https://www.foodandwateraction.org/wp-content/plugins/post-grid/as…/frontend/js/owl.carousel.min.js?ver=7.0.5

1/**
2 * Owl Carousel v2.1.0
3 * Copyright 2013-2016 David Deutsch
4 * Licensed under MIT (https://github.com/OwlCarousel2/OwlCarousel2/blob/master/LICENSE)
5 */
6/**
7 * Owl carousel
8 * @version 2.1.0
9 * @author Bartosz Wojciechowski
10 * @author David Deutsch
11 * @license The MIT License (MIT)
12 * @todo Lazy Load Icon
13 * @todo prevent animationend bubling
14 * @todo itemsScaleUp
15 * @todo Test Zepto
16 * @todo stagePadding calculate wrong active classes
17 */
18;(function($, window, document, undefined) {
19
20	/**
21	 * Creates a carousel.
22	 * @class The Owl Carousel.
23	 * @public
24	 * @param {HTMLElement|jQuery} element - The element to create the carousel for.
25	 * @param {Object} [options] - The options
26	 */
27	function Owl(element, options) {
28
29		/**
30		 * Current settings for the carousel.
31		 * @public
32		 */
33		this.settings = null;
34
35		/**
36		 * Current options set by the caller including defaults.
37		 * @public
38		 */
39		this.options = $.extend({}, Owl.Defaults, options);
40
41		/**
42		 * Plugin element.
43		 * @public
44		 */
45		this.$element = $(element);
46
47		/**
48		 * Proxied event handlers.
49		 * @protected
50		 */
51		this._handlers = {};
52
53		/**
54		 * References to the running plugins of this carousel.
55		 * @protected
56		 */
57		this._plugins = {};
58
59		/**
60		 * Currently suppressed events to prevent them from beeing retriggered.
61		 * @protected
62		 */
63		this._supress = {};
64
65		/**
66		 * Absolute current position.
67		 * @protected
68		 */
69		this._current = null;
70
71		/**
72		 * Animation speed in milliseconds.
73		 * @protected
74		 */
75		this._speed = null;
76
77		/**
78		 * Coordinates of all items in pixel.
79		 * @todo The name of this member is missleading.
80		 * @protected
81		 */
82		this._coordinates = [];
83
84		/**
85		 * Current breakpoint.
86		 * @todo Real media queries would be nice.
87		 * @protected
88		 */
89		this._breakpoint = null;
90
91		/**
92		 * Current width of the plugin element.
93		 */
94		this._width = null;
95
96		/**
97		 * All real items.
98		 * @protected
99		 */
100		this._items = [];
101
102		/**
103		 * All cloned items.
104		 * @protected
105		 */
106		this._clones = [];
107
108		/**
109		 * Merge values of all items.
110		 * @todo Maybe this could be part of a plugin.
111		 * @protected
112		 */
113		this._mergers = [];
114
115		/**
116		 * Widths of all items.
117		 */
118		this._widths = [];
119
120		/**
121		 * Invalidated parts within the update process.
122		 * @protected
123		 */
124		this._invalidated = {};
125
126		/**
127		 * Ordered list of workers for the update process.
128		 * @protected
129		 */
130		this._pipe = [];
131
132		/**
133		 * Current state information for the drag operation.
134		 * @todo #261
135		 * @protected
136		 */
137		this._drag = {
138			time: null,
139			target: null,
140			pointer: null,
141			stage: {
142				start: null,
143				current: null
144			},
145			direction: null
146		};
147
148		/**
149		 * Current state information and their tags.
150		 * @type {Object}
151		 * @protected
152		 */
153		this._states = {
154			current: {},
155			tags: {
156				'initializing': [ 'busy' ],
157				'animating': [ 'busy' ],
158				'dragging': [ 'interacting' ]
159			}
160		};
161
162		$.each([ 'onResize', 'onThrottledResize' ], $.proxy(function(i, handler) {
163			this._handlers[handler] = $.proxy(this[handler], this);
164		}, this));
165
166		$.each(Owl.Plugins, $.proxy(function(key, plugin) {
167			this._plugins[key.charAt(0).toLowerCase() + key.slice(1)]
168				= new plugin(this);
169		}, this));
170
171		$.each(Owl.Workers, $.proxy(function(priority, worker) {
172			this._pipe.push({
173				'filter': worker.filter,
174				'run': $.proxy(worker.run, this)
175			});
176		}, this));
177
178		this.setup();
179		this.initialize();
180	}
181
182	/**
183	 * Default options for the carousel.
