src/Tizen.NUI/src/internal/ResizedSignal.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     internal class ResizedSignal : global::System.IDisposable
  22     {
  23         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  24         protected bool swigCMemOwn;
  25
  26         internal ResizedSignal(global::System.IntPtr cPtr, bool cMemoryOwn)
  27         {
  28             swigCMemOwn = cMemoryOwn;
  29             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  30         }
  31
  32         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ResizedSignal obj)
  33         {
  34             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  35         }
  36
  37         //A Flag to check who called Dispose(). (By User or DisposeQueue)
  38         private bool isDisposeQueued = false;
  39         //A Flat to check if it is already disposed.
  40         protected bool disposed = false;
  41
  42         ~ResizedSignal()
  43         {
  44             if (!isDisposeQueued)
  45             {
  46                 isDisposeQueued = true;
  47                 DisposeQueue.Instance.Add(this);
  48             }
  49         }
  50
  51         public void Dispose()
  52         {
  53             //Throw excpetion if Dispose() is called in separate thread.
  54             if (!Window.IsInstalled())
  55             {
  56                 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
  57             }
  58
  59             if (isDisposeQueued)
  60             {
  61                 Dispose(DisposeTypes.Implicit);
  62             }
  63             else
  64             {
  65                 Dispose(DisposeTypes.Explicit);
  66                 System.GC.SuppressFinalize(this);
  67             }
  68         }
  69
  70         protected virtual void Dispose(DisposeTypes type)
  71         {
  72             if (disposed)
  73             {
  74                 return;
  75             }
  76
  77             if (type == DisposeTypes.Explicit)
  78             {
  79                 //Called by User
  80                 //Release your own managed resources here.
  81                 //You should release all of your own disposable objects here.
  82             }
  83
  84             //Release your own unmanaged resources here.
  85             //You should not access any managed member here except static instance.
  86             //because the execution order of Finalizes is non-deterministic.
  87
  88             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  89             {
  90                 if (swigCMemOwn)
  91                 {
  92                     swigCMemOwn = false;
  93                     Interop.ResizedSignal.delete_ResizedSignal(swigCPtr);
  94                 }
  95                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
  96             }
  97
  98             disposed = true;
  99         }
 100
 101
 102         public bool Empty()
 103         {
 104             bool ret = Interop.ResizedSignal.ResizedSignal_Empty(swigCPtr);
 105             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 106             return ret;
 107         }
 108
 109         public uint GetConnectionCount()
 110         {
 111             uint ret = Interop.ResizedSignal.ResizedSignal_GetConnectionCount(swigCPtr);
 112             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 113             return ret;
 114         }
 115
 116         public void Connect(System.Delegate func)
 117         {
 118             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 119             {
 120                 Interop.ResizedSignal.ResizedSignal_Connect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 121                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 122             }
 123         }
 124
 125         public void Disconnect(System.Delegate func)
 126         {
 127             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 128             {
 129                 Interop.ResizedSignal.ResizedSignal_Disconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 130                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 131             }
 132         }
 133
 134         public void Emit(Size2D arg)
 135         {
 136             Interop.ResizedSignal.ResizedSignal_Emit(swigCPtr, Size2D.getCPtr(arg));
 137             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 138         }
 139
 140         public ResizedSignal() : this(Interop.ResizedSignal.new_ResizedSignal(), true)
 141         {
 142             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 143         }
 144
 145     }
 146
 147 }