Release 4.0.0-preview1-00301
[platform/core/csapi/tizenfx.git] / src / Tizen.NUI / src / internal / VoidSignal.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 VoidSignal : global::System.IDisposable
22     {
23         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
24         protected bool swigCMemOwn;
25
26         internal VoidSignal(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(VoidSignal 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
43         ~VoidSignal()
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
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                     NDalicPINVOKE.delete_VoidSignal(swigCPtr);
96                 }
97                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
98             }
99
100             disposed = true;
101         }
102
103
104         public VoidSignal() : this(NDalicPINVOKE.new_VoidSignal(), true)
105         {
106             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
107         }
108
109         public bool Empty()
110         {
111             bool ret = NDalicPINVOKE.VoidSignal_Empty(swigCPtr);
112             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
113             return ret;
114         }
115
116         public uint GetConnectionCount()
117         {
118             uint ret = NDalicPINVOKE.VoidSignal_GetConnectionCount(swigCPtr);
119             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
120             return ret;
121         }
122
123         public void Connect(System.Delegate func)
124         {
125             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
126             {
127                 NDalicPINVOKE.VoidSignal_Connect__SWIG_0(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
128                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
129             }
130         }
131
132         public void Disconnect(System.Delegate func)
133         {
134             System.IntPtr ip = System.Runtime.InteropServices.Marshal.GetFunctionPointerForDelegate<System.Delegate>(func);
135             {
136                 NDalicPINVOKE.VoidSignal_Disconnect(swigCPtr, new System.Runtime.InteropServices.HandleRef(this, ip));
137                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
138             }
139         }
140
141         internal void Connect(ConnectionTrackerInterface connectionTracker, SWIGTYPE_p_Dali__FunctorDelegate arg1)
142         {
143             NDalicPINVOKE.VoidSignal_Connect__SWIG_4(swigCPtr, ConnectionTrackerInterface.getCPtr(connectionTracker), SWIGTYPE_p_Dali__FunctorDelegate.getCPtr(arg1));
144             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
145         }
146
147         public void Emit()
148         {
149             NDalicPINVOKE.VoidSignal_Emit(swigCPtr);
150             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
151         }
152
153     }
154
155 }