/**
* SWFAddress 2.4: Deep linking for Flash and Ajax <http://www.asual.com/swfaddress/>
*
* SWFAddress is (c) 2006-2009 Rostislav Hristov and contributors
* This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*
*/
/**
* @class The SWFAddress class can be configured with query parameters using the following format:
* swfaddress.js?history=1&tracker=pageTracker._trackPageview&strict=1.<br />
* The list of supported options include:<br /><br />
* <code>history:Boolean</code> - Enables or disables the creation of history entries.<br />
* <code>strict:Boolean</code> - Enables or disables the strict mode.<br />
* <code>tracker:String</code> - Sets a function for page view tracking.<br />
* @static
* @author Rostislav Hristov <http://www.asual.com>
* @author Matthew J Tretter <http://www.exanimo.com>
* @author Max Tafelmayer <http://www.tafelmayer.de>
* @author Piotr Zema <http://felixz.marknaegeli.com>
*/
var SWFAddress = new function() {
var _getHash = function() {
var index = _l.href.indexOf('#');
return index != -1 ? _ec(_dc(_l.href.substr(index + 1))) : '';
};
var _getWindow = function() {
try {
top.document;
return top;
} catch (e) {
return window;
}
};
var _strictCheck = function(value, force) {
if (_opts.strict)
value = force ? (value.substr(0, 1) != '/' ? '/' + value : value) : (value == '' ? '/' : value);
return value;
};
var _ieLocal = function(value, direction) {
return (_msie && _l.protocol == 'file:') ?
(direction ? _value.replace(/\?/, '%3F') : _value.replace(/%253F/, '?')) : value;
};
var _searchScript = function(el) {
if (el.childNodes) {
for (var i = 0, l = el.childNodes.length, s; i < l; i++) {
if (el.childNodes[i].src)
_url = String(el.childNodes[i].src);
if (s = _searchScript(el.childNodes[i]))
return s;
}
}
};
var _titleCheck = function() {
if (_d.title != _title && _d.title.indexOf('#') != -1)
_d.title = _title;
};
var _listen = function() {
if (!_silent) {
var hash = _getHash();
var diff = !(_value == hash);
if (_safari && _version < 523) {
if (_length != _h.length) {
_length = _h.length;
if (typeof _stack[_length - 1] != UNDEFINED)
_value = _stack[_length - 1];
_update.call(this, false);
}
} else if (_msie && diff) {
if (_version < 7)
_l.reload();
else
this.setValue(hash);
} else if (diff) {
_value = hash;
_update.call(this, false);
}
if (_msie)
_titleCheck.call(this);
}
};
var _bodyClick = function(e) {
if (_popup.length > 0) {
var popup = window.open(_popup[0], _popup[1], eval(_popup[2]));
if (typeof _popup[3] != UNDEFINED)
eval(_popup[3]);
}
_popup = [];
};
var _swfChange = function() {
for (var i = 0, id, obj, value = SWFAddress.getValue(), setter = 'setSWFAddressValue'; id = _ids[i]; i++) {
obj = document.getElementById(id);
if (obj) {
if (obj.parentNode && typeof obj.parentNode.so != UNDEFINED) {
obj.parentNode.so.call(setter, value);
} else {
if (!(obj && typeof obj[setter] != UNDEFINED)) {
var objects = obj.getElementsByTagName('object');
var embeds = obj.getElementsByTagName('embed');
obj = ((objects[0] && typeof objects[0][setter] != UNDEFINED) ?
objects[0] : ((embeds[0] && typeof embeds[0][setter] != UNDEFINED) ?
