15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved.
25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be
35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file.
45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_
65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_
75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/content_export.h"
95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content {
115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NotificationDetails;
135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class NotificationSource;
145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// This is the base class for notification observers. When a matching
165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// notification is posted to the notification service, Observe is called.
175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class CONTENT_EXPORT NotificationObserver {
185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public:
195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  virtual void Observe(int type,
205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                       const NotificationSource& source,
215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)                       const NotificationDetails& details) = 0;
225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) protected:
245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)  virtual ~NotificationObserver() {}
255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)};
265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)}  // namespace content
285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)
295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#endif  // CONTENT_PUBLIC_BROWSER_NOTIFICATION_OBSERVER_H_
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