jquery.scrollev.js
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/**
* @fileOverview 插件封装
* @author qiqi.zhou@yoho.cn
* @date 2012-10-12
*/
define('lib/util/jquery.scrollev',[ "jquery"],function(require)
{
var jQuery = require("jquery");
(function()
{
var special = jQuery.event.special, uid1 = 'D' + (+new Date()), uid2 = 'D'
+ (+new Date() + 1);
special.scrollstart = {
setup : function()
{
var timer, handler = function(evt)
{
var _self = this, _args = arguments;
if (timer)
{
clearTimeout(timer);
}
else
{
evt.type = 'scrollstart';
jQuery.event.handle.apply(_self, _args);
}
timer = setTimeout(function()
{
timer = null;
}, special.scrollstop.latency);
};
jQuery(this).bind('scroll', handler)
.data(uid1, handler);
},
teardown : function()
{
jQuery(this).unbind('scroll', jQuery(this).data(uid1));
}
};
special.scrollstop = {
latency : 300,
setup : function()
{
var timer, handler = function(evt)
{
var _self = this, _args = arguments;
if (timer)
{
clearTimeout(timer);
}
timer = setTimeout(function()
{
timer = null;
evt.type = 'scrollstop';
jQuery.event.handle.apply(_self, _args);
}, special.scrollstop.latency);
};
jQuery(this).bind('scroll', handler)
.data(uid2, handler);
},
teardown : function()
{
jQuery(this).unbind('scroll', jQuery(this).data(uid2));
}
};
})();
});