/
pubnub-3.3.js
1032 lines (903 loc) · 30.8 KB
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pubnub-3.3.js
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/* ---------------------------------------------------------------------------
WAIT! - This file depends on instructions from the PUBNUB Cloud.
http://www.pubnub.com/account-javascript-api-include
--------------------------------------------------------------------------- */
/* ---------------------------------------------------------------------------
PubNub Real-time Cloud-Hosted Push API and Push Notification Client Frameworks
Copyright (c) 2011 PubNub Inc.
http://www.pubnub.com/
http://www.pubnub.com/terms
--------------------------------------------------------------------------- */
/* ---------------------------------------------------------------------------
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
--------------------------------------------------------------------------- */
/* =-====================================================================-= */
/* =-====================================================================-= */
/* =-========================= JSON =============================-= */
/* =-====================================================================-= */
/* =-====================================================================-= */
(window['JSON'] && window['JSON']['stringify']) || (function () {
window['JSON'] || (window['JSON'] = {});
if (typeof String.prototype.toJSON !== 'function') {
String.prototype.toJSON =
Number.prototype.toJSON =
Boolean.prototype.toJSON = function (key) {
return this.valueOf();
};
}
var cx = /[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
escapable = /[\\\"\x00-\x1f\x7f-\x9f\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g,
gap,
indent,
meta = { // table of character substitutions
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'"' : '\\"',
'\\': '\\\\'
},
rep;
function quote(string) {
escapable.lastIndex = 0;
return escapable.test(string) ?
'"' + string.replace(escapable, function (a) {
var c = meta[a];
return typeof c === 'string' ? c :
'\\u' + ('0000' + a.charCodeAt(0).toString(16)).slice(-4);
}) + '"' :
'"' + string + '"';
}
function str(key, holder) {
var i, // The loop counter.
k, // The member key.
v, // The member value.
length,
mind = gap,
partial,
value = holder[key];
if (value && typeof value === 'object' &&
typeof value.toJSON === 'function') {
value = value.toJSON(key);
}
if (typeof rep === 'function') {
value = rep.call(holder, key, value);
}
switch (typeof value) {
case 'string':
return quote(value);
case 'number':
return isFinite(value) ? String(value) : 'null';
case 'boolean':
case 'null':
return String(value);
case 'object':
if (!value) {
return 'null';
}
gap += indent;
partial = [];
if (Object.prototype.toString.apply(value) === '[object Array]') {
length = value.length;
for (i = 0; i < length; i += 1) {
partial[i] = str(i, value) || 'null';
}
v = partial.length === 0 ? '[]' :
gap ? '[\n' + gap +
partial.join(',\n' + gap) + '\n' +
mind + ']' :
'[' + partial.join(',') + ']';
gap = mind;
return v;
}
if (rep && typeof rep === 'object') {
length = rep.length;
for (i = 0; i < length; i += 1) {
k = rep[i];
if (typeof k === 'string') {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
} else {
for (k in value) {
if (Object.hasOwnProperty.call(value, k)) {
v = str(k, value);
if (v) {
partial.push(quote(k) + (gap ? ': ' : ':') + v);
}
}
}
}
v = partial.length === 0 ? '{}' :
gap ? '{\n' + gap + partial.join(',\n' + gap) + '\n' +
mind + '}' : '{' + partial.join(',') + '}';
gap = mind;
return v;
}
}
if (typeof JSON['stringify'] !== 'function') {
JSON['stringify'] = function (value, replacer, space) {
var i;
gap = '';
indent = '';
if (typeof space === 'number') {
for (i = 0; i < space; i += 1) {
indent += ' ';
}
} else if (typeof space === 'string') {
indent = space;
}
rep = replacer;
if (replacer && typeof replacer !== 'function' &&
(typeof replacer !== 'object' ||
typeof replacer.length !== 'number')) {
throw new Error('JSON.stringify');
}
return str('', {'': value});
};
}
if (typeof JSON['parse'] !== 'function') {
// JSON is parsed on the server for security.
