X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=src%2FTizen.NUI%2Fsrc%2Fpublic%2FWindow.cs;h=7da98b043f99abcf5caaf0508131762113e0c905;hb=ff607138dfabd4cfa5ab3ffe1af249f807b70cae;hp=bf53c0a02f142fa1c7283f695702e206c1690b1f;hpb=e2d68735ebe04978569bd61546d1f2269c40a430;p=platform%2Fcore%2Fcsapi%2Ftizenfx.git

diff --git a/src/Tizen.NUI/src/public/Window.cs b/src/Tizen.NUI/src/public/Window.cs
old mode 100644
new mode 100755
index bf53c0a..7da98b0
--- a/src/Tizen.NUI/src/public/Window.cs
+++ b/src/Tizen.NUI/src/public/Window.cs
@@ -1,5 +1,7 @@
+
+
 /*
- * Copyright(c) 2017 Samsung Electronics Co., Ltd.
+ * Copyright(c) 2019 Samsung Electronics Co., Ltd.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -18,6 +20,7 @@ using System;
 using System.Runtime.InteropServices;
 using Tizen.NUI.BaseComponents;
 using System.ComponentModel;
+using System.Collections.Generic;
 
 namespace Tizen.NUI
 {
@@ -32,282 +35,417 @@ namespace Tizen.NUI
         private global::System.Runtime.InteropServices.HandleRef stageCPtr;
         private Layer _rootLayer;
         private string _windowTitle;
+        private List<Layer> _childLayers = new List<Layer>();
+        private WindowFocusChangedEventCallbackType _windowFocusChangedEventCallback;
+        private RootLayerTouchDataCallbackType _rootLayerTouchDataCallback;
+        private WheelEventCallbackType _wheelEventCallback;
+        private EventCallbackDelegateType1 _stageKeyCallbackDelegate;
+        private EventCallbackDelegateType0 _stageEventProcessingFinishedEventCallbackDelegate;
+        private EventHandler _stageContextLostEventHandler;
+        private EventCallbackDelegateType0 _stageContextLostEventCallbackDelegate;
+        private EventHandler _stageContextRegainedEventHandler;
+        private EventCallbackDelegateType0 _stageContextRegainedEventCallbackDelegate;
+        private EventHandler _stageSceneCreatedEventHandler;
+        private EventCallbackDelegateType0 _stageSceneCreatedEventCallbackDelegate;
+        private WindowResizedEventCallbackType _windowResizedEventCallback;
+        private WindowFocusChangedEventCallbackType _windowFocusChangedEventCallback2;
+
+        private static readonly Window instance = Application.Instance?.GetWindow();
 
-        internal Window(global::System.IntPtr cPtr, bool cMemoryOwn) : base(NDalicPINVOKE.Window_SWIGUpcast(cPtr), cMemoryOwn)
+        private LayoutController localController;
+
+        internal Window(global::System.IntPtr cPtr, bool cMemoryOwn) : base(Interop.Window.Window_SWIGUpcast(cPtr), cMemoryOwn)
         {
             swigCPtr = new global::System.Runtime.InteropServices.HandleRef(this, cPtr);
-            if (NDalicPINVOKE.Stage_IsInstalled())
+            if (Interop.Stage.Stage_IsInstalled())
             {
-                stageCPtr = new global::System.Runtime.InteropServices.HandleRef(this, NDalicPINVOKE.Stage_GetCurrent());
+                stageCPtr = new global::System.Runtime.InteropServices.HandleRef(this, Interop.Stage.Stage_GetCurrent());
+
+                localController = new LayoutController(this);
+                NUILog.Debug("layoutController id:" + localController.GetId() );
             }
         }
 
-        internal static global::System.Runtime.InteropServices.HandleRef getCPtr(Window obj)
+        /// <summary>
+        /// Creates a new Window.<br />
+        /// This creates an extra window in addition to the default main window<br />
+        /// </summary>
+        /// <param name="windowPosition">The position and size of the Window.</param>
+        /// <param name="isTranslucent">Whether Window is translucent.</param>
+        /// <returns>A new Window.</returns>
+        /// <since_tizen> 6 </since_tizen>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public Window(Rectangle windowPosition = null , bool isTranslucent = false) : this(Interop.Window.Window_New__SWIG_0(Rectangle.getCPtr(windowPosition), "", isTranslucent), true)
         {
-            return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
+        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
+        private delegate void WindowFocusChangedEventCallbackType(bool focusGained);
+        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
+        private delegate bool RootLayerTouchDataCallbackType(IntPtr view, IntPtr touchData);
+        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
+        private delegate bool WheelEventCallbackType(IntPtr view, IntPtr wheelEvent);
+        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
+        private delegate void WindowResizedEventCallbackType(IntPtr windowSize);
+        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
+        private delegate void WindowFocusChangedEventCallbackType2(bool focusGained);
+
         /// <summary>
-        /// To make the window instance be disposed.
+        /// FocusChanged event.
         /// </summary>
-        /// Please DO NOT use! This will be deprecated!
-        /// Dispose() method in Singletone classes (ex: FocusManager, StyleManager, VisualFactory, IMFManager, TtsPlayer, Window) is not required.
-        /// Because it is Sigletone, so it is alive for one thread until the NUI is terminated, so it never be disposed.
         /// <since_tizen> 3 </since_tizen>
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        protected override void Dispose(DisposeTypes type)
+        public event EventHandler<FocusChangedEventArgs> FocusChanged
         {
-            if (disposed)
+            add
             {
-                return;
-            }
+                if (_windowFocusChangedEventHandler == null)
+                {
+                    _windowFocusChangedEventCallback = OnWindowFocusedChanged;
+                    WindowFocusChangedSignal().Connect(_windowFocusChangedEventCallback);
+                }
 
-            if (type == DisposeTypes.Explicit)
-            {
-                //Called by User
-                //Release your own managed resources here.
-                //You should release all of your own disposable objects here.
+                _windowFocusChangedEventHandler += value;
             }
-
-            //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 (_windowFocusChangedEventCallback != null)
+            remove
             {
-                WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback);
-            }
+                _windowFocusChangedEventHandler -= value;
 
-            if (_stageTouchCallbackDelegate != null)
-            {
-                TouchSignal().Disconnect(_stageTouchCallbackDelegate);
+                if (_windowFocusChangedEventHandler == null && WindowFocusChangedSignal().Empty() == false && _windowFocusChangedEventCallback != null)
+                {
+                    WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback);
+                }
             }
+        }
 
-            if (_stageWheelCallbackDelegate != null)
+        /// <summary>
+        /// This event is emitted when the screen is touched and when the touch ends.<br />
+        /// If there are multiple touch points, then this will be emitted when the first touch occurs and
+        /// then when the last finger is lifted.<br />
+        /// An interrupted event will also be emitted (if it occurs).<br />
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public event EventHandler<TouchEventArgs> TouchEvent
+        {
+            add
             {
-                WheelEventSignal().Disconnect(_stageWheelCallbackDelegate);
+                if (_rootLayerTouchDataEventHandler == null)
+                {
+                    _rootLayerTouchDataCallback = OnWindowTouch;
+                    this.TouchDataSignal().Connect(_rootLayerTouchDataCallback);
+                }
+                _rootLayerTouchDataEventHandler += value;
             }
-
-            if (_stageKeyCallbackDelegate != null)
+            remove
             {
-                KeyEventSignal().Disconnect(_stageKeyCallbackDelegate);
+                _rootLayerTouchDataEventHandler -= value;
+                if (_rootLayerTouchDataEventHandler == null && TouchSignal().Empty() == false)
+                {
+                    this.TouchDataSignal().Disconnect(_rootLayerTouchDataCallback);
+                }
             }
+        }
 
-            if (_stageEventProcessingFinishedEventCallbackDelegate != null)
+        /// <summary>
+        /// This event is emitted when the wheel event is received.
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public event EventHandler<WheelEventArgs> WheelEvent
+        {
+            add
             {
-                EventProcessingFinishedSignal().Disconnect(_stageEventProcessingFinishedEventCallbackDelegate);
+                if (_stageWheelHandler == null)
+                {
+                    _wheelEventCallback = OnStageWheel;
+                    this.StageWheelEventSignal().Connect(_wheelEventCallback);
+                }
+                _stageWheelHandler += value;
             }
-
-            if (_stageContextLostEventCallbackDelegate != null)
+            remove
             {
-                ContextLostSignal().Disconnect(_stageContextLostEventCallbackDelegate);
+                _stageWheelHandler -= value;
+                if (_stageWheelHandler == null && StageWheelEventSignal().Empty() == false)
+                {
+                    this.StageWheelEventSignal().Disconnect(_wheelEventCallback);
+                }
             }
+        }
 
-            if (_stageContextRegainedEventCallbackDelegate != null)
+        /// <summary>
+        /// This event is emitted when the key event is received.
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public event EventHandler<KeyEventArgs> KeyEvent
+        {
+            add
             {
-                this.ContextRegainedSignal().Disconnect(_stageContextRegainedEventCallbackDelegate);
+                if (_stageKeyHandler == null)
+                {
+                    _stageKeyCallbackDelegate = OnStageKey;
+                    KeyEventSignal().Connect(_stageKeyCallbackDelegate);
+                }
+                _stageKeyHandler += value;
             }
-
-            if (_stageSceneCreatedEventCallbackDelegate != null)
+            remove
             {
-                SceneCreatedSignal().Disconnect(_stageSceneCreatedEventCallbackDelegate);
+                _stageKeyHandler -= value;
+                if (_stageKeyHandler == null && KeyEventSignal().Empty() == false)
+                {
+                    KeyEventSignal().Disconnect(_stageKeyCallbackDelegate);
+                }
             }
+        }
 
-            if (_windowResizedEventCallback != null)
+        /// <summary>
+        /// This event is emitted when the window resized.
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public event EventHandler<ResizedEventArgs> Resized
+        {
+            add
             {
-                ResizedSignal().Disconnect(_windowResizedEventCallback);
-            }
+                if (_windowResizedEventHandler == null)
+                {
+                    _windowResizedEventCallback = OnResized;
+                    ResizedSignal().Connect(_windowResizedEventCallback);
+                }
 
-            if (_windowFocusChangedEventCallback2 != null)
-            {
-                WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback2);
+                _windowResizedEventHandler += value;
             }
-
-            if (swigCPtr.Handle != global::System.IntPtr.Zero)
+            remove
             {
-                if (swigCMemOwn)
+                _windowResizedEventHandler -= value;
+
+                if (_windowResizedEventHandler == null && ResizedSignal().Empty() == false && _windowResizedEventCallback != null)
                 {
-                    swigCMemOwn = false;
-                    NDalicPINVOKE.delete_Window(swigCPtr);
-                    NDalicPINVOKE.delete_Stage(stageCPtr);
+                    ResizedSignal().Disconnect(_windowResizedEventCallback);
                 }
-                swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
             }
-
-            base.Dispose(type);
-        }
-
-        internal static Window GetCurrent()
-        {
-            Window ret = new Window(NDalicPINVOKE.Stage_GetCurrent(), true);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        internal static bool IsInstalled()
-        {
-            bool ret = NDalicPINVOKE.Stage_IsInstalled();
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
         }
 
