js2/mwEmbed/jquery/plugins/jquery.timers.js

   1 jQuery.fn.extend({
   2         everyTime: function(interval, label, fn, times, belay) {
   3                 return this.each(function() {
   4                         jQuery.timer.add(this, interval, label, fn, times, belay);
   5                 });
   6         },
   7         oneTime: function(interval, label, fn) {
   8                 return this.each(function() {
   9                         jQuery.timer.add(this, interval, label, fn, 1);
  10                 });
  11         },
  12         stopTime: function(label, fn) {
  13                 return this.each(function() {
  14                         jQuery.timer.remove(this, label, fn);
  15                 });
  16         }
  17 });
  18
  19 jQuery.extend({
  20         timer: {
  21                 guid: 1,
  22                 global: {},
  23                 regex: /^([0-9]+)\s*(.*s)?$/,
  24                 powers: {
  25                         // Yeah this is major overkill...
  26                         'ms': 1,
  27                         'cs': 10,
  28                         'ds': 100,
  29                         's': 1000,
  30                         'das': 10000,
  31                         'hs': 100000,
  32                         'ks': 1000000
  33                 },
  34                 timeParse: function(value) {
  35                         if (value == undefined || value == null)
  36                                 return null;
  37                         var result = this.regex.exec(jQuery.trim(value.toString()));
  38                         if (result[2]) {
  39                                 var num = parseInt(result[1], 10);
  40                                 var mult = this.powers[result[2]] || 1;
  41                                 return num * mult;
  42                         } else {
  43                                 return value;
  44                         }
  45                 },
  46                 add: function(element, interval, label, fn, times, belay) {
  47                         var counter = 0;
  48
  49                         if (jQuery.isFunction(label)) {
  50                                 if (!times)
  51                                         times = fn;
  52                                 fn = label;
  53                                 label = interval;
  54                         }
  55
  56                         interval = jQuery.timer.timeParse(interval);
  57
  58                         if (typeof interval != 'number' || isNaN(interval) || interval <= 0)
  59                                 return;
  60
  61                         if (times && times.constructor != Number) {
  62                                 belay = !!times;
  63                                 times = 0;
  64                         }
  65
  66                         times = times || 0;
  67                         belay = belay || false;
  68
  69                         if (!element.$timers)
  70                                 element.$timers = {};
  71
  72                         if (!element.$timers[label])
  73                                 element.$timers[label] = {};
  74
  75                         fn.$timerID = fn.$timerID || this.guid++;
  76
  77                         var handler = function() {
  78                                 if (belay && this.inProgress)
  79                                         return;
  80                                 this.inProgress = true;
  81                                 if ((++counter > times && times !== 0) || fn.call(element, counter) === false)
  82                                         jQuery.timer.remove(element, label, fn);
  83                                 this.inProgress = false;
  84                         };
  85
  86                         handler.$timerID = fn.$timerID;
  87
  88                         if (!element.$timers[label][fn.$timerID])
  89                                 element.$timers[label][fn.$timerID] = window.setInterval(handler,interval);
  90
  91                         if ( !this.global[label] )
  92                                 this.global[label] = [];
  93                         this.global[label].push( element );
  94
  95                 },
  96                 remove: function(element, label, fn) {
  97                         var timers = element.$timers, ret;
  98
  99                         if ( timers ) {
 100
 101                                 if (!label) {
 102                                         for ( label in timers )
 103                                                 this.remove(element, label, fn);
 104                                 } else if ( timers[label] ) {
 105                                         if ( fn ) {
 106                                                 if ( fn.$timerID ) {
 107                                                         window.clearInterval(timers[label][fn.$timerID]);
 108                                                         delete timers[label][fn.$timerID];
 109                                                 }
 110                                         } else {
 111                                                 for ( var fn in timers[label] ) {
 112                                                         window.clearInterval(timers[label][fn]);
 113                                                         delete timers[label][fn];
 114                                                 }
 115                                         }
 116
 117                                         for ( ret in timers[label] ) break;
 118                                         if ( !ret ) {
 119                                                 ret = null;
 120                                                 delete timers[label];
 121                                         }
 122                                 }
 123
 124                                 for ( ret in timers ) break;
 125                                 if ( !ret )
 126                                         element.$timers = null;
 127                         }
 128                 }
 129         }
 130 });
 131
 132 if (jQuery.browser.msie)
 133         jQuery(window).one("unload", function() {
 134                 var global = jQuery.timer.global;
 135                 for ( var label in global ) {
 136                         var els = global[label], i = els.length;
 137                         while ( --i )
 138                                 jQuery.timer.remove(els[i], label);
 139                 }
 140         });
 141
 142