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// Copyright (c) 2010 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_CHANGE_NOTIFIER_MAC_H_
#define NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
#include <SystemConfiguration/SCDynamicStore.h>
#include "base/basictypes.h"
#include "base/message_loop.h"
#include "base/scoped_cftyperef.h"
#include "base/scoped_ptr.h"
#include "net/base/network_change_notifier.h"
namespace base {
class Thread;
}
namespace net {
class NetworkChangeNotifierMac : public MessageLoop::DestructionObserver,
public NetworkChangeNotifier {
public:
NetworkChangeNotifierMac();
private:
virtual ~NetworkChangeNotifierMac();
// Called back by OS. Calls OnNetworkConfigChange().
static void DynamicStoreCallback(SCDynamicStoreRef /* store */,
CFArrayRef changed_keys,
void* config);
// MessageLoop::DestructionObserver:
virtual void WillDestroyCurrentMessageLoop();
// Called on the notifier thread to initialize the notification
// implementation. The SystemConfiguration calls in this function can lead to
// contention early on, so we invoke this function later on in startup to keep
// it fast.
void Init();
// Called by DynamicStoreCallback() when something about the network config
// changes.
void OnNetworkConfigChange(CFArrayRef changed_keys);
// 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_;
scoped_cftyperef<CFRunLoopSourceRef> run_loop_source_;
DISALLOW_COPY_AND_ASSIGN(NetworkChangeNotifierMac);
};
} // namespace net
#endif // NET_BASE_NETWORK_CHANGE_NOTIFIER_MAC_H_
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