From bbab2a3c5360cbf8b4dcfd13af2503e29911ab0e Mon Sep 17 00:00:00 2001
From: Hyunje Alex Jun <me@noraesae.net>
Date: Sat, 24 Jan 2015 15:15:42 +0000
Subject: [PATCH] Separate env helpers.

---
 src/js/lib/helper.js | 8 ++++++--
 src/js/plugin/ps.js  | 9 +++------
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/src/js/lib/helper.js b/src/js/lib/helper.js
index 482c609..c87206c 100644
--- a/src/js/lib/helper.js
+++ b/src/js/lib/helper.js
@@ -13,8 +13,6 @@ exports.toInt = function (x) {
   }
 };
 
-exports.isWebKit = 'WebkitAppearance' in document.documentElement.style;
-
 exports.clone = function (obj) {
   if (obj === null) {
     return null;
@@ -43,3 +41,9 @@ exports.isEditable = function (el) {
          d.matches(el, "textarea,[contenteditable]") ||
          d.matches(el, "button,[contenteditable]");
 };
+
+exports.env = {
+  isWebKit: 'WebkitAppearance' in document.documentElement.style,
+  supportsTouch: (('ontouchstart' in window) || window.DocumentTouch && document instanceof window.DocumentTouch),
+  supportsIePointer: window.navigator.msMaxTouchPoints !== null
+};
diff --git a/src/js/plugin/ps.js b/src/js/plugin/ps.js
index bd640ed..4db586a 100644
--- a/src/js/plugin/ps.js
+++ b/src/js/plugin/ps.js
@@ -349,7 +349,7 @@ module.exports = function (element, settingOrCommand) {
       // FIXME: this is a quick fix for the select problem in FF and IE.
       // If there comes an effective way to deal with the problem,
       // this lines should be removed.
-      if (!h.isWebKit && element.querySelector('select:focus')) {
+      if (!h.env.isWebKit && element.querySelector('select:focus')) {
         return;
       }
 
@@ -769,9 +769,6 @@ module.exports = function (element, settingOrCommand) {
     isPluginAlive = false;
   }
 
-  var supportsTouch = (('ontouchstart' in window) || window.DocumentTouch && document instanceof window.DocumentTouch);
-  var supportsIePointer = window.navigator.msMaxTouchPoints !== null;
-
   function initialize() {
     updateGeometry();
     bindScrollHandler();
@@ -781,8 +778,8 @@ module.exports = function (element, settingOrCommand) {
     bindSelectionHandler();
     bindMouseWheelHandler();
 
-    if (supportsTouch || supportsIePointer) {
-      bindTouchHandler(supportsTouch, supportsIePointer);
+    if (h.env.supportsTouch || h.env.supportsIePointer) {
+      bindTouchHandler(h.env.supportsTouch, h.env.supportsIePointer);
     }
     if (settings.useKeyboard) {
       bindKeyboardHandler();