1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
/*
* ***** BEGIN LICENSE BLOCK *****
* Copyright (c) 2011-2012 VMware, Inc.
*
* For the license see COPYING.
* ***** END LICENSE BLOCK *****
*/
var XhrReceiver = function(url, AjaxObject) {
var that = this;
var buf_pos = 0;
that.xo = new AjaxObject('POST', url, null);
that.xo.onchunk = function(status, text) {
if (status !== 200) return;
while (1) {
var buf = text.slice(buf_pos);
var p = buf.indexOf('\n');
if (p === -1) break;
buf_pos += p+1;
var msg = buf.slice(0, p);
that.dispatchEvent(new SimpleEvent('message', {data: msg}));
}
};
that.xo.onfinish = function(status, text) {
that.xo.onchunk(status, text);
that.xo = null;
var reason = status === 200 ? 'network' : 'permanent';
that.dispatchEvent(new SimpleEvent('close', {reason: reason}));
}
};
XhrReceiver.prototype = new REventTarget();
XhrReceiver.prototype.abort = function() {
var that = this;
if (that.xo) {
that.xo.close();
that.dispatchEvent(new SimpleEvent('close', {reason: 'user'}));
that.xo = null;
}
};
|