         /// <summary>
-        /// Sets whether the window accepts a focus or not.
+        /// Please do not use! this will be deprecated. Please use 'FocusChanged' event instead.
         /// </summary>
-        /// <param name="accept">If a focus is accepted or not. The default is true.</param>
         /// <since_tizen> 3 </since_tizen>
-        public void SetAcceptFocus(bool accept)
+        /// Please do not use! this will be deprecated!
+        /// Instead please use FocusChanged.
+        [Obsolete("Please do not use! This will be deprecated! Please use FocusChanged instead! " +
+            "Like: " +
+            "Window.Instance.FocusChanged = OnFocusChanged; " +
+            "private void OnFocusChanged(object source, Window.FocusChangedEventArgs args) {...}")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public event EventHandler<FocusChangedEventArgs> WindowFocusChanged
         {
-            NDalicPINVOKE.SetAcceptFocus(swigCPtr, accept);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-        }
+            add
+            {
+                if (_windowFocusChangedEventHandler2 == null)
+                {
+                    _windowFocusChangedEventCallback2 = OnWindowFocusedChanged2;
+                    WindowFocusChangedSignal().Connect(_windowFocusChangedEventCallback2);
+                }
 
-        /// <summary>
-        /// Returns whether the window accepts a focus or not.
-        /// </summary>
-        /// <returns>True if the window accepts a focus, false otherwise.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public bool IsFocusAcceptable()
-        {
-            bool ret = NDalicPINVOKE.IsFocusAcceptable(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+                _windowFocusChangedEventHandler2 += value;
+            }
+            remove
+            {
+                _windowFocusChangedEventHandler2 -= value;
 
-            return ret;
+                if (_windowFocusChangedEventHandler2 == null && WindowFocusChangedSignal().Empty() == false && _windowFocusChangedEventCallback2 != null)
+                {
+                    WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback2);
+                }
+            }
         }
 
         /// <summary>
-        /// Shows the window if it is hidden.
+        /// ViewAdded will be triggered when the view added on Window
         /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public void Show()
-        {
-            NDalicPINVOKE.Show(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-        }
+        /// <since_tizen> 6 </since_tizen>
+        /// This will be public opened in tizen_5.5 after ACR done. Before ACR, need to be hidden as inhouse API.
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public event EventHandler ViewAdded;
 
-        /// <summary>
-        /// Hides the window if it is showing.
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public void Hide()
+        internal void SendViewAdded(View view)
         {
-            NDalicPINVOKE.Hide(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            ViewAdded?.Invoke(view, EventArgs.Empty);
         }
 
-        /// <summary>
-        /// Retrieves whether the window is visible or not.
-        /// </summary>
-        /// <returns>True if the window is visible.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public bool IsVisible()
+        internal event EventHandler EventProcessingFinished
         {
-            bool temp = NDalicPINVOKE.IsVisible(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return temp;
-        }
+            add
+            {
+                if (_stageEventProcessingFinishedEventHandler == null)
+                {
+                    _stageEventProcessingFinishedEventCallbackDelegate = OnEventProcessingFinished;
+                    EventProcessingFinishedSignal().Connect(_stageEventProcessingFinishedEventCallbackDelegate);
+                }
+                _stageEventProcessingFinishedEventHandler += value;
 
-        /// <summary>
-        /// Gets the count of supported auxiliary hints of the window.
-        /// </summary>
-        /// <returns>The number of supported auxiliary hints.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public uint GetSupportedAuxiliaryHintCount()
-        {
-            uint ret = NDalicPINVOKE.GetSupportedAuxiliaryHintCount(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            }
+            remove
+            {
+                _stageEventProcessingFinishedEventHandler -= value;
+                if (_stageEventProcessingFinishedEventHandler == null && EventProcessingFinishedSignal().Empty() == false)
+                {
+                    EventProcessingFinishedSignal().Disconnect(_stageEventProcessingFinishedEventCallbackDelegate);
+                }
+            }
         }
 
-        /// <summary>
-        /// Gets the supported auxiliary hint string of the window.
-        /// </summary>
-        /// <param name="index">The index of the supported auxiliary hint lists.</param>
-        /// <returns>The auxiliary hint string of the index.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public string GetSupportedAuxiliaryHint(uint index)
+        internal event EventHandler ContextLost
         {
-            string ret = NDalicPINVOKE.GetSupportedAuxiliaryHint(swigCPtr, index);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            add
+            {
+                if (_stageContextLostEventHandler == null)
+                {
+                    _stageContextLostEventCallbackDelegate = OnContextLost;
+                    ContextLostSignal().Connect(_stageContextLostEventCallbackDelegate);
+                }
+                _stageContextLostEventHandler += value;
+            }
+            remove
+            {
+                _stageContextLostEventHandler -= value;
+                if (_stageContextLostEventHandler == null && ContextLostSignal().Empty() == false)
+                {
+                    ContextLostSignal().Disconnect(_stageContextLostEventCallbackDelegate);
+                }
+            }
         }
 
-        /// <summary>
-        /// Creates an auxiliary hint of the window.
-        /// </summary>
-        /// <param name="hint">The auxiliary hint string.</param>
-        /// <param name="value">The value string.</param>
-        /// <returns>The ID of created auxiliary hint, or 0 on failure.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public uint AddAuxiliaryHint(string hint, string value)
+        internal event EventHandler ContextRegained
         {
-            uint ret = NDalicPINVOKE.AddAuxiliaryHint(swigCPtr, hint, value);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            add
+            {
+                if (_stageContextRegainedEventHandler == null)
+                {
+                    _stageContextRegainedEventCallbackDelegate = OnContextRegained;
+                    ContextRegainedSignal().Connect(_stageContextRegainedEventCallbackDelegate);
+                }
+                _stageContextRegainedEventHandler += value;
+            }
+            remove
+            {
+                _stageContextRegainedEventHandler -= value;
+                if (_stageContextRegainedEventHandler == null && ContextRegainedSignal().Empty() == false)
+                {
+                    this.ContextRegainedSignal().Disconnect(_stageContextRegainedEventCallbackDelegate);
+                }
+            }
+        }
+
+        internal event EventHandler SceneCreated
+        {
+            add
+            {
+                if (_stageSceneCreatedEventHandler == null)
+                {
+                    _stageSceneCreatedEventCallbackDelegate = OnSceneCreated;
+                    SceneCreatedSignal().Connect(_stageSceneCreatedEventCallbackDelegate);
+                }
+                _stageSceneCreatedEventHandler += value;
+            }
+            remove
+            {
+                _stageSceneCreatedEventHandler -= value;
+                if (_stageSceneCreatedEventHandler == null && SceneCreatedSignal().Empty() == false)
+                {
+                    SceneCreatedSignal().Disconnect(_stageSceneCreatedEventCallbackDelegate);
+                }
+            }
         }
 
+        private event EventHandler<FocusChangedEventArgs> _windowFocusChangedEventHandler;
+        private event EventHandler<TouchEventArgs> _rootLayerTouchDataEventHandler;
+        private event EventHandler<WheelEventArgs> _stageWheelHandler;
+        private event EventHandler<KeyEventArgs> _stageKeyHandler;
+        private event EventHandler _stageEventProcessingFinishedEventHandler;
+        private event EventHandler<ResizedEventArgs> _windowResizedEventHandler;
+        private event EventHandler<FocusChangedEventArgs> _windowFocusChangedEventHandler2;
+
         /// <summary>
-        /// Removes an auxiliary hint of the window.
+        /// Enumeration for orientation of the window is the way in which a rectangular page is oriented for normal viewing.
         /// </summary>
-        /// <param name="id">The ID of the auxiliary hint.</param>
-        /// <returns>True if no error occurred, false otherwise.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public bool RemoveAuxiliaryHint(uint id)
+        public enum WindowOrientation
         {
-            bool ret = NDalicPINVOKE.RemoveAuxiliaryHint(swigCPtr, id);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            /// <summary>
+            /// Portrait orientation. The height of the display area is greater than the width.
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            Portrait = 0,
+            /// <summary>
+            /// Landscape orientation. A wide view area is needed.
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            Landscape = 90,
+            /// <summary>
+            /// Portrait inverse orientation.
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            PortraitInverse = 180,
+            /// <summary>
+            /// Landscape inverse orientation.
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            LandscapeInverse = 270
         }
 
         /// <summary>
-        /// Changes a value of the auxiliary hint.
+        /// Enumeration for the key grab mode for platform-level APIs.
         /// </summary>
-        /// <param name="id">The auxiliary hint ID.</param>
-        /// <param name="value">The value string to be set.</param>
-        /// <returns>True if no error occurred, false otherwise.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public bool SetAuxiliaryHintValue(uint id, string value)
+        public enum KeyGrabMode
         {
-            bool ret = NDalicPINVOKE.SetAuxiliaryHintValue(swigCPtr, id, value);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
+            /// <summary>
+            /// Grabs a key only when on the top of the grabbing-window stack mode.
+            /// </summary>
+            Topmost = 0,
+            /// <summary>
+            /// Grabs a key together with the other client window(s) mode.
+            /// </summary>
+            Shared,
+            /// <summary>
+            /// Grabs a key exclusively regardless of the grabbing-window's position on the window stack with the possibility of overriding the grab by the other client window mode.
+            /// </summary>
+            OverrideExclusive,
+            /// <summary>
+            /// Grabs a key exclusively regardless of the grabbing-window's position on the window stack mode.
+            /// </summary>
+            Exclusive
+        };
 
         /// <summary>
-        /// Gets a value of the auxiliary hint.
+        /// Enumeration for opacity of the indicator.
         /// </summary>
-        /// <param name="id">The auxiliary hint ID.</param>
-        /// <returns>The string value of the auxiliary hint ID, or an empty string if none exists.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public string GetAuxiliaryHintValue(uint id)
+        internal enum IndicatorBackgroundOpacity
         {
-            string ret = NDalicPINVOKE.GetAuxiliaryHintValue(swigCPtr, id);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            Opaque = 100,
+            Translucent = 50,
+            Transparent = 0
         }
 
         /// <summary>
-        /// Gets an ID of the auxiliary hint string.
+        /// Enumeration for visible mode of the indicator.
         /// </summary>
-        /// <param name="hint">The auxiliary hint string.</param>
-        /// <returns>The ID of auxiliary hint string, or 0 on failure.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public uint GetAuxiliaryHintId(string hint)
+        internal enum IndicatorVisibleMode
         {
-            uint ret = NDalicPINVOKE.GetAuxiliaryHintId(swigCPtr, hint);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            Invisible = 0,
+            Visible = 1,
+            Auto = 2
         }
 
         /// <summary>
-        /// Sets a region to accept input events.
+        /// The stage instance property (read-only).<br />
+        /// Gets the current window.<br />
         /// </summary>
-        /// <param name="inputRegion">The region to accept input events.</param>
         /// <since_tizen> 3 </since_tizen>
-        public void SetInputRegion(Rectangle inputRegion)
+        public static Window Instance
         {
-            NDalicPINVOKE.SetInputRegion(swigCPtr, Rectangle.getCPtr(inputRegion));
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            get
+            {
+                return instance;
+            }
         }
 
         /// <summary>
@@ -318,550 +456,564 @@ namespace Tizen.NUI
         {
             get
             {
-                WindowType ret = (WindowType)NDalicPINVOKE.GetType(swigCPtr);
+                WindowType ret = (WindowType)Interop.Window.GetType(swigCPtr);
                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
                 return ret;
             }
             set
             {
-                NDalicPINVOKE.SetType(swigCPtr, (int)value);
+                Interop.Window.SetType(swigCPtr, (int)value);
                 if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             }
         }
 
         /// <summary>
-        /// Sets a priority level for the specified notification window.
+        /// Gets/Sets a window title.
         /// </summary>
-        /// <param name="level">The notification window level.</param>
-        /// <returns>True if no error occurred, false otherwise.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public bool SetNotificationLevel(NotificationLevel level)
+        /// <since_tizen> 4 </since_tizen>
+        public string Title
         {
-            bool ret = NDalicPINVOKE.SetNotificationLevel(swigCPtr, (int)level);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            get
+            {
+                return _windowTitle;
+            }
+            set
+            {
+                _windowTitle = value;
+                SetClass(_windowTitle, "");
+            }
         }
 
