1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
define([
"./core",
"./data/var/data_priv",
"./deferred",
"./callbacks"
], function( jQuery, data_priv ) {
jQuery.extend({
queue: function( elem, type, data ) {
var queue;
if ( elem ) {
type = ( type || "fx" ) + "queue";
queue = data_priv.get( elem, type );
// Speed up dequeue by getting out quickly if this is just a lookup
if ( data ) {
if ( !queue || jQuery.isArray( data ) ) {
queue = data_priv.access( elem, type, jQuery.makeArray(data) );
} else {
queue.push( data );
}
}
return queue || [];
}
},
dequeue: function( elem, type ) {
type = type || "fx";
var queue = jQuery.queue( elem, type ),
startLength = queue.length,
fn = queue.shift(),
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" ) {
fn = queue.shift();
startLength--;
}
if ( fn ) {
// Add a progress sentinel to prevent the fx queue from being
// automatically dequeued
if ( type === "fx" ) {
queue.unshift( "inprogress" );
}
// clear up the last queue stop function
delete hooks.stop;
fn.call( elem, next, hooks );
}
if ( !startLength && 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 data_priv.get( elem, key ) || data_priv.access( elem, key, {
empty: jQuery.Callbacks("once memory").add(function() {
data_priv.remove( elem, [ type + "queue", key ] );
})
});
}
});
jQuery.fn.extend({
queue: function( type, data ) {
var setter = 2;
if ( typeof type !== "string" ) {
data = type;
type = "fx";
setter--;
}
if ( arguments.length < setter ) {
return jQuery.queue( this[0], type );
}
return data === undefined ?
this :
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 );
}
});
},
dequeue: function( type ) {
return this.each(function() {
jQuery.dequeue( this, type );
});
},
clearQueue: function( type ) {
return this.queue( type || "fx", [] );
},
// Get a promise resolved when queues of a certain type
// are emptied (fx is the type by default)
promise: function( type, obj ) {
var tmp,
count = 1,
defer = jQuery.Deferred(),
elements = this,
i = this.length,
resolve = function() {
if ( !( --count ) ) {
defer.resolveWith( elements, [ elements ] );
}
};
if ( typeof type !== "string" ) {
obj = type;
type = undefined;
}
type = type || "fx";
while( i-- ) {
tmp = data_priv.get( elements[ i ], type + "queueHooks" );
if ( tmp && tmp.empty ) {
count++;
tmp.empty.add( resolve );
}
}
resolve();
return defer.promise( obj );
}
});
return jQuery;
});
|
