/** * jQuery.timers - Timer abstractions for jQuery * Written by Blair Mitchelmore (blair DOT mitchelmore AT gmail DOT com) * Licensed under the WTFPL (http://sam.zoy.org/wtfpl/). * Date: 2009/08/13 * @author Blair Mitchelmore * @version 1.1.3 * **/
jQuery.fn.extend({everyTime:function(interval,label,fn,times,belay){return this.each(function(){jQuery.timer.add(this,interval,label,fn,times,belay);});},oneTime:function(interval,label,fn){return this.each(function(){jQuery.timer.add(this,interval,label,fn,1);});},stopTime:function(label,fn){return this.each(function(){jQuery.timer.remove(this,label,fn);});}});jQuery.extend({timer:{global:[],guid:1,dataKey:"jQuery.timer",regex:/^([0-9]+(?:\.[0-9]*)?)\s*(.*s)?$/,powers:{'ms':1,'cs':10,'ds':100,'s':1000,'das':10000,'hs':100000,'ks':1000000},timeParse:function(value){if(value===undefined||value===null){return null;}var result=this.regex.exec(jQuery.trim(value.toString()));if(result[2]){var num=parseFloat(result[1]);var mult=this.powers[result[2]]||1;return num*mult;}else{return value;}},add:function(element,interval,label,fn,times,belay){var counter=0;if(jQuery.isFunction(label)){if(!times){times=fn;}fn=label;label=interval;}interval=jQuery.timer.timeParse(interval);if(typeof interval!='number'||isNaN(interval)||interval<=0){return;}if(times&&times.constructor!=Number){belay=!!times;times=0;}times=times||0;belay=belay||false;var timers=jQuery.data(element,this.dataKey)||jQuery.data(element,this.dataKey,{});if(!timers[label]){timers[label]={};}fn.timerID=fn.timerID||this.guid++;var handler=function(){if(belay&&this.inProgress){return;}this.inProgress=true;if((++counter>times&&times!==0)||fn.call(element,counter)===false){jQuery.timer.remove(element,label,fn);}this.inProgress=false;};handler.timerID=fn.timerID;if(!timers[label][fn.timerID]){timers[label][fn.timerID]=window.setInterval(handler,interval);}this.global.push(element);},remove:function(element,label,fn){var timers=jQuery.data(element,this.dataKey),ret;if(timers){if(!label){for(label in timers){this.remove(element,label,fn);}}else if(timers[label]){if(fn){if(fn.timerID){window.clearInterval(timers[label][fn.timerID]);delete timers[label][fn.timerID];}}else{for(var fn in timers[label]){window.clearInterval(timers[label][fn]);delete timers[label][fn];}}for(ret in timers[label]){break;}if(!ret){ret=null;delete timers[label];}}for(ret in timers){break;}if(!ret){jQuery.removeData(element,this.dataKey);}}}}});jQuery(window).bind("unload",function(){jQuery.each(jQuery.timer.global,function(index,item){jQuery.timer.remove(item);});});