root / drupal7 / sites / all / libraries / flexslider-2.5.0 / bower_components / jquery / src / queue.js @ 0aee3c58
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define([ |
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"./core",
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"./deferred",
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"./callbacks"
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], function( jQuery ) {
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jQuery.extend({
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queue: function( elem, type, data ) { |
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var queue;
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if ( elem ) {
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type = ( type || "fx" ) + "queue"; |
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queue = jQuery._data( elem, type ); |
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// Speed up dequeue by getting out quickly if this is just a lookup
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if ( data ) {
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if ( !queue || jQuery.isArray(data) ) {
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queue = jQuery._data( elem, type, jQuery.makeArray(data) ); |
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} else {
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queue.push( data ); |
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} |
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} |
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return queue || [];
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} |
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}, |
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dequeue: function( elem, type ) { |
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type = type || "fx";
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var queue = jQuery.queue( elem, type ),
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startLength = queue.length, |
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fn = queue.shift(), |
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hooks = jQuery._queueHooks( elem, type ), |
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next = function() { |
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jQuery.dequeue( elem, type ); |
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}; |
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// If the fx queue is dequeued, always remove the progress sentinel
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if ( fn === "inprogress" ) { |
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fn = queue.shift(); |
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startLength--; |
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} |
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if ( fn ) {
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// Add a progress sentinel to prevent the fx queue from being
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// automatically dequeued
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if ( type === "fx" ) { |
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queue.unshift( "inprogress" );
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} |
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// clear up the last queue stop function
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delete hooks.stop;
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fn.call( elem, next, hooks ); |
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} |
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if ( !startLength && hooks ) {
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hooks.empty.fire(); |
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} |
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}, |
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// not intended for public consumption - generates a queueHooks object, or returns the current one
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_queueHooks: function( elem, type ) { |
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var key = type + "queueHooks"; |
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return jQuery._data( elem, key ) || jQuery._data( elem, key, {
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empty: jQuery.Callbacks("once memory").add(function() { |
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jQuery._removeData( elem, type + "queue" );
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jQuery._removeData( elem, key ); |
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}) |
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}); |
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} |
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}); |
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jQuery.fn.extend({
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queue: function( type, data ) { |
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var setter = 2; |
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if ( typeof type !== "string" ) { |
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data = type; |
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type = "fx";
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setter--; |
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} |
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if ( arguments.length < setter ) { |
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return jQuery.queue( this[0], type ); |
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} |
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return data === undefined ? |
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this :
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this.each(function() { |
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var queue = jQuery.queue( this, type, data ); |
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// ensure a hooks for this queue
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jQuery._queueHooks( this, type );
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if ( type === "fx" && queue[0] !== "inprogress" ) { |
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jQuery.dequeue( this, type );
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} |
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}); |
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}, |
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dequeue: function( type ) { |
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return this.each(function() { |
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jQuery.dequeue( this, type );
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}); |
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}, |
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clearQueue: function( type ) { |
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return this.queue( type || "fx", [] ); |
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}, |
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// Get a promise resolved when queues of a certain type
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// are emptied (fx is the type by default)
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promise: function( type, obj ) { |
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var tmp,
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count = 1,
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defer = jQuery.Deferred(), |
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elements = this,
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i = this.length,
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resolve = function() { |
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if ( !( --count ) ) {
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defer.resolveWith( elements, [ elements ] ); |
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} |
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}; |
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if ( typeof type !== "string" ) { |
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obj = type; |
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type = undefined;
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} |
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type = type || "fx";
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while ( i-- ) {
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tmp = jQuery._data( elements[ i ], type + "queueHooks" );
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if ( tmp && tmp.empty ) {
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count++; |
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tmp.empty.add( resolve ); |
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} |
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} |
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resolve(); |
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return defer.promise( obj );
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} |
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}); |
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return jQuery;
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}); |