184	 * @public
185	 */
186	Owl.Defaults = {
187		items: 3,
188		loop: false,
189		center: false,
190		rewind: false,
191
192		mouseDrag: true,
193		touchDrag: true,
194		pullDrag: true,
195		freeDrag: false,
196
197		margin: 0,
198		stagePadding: 0,
199
200		merge: false,
201		mergeFit: true,
202		autoWidth: false,
203
204		startPosition: 0,
205		rtl: false,
206
207		smartSpeed: 250,
208		fluidSpeed: false,
209		dragEndSpeed: false,
210
211		responsive: {},
212		responsiveRefreshRate: 200,
213		responsiveBaseElement: window,
214
215		fallbackEasing: 'swing',
216
217		info: false,
218
219		nestedItemSelector: false,
220		itemElement: 'div',
221		stageElement: 'div',
222
223		refreshClass: 'owl-refresh',
224		loadedClass: 'owl-loaded',
225		loadingClass: 'owl-loading',
226		rtlClass: 'owl-rtl',
227		responsiveClass: 'owl-responsive',
228		dragClass: 'owl-drag',
229		itemClass: 'owl-item',
230		stageClass: 'owl-stage',
231		stageOuterClass: 'owl-stage-outer',
232		grabClass: 'owl-grab'
233	};
234
235	/**
236	 * Enumeration for width.
237	 * @public
238	 * @readonly
239	 * @enum {String}
240	 */
241	Owl.Width = {
242		Default: 'default',
243		Inner: 'inner',
244		Outer: 'outer'
245	};
246
247	/**
248	 * Enumeration for types.
249	 * @public
250	 * @readonly
251	 * @enum {String}
252	 */
253	Owl.Type = {
254		Event: 'event',
255		State: 'state'
256	};
257
258	/**
259	 * Contains all registered plugins.
260	 * @public
261	 */
262	Owl.Plugins = {};
263
264	/**
265	 * List of workers involved in the update process.
266	 */
267	Owl.Workers = [ {
268		filter: [ 'width', 'settings' ],
269		run: function() {
270			this._width = this.$element.width();
271		}
272	}, {
273		filter: [ 'width', 'items', 'settings' ],
274		run: function(cache) {
275			cache.current = this._items && this._items[this.relative(this._current)];
276		}
277	}, {
278		filter: [ 'items', 'settings' ],
279		run: function() {
280			this.$stage.children('.cloned').remove();
281		}
282	}, {
283		filter: [ 'width', 'items', 'settings' ],
284		run: function(cache) {
285			var margin = this.settings.margin || '',
286				grid = !this.settings.autoWidth,
287				rtl = this.settings.rtl,
288				css = {
289					'width': 'auto',
290					'margin-left': rtl ? margin : '',
291					'margin-right': rtl ? '' : margin
292				};
293
294			!grid && this.$stage.children().css(css);
295
296			cache.css = css;
297		}
298	}, {
299		filter: [ 'width', 'items', 'settings' ],
300		run: function(cache) {
301			var width = (this.width() / this.settings.items).toFixed(3) - this.settings.margin,
302				merge = null,
303				iterator = this._items.length,
304				grid = !this.settings.autoWidth,
305				widths = [];
306
307			cache.items = {
308				merge: false,
309				width: width
310			};
311
312			while (iterator--) {
313				merge = this._mergers[iterator];
314				merge = this.settings.mergeFit && Math.min(merge, this.settings.items) || merge;
315
316				cache.items.merge = merge > 1 || cache.items.merge;
317
318				widths[iterator] = !grid ? this._items[iterator].width() : width * merge;
319			}
320
321			this._widths = widths;
322		}
323	}, {
324		filter: [ 'items', 'settings' ],
325		run: function() {
326			var clones = [],
327				items = this._items,
328				settings = this.settings,
329				view = Math.max(settings.items * 2, 4),
330				size = Math.ceil(items.length / 2) * 2,
331				repeat = settings.loop && items.length ? settings.rewind ? view : Math.max(view, size) : 0,
332				append = '',
333				prepend = '';
334
335			repeat /= 2;
336
337			while (repeat--) {
