chromeos/network/shill_service_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_SHILL_SERVICE_OBSERVER_H_
   6 #define CHROMEOS_NETWORK_SHILL_SERVICE_OBSERVER_H_
   7
   8 #include <string>
   9
  10 #include "base/callback.h"
  11 #include "chromeos/dbus/shill_property_changed_observer.h"
  12
  13 namespace chromeos {
  14 namespace internal {
  15
  16 // Class to manage Shill service property changed observers. Observers are
  17 // added on construction and removed on destruction. Runs the handler when
  18 // OnPropertyChanged is called.
  19 class ShillServiceObserver : public ShillPropertyChangedObserver {
  20  public:
  21   typedef base::Callback<void(const std::string& service,
  22                               const std::string& name,
  23                               const base::Value& value)> Handler;
  24
  25   ShillServiceObserver(const std::string& service_path,
  26                        const Handler& handler);
  27
  28   virtual ~ShillServiceObserver();
  29
  30   // ShillPropertyChangedObserver overrides.
  31   virtual void OnPropertyChanged(const std::string& key,
  32                                  const base::Value& value) OVERRIDE;
  33
  34  private:
  35   std::string service_path_;
  36   Handler handler_;
  37
  38   DISALLOW_COPY_AND_ASSIGN(ShillServiceObserver);
  39 };
  40
  41 }  // namespace internal
  42 }  // namespace chromeos
  43
  44 #endif  // CHROMEOS_NETWORK_SHILL_SERVICE_OBSERVER_H_