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-rw-r--r--src/queue.js125
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();