sync with devel/master branch

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

diff --git a/src/Tizen.NUI/src/internal/CustomAlgorithmInterface.cs b/src/Tizen.NUI/src/internal/CustomAlgorithmInterface.cs
index ab7f7ab..850be0f 100755 (executable)
--- a/src/Tizen.NUI/src/internal/CustomAlgorithmInterface.cs
+++ b/src/Tizen.NUI/src/internal/CustomAlgorithmInterface.cs
@@ -15,65 +15,118 @@ using System.Reflection;
 
 using Tizen.NUI.BaseComponents;
 
-namespace Tizen.NUI {
+namespace Tizen.NUI
+{
+
+    internal class CustomAlgorithmInterface : global::System.IDisposable
+    {
+        private global::System.Runtime.InteropServices.HandleRef swigCPtr;
+        protected bool swigCMemOwn;
+
+        internal CustomAlgorithmInterface(global::System.IntPtr cPtr, bool cMemoryOwn)
+        {
+            swigCMemOwn = cMemoryOwn;
+            swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
+        }
 
-internal class CustomAlgorithmInterface : global::System.IDisposable {
-  private global::System.Runtime.InteropServices.HandleRef swigCPtr;
-  protected bool swigCMemOwn;
+        internal static global::System.Runtime.InteropServices.HandleRef getCPtr(CustomAlgorithmInterface obj)
+        {
+            return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
+        }
 
-  internal CustomAlgorithmInterface(global::System.IntPtr cPtr, bool cMemoryOwn) {
-    swigCMemOwn = cMemoryOwn;
-    swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
-  }
+        //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;
 
-  internal static global::System.Runtime.InteropServices.HandleRef getCPtr(CustomAlgorithmInterface obj) {
-    return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
-  }
 
-  ~CustomAlgorithmInterface() {
-    DisposeQueue.Instance.Add(this);
-  }
+        ~CustomAlgorithmInterface()
+        {
+            if (!isDisposeQueued)
+            {
+                isDisposeQueued = true;
+                DisposeQueue.Instance.Add(this);
+            }
+        }
 
-  public virtual void Dispose() {
-    if (!Window.IsInstalled()) {
-      DisposeQueue.Instance.Add(this);
-      return;
-    }
-    lock(this) {
-      if (swigCPtr.Handle != global::System.IntPtr.Zero) {
-        if (swigCMemOwn) {
-          swigCMemOwn = false;
-          NDalicPINVOKE.delete_CustomAlgorithmInterface(swigCPtr);
+        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);
+            }
         }
-        swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
-      }
-      global::System.GC.SuppressFinalize(this);
-    }
-  }
 
-  public virtual View GetNextFocusableView(View current, View proposed, View.FocusDirection direction) {
-    View ret = new View(NDalicPINVOKE.CustomAlgorithmInterface_GetNextFocusableActor(swigCPtr, View.getCPtr(current), View.getCPtr(proposed), (int)direction), true);
-    if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-    return ret;
-  }
+        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_CustomAlgorithmInterface(swigCPtr);
+                }
+                swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
+            }
+
+            disposed = true;
+        }
 
-  public CustomAlgorithmInterface() : this(NDalicPINVOKE.new_CustomAlgorithmInterface(), true) {
-    if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-    SwigDirectorConnect();
-  }
+        public virtual View GetNextFocusableView(View current, View proposed, View.FocusDirection direction)
+        {
+            View ret = new View(NDalicPINVOKE.CustomAlgorithmInterface_GetNextFocusableActor(swigCPtr, View.getCPtr(current), View.getCPtr(proposed), (int)direction), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-  private void SwigDirectorConnect() {
-    if (SwigDerivedClassHasMethod("GetNextFocusableView", swigMethodTypes0))
-      swigDelegate0 = new SwigDelegateCustomAlgorithmInterface_0(SwigDirectorGetNextFocusableView);
-    NDalicPINVOKE.CustomAlgorithmInterface_director_connect(swigCPtr, swigDelegate0);
-  }
+        public CustomAlgorithmInterface() : this(NDalicPINVOKE.new_CustomAlgorithmInterface(), true)
+        {
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            SwigDirectorConnect();
+        }
+
+        private void SwigDirectorConnect()
+        {
+            if (SwigDerivedClassHasMethod("GetNextFocusableView", swigMethodTypes0))
+                swigDelegate0 = new SwigDelegateCustomAlgorithmInterface_0(SwigDirectorGetNextFocusableView);
+            NDalicPINVOKE.CustomAlgorithmInterface_director_connect(swigCPtr, swigDelegate0);
+        }
 
 #if DOT_NET_CORE
-  private bool SwigDerivedClassHasMethod(string methodName, global::System.Type[] methodTypes) {
-    global::System.Reflection.MethodInfo methodInfo = this.GetType().GetMethod(methodName, methodTypes);
-    bool hasDerivedMethod = this.GetType().GetTypeInfo().IsSubclassOf(typeof(CustomAlgorithmInterface));
-    return hasDerivedMethod && (methodInfo != null);
-  }
+        private bool SwigDerivedClassHasMethod(string methodName, global::System.Type[] methodTypes)
+        {
+            global::System.Reflection.MethodInfo methodInfo = this.GetType().GetMethod(methodName, methodTypes);
+            bool hasDerivedMethod = this.GetType().GetTypeInfo().IsSubclassOf(typeof(CustomAlgorithmInterface));
+            return hasDerivedMethod && (methodInfo != null);
+        }
 #else
   private bool SwigDerivedClassHasMethod(string methodName, global::System.Type[] methodTypes) {
     global::System.Reflection.MethodInfo methodInfo = this.GetType().GetMethod(methodName, global::System.Reflection.BindingFlags.Public | global::System.Reflection.BindingFlags.NonPublic | global::System.Reflection.BindingFlags.Instance, null, methodTypes, null);
@@ -82,15 +135,16 @@ internal class CustomAlgorithmInterface : global::System.IDisposable {
   }
 #endif
 
-  private global::System.IntPtr SwigDirectorGetNextFocusableView(global::System.IntPtr current, global::System.IntPtr proposed, int direction) {
-    return View.getCPtr(GetNextFocusableView(new View(current, true), new View(proposed, true), (View.FocusDirection)direction)).Handle;
-  }
+        private global::System.IntPtr SwigDirectorGetNextFocusableView(global::System.IntPtr current, global::System.IntPtr proposed, int direction)
+        {
+            return View.getCPtr(GetNextFocusableView(new View(current, true), new View(proposed, true), (View.FocusDirection)direction)).Handle;
+        }
 
-  public delegate global::System.IntPtr SwigDelegateCustomAlgorithmInterface_0(global::System.IntPtr current, global::System.IntPtr proposed, int direction);
+        public delegate global::System.IntPtr SwigDelegateCustomAlgorithmInterface_0(global::System.IntPtr current, global::System.IntPtr proposed, int direction);
 
-  private SwigDelegateCustomAlgorithmInterface_0 swigDelegate0;
+        private SwigDelegateCustomAlgorithmInterface_0 swigDelegate0;
 
-  private static global::System.Type[] swigMethodTypes0 = new global::System.Type[] { typeof(View), typeof(View), typeof(View.FocusDirection) };
-}
+        private static global::System.Type[] swigMethodTypes0 = new global::System.Type[] { typeof(View), typeof(View), typeof(View.FocusDirection) };
+    }
 
 }