72 lines
2.1 KiB
JavaScript
72 lines
2.1 KiB
JavaScript
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/* http://james.padolsey.com/javascript/special-scroll-events-for-jquery/ */
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(function(){
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var special = jQuery.event.special,
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uid1 = "D" + (+new Date()),
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uid2 = "D" + (+new Date() + 1);
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special.scrollstart = {
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setup: function() {
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var timer,
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handler = function(evt) {
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var _self = this,
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_args = arguments;
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if (timer) {
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clearTimeout(timer);
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} else {
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evt.type = "scrollstart";
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jQuery.event.dispatch.apply(_self, _args);
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}
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timer = setTimeout( function(){
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timer = null;
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}, special.scrollstop.latency);
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};
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jQuery(this).bind("scroll", handler).data(uid1, handler);
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},
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teardown: function(){
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jQuery(this).unbind( "scroll", jQuery(this).data(uid1) );
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}
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};
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special.scrollstop = {
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latency: 300,
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setup: function() {
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var timer,
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handler = function(evt) {
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var _self = this,
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_args = arguments;
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if (timer) {
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clearTimeout(timer);
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}
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timer = setTimeout( function(){
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timer = null;
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evt.type = "scrollstop";
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jQuery.event.dispatch.apply(_self, _args);
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}, special.scrollstop.latency);
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};
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jQuery(this).bind("scroll", handler).data(uid2, handler);
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},
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teardown: function() {
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jQuery(this).unbind( "scroll", jQuery(this).data(uid2) );
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}
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};
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})();
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