From e5a2ef30f2bf06833b3b336a3a1919aa54ba49d5 Mon Sep 17 00:00:00 2001
From: Rachel Fenichel <fenichel@google.com>
Date: Thu, 15 Feb 2018 11:26:06 -0800
Subject: [PATCH] Switch to goog.events.BrowserFeature.POINTER_EVENTS

---
 core/blockly.js | 8 ++++++--
 core/touch.js   | 2 +-
 2 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/core/blockly.js b/core/blockly.js
index 892ee152e..d4a7a094b 100644
--- a/core/blockly.js
+++ b/core/blockly.js
@@ -53,7 +53,9 @@ goog.require('Blockly.WorkspaceSvg');
 goog.require('Blockly.constants');
 goog.require('Blockly.inject');
 goog.require('Blockly.utils');
+
 goog.require('goog.color');
+goog.require('goog.events.BrowserFeature');
 goog.require('goog.userAgent');
 
 
@@ -452,7 +454,8 @@ Blockly.bindEventWithChecks_ = function(node, name, thisObject, func,
 
   var bindData = [];
   // Don't register the mouse event if an equivalent pointer event is supported.
-  if (!window.PointerEvent || !(name in Blockly.Touch.TOUCH_MAP)) {
+  if (!goog.events.BrowserFeature.POINTER_EVENTS ||
+      !(name in Blockly.Touch.TOUCH_MAP)) {
     node.addEventListener(name, wrapFunc, false);
     bindData.push([node, name, wrapFunc]);
   }
@@ -501,7 +504,8 @@ Blockly.bindEvent_ = function(node, name, thisObject, func) {
 
   var bindData = [];
   // Don't register the mouse event if an equivalent pointer event is supported.
-  if (!window.PointerEvent || !(name in Blockly.Touch.TOUCH_MAP)) {
+  if (!goog.events.BrowserFeature.POINTER_EVENTS ||
+      !(name in Blockly.Touch.TOUCH_MAP)) {
     node.addEventListener(name, wrapFunc, false);
     bindData.push([node, name, wrapFunc]);
   }
diff --git a/core/touch.js b/core/touch.js
index 8aad46b08..7a883c241 100644
--- a/core/touch.js
+++ b/core/touch.js
@@ -48,7 +48,7 @@ Blockly.Touch.touchIdentifier_ = null;
  * @type {Object}
  */
 Blockly.Touch.TOUCH_MAP = {};
-if (window.PointerEvent) {
+if (goog.events.BrowserFeature.POINTER_EVENTS) {
   Blockly.Touch.TOUCH_MAP = {
     'mousedown': ['pointerdown'],
     'mousemove': ['pointermove'],