Add ItemFocused event to CircleListView

src/Tizen.Wearable.CircularUI.Forms.Renderer/CircleListViewRenderer.cs

@@ -14,6 +14,7 @@
  * limitations under the License.
  */
 
+using System;
 using ElmSharp;
 using Xamarin.Forms;
 using Xamarin.Forms.Platform.Tizen;
@@ -39,6 +40,7 @@ protected override Xamarin.Forms.Platform.Tizen.Native.ListView CreateNativeCont
         {
             _listView = new WatchListView(XForms.NativeParent, this.GetSurface());
             _listView.ItemLongPressed += OnItemLongPressed;
+            _listView.ScrollAnimationStopped += OnScrollAnimationStopped;
             return _listView;
         }
 
@@ -49,6 +51,7 @@ protected override void Dispose(bool disposing)
                 if (_listView != null)
                 {
                     _listView.ItemLongPressed -= OnItemLongPressed;
+                    _listView.ItemFocused -= OnScrollAnimationStopped;
                 }
             }
             base.Dispose(disposing);
@@ -64,6 +67,17 @@ void OnItemLongPressed(object sender, GenListItemEventArgs args)
             }
         }
 
+        void OnScrollAnimationStopped(object sender, EventArgs args)
+        {
+            GenListItem item = Control.GetItemByPosition(180, 180, out int pos);
+            if (item.Data is NListView.ItemContext itemContext && pos == 0)
+            {
+                var obj = itemContext.Cell.BindingContext;
+                var index = Element.TemplatedItems.GetGlobalIndexOfItem(obj);
+                Element.NotifyIteFocused(obj, index);
+            }
+        }
+
         void UpdateBarColor()
         {
             if (!Element.BarColor.IsDefault)

src/Tizen.Wearable.CircularUI.Forms/CircleListView.cs

@@ -66,10 +66,21 @@ public Color BarColor
         /// </summary>
         public event EventHandler<ItemLongPressedEventArgs> ItemLongPressed;
 
+        /// <summary>
+        /// Event that is raised when a new item is long pressed.
+        /// </summary>
+        public event EventHandler<ItemFocusedEventArgs> ItemFocused;
+
         [EditorBrowsable(EditorBrowsableState.Never)]
         public void NotifyItemLongPressed(object item, int index)
         {
             ItemLongPressed?.Invoke(this, new ItemLongPressedEventArgs(item, index));
         }
+
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public void NotifyIteFocused(object item, int index)
+        {
+            ItemFocused?.Invoke(this, new ItemFocusedEventArgs(item, index));
+        }
     }
 }

src/Tizen.Wearable.CircularUI.Forms/ItemFocusedEventArgs.cs

@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2018 Samsung Electronics Co., Ltd All Rights Reserved
+ *
+ * Licensed under the Flora License, Version 1.1 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://floralicense.org/license/
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+using System;
+
+namespace Tizen.Wearable.CircularUI.Forms
+{
+    /// <summary>
+    /// Event arguments for the ItemFocused event of CircleListView.
+    /// </summary>
+    public class ItemFocusedEventArgs : EventArgs
+    {
+        /// <summary>
+        ///  Creates a new ItemFocusedEventArgs object.
+        /// </summary>
+        /// <param name="item">An item data of new focused item.</param>
+        /// <param name="itemIndex">An index of new focused item.</param>
+        public ItemFocusedEventArgs(object item, int itemIndex)
+        {
+            Item = item;
+            ItemIndex = itemIndex;
+        }
+
+        /// <summary>
+        /// Gets the data of new focused item
+        /// </summary>
+        public object Item { get; private set; }
+
+        /// <summary>
+        /// Gets the index of new focused item
+        /// </summary>
+        public int ItemIndex { get; private set; }
+    }
+}