From 3b01014ac8893d3726acb75fd79c70225e5d4690 Mon Sep 17 00:00:00 2001
From: Mark Salsbery <msalsbery@hotmail.com>
Date: Tue, 20 Jan 2015 10:26:14 -0800
Subject: [PATCH] Fixed pointer event model detection for IE 10 (#571)

---
 changelog.txt       | 1 +
 src/mousetracker.js | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/changelog.txt b/changelog.txt
index e3bd3156..4d0ebbae 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -20,6 +20,7 @@ OPENSEADRAGON CHANGELOG
 * Requesting keyboard focus when viewer is clicked (#537)
 * Arrow key navigation fixed across platforms (#565)
 * Removed textarea element from viewer DOM. Viewer.canvas now handles keyboard navigation (#569)
+* Fixed pointer event model detection for IE 10 (#571)
 
 1.2.0:
 
diff --git a/src/mousetracker.js b/src/mousetracker.js
index 9e8f25ef..8693067e 100644
--- a/src/mousetracker.js
+++ b/src/mousetracker.js
@@ -988,7 +988,7 @@
             $.MouseTracker.maxTouchPoints = 0;
         }
         $.MouseTracker.haveMouseEnter = false;
-    } else if ( window.MSPointerEvent ) {
+    } else if ( window.MSPointerEvent && window.navigator.msPointerEnabled ) {
         // IE10
         $.MouseTracker.havePointerEvents = true;
         $.MouseTracker.subscribeEvents.push( "MSPointerOver", "MSPointerOut", "MSPointerDown", "MSPointerUp", "MSPointerMove", "MSPointerCancel" );