Home | History | Annotate | Download | only in base 
      1 // Copyright (c) 2011 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/message_loop.h"
     12 #include "base/mac/scoped_cftyperef.h"
     13 #include "base/memory/scoped_ptr.h"
     14 
     15 namespace base {
     16 class Thread;
     17 }
     18 
     19 namespace net {
     20 
     21 // Base class for watching the Mac OS system network settings.
     22 class NetworkConfigWatcherMac {
     23  public:
     24   // NOTE: The lifetime of Delegate is expected to exceed the lifetime of
     25   // NetworkConfigWatcherMac.
     26   class Delegate {
     27    public:
     28     virtual ~Delegate() {}
     29 
     30     // Called to register the notification keys on |store|.
     31     // Implementors are expected to call SCDynamicStoreSetNotificationKeys().
     32     // Will be called on the notifier thread.
     33     virtual void SetDynamicStoreNotificationKeys(SCDynamicStoreRef store) = 0;
     34 
     35     // Called when one of the notification keys has changed.
     36     // Will be called on the notifier thread.
     37     virtual void OnNetworkConfigChange(CFArrayRef changed_keys) = 0;
     38   };
     39 
     40   explicit NetworkConfigWatcherMac(Delegate* delegate);
     41   virtual ~NetworkConfigWatcherMac();
     42 
     43  private:
     44   // The thread used to listen for notifications.  This relays the notification
     45   // to the registered observers without posting back to the thread the object
     46   // was created on.
     47   scoped_ptr<base::Thread> notifier_thread_;
     48 
     49   DISALLOW_COPY_AND_ASSIGN(NetworkConfigWatcherMac);
     50 };
     51 
     52 }  // namespace net
     53 
     54 #endif  // NET_BASE_NETWORK_CONFIG_WATCHER_MAC_H_
     55