From 5ffff583a305adfdaab07287fc4c1541a14eff51 Mon Sep 17 00:00:00 2001
From: Daniel Freedman <dfreedm@google.com>
Date: Fri, 21 Feb 2014 11:14:15 -0800
Subject: [PATCH] Only fire tap for mouse if it came from a left click

Fixes #25
---
 src/tap.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/tap.js b/src/tap.js
index e7d3dc1..2476b10 100644
--- a/src/tap.js
+++ b/src/tap.js
@@ -63,9 +63,15 @@
         }
       }
     },
+    shouldTap: function(e) {
+      if (!e.tapPrevented) {
+        // only allow left click to tap for mouse
+        return e.pointerType === 'mouse' ? e.buttons === 1 : true;
+      }
+    },
     pointerup: function(inEvent) {
       var start = pointermap.get(inEvent.pointerId);
-      if (start && !inEvent.tapPrevented) {
+      if (start && this.shouldTap(inEvent)) {
         var t = scope.findLCA(start.target, inEvent.target);
         if (t) {
           var e = dispatcher.makeEvent('tap', {