Deprecate ShillNetworkClient and add GeolocationHandler

chromeos/network/geolocation_handler.h

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROMEOS_NETWORK_GEOLOCATION_HANDLER_H_
+#define CHROMEOS_NETWORK_GEOLOCATION_HANDLER_H_
+
+#include "base/memory/weak_ptr.h"
+#include "base/time.h"
+#include "chromeos/dbus/dbus_method_call_status.h"
+#include "chromeos/network/network_util.h"
+
+namespace base {
+class DictionaryValue;
+}
+
+namespace chromeos {
+
+class CHROMEOS_EXPORT GeolocationHandler {
+ public:
+  ~GeolocationHandler();
+
+  // Manage the global instance. Must be initialized before any calls to Get().
+  static void Initialize();
+  static void Shutdown();
+  static GeolocationHandler* Get();
+
+  // This sends a request for wifi access point data. If data is already
+  // available, returns |true| and sets |access_points|.
+  bool GetWifiAccessPoints(WifiAccessPointVector* access_points);
+
+ private:
+  friend class GeolocationHandlerTest;
+
+  GeolocationHandler();
+
+  // Callback for receiving Geolocation data.
+  void GeolocationCallback(DBusMethodCallStatus call_status,
+                           const base::DictionaryValue& properties);
+
+  // Cached wifi access points and update time
+  WifiAccessPointVector wifi_access_points_;
+  base::Time geolocation_received_time_;
+
+  // For Shill client callbacks
+  base::WeakPtrFactory<GeolocationHandler> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(GeolocationHandler);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROMEOS_NETWORK_GEOLOCATION_HANDLER_H_