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#ifndef CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_ 6#define CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_ 7 8#include "content/common/content_export.h" 9 10namespace content { 11 12class NotificationDetails; 13class NotificationSource; 14 15// This is the base class for notification observers. When a matching 16// notification is posted to the notification service, Observe is called. 17class CONTENT_EXPORT NotificationObserver { 18 public: 19 virtual void Observe(int type, 20 const NotificationSource& source, 21 const NotificationDetails& details) = 0; 22 23 protected: 24 virtual ~NotificationObserver() {} 25}; 26 27} // namespace content 28 29#endif // CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_ 30