src/Tizen.NUI/src/internal/ItemFactory.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 System.Reflection;
  19
  20 namespace Tizen.NUI
  21 {
  22     using Tizen.NUI.BaseComponents;
  23     internal class ItemFactory : global::System.IDisposable
  24     {
  25         private global::System.Runtime.InteropServices.HandleRef swigCPtr;
  26         protected bool swigCMemOwn;
  27
  28         internal ItemFactory(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(ItemFactory 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
  45         ~ItemFactory()
  46         {
  47             if (!isDisposeQueued)
  48             {
  49                 isDisposeQueued = true;
  50                 DisposeQueue.Instance.Add(this);
  51             }
  52         }
  53
  54         public void Dispose()
  55         {
  56             //Throw excpetion if Dispose() is called in separate thread.
  57             if (!Window.IsInstalled())
  58             {
  59                 throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
  60             }
  61
  62             if (isDisposeQueued)
  63             {
  64                 Dispose(DisposeTypes.Implicit);
  65             }
  66             else
  67             {
  68                 Dispose(DisposeTypes.Explicit);
  69                 System.GC.SuppressFinalize(this);
  70             }
  71         }
  72
  73         protected virtual void Dispose(DisposeTypes type)
  74         {
  75             if (disposed)
  76             {
  77                 return;
  78             }
  79
  80             if (type == DisposeTypes.Explicit)
  81             {
  82                 //Called by User
  83                 //Release your own managed resources here.
  84                 //You should release all of your own disposable objects here.
  85
  86             }
  87
  88             //Release your own unmanaged resources here.
  89             //You should not access any managed member here except static instance.
  90             //because the execution order of Finalizes is non-deterministic.
  91
  92             if (swigCPtr.Handle != global::System.IntPtr.Zero)
  93             {
  94                 if (swigCMemOwn)
  95                 {
  96                     swigCMemOwn = false;
  97                     Interop.ItemFactory.delete_ItemFactory(swigCPtr);
  98                 }
  99                 swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
 100             }
 101
 102             disposed = true;
 103         }
 104
 105         public virtual uint GetNumberOfItems()
 106         {
 107             uint ret = Interop.ItemFactory.ItemFactory_GetNumberOfItems(swigCPtr);
 108             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 109             return ret;
 110         }
 111
 112         public virtual View NewItem(uint itemId)
 113         {
 114             View ret = new View(Interop.ItemFactory.ItemFactory_NewItem(swigCPtr, itemId), true);
 115             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 116             return ret;
 117         }
 118
 119         public virtual void ItemReleased(uint itemId, View view)
 120         {
 121             if (SwigDerivedClassHasMethod("ItemReleased", swigMethodTypes2)) Interop.ItemFactory.ItemFactory_ItemReleasedSwigExplicitItemFactory(swigCPtr, itemId, View.getCPtr(view)); else Interop.ItemFactory.ItemFactory_ItemReleased(swigCPtr, itemId, View.getCPtr(view));
 122             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 123         }
 124
 125         public ItemFactory() : this(Interop.ItemFactory.new_ItemFactory(), true)
 126         {
 127             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 128             SwigDirectorConnect();
 129         }
 130
 131         private void SwigDirectorConnect()
 132         {
 133             if (SwigDerivedClassHasMethod("GetNumberOfItems", swigMethodTypes0))
 134                 swigDelegate0 = new SwigDelegateItemFactory_0(SwigDirectorGetNumberOfItems);
 135             if (SwigDerivedClassHasMethod("NewItem", swigMethodTypes1))
 136                 swigDelegate1 = new SwigDelegateItemFactory_1(SwigDirectorNewItem);
 137             if (SwigDerivedClassHasMethod("ItemReleased", swigMethodTypes2))
 138                 swigDelegate2 = new SwigDelegateItemFactory_2(SwigDirectorItemReleased);
 139             Interop.ItemFactory.ItemFactory_director_connect(swigCPtr, swigDelegate0, swigDelegate1, swigDelegate2);
 140         }
 141
 142         private bool SwigDerivedClassHasMethod(string methodName, global::System.Type[] methodTypes)
 143         {
 144             global::System.Reflection.MethodInfo methodInfo = this.GetType().GetMethod(methodName, methodTypes);
 145             bool hasDerivedMethod = this.GetType().GetTypeInfo().IsSubclassOf(typeof(ItemFactory));
 146             NUILog.Debug("hasDerivedMethod=" + hasDerivedMethod);
 147             return hasDerivedMethod && (methodInfo != null);
 148         }
 149
 150         private uint SwigDirectorGetNumberOfItems()
 151         {
 152             return GetNumberOfItems();
 153         }
 154
 155         private global::System.IntPtr SwigDirectorNewItem(uint itemId)
 156         {
 157             return View.getCPtr(NewItem(itemId)).Handle;
 158         }
 159
 160         private void SwigDirectorItemReleased(uint itemId, global::System.IntPtr actor)
 161         {
 162             ItemReleased(itemId, new View(actor, true));
 163         }
 164
 165         /// <since_tizen> 3 </since_tizen>
 166         public delegate uint SwigDelegateItemFactory_0();
 167         /// <since_tizen> 3 </since_tizen>
 168         public delegate global::System.IntPtr SwigDelegateItemFactory_1(uint itemId);
 169         /// <since_tizen> 3 </since_tizen>
 170         public delegate void SwigDelegateItemFactory_2(uint itemId, global::System.IntPtr actor);
 171
 172         private SwigDelegateItemFactory_0 swigDelegate0;
 173         private SwigDelegateItemFactory_1 swigDelegate1;
 174         private SwigDelegateItemFactory_2 swigDelegate2;
 175
 176         private static global::System.Type[] swigMethodTypes0 = new global::System.Type[] { };
 177         private static global::System.Type[] swigMethodTypes1 = new global::System.Type[] { typeof(uint) };
 178         private static global::System.Type[] swigMethodTypes2 = new global::System.Type[] { typeof(uint), typeof(View) };
 179     }
 180
 181 }