embeds[0] : null));
}
if (obj)
obj[setter](value);
}
} else if (obj = document[id]) {
if (typeof obj[setter] != UNDEFINED)
obj[setter](value);
}
}
};
var _jsDispatch = function(type) {
this.dispatchEvent(new SWFAddressEvent(type));
type = type.substr(0, 1).toUpperCase() + type.substr(1);
if(typeof this['on' + type] == FUNCTION)
this['on' + type]();
};
var _jsInit = function() {
if (_util.Browser.isSafari())
_d.body.addEventListener('click', _bodyClick);
_jsDispatch.call(this, 'init');
};
var _jsChange = function() {
_swfChange();
_jsDispatch.call(this, 'change');
};
var _update = function(internal) {
_jsChange.call(this);
if (internal) {
_jsDispatch.call(this, 'internalChange');
} else {
_jsDispatch.call(this, 'externalChange');
}
_st(_functions.bind(_track, this), 10);
};
var _track = function() {
var value = (_l.pathname + (/\/$/.test(_l.pathname) ? '' : '/') + this.getValue()).replace(/\/\//, '/').replace(/^\/$/, '');
var fn = _t[_opts.tracker];
if (typeof fn == FUNCTION)
fn(value);
else if (typeof _t.pageTracker != UNDEFINED && typeof _t.pageTracker._trackPageview == FUNCTION)
_t.pageTracker._trackPageview(value);
else if (typeof _t.urchinTracker == FUNCTION)
_t.urchinTracker(value);
};
var _htmlWrite = function() {
var doc = _frame.contentWindow.document;
doc.open();
doc.write('<html><head><title>' + _d.title + '</title><script>var ' + ID + ' = "' + _getHash() + '";</script></head></html>');
doc.close();
};
var _htmlLoad = function() {
var win = _frame.contentWindow;
var src = win.location.href;
_value = (typeof win[ID] != UNDEFINED ? win[ID] : '');
if (_value != _getHash()) {
_update.call(SWFAddress, false);
_l.hash = _ieLocal(_value, TRUE);
}
};
var _load = function() {
if (!_loaded) {
_loaded = TRUE;
if (_msie && _version < 8) {
var frameset = _d.getElementsByTagName('frameset')[0];
_frame = _d.createElement((frameset ? '' : 'i') + 'frame');
if (frameset) {
frameset.insertAdjacentElement('beforeEnd', _frame);
frameset[frameset.cols ? 'cols' : 'rows'] += ',0';
_frame.src = 'javascript:false';
_frame.noResize = true;
_frame.frameBorder = _frame.frameSpacing = 0;
} else {
_frame.src = 'javascript:false';
_frame.style.display = 'none';
_d.body.insertAdjacentElement('afterBegin', _frame);
}
_st(function() {
_events.addListener(_frame, 'load', _htmlLoad);
if (typeof _frame.contentWindow[ID] == UNDEFINED)
_htmlWrite();
}, 50);
} else if (_safari) {
if (_version < 418) {
_d.body.innerHTML += '<form id="' + ID + '" style="position:absolute;top:-9999px;" method="get"></form>';
_form = _d.getElementById(ID);
}
if (typeof _l[ID] == UNDEFINED) _l[ID] = {};
if (typeof _l[ID][_l.pathname] != UNDEFINED) _stack = _l[ID][_l.pathname].split(',');
}
_st(_functions.bind(function() {
_jsInit.call(this);
_jsChange.call(this);
_track.call(this);
}, this), 1);
if (_msie && _version >= 8) {
_d.body.onhashchange = _functions.bind(_listen, this);
_si(_functions.bind(_titleCheck, this), 50);
} else {
_si(_functions.bind(_listen, this), 50);
}
}
};
var ID = 'swfaddress',
FUNCTION = 'function',
UNDEFINED = 'undefined',
TRUE = true,
FALSE = false,
_util = asual.util,
_browser = _util.Browser,
_events = _util.Events,
_functions = _util.Functions,
_version = _browser.getVersion(),
_msie = _browser.isMSIE(),
_mozilla = _browser.isMozilla(),
_opera = _browser.isOpera(),
_safari = _browser.isSafari(),
_supported = FALSE,
