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:{
guid: 1,
global:{},
regex:/^([0-9]+)\s*(.*s)?$/,
powers:{
'ms': 1,
'cs': 10,
'ds': 100,
's': 1000,
'das': 10000,
'hs': 100000,
'ks': 1000000
},
timeParse: function(value){
if(value==undefined || value==null)
return null
var result=this.regex.exec(jQuery.trim(value.toString()))
if(result[2]){
var num=parseInt(result[1],10)
var mult=this.powers[result[2]] || 1
return num*mult
}else{
return value}
},
add: function(element,interval,label,fn,times,belay){
var counter=0
if(jQuery.isFunction(label)){
if(!times)
times=fn
fn=label
label=interval}
interval=jQuery.timer.timeParse(interval)
if(typeof interval !='number' || isNaN(interval)|| interval<=0)
return
if(times&&times.constructor !=Number){
belay=!!times
times=0}
times=times || 0
belay=belay || false
if(!element.$timers)
element.$timers={}
if(!element.$timers[label])
element.$timers[label]={}
fn.$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.$timerID
if(!element.$timers[label][fn.$timerID])
element.$timers[label][fn.$timerID]=window.setInterval(handler,interval)
if(!this.global[label])
this.global[label]=[]
this.global[label].push(element)
},
remove: function(element,label,fn){
var timers=element.$timers,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.$timerID]}
}else{
for(var fn in timers[label]){
window.clearInterval(timers[label][fn])
delete timers[label][fn]}}
for(ret in timers[label])break
if(!ret){
ret=null
delete timers[label]}}
for(ret in timers)break
if(!ret)
element.$timers=null}}}
})
if(jQuery.browser.msie)
jQuery(window).one("unload",function(){
var global=jQuery.timer.global
for(var label in global){
var els=global[label],i=els.length
while(--i)
jQuery.timer.remove(els[i],label)}
})