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// 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 NET_BASE_NETWORK_CONFIG_WATCHER_MAC_H_
#define NET_BASE_NETWORK_CONFIG_WATCHER_MAC_H_
#include <SystemConfiguration/SCDynamicStore.h>
#include "base/basictypes.h"
#include "base/mac/scoped_cftyperef.h"
#include "base/memory/scoped_ptr.h"
namespace base {
class Thread;
}
namespace net {
// Helper class for watching the Mac OS system network settings.
class NetworkConfigWatcherMac {
public:
// NOTE: The lifetime of Delegate is expected to exceed the lifetime of
// NetworkConfigWatcherMac.
class Delegate {
public:
virtual ~Delegate() {}
// Called to let the delegate do any setup work the must be run on the
// notifier thread immediately after it starts.
virtual void Init() {}
// Called to start receiving notifications from the SCNetworkReachability
// API.
// Will be called on the notifier thread.
virtual void StartReachabilityNotifications() = 0;
// Called to register the notification keys on |store|.
// Implementors are expected to call SCDynamicStoreSetNotificationKeys().
// Will be called on the notifier thread.
virtual void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store) = 0;
// Called when one of the notification keys has changed.
// Will be called on the notifier thread.
virtual void OnNetworkConfigChange(CFArrayRef changed_keys) = 0;
};
explicit NetworkConfigWatcherMac(Delegate* delegate);
~NetworkConfigWatcherMac();
private:
// The thread used to listen for notifications. This relays the notification
// to the registered observers without posting back to the thread the object
// was created on.
scoped_ptr<base::Thread> notifier_thread_;
DISALLOW_COPY_AND_ASSIGN(NetworkConfigWatcherMac);
};
} // namespace net
#endif // NET_BASE_NETWORK_CONFIG_WATCHER_MAC_H_
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