_t = _getWindow(),
_d = _t.document,
_h = _t.history,
_l = _t.location,
_si = setInterval,
_st = setTimeout,
_dc = decodeURI,
_ec = encodeURI,
_frame,
_form,
_url,
_title = _d.title,
_length = _h.length,
_silent = FALSE,
_loaded = FALSE,
_justset = TRUE,
_juststart = TRUE,
_ref = this,
_stack = [],
_ids = [],
_popup = [],
_listeners = {},
_value = _getHash(),
_opts = {history: TRUE, strict: TRUE};
if (_msie && _d.documentMode && _d.documentMode != _version)
_version = _d.documentMode != 8 ? 7 : 8;
_supported =
(_mozilla && _version >= 1) ||
(_msie && _version >= 6) ||
(_opera && _version >= 9.5) ||
(_safari && _version >= 312);
if (_supported) {
if (_opera)
history.navigationMode = 'compatible';
for (var i = 1; i < _length; i++)
_stack.push('');
_stack.push(_getHash());
if (_msie && _l.hash != _getHash())
_l.hash = '#' + _ieLocal(_getHash(), TRUE);
_searchScript(document);
var _qi = _url ? _url.indexOf('?') : -1;
if (_qi != -1) {
var param, params = _url.substr(_qi + 1).split('&');
for (var i = 0, p; p = params[i]; i++) {
param = p.split('=');
if (/^(history|strict)$/.test(param[0])) {
_opts[param[0]] = (isNaN(param[1]) ? /^(true|yes)$/i.test(param[1]) : (parseInt(param[1]) != 0));
}
if (/^tracker$/.test(param[0]))
_opts[param[0]] = param[1];
}
}
if (_msie)
_titleCheck.call(this);
if (window == _t)
_events.addListener(document, 'DOMContentLoaded', _functions.bind(_load, this));
_events.addListener(_t, 'load', _functions.bind(_load, this));
} else if ((!_supported && _l.href.indexOf('#') != -1) ||
(_safari && _version < 418 && _l.href.indexOf('#') != -1 && _l.search != '')){
_d.open();
_d.write('<html><head><meta http-equiv="refresh" content="0;url=' +
_l.href.substr(0, _l.href.indexOf('#')) + '" /></head></html>');
_d.close();
} else {
_track();
}
/**
* The string representation of this class.
* @return {String}
* @static
* @ignore
*/
this.toString = function() {
return '[class SWFAddress]';
};
/**
* Loads the previous URL in the history list.
* @return {void}
* @static
*/
this.back = function() {
_h.back();
};
/**
* Loads the next URL in the history list.
* @return {void}
* @static
*/
this.forward = function() {
_h.forward();
};
/**
* Navigates one level up in the deep linking path.
* @return {void}
* @static
*/
this.up = function() {
var path = this.getPath();
this.setValue(path.substr(0, path.lastIndexOf('/', path.length - 2) + (path.substr(path.length - 1) == '/' ? 1 : 0)));
};
/**
* Loads a URL from the history list.
* @param {Number} delta An integer representing a relative position in the history list.
* @return {void}
* @static
*/
this.go = function(delta) {
_h.go(delta);
};
/**
* Opens a new URL in the browser.
* @param {String} url The resource to be opened.
* @param {String} target Target window.
* @return {void}
* @static
*/
this.href = function(url, target) {
target = typeof target != UNDEFINED ? target : '_self';
if (target == '_self')
self.location.href = url;
else if (target == '_top')
_l.href = url;
else if (target == '_blank')
window.open(url);
else
_t.frames[target].location.href = url;
};
/**
* Opens a browser popup window.
* @param {String} url Resource location.
* @param {String} name Name of the popup window.
* @param {String} options Options which get evaluted and passed to the window.open() method.
* @param {String} handler Optional JavaScript code for popup handling.
