// 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 CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_ #define CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_ #include "content/common/content_export.h" namespace content { class NotificationDetails; class NotificationSource; // This is the base class for notification observers. When a matching // notification is posted to the notification service, Observe is called. class CONTENT_EXPORT NotificationObserver { public: virtual void Observe(int type, const NotificationSource& source, const NotificationDetails& details) = 0; protected: virtual ~NotificationObserver() {} }; } // namespace content #endif // CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_