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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 CHROMEOS_DBUS_SHILL_PROPERTY_CHANGED_OBSERVER_H_
      6 #define CHROMEOS_DBUS_SHILL_PROPERTY_CHANGED_OBSERVER_H_
      7 
      8 #include <string>
      9 
     10 namespace base {
     11 class Value;
     12 }
     13 
     14 namespace chromeos {
     15 
     16 // This is a base class for observers which handle the PropertyChanged signal
     17 // sent from Shill.
     18 class ShillPropertyChangedObserver {
     19  public:
     20   virtual void OnPropertyChanged(const std::string& name,
     21                                  const base::Value& value) = 0;
     22 
     23  protected:
     24   virtual ~ShillPropertyChangedObserver() {}
     25 };
     26 
     27 }  // namespace chromeos
     28 
     29 #endif  // CHROMEOS_DBUS_SHILL_PROPERTY_CHANGED_OBSERVER_H_
     30