https://vecht.nl/wp-includes/js/jquery/ui/effect.js?ver=1.13.3

1/*!
2 * jQuery UI Effects 1.13.3
3 * https://jqueryui.com
4 *
5 * Copyright OpenJS Foundation and other contributors
6 * Released under the MIT license.
7 * https://jquery.org/license
8 */
9
10//>>label: Effects Core
11//>>group: Effects
12/* eslint-disable max-len */
13//>>description: Extends the internal jQuery effects. Includes morphing and easing. Required by all other effects.
14/* eslint-enable max-len */
15//>>docs: https://api.jqueryui.com/category/effects-core/
16//>>demos: https://jqueryui.com/effect/
17
18( function( factory ) {
19	"use strict";
20
21	if ( typeof define === "function" && define.amd ) {
22
23		// AMD. Register as an anonymous module.
24		define( [
25			"jquery",
26			"./jquery-var-for-color",
27			"./vendor/jquery-color/jquery.color",
28			"./version"
29		], factory );
30	} else {
31
32		// Browser globals
33		factory( jQuery );
34	}
35} )( function( $ ) {
36"use strict";
37
38var dataSpace = "ui-effects-",
39	dataSpaceStyle = "ui-effects-style",
40	dataSpaceAnimated = "ui-effects-animated";
41
42$.effects = {
43	effect: {}
44};
45
46/******************************************************************************/
47/****************************** CLASS ANIMATIONS ******************************/
48/******************************************************************************/
49( function() {
50
51var classAnimationActions = [ "add", "remove", "toggle" ],
52	shorthandStyles = {
53		border: 1,
54		borderBottom: 1,
55		borderColor: 1,
56		borderLeft: 1,
57		borderRight: 1,
58		borderTop: 1,
59		borderWidth: 1,
60		margin: 1,
61		padding: 1
62	};
63
64$.each(
65	[ "borderLeftStyle", "borderRightStyle", "borderBottomStyle", "borderTopStyle" ],
66	function( _, prop ) {
67		$.fx.step[ prop ] = function( fx ) {
68			if ( fx.end !== "none" && !fx.setAttr || fx.pos === 1 && !fx.setAttr ) {
69				jQuery.style( fx.elem, prop, fx.end );
70				fx.setAttr = true;
71			}
72		};
73	}
74);
75
76function camelCase( string ) {
77	return string.replace( /-([\da-z])/gi, function( all, letter ) {
78		return letter.toUpperCase();
79	} );
80}
81
82function getElementStyles( elem ) {
83	var key, len,
84		style = elem.ownerDocument.defaultView ?
85			elem.ownerDocument.defaultView.getComputedStyle( elem, null ) :
86			elem.currentStyle,
87		styles = {};
88
89	if ( style && style.length && style[ 0 ] && style[ style[ 0 ] ] ) {
90		len = style.length;
91		while ( len-- ) {
92			key = style[ len ];
93			if ( typeof style[ key ] === "string" ) {
94				styles[ camelCase( key ) ] = style[ key ];
95			}
96		}
97
98	// Support: Opera, IE <9
99	} else {
100		for ( key in style ) {
101			if ( typeof style[ key ] === "string" ) {
102				styles[ key ] = style[ key ];
103			}
104		}
105	}
106
107	return styles;
108}
109
110function styleDifference( oldStyle, newStyle ) {
111	var diff = {},
112		name, value;
113
114	for ( name in newStyle ) {
115		value = newStyle[ name ];
116		if ( oldStyle[ name ] !== value ) {
117			if ( !shorthandStyles[ name ] ) {
118				if ( $.fx.step[ name ] || !isNaN( parseFloat( value ) ) ) {
119					diff[ name ] = value;
120				}
121			}
122		}
123	}
124
125	return diff;
126}
127
128// Support: jQuery <1.8
129if ( !$.fn.addBack ) {
130	$.fn.addBack = function( selector ) {
131		return this.add( selector == null ?
132			this.prevObject : this.prevObject.filter( selector )
133		);
134	};
135}
136
137$.effects.animateClass = function( value, duration, easing, callback ) {
138	var o = $.speed( duration, easing, callback );
139
140	return this.queue( function() {
141		var animated = $( this ),
142			baseClass = animated.attr( "class" ) || "",
143			applyClassChange,
144			allAnimations = o.children ? animated.find( "*" ).addBack() : animated;
145
146		// Map the animated objects to store the original styles.