* @return {void}
* @static
*/
this.popup = function(url, name, options, handler) {
try {
var popup = window.open(url, name, eval(options));
if (typeof handler != UNDEFINED)
eval(handler);
} catch (ex) {}
_popup = arguments;
};
/**
* Provides a list of all the Flash objects registered.
* @return {Array}
* @static
*/
this.getIds = function() {
return _ids;
};
/**
* Provides the id the first and probably the only Flash object registered.
* @return {String}
* @static
*/
this.getId = function(index) {
return _ids[0];
};
/**
* Sets the id of a single Flash object which will be registered for deep linking.
* @param {String} id ID of the object.
* @return {void}
* @static
*/
this.setId = function(id) {
_ids[0] = id;
};
/**
* Adds an id to the list of Flash object registered for deep linking.
* @param {String} id ID of the object.
* @return {void}
* @static
*/
this.addId = function(id) {
this.removeId(id);
_ids.push(id);
};
/**
* Removes an id from the list of Flash object registered for deep linking.
* @param {String} id ID of the object.
* @return {void}
* @static
*/
this.removeId = function(id) {
for (var i = 0; i < _ids.length; i++) {
if (id == _ids[i]) {
_ids.splice(i, 1);
break;
}
}
};
/**
* Registers an event listener object that receives notification of an event.
* @param {String} type Event type.
* @param {Function} listener Event listener.
* @return {void}
* @static
*/
this.addEventListener = function(type, listener) {
if (typeof _listeners[type] == UNDEFINED)
_listeners[type] = [];
_listeners[type].push(listener);
};
/**
* Removes an event listener object.
* @param {String} type Event type.
* @param {Function} listener Event listener.
* @return {void}
* @static
*/
this.removeEventListener = function(type, listener) {
if (typeof _listeners[type] != UNDEFINED) {
for (var i = 0, l; l = _listeners[type][i]; i++)
if (l == listener) break;
_listeners[type].splice(i, 1);
}
};
/**
* Dispatches an event to all the registered listeners.
* @param {Object} event Event object.
* @return {Boolean}
* @static
*/
this.dispatchEvent = function(event) {
if (this.hasEventListener(event.type)) {
event.target = this;
for (var i = 0, l; l = _listeners[event.type][i]; i++)
l(event);
return TRUE;
}
return FALSE;
};
/**
* Checks the existence of any listeners registered for a specific type of event.
* @param {String} event Event type.
* @return {Boolean}
* @static
*/
this.hasEventListener = function(type) {
return (typeof _listeners[type] != UNDEFINED && _listeners[type].length > 0);
};
/**
* Provides the base address of the document.
* @return {String}
* @static
*/
this.getBaseURL = function() {
var url = _l.href;
if (url.indexOf('#') != -1)
url = url.substr(0, url.indexOf('#'));
if (url.substr(url.length - 1) == '/')
url = url.substr(0, url.length - 1);
return url;
};
/**
* Provides the state of the strict mode setting.
* @return {Boolean}
* @static
*/
this.getStrict = function() {
return _opts.strict;
};
/**
* Enables or disables the strict mode.
* @param {Boolean} strict Strict mode state.
* @return {void}
* @static
*/
this.setStrict = function(strict) {
_opts.strict = strict;
};
/**
* Provides the state of the history setting.
* @return {Boolean}
* @static
*/
this.getHistory = function() {
return _opts.history;
};
/**
* Enables or disables the creation of history entries.
* @param {Boolean} history History state.
* @return {void}
* @static
*/
this.setHistory = function(history) {
_opts.history = history;
};
/**
* Provides the tracker function.
* @return {String}
* @static
*/
this.getTracker = function() {
return _opts.tracker;
};
/**
* Sets a function for page view tracking. The default value is 'urchinTracker'.
* @param {String} tracker Tracker function.
* @return {void}
* @static
*/
this.setTracker = function(tracker) {
_opts.tracker = tracker;
};
/**
* Provides the title of the HTML document.
