Add a quick test for multitouch. If you can't get the number reported higher

than one, your browser doesn't support multitouch. git-svn-id: http://svn.openlayers.org/trunk/openlayers@11545 dc9f47b5-9b13-0410-9fdd-eb0c1a62fdaf
2011-02-26 09:56:43 +00:00
parent f785153bca
commit b3091002f6
1 changed files with 22 additions and 0 deletions
--- a/examples/multitouch.html
+++ b/examples/multitouch.html
@@ -0,0 +1,22 @@
+<html>
+  <head>
+   <title>Multitouch Test</title>
+  </head>
+  <body>
+   <div style="width:80%; height: 80%; border: 1px solid black; font-size: 5em;" id="box">
+   </div>
+   Touch inside the box. On a touch enabled browser, you will get the number
+   of detected touch events. If the box is red, your browser does not support
+   touch events.
+  <script>
+    var box = document.getElementById("box");
+    box.addEventListener("touchstart", function(evt) {
+        box.innerHTML = evt.touches.length;
+        evt.preventDefault();
+    });    
+    if (!(typeof box.ontouchstart != 'undefined')) { 
+        box.style.backgroundColor = "red";
+    }    
+  </script>
+  </body>
+</html>