147		allAnimations = allAnimations.map( function() {
148			var el = $( this );
149			return {
150				el: el,
151				start: getElementStyles( this )
152			};
153		} );
154
155		// Apply class change
156		applyClassChange = function() {
157			$.each( classAnimationActions, function( i, action ) {
158				if ( value[ action ] ) {
159					animated[ action + "Class" ]( value[ action ] );
160				}
161			} );
162		};
163		applyClassChange();
164
165		// Map all animated objects again - calculate new styles and diff
166		allAnimations = allAnimations.map( function() {
167			this.end = getElementStyles( this.el[ 0 ] );
168			this.diff = styleDifference( this.start, this.end );
169			return this;
170		} );
171
172		// Apply original class
173		animated.attr( "class", baseClass );
174
175		// Map all animated objects again - this time collecting a promise
176		allAnimations = allAnimations.map( function() {
177			var styleInfo = this,
178				dfd = $.Deferred(),
179				opts = $.extend( {}, o, {
180					queue: false,
181					complete: function() {
182						dfd.resolve( styleInfo );
183					}
184				} );
185
186			this.el.animate( this.diff, opts );
187			return dfd.promise();
188		} );
189
190		// Once all animations have completed:
191		$.when.apply( $, allAnimations.get() ).done( function() {
192
193			// Set the final class
194			applyClassChange();
195
196			// For each animated element,
197			// clear all css properties that were animated
198			$.each( arguments, function() {
199				var el = this.el;
200				$.each( this.diff, function( key ) {
201					el.css( key, "" );
202				} );
203			} );
204
205			// This is guarnteed to be there if you use jQuery.speed()
206			// it also handles dequeuing the next anim...
207			o.complete.call( animated[ 0 ] );
208		} );
209	} );
210};
211
212$.fn.extend( {
213	addClass: ( function( orig ) {
214		return function( classNames, speed, easing, callback ) {
215			return speed ?
216				$.effects.animateClass.call( this,
217					{ add: classNames }, speed, easing, callback ) :
218				orig.apply( this, arguments );
219		};
220	} )( $.fn.addClass ),
221
222	removeClass: ( function( orig ) {
223		return function( classNames, speed, easing, callback ) {
224			return arguments.length > 1 ?
225				$.effects.animateClass.call( this,
226					{ remove: classNames }, speed, easing, callback ) :
227				orig.apply( this, arguments );
228		};
229	} )( $.fn.removeClass ),
230
231	toggleClass: ( function( orig ) {
232		return function( classNames, force, speed, easing, callback ) {
233			if ( typeof force === "boolean" || force === undefined ) {
234				if ( !speed ) {
235
236					// Without speed parameter
237					return orig.apply( this, arguments );
238				} else {
239					return $.effects.animateClass.call( this,
240						( force ? { add: classNames } : { remove: classNames } ),
241						speed, easing, callback );
242				}
243			} else {
244
245				// Without force parameter
246				return $.effects.animateClass.call( this,
247					{ toggle: classNames }, force, speed, easing );
248			}
249		};
250	} )( $.fn.toggleClass ),
251
252	switchClass: function( remove, add, speed, easing, callback ) {
253		return $.effects.animateClass.call( this, {
254			add: add,
255			remove: remove
256		}, speed, easing, callback );
257	}
258} );
259
260} )();
261
262/******************************************************************************/
263/*********************************** EFFECTS **********************************/
264/******************************************************************************/
265
266( function() {
267
268if ( $.expr && $.expr.pseudos && $.expr.pseudos.animated ) {
269	$.expr.pseudos.animated = ( function( orig ) {