338				clones.push(this.normalize(clones.length / 2, true));
339				append = append + items[clones[clones.length - 1]][0].outerHTML;
340				clones.push(this.normalize(items.length - 1 - (clones.length - 1) / 2, true));
341				prepend = items[clones[clones.length - 1]][0].outerHTML + prepend;
342			}
343
344			this._clones = clones;
345
346			$(append).addClass('cloned').appendTo(this.$stage);
347			$(prepend).addClass('cloned').prependTo(this.$stage);
348		}
349	}, {
350		filter: [ 'width', 'items', 'settings' ],
351		run: function() {
352			var rtl = this.settings.rtl ? 1 : -1,
353				size = this._clones.length + this._items.length,
354				iterator = -1,
355				previous = 0,
356				current = 0,
357				coordinates = [];
358
359			while (++iterator < size) {
360				previous = coordinates[iterator - 1] || 0;
361				current = this._widths[this.relative(iterator)] + this.settings.margin;
362				coordinates.push(previous + current * rtl);
363			}
364
365			this._coordinates = coordinates;
366		}
367	}, {
368		filter: [ 'width', 'items', 'settings' ],
369		run: function() {
370			var padding = this.settings.stagePadding,
371				coordinates = this._coordinates,
372				css = {
373					'width': Math.ceil(Math.abs(coordinates[coordinates.length - 1])) + padding * 2,
374					'padding-left': padding || '',
375					'padding-right': padding || ''
376				};
377
378			this.$stage.css(css);
379		}
380	}, {
381		filter: [ 'width', 'items', 'settings' ],
382		run: function(cache) {
383			var iterator = this._coordinates.length,
384				grid = !this.settings.autoWidth,
385				items = this.$stage.children();
386
387			if (grid && cache.items.merge) {
388				while (iterator--) {
389					cache.css.width = this._widths[this.relative(iterator)];
390					items.eq(iterator).css(cache.css);
391				}
392			} else if (grid) {
393				cache.css.width = cache.items.width;
394				items.css(cache.css);
395			}
396		}
397	}, {
398		filter: [ 'items' ],
399		run: function() {
400			this._coordinates.length < 1 && this.$stage.removeAttr('style');
401		}
402	}, {
403		filter: [ 'width', 'items', 'settings' ],
404		run: function(cache) {
405			cache.current = cache.current ? this.$stage.children().index(cache.current) : 0;
406			cache.current = Math.max(this.minimum(), Math.min(this.maximum(), cache.current));
407			this.reset(cache.current);
408		}
409	}, {
410		filter: [ 'position' ],
411		run: function() {
412			this.animate(this.coordinates(this._current));
413		}
414	}, {
415		filter: [ 'width', 'position', 'items', 'settings' ],
416		run: function() {
417			var rtl = this.settings.rtl ? 1 : -1,
418				padding = this.settings.stagePadding * 2,
419				begin = this.coordinates(this.current()) + padding,
420				end = begin + this.width() * rtl,
421				inner, outer, matches = [], i, n;
422
423			for (i = 0, n = this._coordinates.length; i < n; i++) {
424				inner = this._coordinates[i - 1] || 0;
425				outer = Math.abs(this._coordinates[i]) + padding * rtl;
426
427				if ((this.op(inner, '<=', begin) && (this.op(inner, '>', end)))
428					|| (this.op(outer, '<', begin) && this.op(outer, '>', end))) {
429					matches.push(i);
430				}
431			}
432
433			this.$stage.children('.active').removeClass('active');
434			this.$stage.children(':eq(' + matches.join('), :eq(') + ')').addClass('active');
435
436			if (this.settings.center) {
437				this.$stage.children('.center').removeClass('center');
438				this.$stage.children().eq(this.current()).addClass('center');
439			}
440		}
441	} ];
442
443	/**
444	 * Initializes the carousel.
