Dogcows Code - chaz/chatty/blob - extra/cometd/public_html/stream.html

   1 <html>
   2 <body>
   3 <script type="text/javascript">
   4 window.onError = null;
   5 var domainparts = document.domain.split(".");
   6 document.domain = domainparts[domainparts.length-2]+"."+domainparts[domainparts.length-1];
   7 parent.Meteor.register(this);
   8 var streamreq;
   9 var byteoffset;
  10 var newdata;
  11
  12 function abort() {
  13         streamreq.abort();
  14 }
  15
  16 function newXmlHttp() {
  17     try { return new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) {}
  18     try { return new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) {}
  19     try { return new XMLHttpRequest(); } catch(e) {}
  20     return null;
  21 }
  22
  23 function startstream() {
  24         streamreq = newXmlHttp();
  25         byteoffset = 0;
  26         newdata = "";
  27         var url = parent.Meteor.getSubsUrl();
  28         streamreq.open("GET", url, true);
  29         streamreq.onreadystatechange = function() {
  30                 if (typeof streamreq == "undefined") return;
  31                 if (streamreq.readyState == 3) {
  32                         extractEvents(streamreq.responseText);
  33                 } else if (streamreq.readyState == 4) {
  34                         extractEvents(streamreq.responseText);
  35                         delete streamreq;
  36                         if (typeof(r)=="function") {
  37                                 r();
  38                         }
  39                 }
  40         }
  41         streamreq.send(null);
  42 }
  43
  44 function extractEvents(responsestr) {
  45         newdata += responsestr.substring(byteoffset);
  46         byteoffset = responsestr.length;
  47         while (1) {
  48                 var x = newdata.indexOf("<s"+"cript>");
  49                 if (x != -1) {
  50                         y = newdata.indexOf("</"+"script>", x);
  51                         if (y != -1) {
  52                                 eval(newdata.substring((x+8),y));
  53                                 newdata = newdata.substring(y+9);
  54                         } else {
  55
  56                                 // Last message is incomplete.  Ignore it and it will be processed next time
  57                                 break;
  58                         }
  59                 } else {
  60
  61                         // No more messages
  62                         break;
  63                 }
  64         }
  65 }
  66
  67
  68
  69 startstream();
  70 </script>
  71 </body>
  72 </html>