         /// <summary>
-        /// Gets a priority level for the specified notification window.
+        /// The rendering behavior of a Window.
         /// </summary>
-        /// <returns>The notification window level.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public NotificationLevel GetNotificationLevel()
+        /// <since_tizen> 5 </since_tizen>
+        public RenderingBehaviorType RenderingBehavior
         {
-            NotificationLevel ret = (NotificationLevel)NDalicPINVOKE.GetNotificationLevel(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            get
+            {
+                return GetRenderingBehavior();
+            }
+            set
+            {
+                SetRenderingBehavior(value);
+            }
         }
 
         /// <summary>
-        /// Sets a transparent window's visual state to opaque.
+        /// The window size property (read-only).
         /// </summary>
-        /// <param name="opaque">Whether the window's visual state is opaque.</param>
         /// <since_tizen> 3 </since_tizen>
-        public void SetOpaqueState(bool opaque)
+        public Size2D Size
         {
-            NDalicPINVOKE.SetOpaqueState(swigCPtr, opaque);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            get
+            {
+                Size2D ret = GetSize();
+                return ret;
+            }
         }
 
         /// <summary>
-        /// Returns whether a transparent window's visual state is opaque or not.
+        /// The background color property.
         /// </summary>
-        /// <returns>True if the window's visual state is opaque, false otherwise.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public bool IsOpaqueState()
+        public Color BackgroundColor
         {
-            bool ret = NDalicPINVOKE.IsOpaqueState(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            set
+            {
+                SetBackgroundColor(value);
+            }
+            get
+            {
+                Color ret = GetBackgroundColor();
+                return ret;
+            }
         }
 
         /// <summary>
-        /// Sets a window's screen off mode.
+        /// The DPI property (read-only).<br />
+        /// Retrieves the DPI of the display device to which the Window is connected.<br />
         /// </summary>
-        /// <param name="screenOffMode">The screen mode.</param>
-        /// <returns>True if no error occurred, false otherwise.</returns>
-        /// <since_tizen> 4 </since_tizen>
-        public bool SetScreenOffMode(ScreenOffMode screenOffMode)
+        /// <since_tizen> 3 </since_tizen>
+        public Vector2 Dpi
         {
-            bool ret = NDalicPINVOKE.SetScreenOffMode(swigCPtr, (int)screenOffMode);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            get
+            {
+                return GetDpi();
+            }
         }
 
         /// <summary>
-        /// Gets the screen mode of the window.
+        /// The layer count property (read-only).<br />
+        /// Queries the number of on-Window layers.<br />
         /// </summary>
-        /// <returns>The screen off mode.</returns>
-        /// <since_tizen> 4 </since_tizen>
-        public ScreenOffMode GetScreenOffMode()
+        /// <since_tizen> 3 </since_tizen>
+        public uint LayerCount
         {
-            ScreenOffMode ret = (ScreenOffMode)NDalicPINVOKE.GetScreenOffMode(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            get
+            {
+                return GetLayerCount();
+            }
         }
 
         /// <summary>
-        /// Sets preferred brightness of the window.
+        /// Gets or sets a size of the window.
         /// </summary>
-        /// <param name="brightness">The preferred brightness (0 to 100).</param>
-        /// <returns>True if no error occurred, false otherwise.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public bool SetBrightness(int brightness)
-        {
-            bool ret = NDalicPINVOKE.SetBrightness(swigCPtr, brightness);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        /// <summary>
-        /// Gets the preferred brightness of the window.
-        /// </summary>
-        /// <returns>The preferred brightness.</returns>
-        /// <since_tizen> 3 </since_tizen>
-        public int GetBrightness()
-        {
-            int ret = NDalicPINVOKE.GetBrightness(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        /// <summary>
-        /// The focus changed event argument.
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public class FocusChangedEventArgs : EventArgs
+        /// <since_tizen> 4 </since_tizen>
+        public Size2D WindowSize
         {
-            /// <summary>
-            /// FocusGained flag.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            public bool FocusGained
+            get
             {
-                get;
-                set;
+                return GetWindowSize();
+            }
+            set
+            {
+                SetWindowSize(value);
             }
         }
 
-        private WindowFocusChangedEventCallbackType _windowFocusChangedEventCallback;
-        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
-        private delegate void WindowFocusChangedEventCallbackType(bool focusGained);
-        private event EventHandler<FocusChangedEventArgs> _windowFocusChangedEventHandler;
-
         /// <summary>
-        /// FocusChanged event.
+        /// Gets or sets a position of the window.
         /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public event EventHandler<FocusChangedEventArgs> FocusChanged
+        /// <since_tizen> 4 </since_tizen>
+        public Position2D WindowPosition
         {
-            add
+            get
             {
-                if (_windowFocusChangedEventHandler == null)
-                {
-                    _windowFocusChangedEventCallback = OnWindowFocusedChanged;
-                    WindowFocusChangedSignal().Connect(_windowFocusChangedEventCallback);
-                }
-
-                _windowFocusChangedEventHandler += value;
+                return GetPosition();
             }
-            remove
+            set
             {
-                _windowFocusChangedEventHandler -= value;
-
-                if (_windowFocusChangedEventHandler == null && WindowFocusChangedSignal().Empty() == false && _windowFocusChangedEventCallback != null)
-                {
-                    WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback);
-                }
+                SetPosition(value);
             }
         }
-
-        private void OnWindowFocusedChanged(bool focusGained)
+        internal static Vector4 DEFAULT_BACKGROUND_COLOR
         {
-            FocusChangedEventArgs e = new FocusChangedEventArgs();
-
-            e.FocusGained = focusGained;
-
-            if (_windowFocusChangedEventHandler != null)
+            get
             {
-                _windowFocusChangedEventHandler(this, e);
+                global::System.IntPtr cPtr = Interop.Stage.Stage_DEFAULT_BACKGROUND_COLOR_get();
+                Vector4 ret = (cPtr == global::System.IntPtr.Zero) ? null : new Vector4(cPtr, false);
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+                return ret;
             }
         }
 
-        /// <summary>
-        /// Gets/Sets a window title.
-        /// </summary>
-        /// <since_tizen> 4 </since_tizen>
-        public string Title
+        internal static Vector4 DEBUG_BACKGROUND_COLOR
         {
             get
             {
-                return _windowTitle;
-            }
-            set
-            {
-                _windowTitle = value;
-                SetClass(_windowTitle, "");
+                global::System.IntPtr cPtr = Interop.Stage.Stage_DEBUG_BACKGROUND_COLOR_get();
+                Vector4 ret = (cPtr == global::System.IntPtr.Zero) ? null : new Vector4(cPtr, false);
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+                return ret;
             }
         }
 
-        internal WindowFocusSignalType WindowFocusChangedSignal()
+        internal List<Layer> LayersChildren
         {
-            WindowFocusSignalType ret = new WindowFocusSignalType(NDalicPINVOKE.FocusChangedSignal(swigCPtr), false);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            get
+            {
+                return _childLayers;
+            }
         }
 
-        internal Window(Rectangle windowPosition, string name, bool isTransparent) : this(NDalicPINVOKE.Window_New__SWIG_0(Rectangle.getCPtr(windowPosition), name, isTransparent), true)
+        internal LayoutController LayoutController
         {
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            get
+            {
+                return localController;
+            }
         }
 
-        internal Window(Rectangle windowPosition, string name) : this(NDalicPINVOKE.Window_New__SWIG_1(Rectangle.getCPtr(windowPosition), name), true)
+        /// <summary>
+        /// Feed a key-event into the window.
+        /// </summary>
+        /// <param name="keyEvent">The key event to feed.</param>
+        /// <since_tizen> 4 </since_tizen>
+        [Obsolete("Please do not use! This will be deprecated! Please use FeedKey(Key keyEvent) instead!")]
+        public static void FeedKeyEvent(Key keyEvent)
         {
+            Interop.Window.Window_FeedKeyEvent(Key.getCPtr(keyEvent));
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
-        internal Window(Rectangle windowPosition, string name, string className, bool isTransparent) : this(NDalicPINVOKE.Window_New__SWIG_2(Rectangle.getCPtr(windowPosition), name, className, isTransparent), true)
+        /// <summary>
+        /// Sets whether the window accepts a focus or not.
+        /// </summary>
+        /// <param name="accept">If a focus is accepted or not. The default is true.</param>
+        /// <since_tizen> 3 </since_tizen>
+        public void SetAcceptFocus(bool accept)
         {
+            Interop.Window.SetAcceptFocus(swigCPtr, accept);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
-        internal Window(Rectangle windowPosition, string name, string className) : this(NDalicPINVOKE.Window_New__SWIG_3(Rectangle.getCPtr(windowPosition), name, className), true)
+        /// <summary>
+        /// Returns whether the window accepts a focus or not.
+        /// </summary>
+        /// <returns>True if the window accepts a focus, false otherwise.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public bool IsFocusAcceptable()
         {
+            bool ret = Interop.Window.IsFocusAcceptable(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-        }
 
-        internal void ShowIndicator(Window.IndicatorVisibleMode visibleMode)
-        {
-            NDalicPINVOKE.Window_ShowIndicator(swigCPtr, (int)visibleMode);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        internal void SetIndicatorBackgroundOpacity(Window.IndicatorBackgroundOpacity opacity)
+        /// <summary>
+        /// Shows the window if it is hidden.
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public void Show()
         {
-            NDalicPINVOKE.Window_SetIndicatorBgOpacity(swigCPtr, (int)opacity);
+            Interop.Window.Show(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
-        internal void RotateIndicator(Window.WindowOrientation orientation)
+        /// <summary>
+        /// Hides the window if it is showing.
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public void Hide()
         {
-            NDalicPINVOKE.Window_RotateIndicator(swigCPtr, (int)orientation);
+            Interop.Window.Hide(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
         /// <summary>
-        /// Sets the window name and the class string.
+        /// Retrieves whether the window is visible or not.
         /// </summary>
-        /// <param name="name">The name of the window.</param>
-        /// <param name="klass">The class of the window.</param>
-        /// <since_tizen> 4 </since_tizen>
-        public void SetClass(string name, string klass)
+        /// <returns>True if the window is visible.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public bool IsVisible()
         {
-            NDalicPINVOKE.Window_SetClass(swigCPtr, name, klass);
+            bool temp = Interop.Window.IsVisible(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return temp;
         }
 
