jquery fx: Exposing the ticking function

diff --git a/src/fx.js b/src/fx.js
index 220b88a..c5c0546 100644 (file)
--- a/src/fx.js
+++ b/src/fx.js
@@ -286,20 +286,8 @@ jQuery.fx.prototype = {
 
                t.elem = this.elem;
 
-               if ( t() && jQuery.timers.push(t) && !timerId ) {
-                       timerId = setInterval(function(){
-                               var timers = jQuery.timers;
-
-                               for ( var i = 0; i < timers.length; i++ )
-                                       if ( !timers[i]() )
-                                               timers.splice(i--, 1);
-
-                               if ( !timers.length ) {
-                                       clearInterval( timerId );
-                                       timerId = undefined;
-                               }
-                       }, 13);
-               }
+               if ( t() && jQuery.timers.push(t) && !timerId )
+                       timerId = setInterval(jQuery.fx.tick, 13);
        },
 
        // Simple 'show' function
@@ -386,12 +374,30 @@ jQuery.fx.prototype = {
 };
 
 jQuery.extend( jQuery.fx, {
+
+       tick:function(){
+               var timers = jQuery.timers;
+
+               for ( var i = 0; i < timers.length; i++ )
+                       if ( !timers[i]() )
+                               timers.splice(i--, 1);
+
+               if ( !timers.length )
+                       jQuery.fx.stop();
+       },
+               
+       stop:function(){
+               clearInterval( timerId );
+               timerId = null;
+       },
+       
        speeds:{
                slow: 600,
                fast: 200,
                // Default speed
                _default: 400
        },
+
        step: {
 
                opacity: function(fx){