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/**
* @class jQuery.plugin.footHovzer
*/
( function ( $ ) {
var $hovzer, footHovzer, prevHeight, newHeight;
function getHovzer() {
if ( $hovzer === undefined ) {
$hovzer = $( '<div id="jquery-foot-hovzer"></div>' ).appendTo( 'body' );
}
return $hovzer;
}
/**
* Utility to stack stuff in an overlay fixed on the bottom of the page.
*
* Usage:
*
* var hovzer = $.getFootHovzer();
* hovzer.$.append( $myCollection );
* hovzer.update();
*
* @static
* @inheritable
* @return {jQuery.footHovzer}
*/
$.getFootHovzer = function () {
footHovzer.$ = getHovzer();
return footHovzer;
};
/**
* @private
* @class jQuery.footHovzer
*/
footHovzer = {
/**
* @property {jQuery} $ The stack container
*/
/**
* Update dimensions of stack to account for changes in the subtree.
*/
update: function () {
var $body;
$body = $( 'body' );
if ( prevHeight === undefined ) {
prevHeight = getHovzer().outerHeight( /* includeMargin = */ true );
$body.css( 'paddingBottom', '+=' + prevHeight + 'px' );
} else {
newHeight = getHovzer().outerHeight( true );
$body.css( 'paddingBottom', ( parseFloat( $body.css( 'paddingBottom' ) ) - prevHeight ) + newHeight );
prevHeight = newHeight;
}
}
};
/**
* @class jQuery
* @mixins jQuery.plugin.footHovzer
*/
}( jQuery ) );
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