         /// <summary>
-        /// Raises the window to the top of the window stack.
+        /// Gets the count of supported auxiliary hints of the window.
         /// </summary>
+        /// <returns>The number of supported auxiliary hints.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public void Raise()
+        public uint GetSupportedAuxiliaryHintCount()
         {
-            NDalicPINVOKE.Window_Raise(swigCPtr);
+            uint ret = Interop.Window.GetSupportedAuxiliaryHintCount(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
         /// <summary>
-        /// Lowers the window to the bottom of the window stack.
+        /// Gets the supported auxiliary hint string of the window.
         /// </summary>
+        /// <param name="index">The index of the supported auxiliary hint lists.</param>
+        /// <returns>The auxiliary hint string of the index.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public void Lower()
+        public string GetSupportedAuxiliaryHint(uint index)
         {
-            NDalicPINVOKE.Window_Lower(swigCPtr);
+            string ret = Interop.Window.GetSupportedAuxiliaryHint(swigCPtr, index);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
         /// <summary>
-        /// Activates the window to the top of the window stack even it is iconified.
+        /// Creates an auxiliary hint of the window.
         /// </summary>
+        /// <param name="hint">The auxiliary hint string.</param>
+        /// <param name="value">The value string.</param>
+        /// <returns>The ID of created auxiliary hint, or 0 on failure.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public void Activate()
+        public uint AddAuxiliaryHint(string hint, string value)
         {
-            NDalicPINVOKE.Window_Activate(swigCPtr);
+            uint ret = Interop.Window.AddAuxiliaryHint(swigCPtr, hint, value);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        internal void AddAvailableOrientation(Window.WindowOrientation orientation)
+        /// <summary>
+        /// Removes an auxiliary hint of the window.
+        /// </summary>
+        /// <param name="id">The ID of the auxiliary hint.</param>
+        /// <returns>True if no error occurred, false otherwise.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public bool RemoveAuxiliaryHint(uint id)
         {
-            NDalicPINVOKE.Window_AddAvailableOrientation(swigCPtr, (int)orientation);
+            bool ret = Interop.Window.RemoveAuxiliaryHint(swigCPtr, id);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        internal void RemoveAvailableOrientation(Window.WindowOrientation orientation)
+        /// <summary>
+        /// Changes a value of the auxiliary hint.
+        /// </summary>
+        /// <param name="id">The auxiliary hint ID.</param>
+        /// <param name="value">The value string to be set.</param>
+        /// <returns>True if no error occurred, false otherwise.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public bool SetAuxiliaryHintValue(uint id, string value)
         {
-            NDalicPINVOKE.Window_RemoveAvailableOrientation(swigCPtr, (int)orientation);
+            bool ret = Interop.Window.SetAuxiliaryHintValue(swigCPtr, id, value);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        internal void SetPreferredOrientation(Window.WindowOrientation orientation)
+        /// <summary>
+        /// Gets a value of the auxiliary hint.
+        /// </summary>
+        /// <param name="id">The auxiliary hint ID.</param>
+        /// <returns>The string value of the auxiliary hint ID, or an empty string if none exists.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public string GetAuxiliaryHintValue(uint id)
         {
-            NDalicPINVOKE.Window_SetPreferredOrientation(swigCPtr, (int)orientation);
+            string ret = Interop.Window.GetAuxiliaryHintValue(swigCPtr, id);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        internal Window.WindowOrientation GetPreferredOrientation()
+        /// <summary>
+        /// Gets an ID of the auxiliary hint string.
+        /// </summary>
+        /// <param name="hint">The auxiliary hint string.</param>
+        /// <returns>The ID of auxiliary hint string, or 0 on failure.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public uint GetAuxiliaryHintId(string hint)
         {
-            Window.WindowOrientation ret = (Window.WindowOrientation)NDalicPINVOKE.Window_GetPreferredOrientation(swigCPtr);
+            uint ret = Interop.Window.GetAuxiliaryHintId(swigCPtr, hint);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
-        internal DragAndDropDetector GetDragAndDropDetector()
+        /// <summary>
+        /// Sets a region to accept input events.
+        /// </summary>
+        /// <param name="inputRegion">The region to accept input events.</param>
+        /// <since_tizen> 3 </since_tizen>
+        public void SetInputRegion(Rectangle inputRegion)
         {
-            DragAndDropDetector ret = new DragAndDropDetector(NDalicPINVOKE.Window_GetDragAndDropDetector(swigCPtr), true);
+            Interop.Window.SetInputRegion(swigCPtr, Rectangle.getCPtr(inputRegion));
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
         }
 
-        internal Any GetNativeHandle()
+        /// <summary>
+        /// Sets a priority level for the specified notification window.
+        /// </summary>
+        /// <param name="level">The notification window level.</param>
+        /// <returns>True if no error occurred, false otherwise.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public bool SetNotificationLevel(NotificationLevel level)
         {
-            Any ret = new Any(NDalicPINVOKE.Window_GetNativeHandle(swigCPtr), true);
+            bool ret = Interop.Window.SetNotificationLevel(swigCPtr, (int)level);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
-        internal WindowFocusSignalType FocusChangedSignal()
+        /// <summary>
+        /// Gets a priority level for the specified notification window.
+        /// </summary>
+        /// <returns>The notification window level.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public NotificationLevel GetNotificationLevel()
         {
-            WindowFocusSignalType ret = new WindowFocusSignalType(NDalicPINVOKE.FocusChangedSignal(swigCPtr), false);
+            NotificationLevel ret = (NotificationLevel)Interop.Window.GetNotificationLevel(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
         /// <summary>
-        /// Gets the default ( root ) layer.
+        /// Sets a transparent window's visual state to opaque. <br />
+        /// If a visual state of a transparent window is opaque, <br />
+        /// then the window manager could handle it as an opaque window when calculating visibility.
         /// </summary>
-        /// <returns>The root layer.</returns>
+        /// <param name="opaque">Whether the window's visual state is opaque.</param>
+        /// <remarks>This will have no effect on an opaque window. <br />
+        /// It doesn't change transparent window to opaque window but lets the window manager know the visual state of the window.
+        /// </remarks>
         /// <since_tizen> 3 </since_tizen>
-        public Layer GetDefaultLayer()
+        public void SetOpaqueState(bool opaque)
         {
-            return this.GetRootLayer();
+            Interop.Window.SetOpaqueState(swigCPtr, opaque);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
-        internal void Add(Layer layer)
+        /// <summary>
+        /// Returns whether a transparent window's visual state is opaque or not.
+        /// </summary>
+        /// <returns>True if the window's visual state is opaque, false otherwise.</returns>
+        /// <remarks> The return value has no meaning on an opaque window. </remarks>
+        /// <since_tizen> 3 </since_tizen>
+        public bool IsOpaqueState()
         {
-            NDalicPINVOKE.Stage_Add(stageCPtr, Layer.getCPtr(layer));
+            bool ret = Interop.Window.IsOpaqueState(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        internal void Remove(Layer layer)
+        /// <summary>
+        /// Sets a window's screen off mode.
+        /// </summary>
+        /// <param name="screenOffMode">The screen mode.</param>
+        /// <returns>True if no error occurred, false otherwise.</returns>
+        /// <since_tizen> 4 </since_tizen>
+        public bool SetScreenOffMode(ScreenOffMode screenOffMode)
         {
-            NDalicPINVOKE.Stage_Remove(stageCPtr, Layer.getCPtr(layer));
+            bool ret = Interop.Window.SetScreenOffMode(swigCPtr, (int)screenOffMode);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
         /// <summary>
-        /// Add a child view to window.
+        /// Gets the screen mode of the window.
         /// </summary>
-        /// <param name="view">the child should be added to the window.</param>
-        /// <since_tizen> 3 </since_tizen>
-        public void Add(View view)
+        /// <returns>The screen off mode.</returns>
+        /// <since_tizen> 4 </since_tizen>
+        public ScreenOffMode GetScreenOffMode()
         {
-            GetRootLayer()?.Add(view);
+            ScreenOffMode ret = (ScreenOffMode)Interop.Window.GetScreenOffMode(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
         /// <summary>
-        /// Remove a child view from window.
+        /// Sets preferred brightness of the window.
         /// </summary>
-        /// <param name="view">the child to be removed.</param>
+        /// <param name="brightness">The preferred brightness (0 to 100).</param>
+        /// <returns>True if no error occurred, false otherwise.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public void Remove(View view)
-        {
-            GetRootLayer()?.Remove(view);
-        }
-
-        internal Vector2 GetSize()
+        public bool SetBrightness(int brightness)
         {
-            Vector2 ret = new Vector2(NDalicPINVOKE.Stage_GetSize(stageCPtr), true);
+            bool ret = Interop.Window.SetBrightness(swigCPtr, brightness);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
-        internal RenderTaskList GetRenderTaskList()
+        /// <summary>
+        /// Gets the preferred brightness of the window.
+        /// </summary>
+        /// <returns>The preferred brightness.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public int GetBrightness()
         {
-            RenderTaskList ret = new RenderTaskList(NDalicPINVOKE.Stage_GetRenderTaskList(stageCPtr), true);
+            int ret = Interop.Window.GetBrightness(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
         /// <summary>
-        /// Queries the number of on-window layers.
+        /// Sets the window name and the class string.
         /// </summary>
-        /// <returns>The number of layers.</returns>
-        /// <remarks>Note that a default layer is always provided (count >= 1).</remarks>
-        internal uint GetLayerCount()
+        /// <param name="name">The name of the window.</param>
+        /// <param name="klass">The class of the window.</param>
+        /// <since_tizen> 4 </since_tizen>
+        public void SetClass(string name, string klass)
         {
-            uint ret = NDalicPINVOKE.Stage_GetLayerCount(stageCPtr);
+            Interop.Window.Window_SetClass(swigCPtr, name, klass);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
         }
 
         /// <summary>
-        /// Retrieves the layer at a specified depth.
+        /// Raises the window to the top of the window stack.
         /// </summary>
-        /// <param name="depth">The layer's depth index.</param>
-        /// <returns>The layer found at the given depth.</returns>
         /// <since_tizen> 3 </since_tizen>
-        public Layer GetLayer(uint depth)
-        {
-            IntPtr cPtr = NDalicPINVOKE.Stage_GetLayer(stageCPtr, depth);
-            Layer ret = Registry.GetManagedBaseHandleFromNativePtr(cPtr) as Layer;
-
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        internal Layer GetRootLayer()
-        {
-            // Window.IsInstalled() is actually true only when called from event thread and
-            // Core has been initialized, not when Stage is ready.
-            if (_rootLayer == null && Window.IsInstalled())
-            {
-                _rootLayer = new Layer(NDalicPINVOKE.Stage_GetRootLayer(stageCPtr), true);
-                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            }
-            return _rootLayer;
-        }
-
-        internal void SetBackgroundColor(Vector4 color)
-        {
-            NDalicPINVOKE.Stage_SetBackgroundColor(stageCPtr, Vector4.getCPtr(color));
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-        }
-
-        internal Vector4 GetBackgroundColor()
-        {
-            Vector4 ret = new Vector4(NDalicPINVOKE.Stage_GetBackgroundColor(stageCPtr), true);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        internal Vector2 GetDpi()
-        {
-            Vector2 ret = new Vector2(NDalicPINVOKE.Stage_GetDpi(stageCPtr), true);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        internal ObjectRegistry GetObjectRegistry()
+        public void Raise()
         {
-            ObjectRegistry ret = new ObjectRegistry(NDalicPINVOKE.Stage_GetObjectRegistry(stageCPtr), true);
+            Interop.Window.Window_Raise(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
         }
 
         /// <summary>
-        /// Keep rendering for at least the given amount of time.
+        /// Lowers the window to the bottom of the window stack.
         /// </summary>
-        /// <param name="durationSeconds">Time to keep rendering, 0 means render at least one more frame.</param>
         /// <since_tizen> 3 </since_tizen>
-        public void KeepRendering(float durationSeconds)
-        {
-            NDalicPINVOKE.Stage_KeepRendering(stageCPtr, durationSeconds);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-        }
-
-        internal KeyEventSignal KeyEventSignal()
-        {
-            KeyEventSignal ret = new KeyEventSignal(NDalicPINVOKE.Stage_KeyEventSignal(stageCPtr), false);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        internal VoidSignal EventProcessingFinishedSignal()
-        {
-            VoidSignal ret = new VoidSignal(NDalicPINVOKE.Stage_EventProcessingFinishedSignal(stageCPtr), false);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        internal TouchSignal TouchSignal()
-        {
-            TouchSignal ret = new TouchSignal(NDalicPINVOKE.Stage_TouchSignal(stageCPtr), false);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
-
-        private StageWheelSignal WheelEventSignal()
+        public void Lower()
         {
-            StageWheelSignal ret = new StageWheelSignal(NDalicPINVOKE.Stage_WheelEventSignal(stageCPtr), false);
+            Interop.Window.Window_Lower(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
         }
 
