jquery-observe.js

(function(d){d.Observe={}})(jQuery);
(function(d,q){var r=function(e,f){f||(f=e,e=window.document);var m=[];d(f).each(function(){for(var l=[],g=d(this),h=g.parent();h.length&&!g.is(e);h=h.parent()){var f=g.get(0).tagName.toLowerCase();l.push(f+":eq("+h.children(f).index(g)+")");g=h}(h.length||g.is(e))&&m.push("> "+l.reverse().join(" > "))});return m.join(", ")};q.path={get:r,capture:function(e,f){f||(f=e,e=window.document);var m=[];d(f).each(function(){var l=-1,g=this;if(this instanceof Text)for(var g=this.parentNode,h=g.childNodes,
f=0;f<h.length;f++)if(h[f]===this){l=f;break}var k=r(e,g),n=d(e).is(g);m.push(function(e){e=n?e:d(e).find(k);return-1===l?e:e.contents()[l]})});return function(e){e=e||window.document;return m.reduce(function(d,f){return d.add(f(e))},d([]))}}}})(jQuery,jQuery.Observe);(function(d,q){var r=function(e){this.original=d(e);this.root=this.original.clone(!1,!0)};r.prototype.find=function(d){return q.path.capture(this.original,d)(this.root)};q.Branch=r})(jQuery,jQuery.Observe);
(function(d,q){var r=function(a,b){var c={};a.forEach(function(a){(a=b(a))&&(c[a[0]]=a[1])});return c},e=r("childList attributes characterData subtree attributeOldValue characterDataOldValue attributeFilter".split(" "),function(a){return[a.toLowerCase(),a]}),f=r(Object.keys(e),function(a){if("attributefilter"!==a)return[e[a],!0]}),m=r(["added","removed"],function(a){return[a.toLowerCase(),a]}),l=d([]),g=function(a){if("object"===typeof a)return a;a=a.split(/\s+/);var b={};a.forEach(function(a){a=
a.toLowerCase();if(!e[a]&&!m[a])throw Error("Unknown option "+a);b[e[a]||m[a]]=!0});return b},h=function(a){return"["+Object.keys(a).sort().reduce(function(b,c){var d=a[c]&&"object"===typeof a[c]?h(a[c]):a[c];return b+"["+JSON.stringify(c)+":"+d+"]"},"")+"]"},t=window.MutationObserver||window.WebKitMutationObserver,k=function(a,b,c,s){this._originalOptions=d.extend({},b);b=d.extend({},b);this.attributeFilter=b.attributeFilter;delete b.attributeFilter;c&&(b.subtree=!0);b.childList&&(b.added=!0,b.removed=
!0);if(b.added||b.removed)b.childList=!0;this.target=d(a);this.options=b;this.selector=c;this.handler=s};k.prototype.is=function(a,b,c){return h(this._originalOptions)===h(a)&&this.selector===b&&this.handler===c};k.prototype.match=function(a){var b=this.options,c=a.type;if(!this.options[c])return l;if(this.selector)switch(c){case "attributes":if(!this._matchAttributeFilter(a))break;case "characterData":return this._matchAttributesAndCharacterData(a);case "childList":if(a.addedNodes&&a.addedNodes.length&&
b.added&&(c=this._matchAddedNodes(a),c.length))return c;if(a.removedNodes&&a.removedNodes.length&&b.removed)return this._matchRemovedNodes(a)}else{var s=a.target instanceof Text?d(a.target).parent():d(a.target);if(!b.subtree&&s.get(0)!==this.target.get(0))return l;switch(c){case "attributes":if(!this._matchAttributeFilter(a))break;case "characterData":return this.target;case "childList":if(a.addedNodes&&a.addedNodes.length&&b.added||a.removedNodes&&a.removedNodes.length&&b.removed)return this.target}}return l};
k.prototype._matchAttributesAndCharacterData=function(a){return this._matchSelector(this.target,[a.target])};k.prototype._matchAddedNodes=function(a){return this._matchSelector(this.target,a.addedNodes)};k.prototype._matchRemovedNodes=function(a){var b=new q.Branch(this.target),c=Array.prototype.slice.call(a.removedNodes).map(function(a){return a.cloneNode(!0)});a.previousSibling?b.find(a.previousSibling).after(c):a.nextSibling?b.find(a.nextSibling).before(c):(this.target===a.target?b.root:b.find(a.target)).empty().append(c);
return this._matchSelector(b.root,c).length?d(a.target):l};k.prototype._matchSelector=function(a,b){var c=a.find(this.selector);b=Array.prototype.slice.call(b);return c=c.filter(function(){var a=this;return b.some(function(b){return b instanceof Text?b.parentNode===a:b===a||d(b).has(a).length})})};k.prototype._matchAttributeFilter=function(a){return this.attributeFilter&&this.attributeFilter.length?0<=this.attributeFilter.indexOf(a.attributeName):!0};var n=function(a){this.patterns=[];this._target=