JSON['parse'] = function (text) {return eval('('+text+')')};
}
}());
/* =-====================================================================-= */
/* =-====================================================================-= */
/* =-======================= DOM UTIL ===========================-= */
/* =-====================================================================-= */
/* =-====================================================================-= */
window['PUBNUB'] || (function() {
/**
* CONSOLE COMPATIBILITY
*/
window.console||(window.console=window.console||{});
console.log||(console.log=((window.opera||{}).postError||function(){}));
/**
* UTILITIES
*/
function unique() { return'x'+ ++NOW+''+(+new Date) }
function rnow() { return+new Date }
/**
* LOCAL STORAGE OR COOKIE
*/
var db = (function(){
var ls = window['localStorage'];
return {
'get' : function(key) {
try {
if (ls) return ls.getItem(key);
if (document.cookie.indexOf(key) == -1) return null;
return ((document.cookie||'').match(
RegExp(key+'=([^;]+)')
)||[])[1] || null;
} catch(e) { return }
},
'set' : function( key, value ) {
try {
if (ls) return ls.setItem( key, value ) && 0;
document.cookie = key + '=' + value +
'; expires=Thu, 1 Aug 2030 20:00:00 UTC; path=/';
} catch(e) { return }
}
};
})();
/**
* UTIL LOCALS
*/
var NOW = 1
, SWF = 'https://dh15atwfs066y.cloudfront.net/pubnub.swf'
, REPL = /{([\w\-]+)}/g
, ASYNC = 'async'
, URLBIT = '/'
, PARAMSBIT = '&'
, XHRTME = 310000
, SECOND = 1000
, PRESENCE_SUFFIX = '-pnpres'
, UA = navigator.userAgent
, XORIGN = UA.indexOf('MSIE 6') == -1;
/**
* NEXTORIGIN
* ==========
* var next_origin = nextorigin();
*/
var nextorigin = (function() {
var ori = Math.floor(Math.random() * 9) + 1;
return function(origin) {
return origin.indexOf('pubsub') > 0
&& origin.replace(
'pubsub', 'ps' + (++ori < 10 ? ori : ori=1)
) || origin;
}
})();
/**
* UPDATER
* ======
* var timestamp = unique();
*/
function updater( fun, rate ) {
var timeout
, last = 0
, runnit = function() {
if (last + rate > rnow()) {
clearTimeout(timeout);
timeout = setTimeout( runnit, rate );
}
else {
last = rnow();
fun();
}
};
return runnit;
}
/**
* $
* =
* var div = $('divid');
*/
function $(id) { return document.getElementById(id) }
/**
* LOG
* ===
* log('message');
*/
function log(message) { console['log'](message) }
/**
* SEARCH
* ======
* var elements = search('a div span');
*/
function search( elements, start ) {
var list = [];
each( elements.split(/\s+/), function(el) {
each( (start || document).getElementsByTagName(el), function(node) {
list.push(node);
} );
} );
return list;
}
/**
* EACH
* ====
* each( [1,2,3], function(item) { console.log(item) } )
*/
function each( o, f ) {
if ( !o || !f ) return;
if ( typeof o[0] != 'undefined' )
for ( var i = 0, l = o.length; i < l; )
f.call( o[i], o[i], i++ );
else
for ( var i in o )
o.hasOwnProperty &&
o.hasOwnProperty(i) &&
f.call( o[i], i, o[i] );
}
/**
* MAP
* ===
* var list = map( [1,2,3], function(item) { return item + 1 } )
*/
function map( list, fun ) {
var fin = [];
each( list || [], function( k, v ) { fin.push(fun( k, v )) } );
return fin;
}
/**
* GREP
* ====
* var list = grep( [1,2,3], function(item) { return item % 2 } )
*/
function grep( list, fun ) {
var fin = [];
each( list || [], function(l) { fun(l) && fin.push(l) } );
return fin
}
/**
* SUPPLANT
* ========
* var text = supplant( 'Hello {name}!', { name : 'John' } )