-        internal VoidSignal ContextLostSignal()
+        /// <summary>
+        /// Activates the window to the top of the window stack even it is iconified.
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public void Activate()
         {
-            VoidSignal ret = new VoidSignal(NDalicPINVOKE.Stage_ContextLostSignal(stageCPtr), false);
+            Interop.Window.Window_Activate(swigCPtr);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
         }
 
-        internal VoidSignal ContextRegainedSignal()
+        /// <summary>
+        /// Gets the default ( root ) layer.
+        /// </summary>
+        /// <returns>The root layer.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public Layer GetDefaultLayer()
         {
-            VoidSignal ret = new VoidSignal(NDalicPINVOKE.Stage_ContextRegainedSignal(stageCPtr), false);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            return this.GetRootLayer();
         }
 
-        internal VoidSignal SceneCreatedSignal()
+        /// <summary>
+        /// Add a child view to window.
+        /// </summary>
+        /// <param name="view">the child should be added to the window.</param>
+        /// <since_tizen> 3 </since_tizen>
+        public void Add(View view)
         {
-            VoidSignal ret = new VoidSignal(NDalicPINVOKE.Stage_SceneCreatedSignal(stageCPtr), false);
+            Interop.Actor.Actor_Add(Layer.getCPtr(GetRootLayer()), View.getCPtr(view));
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            this.GetRootLayer().AddViewToLayerList(view); // Maintain the children list in the Layer
+            view.InternalParent = this.GetRootLayer();
         }
 
-        internal ResizedSignal ResizedSignal()
+        /// <summary>
+        /// Remove a child view from window.
+        /// </summary>
+        /// <param name="view">the child to be removed.</param>
+        /// <since_tizen> 3 </since_tizen>
+        public void Remove(View view)
         {
-            ResizedSignal ret = new ResizedSignal(NDalicManualPINVOKE.Window_ResizedSignal(swigCPtr), false);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
+            Interop.Actor.Actor_Remove(Layer.getCPtr(GetRootLayer()), View.getCPtr(view));
+            this.GetRootLayer().RemoveViewFromLayerList(view); // Maintain the children list in the Layer
+            view.InternalParent = null;
         }
 
-        internal static Vector4 DEFAULT_BACKGROUND_COLOR
+        /// <summary>
+        /// Retrieves the layer at a specified depth.
+        /// </summary>
+        /// <param name="depth">The layer's depth index.</param>
+        /// <returns>The layer found at the given depth.</returns>
+        /// <since_tizen> 3 </since_tizen>
+        public Layer GetLayer(uint depth)
         {
-            get
+            if (depth < LayersChildren?.Count)
             {
-                global::System.IntPtr cPtr = NDalicPINVOKE.Stage_DEFAULT_BACKGROUND_COLOR_get();
-                Vector4 ret = (cPtr == global::System.IntPtr.Zero) ? null : new Vector4(cPtr, false);
-                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+                Layer ret = LayersChildren?[Convert.ToInt32(depth)];
                 return ret;
             }
-        }
-
-        internal static Vector4 DEBUG_BACKGROUND_COLOR
-        {
-            get
+            else
             {
-                global::System.IntPtr cPtr = NDalicPINVOKE.Stage_DEBUG_BACKGROUND_COLOR_get();
-                Vector4 ret = (cPtr == global::System.IntPtr.Zero) ? null : new Vector4(cPtr, false);
-                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-                return ret;
+                return null;
             }
         }
 
-        private static readonly Window instance = Application.Instance.GetWindow();
+        /// <summary>
+        /// Destroy the window immediately.
+        /// </summary>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public void Destroy()
+        {
+            this.Dispose();
+        }
 
         /// <summary>
-        /// The stage instance property (read-only).<br />
-        /// Gets the current window.<br />
+        /// Keep rendering for at least the given amount of time.
         /// </summary>
+        /// <param name="durationSeconds">Time to keep rendering, 0 means render at least one more frame.</param>
         /// <since_tizen> 3 </since_tizen>
-        public static Window Instance
+        public void KeepRendering(float durationSeconds)
         {
-            get
-            {
-                return instance;
-            }
+            Interop.Stage.Stage_KeepRendering(stageCPtr, durationSeconds);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
         /// <summary>
@@ -874,7 +1026,7 @@ namespace Tizen.NUI
         /// <since_tizen> 3 </since_tizen>
         public bool GrabKeyTopmost(int DaliKey)
         {
-            bool ret = NDalicManualPINVOKE.GrabKeyTopmost(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
+            bool ret = Interop.Window.GrabKeyTopmost(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
@@ -888,7 +1040,7 @@ namespace Tizen.NUI
         /// <since_tizen> 3 </since_tizen>
         public bool UngrabKeyTopmost(int DaliKey)
         {
-            bool ret = NDalicManualPINVOKE.UngrabKeyTopmost(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
+            bool ret = Interop.Window.UngrabKeyTopmost(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
@@ -906,7 +1058,7 @@ namespace Tizen.NUI
         /// <since_tizen> 3 </since_tizen>
         public bool GrabKey(int DaliKey, KeyGrabMode GrabMode)
         {
-            bool ret = NDalicManualPINVOKE.GrabKey(HandleRef.ToIntPtr(this.swigCPtr), DaliKey, (int)GrabMode);
+            bool ret = Interop.Window.GrabKey(HandleRef.ToIntPtr(this.swigCPtr), DaliKey, (int)GrabMode);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
@@ -920,643 +1072,633 @@ namespace Tizen.NUI
         /// <since_tizen> 3 </since_tizen>
         public bool UngrabKey(int DaliKey)
         {
-            bool ret = NDalicManualPINVOKE.UngrabKey(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
+            bool ret = Interop.Window.UngrabKey(HandleRef.ToIntPtr(this.swigCPtr), DaliKey);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
-        internal System.IntPtr GetNativeWindowHandler()
+        /// <summary>
+        /// Sets the keyboard repeat information.
+        /// </summary>
+        /// <param name="rate">The key repeat rate value in seconds.</param>
+        /// <param name="delay">The key repeat delay value in seconds.</param>
+        /// <returns>True if setting the keyboard repeat succeeds.</returns>
+        /// <since_tizen> 5 </since_tizen>
+        public bool SetKeyboardRepeatInfo(float rate, float delay)
         {
-            System.IntPtr ret = NDalicManualPINVOKE.GetNativeWindowHandler(HandleRef.ToIntPtr(this.swigCPtr));
+            bool ret = Interop.Window.SetKeyboardRepeatInfo(rate, delay);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
         /// <summary>
-        /// Enumeration for orientation of the window is the way in which a rectangular page is oriented for normal viewing.
+        /// Gets the keyboard repeat information.
         /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public enum WindowOrientation
+        /// <param name="rate">The key repeat rate value in seconds.</param>
+        /// <param name="delay">The key repeat delay value in seconds.</param>
+        /// <returns>True if setting the keyboard repeat succeeds.</returns>
+        /// <since_tizen> 5 </since_tizen>
+        public bool GetKeyboardRepeatInfo(out float rate, out float delay)
         {
-            /// <summary>
-            /// Portrait orientation. The height of the display area is greater than the width.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            Portrait = 0,
-            /// <summary>
-            /// Landscape orientation. A wide view area is needed.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            Landscape = 90,
-            /// <summary>
-            /// Portrait inverse orientation.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            PortraitInverse = 180,
-            /// <summary>
-            /// Landscape inverse orientation.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            LandscapeInverse = 270
+            bool ret = Interop.Window.GetKeyboardRepeatInfo(out rate, out delay);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
         /// <summary>
-        /// Enumeration for the key grab mode for platform-level APIs.
+        /// Adds a layer to the stage.
         /// </summary>
+        /// <param name="layer">Layer to add.</param>
         /// <since_tizen> 3 </since_tizen>
-        public enum KeyGrabMode
+        public void AddLayer(Layer layer)
         {
-            /// <summary>
-            /// Grabs a key only when on the top of the grabbing-window stack mode.
-            /// </summary>
-            Topmost = 0,
-            /// <summary>
-            /// Grabs a key together with the other client window(s) mode.
-            /// </summary>
-            Shared,
-            /// <summary>
-            /// Grabs a key exclusively regardless of the grabbing-window's position on the window stack with the possibility of overriding the grab by the other client window mode.
-            /// </summary>
-            OverrideExclusive,
-            /// <summary>
-            /// Grabs a key exclusively regardless of the grabbing-window's position on the window stack mode.
-            /// </summary>
-            Exclusive
-        };
+            Interop.Window.Add(swigCPtr, Layer.getCPtr(layer));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+
+            LayersChildren?.Add(layer);
+            layer.SetWindow(this);
+        }
 
         /// <summary>
-        /// Enumeration for opacity of the indicator.
+        /// Removes a layer from the stage.
         /// </summary>
-        internal enum IndicatorBackgroundOpacity
+        /// <param name="layer">Layer to remove.</param>
+        /// <since_tizen> 3 </since_tizen>
+        public void RemoveLayer(Layer layer)
         {
-            Opaque = 100,
-            Translucent = 50,
-            Transparent = 0
+            Interop.Window.Remove(swigCPtr, Layer.getCPtr(layer));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+
+            LayersChildren?.Remove(layer);
+            layer.SetWindow(null);
         }
 
         /// <summary>
-        /// Enumeration for visible mode of the indicator.
+        /// Feeds a key event into the window.
         /// </summary>
-        internal enum IndicatorVisibleMode
+        /// <param name="keyEvent">The key event to feed.</param>
+        /// <since_tizen> 5 </since_tizen>
+        public void FeedKey(Key keyEvent)
         {
-            Invisible = 0,
-            Visible = 1,
-            Auto = 2
+            Interop.Window.Window_FeedKeyEvent(Key.getCPtr(keyEvent));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
         /// <summary>
-        /// The touch event argument.
+        /// Allows at least one more render, even when paused.
+        /// The window should be shown, not minimised.
         /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public class TouchEventArgs : EventArgs
+        /// <since_tizen> 4 </since_tizen>
+        public void RenderOnce()
         {
-            private Touch _touch;
+            Interop.Window.Window_RenderOnce(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
 
-            /// <summary>
-            /// Touch.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            public Touch Touch
-            {
-                get
-                {
-                    return _touch;
-                }
-                set
-                {
-                    _touch = value;
-                }
-            }
+        internal static global::System.Runtime.InteropServices.HandleRef getCPtr(Window obj)
+        {
+            return (obj == null) ? new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero) : obj.swigCPtr;
         }
 
-        private event EventHandler<TouchEventArgs> _stageTouchHandler;
-        private EventCallbackDelegateType1 _stageTouchCallbackDelegate;
+        internal static Window GetCurrent()
+        {
+            Window ret = new Window(Interop.Stage.Stage_GetCurrent(), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-        /// <summary>
-        /// This event is emitted when the screen is touched and when the touch ends.<br />
-        /// If there are multiple touch points, then this will be emitted when the first touch occurs and
-        /// then when the last finger is lifted.<br />
-        /// An interrupted event will also be emitted (if it occurs).<br />
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public event EventHandler<TouchEventArgs> TouchEvent
+        internal static bool IsInstalled()
         {
-            add
-            {
-                lock (this)
-                {
-                    _stageTouchHandler += value;
-                    _stageTouchCallbackDelegate = OnStageTouch;
-                    this.TouchSignal().Connect(_stageTouchCallbackDelegate);
-                }
-            }
-            remove
-            {
-                lock (this)
-                {
-                    if (_stageTouchHandler != null)
-                    {
-                        this.TouchSignal().Disconnect(_stageTouchCallbackDelegate);
-                    }
-                    _stageTouchHandler -= value;
-                }
-            }
+            bool ret = Interop.Stage.Stage_IsInstalled();
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        private void OnStageTouch(IntPtr data)
+        internal WindowFocusSignalType WindowFocusChangedSignal()
         {
-            TouchEventArgs e = new TouchEventArgs();
+            WindowFocusSignalType ret = new WindowFocusSignalType(Interop.Window.FocusChangedSignal(swigCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-            if (data != null)
-            {
-                e.Touch = Tizen.NUI.Touch.GetTouchFromPtr(data);
-            }
+        internal void ShowIndicator(Window.IndicatorVisibleMode visibleMode)
+        {
+            Interop.WindowInternal.Window_ShowIndicator(swigCPtr, (int)visibleMode);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
 
