browser check

app/assets/javascripts/app/lib/app_post/browser_check.js.coffee

@@ -0,0 +1,99 @@
+class App.browser extends App.Contoller
+  constructor: ->
+
+
+  init: ->
+    @browser = @searchString(@dataBrowser) or "An unknown browser"
+    @version = @searchVersion(navigator.userAgent) or @searchVersion(navigator.appVersion) or "an unknown version"
+    @OS = @searchString(@dataOS) or "an unknown OS"
+
+  searchString: (data) ->
+    i = 0
+
+  while i < data.length
+    dataString = data[i].string
+    dataProp = data[i].prop
+    @versionSearchString = data[i].versionSearch or data[i].identity
+    if dataString
+      return data[i].identity  unless dataString.indexOf(data[i].subString) is -1
+    else return data[i].identity  if dataProp
+    i++
+
+  searchVersion: (dataString) ->
+    index = dataString.indexOf(@versionSearchString)
+    return  if index is -1
+    parseFloat dataString.substring(index + @versionSearchString.length + 1)
+
+    dataBrowser: [
+      string: navigator.userAgent
+      subString: "Chrome"
+      identity: "Chrome"
+    ,
+      string: navigator.userAgent
+      subString: "OmniWeb"
+      versionSearch: "OmniWeb/"
+      identity: "OmniWeb"
+    ,
+      string: navigator.vendor
+      subString: "Apple"
+      identity: "Safari"
+      versionSearch: "Version"
+    ,
+      prop: window.opera
+      identity: "Opera"
+      versionSearch: "Version"
+    ,
+      string: navigator.vendor
+      subString: "iCab"
+      identity: "iCab"
+    ,
+      string: navigator.vendor
+      subString: "KDE"
+      identity: "Konqueror"
+    ,
+      string: navigator.userAgent
+      subString: "Firefox"
+      identity: "Firefox"
+    ,
+      string: navigator.vendor
+      subString: "Camino"
+      identity: "Camino"
+    ,
+      # for newer Netscapes (6+)
+      string: navigator.userAgent
+      subString: "Netscape"
+      identity: "Netscape"
+    ,
+      string: navigator.userAgent
+      subString: "MSIE"
+      identity: "Explorer"
+      versionSearch: "MSIE"
+    ,
+      string: navigator.userAgent
+      subString: "Gecko"
+      identity: "Mozilla"
+      versionSearch: "rv"
+    ,
+      # for older Netscapes (4-)
+      string: navigator.userAgent
+      subString: "Mozilla"
+      identity: "Netscape"
+      versionSearch: "Mozilla"
+    ]
+    dataOS: [
+      string: navigator.platform
+      subString: "Win"
+      identity: "Windows"
+    ,
+      string: navigator.platform
+      subString: "Mac"
+      identity: "Mac"
+    ,
+      string: navigator.userAgent
+      subString: "iPhone"
+      identity: "iPhone/iPod"
+    ,
+      string: navigator.platform
+      subString: "Linux"
+      identity: "Linux"
+    ]