*/
function supplant( str, values ) {
return str.replace( REPL, function( _, match ) {
return values[match] || _
} );
}
/**
* BIND
* ====
* bind( 'keydown', search('a')[0], function(element) {
* console.log( element, '1st anchor' )
* } );
*/
function bind( type, el, fun ) {
each( type.split(','), function(etype) {
var rapfun = function(e) {
if (!e) e = window.event;
if (!fun(e)) {
e.cancelBubble = true;
e.returnValue = false;
e.preventDefault && e.preventDefault();
e.stopPropagation && e.stopPropagation();
}
};
if ( el.addEventListener ) el.addEventListener( etype, rapfun, false );
else if ( el.attachEvent ) el.attachEvent( 'on' + etype, rapfun );
else el[ 'on' + etype ] = rapfun;
} );
}
/**
* UNBIND
* ======
* unbind( 'keydown', search('a')[0] );
*/
function unbind( type, el, fun ) {
if ( el.removeEventListener ) el.removeEventListener( type, false );
else if ( el.detachEvent ) el.detachEvent( 'on' + type, false );
else el[ 'on' + type ] = null;
}
/**
* HEAD
* ====
* head().appendChild(elm);
*/
function head() { return search('head')[0] }
/**
* ATTR
* ====
* var attribute = attr( node, 'attribute' );
*/
function attr( node, attribute, value ) {
if (value) node.setAttribute( attribute, value );
else return node && node.getAttribute && node.getAttribute(attribute);
}
/**
* CSS
* ===
* var obj = create('div');
*/
function css( element, styles ) {
for (var style in styles) if (styles.hasOwnProperty(style))
try {element.style[style] = styles[style] + (
'|width|height|top|left|'.indexOf(style) > 0 &&
typeof styles[style] == 'number'
? 'px' : ''
)}catch(e){}
}
/**
* CREATE
* ======
* var obj = create('div');
*/
function create(element) { return document.createElement(element) }
/**
* timeout
* =======
* timeout( function(){}, 100 );
*/
function timeout( fun, wait ) {
return setTimeout( fun, wait );
}
/**
* jsonp_cb
* ========
* var callback = jsonp_cb();
*/
function jsonp_cb() { return XORIGN || FDomainRequest() ? 0 : unique() }
/**
* ENCODE
* ======
* var encoded_path = encode('path');
*/
function encode(path) {
return map( (encodeURIComponent(path)).split(''), function(chr) {
return "-_.!~*'()".indexOf(chr) < 0 ? chr :
"%"+chr.charCodeAt(0).toString(16).toUpperCase()
} ).join('');
}
/**
* EVENTS
* ======
* PUBNUB.events.bind( 'you-stepped-on-flower', function(message) {
* // Do Stuff with message
* } );
*
* PUBNUB.events.fire( 'you-stepped-on-flower', "message-data" );
* PUBNUB.events.fire( 'you-stepped-on-flower', {message:"data"} );
* PUBNUB.events.fire( 'you-stepped-on-flower', [1,2,3] );
*
*/
var events = {
'list' : {},
'unbind' : function( name ) { events.list[name] = [] },
'bind' : function( name, fun ) {
(events.list[name] = events.list[name] || []).push(fun);
},
'fire' : function( name, data ) {
each(
events.list[name] || [],
function(fun) { fun(data) }
);
}
};
/**
* XDR Cross Domain Request
* ========================
* xdr({
* url : ['http://www.blah.com/url'],
* success : function(response) {},
* fail : function() {}
* });
*/
function xdr( setup ) {
if (XORIGN || FDomainRequest()) return ajax(setup);
var script = create('script')
, callback = setup.callback
, id = unique()
, finished = 0
, timer = timeout( function(){done(1)}, XHRTME )
, fail = setup.fail || function(){}
, success = setup.success || function(){}
, append = function() {
head().appendChild(script);
}
, done = function( failed, response ) {
