content/minimalist.js

   1 (function() {
   2   function nodeFilter(node) {
   3     if (!(node.parentNode.tagName in ignore))
   4       return NodeFilter.FILTER_ACCEPT
   5   }
   6
   7   function metaHandler(event)
   8   {
   9     if (skipRefresh)
  10     {
  11       metaTags = event.target.getElementsByTagName('meta')
  12
  13       for (i in metaTags) {
  14         metaTag = metaTags[i]
  15
  16         if (metaTag.httpEquiv.toLowerCase() == 'refresh') {
  17           match = metaRE.exec(metaTag.content)
  18
  19           if (match != null) {
  20             srcURL.spec = event.target.location.href
  21             dstURL.spec = event.target.location.href
  22             srcURL.spec = srcURL.resolve(match[1])
  23
  24             if (!srcURL.equals(dstURL))
  25               event.target.location.replace(dstURL.spec)
  26           }
  27         }
  28       }
  29     }
  30
  31     if (enableLinkify)
  32     {
  33       nodeIterator = document.createNodeIterator(event.target, NodeFilter.SHOW_TEXT, { acceptNode: nodeFilter }, true)
  34       while (currentNode = nodeIterator.nextNode()) {
  35         if (nodeCarry)
  36           currentNode.parentNode.removeChild(currentNode.previousSibling)
  37
  38         if (currentNode.nextSibling && currentNode.nextSibling.nodeType == 3) {
  39           nodeCarry = nodeCarry + currentNode.data
  40           continue
  41         } else {
  42           splitData = (nodeCarry + currentNode.data).split(urlRE)
  43           nodeCarry = ''
  44         }
  45
  46         if (splitData.length > 1) {
  47           isText     = true
  48           lastNode   = currentNode
  49           parentNode = currentNode.parentNode
  50
  51           while (splitData.length) {
  52             token = splitData.pop()
  53             if (isText) {
  54               isText  = false
  55               newNode = document.createTextNode(carry + token)
  56               carry   = ''
  57             } else {
  58               carry = token.split(dlimRE)
  59               if (carry.length > 1) {
  60                 token = carry[0]
  61                 carry = carry[1]
  62               } else
  63                 carry = ''
  64
  65               newNode = document.createElementNS('http://www.w3.org/1999/xhtml', 'html:a')
  66               newNode.appendChild(document.createTextNode(token))
  67
  68               token = token.replace(httpRE, 'http')
  69               if (match = prepRE.exec(token))
  70                 token = prefix[match[1]] + token
  71
  72               newNode.setAttribute('href', token)
  73               isText = true
  74             }
  75             parentNode.insertBefore(newNode, lastNode)
  76             lastNode = newNode
  77           }
  78           parentNode.removeChild(currentNode)
  79         }
  80       }
  81     }
  82   }
  83
  84   function observe(subject, topic, data)
  85   {
  86     switch (topic)
  87     {
  88       case 'nsPref:changed':
  89         path = data.split('.')
  90         switch (path[2])
  91         {
  92           case 'linkify':
  93             enableLinkify = settings.getBoolPref(data)
  94             break
  95
  96           case 'skipRefresh':
  97             skipRefresh = settings.getBoolPref(data)
  98             break
  99         }
 100         break
 101     }
 102   }
 103
 104   var settings = Components.classes['@mozilla.org/preferences-service;1'].getService(Components.interfaces.nsIPrefBranch)
 105   settings.QueryInterface(Components.interfaces.nsIPrefBranch2)
 106   settings.addObserver('extensions.minimalist.', {observe: observe}, false)
 107   var enableLinkify = settings.getBoolPref('extensions.minimalist.linkify')
 108   var skipRefresh   = settings.getBoolPref('extensions.minimalist.skipRefresh')
 109
 110   var nodeCarry = ''
 111   var carry  = ''
 112   var prefix = {'www': 'http://', 'ftp': 'ftp://', 'irc': 'irc://'}
 113   var scheme = {'hxxp': 'http', 'h**p': 'http'}
 114   var dlimRE = /([.,;])$/
 115   var prepRE = /^(?![^:]*:\/\/)(?:.*?@)?(www|ftp|irc)/i
 116   var httpRE = /^(?:hxxp|h\*\*p)/i
 117   var metaRE = /url=(.+)/i
 118   var urlRE  = /((?:(?:[a-zA-Z][a-zA-Z0-9+\-.*]*:\/\/|about:|mailto:)(?:(?:[a-zA-Z0-9\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF!$&'()*+,;=:]|%[0-9a-fA-F]{2})*@)?|(?:(?:[a-zA-Z0-9\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF!$&'()*+,;=:]|%[0-9a-fA-F]{2})*@)?(?:ftp|irc|www)\.)(?:(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|(?:\[(?:(?:[0-9a-fA-F]{1,4}:){6}(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|::(?:[0-9a-fA-F]{1,4}:){5}(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|(?:[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){4}(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|\r\n(?:(?:[0-9a-fA-F]{1,4}:)?[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){3}(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|(?:(?:[0-9a-fA-F]{1,4}:){0,2}[0-9a-fA-F]{1,4})?::(?:[0-9a-fA-F]{1,4}:){2}(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|(?:(?:[0-9a-fA-F]{1,4}:){0,3}[0-9a-fA-F]{1,4})?::[0-9a-fA-F]{1,4}:(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|(?:(?:[0-9a-fA-F]{1,4}:){0,4}[0-9a-fA-F]{1,4})?::(?:(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])\.){3}(?:25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9][0-9]|[0-9])|(?:(?:[0-9a-fA-F]{1,4}:){0,5}[0-9a-fA-F]{1,4})?::[0-9a-fA-F]{1,4}|(?:(?:[0-9a-fA-F]{1,4}:){0,6}[0-9a-fA-F]{1,4})?::)|v[0-9a-fA-F]+\.[a-zA-Z0-9\-._~!$&'()*+,;=:]+\])|(?:[a-zA-Z0-9\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF!$&'()*+,;=]|%[0-9a-fA-F]{2})*)(?::[0-9]*)?(?:\/(?:[a-zA-Z0-9\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF!$&'()*+,;=:@]|%[0-9a-fA-F]{2})*)*(?:\?(?:[a-zA-Z0-9\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF\uE000-\uF8FF!$&'()*+,;=:@\/?]|%[0-9a-fA-F]{2})*)?(?:#(?:[a-zA-Z0-9\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF!$&'()*+,;=:@\/?]|%[0-9a-fA-F]{2})*)?)/
 119   var ignore = {'A': true, 'HEAD': true, 'META': true, 'SCRIPT': true, 'STYLE': true, 'TITLE': true}
 120   var srcURL = Components.classes['@mozilla.org/network/standard-url;1'].getService(Components.interfaces.nsIURI)
 121   var dstURL = srcURL.clone()
 122   getBrowser().addEventListener('DOMContentLoaded', metaHandler, false)
 123 })()