src/ash/system/web_notification/web_notification_tray.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 "ash/system/web_notification/web_notification_tray.h"
   6
   7 #include "ash/ash_switches.h"
   8 #include "ash/root_window_controller.h"
   9 #include "ash/shelf/shelf_layout_manager.h"
  10 #include "ash/shelf/shelf_layout_manager_observer.h"
  11 #include "ash/shelf/shelf_widget.h"
  12 #include "ash/shell.h"
  13 #include "ash/shell_window_ids.h"
  14 #include "ash/system/status_area_widget.h"
  15 #include "ash/system/tray/system_tray.h"
  16 #include "ash/system/tray/tray_background_view.h"
  17 #include "ash/system/tray/tray_bubble_wrapper.h"
  18 #include "ash/system/tray/tray_constants.h"
  19 #include "ash/system/tray/tray_utils.h"
  20 #include "ash/system/web_notification/ash_popup_alignment_delegate.h"
  21 #include "base/auto_reset.h"
  22 #include "base/i18n/number_formatting.h"
  23 #include "base/i18n/rtl.h"
  24 #include "base/strings/utf_string_conversions.h"
  25 #include "grit/ash_strings.h"
  26 #include "ui/aura/window.h"
  27 #include "ui/aura/window_event_dispatcher.h"
  28 #include "ui/base/l10n/l10n_util.h"
  29 #include "ui/gfx/screen.h"
  30 #include "ui/message_center/message_center_style.h"
  31 #include "ui/message_center/message_center_tray_delegate.h"
  32 #include "ui/message_center/views/message_bubble_base.h"
  33 #include "ui/message_center/views/message_center_bubble.h"
  34 #include "ui/message_center/views/message_popup_collection.h"
  35 #include "ui/strings/grit/ui_strings.h"
  36 #include "ui/views/bubble/tray_bubble_view.h"
  37 #include "ui/views/controls/button/custom_button.h"
  38 #include "ui/views/controls/image_view.h"
  39 #include "ui/views/controls/label.h"
  40 #include "ui/views/controls/menu/menu_runner.h"
  41 #include "ui/views/layout/fill_layout.h"
  42
  43 #if defined(OS_CHROMEOS)
  44
  45 namespace message_center {
  46
  47 MessageCenterTrayDelegate* CreateMessageCenterTray() {
  48   // On Windows+Ash the Tray will not be hosted in ash::Shell.
  49   NOTREACHED();
  50   return NULL;
  51 }
  52
  53 }  // namespace message_center
  54
  55 #endif  // defined(OS_CHROMEOS)
  56
  57 namespace ash {
  58 namespace {
  59
  60 // Menu commands
  61 const int kToggleQuietMode = 0;
  62 const int kEnableQuietModeDay = 2;
  63
  64 }
  65
  66 namespace {
  67
  68 const SkColor kWebNotificationColorNoUnread =
  69     SkColorSetARGB(128, 255, 255, 255);
  70 const SkColor kWebNotificationColorWithUnread = SK_ColorWHITE;
  71
  72 }
  73
  74 // Class to initialize and manage the WebNotificationBubble and
  75 // TrayBubbleWrapper instances for a bubble.
  76 class WebNotificationBubbleWrapper {
  77  public:
  78   // Takes ownership of |bubble| and creates |bubble_wrapper_|.
  79   WebNotificationBubbleWrapper(WebNotificationTray* tray,
  80                                message_center::MessageBubbleBase* bubble) {
  81     bubble_.reset(bubble);
  82     views::TrayBubbleView::AnchorAlignment anchor_alignment =
  83         tray->GetAnchorAlignment();
  84     views::TrayBubbleView::InitParams init_params =
  85         bubble->GetInitParams(anchor_alignment);
  86     views::View* anchor = tray->tray_container();
  87     if (anchor_alignment == views::TrayBubbleView::ANCHOR_ALIGNMENT_BOTTOM) {
  88       gfx::Point bounds(anchor->width() / 2, 0);
  89       views::View::ConvertPointToWidget(anchor, &bounds);
  90       init_params.arrow_offset = bounds.x();
  91     }
  92     views::TrayBubbleView* bubble_view = views::TrayBubbleView::Create(
  93         tray->GetBubbleWindowContainer(), anchor, tray, &init_params);
  94     bubble_wrapper_.reset(new TrayBubbleWrapper(tray, bubble_view));
  95     bubble_view->SetArrowPaintType(views::BubbleBorder::PAINT_NONE);
  96     bubble->InitializeContents(bubble_view);
  97   }
  98
  99   message_center::MessageBubbleBase* bubble() const { return bubble_.get(); }
 100
 101   // Convenience accessors.