if (finished) return;
finished = 1;
failed || success(response);
script.onerror = null;
clearTimeout(timer);
timeout( function() {
failed && fail();
var s = $(id)
, p = s && s.parentNode;
p && p.removeChild(s);
}, SECOND );
};
window[callback] = function(response) {
done( 0, response );
};
script[ASYNC] = ASYNC;
script.onerror = function() { done(1) };
script.src = setup.url.join(URLBIT);
if (setup.data) {
var params = [];
script.src += "?";
for (key in setup.data) {
params.push(key+"="+setup.data[key]);
}
script.src += params.join(PARAMSBIT);
}
attr( script, 'id', id );
append();
return done;
}
/**
* CORS XHR Request
* ================
* xdr({
* url : ['http://www.blah.com/url'],
* success : function(response) {},
* fail : function() {}
* });
*/
function ajax( setup ) {
var xhr, response
, finished = function() {
if (loaded) return;
loaded = 1;
clearTimeout(timer);
try { response = JSON['parse'](xhr.responseText); }
catch (r) { return done(1); }
success(response);
}
, complete = 0
, loaded = 0
, timer = timeout( function(){done(1)}, XHRTME )
, fail = setup.fail || function(){}
, success = setup.success || function(){}
, done = function(failed) {
if (complete) return;
complete = 1;
clearTimeout(timer);
if (xhr) {
xhr.onerror = xhr.onload = null;
xhr.abort && xhr.abort();
xhr = null;
}
failed && fail();
};
// Send
try {
xhr = FDomainRequest() ||
window.XDomainRequest &&
new XDomainRequest() ||
new XMLHttpRequest();
xhr.onerror = xhr.onabort = function(){ done(1) };
xhr.onload = xhr.onloadend = finished;
xhr.timeout = XHRTME;
url = setup.url.join(URLBIT);
if (setup.data) {
var params = [];
url += "?";
for (key in setup.data) {
params.push(key+"="+setup.data[key]);
}
url += params.join(PARAMSBIT);
}
xhr.open( 'GET', url, true );
xhr.send();
}
catch(eee) {
done(0);
XORIGN = 0;
return xdr(setup);
}
// Return 'done'
return done;
}
/* =-====================================================================-= */
/* =-====================================================================-= */
/* =-========================= PUBNUB ===========================-= */
/* =-====================================================================-= */
/* =-====================================================================-= */
var PDIV = $('pubnub') || {}
, READY = 0
, READY_BUFFER = []
, CREATE_PUBNUB = function(setup) {
var CHANNELS = {}
, PUBLISH_KEY = setup['publish_key'] || ''
, SUBSCRIBE_KEY = setup['subscribe_key'] || ''
, SSL = setup['ssl'] ? 's' : ''
, UUID = setup['uuid'] || db.get(SUBSCRIBE_KEY+'uuid') || ''
, ORIGIN = 'http'+SSL+'://'+(setup['origin']||'pubsub.pubnub.com')
, SELF = {
/*
PUBNUB.history({
channel : 'my_chat_channel',
limit : 100,
callback : function(messages) { console.log(messages) }
});
*/
'history' : function( args, callback ) {
var callback = args['callback'] || callback
, limit = args['limit'] || 100
, channel = args['channel']
, jsonp = jsonp_cb();
// Make sure we have a Channel
if (!channel) return log('Missing Channel');
if (!callback) return log('Missing Callback');
// Send Message
xdr({
callback : jsonp,
url : [
ORIGIN, 'history',
SUBSCRIBE_KEY, encode(channel),
jsonp, limit
],
success : function(response) { callback(response) },
fail : function(response) { log(response) }
});
},
/*
PUBNUB.detailedHistory({
channel : 'my_chat_channel',
count : 100,
callback : function(messages) { console.log(messages) }
});