-            if (_stageTouchHandler != null)
-            {
-                _stageTouchHandler(this, e);
-            }
+        internal void SetIndicatorBackgroundOpacity(Window.IndicatorBackgroundOpacity opacity)
+        {
+            Interop.WindowInternal.Window_SetIndicatorBgOpacity(swigCPtr, (int)opacity);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
-        /// <summary>
-        /// Wheel event arguments.
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public class WheelEventArgs : EventArgs
+        internal void RotateIndicator(Window.WindowOrientation orientation)
         {
-            private Wheel _wheel;
+            Interop.WindowInternal.Window_RotateIndicator(swigCPtr, (int)orientation);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
 
-            /// <summary>
-            /// Wheel.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            public Wheel Wheel
-            {
-                get
-                {
-                    return _wheel;
-                }
-                set
-                {
-                    _wheel = value;
-                }
-            }
+        internal void AddAvailableOrientation(Window.WindowOrientation orientation)
+        {
+            Interop.WindowInternal.Window_AddAvailableOrientation(swigCPtr, (int)orientation);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
-        private event EventHandler<WheelEventArgs> _stageWheelHandler;
-        private EventCallbackDelegateType1 _stageWheelCallbackDelegate;
+        internal void RemoveAvailableOrientation(Window.WindowOrientation orientation)
+        {
+            Interop.WindowInternal.Window_RemoveAvailableOrientation(swigCPtr, (int)orientation);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
 
-        /// <summary>
-        /// This event is emitted when the wheel event is received.
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public event EventHandler<WheelEventArgs> WheelEvent
+        internal void SetPreferredOrientation(Window.WindowOrientation orientation)
         {
-            add
-            {
-                if (_stageWheelHandler == null)
-                {
-                    _stageWheelCallbackDelegate = OnStageWheel;
-                    WheelEventSignal().Connect(_stageWheelCallbackDelegate);
-                }
-                _stageWheelHandler += value;
-            }
-            remove
-            {
-                _stageWheelHandler -= value;
-                if (_stageWheelHandler == null && WheelEventSignal().Empty() == false)
-                {
-                    WheelEventSignal().Disconnect(_stageWheelCallbackDelegate);
-                }
-            }
+            Interop.WindowInternal.Window_SetPreferredOrientation(swigCPtr, (int)orientation);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
         }
 
-        private void OnStageWheel(IntPtr data)
+        internal Window.WindowOrientation GetPreferredOrientation()
         {
-            WheelEventArgs e = new WheelEventArgs();
+            Window.WindowOrientation ret = (Window.WindowOrientation)Interop.WindowInternal.Window_GetPreferredOrientation(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-            if (data != null)
-            {
-                e.Wheel = Tizen.NUI.Wheel.GetWheelFromPtr(data);
-            }
+        internal Any GetNativeHandle()
+        {
+            Any ret = new Any(Interop.WindowInternal.Window_GetNativeHandle(swigCPtr), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-            if (_stageWheelHandler != null)
-            {
-                _stageWheelHandler(this, e);
-            }
+        internal WindowFocusSignalType FocusChangedSignal()
+        {
+            WindowFocusSignalType ret = new WindowFocusSignalType(Interop.Window.FocusChangedSignal(swigCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        /// <summary>
-        /// Key event arguments.
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public class KeyEventArgs : EventArgs
+        internal void Add(Layer layer)
         {
-            private Key _key;
+            Interop.Window.Add(swigCPtr, Layer.getCPtr(layer));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 
-            /// <summary>
-            /// Key.
-            /// </summary>
-            /// <since_tizen> 3 </since_tizen>
-            public Key Key
-            {
-                get
-                {
-                    return _key;
-                }
-                set
-                {
-                    _key = value;
-                }
-            }
+            LayersChildren?.Add(layer);
+            layer.SetWindow(this);
         }
 
-        private event EventHandler<KeyEventArgs> _stageKeyHandler;
-        private EventCallbackDelegateType1 _stageKeyCallbackDelegate;
+        internal void Remove(Layer layer)
+        {
+            Interop.Window.Remove(swigCPtr, Layer.getCPtr(layer));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+
+            LayersChildren?.Remove(layer);
+            layer.SetWindow(null);
+        }
+
+        internal Vector2 GetSize()
+        {
+            var val = new Uint16Pair(Interop.Window.GetSize(swigCPtr), false);
+            Vector2 ret = new Vector2(val.GetWidth(), val.GetHeight());
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        internal RenderTaskList GetRenderTaskList()
+        {
+            RenderTaskList ret = new RenderTaskList(Interop.Stage.Stage_GetRenderTaskList(stageCPtr), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
         /// <summary>
-        /// This event is emitted when the key event is received.
+        /// Queries the number of on-window layers.
         /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public event EventHandler<KeyEventArgs> KeyEvent
+        /// <returns>The number of layers.</returns>
+        /// <remarks>Note that a default layer is always provided (count >= 1).</remarks>
+        internal uint GetLayerCount()
         {
-            add
-            {
-                if (_stageKeyHandler == null)
-                {
-                    _stageKeyCallbackDelegate = OnStageKey;
-                    KeyEventSignal().Connect(_stageKeyCallbackDelegate);
-                }
-                _stageKeyHandler += value;
-            }
-            remove
+            if (LayersChildren == null || LayersChildren.Count < 0)
+                return 0;
+
+            return (uint) LayersChildren.Count;
+        }
+
+        internal Layer GetRootLayer()
+        {
+            // Window.IsInstalled() is actually true only when called from event thread and
+            // Core has been initialized, not when Stage is ready.
+            if (_rootLayer == null && Window.IsInstalled())
             {
-                _stageKeyHandler -= value;
-                if (_stageKeyHandler == null && KeyEventSignal().Empty() == false)
-                {
-                    KeyEventSignal().Disconnect(_stageKeyCallbackDelegate);
-                }
+                _rootLayer = new Layer(Interop.Window.GetRootLayer(swigCPtr), true);
+                if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+                LayersChildren?.Add(_rootLayer);
+                _rootLayer.SetWindow(this);
             }
+            return _rootLayer;
         }
 
-        // Callback for Stage KeyEventsignal
-        private void OnStageKey(IntPtr data)
+        internal void SetBackgroundColor(Vector4 color)
         {
-            KeyEventArgs e = new KeyEventArgs();
+            Interop.Window.SetBackgroundColor(swigCPtr, Vector4.getCPtr(color));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
 
-            if (data != null)
-            {
-                e.Key = Tizen.NUI.Key.GetKeyFromPtr(data);
-            }
+        internal Vector4 GetBackgroundColor()
+        {
+            Vector4 ret = new Vector4(Interop.Window.GetBackgroundColor(swigCPtr), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-            if (_stageKeyHandler != null)
-            {
-                //here we send all data to user event handlers
-                _stageKeyHandler(this, e);
-            }
+        internal Vector2 GetDpi()
+        {
+            Vector2 ret = new Vector2(Interop.Stage.Stage_GetDpi(stageCPtr), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
+        internal ObjectRegistry GetObjectRegistry()
+        {
+            ObjectRegistry ret = new ObjectRegistry(Interop.Stage.Stage_GetObjectRegistry(stageCPtr), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-        private event EventHandler _stageEventProcessingFinishedEventHandler;
-        private EventCallbackDelegateType0 _stageEventProcessingFinishedEventCallbackDelegate;
+        internal void SetRenderingBehavior(RenderingBehaviorType renderingBehavior)
+        {
+            Interop.Stage.Stage_SetRenderingBehavior(stageCPtr, (int)renderingBehavior);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
 
-        internal event EventHandler EventProcessingFinished
+        internal RenderingBehaviorType GetRenderingBehavior()
         {
-            add
-            {
-                if (_stageEventProcessingFinishedEventHandler == null)
-                {
-                    _stageEventProcessingFinishedEventCallbackDelegate = OnEventProcessingFinished;
-                    EventProcessingFinishedSignal().Connect(_stageEventProcessingFinishedEventCallbackDelegate);
-                }
-                _stageEventProcessingFinishedEventHandler += value;
+            RenderingBehaviorType ret = (RenderingBehaviorType)Interop.Stage.Stage_GetRenderingBehavior(stageCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending)
+                throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-            }
-            remove
-            {
-                _stageEventProcessingFinishedEventHandler -= value;
-                if (_stageEventProcessingFinishedEventHandler == null && EventProcessingFinishedSignal().Empty() == false)
-                {
-                    EventProcessingFinishedSignal().Disconnect(_stageEventProcessingFinishedEventCallbackDelegate);
-                }
-            }
+        internal KeyEventSignal KeyEventSignal()
+        {
+            KeyEventSignal ret = new KeyEventSignal(Interop.Window.KeyEventSignal(swigCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        // Callback for Stage EventProcessingFinishedSignal
-        private void OnEventProcessingFinished()
+        internal VoidSignal EventProcessingFinishedSignal()
         {
-            if (_stageEventProcessingFinishedEventHandler != null)
-            {
-                _stageEventProcessingFinishedEventHandler(this, null);
-            }
+            VoidSignal ret = new VoidSignal(Interop.StageSignal.Stage_EventProcessingFinishedSignal(stageCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        internal TouchSignal TouchSignal()
+        {
+            TouchSignal ret = new TouchSignal(Interop.Window.TouchSignal(swigCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
+        internal TouchDataSignal TouchDataSignal()
+        {
+            TouchDataSignal ret = new TouchDataSignal(Interop.ActorSignal.Actor_TouchSignal(Layer.getCPtr(GetRootLayer())), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending)
+                throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-        private EventHandler _stageContextLostEventHandler;
-        private EventCallbackDelegateType0 _stageContextLostEventCallbackDelegate;
+        internal VoidSignal ContextLostSignal()
+        {
+            VoidSignal ret = new VoidSignal(Interop.StageSignal.Stage_ContextLostSignal(stageCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-        internal event EventHandler ContextLost
+        internal VoidSignal ContextRegainedSignal()
         {
-            add
-            {
-                if (_stageContextLostEventHandler == null)
-                {
-                    _stageContextLostEventCallbackDelegate = OnContextLost;
-                    ContextLostSignal().Connect(_stageContextLostEventCallbackDelegate);
-                }
-                _stageContextLostEventHandler += value;
-            }
-            remove
-            {
-                _stageContextLostEventHandler -= value;
-                if (_stageContextLostEventHandler == null && ContextLostSignal().Empty() == false)
-                {
-                    ContextLostSignal().Disconnect(_stageContextLostEventCallbackDelegate);
-                }
-            }
+            VoidSignal ret = new VoidSignal(Interop.StageSignal.Stage_ContextRegainedSignal(stageCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        internal VoidSignal SceneCreatedSignal()
+        {
+            VoidSignal ret = new VoidSignal(Interop.StageSignal.Stage_SceneCreatedSignal(stageCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        // Callback for Stage ContextLostSignal
-        private void OnContextLost()
+        internal ResizedSignal ResizedSignal()
         {
-            if (_stageContextLostEventHandler != null)
-            {
-                _stageContextLostEventHandler(this, null);
-            }
+            ResizedSignal ret = new ResizedSignal(Interop.Window.Window_ResizedSignal(swigCPtr), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
+        internal void SetWindowSize(Size2D size)
+        {
+            var val = new Uint16Pair((uint)size.Width, (uint)size.Height);
+            Interop.Window.SetSize(swigCPtr, Uint16Pair.getCPtr(val));
 