 102   views::TrayBubbleView* bubble_view() const { return bubble_->bubble_view(); }
 103
 104  private:
 105   scoped_ptr<message_center::MessageBubbleBase> bubble_;
 106   scoped_ptr<TrayBubbleWrapper> bubble_wrapper_;
 107
 108   DISALLOW_COPY_AND_ASSIGN(WebNotificationBubbleWrapper);
 109 };
 110
 111 class WebNotificationButton : public views::CustomButton {
 112  public:
 113   WebNotificationButton(views::ButtonListener* listener)
 114       : views::CustomButton(listener),
 115         is_bubble_visible_(false),
 116         unread_count_(0) {
 117     SetLayoutManager(new views::FillLayout);
 118     unread_label_ = new views::Label();
 119     SetupLabelForTray(unread_label_);
 120     AddChildView(unread_label_);
 121   }
 122
 123   void SetBubbleVisible(bool visible) {
 124     if (visible == is_bubble_visible_)
 125       return;
 126
 127     is_bubble_visible_ = visible;
 128     UpdateIconVisibility();
 129   }
 130
 131   void SetUnreadCount(int unread_count) {
 132     // base::FormatNumber doesn't convert to arabic numeric characters.
 133     // TODO(mukai): use ICU to support conversion for such locales.
 134     unread_count_ = unread_count;
 135     // TODO(mukai): move NINE_PLUS message to ui_strings, it doesn't need to be
 136     // in ash_strings.
 137     unread_label_->SetText((unread_count > 9) ?
 138         l10n_util::GetStringUTF16(IDS_ASH_NOTIFICATION_UNREAD_COUNT_NINE_PLUS) :
 139         base::FormatNumber(unread_count));
 140     UpdateIconVisibility();
 141   }
 142
 143  protected:
 144   // Overridden from views::ImageButton:
 145   gfx::Size GetPreferredSize() const override {
 146     return gfx::Size(kShelfItemHeight, kShelfItemHeight);
 147   }
 148
 149   int GetHeightForWidth(int width) const override {
 150     return GetPreferredSize().height();
 151   }
 152
 153  private:
 154   void UpdateIconVisibility() {
 155     unread_label_->SetEnabledColor(
 156         (!is_bubble_visible_ && unread_count_ > 0) ?
 157         kWebNotificationColorWithUnread : kWebNotificationColorNoUnread);
 158     SchedulePaint();
 159   }
 160
 161   bool is_bubble_visible_;
 162   int unread_count_;
 163
 164   views::Label* unread_label_;
 165
 166   DISALLOW_COPY_AND_ASSIGN(WebNotificationButton);
 167 };
 168
 169 WebNotificationTray::WebNotificationTray(StatusAreaWidget* status_area_widget)
 170     : TrayBackgroundView(status_area_widget),
 171       button_(NULL),
 172       show_message_center_on_unlock_(false),
 173       should_update_tray_content_(false),
 174       should_block_shelf_auto_hide_(false) {
 175   button_ = new WebNotificationButton(this);
 176   button_->set_triggerable_event_flags(
 177       ui::EF_LEFT_MOUSE_BUTTON | ui::EF_RIGHT_MOUSE_BUTTON);
 178   tray_container()->AddChildView(button_);
 179   SetContentsBackground();
 180   tray_container()->SetBorder(views::Border::NullBorder());
 181   message_center_tray_.reset(new message_center::MessageCenterTray(
 182       this,
 183       message_center::MessageCenter::Get()));
 184   popup_alignment_delegate_.reset(new AshPopupAlignmentDelegate());
 185   popup_collection_.reset(new message_center::MessagePopupCollection(
 186       ash::Shell::GetContainer(
 187           status_area_widget->GetNativeView()->GetRootWindow(),
 188           kShellWindowId_StatusContainer),
 189       message_center(),
 190       message_center_tray_.get(),
 191       popup_alignment_delegate_.get()));
 192   const gfx::Display& display = Shell::GetScreen()->GetDisplayNearestWindow(
 193       status_area_widget->GetNativeView());
 194   popup_alignment_delegate_->StartObserving(Shell::GetScreen(), display);
 195   OnMessageCenterTrayChanged();
 196 }
 197
 198 WebNotificationTray::~WebNotificationTray() {
 199   // Release any child views that might have back pointers before ~View().
