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Assets/Plugins/FairyGUI/Scripts/Event/EventContext.cs

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+using System.Collections.Generic;
+using UnityEngine;
+
+namespace FairyGUI
+{
+    /// <summary>
+    /// 
+    /// </summary>
+    public class EventContext
+    {
+        /// <summary>
+        /// 
+        /// </summary>
+        public EventDispatcher sender { get; internal set; }
+
+        /// <summary>
+        /// /
+        /// </summary>
+        public object initiator { get; internal set; }
+
+        /// <summary>
+        /// /
+        /// </summary>
+        public InputEvent inputEvent { get; internal set; }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public string type;
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public object data;
+
+        internal bool _defaultPrevented;
+        internal bool _stopsPropagation;
+        internal bool _touchCapture;
+
+        internal List<EventBridge> callChain = new List<EventBridge>();
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public void StopPropagation()
+        {
+            _stopsPropagation = true;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public void PreventDefault()
+        {
+            _defaultPrevented = true;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public void CaptureTouch()
+        {
+            _touchCapture = true;
+        }
+
+        /// <summary>
+        /// 
+        /// </summary>
+        public bool isDefaultPrevented
+        {
+            get { return _defaultPrevented; }
+        }
+
+        static Stack<EventContext> pool = new Stack<EventContext>();
+        internal static EventContext Get()
+        {
+            if (pool.Count > 0)
+            {
+                EventContext context = pool.Pop();
+                context._stopsPropagation = false;
+                context._defaultPrevented = false;
+                context._touchCapture = false;
+                return context;
+            }
+            else
+                return new EventContext();
+        }
+
+        internal static void Return(EventContext value)
+        {
+            pool.Push(value);
+        }
+
+
+
+#if UNITY_2019_3_OR_NEWER
+        [RuntimeInitializeOnLoadMethod(RuntimeInitializeLoadType.SubsystemRegistration)]
+        static void InitializeOnLoad()
+        {
+            pool.Clear();
+        }
+#endif
+    }
+
+}