chrome/browser/notifications/fullscreen_notification_blocker.h

   1 // Copyright 2013 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 #ifndef CHROME_BROWSER_NOTIFICATIONS_FULLSCREEN_NOTIFICATION_BLOCKER_H_
   6 #define CHROME_BROWSER_NOTIFICATIONS_FULLSCREEN_NOTIFICATION_BLOCKER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "content/public/browser/notification_observer.h"
  10 #include "content/public/browser/notification_registrar.h"
  11 #include "ui/message_center/notification_blocker.h"
  12
  13 // A notification blocker which checks the fullscreen state.
  14 class FullscreenNotificationBlocker
  15     : public message_center::NotificationBlocker,
  16       public content::NotificationObserver {
  17  public:
  18   explicit FullscreenNotificationBlocker(
  19       message_center::MessageCenter* message_center);
  20   virtual ~FullscreenNotificationBlocker();
  21
  22   bool is_fullscreen_mode() const { return is_fullscreen_mode_; }
  23
  24   // message_center::NotificationBlocker overrides:
  25   virtual void CheckState() OVERRIDE;
  26   virtual bool ShouldShowNotificationAsPopup(
  27       const message_center::NotifierId& notifier_id) const OVERRIDE;
  28
  29  private:
  30   // content::NotificationObserver override.
  31   virtual void Observe(int type,
  32                        const content::NotificationSource& source,
  33                        const content::NotificationDetails& details) OVERRIDE;
  34
  35   bool is_fullscreen_mode_;
  36
  37   content::NotificationRegistrar registrar_;
  38
  39   DISALLOW_COPY_AND_ASSIGN(FullscreenNotificationBlocker);
  40 };
  41
  42 #endif  // CHROME_BROWSER_NOTIFICATIONS_FULLSCREEN_NOTIFICATION_BLOCKER_H_