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 CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_OBSERVER_H_ 6 #define CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_OBSERVER_H_ 7 8 #include <string> 9 #include <vector> 10 11 #include "base/basictypes.h" 12 #include "chromeos/chromeos_export.h" 13 14 namespace chromeos { 15 16 class NetworkState; 17 18 // Observer class for all network state changes, including changes to 19 // active (connecting or connected) services. 20 class CHROMEOS_EXPORT NetworkStateHandlerObserver { 21 public: 22 NetworkStateHandlerObserver(); 23 virtual ~NetworkStateHandlerObserver(); 24 25 // Called when one or more network manager properties changes. 26 virtual void NetworkManagerChanged(); 27 28 // The list of networks changed. 29 virtual void NetworkListChanged(); 30 31 // The list of devices changed, or a property changed (e.g. scanning). 32 virtual void DeviceListChanged(); 33 34 // The default network changed (includes VPNs) or one of its properties 35 // changed. This won't be called if the WiFi signal strength property 36 // changes. If interested in those events, use NetworkPropertiesUpdated() 37 // below. 38 // |network| will be NULL if there is no longer a default network. 39 virtual void DefaultNetworkChanged(const NetworkState* network); 40 41 // The connection state of |network| changed. 42 virtual void NetworkConnectionStateChanged(const NetworkState* network); 43 44 // One or more properties of |network| have been updated. Note: this will get 45 // called in *addition* to NetworkConnectionStateChanged() when the 46 // connection state property changes. Use this to track properties like 47 // wifi strength. 48 virtual void NetworkPropertiesUpdated(const NetworkState* network); 49 50 private: 51 DISALLOW_COPY_AND_ASSIGN(NetworkStateHandlerObserver); 52 }; 53 54 } // namespace chromeos 55 56 #endif // CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_OBSERVER_H_ 57
