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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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