRemainingTime() {
  67   base::TimeDelta time_lapsed = base::Time::Now() - bubble_created_;
  68   return kCountdownDuration - time_lapsed.InSeconds();
  69 }
  70
  71 void CriticalNotificationBubbleView::UpdateBubbleHeadline(int seconds) {
  72   if (seconds > 0) {
  73     headline_->SetText(
  74         l10n_util::GetStringFUTF16(IDS_CRITICAL_NOTIFICATION_HEADLINE,
  75             l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
  76             base::IntToString16(seconds)));
  77   } else {
  78     headline_->SetText(
  79         l10n_util::GetStringFUTF16(IDS_CRITICAL_NOTIFICATION_HEADLINE_ALTERNATE,
  80             l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
  81   }
  82 }
  83
  84 void CriticalNotificationBubbleView::OnCountdown() {
  85   UpgradeDetector* upgrade_detector = UpgradeDetector::GetInstance();
  86   if (upgrade_detector->critical_update_acknowledged()) {
  87     // The user has already interacted with the bubble and chosen a path.
  88     GetWidget()->Close();
  89     return;
  90   }
  91
  92   int seconds = GetRemainingTime();
  93   if (seconds <= 0) {
  94     // Time's up!
  95     upgrade_detector->acknowledge_critical_update();
  96
  97     content::RecordAction(
  98         UserMetricsAction("CriticalNotification_AutoRestart"));
  99     refresh_timer_.Stop();
 100     chrome::AttemptRestart();
 101   }
 102
 103   // Update the counter. It may seem counter-intuitive to update the message
 104   // after we attempt restart, but remember that shutdown may be aborted by
 105   // an onbeforeunload handler, leaving the bubble up when the browser should
 106   // have restarted (giving the user another chance).
 107   UpdateBubbleHeadline(seconds);
 108   SchedulePaint();
 109 }
 110
 111 void CriticalNotificationBubbleView::ButtonPressed(
 112     views::Button* sender, const ui::Event& event) {
 113   // Let other bubbles know we have an answer from the user.
 114   UpgradeDetector::GetInstance()->acknowledge_critical_update();
 115
 116   if (sender == restart_button_) {
 117     content::RecordAction(UserMetricsAction("CriticalNotification_Restart"));
 118     chrome::AttemptRestart();
 119   } else if (sender == dismiss_button_) {
 120     content::RecordAction(UserMetricsAction("CriticalNotification_Ignore"));
 121     // If the counter reaches 0, we set a restart flag that must be cleared if
 122     // the user selects, for example, "Stay on this page" during an
 123     // onbeforeunload handler.
 124     PrefService* prefs = g_browser_process->local_state();
 125     if (prefs->HasPrefPath(prefs::kRestartLastSessionOnShutdown))
 126       prefs->ClearPref(prefs::kRestartLastSessionOnShutdown);
 127   } else {
 128     NOTREACHED();
 129   }
 130
 131   GetWidget()->Close();
 132 }
 133
 134 void CriticalNotificationBubbleView::WindowClosing() {
 135   refresh_timer_.Stop();
 136 }
 137
 138 void CriticalNotificationBubbleView::GetAccessibleState(
 139     ui::AccessibleViewState* state) {
 140   state->role = ui::AccessibilityTypes::ROLE_ALERT;
 141 }
 142
 143 void CriticalNotificationBubbleView::ViewHierarchyChanged(
 144     const ViewHierarchyChangedDetails& details) {
 145   if (details.is_add && details.child == this)
 146     NotifyAccessibilityEvent(ui::AccessibilityTypes::EVENT_ALERT, true);
 147 }
 148
 149 bool CriticalNotificationBubbleView::AcceleratorPressed(
 150     const ui::Accelerator& accelerator) {
 151   if (accelerator.key_code() == ui::VKEY_ESCAPE)
 152     UpgradeDetector::GetInstance()->acknowledge_critical_update();
 153   return BubbleDelegateView::AcceleratorPressed(accelerator);
