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|
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html;charset=utf-8" />
<script type="text/javascript">
// see http://stackoverflow.com/questions/1206937/javascript-domready
var domLoaded = function(callback) {
/* Internet Explorer */
/*@cc_on
@if (@_win32 || @_win64)
document.write('<script id="ieScriptLoad" defer src="//:"><\/script>');
document.getElementById('ieScriptLoad').onreadystatechange = function() {
if (this.readyState == 'complete') {
callback();
}
};
@end @*/
/* Mozilla, Chrome, Opera */
if (document.addEventListener) {
document.addEventListener('DOMContentLoaded', callback, false);
return;
}
/* Safari, iCab, Konqueror */
if (/KHTML|WebKit|iCab/i.test(navigator.userAgent)) {
var DOMLoadTimer = setInterval(function () {
if (/loaded|complete/i.test(document.readyState)) {
callback();
clearInterval(DOMLoadTimer);
}
}, 10);
return;
}
/* Other web browsers */
window.onload = callback;
};
</script>
<script type="text/javascript">
function CometSession(options) {
/**
* Support for two-channel asynchronous http communication
*/
for (var key in options) {
if (options.hasOwnProperty(key)) {
this[key] = options[key];
}
}
var self = this;
this.xhr = (window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("MSXML2.XMLHTTP.3.0"));
this.cometPoll = (window.XMLHttpRequest ? new XMLHttpRequest() : new ActiveXObject("MSXML2.XMLHTTP.3.0"));
this.createUUID = function() {
// http://www.ietf.org/rfc/rfc4122.txt
var s = [];
var hexDigits = "0123456789abcdef";
for (var i = 0; i < 36; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
}
s[14] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
s[8] = s[13] = s[18] = s[23] = "-";
var uuid = s.join("");
return uuid;
}
this.longpoll = function() {
self.cometPoll.onreadystatechange = function() {
if (self.cometPoll.readyState === 4) {
if (self.cometPoll.status !== 200) {
self.longpoll();
return;
}
self.onRcvd(self.cometPoll);
self.longpoll();
}
};
// use token until we have a context
self.cometPoll.open("GET", self.server + (self.query ? "?" + self.query : ""));
self.cometPoll.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
self.cometPoll.send(null);
};
this.post = function(data) {
self.xhr.open("POST", self.server + (self.query ? "?" + self.query : ""));
self.xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
self.xhr.send(data);
}
}
</script>
<script type="text/javascript">
function MMISession(element, imURL, params) {
// copy all attributes passe as params
for (var key in params) {
if (params.hasOwnProperty(key)) {
this[key] = params[key];
}
}
var self = this;
// initialize base class with onData handler
this.__proto__ = new CometSession({
server: imURL,
onRcvd: function(data) {
var mmiEvent = data.responseXML.documentElement.firstChild;
var handler;
var replier;
switch (mmiEvent.localName) {
case "NewContextResponse":
self.context = mmiEvent.getAttribute("Context");
self.comet.query = "context=" + self.context;
break;
case "PrepareRequest":
handler = self.onPrepare;
replier = function(attrs) { sendMMIEvent("DoneNotification", attrs) };
break;
case "StartRequest":
handler = self.onStart;
replier = function(attrs) { sendMMIEvent("StartResponse", attrs) };
break;
case "CancelRequest":
handler = self.onCancel;
replier = function(attrs) { sendMMIEvent("CancelResponse", attrs) };
break;
case "PauseRequest":
handler = self.onPause;
replier = function(attrs) { sendMMIEvent("PauseResponse", attrs) };
break;
case "ResumeRequest":
handler = self.onResume;
replier = function(attrs) { sendMMIEvent("ResumeResponse", attrs) };
break;
case "ClearContextRequest":
handler = self.onClearContext;
replier = function(attrs) { sendMMIEvent("ClearContextResponse", attrs) };
break;
case "StatusRequest":
handler = self.onStatus;
replier = function(attrs) { sendMMIEvent("StatusResponse", attrs) };
break;
case "ExtensionNotification":
handler = self.onExtension;
break;
}
if (typeof handler === "function") {
var rc = handler(mmiEvent);
if (typeof replier === "function") {
if (rc === false) {
replier({ Status: "Failure"});
} else if (typeof rc === "object") {
replier(rc);
} else {
replier({ Status: "Success"});
