ash/system/chromeos/network/tray_network_state_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 ASH_SYSTEM_CHROMEOS_NETWORK_TRAY_NETWORK_STATE_OBSERVER_H
   6 #define ASH_SYSTEM_CHROMEOS_NETWORK_TRAY_NETWORK_STATE_OBSERVER_H
   7
   8 #include <string>
   9
  10 #include "base/compiler_specific.h"
  11 #include "chromeos/network/network_state_handler_observer.h"
  12
  13 namespace ash {
  14
  15 class TrayNetworkStateObserver : public chromeos::NetworkStateHandlerObserver {
  16  public:
  17   class Delegate {
  18    public:
  19     // Called when the network state may have changed. If |list_changed| is
  20     // true then the list of networks may have changed.
  21     virtual void NetworkStateChanged(bool list_changed) = 0;
  22
  23     // Called when the properties for |network| may have been updated.
  24     virtual void NetworkServiceChanged(
  25         const chromeos::NetworkState* network) = 0;
  26
  27    protected:
  28     virtual ~Delegate() {}
  29   };
  30
  31   explicit TrayNetworkStateObserver(Delegate* delegate);
  32
  33   virtual ~TrayNetworkStateObserver();
  34
  35   // NetworkStateHandlerObserver overrides.
  36   virtual void NetworkListChanged() OVERRIDE;
  37   virtual void DeviceListChanged() OVERRIDE;
  38   virtual void DefaultNetworkChanged(
  39       const chromeos::NetworkState* network) OVERRIDE;
  40   virtual void NetworkConnectionStateChanged(
  41       const chromeos::NetworkState* network) OVERRIDE;
  42   virtual void NetworkPropertiesUpdated(
  43       const chromeos::NetworkState* network) OVERRIDE;
  44
  45  private:
  46   Delegate* delegate_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(TrayNetworkStateObserver);
  49 };
  50
  51 }  // namespace ash
  52
  53 #endif  // ASH_SYSTEM_CHROMEOS_NETWORK_TRAY_NETWORK_STATE_OBSERVER_H