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Mini Shell
Mini Shell
/*
An extension for attrchange jQuery plugin
http://meetselva.github.io/attrchange/
About License:
Copyright (C) 2013-2014 Selvakumar Arumugam
You may use attrchange ext plugin under the terms of the MIT Licese.
https://github.com/meetselva/attrchange/blob/master/MIT-License.txt
*/
$.fn.attrchange.extensions = { /*attrchange option/extension*/
disconnect: function (o) {
if (typeof o !== 'undefined' && o.isPhysicalDisconnect) {
return this.each(function() {
var attrchangeMethod = $(this).data('attrchange-method');
if (attrchangeMethod == 'propertychange' || attrchangeMethod == 'DOMAttrModified') {
$(this).off(attrchangeMethod);
} else if (attrchangeMethod == 'Mutation Observer') {
$(this).data('attrchange-obs').disconnect();
} else if (attrchangeMethod == 'polling') {
clearInterval($(this).data('attrchange-polling-timer'));
}
}).removeData('attrchange-method');
} else { //logical disconnect
return this.data('attrchange-tdisconnect', 'tdisconnect'); //set a flag that prevents triggering callback onattrchange
}
},
remove: function (o) {
return $.fn.attrchange.extensions['disconnect'].call(this, {isPhysicalDisconnect: true});
},
getProperties: function (o) {
var attrchangeMethod = $(this).data('attrchange-method');
var pollInterval = $(this).data('attrchange-pollInterval');
return {
method: attrchangeMethod,
isPolling: (attrchangeMethod == 'polling'),
pollingInterval: (typeof pollInterval === 'undefined')?0:parseInt(pollInterval, 10),
status: (typeof attrchangeMethod === 'undefined')?'removed': (typeof $(this).data('attrchange-tdisconnect') === 'undefined')?'connected':'disconnected'
}
},
reconnect: function (o) {//reconnect possible only when there is a logical disconnect
return this.removeData('attrchange-tdisconnect');
},
polling: function (o) {
if (o.hasOwnProperty('isComputedStyle') && o.isComputedStyle == 'true') { /* extensive and slow - polling to check on computed style properties */
return this.each(function(i, _this) {
if (!o.hasOwnProperty('properties') ||
Object.prototype.toString.call(o.properties) !== '[object Array]' ||
o.properties.length == 0) { return false; } //return if no properties found
var attributes = {}; //store computed properties
for (var i = 0; i < o.properties.length; i++) {
attributes[o.properties[i]] = $(this).css(o.properties[i]);
}
var _this = this;
$(this).data('attrchange-polling-timer', setInterval(function () {
var changes = {}, hasChanges = false; // attrName: { oldValue: xxx, newValue: yyy}
for (var comuptedVal, i = 0; i < o.properties.length; i++){
comuptedVal = $(_this).css(o.properties[i]);
if (attributes[o.properties[i]] !== comuptedVal) {
hasChanges = true;
changes[o.properties[i]] = {oldValue: attributes[o.properties[i]], newValue: comuptedVal};
attributes[o.properties[i]] = comuptedVal //add the attribute to the orig
}
}
if (hasChanges && typeof $(_this).data('attrchange-tdisconnect') === 'undefined') { //disconnected logically
o.callback.call(_this, changes);
}
}, (o.pollInterval)?o.pollInterval: 1000)).data('attrchange-method', 'polling').data('attrchange-pollInterval', o.pollInterval);
});
} else {
return this.each(function(i, _this) { /* this one is programmatic polling */
var attributes = {};
for (var attr, i=0, attrs=_this.attributes, l=attrs.length; i<l; i++){
attr = attrs.item(i);
attributes[attr.nodeName] = attr.nodeValue;
}
$(_this).data('attrchange-polling-timer', setInterval(function () {
var changes = {}, hasChanges = false; // attrName: { oldValue: xxx, newValue: yyy}
for (var attr, i=0, attrs=_this.attributes, l=attrs.length; i<l; i++){
attr = attrs.item(i);
if (attributes.hasOwnProperty(attr.nodeName) &&
attributes[attr.nodeName] != attr.nodeValue) { //check the values
changes[attr.nodeName] = {oldValue: attributes[attr.nodeName], newValue: attr.nodeValue};
hasChanges = true;
} else if (!attributes.hasOwnProperty(attr.nodeName)) { //new attribute
changes[attr.nodeName] = {oldValue: '', newValue: attr.nodeValue};
hasChanges = true;
}
attributes[attr.nodeName] = attr.nodeValue; //add the attribute to the orig
}
if (hasChanges && typeof $(_this).data('attrchange-tdisconnect') === 'undefined') { //disconnected logically
o.callback.call(_this, changes);
}
}, (o.pollInterval)?o.pollInterval: 1000)).data('attrchange-method', 'polling').data('attrchange-pollInterval', o.pollInterval);
});
}
}
}
Zerion Mini Shell 1.0