src/Tizen.NUI/src/internal/ViewLayoutDirectionChangedSignal.cs

   1 /** Copyright (c) 2017 Samsung Electronics Co., Ltd.
   2 *
   3 * Licensed under the Apache License, Version 2.0 (the "License");
   4 * you may not use this file except in compliance with the License.
   5 * You may obtain a copy of the License at
   6 *
   7 * http://www.apache.org/licenses/LICENSE-2.0
   8 *
   9 * Unless required by applicable law or agreed to in writing, software
  10 * distributed under the License is distributed on an "AS IS" BASIS,
  11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 * See the License for the specific language governing permissions and
  13 * limitations under the License.
  14 *
  15 */
  16
  17 using Tizen.NUI.BaseComponents;
  18
  19 namespace Tizen.NUI
  20 {
  21
  22     internal class ViewLayoutDirectionChangedSignal : global::System.IDisposable
  23     {
  24         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  25         protected bool swigCMemOwn;
  26
  27         internal ViewLayoutDirectionChangedSignal(global::System.IntPtr cPtr, bool cMemoryOwn)
  28         {
  29             swigCMemOwn = cMemoryOwn;
  30             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  31         }
  32
  33         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ViewLayoutDirectionChangedSignal obj)
  34         {
  35             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  36         }
  37
  38         //A Flag to check who called Dispose(). (By User or DisposeQueue)
  39         private bool isDisposeQueued = false;
  40         //A Flat to check if it is already disposed.
  41         protected bool disposed = false;
  42
  43         ~ViewLayoutDirectionChangedSignal()
  44         {
  45             if (!isDisposeQueued)
  46             {
  47                 isDisposeQueued = true;
  48                 DisposeQueue.Instance.Add(this);
  49             }
  50         }
  51
  52         public void Dispose()
  53         {
  54             //Throw excpetion if Dispose() is called in separate thread.
  55             if (!Window.IsInstalled())
  56             {
  57                 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
  58             }
  59
  60             if (isDisposeQueued)
  61             {
  62                 Dispose(DisposeTypes.Implicit);
  63             }
  64             else
  65             {
  66                 Dispose(DisposeTypes.Explicit);
  67                 System.GC.SuppressFinalize(this);
  68             }
  69         }
  70
  71         protected virtual void Dispose(DisposeTypes type)
  72         {
  73             if (disposed)
  74             {
  75                 return;
  76             }
  77
  78             if (type == DisposeTypes.Explicit)
  79             {
  80                 //Called by User
  81                 //Release your own managed resources here.
  82                 //You should release all of your own disposable objects here.
  83             }
  84
  85             //Release your own unmanaged resources here.
  86             //You should not access any managed member here except static instance.
  87             //because the execution order of Finalizes is non-deterministic.
  88
  89             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  90             {
  91                 if (swigCMemOwn)
  92                 {
  93                     swigCMemOwn = false;
  94                     NDalicManualPINVOKE.delete_ViewLayoutDirectionChangedSignal(swigCPtr);
  95                 }
  96                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
  97             }
  98
  99             disposed = true;
 100         }
 101
 102         public bool Empty()
 103         {
 104             bool ret = NDalicManualPINVOKE.ViewLayoutDirectionChangedSignal_Empty(swigCPtr);
 105             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 106             return ret;
 107         }
 108
 109         public uint GetConnectionCount()
 110         {
 111             uint ret = NDalicManualPINVOKE.ViewLayoutDirectionChangedSignal_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(func);
 119             {
 120                 NDalicManualPINVOKE.ViewLayoutDirectionChangedSignal_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(func);
 128             {
 129                 NDalicManualPINVOKE.ViewLayoutDirectionChangedSignal_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(View arg)
 135         {
 136             NDalicManualPINVOKE.ViewLayoutDirectionChangedSignal_Emit(swigCPtr, View.getCPtr(arg));
 137             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 138         }
 139
 140         public ViewLayoutDirectionChangedSignal() : this(NDalicManualPINVOKE.new_ViewLayoutDirectionChangedSignal(), true)
 141         {
 142             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 143         }
 144
 145     }
 146 }