* @return {String}
* @static
*/
this.getTitle = function() {
return _d.title;
};
/**
* Sets the title of the HTML document.
* @param {String} title Title value.
* @return {void}
* @static
*/
this.setTitle = function(title) {
if (!_supported) return null;
if (typeof title == UNDEFINED) return;
if (title == 'null') title = '';
title = _dc(title);
_st(function() {
_title = _d.title = title;
if (_juststart && _frame && _frame.contentWindow && _frame.contentWindow.document) {
_frame.contentWindow.document.title = title;
_juststart = FALSE;
}
if (!_justset && _mozilla)
_l.replace(_l.href.indexOf('#') != -1 ? _l.href : _l.href + '#');
_justset = FALSE;
}, 10);
};
/**
* Provides the status of the browser window.
* @return {String}
* @static
*/
this.getStatus = function() {
return _t.status;
};
/**
* Sets the status of the browser window.
* @param {String} status Status value.
* @return {void}
* @static
*/
this.setStatus = function(status) {
if (!_supported) return null;
if (typeof status == UNDEFINED) return;
if (status == 'null') status = '';
status = _dc(status);
if (!_safari) {
status = _strictCheck((status != 'null') ? status : '', TRUE);
if (status == '/') status = '';
if (!(/http(s)?:\/\//.test(status))) {
var index = _l.href.indexOf('#');
status = (index == -1 ? _l.href : _l.href.substr(0, index)) + '#' + status;
}
_t.status = status;
}
};
/**
* Resets the status of the browser window.
* @return {void}
* @static
*/
this.resetStatus = function() {
_t.status = '';
};
/**
* Provides the current deep linking value.
* @return {String}
* @static
*/
this.getValue = function() {
if (!_supported) return null;
return _dc(_strictCheck(_ieLocal(_value, FALSE), FALSE));
};
/**
* Sets the current deep linking value.
* @param {String} value A value which will be appended to the base link of the HTML document.
* @return {void}
* @static
*/
this.setValue = function(value) {
if (!_supported) return null;
if (typeof value == UNDEFINED) return;
if (value == 'null') value = '';
value = _ec(_dc(_strictCheck(value, TRUE)));
if (value == '/') value = '';
if (_value == value) return;
_justset = TRUE;
_value = value;
_silent = TRUE;
_update.call(SWFAddress, true);
_stack[_h.length] = _value;
if (_safari) {
if (_opts.history) {
_l[ID][_l.pathname] = _stack.toString();
_length = _h.length + 1;
if (_version < 418) {
if (_l.search == '') {
_form.action = '#' + _value;
_form.submit();
}
} else if (_version < 523 || _value == '') {
var evt = _d.createEvent('MouseEvents');
evt.initEvent('click', TRUE, TRUE);
var anchor = _d.createElement('a');
anchor.href = '#' + _value;
anchor.dispatchEvent(evt);
} else {
_l.hash = '#' + _value;
}
} else {
_l.replace('#' + _value);
}
} else if (_value != _getHash()) {
if (_opts.history)
_l.hash = '#' + _dc(_ieLocal(_value, TRUE));
else
_l.replace('#' + _dc(_value));
}
if ((_msie && _version < 8) && _opts.history) {
_st(_htmlWrite, 50);
}
if (_safari)
_st(function(){ _silent = FALSE; }, 1);
else
_silent = FALSE;
};
/**
* Provides the deep linking value without the query string.
* @return {String}
* @static
*/
this.getPath = function() {
var value = this.getValue();
if (value.indexOf('?') != -1) {
return value.split('?')[0];
} else if (value.indexOf('#') != -1) {
return value.split('#')[0];
} else {
return value;
}
};
/**
* Provides a list of all the folders in the deep linking path.
