sync with devel/master branch

[platform/core/csapi/tizenfx.git] / src / Tizen.NUI / src / internal / Item.cs

diff --git a/src/Tizen.NUI/src/internal/Item.cs b/src/Tizen.NUI/src/internal/Item.cs
index 5f15536..32022ea 100755 (executable)
--- a/src/Tizen.NUI/src/internal/Item.cs
+++ b/src/Tizen.NUI/src/internal/Item.cs
@@ -8,80 +8,137 @@
 // the SWIG interface file instead.
 //------------------------------------------------------------------------------
 
-namespace Tizen.NUI {
+namespace Tizen.NUI
+{
     using Tizen.NUI.BaseComponents;
-    public class Item : global::System.IDisposable {
-  private global::System.Runtime.InteropServices.HandleRef swigCPtr;
-  protected bool swigCMemOwn;
-
-  internal Item(global::System.IntPtr cPtr, bool cMemoryOwn) {
-    swigCMemOwn = cMemoryOwn;
-    swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
-  }
-
-  internal static global::System.Runtime.InteropServices.HandleRef getCPtr(Item obj) {
-    return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
-  }
-
-  ~Item() {
-    DisposeQueue.Instance.Add(this);
-  }
-
-  public virtual void Dispose() {
-    if (!Window.IsInstalled()) {
-      DisposeQueue.Instance.Add(this);
-      return;
-    }
+    public class Item : global::System.IDisposable
+    {
+        private global::System.Runtime.InteropServices.HandleRef swigCPtr;
+        protected bool swigCMemOwn;
 
-    lock(this) {
-      if (swigCPtr.Handle != global::System.IntPtr.Zero) {
-        if (swigCMemOwn) {
-          swigCMemOwn = false;
-          NDalicPINVOKE.delete_Item(swigCPtr);
+        internal Item(global::System.IntPtr cPtr, bool cMemoryOwn)
+        {
+            swigCMemOwn = cMemoryOwn;
+            swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
         }
-        swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
-      }
-      global::System.GC.SuppressFinalize(this);
-    }
-  }
-
-  public Item() : this(NDalicPINVOKE.new_Item__SWIG_0(), true) {
-    if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-  }
-
-  public Item(uint t, View u) : this(NDalicPINVOKE.new_Item__SWIG_1(t, View.getCPtr(u)), true) {
-    if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-  }
-
-  public Item(Item p) : this(NDalicPINVOKE.new_Item__SWIG_2(Item.getCPtr(p)), true) {
-    if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-  }
-
-  public uint first {
-    set {
-      NDalicPINVOKE.Item_first_set(swigCPtr, value);
-      if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-    } 
-    get {
-      uint ret = NDalicPINVOKE.Item_first_get(swigCPtr);
-      if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-      return ret;
-    } 
-  }
-
-  public View second {
-    set {
-      NDalicPINVOKE.Item_second_set(swigCPtr, View.getCPtr(value));
-      if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-    } 
-    get {
-      global::System.IntPtr cPtr = NDalicPINVOKE.Item_second_get(swigCPtr);
-      View ret = (cPtr == global::System.IntPtr.Zero) ? null : new View(cPtr, false);
-      if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-      return ret;
-    } 
-  }
 
-}
+        internal static global::System.Runtime.InteropServices.HandleRef getCPtr(Item obj)
+        {
+            return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
+        }
+
+        //A Flag to check who called Dispose(). (By User or DisposeQueue)
+        private bool isDisposeQueued = false;
+        //A Flat to check if it is already disposed.
+        protected bool disposed = false;
+
+
+        ~Item()
+        {
+            if (!isDisposeQueued)
+            {
+                isDisposeQueued = true;
+                DisposeQueue.Instance.Add(this);
+            }
+        }
+
+        public void Dispose()
+        {
+            //Throw excpetion if Dispose() is called in separate thread.
+            if (!Window.IsInstalled())
+            {
+                throw new System.InvalidOperationException("This API called from separate thread. This API must be called from MainThread.");
+            }
+
+            if (isDisposeQueued)
+            {
+                Dispose(DisposeTypes.Implicit);
+            }
+            else
+            {
+                Dispose(DisposeTypes.Explicit);
+                System.GC.SuppressFinalize(this);
+            }
+        }
+
+        protected virtual void Dispose(DisposeTypes type)
+        {
+            if (disposed)
+            {
+                return;
+            }
+
+            if (type == DisposeTypes.Explicit)
+            {
+                //Called by User
+                //Release your own managed resources here.
+                //You should release all of your own disposable objects here.
+
+            }
+
+            //Release your own unmanaged resources here.
+            //You should not access any managed member here except static instance.
+            //because the execution order of Finalizes is non-deterministic.
+
+            if (swigCPtr.Handle != global::System.IntPtr.Zero)
+            {
+                if (swigCMemOwn)
+                {
+                    swigCMemOwn = false;
+                    NDalicPINVOKE.delete_Item(swigCPtr);
+                }
+                swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
+            }
+
+            disposed = true;
+        }
+
+        public Item() : this(NDalicPINVOKE.new_Item__SWIG_0(), true)
+        {
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        public Item(uint t, View u) : this(NDalicPINVOKE.new_Item__SWIG_1(t, View.getCPtr(u)), true)
+        {
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        public Item(Item p) : this(NDalicPINVOKE.new_Item__SWIG_2(Item.getCPtr(p)), true)
+        {
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        public uint first
+        {
+            set
+            {
+                NDalicPINVOKE.Item_first_set(swigCPtr, value);
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            }
+            get
+            {
+                uint ret = NDalicPINVOKE.Item_first_get(swigCPtr);
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+                return ret;
+            }
+        }
+
+        public View second
+        {
+            set
+            {
+                NDalicPINVOKE.Item_second_set(swigCPtr, View.getCPtr(value));
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            }
+            get
+            {
+                global::System.IntPtr cPtr = NDalicPINVOKE.Item_second_get(swigCPtr);
+                View ret = (cPtr == global::System.IntPtr.Zero) ? null : new View(cPtr, false);
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+                return ret;
+            }
+        }
+
+    }
 
 }