src/Tizen.Maps/Tizen.Maps/PlaceSearchRequest.cs

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   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
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  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.
  15  */
  16
  17 using System;
  18 using System.Collections.Generic;
  19
  20 namespace Tizen.Maps
  21 {
  22     /// <summary>
  23     /// Place search request for Tizen map service
  24     /// </summary>
  25     public class PlaceSearchRequest : MapServiceRequest<Place>
  26     {
  27         private Interop.Service.SearchPlaceCallback _responseCallback;
  28         private List<Place> _placeList = new List<Place>();
  29         private PlaceFilter _filter;
  30         private PlaceSearchPreference _preferences;
  31
  32         internal PlaceSearchRequest(MapService service, Geocoordinates position, int distance) : this(service, ServiceRequestType.SearchPlace)
  33         {
  34             startExecutionAction = new Action(() =>
  35             {
  36                 int requestID;
  37                 errMessage = string.Format("Failed to get place list for given co-ordinate {0} and distance {1}", position, distance);
  38                 errorCode = Interop.Service.SearchPlace(_service, position.handle, distance, _filter.handle, _preferences.handle, _responseCallback, IntPtr.Zero, out requestID);
  39                 if (errorCode.IsFailed() && errorCode != Interop.ErrorCode.Canceled)
  40                 {
  41                     _requestTask?.TrySetException(errorCode.GetException(errMessage));
  42                 }
  43                 _requestID = requestID;
  44             });
  45         }
  46
  47         internal PlaceSearchRequest(MapService service, Area boundary) : this(service, ServiceRequestType.SearchPlaceByArea)
  48         {
  49             startExecutionAction = new Action(() =>
  50             {
  51                 int requestID;
  52                 errMessage = string.Format("Failed to get place list for given boundary {0}", boundary);
  53                 errorCode = Interop.Service.SearchPlaceByArea(_service, boundary.handle, _filter.handle, _preferences.handle, _responseCallback, IntPtr.Zero, out requestID);
  54                 if (errorCode.IsFailed() && errorCode != Interop.ErrorCode.Canceled)
  55                 {
  56                     _requestTask?.TrySetException(errorCode.GetException(errMessage));
  57                 }
  58                 _requestID = requestID;
  59             });
  60         }
  61
  62         internal PlaceSearchRequest(MapService service, string address, Area boundary) : this(service, ServiceRequestType.SearchPlaceByAddress)
  63         {
  64             startExecutionAction = new Action(() =>
  65             {
  66                 int requestID;
  67                 errMessage = string.Format("Failed to get co-ordinates for given address {0} and boundary {1}", address, boundary);
  68                 errorCode = Interop.Service.SearchPlaceByAddress(_service, address, boundary.handle, _filter.handle, _preferences.handle, _responseCallback, IntPtr.Zero, out requestID);
  69                 if (errorCode.IsFailed() && errorCode != Interop.ErrorCode.Canceled)
  70                 {
  71                     _requestTask?.TrySetException(errorCode.GetException(errMessage));
  72                 }
  73                 _requestID = requestID;
  74             });
  75         }
  76
  77         private PlaceSearchRequest(MapService service, ServiceRequestType type) : base(service, type)
  78         {
  79             _filter = service._filter;
  80             _preferences = service.PlaceSearchPreferences;
  81             _responseCallback = (result, id, index, total, placeHandle, userData) =>
  82             {
  83                 errorCode = result;
  84                 if (result.IsSuccess())
  85                 {
  86                     _placeList.Add(new Place(placeHandle));
  87                     if (_placeList.Count == total)
  88                     {
  89                         _requestTask?.TrySetResult(_placeList);
  90                     }
  91                     return true;
  92                 }
  93                 else
  94                 {
  95                     _requestTask?.TrySetException(errorCode.GetException(errMessage));
  96                     return false;
  97                 }
  98             };
  99         }
 100     }
 101 }