chromeos/network/network_state_handler_observer.h

   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   typedef std::vector<const NetworkState*> NetworkStateList;
  23
  24   NetworkStateHandlerObserver();
  25   virtual ~NetworkStateHandlerObserver();
  26
  27   // Called when one or more network manager properties changes.
  28   virtual void NetworkManagerChanged();
  29
  30   // The list of networks changed.
  31   virtual void NetworkListChanged();
  32
  33   // The list of devices changed, or a property changed (e.g. scanning).
  34   virtual void DeviceListChanged();
  35
  36   // The default network changed (includes VPNs) or one of its properties
  37   // changed. This won't be called if the WiFi signal strength property
  38   // changes. If interested in those events, use NetworkPropertiesUpdated()
  39   // below.
  40   // |network| will be NULL if there is no longer a default network.
  41   virtual void DefaultNetworkChanged(const NetworkState* network);
  42
  43   // The connection state of |network| changed.
  44   virtual void NetworkConnectionStateChanged(const NetworkState* network);
  45
  46   // One or more properties of |network| have been updated. Note: this will get
  47   // called in *addition* to NetworkConnectionStateChanged() when the
  48   // connection state property changes. Use this to track properties like
  49   // wifi strength.
  50   virtual void NetworkPropertiesUpdated(const NetworkState* network);
  51
  52  private:
  53   DISALLOW_COPY_AND_ASSIGN(NetworkStateHandlerObserver);
  54 };
  55
  56 }  // namespace chromeos
  57
  58 #endif  // CHROMEOS_NETWORK_NETWORK_STATE_HANDLER_OBSERVER_H_