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jQuery.extend({
queue: function( elem, type, data ) {
if ( !elem ) { return; }
type = (type || "fx") + "queue";
var q = jQuery.data( elem, type );
// Speed up dequeue by getting out quickly if this is just a lookup
if ( !data ) { return q || []; }
if ( !q || jQuery.isArray(data) ) {
q = jQuery.data( elem, type, jQuery.makeArray(data) );
} else {
q.push( data );
}
return q;
},
dequeue: function( elem, type ){
type = type || "fx";
var queue = jQuery.queue( elem, type ), fn = queue.shift();
// If the fx queue is dequeued, always remove the progress sentinel
if ( fn === "inprogress" ) { fn = queue.shift(); }
if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being
// automatically dequeued
if ( type == "fx" ) { queue.unshift("inprogress"); }
fn.call(elem, function() { jQuery.dequeue(elem, type); });
}
}
});
jQuery.fn.extend({
queue: function(type, data){
if ( typeof type !== "string" ) {
data = type;
type = "fx";
}
if ( data === undefined ) {
return jQuery.queue( this[0], type );
}
return this.each(function(i, elem){
var queue = jQuery.queue( this, type, data );
if ( type == "fx" && queue[0] !== "inprogress" ) {
jQuery.dequeue( this, type );
}
});
},
dequeue: function(type){
return this.each(function(){
jQuery.dequeue( this, type );
});
},
// Based off of the plugin by Clint Helfers, with permission.
// http://blindsignals.com/index.php/2009/07/jquery-delay/
delay: function( time, type ) {
time = jQuery.fx ? jQuery.fx.speeds[time] || time : time;
type = type || "fx";
return this.queue( type, function() {
var elem = this;
setTimeout(function() {
jQuery.dequeue( elem, type );
}, time );
});
},
clearQueue: function(type){
return this.queue( type || "fx", [] );
}
});
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