270		return function( elem ) {
271			return !!$( elem ).data( dataSpaceAnimated ) || orig( elem );
272		};
273	} )( $.expr.pseudos.animated );
274}
275
276if ( $.uiBackCompat !== false ) {
277	$.extend( $.effects, {
278
279		// Saves a set of properties in a data storage
280		save: function( element, set ) {
281			var i = 0, length = set.length;
282			for ( ; i < length; i++ ) {
283				if ( set[ i ] !== null ) {
284					element.data( dataSpace + set[ i ], element[ 0 ].style[ set[ i ] ] );
285				}
286			}
287		},
288
289		// Restores a set of previously saved properties from a data storage
290		restore: function( element, set ) {
291			var val, i = 0, length = set.length;
292			for ( ; i < length; i++ ) {
293				if ( set[ i ] !== null ) {
294					val = element.data( dataSpace + set[ i ] );
295					element.css( set[ i ], val );
296				}
297			}
298		},
299
300		setMode: function( el, mode ) {
301			if ( mode === "toggle" ) {
302				mode = el.is( ":hidden" ) ? "show" : "hide";
303			}
304			return mode;
305		},
306
307		// Wraps the element around a wrapper that copies position properties
308		createWrapper: function( element ) {
309
310			// If the element is already wrapped, return it
311			if ( element.parent().is( ".ui-effects-wrapper" ) ) {
312				return element.parent();
313			}
314
315			// Wrap the element
316			var props = {
317					width: element.outerWidth( true ),
318					height: element.outerHeight( true ),
319					"float": element.css( "float" )
320				},
321				wrapper = $( "<div></div>" )
322					.addClass( "ui-effects-wrapper" )
323					.css( {
324						fontSize: "100%",
325						background: "transparent",
326						border: "none",
327						margin: 0,
328						padding: 0
329					} ),
330
331				// Store the size in case width/height are defined in % - Fixes #5245
332				size = {
333					width: element.width(),
334					height: element.height()
335				},
336				active = document.activeElement;
337
338			// Support: Firefox
339			// Firefox incorrectly exposes anonymous content
340			// https://bugzilla.mozilla.org/show_bug.cgi?id=561664
341			try {
342				// eslint-disable-next-line no-unused-expressions
343				active.id;
344			} catch ( e ) {
345				active = document.body;
346			}
347
348			element.wrap( wrapper );
349
350			// Fixes #7595 - Elements lose focus when wrapped.
351			if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
352				$( active ).trigger( "focus" );
353			}
354
355			// Hotfix for jQuery 1.4 since some change in wrap() seems to actually
356			// lose the reference to the wrapped element
357			wrapper = element.parent();
358
359			// Transfer positioning properties to the wrapper
360			if ( element.css( "position" ) === "static" ) {
361				wrapper.css( { position: "relative" } );
362				element.css( { position: "relative" } );
363			} else {
364				$.extend( props, {
365					position: element.css( "position" ),
366					zIndex: element.css( "z-index" )
367				} );
368				$.each( [ "top", "left", "bottom", "right" ], function( i, pos ) {
369					props[ pos ] = element.css( pos );
370					if ( isNaN( parseInt( props[ pos ], 10 ) ) ) {
371						props[ pos ] = "auto";
372					}
373				} );
374				element.css( {
375					position: "relative",
376					top: 0,
377					left: 0,
378					right: "auto",
379					bottom: "auto"
380				} );
381			}
382			element.css( size );
383
384			return wrapper.css( props ).show();
385		},
386
387		removeWrapper: function( element ) {
388			var active = document.activeElement;
389
390			if ( element.parent().is( ".ui-effects-wrapper" ) ) {
391				element.parent().replaceWith( element );
392
393				// Fixes #7595 - Elements lose focus when wrapped.
