src/Tizen.NUI/src/internal/VideoViewSignal.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     internal class VideoViewSignal : global::System.IDisposable {
  23   private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  24   protected bool swigCMemOwn;
  25
  26   internal VideoViewSignal(global::System.IntPtr cPtr, bool cMemoryOwn) {
  27     swigCMemOwn = cMemoryOwn;
  28     swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  29   }
  30
  31   internal static global::System.Runtime.InteropServices.HandleRef getCPtr(VideoViewSignal obj) {
  32     return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  33   }
  34
  35         //A Flag to check who called Dispose(). (By User or DisposeQueue)
  36         private bool isDisposeQueued = false;
  37         //A Flat to check if it is already disposed.
  38         protected bool disposed = false;
  39
  40
  41         ~VideoViewSignal()
  42         {
  43             if (!isDisposeQueued)
  44             {
  45                 isDisposeQueued = true;
  46                 DisposeQueue.Instance.Add(this);
  47             }
  48         }
  49
  50         public void Dispose()
  51         {
  52             //Throw excpetion if Dispose() is called in separate thread.
  53             if (!Window.IsInstalled())
  54             {
  55                 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
  56             }
  57
  58             if (isDisposeQueued)
  59             {
  60                 Dispose(DisposeTypes.Implicit);
  61             }
  62             else
  63             {
  64                 Dispose(DisposeTypes.Explicit);
  65                 System.GC.SuppressFinalize(this);
  66             }
  67         }
  68
  69         protected virtual void Dispose(DisposeTypes type)
  70         {
  71             if (disposed)
  72             {
  73                 return;
  74             }
  75
  76             if (type == DisposeTypes.Explicit)
  77             {
  78                 //Called by User
  79                 //Release your own managed resources here.
  80                 //You should release all of your own disposable objects here.
  81
  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.VideoView.delete_VideoViewSignal(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     bool ret = Interop.VideoView.VideoViewSignal_Empty(swigCPtr);
 104     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 105     return ret;
 106   }
 107
 108   public uint GetConnectionCount() {
 109     uint ret = Interop.VideoView.VideoViewSignal_GetConnectionCount(swigCPtr);
 110     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 111     return ret;
 112   }
 113
 114   public void Connect(System.Delegate func) {
 115 System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 116     {
 117       Interop.VideoView.VideoViewSignal_Connect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 118       if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 119     }
 120   }
 121
 122   public void Disconnect(System.Delegate func) {
 123 System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
 124     {
 125       Interop.VideoView.VideoViewSignal_Disconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
 126       if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 127     }
 128   }
 129
 130   public void Emit(VideoView arg) {
 131     Interop.VideoView.VideoViewSignal_Emit(swigCPtr, VideoView.getCPtr(arg));
 132     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 133   }
 134
 135   public VideoViewSignal() : this(Interop.VideoView.new_VideoViewSignal(), true) {
 136     if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 137   }
 138
 139 }
 140
 141 }