// @auto wow.js 
// 如有侵权，请及时联系email:625594687@qq.com
(function(){var mutationobserver,util,weakmap,getcomputedstyle,getcomputedstylerx,__bind=function(fn,me){return function(){return fn.apply(me,arguments);};},__indexof=[].indexof||function(item){for(var i=0,l=this.length;i<l;i++){if(i in this&&this[i]===item)return i;}return-1;};util=(function(){function util(){}
util.prototype.extend=function(custom,defaults){var key,value;for(key in defaults){value=defaults[key];if(custom[key]==null){custom[key]=value;}}
return custom;};util.prototype.ismobile=function(agent){return /android|webos|iphone|ipad|ipod|blackberry|iemobile|opera mini/i.test(agent);};util.prototype.addevent=function(elem,event,fn){if(elem.addeventlistener!=null){return elem.addeventlistener(event,fn,false);}else if(elem.attachevent!=null){return elem.attachevent("on"+event,fn);}else{return elem[event]=fn;}};util.prototype.removeevent=function(elem,event,fn){if(elem.removeeventlistener!=null){return elem.removeeventlistener(event,fn,false);}else if(elem.detachevent!=null){return elem.detachevent("on"+event,fn);}else{return delete elem[event];}};util.prototype.innerheight=function(){if('innerheight'in window){return window.innerheight;}else{return document.documentelement.clientheight;}};return util;})();weakmap=this.weakmap||this.mozweakmap||(weakmap=(function(){function weakmap(){this.keys=[];this.values=[];}
weakmap.prototype.get=function(key){var i,item,_i,_len,_ref;_ref=this.keys;for(i=_i=0,_len=_ref.length;_i<_len;i=++_i){item=_ref[i];if(item===key){return this.values[i];}}};weakmap.prototype.set=function(key,value){var i,item,_i,_len,_ref;_ref=this.keys;for(i=_i=0,_len=_ref.length;_i<_len;i=++_i){item=_ref[i];if(item===key){this.values[i]=value;return;}}
this.keys.push(key);return this.values.push(value);};return weakmap;})());mutationobserver=this.mutationobserver||this.webkitmutationobserver||this.mozmutationobserver||(mutationobserver=(function(){function mutationobserver(){if(typeof console!=="undefined"&&console!==null){console.warn('mutationobserver is not supported by your browser.');}
if(typeof console!=="undefined"&&console!==null){console.warn('smt.js cannot detect dom mutations, please call .sync() after loading new content.');}}
mutationobserver.notsupported=true;mutationobserver.prototype.observe=function(){};return mutationobserver;})());getcomputedstyle=this.getcomputedstyle||function(el,pseudo){this.getpropertyvalue=function(prop){var _ref;if(prop==='float'){prop='stylefloat';}
if(getcomputedstylerx.test(prop)){prop.replace(getcomputedstylerx,function(_,_char){return _char.touppercase();});}
return((_ref=el.currentstyle)!=null?_ref[prop]:void 0)||null;};return this;};getcomputedstylerx=/(\-([a-z]){1})/g;this.smt=(function(){smt.prototype.defaults={boxclass:'smt',animateclass:'animated',offset:0,mobile:true,live:true};function smt(options){if(options==null){options={};}
this.scrollcallback=__bind(this.scrollcallback,this);this.scrollhandler=__bind(this.scrollhandler,this);this.start=__bind(this.start,this);this.scrolled=true;this.config=this.util().extend(options,this.defaults);this.animationnamecache=new weakmap();}
smt.prototype.init=function(){var _ref;this.element=window.document.documentelement;if((_ref=document.readystate)==="interactive"||_ref==="complete"){this.start();}else{this.util().addevent(document,'domcontentloaded',this.start);}
return this.finished=[];};smt.prototype.start=function(){var box,_i,_len,_ref;this.stopped=false;this.boxes=(function(){var _i,_len,_ref,_results;_ref=this.element.queryselectorall("."+this.config.boxclass);_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){box=_ref[_i];_results.push(box);}
return _results;}).call(this);this.all=(function(){var _i,_len,_ref,_results;_ref=this.boxes;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){box=_ref[_i];_results.push(box);}
return _results;}).call(this);if(this.boxes.length){if(this.disabled()){this.resetstyle();}else{_ref=this.boxes;for(_i=0,_len=_ref.length;_i<_len;_i++){box=_ref[_i];this.applystyle(box,true);}}}
if(!this.disabled()){this.util().addevent(window,'scroll',this.scrollhandler);this.util().addevent(window,'resize',this.scrollhandler);this.interval=setinterval(this.scrollcallback,50);}
if(this.config.live){return new mutationobserver((function(_this){return function(records){var node,record,_j,_len1,_results;_results=[];for(_j=0,_len1=records.length;_j<_len1;_j++){record=records[_j];_results.push((function(){var _k,_len2,_ref1,_results1;_ref1=record.addednodes||[];_results1=[];for(_k=0,_len2=_ref1.length;_k<_len2;_k++){node=_ref1[_k];_results1.push(this.dosync(node));}
return _results1;}).call(_this));}