394				if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
395					$( active ).trigger( "focus" );
396				}
397			}
398
399			return element;
400		}
401	} );
402}
403
404$.extend( $.effects, {
405	version: "1.13.3

405",
406
407	define: function( name, mode, effect ) {
408		if ( !effect ) {
409			effect = mode;
410			mode = "effect";
411		}
412
413		$.effects.effect[ name ] = effect;
414		$.effects.effect[ name ].mode = mode;
415
416		return effect;
417	},
418
419	scaledDimensions: function( element, percent, direction ) {
420		if ( percent === 0 ) {
421			return {
422				height: 0,
423				width: 0,
424				outerHeight: 0,
425				outerWidth: 0
426			};
427		}
428
429		var x = direction !== "horizontal" ? ( ( percent || 100 ) / 100 ) : 1,
430			y = direction !== "vertical" ? ( ( percent || 100 ) / 100 ) : 1;
431
432		return {
433			height: element.height() * y,
434			width: element.width() * x,
435			outerHeight: element.outerHeight() * y,
436			outerWidth: element.outerWidth() * x
437		};
438
439	},
440
441	clipToBox: function( animation ) {
442		return {
443			width: animation.clip.right - animation.clip.left,
444			height: animation.clip.bottom - animation.clip.top,
445			left: animation.clip.left,
446			top: animation.clip.top
447		};
448	},
449
450	// Injects recently queued functions to be first in line (after "inprogress")
451	unshift: function( element, queueLength, count ) {
452		var queue = element.queue();
453
454		if ( queueLength > 1 ) {
455			queue.splice.apply( queue,
456				[ 1, 0 ].concat( queue.splice( queueLength, count ) ) );
457		}
458		element.dequeue();
459	},
460
461	saveStyle: function( element ) {
462		element.data( dataSpaceStyle, element[ 0 ].style.cssText );
463	},
464
465	restoreStyle: function( element ) {
466		element[ 0 ].style.cssText = element.data( dataSpaceStyle ) || "";
467		element.removeData( dataSpaceStyle );
468	},
469
470	mode: function( element, mode ) {
471		var hidden = element.is( ":hidden" );
472
473		if ( mode === "toggle" ) {
474			mode = hidden ? "show" : "hide";
475		}
476		if ( hidden ? mode === "hide" : mode === "show" ) {
477			mode = "none";
478		}
479		return mode;
480	},
481
482	// Translates a [top,left] array into a baseline value
483	getBaseline: function( origin, original ) {
484		var y, x;
485
486		switch ( origin[ 0 ] ) {
487		case "top":
488			y = 0;
489			break;
490		case "middle":
491			y = 0.5;
492			break;
493		case "bottom":
494			y = 1;
495			break;
496		default:
497			y = origin[ 0 ] / original.height;
498		}
499
500		switch ( origin[ 1 ] ) {
501		case "left":
502			x = 0;
503			break;
504		case "center":
505			x = 0.5;
506			break;
507		case "right":
508			x = 1;
509			break;
510		default:
511			x = origin[ 1 ] / original.width;
512		}
513
514		return {
515			x: x,
516			y: y
517		};
518	},
519
520	// Creates a placeholder element so that the original element can be made absolute
521	createPlaceholder: function( element ) {
522		var placeholder,
523			cssPosition = element.css( "position" ),
524			position = element.position();
525
526		// Lock in margins first to account for form elements, which
527		// will change margin if you explicitly set height
528		// see: https://jsfiddle.net/JZSMt/3/ https://bugs.webkit.org/show_bug.cgi?id=107380
529		// Support: Safari
530		element.css( {
531			marginTop: element.css( "marginTop" ),
532			marginBottom: element.css( "marginBottom" ),
533			marginLeft: element.css( "marginLeft" ),
534			marginRight: element.css( "marginRight" )
535		} )
536		.outerWidth( element.outerWidth() )
537		.outerHeight( element.outerHeight() );
538
539		if ( /^(static|relative)/.test( cssPosition ) ) {
540			cssPosition = "absolute";
541
542			placeholder = $( "<" + element[ 0 ].nodeName + ">" ).insertAfter( element ).css( {
543
544				// Convert inline to inline block to account for inline elements
545				// that turn to inline block based on content (like img)
546				display: /^(inline|ruby)/.test( element.css( "display" ) ) ?
