[NUI] Add LazyFeedHover api for HoverEvent

[platform/core/csapi/tizenfx.git] / src / Tizen.NUI / src / public / Window / Window.cs

diff --git a/src/Tizen.NUI/src/public/Window/Window.cs b/src/Tizen.NUI/src/public/Window/Window.cs
index 61eeafd..a6c6c42 100755 (executable)
--- a/src/Tizen.NUI/src/public/Window/Window.cs
+++ b/src/Tizen.NUI/src/public/Window/Window.cs
@@ -43,6 +43,7 @@ namespace Tizen.NUI
         private LayoutController localController;
         private Key internalLastKeyEvent;
         private Touch internalLastTouchEvent;
+        private Timer internalHoverTimer;
 
         static internal bool IsSupportedMultiWindow()
         {
@@ -1134,6 +1135,36 @@ namespace Tizen.NUI
         }
 
         /// <summary>
+        /// Feeds a hover event into the window. <br />
+        /// This is feed after a default time of 48 ms. You can also set this time.
+        /// </summary>
+        /// <param name="time">The time of how much later it will be feed (default is 48ms)</param>
+        /// <remarks>If you want to do FeedHover after the UI is updated, it is recommended to set the time to at least 16ms. This will be a good time waiting for the UI to update.<br />
+        /// and LazyFeedHover called within the set time are ignored. Only the last request becomes a FeedHover.
+        /// </remarks>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public void LazyFeedHover(uint time = 48)
+        {
+            if (internalHoverTimer == null)
+            {
+                internalHoverTimer = new Timer(time);
+                internalHoverTimer.Tick += (s, e) =>
+                {
+                    FeedHover();
+                    internalHoverTimer?.Stop();
+                    internalHoverTimer?.Dispose();
+                    internalHoverTimer = null;
+                    return false;
+                };
+                internalHoverTimer.Start();
+            }
+            else
+            {
+                internalHoverTimer.Start();
+            }
+        }
+
+        /// <summary>
         /// Feeds a touch point into the window.
         /// </summary>
         /// <param name="touchPoint">The touch point to feed.</param>
@@ -1155,6 +1186,23 @@ namespace Tizen.NUI
         }
 
         /// <summary>
+        /// Feeds a hover event into the window.
+        /// </summary>
+        /// <param name="touchPoint">The touch point to feed hover event. If null is entered, the feed hover event is generated with the last inputed touch point.</param>
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        internal void FeedHover(TouchPoint touchPoint = null)
+        {
+            if (touchPoint == null)
+            {
+                using Touch touch = GetLastTouchEvent();
+                using Vector2 screenPosition = touch.GetScreenPosition(0);
+                touchPoint = new TouchPoint(touch.GetDeviceId(0), TouchPoint.StateType.Motion, screenPosition.X, screenPosition.Y);
+            }
+            Interop.Window.FeedHoverEvent(SwigCPtr, TouchPoint.getCPtr(touchPoint));
+            if (NDalicPINVOKE.SWIGPendingException.Pending) throw NDalicPINVOKE.SWIGPendingException.Retrieve();
+        }
+
+        /// <summary>
         /// Allows at least one more render, even when paused.
         /// The window should be shown, not minimised.
         /// </summary>
@@ -1962,6 +2010,10 @@ namespace Tizen.NUI
                 internalLastKeyEvent = null;
                 internalLastTouchEvent?.Dispose();
                 internalLastTouchEvent = null;
+
+                internalHoverTimer?.Stop();
+                internalHoverTimer?.Dispose();
+                internalHoverTimer = null;
             }