src/Tizen.NUI/src/internal/ObjectRegistry.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     using System;
  22     using System.Runtime.InteropServices;
  23
  24
  25     internal class ObjectRegistry : BaseHandle
  26     {
  27         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  28
  29         internal ObjectRegistry(global::System.IntPtr cPtr, bool cMemoryOwn) : base(NDalicPINVOKE.ObjectRegistry_SWIGUpcast(cPtr), cMemoryOwn)
  30         {
  31             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
  32         }
  33
  34         internal static global::System.Runtime.InteropServices.HandleRef getCPtr(ObjectRegistry obj)
  35         {
  36             return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
  37         }
  38
  39         protected override void Dispose(DisposeTypes type)
  40         {
  41             if (disposed)
  42             {
  43                 return;
  44             }
  45
  46             if (type == DisposeTypes.Explicit)
  47             {
  48                 //Called by User
  49                 //Release your own managed resources here.
  50                 //You should release all of your own disposable objects here.
  51
  52             }
  53
  54             //Release your own unmanaged resources here.
  55             //You should not access any managed member here except static instance.
  56             //because the execution order of Finalizes is non-deterministic.
  57
  58             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  59             {
  60                 if (swigCMemOwn)
  61                 {
  62                     swigCMemOwn = false;
  63                     NDalicPINVOKE.delete_ObjectRegistry(swigCPtr);
  64                 }
  65                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
  66             }
  67
  68             base.Dispose(type);
  69         }
  70
  71
  72         public class ObjectCreatedEventArgs : EventArgs
  73         {
  74             private BaseHandle _baseHandle;
  75
  76             public BaseHandle BaseHandle
  77             {
  78                 get
  79                 {
  80                     return _baseHandle;
  81                 }
  82                 set
  83                 {
  84                     _baseHandle = value;
  85                 }
  86             }
  87         }
  88
  89         public class ObjectDestroyedEventArgs : EventArgs
  90         {
  91             private RefObject _refObject;
  92
  93             public RefObject RefObject
  94             {
  95                 get
  96                 {
  97                     return _refObject;
  98                 }
  99                 set
 100                 {
 101                     _refObject = value;
 102                 }
 103             }
 104         }
 105
 106
 107         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
 108         private delegate void ObjectCreatedEventCallbackDelegate(IntPtr baseHandle);
 109         private DaliEventHandler<object, ObjectCreatedEventArgs> _objectRegistryObjectCreatedEventHandler;
 110         private ObjectCreatedEventCallbackDelegate _objectRegistryObjectCreatedEventCallbackDelegate;
 111
 112         [UnmanagedFunctionPointer(CallingConvention.StdCall)]
 113         private delegate void ObjectDestroyedEventCallbackDelegate(IntPtr fefObject);
 114         private DaliEventHandler<object, ObjectDestroyedEventArgs> _objectRegistryObjectDestroyedEventHandler;
 115         private ObjectDestroyedEventCallbackDelegate _objectRegistryObjectDestroyedEventCallbackDelegate;
 116
 117         public event DaliEventHandler<object, ObjectCreatedEventArgs> ObjectCreated
 118         {
 119             add
 120             {
 121                 lock (this)
 122                 {
 123                     // Restricted to only one listener
 124                     if (_objectRegistryObjectCreatedEventHandler == null)
 125                     {
 126                         _objectRegistryObjectCreatedEventHandler += value;
 127
 128                         _objectRegistryObjectCreatedEventCallbackDelegate = new ObjectCreatedEventCallbackDelegate(OnObjectCreated);
 129                         this.ObjectCreatedSignal().Connect(_objectRegistryObjectCreatedEventCallbackDelegate);
 130                     }
 131                 }
 132             }
 133
 134             remove
 135             {
 136                 lock (this)
 137                 {
 138                     if (_objectRegistryObjectCreatedEventHandler != null)
 139                     {
 140                         this.ObjectCreatedSignal().Disconnect(_objectRegistryObjectCreatedEventCallbackDelegate);
 141                     }
 142
 143                     _objectRegistryObjectCreatedEventHandler -= value;
 144                 }
 145             }
 146         }
 147
 148         // Callback for ObjectRegistry ObjectCreatedSignal
 149         private void OnObjectCreated(IntPtr baseHandle)
 150         {
 151             ObjectCreatedEventArgs e = new ObjectCreatedEventArgs();
 152
 153             // Populate all members of "e" (ObjectCreatedEventArgs) with real data
 154             //e.BaseHandle = BaseHandle.GetBaseHandleFromPtr(baseHandle); //GetBaseHandleFromPtr() is not present in BaseHandle.cs. Not sure what is the reason?
