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// Copyright (c) 2009 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.
// NetworkChangeNotifierHelper is a helper class that assists in implementing
// base functionality for a NetworkChangeNotifier implementation. In
// particular, it manages adding/removing observers and sending them
// notifications of event changes.
#ifndef NET_BASE_NETWORK_CHANGE_NOTIFIER_HELPER_H_
#define NET_BASE_NETWORK_CHANGE_NOTIFIER_HELPER_H_
#include <vector>
#include "base/basictypes.h"
#include "net/base/network_change_notifier.h"
namespace net {
namespace internal {
class NetworkChangeNotifierHelper {
public:
typedef NetworkChangeNotifier::Observer Observer;
NetworkChangeNotifierHelper();
~NetworkChangeNotifierHelper();
void AddObserver(Observer* observer);
void RemoveObserver(Observer* observer);
void OnIPAddressChanged();
private:
bool is_notifying_observers_;
std::vector<Observer*> observers_;
DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierHelper);
};
} // namespace internal
} // namespace net
#endif // NET_BASE_NETWORK_CHANGE_NOTIFIER_HELPER_H_
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