2 * Copyright(c) 2017 Samsung Electronics Co., Ltd.
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
18 using System.Runtime.InteropServices;
19 using System.ComponentModel;
24 internal class SignalObserver : global::System.IDisposable
26 private global::System.Runtime.InteropServices.HandleRef swigCPtr;
30 /// <since_tizen> 4 </since_tizen>
31 protected bool swigCMemOwn;
33 internal SignalObserver(global::System.IntPtr cPtr, bool cMemoryOwn)
35 swigCMemOwn = cMemoryOwn;
36 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
39 internal static global::System.Runtime.InteropServices.HandleRef getCPtr(SignalObserver obj)
41 return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
44 //A Flag to check who called Dispose(). (By User or DisposeQueue)
45 private bool isDisposeQueued = false;
47 /// A Flat to check if it is already disposed.
49 /// <since_tizen> 4 </since_tizen>
50 protected bool disposed = false;
55 /// <since_tizen> 3 </since_tizen>
60 isDisposeQueued = true;
61 DisposeQueue.Instance.Add(this);
68 /// <since_tizen> 4 </since_tizen>
71 //Throw excpetion if Dispose() is called in separate thread.
72 if (!Window.IsInstalled())
74 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
79 Dispose(DisposeTypes.Implicit);
83 Dispose(DisposeTypes.Explicit);
84 System.GC.SuppressFinalize(this);
91 /// <since_tizen> 4 </since_tizen>
92 protected virtual void Dispose(DisposeTypes type)
99 if (type == DisposeTypes.Explicit)
102 //Release your own managed resources here.
103 //You should release all of your own disposable objects here.
107 //Release your own unmanaged resources here.
108 //You should not access any managed member here except static instance.
109 //because the execution order of Finalizes is non-deterministic.
111 if (swigCPtr.Handle != global::System.IntPtr.Zero)
116 Interop.SignalObserver.delete_SignalObserver(swigCPtr);
118 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
125 /// This method is called when the signal is disconnecting.
127 /// <param name="slotObserver">The signal that has disconnected</param>
128 /// <param name="callback">The callback attached to the signal disconnected</param>
129 /// <since_tizen> 4 </since_tizen>
130 public virtual void SignalDisconnected(SlotObserver slotObserver, SWIGTYPE_p_Dali__CallbackBase callback)
132 Interop.SignalObserver.SignalObserver_SignalDisconnected(swigCPtr, SlotObserver.getCPtr(slotObserver), SWIGTYPE_p_Dali__CallbackBase.getCPtr(callback));
133 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();