-        private EventHandler _stageContextRegainedEventHandler;
-        private EventCallbackDelegateType0 _stageContextRegainedEventCallbackDelegate;
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 
-        internal event EventHandler ContextRegained
-        {
-            add
-            {
-                if (_stageContextRegainedEventHandler == null)
-                {
-                    _stageContextRegainedEventCallbackDelegate = OnContextRegained;
-                    ContextRegainedSignal().Connect(_stageContextRegainedEventCallbackDelegate);
-                }
-                _stageContextRegainedEventHandler += value;
-            }
-            remove
-            {
-                _stageContextRegainedEventHandler -= value;
-                if (_stageContextRegainedEventHandler == null && ContextRegainedSignal().Empty() == false)
-                {
-                    this.ContextRegainedSignal().Disconnect(_stageContextRegainedEventCallbackDelegate);
-                }
-            }
+            // Resetting Window size should request a relayout of the tree.
         }
 
-        // Callback for Stage ContextRegainedSignal
-        private void OnContextRegained()
+        internal Size2D GetWindowSize()
         {
-            if (_stageContextRegainedEventHandler != null)
-            {
-                _stageContextRegainedEventHandler(this, null);
-            }
+            var val = new Uint16Pair(Interop.Window.GetSize(swigCPtr), false);
+            Size2D ret = new Size2D(val.GetWidth(), val.GetHeight());
+
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
+        internal void SetPosition(Position2D position)
+        {
+            var val = new Uint16Pair((uint)position.X, (uint)position.Y);
+            Interop.Window.SetPosition(swigCPtr, Uint16Pair.getCPtr(val));
+
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
 
-        private EventHandler _stageSceneCreatedEventHandler;
-        private EventCallbackDelegateType0 _stageSceneCreatedEventCallbackDelegate;
+            // Setting Position of the window should request a relayout of the tree.
 
-        internal event EventHandler SceneCreated
+        }
+
+        internal Position2D GetPosition()
         {
-            add
-            {
-                if (_stageSceneCreatedEventHandler == null)
-                {
-                    _stageSceneCreatedEventCallbackDelegate = OnSceneCreated;
-                    SceneCreatedSignal().Connect(_stageSceneCreatedEventCallbackDelegate);
-                }
-                _stageSceneCreatedEventHandler += value;
-            }
-            remove
-            {
-                _stageSceneCreatedEventHandler -= value;
-                if (_stageSceneCreatedEventHandler == null && SceneCreatedSignal().Empty() == false)
-                {
-                    SceneCreatedSignal().Disconnect(_stageSceneCreatedEventCallbackDelegate);
-                }
-            }
+            var val = new Uint16Pair(Interop.Window.GetPosition(swigCPtr), true);
+            Position2D ret = new Position2D(val.GetX(), val.GetY());
+
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        // Callback for Stage SceneCreatedSignal
-        private void OnSceneCreated()
+        internal void SetPositionSize(Rectangle positionSize)
         {
-            if (_stageSceneCreatedEventHandler != null)
-            {
-                _stageSceneCreatedEventHandler(this, null);
-            }
+            Interop.Window.Window_SetPositionSize(swigCPtr, Rectangle.getCPtr(positionSize));
+
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+
+            // Setting Position of the window should request a relayout of the tree.
+
         }
 
         /// <summary>
-        /// This resized event arguments.
+        /// Sets whether the window is transparent or not.
         /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public class ResizedEventArgs : EventArgs
-        {
-            Size2D _windowSize;
+        /// <param name="transparent">Whether the window is transparent or not.</param>
+        /// <since_tizen> 5 </since_tizen>
+        public void SetTransparency(bool transparent) {
+            Interop.Window.SetTransparency(swigCPtr, transparent);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+
+            // Setting transparency of the window should request a relayout of the tree in the case the window changes from fully transparent.
 
-            /// <summary>
-            /// This window size.
-            /// </summary>
-            /// <since_tizen> 4 </since_tizen>
-            public Size2D WindowSize
-            {
-                get
-                {
-                    return _windowSize;
-                }
-                set
-                {
-                    _windowSize = value;
-                }
-            }
         }
 
-        private WindowResizedEventCallbackType _windowResizedEventCallback;
-        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
-        private delegate void WindowResizedEventCallbackType(IntPtr windowSize);
-        private event EventHandler<ResizedEventArgs> _windowResizedEventHandler;
+        /// <summary>
+        /// Sets parent window of the window.
+        /// After setting that, these windows do together when raise-up, lower and iconified/deiconified.
+        /// Initially, the window is located on top of the parent. The window can go below parent by calling Lower().
+        /// If parent's window stack is changed by calling Raise() or Lower(), child windows are located on top of the parent again.
+        /// </summary>
+        /// <param name="parent">The parent window.</param>
+        /// <since_tizen> 6 </since_tizen>
+        /// This will be public opened in tizen_5.5 after ACR done. Before ACR, need to be hidden as inhouse API.
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public void SetParent(Window parent) {
+            Interop.Window.SetParent(swigCPtr, Window.getCPtr(parent));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
 
         /// <summary>
-        /// This event is emitted when the window resized.
+        /// Unsets parent window of the window.
+        /// After unsetting, the window is disconnected his parent window.
         /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public event EventHandler<ResizedEventArgs> Resized
+        /// <since_tizen> 6 </since_tizen>
+        /// This will be public opened in tizen_5.5 after ACR done. Before ACR, need to be hidden as inhouse API.
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public void Unparent() {
+            Interop.Window.Unparent(swigCPtr);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        /// <summary>
+        /// Gets parent window of the window.
+        /// </summary>
+        /// <returns>The parent window of the window.</returns>
+        /// <since_tizen> 6 </since_tizen>
+        /// This will be public opened in tizen_5.5 after ACR done. Before ACR, need to be hidden as inhouse API.
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public Window GetParent() {
+            Window ret = new Window(Interop.Window.GetParent(swigCPtr), true);
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
+
+        /// <summary>
+        /// Dispose for Window
+        /// </summary>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        protected override void Dispose(DisposeTypes type)
         {
-            add
+            if (disposed)
             {
-                if (_windowResizedEventHandler == null)
+                return;
+            }
+
+            if (type == DisposeTypes.Explicit)
+            {
+                //Called by User
+                //Release your own managed resources here.
+                //You should release all of your own disposable objects here.
+
+                _rootLayer.Dispose();
+                localController.Dispose();
+
+                foreach(var layer in _childLayers)
                 {
-                    _windowResizedEventCallback = OnResized;
-                    ResizedSignal().Connect(_windowResizedEventCallback);
+                    layer.Dispose();
                 }
-
-                _windowResizedEventHandler += value;
+                _childLayers.Clear();
             }
-            remove
-            {
-                _windowResizedEventHandler -= value;
 
-                if (_windowResizedEventHandler == null && ResizedSignal().Empty() == false && _windowResizedEventCallback != null)
+            this.DisconnectNativeSignals();
+
+            //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)
                 {
-                    ResizedSignal().Disconnect(_windowResizedEventCallback);
+                    swigCMemOwn = false;
+                    Interop.Window.delete_Window(swigCPtr);
                 }
+                swigCPtr = new global::System.Runtime.InteropServices.HandleRef(null, global::System.IntPtr.Zero);
             }
+
+            base.Dispose(type);
         }
 
-        private void OnResized(IntPtr windowSize)
+        internal System.IntPtr GetNativeWindowHandler()
         {
-            ResizedEventArgs e = new ResizedEventArgs();
-            var val = new Uint16Pair(windowSize, false);
-            e.WindowSize = new Size2D(val.GetWidth(), val.GetHeight());
-            val.Dispose();
+            System.IntPtr ret = Interop.Window.GetNativeWindowHandler(HandleRef.ToIntPtr(this.swigCPtr));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
+        }
 
-            if (_windowResizedEventHandler != null)
+        private void OnWindowFocusedChanged(bool focusGained)
+        {
+            FocusChangedEventArgs e = new FocusChangedEventArgs();
+
+            e.FocusGained = focusGained;
+
+            if (_windowFocusChangedEventHandler != null)
             {
-                _windowResizedEventHandler(this, e);
+                _windowFocusChangedEventHandler(this, e);
             }
         }
 
-        internal void SetWindowSize(Size2D size)
+        private StageWheelSignal WheelEventSignal()
         {
-            var val = new Uint16Pair((uint)size.Width, (uint)size.Height);
-            NDalicManualPINVOKE.SetSize(swigCPtr, Uint16Pair.getCPtr(val));
-
+            StageWheelSignal ret = new StageWheelSignal(Interop.StageSignal.Stage_WheelEventSignal(stageCPtr), false);
             if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            return ret;
         }
 
-        internal Size2D GetWindowSize()
+        private WheelSignal StageWheelEventSignal()
         {
-            var val = new Uint16Pair(NDalicManualPINVOKE.GetSize(swigCPtr), false);
-            Size2D ret = new Size2D(val.GetWidth(), val.GetHeight());
-
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            WheelSignal ret = new WheelSignal(Interop.ActorSignal.Actor_WheelEventSignal(Layer.getCPtr(this.GetRootLayer())), false);
+            if (NDalicPINVOKE.SWIGPendingException.Pending)
+                throw NDalicPINVOKE.SWIGPendingException.Retrieve();
             return ret;
         }
 
-        internal void SetPosition(Position2D position)
+        private bool OnWindowTouch(IntPtr view, IntPtr touchData)
         {
-            var val = new Uint16Pair((uint)position.X, (uint)position.Y);
-            NDalicManualPINVOKE.SetPosition(swigCPtr, Uint16Pair.getCPtr(val));
+            if (touchData == global::System.IntPtr.Zero)
+            {
+                NUILog.Error("touchData should not be null!");
+                return false;
+            }
 
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            TouchEventArgs e = new TouchEventArgs();
+
+            e.Touch = Tizen.NUI.Touch.GetTouchFromPtr(touchData);
+
+            if (_rootLayerTouchDataEventHandler != null)
+            {
+                _rootLayerTouchDataEventHandler(this, e);
+            }
+            return false;
         }
 
-        internal Position2D GetPosition()
+        private bool OnStageWheel(IntPtr rootLayer, IntPtr wheelEvent)
         {
-            var val = new Uint16Pair(NDalicManualPINVOKE.GetPosition(swigCPtr), true);
-            Position2D ret = new Position2D(val.GetX(), val.GetY());
+            if (wheelEvent == global::System.IntPtr.Zero)
+            {
+                NUILog.Error("wheelEvent should not be null!");
+                return true;
+            }
 
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
-            return ret;
-        }
+            WheelEventArgs e = new WheelEventArgs();
 
-        /// <summary>
-        /// Sets whether the window is transparent or not.
-        /// </summary>
-        /// <param name="transparent">Whether the window is transparent.</param>
-        /// <since_tizen> 5 </since_tizen>
-        /// This will be released at Tizen.NET API Level 5, so currently this would be used as inhouse API.
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        public void SetTransparency(bool transparent) {
-            NDalicManualPINVOKE.SetTransparency(swigCPtr, transparent);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            e.Wheel = Tizen.NUI.Wheel.GetWheelFromPtr(wheelEvent);
+
+            if (_stageWheelHandler != null)
+            {
+                _stageWheelHandler(this, e);
+            }
+            return true;
         }
 