 154 }
 155
 156 void CriticalNotificationBubbleView::Init() {
 157   bubble_created_ = base::Time::Now();
 158
 159   ui::ResourceBundle& rb = ui::ResourceBundle::GetSharedInstance();
 160
 161   views::GridLayout* layout = views::GridLayout::CreatePanel(this);
 162   layout->SetInsets(0, kInset, kInset, kInset);
 163   SetLayoutManager(layout);
 164
 165   const int top_column_set_id = 0;
 166   views::ColumnSet* top_columns = layout->AddColumnSet(top_column_set_id);
 167   top_columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
 168                          0, views::GridLayout::USE_PREF, 0, 0);
 169   top_columns->AddPaddingColumn(0, kImageHeadlinePadding);
 170   top_columns->AddColumn(views::GridLayout::LEADING, views::GridLayout::CENTER,
 171                          0, views::GridLayout::USE_PREF, 0, 0);
 172   top_columns->AddPaddingColumn(1, 0);
 173   layout->StartRow(0, top_column_set_id);
 174
 175   views::ImageView* image = new views::ImageView();
 176   image->SetImage(rb.GetImageSkiaNamed(IDR_UPDATE_MENU_SEVERITY_HIGH));
 177   layout->AddView(image);
 178
 179   headline_ = new views::Label();
 180   headline_->SetFont(rb.GetFont(ui::ResourceBundle::MediumFont));
 181   UpdateBubbleHeadline(GetRemainingTime());
 182   layout->AddView(headline_);
 183
 184   const int middle_column_set_id = 1;
 185   views::ColumnSet* middle_column = layout->AddColumnSet(middle_column_set_id);
 186   middle_column->AddColumn(views::GridLayout::CENTER, views::GridLayout::CENTER,
 187                            0, views::GridLayout::USE_PREF, 0, 0);
 188   layout->StartRowWithPadding(0, middle_column_set_id,
 189                               0, kHeadlineMessagePadding);
 190
 191   views::Label* message = new views::Label();
 192   message->SetMultiLine(true);
 193   message->SetHorizontalAlignment(gfx::ALIGN_LEFT);
 194   message->SetText(l10n_util::GetStringFUTF16(IDS_CRITICAL_NOTIFICATION_TEXT,
 195       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME)));
 196   message->SizeToFit(views::Widget::GetLocalizedContentsWidth(
 197       IDS_CRUCIAL_NOTIFICATION_BUBBLE_WIDTH_CHARS));
 198   layout->AddView(message);
 199
 200   const int bottom_column_set_id = 2;
 201   views::ColumnSet* bottom_columns = layout->AddColumnSet(bottom_column_set_id);
 202   bottom_columns->AddPaddingColumn(1, 0);
 203   bottom_columns->AddColumn(views::GridLayout::CENTER,
 204       views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
 205   bottom_columns->AddPaddingColumn(0, views::kRelatedButtonHSpacing);
 206   bottom_columns->AddColumn(views::GridLayout::CENTER,
 207       views::GridLayout::CENTER, 0, views::GridLayout::USE_PREF, 0, 0);
 208   layout->StartRowWithPadding(0, bottom_column_set_id,
 209                               0, kMessageBubblePadding);
 210
 211   restart_button_ = new views::LabelButton(this,
 212       l10n_util::GetStringUTF16(IDS_CRITICAL_NOTIFICATION_RESTART));
 213   restart_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
 214   restart_button_->SetIsDefault(true);
 215   layout->AddView(restart_button_);
 216   dismiss_button_ = new views::LabelButton(this,
 217       l10n_util::GetStringUTF16(IDS_CRITICAL_NOTIFICATION_DISMISS));
 218   dismiss_button_->SetStyle(views::Button::STYLE_NATIVE_TEXTBUTTON);
 219   layout->AddView(dismiss_button_);
 220
 221   refresh_timer_.Start(FROM_HERE,
 222       base::TimeDelta::FromMilliseconds(kRefreshBubbleEvery),
 223       this, &CriticalNotificationBubbleView::OnCountdown);
 224
 225   content::RecordAction(UserMetricsAction("CriticalNotificationShown"));
 226 }