src/Tizen.NUI/src/public/PropertyNotifySignal.cs

   1 /*
   2  * Copyright(c) 2017 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 namespace Tizen.NUI
  19 {
  20
  21     ///<summary>
  22     /// Signal connection class for PropertyNotification
  23     ///</summary>
  24     public class PropertyNotifySignal : global::System.IDisposable
  25     {
  26         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  27         /// <summary>
  28         /// swigCMemOwn
  29         /// </summary>
  30         /// <since_tizen> 3 </since_tizen>
  31         protected bool swigCMemOwn;
  32
  33         internal PropertyNotifySignal(global::System.IntPtr cPtr, bool cMemoryOwn)
  34         {
  35             swigCMemOwn = cMemoryOwn;
  36             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  37         }
  38
  39         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(PropertyNotifySignal obj)
  40         {
  41             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  42         }
  43
  44         //A Flag to check who called Dispose(). (By User or DisposeQueue)
  45         private bool isDisposeQueued = false;
  46         /// <summary>
  47         /// A Flat to check if it is already disposed.
  48         /// </summary>
  49         /// <since_tizen> 3 </since_tizen>
  50         protected bool disposed = false;
  51
  52         /// <summary>
  53         /// Dispose
  54         /// </summary>
  55         /// <since_tizen> 3 </since_tizen>
  56         ~PropertyNotifySignal()
  57         {
  58             if (!isDisposeQueued)
  59             {
  60                 isDisposeQueued = true;
  61                 DisposeQueue.Instance.Add(this);
  62             }
  63         }
  64
  65         /// <summary>
  66         /// Dispose
  67         /// </summary>
  68         /// <since_tizen> 3 </since_tizen>
  69         public void Dispose()
  70         {
  71             //Throw excpetion if Dispose() is called in separate thread.
  72             if (!Window.IsInstalled())
  73             {
  74                 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
  75             }
  76
  77             if (isDisposeQueued)
  78             {
  79                 Dispose(DisposeTypes.Implicit);
  80             }
  81             else
  82             {
  83                 Dispose(DisposeTypes.Explicit);
  84                 System.GC.SuppressFinalize(this);
  85             }
  86         }
  87
  88         /// <summary>
  89         /// Dispose
  90         /// </summary>
  91         /// <param name="type">The dispose type.</param>
  92         /// <since_tizen> 3 </since_tizen>
  93         protected virtual void Dispose(DisposeTypes type)
  94         {
  95             if (disposed)
  96             {
  97                 return;
  98             }
  99
 100             if (type == DisposeTypes.Explicit)
 101             {
 102                 //Called by User
 103                 //Release your own managed resources here.
 104                 //You should release all of your own disposable objects here.
 105
 106             }
 107
 108             //Release your own unmanaged resources here.
 109             //You should not access any managed member here except static instance.
 110             //because the execution order of Finalizes is non-deterministic.
 111
 112             if (swigCPtr.Handle != global::System.IntPtr.Zero)
 113             {
 114                 if (swigCMemOwn)
 115                 {
 116                     swigCMemOwn = false;
 117                     NDalicPINVOKE.delete_PropertyNotifySignal(swigCPtr);
 118                 }
 119                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
 120             }
 121
 122             disposed = true;
 123         }
 124
 125         /// <summary>
 126         /// Queries whether there are any connected slots.
 127         /// </summary>
 128         /// <returns>True if there are any slots connected to the signal.</returns>
 129         /// <since_tizen> 3 </since_tizen>
 130         public bool Empty()
 131         {
 132             bool ret = NDalicPINVOKE.PropertyNotifySignal_Empty(swigCPtr);
 133             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 134             return ret;
 135         }
 136
 137         /// <summary>
 138         /// Queries the number of slots.
 139         /// </summary>
 140         /// <returns>The number of slots connected to this signal</returns>
 141         /// <since_tizen> 3 </since_tizen>
 142         public uint GetConnectionCount()
 143         {
 144             uint ret = NDalicPINVOKE.PropertyNotifySignal_GetConnectionCount(swigCPtr);
 145             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 146             return ret;
 147         }
 148
 149         /// <summary>
 150         /// Connects a function.
 151         /// </summary>
 152         /// <param name="func">The function to connect</param>
 153         /// <since_tizen> 3 </since_tizen>
 154         public void Connect(System.Delegate func)
 155         {
 156             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 157             {
 158                 NDalicPINVOKE.PropertyNotifySignal_Connect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 159                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 160             }
 161         }
 162
 163         /// <summary>
 164         /// Disconnects a function.
 165         /// </summary>
 166         /// <param name="func">The function to disconnect.</param>
 167         /// <since_tizen> 3 </since_tizen>
 168         public void Disconnect(System.Delegate func)
 169         {
 170             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 171             {
 172                 NDalicPINVOKE.PropertyNotifySignal_Disconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 173                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 174             }
 175         }
 176
 177         /// <summary>
 178         /// Emits a signal with 1 parameter.
 179         /// </summary>
 180         /// <param name="arg">The first value to pass to callbacks.</param>
 181         /// <since_tizen> 3 </since_tizen>
 182         public void Emit(PropertyNotification arg)
 183         {
 184             NDalicPINVOKE.PropertyNotifySignal_Emit(swigCPtr, PropertyNotification.getCPtr(arg));
 185             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 186         }
 187
 188         /// <summary>
 189         /// The constructor.
 190         /// </summary>
 191         /// <since_tizen> 3 </since_tizen>
 192         public PropertyNotifySignal() : this(NDalicPINVOKE.new_PropertyNotifySignal(), true)
 193         {
 194             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 195         }
 196
 197     }
 198
 199 }