-        /// <summary>
-        /// The window size property (read-only).
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public Size2D Size
+        // Callback for Stage KeyEventsignal
+        private void OnStageKey(IntPtr data)
         {
-            get
+            KeyEventArgs e = new KeyEventArgs();
+            e.Key = Tizen.NUI.Key.GetKeyFromPtr(data);
+
+
+            if (_stageKeyHandler != null)
             {
-                Size2D ret = GetSize();
-                return ret;
+                //here we send all data to user event handlers
+                _stageKeyHandler(this, e);
             }
         }
 
-        /// <summary>
-        /// The background color property.
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public Color BackgroundColor
+        // Callback for Stage EventProcessingFinishedSignal
+        private void OnEventProcessingFinished()
         {
-            set
+            if (_stageEventProcessingFinishedEventHandler != null)
             {
-                SetBackgroundColor(value);
+                _stageEventProcessingFinishedEventHandler(this, null);
             }
-            get
+        }
+
+        // Callback for Stage ContextLostSignal
+        private void OnContextLost()
+        {
+            if (_stageContextLostEventHandler != null)
             {
-                Color ret = GetBackgroundColor();
-                return ret;
+                _stageContextLostEventHandler(this, null);
             }
         }
 
-        /// <summary>
-        /// The DPI property (read-only).<br />
-        /// Retrieves the DPI of the display device to which the Window is connected.<br />
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public Vector2 Dpi
+        // Callback for Stage ContextRegainedSignal
+        private void OnContextRegained()
         {
-            get
+            if (_stageContextRegainedEventHandler != null)
             {
-                return GetDpi();
+                _stageContextRegainedEventHandler(this, null);
             }
         }
 
-        /// <summary>
-        /// The layer count property (read-only).<br />
-        /// Queries the number of on-Window layers.<br />
-        /// </summary>
-        /// <since_tizen> 3 </since_tizen>
-        public uint LayerCount
+        // Callback for Stage SceneCreatedSignal
+        private void OnSceneCreated()
         {
-            get
+            if (_stageSceneCreatedEventHandler != null)
             {
-                return GetLayerCount();
+                _stageSceneCreatedEventHandler(this, null);
             }
         }
 
-
-        /// <summary>
-        /// Adds a layer to the stage.
-        /// </summary>
-        /// <param name="layer">Layer to add.</param>
-        /// <since_tizen> 3 </since_tizen>
-        public void AddLayer(Layer layer)
+        private void OnResized(IntPtr windowSize)
         {
-            NDalicPINVOKE.Stage_Add(stageCPtr, Layer.getCPtr(layer));
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            ResizedEventArgs e = new ResizedEventArgs();
+            var val = new Uint16Pair(windowSize, false);
+            e.WindowSize = new Size2D(val.GetWidth(), val.GetHeight());
+            val.Dispose();
+
+            if (_windowResizedEventHandler != null)
+            {
+                _windowResizedEventHandler(this, e);
+            }
         }
 
-        /// <summary>
-        /// Removes a layer from the stage.
-        /// </summary>
-        /// <param name="layer">Layer to remove.</param>
-        /// <since_tizen> 3 </since_tizen>
-        public void RemoveLayer(Layer layer)
+        private void OnWindowFocusedChanged2(bool focusGained)
         {
-            NDalicPINVOKE.Stage_Remove(stageCPtr, Layer.getCPtr(layer));
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            FocusChangedEventArgs e = new FocusChangedEventArgs();
+
+            e.FocusGained = focusGained;
+
+            if (_windowFocusChangedEventHandler2 != null)
+            {
+                _windowFocusChangedEventHandler2(this, e);
+            }
         }
 
         /// <summary>
-        /// Please do not use! this will be deprecated
+        /// The focus changed event argument.
         /// </summary>
         /// <since_tizen> 3 </since_tizen>
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        public class WindowFocusChangedEventArgs : EventArgs
+        public class FocusChangedEventArgs : EventArgs
         {
             /// <summary>
-            /// Please do not use! this will be deprecated
+            /// FocusGained flag.
             /// </summary>
             /// <since_tizen> 3 </since_tizen>
             public bool FocusGained
@@ -1566,105 +1708,147 @@ namespace Tizen.NUI
             }
         }
 
-        private WindowFocusChangedEventCallbackType _windowFocusChangedEventCallback2;
-        [UnmanagedFunctionPointer(CallingConvention.StdCall)]
-        private delegate void WindowFocusChangedEventCallbackType2(bool focusGained);
-        private event EventHandler<WindowFocusChangedEventArgs> _windowFocusChangedEventHandler2;
-
         /// <summary>
-        /// Please do not use! this will be deprecated. Please use 'FocusChanged' event instead.
+        /// The touch event argument.
         /// </summary>
         /// <since_tizen> 3 </since_tizen>
-        /// Please do not use! this will be deprecated!
-        /// Instead please use FocusChanged.
-        [Obsolete("Please do not use! this will be deprecated, instead please use FocusChanged")]
-        [EditorBrowsable(EditorBrowsableState.Never)]
-        public event EventHandler<WindowFocusChangedEventArgs> WindowFocusChanged
+        public class TouchEventArgs : EventArgs
         {
-            add
+            private Touch _touch;
+
+            /// <summary>
+            /// Touch.
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            public Touch Touch
             {
-                if (_windowFocusChangedEventHandler2 == null)
+                get
                 {
-                    _windowFocusChangedEventCallback2 = OnWindowFocusedChanged2;
-                    WindowFocusChangedSignal().Connect(_windowFocusChangedEventCallback2);
+                    return _touch;
                 }
-
-                _windowFocusChangedEventHandler2 += value;
-            }
-            remove
-            {
-                _windowFocusChangedEventHandler2 -= value;
-
-                if (_windowFocusChangedEventHandler2 == null && WindowFocusChangedSignal().Empty() == false && _windowFocusChangedEventCallback2 != null)
+                set
                 {
-                    WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback2);
+                    _touch = value;
                 }
             }
         }
 
-        private void OnWindowFocusedChanged2(bool focusGained)
+        /// <summary>
+        /// Wheel event arguments.
+        /// </summary>
+        /// <since_tizen> 3 </since_tizen>
+        public class WheelEventArgs : EventArgs
         {
-            WindowFocusChangedEventArgs e = new WindowFocusChangedEventArgs();
-
-            e.FocusGained = focusGained;
+            private Wheel _wheel;
 
-            if (_windowFocusChangedEventHandler2 != null)
+            /// <summary>
+            /// Wheel.
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            public Wheel Wheel
             {
-                _windowFocusChangedEventHandler2(this, e);
+                get
+                {
+                    return _wheel;
+                }
+                set
+                {
+                    _wheel = value;
+                }
             }
         }
 
         /// <summary>
-        /// Gets or sets a size of the window.
+        /// Key event arguments.
         /// </summary>
-        /// <since_tizen> 4 </since_tizen>
-        public Size2D WindowSize
+        /// <since_tizen> 3 </since_tizen>
+        public class KeyEventArgs : EventArgs
         {
-            get
-            {
-                return GetWindowSize();
-            }
-            set
+            private Key _key;
+
+            /// <summary>
+            /// Key.
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            public Key Key
             {
-                SetWindowSize(value);
+                get
+                {
+                    return _key;
+                }
+                set
+                {
+                    _key = value;
+                }
             }
         }
 
         /// <summary>
-        /// Gets or sets a position of the window.
+        /// Sets position and size of the window. This API guarantees that
+        /// both moving and resizing of window will appear on the screen at once.
         /// </summary>
-        /// <since_tizen> 4 </since_tizen>
-        public Position2D WindowPosition
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public Rectangle WindowPositionSize
         {
             get
             {
-                return GetPosition();
+                Position2D position = GetPosition();
+                Size2D size = GetSize();
+                Rectangle ret = new Rectangle(position.X, position.Y, size.Width, size.Height);
+                return ret;
             }
             set
             {
-                SetPosition(value);
+                SetPositionSize(value);
             }
         }
 
         /// <summary>
-        /// Feed a key-event into the window.
+        /// Feeds a key event into the window.
+        /// This resized event arguments.
         /// </summary>
-        /// <since_tizen> 4 </since_tizen>
-        public static void FeedKeyEvent(Key keyEvent)
+        /// <since_tizen> 3 </since_tizen>
+        public class ResizedEventArgs : EventArgs
         {
-            NDalicManualPINVOKE.Window_FeedKeyEvent(Key.getCPtr(keyEvent));
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            Size2D _windowSize;
+
+            /// <summary>
+            /// This window size.
+            /// </summary>
+            /// <since_tizen> 4 </since_tizen>
+            public Size2D WindowSize
+            {
+                get
+                {
+                    return _windowSize;
+                }
+                set
+                {
+                    _windowSize = value;
+                }
+            }
         }
 
         /// <summary>
-        /// Allows at least one more render, even when paused.
-        /// The window should be shown, not minimised.
+        /// Please do not use! this will be deprecated
         /// </summary>
-        /// <since_tizen> 4 </since_tizen>
-        public void RenderOnce()
+        /// <since_tizen> 3 </since_tizen>
+        [Obsolete("Please do not use! This will be deprecated! Please use FocusChangedEventArgs instead! " +
+            "Like: " +
+            "Window.Instance.FocusChanged = OnFocusChanged; " +
+            "private void OnFocusChanged(object source, Window.FocusChangedEventArgs args) {...}")]
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public class WindowFocusChangedEventArgs : EventArgs
         {
-            NDalicManualPINVOKE.Window_RenderOnce(swigCPtr);
-            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+            /// <summary>
+            /// Please do not use! this will be deprecated
+            /// </summary>
+            /// <since_tizen> 3 </since_tizen>
+            public bool FocusGained
+            {
+                get;
+                set;
+            }
         }
 
         /// <summary>
@@ -1703,5 +1887,63 @@ namespace Tizen.NUI
             }
         }
 
+        /// <summary>
+        /// Disconnect all native signals
+        /// </summary>
+        /// <since_tizen> 5 </since_tizen>
+        internal void DisconnectNativeSignals()
+        {
+            if( _windowFocusChangedEventCallback != null )
+            {
+                WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback);
+            }
+
+            if( _rootLayerTouchDataCallback != null )
+            {
+                TouchDataSignal().Disconnect(_rootLayerTouchDataCallback);
+            }
+
+            if( _wheelEventCallback != null )
+            {
+                StageWheelEventSignal().Disconnect(_wheelEventCallback);
+            }
+
+            if( _stageKeyCallbackDelegate != null )
+            {
+                KeyEventSignal().Disconnect(_stageKeyCallbackDelegate);
+            }
+
+            if( _stageEventProcessingFinishedEventCallbackDelegate != null )
+            {
+                EventProcessingFinishedSignal().Disconnect(_stageEventProcessingFinishedEventCallbackDelegate);
+            }
+
+            if( _stageContextLostEventCallbackDelegate != null )
+            {
+                ContextLostSignal().Disconnect(_stageContextLostEventCallbackDelegate);
+            }
+
+            if( _stageContextRegainedEventCallbackDelegate != null )
+            {
+                ContextRegainedSignal().Disconnect(_stageContextRegainedEventCallbackDelegate);
+            }
+
+            if( _stageSceneCreatedEventCallbackDelegate != null )
+            {
+                SceneCreatedSignal().Disconnect(_stageSceneCreatedEventCallbackDelegate);
+            }
+
+            if( _windowResizedEventCallback != null )
+            {
+                ResizedSignal().Disconnect(_windowResizedEventCallback);
+            }
+
+            if( _windowFocusChangedEventCallback2 != null )
+            {
+                WindowFocusChangedSignal().Disconnect(_windowFocusChangedEventCallback2);
+            }
+
+        }
+
     }
 }