diff options
Diffstat (limited to 'src/queue.js')
-rw-r--r-- | src/queue.js | 125 |
1 files changed, 45 insertions, 80 deletions
diff --git a/src/queue.js b/src/queue.js index 907baf4d6..175603781 100644 --- a/src/queue.js +++ b/src/queue.js @@ -1,68 +1,22 @@ (function( jQuery ) { -function handleQueueMarkDefer( elem, type, src ) { - var deferDataKey = type + "defer", - queueDataKey = type + "queue", - markDataKey = type + "mark", - defer = jQuery._data( elem, deferDataKey ); - if ( defer && - ( src === "queue" || !jQuery._data(elem, queueDataKey) ) && - ( src === "mark" || !jQuery._data(elem, markDataKey) ) ) { - // Give room for hard-coded callbacks to fire first - // and eventually mark/queue something else on the element - setTimeout( function() { - if ( !jQuery._data( elem, queueDataKey ) && - !jQuery._data( elem, markDataKey ) ) { - jQuery.removeData( elem, deferDataKey, true ); - defer.fire(); - } - }, 0 ); - } -} - jQuery.extend({ - - _mark: function( elem, type ) { - if ( elem ) { - type = ( type || "fx" ) + "mark"; - jQuery._data( elem, type, (jQuery._data( elem, type ) || 0) + 1 ); - } - }, - - _unmark: function( force, elem, type ) { - if ( force !== true ) { - type = elem; - elem = force; - force = false; - } - if ( elem ) { - type = type || "fx"; - var key = type + "mark", - count = force ? 0 : ( (jQuery._data( elem, key ) || 1) - 1 ); - if ( count ) { - jQuery._data( elem, key, count ); - } else { - jQuery.removeData( elem, key, true ); - handleQueueMarkDefer( elem, type, "mark" ); - } - } - }, - queue: function( elem, type, data ) { - var q; + var queue; + if ( elem ) { type = ( type || "fx" ) + "queue"; - q = jQuery._data( elem, type ); + queue = jQuery._data( elem, type ); // Speed up dequeue by getting out quickly if this is just a lookup if ( data ) { - if ( !q || jQuery.isArray(data) ) { - q = jQuery._data( elem, type, jQuery.makeArray(data) ); + if ( !queue || jQuery.isArray(data) ) { + queue = jQuery._data( elem, type, jQuery.makeArray(data) ); } else { - q.push( data ); + queue.push( data ); } } - return q || []; + return queue || []; } }, @@ -71,7 +25,10 @@ jQuery.extend({ var queue = jQuery.queue( elem, type ), fn = queue.shift(), - hooks = {}; + hooks = jQuery._queueHooks( elem, type ), + next = function() { + jQuery.dequeue( elem, type ); + }; // If the fx queue is dequeued, always remove the progress sentinel if ( fn === "inprogress" ) { @@ -79,22 +36,31 @@ jQuery.extend({ } if ( fn ) { + // Add a progress sentinel to prevent the fx queue from being // automatically dequeued if ( type === "fx" ) { queue.unshift( "inprogress" ); } - jQuery._data( elem, type + ".run", hooks ); - fn.call( elem, function() { - jQuery.dequeue( elem, type ); - }, hooks ); + // clear up the last queue stop function + delete hooks.stop; + fn.call( elem, next, hooks ); } - - if ( !queue.length ) { - jQuery.removeData( elem, type + "queue " + type + ".run", true ); - handleQueueMarkDefer( elem, type, "queue" ); + if ( !queue.length && hooks ) { + hooks.empty.fire(); } + }, + + // not intended for public consumption - generates a queueHooks object, or returns the current one + _queueHooks: function( elem, type ) { + var key = type + "queueHooks"; + return jQuery._data( elem, key ) || jQuery._data( elem, key, { + empty: jQuery.Callbacks("once memory").add(function() { + jQuery.removeData( elem, type + "queue", true ); + jQuery.removeData( elem, key, true ); + }) + }); } }); @@ -117,6 +83,9 @@ jQuery.fn.extend({ this.each(function() { var queue = jQuery.queue( this, type, data ); + // ensure a hooks for this queue + jQuery._queueHooks( this, type ); + if ( type === "fx" && queue[0] !== "inprogress" ) { jQuery.dequeue( this, type ); } @@ -146,31 +115,27 @@ jQuery.fn.extend({ // Get a promise resolved when queues of a certain type // are emptied (fx is the type by default) promise: function( type, object ) { + var tmp, + count = 1, + defer = jQuery.Deferred(), + elements = this, + i = this.length, + resolve = function() { + if ( !( --count ) ) { + defer.resolveWith( elements, [ elements ] ); + } + }; + if ( typeof type !== "string" ) { object = type; type = undefined; } type = type || "fx"; - var defer = jQuery.Deferred(), - elements = this, - i = elements.length, - count = 1, - deferDataKey = type + "defer", - queueDataKey = type + "queue", - markDataKey = type + "mark", - tmp; - function resolve() { - if ( !( --count ) ) { - defer.resolveWith( elements, [ elements ] ); - } - } + while( i-- ) { - if (( tmp = jQuery.data( elements[ i ], deferDataKey, undefined, true ) || - ( jQuery.data( elements[ i ], queueDataKey, undefined, true ) || - jQuery.data( elements[ i ], markDataKey, undefined, true ) ) && - jQuery.data( elements[ i ], deferDataKey, jQuery.Callbacks( "once memory" ), true ) )) { + if ( (tmp = jQuery._data( elements[ i ], type + "queueHooks" )) && tmp.empty ) { count++; - tmp.add( resolve ); + tmp.empty.add( resolve ); } } resolve(); |