* @return {Array}
* @static
*/
this.getPathNames = function() {
var path = this.getPath(), names = path.split('/');
if (path.substr(0, 1) == '/' || path.length == 0)
names.splice(0, 1);
if (path.substr(path.length - 1, 1) == '/')
names.splice(names.length - 1, 1);
return names;
};
/**
* Provides the query string part of the deep linking value.
* @return {String}
* @static
*/
this.getQueryString = function() {
var value = this.getValue(), index = value.indexOf('?');
if (index != -1 && index < value.length)
return value.substr(index + 1);
};
/**
* Provides the value of a specific query parameter as a string or array of strings.
* @param {String} param Parameter name.
* @return {Object}
* @static
*/
this.getParameter = function(param) {
var value = this.getValue();
var index = value.indexOf('?');
if (index != -1) {
value = value.substr(index + 1);
var p, params = value.split('&'), i = params.length, r = [];
while(i--) {
p = params[i].split('=');
if (p[0] == param)
r.push(p[1]);
}
if (r.length != 0)
return r.length != 1 ? r : r[0];
}
};
/**
* Provides a list of all the query parameter names.
* @return {Array}
* @static
*/
this.getParameterNames = function() {
var value = this.getValue();
var index = value.indexOf('?');
var names = [];
if (index != -1) {
value = value.substr(index + 1);
if (value != '' && value.indexOf('=') != -1) {
var params = value.split('&'), i = 0;
while(i < params.length) {
names.push(params[i].split('=')[0]);
i++;
}
}
}
return names;
};
/**
* Init event.
* @type Function
* @event
* @static
*/
this.onInit = null;
/**
* Change event.
* @type Function
* @event
* @static
*/
this.onChange = null;
/**
* Internal change event.
* @type Function
* @event
* @static
*/
this.onInternalChange = null;
/**
* External change event.
* @type Function
* @event
* @static
*/
this.onExternalChange = null;
/**
* SWFAddress embed hooks.
* @ignore
*/
(function() {
var _args;
if (typeof FlashObject != UNDEFINED) SWFObject = FlashObject;
if (typeof SWFObject != UNDEFINED && SWFObject.prototype && SWFObject.prototype.write) {
var _s1 = SWFObject.prototype.write;
SWFObject.prototype.write = function() {
_args = arguments;
if (this.getAttribute('version').major < 8) {
this.addVariable('$swfaddress', SWFAddress.getValue());
((typeof _args[0] == 'string') ?
document.getElementById(_args[0]) : _args[0]).so = this;
}
var success;
if (success = _s1.apply(this, _args))
_ref.addId(this.getAttribute('id'));
return success;
}
}
if (typeof swfobject != UNDEFINED) {
var _s2r = swfobject.registerObject;
swfobject.registerObject = function() {
_args = arguments;
_s2r.apply(this, _args);
_ref.addId(_args[0]);
}
var _s2c = swfobject.createSWF;
swfobject.createSWF = function() {
_args = arguments;
var swf = _s2c.apply(this, _args);
if (swf)
_ref.addId(_args[0].id);
return swf;
}
var _s2e = swfobject.embedSWF;
swfobject.embedSWF = function() {
_args = arguments;
if (typeof _args[8] == UNDEFINED)
_args[8] = {};
if (typeof _args[8].id == UNDEFINED)
_args[8].id = _args[1];
_s2e.apply(this, _args);
_ref.addId(_args[8].id);
}
}
if (typeof UFO != UNDEFINED) {
var _u = UFO.create;
UFO.create = function() {
_args = arguments;
_u.apply(this, _args);
_ref.addId(_args[0].id);
}
}
if (typeof AC_FL_RunContent != UNDEFINED) {
var _a = AC_FL_RunContent;
AC_FL_RunContent = function() {
_args = arguments;
_a.apply(this, _args);
for (var i = 0, l = _args.length; i < l; i++)
if (_args[i]== 'id') _ref.addId(_args[i+1]);
}
}
})();
}