1 YUI.add('queue-promote', function (Y, NAME) {

     2 

     3 /**

     4  * Adds methods promote, remove, and indexOf to Queue instances.

     5  *

     6  * @module queue-promote

     7  * @for Queue

     8  */

     9 

    10 Y.mix(Y.Queue.prototype, {

    11     /**

    12      * Returns the current index in the queue of the specified item

    13      *

    14      * @method indexOf

    15      * @param needle {MIXED} the item to search for

    16      * @return {Number} the index of the item or -1 if not found

    17      */

    18     indexOf : function (callback) {

    19         return Y.Array.indexOf(this._q, callback);

    20     },

    21 

    22     /**

    23      * Moves the referenced item to the head of the queue

    24      *

    25      * @method promote

    26      * @param item {MIXED} an item in the queue

    27      */

    28     promote : function (callback) {

    29         var index = this.indexOf(callback);

    30 

    31         if (index > -1) {

    32             this._q.unshift(this._q.splice(index,1)[0]);

    33         }

    34     },

    35 

    36     /**

    37      * Removes the referenced item from the queue

    38      *

    39      * @method remove

    40      * @param item {MIXED} an item in the queue

    41      */

    42     remove : function (callback) {

    43         var index = this.indexOf(callback);

    44 

    45         if (index > -1) {

    46             this._q.splice(index,1);

    47         }

    48     }

    49 

    50 });

    51 

    52 

    53 }, '@VERSION@', {"requires": ["yui-base"]});