*/
'detailedHistory' : function( args, callback ) {
var callback = args['callback'] || callback
, count = args['count'] || 100
, channel = args['channel']
, reverse = args['reverse'] || "false"
, start = args['start']
, end = args['end']
, jsonp = jsonp_cb();
// Make sure we have a Channel
if (!channel) return log('Missing Channel');
if (!callback) return log('Missing Callback');
var params = {};
params["count"] = count;
params["reverse"] = reverse;
if (start)
params["start"] = start;
if (end)
params["end"] = end;
// Send Message
xdr({
callback : jsonp,
url : [
ORIGIN, 'v2', 'history',
'sub-key', SUBSCRIBE_KEY, 'channel', encode(channel)
],
data : params,
success : function(response) { callback(response) },
fail : function(response) { log(response) }
});
},
/*
PUBNUB.time(function(time){ console.log(time) });
*/
'time' : function(callback) {
var jsonp = jsonp_cb();
xdr({
callback : jsonp,
url : [ORIGIN, 'time', jsonp],
success : function(response) { callback(response[0]) },
fail : function() { callback(0) }
});
},
/*
PUBNUB.uuid(function(uuid) { console.log(uuid) });
*/
'uuid' : function(callback) {
var u = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random()*16|0, v = c == 'x' ? r : (r&0x3|0x8);
return v.toString(16);
});
if (callback) callback(u);
return u;
},
/*
PUBNUB.publish({
channel : 'my_chat_channel',
message : 'hello!'
});
*/
'publish' : function( args, callback ) {
var callback = callback || args['callback'] || function(){}
, message = args['message']
, channel = args['channel']
, jsonp = jsonp_cb()
, url;
if (!message) return log('Missing Message');
if (!channel) return log('Missing Channel');
if (!PUBLISH_KEY) return log('Missing Publish Key');
// If trying to send Object
message = JSON['stringify'](message);
// Create URL
url = [
ORIGIN, 'publish',
PUBLISH_KEY, SUBSCRIBE_KEY,
0, encode(channel),
jsonp, encode(message)
];
// Send Message
xdr({
callback : jsonp,
success : function(response) { callback(response) },
fail : function() { callback([ 0, 'Disconnected' ]) },
url : url,
data : { uuid: UUID }
});
},
/*
PUBNUB.unsubscribe({ channel : 'my_chat' });
*/
'unsubscribe' : function(args) {
// Unsubscribe from both the Channel and the Presence Channel
_unsubscribe(args['channel']);
_unsubscribe(args['channel'] + PRESENCE_SUFFIX);
function _unsubscribe(channel) {
// Leave if there never was a channel.
if (!(channel in CHANNELS)) return;
// Disable Channel
CHANNELS[channel].connected = 0;
// Abort and Remove Script
CHANNELS[channel].done &&
CHANNELS[channel].done(0);
}
},
/*
PUBNUB.subscribe({
channel : 'my_chat'
callback : function(message) { console.log(message) }
});
*/
'subscribe' : function( args, callback ) {
var channel = args['channel']
, callback = callback || args['callback']
, subscribe_key= args['subscribe_key'] || SUBSCRIBE_KEY
, restore = args['restore']
, timetoken = 0
, error = args['error'] || function(){}
, connect = args['connect'] || function(){}
, reconnect = args['reconnect'] || function(){}
, disconnect = args['disconnect'] || function(){}
, presence = args['presence'] || function(){}
, disconnected = 0
, connected = 0
, origin = nextorigin(ORIGIN);
// Reduce Status Flicker
if (!READY) return READY_BUFFER.push([ args, callback, SELF ]);
// Make sure we have a Channel
if (!channel) return log('Missing Channel');
if (!callback) return log('Missing Callback');
