root / drupal7 / sites / all / libraries / flexslider-2.5.0 / bower_components / jquery / src / deferred.js @ 0aee3c58
| 1 |
define([ |
|---|---|
| 2 |
"./core",
|
| 3 |
"./var/slice",
|
| 4 |
"./callbacks"
|
| 5 |
], function( jQuery, slice ) {
|
| 6 |
|
| 7 |
jQuery.extend({
|
| 8 |
|
| 9 |
Deferred: function( func ) { |
| 10 |
var tuples = [
|
| 11 |
// action, add listener, listener list, final state
|
| 12 |
[ "resolve", "done", jQuery.Callbacks("once memory"), "resolved" ], |
| 13 |
[ "reject", "fail", jQuery.Callbacks("once memory"), "rejected" ], |
| 14 |
[ "notify", "progress", jQuery.Callbacks("memory") ] |
| 15 |
], |
| 16 |
state = "pending",
|
| 17 |
promise = {
|
| 18 |
state: function() { |
| 19 |
return state;
|
| 20 |
}, |
| 21 |
always: function() { |
| 22 |
deferred.done( arguments ).fail( arguments ); |
| 23 |
return this; |
| 24 |
}, |
| 25 |
then: function( /* fnDone, fnFail, fnProgress */ ) { |
| 26 |
var fns = arguments; |
| 27 |
return jQuery.Deferred(function( newDefer ) { |
| 28 |
jQuery.each( tuples, function( i, tuple ) {
|
| 29 |
var fn = jQuery.isFunction( fns[ i ] ) && fns[ i ];
|
| 30 |
// deferred[ done | fail | progress ] for forwarding actions to newDefer
|
| 31 |
deferred[ tuple[1] ](function() { |
| 32 |
var returned = fn && fn.apply( this, arguments ); |
| 33 |
if ( returned && jQuery.isFunction( returned.promise ) ) {
|
| 34 |
returned.promise() |
| 35 |
.done( newDefer.resolve ) |
| 36 |
.fail( newDefer.reject ) |
| 37 |
.progress( newDefer.notify ); |
| 38 |
} else {
|
| 39 |
newDefer[ tuple[ 0 ] + "With" ]( this === promise ? newDefer.promise() : this, fn ? [ returned ] : arguments ); |
| 40 |
} |
| 41 |
}); |
| 42 |
}); |
| 43 |
fns = null;
|
| 44 |
}).promise(); |
| 45 |
}, |
| 46 |
// Get a promise for this deferred
|
| 47 |
// If obj is provided, the promise aspect is added to the object
|
| 48 |
promise: function( obj ) { |
| 49 |
return obj != null ? jQuery.extend( obj, promise ) : promise; |
| 50 |
} |
| 51 |
}, |
| 52 |
deferred = {};
|
| 53 |
|
| 54 |
// Keep pipe for back-compat
|
| 55 |
promise.pipe = promise.then; |
| 56 |
|
| 57 |
// Add list-specific methods
|
| 58 |
jQuery.each( tuples, function( i, tuple ) {
|
| 59 |
var list = tuple[ 2 ], |
| 60 |
stateString = tuple[ 3 ];
|
| 61 |
|
| 62 |
// promise[ done | fail | progress ] = list.add
|
| 63 |
promise[ tuple[1] ] = list.add;
|
| 64 |
|
| 65 |
// Handle state
|
| 66 |
if ( stateString ) {
|
| 67 |
list.add(function() {
|
| 68 |
// state = [ resolved | rejected ]
|
| 69 |
state = stateString; |
| 70 |
|
| 71 |
// [ reject_list | resolve_list ].disable; progress_list.lock
|
| 72 |
}, tuples[ i ^ 1 ][ 2 ].disable, tuples[ 2 ][ 2 ].lock ); |
| 73 |
} |
| 74 |
|
| 75 |
// deferred[ resolve | reject | notify ]
|
| 76 |
deferred[ tuple[0] ] = function() { |
| 77 |
deferred[ tuple[0] + "With" ]( this === deferred ? promise : this, arguments ); |
| 78 |
return this; |
| 79 |
}; |
| 80 |
deferred[ tuple[0] + "With" ] = list.fireWith; |
| 81 |
}); |
| 82 |
|
| 83 |
// Make the deferred a promise
|
| 84 |
promise.promise( deferred ); |
| 85 |
|
| 86 |
// Call given func if any
|
| 87 |
if ( func ) {
|
| 88 |
func.call( deferred, deferred ); |
| 89 |
} |
| 90 |
|
| 91 |
// All done!
|
| 92 |
return deferred;
|
| 93 |
}, |
| 94 |
|
| 95 |
// Deferred helper
|
| 96 |
when: function( subordinate /* , ..., subordinateN */ ) { |
| 97 |
var i = 0, |
| 98 |
resolveValues = slice.call( arguments ),
|
| 99 |
length = resolveValues.length, |
| 100 |
|
| 101 |
// the count of uncompleted subordinates
|
| 102 |
remaining = length !== 1 || ( subordinate && jQuery.isFunction( subordinate.promise ) ) ? length : 0, |
| 103 |
|
| 104 |
// the master Deferred. If resolveValues consist of only a single Deferred, just use that.
|
| 105 |
deferred = remaining === 1 ? subordinate : jQuery.Deferred(),
|
| 106 |
|
| 107 |
// Update function for both resolve and progress values
|
| 108 |
updateFunc = function( i, contexts, values ) { |
| 109 |
return function( value ) { |
| 110 |
contexts[ i ] = this;
|
| 111 |
values[ i ] = arguments.length > 1 ? slice.call( arguments ) : value; |
| 112 |
if ( values === progressValues ) {
|
| 113 |
deferred.notifyWith( contexts, values ); |
| 114 |
|
| 115 |
} else if ( !(--remaining) ) { |
| 116 |
deferred.resolveWith( contexts, values ); |
| 117 |
} |
| 118 |
}; |
| 119 |
}, |
| 120 |
|
| 121 |
progressValues, progressContexts, resolveContexts; |
| 122 |
|
| 123 |
// add listeners to Deferred subordinates; treat others as resolved
|
| 124 |
if ( length > 1 ) { |
| 125 |
progressValues = new Array( length );
|
| 126 |
progressContexts = new Array( length );
|
| 127 |
resolveContexts = new Array( length );
|
| 128 |
for ( ; i < length; i++ ) {
|
| 129 |
if ( resolveValues[ i ] && jQuery.isFunction( resolveValues[ i ].promise ) ) {
|
| 130 |
resolveValues[ i ].promise() |
| 131 |
.done( updateFunc( i, resolveContexts, resolveValues ) ) |
| 132 |
.fail( deferred.reject ) |
| 133 |
.progress( updateFunc( i, progressContexts, progressValues ) ); |
| 134 |
} else {
|
| 135 |
--remaining; |
| 136 |
} |
| 137 |
} |
| 138 |
} |
| 139 |
|
| 140 |
// if we're not waiting on anything, resolve the master
|
| 141 |
if ( !remaining ) {
|
| 142 |
deferred.resolveWith( resolveContexts, resolveValues ); |
| 143 |
} |
| 144 |
|
| 145 |
return deferred.promise();
|
| 146 |
} |
| 147 |
}); |
| 148 |
|
| 149 |
return jQuery;
|
| 150 |
}); |