YUI.add('anim-scroll', function(Y) {
/**
* Adds support for the <code>scroll</code> property in <code>to</code>
* and <code>from</code> attributes.
* @module anim
* @submodule anim-scroll
*/
var NUM = Number;
//TODO: deprecate for scrollTop/Left properties?
Y.Anim.behaviors.scroll = {
set: function(anim, att, from, to, elapsed, duration, fn) {
var
node = anim._node,
val = ([
fn(elapsed, NUM(from[0]), NUM(to[0]) - NUM(from[0]), duration),
fn(elapsed, NUM(from[1]), NUM(to[1]) - NUM(from[1]), duration)
]);
if (val[0]) {
node.set('scrollLeft', val[0]);
}
if (val[1]) {
node.set('scrollTop', val[1]);
}
},
get: function(anim) {
var node = anim._node;
return [node.get('scrollLeft'), node.get('scrollTop')];
}
};
}, '@VERSION@' ,{requires:['anim-base']});