2 * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
4 * Licensed under the Apache License, Version 2.0 (the License);
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an AS IS BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 using System.Collections.Generic;
23 /// Multiple reverse geocode request for Tizen map service.
25 /// <since_tizen> 3 </since_tizen>
26 public class MultiReverseGeocodeRequest : MapServiceRequest<PlaceAddress>
28 private Interop.MultiReverseGeocodeCallback _geocodeCallback;
29 private List<PlaceAddress> _addressesList = new List<PlaceAddress>();
31 internal MultiReverseGeocodeRequest(MapService service, IEnumerable<Geocoordinates> coordinates) : base(service, ServiceRequestType.ReverseGeocode)
33 // The Maps Service invokes this callback once when gets the response from map service provider
34 // The value of total is same with requested coordinates list size. Even though one of address is not provided valid address handle is retrieved.
35 _geocodeCallback = (result, id, total, handle, userData) =>
38 if (result.IsSuccess())
40 var addressListHandle = new Interop.AddressListHandle(handle, needToRelease: true);
41 var addressList = new PlaceAddressList(addressListHandle);
42 _addressesList = addressList.Addresses as List<PlaceAddress>;
43 _requestTask?.TrySetResult(_addressesList);
48 _requestTask?.TrySetException(errorCode.GetException(errMessage));
53 var coordinateList = new GeocoordinatesList(coordinates);
54 startExecutionAction = new Action(() =>
57 errMessage = "Failed to get address list for given co-ordinate list";
58 errorCode = _service.handle.MultiReverseGeocode(coordinateList.handle, _service.Preferences.handle, _geocodeCallback, IntPtr.Zero, out requestID);
59 if (errorCode.IsFailed() && errorCode != Interop.ErrorCode.Canceled)
61 _requestTask?.TrySetException(errorCode.GetException(errMessage));
63 _requestID = requestID;