From 113eb8fa07365ba4606a7bd9d4098a9ce48d7882 Mon Sep 17 00:00:00 2001
From: xiaolou86 <lzhengwei@ikoyun.com>
Date: Mon, 12 Mar 2018 21:18:04 +0800
Subject: [PATCH] Fix bug for MouseEventConstructor compatible with webkit-3.0

---
 core/util/events.js | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/core/util/events.js b/core/util/events.js
index 8efd0c23..35cb4c31 100644
--- a/core/util/events.js
+++ b/core/util/events.js
@@ -27,7 +27,18 @@ function _captureProxy(e) {
     if (_captureRecursion) return;
 
     // Clone the event as we cannot dispatch an already dispatched event
-    var newEv = new e.constructor(e.type, e);
+    var newEv = null;
+    try {
+        newEv = new e.constructor(e.type, e);
+    } catch (error) {
+        // Compatible with webkit-3.0 for MouseEventConstructor
+        if ( Object.prototype.toString.call(e) === '[object MouseEvent]') {
+            newEv = document.createEvent("MouseEvent");
+            newEv.initMouseEvent(e.type, e.bubbles, e.cancelable, e.view, e.detail, e.screenX, e.screenY, e.clientX, e.clientY, e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, e.button, e.relatedTarget);
+        } else {
+            throw error;
+        }
+    }
 
     _captureRecursion = true;
     _captureElem.dispatchEvent(newEv);