a;this._observer=null};n.prototype.observe=function(a,b,c){var d=this;this._observer?this._observer.disconnect():this._observer=new t(function(a){a.forEach(function(a){d.patterns.forEach(function(b){var c=b.match(a);c.length&&c.each(function(){b.handler.call(this,a)})})})});this.patterns.push(new k(this._target,a,b,c));this._observer.observe(this._target,this._collapseOptions())};n.prototype.disconnect=function(a,b,c){var d=this;this._observer&&(this.patterns.filter(function(d){return d.is(a,b,c)}).forEach(function(a){a=
d.patterns.indexOf(a);d.patterns.splice(a,1)}),this.patterns.length||this._observer.disconnect())};n.prototype.disconnectAll=function(){this._observer&&(this.patterns=[],this._observer.disconnect())};n.prototype.pause=function(){this._observer&&this._observer.disconnect()};n.prototype.resume=function(){this._observer&&this._observer.observe(this._target,this._collapseOptions())};n.prototype._collapseOptions=function(){var a={};this.patterns.forEach(function(b){var c=a.attributes&&a.attributeFilter;
if(!c&&a.attributes||!b.attributeFilter)c&&b.options.attributes&&!b.attributeFilter&&delete a.attributeFilter;else{var e={},f=[];(a.attributeFilter||[]).concat(b.attributeFilter).forEach(function(a){e[a]||(f.push(a),e[a]=1)});a.attributeFilter=f}d.extend(a,b.options)});Object.keys(m).forEach(function(b){delete a[m[b]]});return a};var p=function(a){this.patterns=[];this._paused=!1;this._target=a;this._events={};this._handler=this._handler.bind(this)};p.prototype.NS=".jQueryObserve";p.prototype.observe=
function(a,b,c){a=new k(this._target,a,b,c);d(this._target);a.options.childList&&(this._addEvent("DOMNodeInserted"),this._addEvent("DOMNodeRemoved"));a.options.attributes&&this._addEvent("DOMAttrModified");a.options.characterData&&this._addEvent("DOMCharacerDataModified");this.patterns.push(a)};p.prototype.disconnect=function(a,b,c){var e=d(this._target),f=this;this.patterns.filter(function(d){return d.is(a,b,c)}).forEach(function(a){a=f.patterns.indexOf(a);f.patterns.splice(a,1)});var g=this.patterns.reduce(function(a,
b){b.options.childList&&(a.DOMNodeInserted=!0,a.DOMNodeRemoved=!0);b.options.attributes&&(a.DOMAttrModified=!0);b.options.characterData&&(a.DOMCharacerDataModified=!0);return a},{});Object.keys(this._events).forEach(function(a){g[a]||(delete f._events[a],e.off(a+f.NS,f._handler))})};p.prototype.disconnectAll=function(){var a=d(this._target),b;for(b in this._events)a.off(b+this.NS,this._handler);this._events={};this.patterns=[]};p.prototype.pause=function(){this._paused=!0};p.prototype.resume=function(){this._paused=
!1};p.prototype._handler=function(a){if(!this._paused){var b={type:null,target:null,addedNodes:null,removedNodes:null,previousSibling:null,nextSibling:null,attributeName:null,attributeNamespace:null,oldValue:null};switch(a.type){case "DOMAttrModified":b.type="attributes";b.target=a.target;b.attributeName=a.attrName;b.oldValue=a.prevValue;break;case "DOMCharacerDataModified":b.type="characterData";b.target=d(a.target).parent().get(0);b.attributeName=a.attrName;b.oldValue=a.prevValue;break;case "DOMNodeInserted":b.type=
"childList";b.target=a.relatedNode;b.addedNodes=[a.target];b.removedNodes=[];break;case "DOMNodeRemoved":b.type="childList",b.target=a.relatedNode,b.addedNodes=[],b.removedNodes=[a.target]}for(a=0;a<this.patterns.length;a++){var c=this.patterns[a],e=c.match(b);e.length&&e.each(function(){c.handler.call(this,b)})}}};p.prototype._addEvent=function(a){this._events[a]||(d(this._target).on(a+this.NS,this._handler),this._events[a]=!0)};q.Pattern=k;q.MutationObserver=n;q.DOMEventObserver=p;d.fn.observe=
function(a,b,c){b?c||(c=b,b=null):(c=a,a=f);return this.each(function(){var e=d(this),f=e.data("observer");f||(f=t?new n(this):new p(this),e.data("observer",f));a=g(a);f.observe(a,b,c)})};d.fn.disconnect=function(a,b,c){a&&(b?c||(c=b,b=null):(c=a,a=f));return this.each(function(){var e=d(this),f=e.data("observer");f&&(a?(a=g(a),f.disconnect(a,b,c)):(f.disconnectAll(),e.removeData("observer")))})}})(jQuery,jQuery.Observe);