547					"inline-block" :
548					"block",
549				visibility: "hidden",
550
551				// Margins need to be set to account for margin collapse
552				marginTop: element.css( "marginTop" ),
553				marginBottom: element.css( "marginBottom" ),
554				marginLeft: element.css( "marginLeft" ),
555				marginRight: element.css( "marginRight" ),
556				"float": element.css( "float" )
557			} )
558			.outerWidth( element.outerWidth() )
559			.outerHeight( element.outerHeight() )
560			.addClass( "ui-effects-placeholder" );
561
562			element.data( dataSpace + "placeholder", placeholder );
563		}
564
565		element.css( {
566			position: cssPosition,
567			left: position.left,
568			top: position.top
569		} );
570
571		return placeholder;
572	},
573
574	removePlaceholder: function( element ) {
575		var dataKey = dataSpace + "placeholder",
576				placeholder = element.data( dataKey );
577
578		if ( placeholder ) {
579			placeholder.remove();
580			element.removeData( dataKey );
581		}
582	},
583
584	// Removes a placeholder if it exists and restores
585	// properties that were modified during placeholder creation
586	cleanUp: function( element ) {
587		$.effects.restoreStyle( element );
588		$.effects.removePlaceholder( element );
589	},
590
591	setTransition: function( element, list, factor, value ) {
592		value = value || {};
593		$.each( list, function( i, x ) {
594			var unit = element.cssUnit( x );
595			if ( unit[ 0 ] > 0 ) {
596				value[ x ] = unit[ 0 ] * factor + unit[ 1 ];
597			}
598		} );
599		return value;
600	}
601} );
602
603// Return an effect options object for the given parameters:
604function _normalizeArguments( effect, options, speed, callback ) {
605
606	// Allow passing all options as the first parameter
607	if ( $.isPlainObject( effect ) ) {
608		options = effect;
609		effect = effect.effect;
610	}
611
612	// Convert to an object
613	effect = { effect: effect };
614
615	// Catch (effect, null, ...)
616	if ( options == null ) {
617		options = {};
618	}
619
620	// Catch (effect, callback)
621	if ( typeof options === "function" ) {
622		callback = options;
623		speed = null;
624		options = {};
625	}
626
627	// Catch (effect, speed, ?)
628	if ( typeof options === "number" || $.fx.speeds[ options ] ) {
629		callback = speed;
630		speed = options;
631		options = {};
632	}
633
634	// Catch (effect, options, callback)
635	if ( typeof speed === "function" ) {
636		callback = speed;
637		speed = null;
638	}
639
640	// Add options to effect
641	if ( options ) {
642		$.extend( effect, options );
643	}
644
645	speed = speed || options.duration;
646	effect.duration = $.fx.off ? 0 :
647		typeof speed === "number" ? speed :
648		speed in $.fx.speeds ? $.fx.speeds[ speed ] :
649		$.fx.speeds._default;
650
651	effect.complete = callback || options.complete;
652
653	return effect;
654}
655
656function standardAnimationOption( option ) {
657
658	// Valid standard speeds (nothing, number, named speed)
659	if ( !option || typeof option === "number" || $.fx.speeds[ option ] ) {
660		return true;
661	}
662
663	// Invalid strings - treat as "normal" speed
664	if ( typeof option === "string" && !$.effects.effect[ option ] ) {
665		return true;
666	}
667
668	// Complete callback
669	if ( typeof option === "function" ) {
670		return true;
671	}
672
673	// Options hash (but not naming an effect)

674	if ( typeof option === "object" && !option.effect ) {
675		return true;
676	}
677
678	// Didn't match any standard API
679	return false;
680}
681
682$.fn.extend( {
683	effect: function( /* effect, options, speed, callback */ ) {
684		var args = _normalizeArguments.apply( this, arguments ),
685			effectMethod = $.effects.effect[ args.effect ],
686			defaultMode = effectMethod.mode,
687			queue = args.queue,
688			queueName = queue || "fx",
689			complete = args.complete,
690			mode = args.mode,
691			modes = [],
692			prefilter = function( next ) {
693				var el = $( this ),
694					normalizedMode = $.effects.mode( el, mode ) || defaultMode;
695
696				// Sentinel for duck-punching the :animated pseudo-selector