 200   message_center_bubble_.reset();
 201   popup_alignment_delegate_.reset();
 202   popup_collection_.reset();
 203 }
 204
 205 // Public methods.
 206
 207 bool WebNotificationTray::ShowMessageCenterInternal(bool show_settings) {
 208   if (!ShouldShowMessageCenter())
 209     return false;
 210
 211   should_block_shelf_auto_hide_ = true;
 212   message_center::MessageCenterBubble* message_center_bubble =
 213       new message_center::MessageCenterBubble(
 214           message_center(),
 215           message_center_tray_.get(),
 216           true);
 217
 218   int max_height = 0;
 219   aura::Window* status_area_window = status_area_widget()->GetNativeView();
 220   switch (GetShelfLayoutManager()->GetAlignment()) {
 221     case SHELF_ALIGNMENT_BOTTOM: {
 222       gfx::Rect shelf_bounds = GetShelfLayoutManager()->GetIdealBounds();
 223       max_height = shelf_bounds.y();
 224       break;
 225     }
 226     case SHELF_ALIGNMENT_TOP: {
 227       aura::Window* root = status_area_window->GetRootWindow();
 228       max_height =
 229           root->bounds().height() - status_area_window->bounds().height();
 230       break;
 231     }
 232     case SHELF_ALIGNMENT_LEFT:
 233     case SHELF_ALIGNMENT_RIGHT: {
 234       // Assume that the bottom line of the status area widget and the bubble
 235       // are aligned.
 236       max_height = status_area_window->GetBoundsInRootWindow().bottom();
 237       break;
 238     }
 239     default:
 240       NOTREACHED();
 241   }
 242
 243   message_center_bubble->SetMaxHeight(std::max(0,
 244                                                max_height - kTraySpacing));
 245   if (show_settings)
 246     message_center_bubble->SetSettingsVisible();
 247   message_center_bubble_.reset(
 248       new WebNotificationBubbleWrapper(this, message_center_bubble));
 249
 250   status_area_widget()->SetHideSystemNotifications(true);
 251   GetShelfLayoutManager()->UpdateAutoHideState();
 252   button_->SetBubbleVisible(true);
 253   SetDrawBackgroundAsActive(true);
 254   return true;
 255 }
 256
 257 bool WebNotificationTray::ShowMessageCenter() {
 258   return ShowMessageCenterInternal(false /* show_settings */);
 259 }
 260
 261 void WebNotificationTray::HideMessageCenter() {
 262   if (!message_center_bubble())
 263     return;
 264   SetDrawBackgroundAsActive(false);
 265   message_center_bubble_.reset();
 266   should_block_shelf_auto_hide_ = false;
 267   show_message_center_on_unlock_ = false;
 268   status_area_widget()->SetHideSystemNotifications(false);
 269   GetShelfLayoutManager()->UpdateAutoHideState();
 270   button_->SetBubbleVisible(false);
 271 }
 272
 273 void WebNotificationTray::SetSystemTrayHeight(int height) {
 274   popup_alignment_delegate_->SetSystemTrayHeight(height);
 275 }
 276
 277 bool WebNotificationTray::ShowPopups() {
 278   if (message_center_bubble())
 279     return false;
 280
 281   popup_collection_->DoUpdateIfPossible();
 282   return true;
 283 }
 284
 285 void WebNotificationTray::HidePopups() {
 286   DCHECK(popup_collection_.get());
 287   popup_collection_->MarkAllPopupsShown();
 288 }
 289
 290 // Private methods.