}
}
}
}
});
this.comet = this.__proto__;
// get element as an HTML Node
if (typeof(element) === 'string') {
element = document.getElementById(element);
}
// assign attributes
this.mmiNS = "http://www.w3.org/2008/04/mmi-arch";
this.comet.query = "token=" + this.createUUID();
this.element = element;
this.init = function() {
sendMMIEvent("NewContextRequest");
self.longpoll();
}
// helper function to determine whether something is a html node
var isNode = function(o){
return (
typeof Node === "object" ? o instanceof Node :
o && typeof o === "object" && typeof o.nodeType === "number" && typeof o.nodeName==="string"
);
}
// helper function to determine whether something is a window
var isWindow = function(o){
return (
typeof Window === "object" ? o instanceof Window :
o && typeof o === "object" && typeof o.menubar === "object"
);
}
// serialize an object to be send
this.send = function(attr) {
// see also: https://raw.github.com/douglascrockford/JSON-js/master/cycle.js
var data = attr.Data;
// dispatch over thingy type here
if (typeof data === "object") {
var seen = [];
data = JSON.stringify(attr.Data, function(key, val) {
if (isNode(val)) {
// return a selection of attributes
return {
id: val.id,
tagName: val.tagName,
localName: val.localName,
};
/*
// return everything that is atomic - this is a lot with all the HTML inside
var nodeAttr = {};
for (var key in val) {
if (
key !== "outerHTML" &&
val.hasOwnProperty(key) &&
typeof val[key] !== "object" &&
typeof val[key] !== "function"
) {
nodeAttr[key] = val[key];
}
}
return nodeAttr;
*/
}
if (isWindow(val)) {
return;
}
if (typeof val === "object") {
if (seen.indexOf(val) >= 0)
return;
seen.push(val)
}
return val
});
}
attr.Data = data;
sendMMIEvent("ExtensionNotification", attr);
}
// register event handler if not given per constructor
if(typeof this.onStart !== "function") {
this.onStart = function(mmiEvent) {
var content = mmiEvent.firstChild;
var fromStartRequest = document.importNode(content.firstChild, true);
self.element.appendChild(fromStartRequest);
}
}
if(typeof this.onStatus !== "function") {
this.onStatus = function(mmiEvent) {
return true;
}
}
if(typeof this.onPrepare !== "function") {
this.onPrepare = function(mmiEvent) {
return true;
}
}
if(typeof this.onCancel !== "function") {
this.onCancel = function(mmiEvent) {
return true;
}
}
if(typeof this.onPause !== "function") {
this.onPause = function(mmiEvent) {
return true;
}
}
if(typeof this.onResume !== "function") {
this.onResume = function(mmiEvent) {
return true;
}
}
if(typeof this.onExtension !== "function") {
this.onExtension = function(mmiEvent) {
return true;
}
}
if(typeof this.onClearContext !== "function") {
this.onClearContext = function(mmiEvent) {
return true;
}
}
if(typeof this.onDone !== "function") {
this.onDone = function(mmiEvent) {
return true;
}
}
window.onbeforeunload=function(){
this.onDone();
sendMMIEvent("DoneNotification", attrs);
};
var sendMMIEvent = function(type, attrs) {
if (!attrs)
attrs = {};
if (!attrs["Source"]) // default for Source
attrs["Source"] = "HTML";
if (!attrs["Target"]) // default for Target
attrs["Target"] = self.imURL;
if (!attrs["RequestID"]) // default for RequestID
attrs["RequestID"] = self.createUUID();
var mmiDocument = '<mmi:mmi xmlns:mmi="' + self.mmiNS + '" version="1.0">' +
'<mmi:' + type + ' ';
if (self.context)
mmiDocument += 'mmi:Context="' + self.context + '" ';
for (attr in attrs) {
if (attr === "Data")
continue;
if (attr === "Content")
continue;
mmiDocument += 'mmi:' + attr + '="' + attrs[attr] + '" ';
}
mmiDocument += '>';
if (attrs["Data"])
mmiDocument += '<mmi:Data>' + "\n<![CDATA[\n" + attrs["Data"] + "\n]]>\n" + '</mmi:Data>';
if (attrs["Content"])
mmiDocument += '<mmi:Content>' + "\n<![CDATA[\n" + attrs["Content"] + "\n]]>\n" + '</mmi:Content>';
mmiDocument += '</mmi:' + type +'></mmi:mmi>',
self.post(mmiDocument);
}
};
</script>
<script type="text/javascript">
var mmiSession;
domLoaded(function () {
mmiSession = new MMISession("foo", "${im.url}", {
onExtension : function(mmiEvent) {
console.log(mmiEvent);
}
});
mmiSession.init();
});
</script>
</head>
<body class="tundra">
<div id="foo"></div>
</body>
</html>
|
