Add WebNotificationTray to the status area

ash/system/tray/system_tray.cc

 // 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 "ash/system/tray/system_tray.h"
 
 #include "ash/shell.h"
 #include "ash/shell/panel_window.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/audio/tray_volume.h"
@@ skipping 120 matching lines @@
       brightness_observer_(NULL),
       caps_lock_observer_(NULL),
       clock_observer_(NULL),
       drive_observer_(NULL),
       ime_observer_(NULL),
       locale_observer_(NULL),
       network_observer_(NULL),
       update_observer_(NULL),
       user_observer_(NULL),
       should_show_launcher_(false),
-      default_bubble_height_(0) {
+      default_bubble_height_(0),
+      hide_notifications_(false) {
   tray_container_ = new internal::SystemTrayContainer;
   tray_container_->SetLayoutManager(new views::BoxLayout(
       views::BoxLayout::kHorizontal, 0, 0, 0));
   tray_container_->set_border(
       views::Border::CreateEmptyBorder(1, 1, 1, 1));
   SetContents(tray_container_);
   SetBorder();
 }
 
 SystemTray::~SystemTray() {
@@ skipping 139 matching lines @@
 }
 
 void SystemTray::UpdateAfterShelfAlignmentChange(ShelfAlignment alignment) {
   for (std::vector<SystemTrayItem*>::iterator it = items_.begin();
       it != items_.end();
       ++it) {
     (*it)->UpdateAfterShelfAlignmentChange(alignment);
   }
 }
 
+void SystemTray::SetHideNotifications(bool hide_notifications) {
+  if (notification_bubble_.get())
+    notification_bubble_->SetVisible(!hide_notifications);
+  hide_notifications_ = hide_notifications;
+}
+
+bool SystemTray::IsBubbleVisible() const {
+  return bubble_.get() && bubble_->IsVisible();
+}
+
 bool SystemTray::CloseBubbleForTest() const {
   if (!bubble_.get())
     return false;
   bubble_->Close();
   return true;
 }
 
 // Private methods.
 
 void SystemTray::DestroyBubble() {
@@ skipping 144 matching lines @@
     anchor_type = SystemTrayBubble::ANCHOR_TYPE_TRAY;
   }
   SystemTrayBubble::InitParams init_params(anchor_type, shelf_alignment());
   init_params.anchor = anchor;
   init_params.login_status =
       ash::Shell::GetInstance()->tray_delegate()->GetUserLoginStatus();
   int arrow_offset = GetTrayXOffset(notification_items_[0]);
   if (arrow_offset >= 0)
     init_params.arrow_offset = arrow_offset;
   notification_bubble_->InitView(init_params);
+  if (hide_notifications_)
+    notification_bubble_->SetVisible(false);
 }
 
 void SystemTray::UpdateNotificationAnchor() {
   if (!notification_bubble_.get())
     return;
   notification_bubble_->bubble_view()->UpdateAnchor();
   // Ensure that the notification buble is above the launcher/status area.
   notification_bubble_->bubble_view()->GetWidget()->StackAtTop();
 }
 
@@ skipping 74 matching lines @@
 
 void SystemTray::OnPaintFocusBorder(gfx::Canvas* canvas) {
   // The tray itself expands to the right and bottom edge of the screen to make
   // sure clicking on the edges brings up the popup. However, the focus border
   // should be only around the container.
   if (GetWidget() && GetWidget()->IsActive())
     canvas->DrawFocusRect(tray_container_->bounds());
 }
 
 }  // namespace ash