src/ElmSharp.Wearable/Interop/Interop.Eext.Rotary.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     internal static partial class Eext
  23     {
  24         const short EEXT_CALLBACK_PRIORITY_AFTER = 100;
  25         const short EEXT_CALLBACK_PRIORITY_BEFORE = -100;
  26         const short EEXT_CALLBACK_PRIORITY_DEFAULT = 0;
  27
  28         internal delegate bool Eext_Rotary_Event_Cb(IntPtr data, IntPtr obj, IntPtr info);
  29         internal delegate bool Eext_Rotary_Handler_Cb(IntPtr data, IntPtr info);
  30
  31         internal enum Eext_Rotary_Event_Direction
  32         {
  33             Clockwise,
  34             CounterClockwise
  35         }
  36
  37         internal struct Eext_Rotary_Event_Info
  38         {
  39             public Eext_Rotary_Event_Direction Direction;
  40             public uint TimeStamp;
  41         }
  42
  43         internal static Eext_Rotary_Event_Info FromIntPtr(IntPtr infoPtr)
  44         {
  45             var info = Marshal.PtrToStructure<Eext_Rotary_Event_Info>(infoPtr);
  46             return info;
  47         }
  48
  49         [DllImport(Libraries.Eext)]
  50         internal static extern IntPtr eext_rotary_object_event_activated_set(IntPtr circleObject, bool activated);
  51
  52         [DllImport(Libraries.Eext)]
  53         internal static extern bool eext_rotary_object_event_callback_add(IntPtr obj, Eext_Rotary_Event_Cb func, IntPtr data);
  54
  55         [DllImport(Libraries.Eext)]
  56         internal static extern bool eext_rotary_object_event_callback_priority_add(IntPtr obj, short priority, Eext_Rotary_Event_Cb func, IntPtr data);
  57
  58         [DllImport(Libraries.Eext)]
  59         internal static extern IntPtr eext_rotary_object_event_callback_del(IntPtr obj, Eext_Rotary_Event_Cb func);
  60
  61         [DllImport(Libraries.Eext)]
  62         internal static extern bool eext_rotary_event_handler_add(Eext_Rotary_Handler_Cb func, IntPtr data);
  63
  64         [DllImport(Libraries.Eext)]
  65         internal static extern IntPtr eext_rotary_event_handler_del(Eext_Rotary_Handler_Cb func);
  66     }
  67 }