if (!SUBSCRIBE_KEY) return log('Missing Subscribe Key');
if (!(channel in CHANNELS)) CHANNELS[channel] = {};
// Make sure we have a Channel
if (CHANNELS[channel].connected) return log('Already Connected');
CHANNELS[channel].connected = 1;
// Recurse Subscribe
function _connect() {
var jsonp = jsonp_cb();
// Stop Connection
if (!CHANNELS[channel].connected) return;
// Connect to PubNub Subscribe Servers
CHANNELS[channel].done = xdr({
callback : jsonp,
url : [
origin, 'subscribe',
subscribe_key, encode(channel),
jsonp, timetoken
],
data : { uuid: UUID },
fail : function() {
// Disconnect
if (!disconnected) {
disconnected = 1;
disconnect();
}
timeout( _connect, SECOND );
SELF['time'](function(success){
// Reconnect
if (success && disconnected) {
disconnected = 0;
reconnect();
}
else {
error();
}
});
},
success : function(messages) {
if (!CHANNELS[channel].connected) return;
// Connect
if (!connected) {
connected = 1;
connect();
}
// Reconnect
if (disconnected) {
disconnected = 0;
reconnect();
}
// Restore Previous Connection Point if Needed
// Also Update Timetoken
restore = db.set(
SUBSCRIBE_KEY + channel,
timetoken = restore && db.get(
subscribe_key + channel
) || messages[1]
);
each( messages[0], function(msg) {
callback( msg, messages );
} );
timeout( _connect, 10 );
}
});
}
// Presence Subscribe
if (args['presence']) SELF.subscribe({
channel : args['channel'] + PRESENCE_SUFFIX,
callback : presence,
restore : args['restore']
});
// Begin Recursive Subscribe
_connect();
},
'here_now' : function( args, callback ) {
var callback = args['callback'] || callback
, channel = args['channel']
, jsonp = jsonp_cb()
, origin = nextorigin(ORIGIN);
// Make sure we have a Channel
if (!channel) return log('Missing Channel');
if (!callback) return log('Missing Callback');
data = null;
if (jsonp != '0') { data['callback']=jsonp; }
// Send Message
xdr({
callback : jsonp,
url : [
origin, 'v2', 'presence',
'sub_key', SUBSCRIBE_KEY,
'channel', encode(channel)
],
data: data,
success : function(response) { callback(response) },
fail : function(response) { log(response) }
});
},
// Expose PUBNUB Functions
'xdr' : xdr,
'ready' : ready,
'db' : db,
'each' : each,
'map' : map,
'css' : css,
'$' : $,
'create' : create,
'bind' : bind,
'supplant' : supplant,
'head' : head,
'search' : search,
'attr' : attr,
'now' : rnow,
'unique' : unique,
'events' : events,
'updater' : updater,
'init' : CREATE_PUBNUB
};
if (UUID == '') UUID = SELF.uuid();
db.set(SUBSCRIBE_KEY+'uuid', UUID);
return SELF;
};
// CREATE A PUBNUB GLOBAL OBJECT
PUBNUB = CREATE_PUBNUB({
'publish_key' : attr( PDIV, 'pub-key' ),
'subscribe_key' : attr( PDIV, 'sub-key' ),
'ssl' : attr( PDIV, 'ssl' ) == 'on',
'origin' : attr( PDIV, 'origin' ),
'uuid' : attr( PDIV, 'uuid' )
});
// PUBNUB Flash Socket
css( PDIV, { 'position' : 'absolute', 'top' : -SECOND } );
if ('opera' in window || attr( PDIV, 'flash' )) PDIV['innerHTML'] =
'<object id=pubnubs data=' + SWF +
'><param name=movie value=' + SWF +
'><param name=allowscriptaccess value=always></object>';
var pubnubs = $('pubnubs') || {};
// PUBNUB READY TO CONNECT
function ready() { PUBNUB['time'](rnow);
PUBNUB['time'](function(t){ timeout( function() {
if (READY) return;
READY = 1;
each( READY_BUFFER, function(sub) {
sub[2]['subscribe']( sub[0], sub[1] )
} );
}, SECOND ); }); }
// Bind for PUBNUB Readiness to Subscribe
bind( 'load', window, function(){ timeout( ready, 0 ) } );