src/Tizen.NUI/src/internal/ViewLayoutDirectionChangedSignal.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 using Tizen.NUI.BaseComponents;
  19
  20 namespace Tizen.NUI
  21 {
  22
  23     internal class ViewLayoutDirectionChangedSignal : global::System.IDisposable
  24     {
  25         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  26         protected bool swigCMemOwn;
  27
  28         internal ViewLayoutDirectionChangedSignal(global::System.IntPtr cPtr, bool cMemoryOwn)
  29         {
  30             swigCMemOwn = cMemoryOwn;
  31             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  32         }
  33
  34         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ViewLayoutDirectionChangedSignal obj)
  35         {
  36             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  37         }
  38
  39         //A Flag to check who called Dispose(). (By User or DisposeQueue)
  40         private bool isDisposeQueued = false;
  41         //A Flat to check if it is already disposed.
  42         protected bool disposed = false;
  43
  44         ~ViewLayoutDirectionChangedSignal()
  45         {
  46             if (!isDisposeQueued)
  47             {
  48                 isDisposeQueued = true;
  49                 DisposeQueue.Instance.Add(this);
  50             }
  51         }
  52
  53         public void Dispose()
  54         {
  55             //Throw excpetion if Dispose() is called in separate thread.
  56             if (!Window.IsInstalled())
  57             {
  58                 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
  59             }
  60
  61             if (isDisposeQueued)
  62             {
  63                 Dispose(DisposeTypes.Implicit);
  64             }
  65             else
  66             {
  67                 Dispose(DisposeTypes.Explicit);
  68                 System.GC.SuppressFinalize(this);
  69             }
  70         }
  71
  72         protected virtual void Dispose(DisposeTypes type)
  73         {
  74             if (disposed)
  75             {
  76                 return;
  77             }
  78
  79             if (type == DisposeTypes.Explicit)
  80             {
  81                 //Called by User
  82                 //Release your own managed resources here.
  83                 //You should release all of your own disposable objects here.
  84             }
  85
  86             //Release your own unmanaged resources here.
  87             //You should not access any managed member here except static instance.
  88             //because the execution order of Finalizes is non-deterministic.
  89
  90             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  91             {
  92                 if (swigCMemOwn)
  93                 {
  94                     swigCMemOwn = false;
  95                     Interop.Layout.delete_ViewLayoutDirectionChangedSignal(swigCPtr);
  96                 }
  97                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
  98             }
  99
 100             disposed = true;
 101         }
 102
 103         public bool Empty()
 104         {
 105             bool ret = Interop.Layout.ViewLayoutDirectionChangedSignal_Empty(swigCPtr);
 106             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 107             return ret;
 108         }
 109
 110         public uint GetConnectionCount()
 111         {
 112             uint ret = Interop.Layout.ViewLayoutDirectionChangedSignal_GetConnectionCount(swigCPtr);
 113             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 114             return ret;
 115         }
 116
 117         public void Connect(System.Delegate func)
 118         {
 119             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(func);
 120             {
 121                 Interop.Layout.ViewLayoutDirectionChangedSignal_Connect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 122                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 123             }
 124         }
 125
 126         public void Disconnect(System.Delegate func)
 127         {
 128             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate(func);
 129             {
 130                 Interop.Layout.ViewLayoutDirectionChangedSignal_Disconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 131                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 132             }
 133         }
 134
 135         public void Emit(View arg)
 136         {
 137             Interop.Layout.ViewLayoutDirectionChangedSignal_Emit(swigCPtr, View.getCPtr(arg));
 138             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 139         }
 140
 141         public ViewLayoutDirectionChangedSignal() : this(Interop.Layout.new_ViewLayoutDirectionChangedSignal(), true)
 142         {
 143             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 144         }
 145
 146     }
 147 }