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: ~ShillPropertyChangedObserver()24 virtual ~ShillPropertyChangedObserver() {} 25 }; 26 27 } // namespace chromeos 28 29 #endif // CHROMEOS_DBUS_SHILL_PROPERTY_CHANGED_OBSERVER_H_ 30