1 files changed, 35 insertions, 0 deletions
diff --git a/public/js/vendor/util.js b/public/js/vendor/util.js
index 0f5c6ed..7c73ae2 100644
--- a/public/js/vendor/util.js
+++ b/public/js/vendor/util.js
@@ -240,6 +240,41 @@ if (!Function.prototype.bind) {
         };
 }());
 
+// Identify browser based on useragent string
+(function( ua ) {
+  ua = ua.toLowerCase();
+  var match = /(chrome)[ \/]([\w.]+)/.exec( ua ) ||
+    /(webkit)[ \/]([\w.]+)/.exec( ua ) ||
+    /(opera)(?:.*version|)[ \/]([\w.]+)/.exec( ua ) ||
+    /(msie) ([\w.]+)/.exec( ua ) ||
+    ua.indexOf("compatible") < 0 && /(mozilla)(?:.*? rv:([\w.]+)|)/.exec( ua ) ||
+    [];
+  var matched = {
+    browser: match[ 1 ] || "",
+    version: match[ 2 ] || "0"
+  };
+  browser = {};
+  if ( matched.browser ) {
+      browser[ matched.browser ] = true;
+      browser.version = matched.version;
+  }
+  // Chrome is Webkit, but Webkit is also Safari.
+  if ( browser.chrome ) {
+    browser.webkit = true;
+  } else if ( browser.webkit ) {
+    browser.safari = true;
+  }
+  if (window.$) $.browser = browser;
+  return browser;
+})( navigator.userAgent );
+
+// Naive useragent detection pattern
+var is_iphone = (navigator.userAgent.match(/iPhone/i)) || (navigator.userAgent.match(/iPod/i))
+var is_ipad = (navigator.userAgent.match(/iPad/i))
+var is_android = (navigator.userAgent.match(/Android/i))
+var is_mobile = is_iphone || is_ipad || is_android
+var is_desktop = ! is_mobile;
+var app_devicePixelRatio = is_mobile ? devicePixelRatio : 1;
 
 function selectElementContents(el) {
   if (window.getSelection && document.createRange) {