src/Tizen.NUI/src/internal/ActivatedSignalType.cs

   1 /*
   2  * Copyright(c) 2018 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 using System;
  18 using System.Runtime.InteropServices;
  19 using System.ComponentModel;
  20
  21 namespace Tizen.NUI
  22 {
  23     internal class ActivatedSignalType : global::System.IDisposable
  24     {
  25         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  26         /// <summary>
  27         /// swigCMemOwn
  28         /// </summary>
  29         /// <since_tizen> 3 </since_tizen>
  30         protected bool swigCMemOwn;
  31
  32         internal ActivatedSignalType(global::System.IntPtr cPtr, bool cMemoryOwn)
  33         {
  34             swigCMemOwn = cMemoryOwn;
  35             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  36         }
  37
  38         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ActivatedSignalType obj)
  39         {
  40             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  41         }
  42
  43         //A Flag to check who called Dispose(). (By User or DisposeQueue)
  44         private bool isDisposeQueued = false;
  45         /// <summary>
  46         /// A Flat to check if it is already disposed.
  47         /// </summary>
  48         /// <since_tizen> 3 </since_tizen>
  49         protected bool disposed = false;
  50
  51         /// <summary>
  52         /// Dispose
  53         /// </summary>
  54         /// <since_tizen> 3 </since_tizen>
  55         ~ActivatedSignalType()
  56         {
  57             if (!isDisposeQueued)
  58             {
  59                 isDisposeQueued = true;
  60                 DisposeQueue.Instance.Add(this);
  61             }
  62         }
  63
  64         /// <summary>
  65         /// Dispose
  66         /// </summary>
  67         /// <since_tizen> 3 </since_tizen>
  68         public void Dispose()
  69         {
  70             //Throw excpetion if Dispose() is called in separate thread.
  71             if (!Window.IsInstalled())
  72             {
  73                 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
  74             }
  75
  76             if (isDisposeQueued)
  77             {
  78                 Dispose(DisposeTypes.Implicit);
  79             }
  80             else
  81             {
  82                 Dispose(DisposeTypes.Explicit);
  83                 System.GC.SuppressFinalize(this);
  84             }
  85         }
  86
  87         /// <summary>
  88         /// Dispose
  89         /// </summary>
  90         /// <since_tizen> 3 </since_tizen>
  91         protected virtual void Dispose(DisposeTypes type)
  92         {
  93             if (disposed)
  94             {
  95                 return;
  96             }
  97
  98             if (type == DisposeTypes.Explicit)
  99             {
 100                 //Called by User
 101                 //Release your own managed resources here.
 102                 //You should release all of your own disposable objects here.
 103
 104             }
 105
 106             //Release your own unmanaged resources here.
 107             //You should not access any managed member here except static instance.
 108             //because the execution order of Finalizes is non-deterministic.
 109
 110             if (swigCPtr.Handle != global::System.IntPtr.Zero)
 111             {
 112                 if (swigCMemOwn)
 113                 {
 114                     swigCMemOwn = false;
 115                     Interop.ActivatedSignalType.delete_ActivatedSignalType(swigCPtr);
 116                 }
 117                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
 118             }
 119
 120             disposed = true;
 121         }
 122
 123         /// <summary>
 124         /// Queries whether there are any connected slots.
 125         /// </summary>
 126         /// <returns>True if there are any slots connected to the signal</returns>
 127         /// <since_tizen> 3 </since_tizen>
 128         public bool Empty()
 129         {
 130             bool ret = Interop.ActivatedSignalType.ActivatedSignalType_Empty(swigCPtr);
 131             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 132             return ret;
 133         }
 134
 135         /// <summary>
 136         /// Queries the number of slots.
 137         /// </summary>
 138         /// <returns>The number of slots connected to this signal</returns>
 139         /// <since_tizen> 3 </since_tizen>
 140         public uint GetConnectionCount()
 141         {
 142             uint ret = Interop.ActivatedSignalType.ActivatedSignalType_GetConnectionCount(swigCPtr);
 143             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 144             return ret;
 145         }
 146
 147         /// <summary>
 148         /// Connects a function.
 149         /// </summary>
 150         /// <param name="func">The function to connect</param>
 151         /// <since_tizen> 3 </since_tizen>
 152         public void Connect(System.Delegate func)
 153         {
 154             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 155             {
 156                 Interop.ActivatedSignalType.ActivatedSignalType_Connect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 157                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 158             }
 159         }
 160
 161         /// <summary>
 162         /// Disconnects a function.
 163         /// </summary>
 164         /// <param name="func">The function to disconnect</param>
 165         /// <since_tizen> 3 </since_tizen>
 166         public void Disconnect(System.Delegate func)
 167         {
 168             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 169             {
 170                 Interop.ActivatedSignalType.ActivatedSignalType_Disconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 171                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 172             }
 173         }
 174
 175         /// <summary>
 176         /// Emits the signal.
 177         /// </summary>
 178         /// <param name="arg">The first value to pass to callbacks</param>
 179         /// <since_tizen> 5 </since_tizen>
 180         public void Emit(InputMethodContext arg)
 181         {
 182             Interop.ActivatedSignalType.ActivatedSignalType_Emit(swigCPtr, InputMethodContext.getCPtr(arg));
 183             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 184         }
 185
 186         /// <summary>
 187         /// The contructor.
 188         /// </summary>
 189         /// <since_tizen> 3 </since_tizen>
 190         public ActivatedSignalType() : this(Interop.ActivatedSignalType.new_ActivatedSignalType(), true)
 191         {
 192             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 193         }
 194
 195     }
 196
 197 }