 155
 156             if (_objectRegistryObjectCreatedEventHandler != null)
 157             {
 158                 //here we send all data to user event handlers
 159                 _objectRegistryObjectCreatedEventHandler(this, e);
 160             }
 161         }
 162
 163         public event DaliEventHandler<object, ObjectDestroyedEventArgs> ObjectDestroyed
 164         {
 165             add
 166             {
 167                 lock (this)
 168                 {
 169                     // Restricted to only one listener
 170                     if (_objectRegistryObjectDestroyedEventHandler == null)
 171                     {
 172                         _objectRegistryObjectDestroyedEventHandler += value;
 173
 174                         _objectRegistryObjectDestroyedEventCallbackDelegate = new ObjectDestroyedEventCallbackDelegate(OnObjectDestroyed);
 175                         this.ObjectDestroyedSignal().Connect(_objectRegistryObjectDestroyedEventCallbackDelegate);
 176                     }
 177                 }
 178             }
 179
 180             remove
 181             {
 182                 lock (this)
 183                 {
 184                     if (_objectRegistryObjectDestroyedEventHandler != null)
 185                     {
 186                         this.ObjectDestroyedSignal().Disconnect(_objectRegistryObjectDestroyedEventCallbackDelegate);
 187                     }
 188
 189                     _objectRegistryObjectDestroyedEventHandler -= value;
 190                 }
 191             }
 192         }
 193
 194         // Callback for ObjectRegistry ObjectDestroyedSignal
 195         private void OnObjectDestroyed(IntPtr refObject)
 196         {
 197             ObjectDestroyedEventArgs e = new ObjectDestroyedEventArgs();
 198
 199             // Populate all members of "e" (ObjectDestroyedEventArgs) with real data
 200             e.RefObject = RefObject.GetRefObjectFromPtr(refObject);
 201
 202             if (_objectRegistryObjectDestroyedEventHandler != null)
 203             {
 204                 //here we send all data to user event handlers
 205                 _objectRegistryObjectDestroyedEventHandler(this, e);
 206             }
 207         }
 208
 209
 210         public ObjectRegistry() : this(NDalicPINVOKE.new_ObjectRegistry__SWIG_0(), true)
 211         {
 212             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 213         }
 214
 215         public ObjectRegistry(ObjectRegistry handle) : this(NDalicPINVOKE.new_ObjectRegistry__SWIG_1(ObjectRegistry.getCPtr(handle)), true)
 216         {
 217             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 218         }
 219
 220         public ObjectRegistry Assign(ObjectRegistry rhs)
 221         {
 222             ObjectRegistry ret = new ObjectRegistry(NDalicPINVOKE.ObjectRegistry_Assign(swigCPtr, ObjectRegistry.getCPtr(rhs)), false);
 223             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 224             return ret;
 225         }
 226
 227         public ObjectCreatedSignal ObjectCreatedSignal()
 228         {
 229             ObjectCreatedSignal ret = new ObjectCreatedSignal(NDalicPINVOKE.ObjectRegistry_ObjectCreatedSignal(swigCPtr), false);
 230             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 231             return ret;
 232         }
 233
 234         public ObjectDestroyedSignal ObjectDestroyedSignal()
 235         {
 236             ObjectDestroyedSignal ret = new ObjectDestroyedSignal(NDalicPINVOKE.ObjectRegistry_ObjectDestroyedSignal(swigCPtr), false);
 237             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 238             return ret;
 239         }
 240
 241     }
 242
 243 }