michael@0: function getFileStream(filename)
michael@0: {
michael@0:   // Get the location of this sjs file, and then use that to figure out where
michael@0:   // to find where our other files are.
michael@0:   var self = Components.classes["@mozilla.org/file/local;1"]
michael@0:                        .createInstance(Components.interfaces.nsILocalFile);
michael@0:   self.initWithPath(getState("__LOCATION__"));
michael@0:   var file = self.parent;
michael@0:   file.append(filename);
michael@0:   dump(file.path + "\n");
michael@0: 
michael@0:   var fileStream = Components.classes['@mozilla.org/network/file-input-stream;1']
michael@0:                      .createInstance(Components.interfaces.nsIFileInputStream);
michael@0:   fileStream.init(file, 1, 0, false);
michael@0: 
michael@0:   return fileStream;
michael@0: }
michael@0: 
michael@0: var gTimer;
michael@0: 
michael@0: function handleRequest(request, response)
michael@0: {
michael@0:   response.processAsync();
michael@0:   response.setStatusLine(request.httpVersion, 200, "OK");
michael@0:   response.setHeader("Content-Type", "image/gif", false);
michael@0: 
michael@0:   var firststream = getFileStream("threeframes-start.gif");
michael@0:   response.bodyOutputStream.writeFrom(firststream, firststream.available())
michael@0:   firststream.close();
michael@0: 
michael@0:   gTimer = Components.classes["@mozilla.org/timer;1"].createInstance(Components.interfaces.nsITimer);
michael@0:   gTimer.initWithCallback(function()
michael@0:   {
michael@0:     var secondstream = getFileStream("threeframes-end.gif");
michael@0:     response.bodyOutputStream.writeFrom(secondstream, secondstream.available())
michael@0:     secondstream.close();
michael@0:     response.finish();
michael@0: 
michael@0:     // This time needs to be longer than the animation timer in
michael@0:     // threeframes-start.gif. That's specified as 100ms; just use 5 seconds as
michael@0:     // a reasonable upper bound. Since this is just a crashtest, timeouts
michael@0:     // aren't a big deal.
michael@0:   }, 5 * 1000 /* milliseconds */, Components.interfaces.nsITimer.TYPE_ONE_SHOT);
michael@0: }