445	 * @protected
446	 */
447	Owl.prototype.initialize = function() {
448		this.enter('initializing');
449		this.trigger('initialize');
450
451		this.$element.toggleClass(this.settings.rtlClass, this.settings.rtl);
452
453		if (this.settings.autoWidth && !this.is('pre-loading')) {
454			var imgs, nestedSelector, width;
455			imgs = this.$element.find('img');
456			nestedSelector = this.settings.nestedItemSelector ? '.' + this.settings.nestedItemSelector : undefined;
457			width = this.$element.children(nestedSelector).width();
458
459			if (imgs.length && width <= 0) {
460				this.preloadAutoWidthImages(imgs);
461			}
462		}
463
464		this.$element.addClass(this.options.loadingClass);
465
466		// create stage
467		this.$stage = $('<' + this.settings.stageElement + ' class="' + this.settings.stageClass + '"/>')
468			.wrap('<div class="' + this.settings.stageOuterClass + '"/>');
469
470		// append stage
471		this.$element.append(this.$stage.parent());
472
473		// append content
474		this.replace(this.$element.children().not(this.$stage.parent()));
475
476		// check visibility
477		if (this.$element.is(':visible')) {
478			// update view
479			this.refresh();
480		} else {
481			// invalidate width
482			this.invalidate('width');
483		}
484
485		this.$element
486			.removeClass(this.options.loadingClass)
487			.addClass(this.options.loadedClass);
488
489		// register event handlers
490		this.registerEventHandlers();
491
492		this.leave('initializing');
493		this.trigger('initialized');
494	};
495
496	/**
497	 * Setups the current settings.
498	 * @todo Remove responsive classes. Why should adaptive designs be brought into IE8?
499	 * @todo Support for media queries by using `matchMedia` would be nice.
500	 * @public
501	 */
502	Owl.prototype.setup = function() {
503		var viewport = this.viewport(),

504			overwrites = this.options.responsive,
505			match = -1,
506			settings = null;
507
508		if (!overwrites) {
509			settings = $.extend({}, this.options);
510		} else {
511			$.each(overwrites, function(breakpoint) {
512				if (breakpoint <= viewport && breakpoint > match) {
513					match = Number(breakpoint);
514				}
515			});
516
517			settings = $.extend({}, this.options, overwrites[match]);
518			delete settings.responsive;
519
520			// responsive class
521			if (settings.responsiveClass) {
522				this.$element.attr('class',
523					this.$element.attr('class').replace(new RegExp('(' + this.options.responsiveClass + '-)\\S+\\s', 'g'), '$1' + match)
524				);
525			}
526		}
527
528		if (this.settings === null || this._breakpoint !== match) {
529			this.trigger('change', { property: { name: 'settings', value: settings } });
530			this._breakpoint = match;
531			this.settings = settings;
532			this.invalidate('settings');
533			this.trigger('changed', { property: { name: 'settings', value: this.settings } });
534		}

534
535	};
536
537	/**
538	 * Updates option logic if necessery.
539	 * @protected
540	 */
541	Owl.prototype.optionsLogic = function() {
542		if (this.settings.autoWidth) {
543			this.settings.stagePadding = false;
544			this.settings.merge = false;
545		}
546	};
547
548	/**
549	 * Prepares an item before add.
550	 * @todo Rename event parameter `content` to `item`.
551	 * @protected
552	 * @returns {jQuery|HTMLElement} - The item container.
553	 */
554	Owl.prototype.prepare = function(item) {
555		var event = this.trigger('prepare', { content: item });
556
557		if (!event.data) {
558			event.data = $('<' + this.settings.itemElement + '/>')
559				.addClass(this.options.itemClass).append(item)
560		}
561
562		this.trigger('prepared', { content: event.data });
563
564		return event.data;
565	};
566
567	/**
568	 * Updates the view.
569	 * @public
570	 */
571	Owl.prototype.update = function() {
572		var i = 0,
573			n = this._pipe.length,
574			filter = $.proxy(function(p) { return this[p] }, this._invalidated),
575			cache = {};
576
577		while (i < n) {
578			if (this._invalidated.all || $.grep(this._pipe[i].filter, filter).length > 0) {
579				this._pipe[i].run(cache);
580			}
581			i++;
582		}
583
584		this._invalidated = {};
585
586		!this.is('valid') && this.enter('valid');
587	};
588
589	/**
590	 * Gets the width of the view.
