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.Runtime.InteropServices;
20 internal static partial class Interop
22 internal class PlaceListHandle : SafeMapsHandle
24 [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
25 internal delegate bool PlaceCallback(int index, IntPtr /* maps_place_h */ place, IntPtr /* void */ userData);
27 [DllImport(Libraries.MapService, EntryPoint = "maps_place_list_destroy")]
28 internal static extern ErrorCode Destroy(IntPtr /* maps_place_list_h */ placeList);
30 [DllImport(Libraries.MapService, EntryPoint = "maps_place_list_foreach")]
31 internal static extern ErrorCode Foreach(IntPtr /* maps_place_list_h */ placeList, PlaceCallback callback, IntPtr /* void */ userData);
33 public PlaceListHandle(IntPtr handle, bool needToRelease) : base(handle, needToRelease, Destroy) { }
35 internal void Foreach(Action<PlaceHandle> action)
37 PlaceCallback callback = (index, handle, userData) =>
39 action(PlaceHandle.CloneFrom(handle));
43 Foreach(handle, callback, IntPtr.Zero).WarnIfFailed("Failed to get place list from native handle");