return _results;};})(this)).observe(document.body,{childlist:true,subtree:true});}};smt.prototype.stop=function(){this.stopped=true;this.util().removeevent(window,'scroll',this.scrollhandler);this.util().removeevent(window,'resize',this.scrollhandler);if(this.interval!=null){return clearinterval(this.interval);}};smt.prototype.sync=function(element){if(mutationobserver.notsupported){return this.dosync(this.element);}};smt.prototype.dosync=function(element){var box,_i,_len,_ref,_results;if(element==null){element=this.element;}
if(element.nodetype!==1){return;}
element=element.parentnode||element;_ref=element.queryselectorall("."+this.config.boxclass);_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){box=_ref[_i];if(__indexof.call(this.all,box)<0){this.boxes.push(box);this.all.push(box);if(this.stopped||this.disabled()){this.resetstyle();}else{this.applystyle(box,true);}
_results.push(this.scrolled=true);}else{_results.push(void 0);}}
return _results;};smt.prototype.show=function(box){this.applystyle(box);return box.classname=""+box.classname+" "+this.config.animateclass;};smt.prototype.applystyle=function(box,hidden){var delay,duration,iteration;duration=box.getattribute('data-smt-duration');delay=box.getattribute('data-smt-delay');iteration=box.getattribute('data-smt-iteration');return this.animate((function(_this){return function(){return _this.customstyle(box,hidden,duration,delay,iteration);};})(this));};smt.prototype.animate=(function(){if('requestanimationframe'in window){return function(callback){return window.requestanimationframe(callback);};}else{return function(callback){return callback();};}})();smt.prototype.resetstyle=function(){var box,_i,_len,_ref,_results;_ref=this.boxes;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){box=_ref[_i];_results.push(box.style.visibility='visible');}
return _results;};smt.prototype.customstyle=function(box,hidden,duration,delay,iteration){if(hidden){this.cacheanimationname(box);}
box.style.visibility=hidden?'hidden':'visible';if(duration){this.vendorset(box.style,{animationduration:duration});}
if(delay){this.vendorset(box.style,{animationdelay:delay});}
if(iteration){this.vendorset(box.style,{animationiterationcount:iteration});}
this.vendorset(box.style,{animationname:hidden?'none':this.cachedanimationname(box)});return box;};smt.prototype.vendors=["moz","webkit"];smt.prototype.vendorset=function(elem,properties){var name,value,vendor,_results;_results=[];for(name in properties){value=properties[name];elem[""+name]=value;_results.push((function(){var _i,_len,_ref,_results1;_ref=this.vendors;_results1=[];for(_i=0,_len=_ref.length;_i<_len;_i++){vendor=_ref[_i];_results1.push(elem[""+vendor+(name.charat(0).touppercase())+(name.substr(1))]=value);}
return _results1;}).call(this));}
return _results;};smt.prototype.vendorcss=function(elem,property){var result,style,vendor,_i,_len,_ref;style=getcomputedstyle(elem);result=style.getpropertycssvalue(property);_ref=this.vendors;for(_i=0,_len=_ref.length;_i<_len;_i++){vendor=_ref[_i];result=result||style.getpropertycssvalue("-"+vendor+"-"+property);}
return result;};smt.prototype.animationname=function(box){var animationname;try{animationname=this.vendorcss(box,'animation-name').csstext;}catch(_error){animationname=getcomputedstyle(box).getpropertyvalue('animation-name');}
if(animationname==='none'){return '';}else{return animationname;}};smt.prototype.cacheanimationname=function(box){return this.animationnamecache.set(box,this.animationname(box));};smt.prototype.cachedanimationname=function(box){return this.animationnamecache.get(box);};smt.prototype.scrollhandler=function(){return this.scrolled=true;};smt.prototype.scrollcallback=function(){var box;if(this.scrolled){this.scrolled=false;this.boxes=(function(){var _i,_len,_ref,_results;_ref=this.boxes;_results=[];for(_i=0,_len=_ref.length;_i<_len;_i++){box=_ref[_i];if(!(box)){continue;}
if(this.isvisible(box)){this.show(box);continue;}
_results.push(box);}
return _results;}).call(this);if(!(this.boxes.length||this.config.live)){return this.stop();}}};smt.prototype.offsettop=function(element){var top;while(element.offsettop===void 0){element=element.parentnode;}
top=element.offsettop;while(element=element.offsetparent){top+=element.offsettop;}
return top;};smt.prototype.isvisible=function(box){var bottom,offset,top,viewbottom,viewtop;offset=box.getattribute('data-smt-offset')||this.config.offset;viewtop=window.pageyoffset;viewbottom=viewtop+math.min(this.element.clientheight,this.util().innerheight())-offset;top=this.offsettop(box);bottom=top+box.clientheight;return top<=viewbottom&&bottom>=viewtop;};smt.prototype.util=function(){return this._util!=null?this._util:this._util=new util();};smt.prototype.disabled=function(){return!this.config.mobile&&this.util().ismobile(navigator.useragent);};return smt;})();}).call(this);