697				el.data( dataSpaceAnimated, true );
698
699				// Save effect mode for later use,
700				// we can't just call $.effects.mode again later,
701				// as the .show() below destroys the initial state
702				modes.push( normalizedMode );
703
704				// See $.uiBackCompat inside of run() for removal of defaultMode in 1.14
705				if ( defaultMode && ( normalizedMode === "show" ||
706						( normalizedMode === defaultMode && normalizedMode === "hide" ) ) ) {
707					el.show();
708				}
709
710				if ( !defaultMode || normalizedMode !== "none" ) {
711					$.effects.saveStyle( el );
712				}
713
714				if ( typeof next === "function" ) {
715					next();
716				}
717			};
718
719		if ( $.fx.off || !effectMethod ) {
720
721			// Delegate to the original method (e.g., .show()) if possible
722			if ( mode ) {
723				return this[ mode ]( args.duration, complete );
724			} else {
725				return this.each( function() {
726					if ( complete ) {
727						complete.call( this );
728					}
729				} );
730			}
731		}
732
733		function run( next ) {
734			var elem = $( this );
735
736			function cleanup() {
737				elem.removeData( dataSpaceAnimated );
738
739				$.effects.cleanUp( elem );
740
741				if ( args.mode === "hide" ) {
742					elem.hide();
743				}
744
745				done();
746			}
747
748			function done() {
749				if ( typeof complete === "function" ) {
750					complete.call( elem[ 0 ] );
751				}
752
753				if ( typeof next === "function" ) {
754					next();
755				}
756			}
757
758			// Override mode option on a per element basis,
759			// as toggle can be either show or hide depending on element state
760			args.mode = modes.shift();
761
762			if ( $.uiBackCompat !== false && !defaultMode ) {
763				if ( elem.is( ":hidden" ) ? mode === "hide" : mode === "show" ) {
764
765					// Call the core method to track "olddisplay" properly
766					elem[ mode ]();
767					done();
768				} else {
769					effectMethod.call( elem[ 0 ], args, done );
770				}
771			} else {
772				if ( args.mode === "none" ) {
773
774					// Call the core method to track "olddisplay" properly
775					elem[ mode ]();
776					done();
777				} else {
778					effectMethod.call( elem[ 0 ], args, cleanup );
779				}
780			}
781		}
782
783		// Run prefilter on all elements first to ensure that
784		// any showing or hiding happens before placeholder creation,
785		// which ensures that any layout changes are correctly captured.
786		return queue === false ?
787			this.each( prefilter ).each( run ) :
788			this.queue( queueName, prefilter ).queue( queueName, run );
789	},
790
791	show: ( function( orig ) {
792		return function( option ) {
793			if ( standardAnimationOption( option ) ) {
794				return orig.apply( this, arguments );
795			} else {
796				var args = _normalizeArguments.apply( this, arguments );
797				args.mode = "show";
798				return this.effect.call( this, args );
799			}
800		};
801	} )( $.fn.show ),
802
803	hide: ( function( orig ) {
804		return function( option ) {
805			if ( standardAnimationOption( option ) ) {
806				return orig.apply( this, arguments );
807			} else {
808				var args = _normalizeArguments.apply( this, arguments );
809				args.mode = "hide";
810				return this.effect.call( this, args );
811			}
812		};
813	} )( $.fn.hide ),
814
815	toggle: ( function( orig ) {
816		return function( option ) {
817			if ( standardAnimationOption( option ) || typeof option === "boolean" ) {
818				return orig.apply( this, arguments );
819			} else {
820				var args = _normalizeArguments.apply( this, arguments );
821				args.mode = "toggle";
822				return this.effect.call( this, args );
823			}
824		};
825	} )( $.fn.toggle ),
826
827	cssUnit: function( key ) {
828		var style = this.css( key ),
829			val = [];
830
831		$.each( [ "em", "px", "%", "pt" ], function( i, unit ) {
832			if ( style.indexOf( unit ) > 0 ) {
833				val = [ parseFloat( style ), unit ];
834			}
835		} );
836		return val;
837	},
838
839	cssClip: function( clipObj ) {
840		if ( clipObj ) {
841			return this.css( "clip", "rect(" + clipObj.top + "px " + clipObj.right + "px " +
