Hide notifications popups when entering fullscreen mode.

chrome/browser/notifications/message_center_notification_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_
 #define CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_
 
 #include <map>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/prefs/pref_member.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
 #include "chrome/browser/notifications/notification_ui_manager_impl.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_registrar.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_observer.h"
 #include "ui/message_center/message_center_tray_delegate.h"
 
 class MessageCenterSettingsController;
 class Notification;
 class PrefService;
 class Profile;
 
 // This class extends NotificationUIManagerImpl and delegates actual display
@@ skipping 45 matching lines @@
   void DisplayFirstRunBalloon();
 
   void SetFirstRunTimeoutForTest(base::TimeDelta timeout);
   bool FirstRunTimerIsActive() const;
 #endif
 
   // Takes ownership of |delegate|.
   void SetMessageCenterTrayDelegateForTest(
       message_center::MessageCenterTrayDelegate* delegate);
 
+ protected:
+  // content::NotificationObserver override.
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE;
+
  private:
   class ImageDownloadsObserver {
    public:
     virtual void OnDownloadsCompleted() = 0;
   };
 
   typedef base::Callback<void(const gfx::Image&)> SetImageCallback;
   class ImageDownloads
       : public base::SupportsWeakPtr<ImageDownloads> {
    public:
@@ skipping 113 matching lines @@
   // The first-run balloon will be shown |first_run_idle_timeout_| after all
   // popups go away and the user has notifications in the message center.
   base::TimeDelta first_run_idle_timeout_;
 
   // Provides weak pointers for the purpose of the first run timer.
   base::WeakPtrFactory<MessageCenterNotificationManager> weak_factory_;
 #endif
 
   scoped_ptr<MessageCenterSettingsController> settings_controller_;
 
+  // Registrar for the other kind of notifications (event signaling).
+  content::NotificationRegistrar registrar_;
+
   DISALLOW_COPY_AND_ASSIGN(MessageCenterNotificationManager);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_MESSAGE_CENTER_NOTIFICATION_MANAGER_H_