591	 * @public
592	 * @param {Owl.Width} [dimension=Owl.Width.Default] - The dimension to return.
593	 * @returns {Number} - The width of the view in pixel.
594	 */
595	Owl.prototype.width = function(dimension) {
596		dimension = dimension || Owl.Width.Default;
597		switch (dimension) {
598			case Owl.Width.Inner:
599			case Owl.Width.Outer:
600				return this._width;
601			default:
602				return this._width - this.settings.stagePadding * 2 + this.settings.margin;
603		}
604	};
605
606	/**
607	 * Refreshes the carousel primarily for adaptive purposes.
608	 * @public
609	 */
610	Owl.prototype.refresh = function() {
611		this.enter('refreshing');
612		this.trigger('refresh');
613
614		this.setup();
615
616		this.optionsLogic();
617
618		this.$element.addClass(this.options.refreshClass);
619
620		this.update();
621
622		this.$element.removeClass(this.options.refreshClass);
623
624		this.leave('refreshing');
625		this.trigger('refreshed');
626	};
627
628	/**
629	 * Checks window `resize` event.
630	 * @protected
631	 */
632	Owl.prototype.onThrottledResize = function() {
633		window.clearTimeout(this.resizeTimer);
634		this.resizeTimer = window.setTimeout(this._handlers.onResize, this.settings.responsiveRefreshRate);
635	};
636
637	/**
638	 * Checks window `resize` event.
639	 * @protected
640	 */
641	Owl.prototype.onResize = function() {
642		if (!this._items.length) {
643			return false;
644		}
645
646		if (this._width === this.$element.width()) {
647			return false;
648		}
649
650		if (!this.$element.is(':visible')) {
651			return false;
652		}
653
654		this.enter('resizing');
655
656		if (this.trigger('resize').isDefaultPrevented()) {
657			this.leave('resizing');
658			return false;
659		}
660
661		this.invalidate('width');
662
663		this.refresh();
664
665		this.leave('resizing');
666		this.trigger('resized');
667	};
668
669	/**
670	 * Registers event handlers.
671	 * @todo Check `msPointerEnabled`
672	 * @todo #261
673	 * @protected
674	 */
675	Owl.prototype.registerEventHandlers = function() {
676		if ($.support.transition) {
677			this.$stage.on($.support.transition.end + '.owl.core', $.proxy(this.onTransitionEnd, this));
678		}
679
680		if (this.settings.responsive !== false) {
681			this.on(window, 'resize', this._handlers.onThrottledResize);
682		}
683
684		if (this.settings.mouseDrag) {
685			this.$element.addClass(this.options.dragClass);
686			this.$stage.on('mousedown.owl.core', $.proxy(this.onDragStart, this));
687			this.$stage.on('dragstart.owl.core selectstart.owl.core', function() { return false });
688		}
689
690		if (this.settings.touchDrag){
691			this.$stage.on('touchstart.owl.core', $.proxy(this.onDragStart, this));
692			this.$stage.on('touchcancel.owl.core', $.proxy(this.onDragEnd, this));
693		}
694	};
695
696	/**
697	 * Handles `touchstart` and `mousedown` events.
698	 * @todo Horizontal swipe threshold as option
699	 * @todo #261
700	 * @protected
701	 * @param {Event} event - The event arguments.
702	 */
703	Owl.prototype.onDragStart = function(event) {
704		var stage = null;
705
706		if (event.which === 3) {
707			return;
708		}
709
710		if ($.support.transform) {
711			stage = this.$stage.css('transform').replace(/.*\(|\)| /g, '').split(',');
712			stage = {
713				x: stage[stage.length === 16 ? 12 : 4],
714				y: stage[stage.length === 16 ? 13 : 5]
715			};
716		} else {
717			stage = this.$stage.position();
718			stage = {
719				x: this.settings.rtl ?