 291
 292 bool WebNotificationTray::ShouldShowMessageCenter() {
 293   return status_area_widget()->login_status() != user::LOGGED_IN_LOCKED &&
 294       !(status_area_widget()->system_tray() &&
 295         status_area_widget()->system_tray()->HasNotificationBubble());
 296 }
 297
 298 bool WebNotificationTray::ShouldBlockShelfAutoHide() const {
 299   return should_block_shelf_auto_hide_;
 300 }
 301
 302 bool WebNotificationTray::IsMessageCenterBubbleVisible() const {
 303   return (message_center_bubble() &&
 304           message_center_bubble()->bubble()->IsVisible());
 305 }
 306
 307 bool WebNotificationTray::IsMouseInNotificationBubble() const {
 308   return false;
 309 }
 310
 311 void WebNotificationTray::ShowMessageCenterBubble() {
 312   if (!IsMessageCenterBubbleVisible())
 313     message_center_tray_->ShowMessageCenterBubble();
 314 }
 315
 316 void WebNotificationTray::UpdateAfterLoginStatusChange(
 317     user::LoginStatus login_status) {
 318   OnMessageCenterTrayChanged();
 319 }
 320
 321 void WebNotificationTray::SetShelfAlignment(ShelfAlignment alignment) {
 322   if (alignment == shelf_alignment())
 323     return;
 324   TrayBackgroundView::SetShelfAlignment(alignment);
 325   tray_container()->SetBorder(views::Border::NullBorder());
 326   // Destroy any existing bubble so that it will be rebuilt correctly.
 327   message_center_tray_->HideMessageCenterBubble();
 328   message_center_tray_->HidePopupBubble();
 329 }
 330
 331 void WebNotificationTray::AnchorUpdated() {
 332   if (message_center_bubble()) {
 333     message_center_bubble()->bubble_view()->UpdateBubble();
 334     UpdateBubbleViewArrow(message_center_bubble()->bubble_view());
 335   }
 336 }
 337
 338 base::string16 WebNotificationTray::GetAccessibleNameForTray() {
 339   return l10n_util::GetStringUTF16(
 340       IDS_MESSAGE_CENTER_ACCESSIBLE_NAME);
 341 }
 342
 343 void WebNotificationTray::HideBubbleWithView(
 344     const views::TrayBubbleView* bubble_view) {
 345   if (message_center_bubble() &&
 346       bubble_view == message_center_bubble()->bubble_view()) {
 347     message_center_tray_->HideMessageCenterBubble();
 348   } else if (popup_collection_.get()) {
 349     message_center_tray_->HidePopupBubble();
 350   }
 351 }
 352
 353 bool WebNotificationTray::PerformAction(const ui::Event& event) {
 354   if (message_center_bubble())
 355     message_center_tray_->HideMessageCenterBubble();
 356   else
 357     message_center_tray_->ShowMessageCenterBubble();
 358   return true;
 359 }
 360
 361 void WebNotificationTray::BubbleViewDestroyed() {
 362   if (message_center_bubble())
 363     message_center_bubble()->bubble()->BubbleViewDestroyed();
 364 }
 365
 366 void WebNotificationTray::OnMouseEnteredView() {}
 367
 368 void WebNotificationTray::OnMouseExitedView() {}
 369
 370 base::string16 WebNotificationTray::GetAccessibleNameForBubble() {
 371   return GetAccessibleNameForTray();
 372 }
 373
 374 gfx::Rect WebNotificationTray::GetAnchorRect(
 375     views::Widget* anchor_widget,
 376     views::TrayBubbleView::AnchorType anchor_type,
 377     views::TrayBubbleView::AnchorAlignment anchor_alignment) const {
 378   return GetBubbleAnchorRect(anchor_widget, anchor_type, anchor_alignment);
 379 }
 380
 381 void WebNotificationTray::HideBubble(const views::TrayBubbleView* bubble_view) {
 382   HideBubbleWithView(bubble_view);
 383 }
 384
 385 bool WebNotificationTray::ShowNotifierSettings() {
 386   if (message_center_bubble()) {
 387     static_cast<message_center::MessageCenterBubble*>(
 388         message_center_bubble()->bubble())->SetSettingsVisible();
 389     return true;
 390   }
 391   return ShowMessageCenterInternal(true /* show_settings */);
 392 }
 393
 394 bool WebNotificationTray::IsContextMenuEnabled() const {
 395   user::LoginStatus login_status = status_area_widget()->login_status();
 396   bool userAddingRunning = ash::Shell::GetInstance()
