plugins/dali-swig/SWIG/events/resourceimage-event.i

   1 /*
   2  * Copyright (c) 2016 Samsung Electronics Co., Ltd.
   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
  18 %define ResourceImage_EVENTHANDLER_TYPEMAP_EVENTARG(NameSpace, ClassName)
  19 %typemap(csimports) NameSpace::ClassName %{
  20 using System;
  21 using System.Runtime.InteropServices;
  22
  23 %}
  24 %enddef
  25
  26 %define ResourceImage_EVENTHANDLER_TYPEMAP_HELPER(NameSpace, ClassName)
  27 %typemap(cscode) NameSpace::ClassName %{
  28
  29 public class LoadingFinishedEventArgs : EventArgs
  30 {
  31    private ResourceImage _resourceImage;
  32
  33    public ResourceImage ResourceImage
  34    {
  35       get
  36       {
  37          return _resourceImage;
  38       }
  39       set
  40       {
  41          _resourceImage = value;
  42       }
  43    }
  44 }
  45
  46   [UnmanagedFunctionPointer(CallingConvention.StdCall)]
  47   public delegate void LoadingFinishedEventHandler(object source, LoadingFinishedEventArgs e);
  48
  49   [UnmanagedFunctionPointer(CallingConvention.StdCall)]
  50   private delegate void LoadingFinishedEventCallbackDelegate(IntPtr ResourceImage);
  51   private LoadingFinishedEventHandler _resourceImageLoadingFinishedEventHandler;
  52   private LoadingFinishedEventCallbackDelegate _resourceImageLoadingFinishedEventCallbackDelegate;
  53
  54   public event LoadingFinishedEventHandler LoadingFinished
  55   {
  56      add
  57      {
  58         lock(this)
  59         {
  60            // Restricted to only one listener
  61            if (_resourceImageLoadingFinishedEventHandler == null)
  62            {
  63               _resourceImageLoadingFinishedEventHandler += value;
  64
  65               _resourceImageLoadingFinishedEventCallbackDelegate = new LoadingFinishedEventCallbackDelegate(OnLoadingFinished);
  66               this.LoadingFinishedSignal().Connect(_resourceImageLoadingFinishedEventCallbackDelegate);
  67            }
  68         }
  69      }
  70
  71      remove
  72      {
  73         lock(this)
  74         {
  75            if (_resourceImageLoadingFinishedEventHandler != null)
  76            {
  77               this.LoadingFinishedSignal().Disconnect(_resourceImageLoadingFinishedEventCallbackDelegate);
  78            }
  79
  80            _resourceImageLoadingFinishedEventHandler -= value;
  81         }
  82      }
  83   }
  84
  85   // Callback for ResourceImage LoadingFinishedSignal
  86   private void OnLoadingFinished(IntPtr data)
  87   {
  88      LoadingFinishedEventArgs e = new LoadingFinishedEventArgs();
  89
  90      // Populate all members of "e" (LoadingFinishedEventArgs) with real data
  91      e.ResourceImage = ResourceImage.GetResourceImageFromPtr(data);
  92
  93      if (_resourceImageLoadingFinishedEventHandler != null)
  94      {
  95         //here we send all data to user event handlers
  96         _resourceImageLoadingFinishedEventHandler(this, e);
  97      }
  98   }
  99
 100
 101 public static ClassName Get ## ClassName ## FromPtr(global::System.IntPtr cPtr) {
 102     ClassName ret = new ClassName(cPtr, false);
 103    if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 104     return ret;
 105   }
 106
 107 %}
 108
 109 %enddef
 110
 111
 112 %define DALI_resourceImage_EVENTHANDLER_PARAM( NameSpace, ClassName)
 113   ResourceImage_EVENTHANDLER_TYPEMAP_EVENTARG( NameSpace, ClassName);
 114   ResourceImage_EVENTHANDLER_TYPEMAP_HELPER( NameSpace, ClassName);
 115 %enddef
 116
 117 namespace Dali
 118 {
 119   DALI_resourceImage_EVENTHANDLER_PARAM( Dali, ResourceImage);
 120 }