842				clipObj.bottom + "px " + clipObj.left + "px)" );
843		}
844		return parseClip( this.css( "clip" ), this );
845	},
846
847	transfer: function( options, done ) {
848		var element = $( this ),
849			target = $( options.to ),
850			targetFixed = target.css( "position" ) === "fixed",
851			body = $( "body" ),
852			fixTop = targetFixed ? body.scrollTop() : 0,
853			fixLeft = targetFixed ? body.scrollLeft() : 0,
854			endPosition = target.offset(),
855			animation = {
856				top: endPosition.top - fixTop,
857				left: endPosition.left - fixLeft,
858				height: target.innerHeight(),
859				width: target.innerWidth()
860			},
861			startPosition = element.offset(),
862			transfer = $( "<div class='ui-effects-transfer'></div>" );
863
864		transfer
865			.appendTo( "body" )
866			.addClass( options.className )
867			.css( {
868				top: startPosition.top - fixTop,
869				left: startPosition.left - fixLeft,
870				height: element.innerHeight(),
871				width: element.innerWidth(),
872				position: targetFixed ? "fixed" : "absolute"
873			} )
874			.animate( animation, options.duration, options.easing, function() {
875				transfer.remove();
876				if ( typeof done === "function" ) {
877					done();
878				}
879			} );
880	}
881} );
882
883function parseClip( str, element ) {
884		var outerWidth = element.outerWidth(),
885			outerHeight = element.outerHeight(),
886			clipRegex = /^rect\((-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto),?\s*(-?\d*\.?\d*px|-?\d+%|auto)\)$/,
887			values = clipRegex.exec( str ) || [ "", 0, outerWidth, outerHeight, 0 ];
888
889		return {
890			top: parseFloat( values[ 1 ] ) || 0,
891			right: values[ 2 ] === "auto" ? outerWidth : parseFloat( values[ 2 ] ),
892			bottom: values[ 3 ] === "auto" ? outerHeight : parseFloat( values[ 3 ] ),
893			left: parseFloat( values[ 4 ] ) || 0
894		};
895}
896
897$.fx.step.clip = function( fx ) {
898	if ( !fx.clipInit ) {
899		fx.start = $( fx.elem ).cssClip();
900		if ( typeof fx.end === "string" ) {
901			fx.end = parseClip( fx.end, fx.elem );
902		}
903		fx.clipInit = true;
904	}
905
906	$( fx.elem ).cssClip( {
907		top: fx.pos * ( fx.end.top - fx.start.top ) + fx.start.top,
908		right: fx.pos * ( fx.end.right - fx.start.right ) + fx.start.right,
909		bottom: fx.pos * ( fx.end.bottom - fx.start.bottom ) + fx.start.bottom,
910		left: fx.pos * ( fx.end.left - fx.start.left ) + fx.start.left
911	} );
912};
913
914} )();
915
916/******************************************************************************/
917/*********************************** EASING ***********************************/
918/******************************************************************************/
919
920( function() {
921
922// Based on easing equations from Robert Penner (http://robertpenner.com/easing)
923
924var baseEasings = {};
925
926$.each( [ "Quad", "Cubic", "Quart", "Quint", "Expo" ], function( i, name ) {
927	baseEasings[ name ] = function( p ) {
928		return Math.pow( p, i + 2 );
929	};
930} );
931
932$.extend( baseEasings, {
933	Sine: function( p ) {
934		return 1 - Math.cos( p * Math.PI / 2 );
935	},
936	Circ: function( p ) {
937		return 1 - Math.sqrt( 1 - p * p );
938	},
939	Elastic: function( p ) {
940		return p === 0 || p === 1 ? p :
941			-Math.pow( 2, 8 * ( p - 1 ) ) * Math.sin( ( ( p - 1 ) * 80 - 7.5 ) * Math.PI / 15 );
942	},
943	Back: function( p ) {
944		return p * p * ( 3 * p - 2 );
945	},
946	Bounce: function( p ) {
947		var pow2,
948			bounce = 4;
949
950		while ( p < ( ( pow2 = Math.pow( 2, --bounce ) ) - 1 ) / 11 ) {}
951		return 1 / Math.pow( 4, 3 - bounce ) - 7.5625 * Math.pow( ( pow2 * 3 - 2 ) / 22 - p, 2 );
952	}
953} );
954
955$.each( baseEasings, function( name, easeIn ) {
956	$.easing[ "easeIn" + name ] = easeIn;
957	$.easing[ "easeOut" + name ] = function( p ) {
958		return 1 - easeIn( 1 - p );
959	};
960	$.easing[ "easeInOut" + name ] = function( p ) {
961		return p < 0.5 ?
962			easeIn( p * 2 ) / 2 :
963			1 - easeIn( p * -2 + 2 ) / 2;
964	};
965} );
966
967} )();
968