 397                                ->session_state_delegate()
 398                                ->IsInSecondaryLoginScreen();
 399
 400   return login_status != user::LOGGED_IN_NONE
 401       && login_status != user::LOGGED_IN_LOCKED && !userAddingRunning;
 402 }
 403
 404 message_center::MessageCenterTray* WebNotificationTray::GetMessageCenterTray() {
 405   return message_center_tray_.get();
 406 }
 407
 408 bool WebNotificationTray::IsCommandIdChecked(int command_id) const {
 409   if (command_id != kToggleQuietMode)
 410     return false;
 411   return message_center()->IsQuietMode();
 412 }
 413
 414 bool WebNotificationTray::IsCommandIdEnabled(int command_id) const {
 415   return true;
 416 }
 417
 418 bool WebNotificationTray::GetAcceleratorForCommandId(
 419     int command_id,
 420     ui::Accelerator* accelerator) {
 421   return false;
 422 }
 423
 424 void WebNotificationTray::ExecuteCommand(int command_id, int event_flags) {
 425   if (command_id == kToggleQuietMode) {
 426     bool in_quiet_mode = message_center()->IsQuietMode();
 427     message_center()->SetQuietMode(!in_quiet_mode);
 428     return;
 429   }
 430   base::TimeDelta expires_in = command_id == kEnableQuietModeDay ?
 431       base::TimeDelta::FromDays(1):
 432       base::TimeDelta::FromHours(1);
 433   message_center()->EnterQuietModeWithExpire(expires_in);
 434 }
 435
 436 void WebNotificationTray::ButtonPressed(views::Button* sender,
 437                                         const ui::Event& event) {
 438   DCHECK_EQ(button_, sender);
 439   PerformAction(event);
 440 }
 441
 442 void WebNotificationTray::OnMessageCenterTrayChanged() {
 443   // Do not update the tray contents directly. Multiple change events can happen
 444   // consecutively, and calling Update in the middle of those events will show
 445   // intermediate unread counts for a moment.
 446   should_update_tray_content_ = true;
 447   base::MessageLoop::current()->PostTask(
 448       FROM_HERE,
 449       base::Bind(&WebNotificationTray::UpdateTrayContent, AsWeakPtr()));
 450 }
 451
 452 void WebNotificationTray::UpdateTrayContent() {
 453   if (!should_update_tray_content_)
 454     return;
 455   should_update_tray_content_ = false;
 456
 457   message_center::MessageCenter* message_center =
 458       message_center_tray_->message_center();
 459   button_->SetUnreadCount(message_center->UnreadNotificationCount());
 460   if (IsMessageCenterBubbleVisible())
 461     button_->SetState(views::CustomButton::STATE_PRESSED);
 462   else
 463     button_->SetState(views::CustomButton::STATE_NORMAL);
 464   bool userAddingRunning = ash::Shell::GetInstance()
 465                                ->session_state_delegate()
 466                                ->IsInSecondaryLoginScreen();
 467
 468   SetVisible((status_area_widget()->login_status() != user::LOGGED_IN_NONE) &&
 469              (status_area_widget()->login_status() != user::LOGGED_IN_LOCKED) &&
 470              !userAddingRunning && (message_center->NotificationCount() > 0));
 471   Layout();
 472   SchedulePaint();
 473 }
 474
 475 bool WebNotificationTray::ClickedOutsideBubble() {
 476   // Only hide the message center
 477   if (!message_center_bubble())
 478     return false;
 479
 480   message_center_tray_->HideMessageCenterBubble();
 481   return true;
 482 }
 483
 484 message_center::MessageCenter* WebNotificationTray::message_center() const {
 485   return message_center_tray_->message_center();
 486 }
 487
 488 // Methods for testing
 489
 490 bool WebNotificationTray::IsPopupVisible() const {
 491   return message_center_tray_->popups_visible();
 492 }
 493
 494 message_center::MessageCenterBubble*
 495 WebNotificationTray::GetMessageCenterBubbleForTest() {
 496   if (!message_center_bubble())
 497     return NULL;
 498   return static_cast<message_center::MessageCenterBubble*>(
 499       message_center_bubble()->bubble());
 500 }
 501
 502 }  // namespace ash