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| 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 NET_BASE_NETWORK_CONFIG_WATCHER_MAC_H_ | |
| 6 #define NET_BASE_NETWORK_CONFIG_WATCHER_MAC_H_ | |
| 7 | |
| 8 #include <SystemConfiguration/SCDynamicStore.h> | |
| 9 | |
| 10 #include "base/basictypes.h" | |
| 11 #include "base/mac/scoped_cftyperef.h" | |
| 12 #include "base/memory/scoped_ptr.h" | |
| 13 | |
| 14 namespace base { | |
| 15 class Thread; | |
| 16 } | |
| 17 | |
| 18 namespace net { | |
| 19 | |
| 20 // Helper class for watching the Mac OS system network settings. | |
| 21 class NetworkConfigWatcherMac { | |
| 22 public: | |
| 23 // NOTE: The lifetime of Delegate is expected to exceed the lifetime of | |
| 24 // NetworkConfigWatcherMac. | |
| 25 class Delegate { | |
| 26 public: | |
| 27 virtual ~Delegate() {} | |
| 28 | |
| 29 // Called to let the delegate do any setup work the must be run on the | |
| 30 // notifier thread immediately after it starts. | |
| 31 virtual void Init() {} | |
| 32 | |
| 33 // Called to start receiving notifications from the SCNetworkReachability | |
| 34 // API. | |
| 35 // Will be called on the notifier thread. | |
| 36 virtual void StartReachabilityNotifications() = 0; | |
| 37 | |
| 38 // Called to register the notification keys on |store|. | |
| 39 // Implementors are expected to call SCDynamicStoreSetNotificationKeys(). | |
| 40 // Will be called on the notifier thread. | |
| 41 virtual void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store) = 0; | |
| 42 | |
| 43 // Called when one of the notification keys has changed. | |
| 44 // Will be called on the notifier thread. | |
| 45 virtual void OnNetworkConfigChange(CFArrayRef changed_keys) = 0; | |
| 46 }; | |
| 47 | |
| 48 explicit NetworkConfigWatcherMac(Delegate* delegate); | |
| 49 ~NetworkConfigWatcherMac(); | |
| 50 | |
| 51 private: | |
| 52 // The thread used to listen for notifications. This relays the notification | |
| 53 // to the registered observers without posting back to the thread the object | |
| 54 // was created on. | |
| 55 scoped_ptr<base::Thread> notifier_thread_; | |
| 56 | |
| 57 DISALLOW_COPY_AND_ASSIGN(NetworkConfigWatcherMac); | |
| 58 }; | |
| 59 | |
| 60 } // namespace net | |
| 61 | |
| 62 #endif // NET_BASE_NETWORK_CONFIG_WATCHER_MAC_H_ | |
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