src/Tizen.Maps/Interop/Interop.AddressList.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.Runtime.InteropServices;
  19
  20 internal static partial class Interop
  21 {
  22     [DllImport(Libraries.MapService, EntryPoint = "maps_address_list_append")]
  23     internal static extern ErrorCode ListAppend(this AddressListHandle /* maps_address_list_h */ addressList, AddressHandle /* maps_address_h */ address);
  24
  25     [DllImport(Libraries.MapService, EntryPoint = "maps_address_list_remove")]
  26     internal static extern ErrorCode ListRemove(this AddressListHandle /* maps_address_list_h */ addressList, AddressHandle /* maps_address_h */ address);
  27
  28     [DllImport(Libraries.MapService, EntryPoint = "maps_address_list_get_length")]
  29     internal static extern ErrorCode ListGetLength(this AddressListHandle /* maps_address_list_h */ addressList, out int length);
  30
  31
  32     internal class AddressListHandle : SafeMapsHandle
  33     {
  34         [UnmanagedFunctionPointer(CallingConvention.Cdecl)]
  35         internal delegate bool AddressCallback(int index, IntPtr /* maps_address_h */ addressHandle, IntPtr /* void */ userData);
  36
  37         [DllImport(Libraries.MapService, EntryPoint = "maps_address_list_create")]
  38         internal static extern ErrorCode Create(out IntPtr /* maps_address_list_h */ addressList);
  39
  40         [DllImport(Libraries.MapService, EntryPoint = "maps_address_list_destroy")]
  41         internal static extern ErrorCode Destroy(IntPtr /* maps_address_list_h */ addressList);
  42
  43         [DllImport(Libraries.MapService, EntryPoint = "maps_address_list_foreach")]
  44         internal static extern ErrorCode Foreach(IntPtr /* maps_address_list_h */ addressList, AddressCallback callback, IntPtr /* void */ userData);
  45
  46         internal AddressListHandle() : base(IntPtr.Zero, true, Destroy)
  47         {
  48             Create(out handle).ThrowIfFailed("Failed to create native handle");
  49         }
  50
  51         internal AddressListHandle(IntPtr handle, bool needToRelease) : base(handle, needToRelease, Destroy)
  52         {
  53         }
  54
  55         internal void Foreach(Action<AddressHandle> action)
  56         {
  57             AddressCallback callback = (index, handle, userData) =>
  58             {
  59                 action(AddressHandle.CloneFrom(handle));
  60                 return true;
  61             };
  62
  63             Foreach(handle, callback, IntPtr.Zero).WarnIfFailed("Failed to get address list from native handle");
  64         }
  65     }
  66 }