720					stage.left + this.$stage.width() - this.width() + this.settings.margin :
721					stage.left,
722				y: stage.top
723			};
724		}
725
726		if (this.is('animating')) {
727			$.support.transform ? this.animate(stage.x) : this.$stage.stop()
728			this.invalidate('position');
729		}
730
731		this.$element.toggleClass(this.options.grabClass, event.type === 'mousedown');
732
733		this.speed(0);
734
735		this._drag.time = new Date().getTime();
736		this._drag.target = $(event.target);
737		this._drag.stage.start = stage;
738		this._drag.stage.current = stage;
739		this._drag.pointer = this.pointer(event);
740
741		$(document).on('mouseup.owl.core touchend.owl.core', $.proxy(this.onDragEnd, this));
742
743		$(document).one('mousemove.owl.core touchmove.owl.core', $.proxy(function(event) {
744			var delta = this.difference(this._drag.pointer, this.pointer(event));
745
746			$(document).on('mousemove.owl.core touchmove.owl.core', $.proxy(this.onDragMove, this));
747
748			if (Math.abs(delta.x) < Math.abs(delta.y) && this.is('valid')) {
749				return;
750			}
751
752			event.preventDefault();
753
754			this.enter('dragging');
755			this.trigger('drag');
756		}, this));
757	};
758
759	/**
760	 * Handles the `touchmove` and `mousemove` events.
761	 * @todo #261
762	 * @protected
763	 * @param {Event} event - The event arguments.
764	 */
765	Owl.prototype.onDragMove = function(event) {
766		var minimum = null,
767			maximum = null,
768			pull = null,
769			delta = this.difference(this._drag.pointer, this.pointer(event)),
770			stage = this.difference(this._drag.stage.start, delta);
771
772		if (!this.is('dragging')) {
773			return;
774		}
775
776		event.preventDefault();
777
778		if (this.settings.loop) {
779			minimum = this.coordinates(this.minimum());
780			maximum = this.coordinates(this.maximum() + 1) - minimum;
781			stage.x = (((stage.x - minimum) % maximum + maximum) % maximum) + minimum;
782		} else {
783			minimum = this.settings.rtl ? this.coordinates(this.maximum()) : this.coordinates(this.minimum());
784			maximum = this.settings.rtl ? this.coordinates(this.minimum()) : this.coordinates(this.maximum());
785			pull = this.settings.pullDrag ? -1 * delta.x / 5 : 0;
786			stage.x = Math.max(Math.min(stage.x, minimum + pull), maximum + pull);
787		}
788
789		this._drag.stage.current = stage;
790
791		this.animate(stage.x);
792	};
793
794	/**
795	 * Handles the `touchend` and `mouseup` events.
796	 * @todo #261
797	 * @todo Threshold for click event
798	 * @protected
799	 * @param {Event} event - The event arguments.
800	 */
801	Owl.prototype.onDragEnd = function(event) {
802		var delta = this.difference(this._drag.pointer, this.pointer(event)),
803			stage = this._drag.stage.current,
804			direction = delta.x > 0 ^ this.settings.rtl ? 'left' : 'right';
805
806		$(document).off('.owl.core');
807
808		this.$element.removeClass(this.options.grabClass);
809
810		if (delta.x !== 0 && this.is('dragging') || !this.is('valid')) {
811			this.speed(this.settings.dragEndSpeed || this.settings.smartSpeed);
812			this.current(this.closest(stage.x, delta.x !== 0 ? direction : this._drag.direction));
813			this.invalidate('position');
814			this.update();
815
816			this._drag.direction = direction;
817
818			if (Math.abs(delta.x) > 3 || new Date().getTime() - this._drag.time > 300) {
819				this._drag.target.one('click.owl.core', function() { return false; });
820			}
821		}
822
823		if (!this.is('dragging')) {
824			return;
825		}
826
827		this.leave('dragging');
828		this.trigger('dragged');
829	};
830
831	/**
832	 * Gets absolute position of the closest item for a coordinate.
833	 * @todo Setting `freeDrag` makes `closest` not reusable. See #165.
834	 * @protected
835	 * @param {Number} coordinate - The coordinate in pixel.
836	 * @param {String} direction - The direction to check for the closest item. Ether `left` or `right`.
837	 * @return {Number} - The absolute position of the closest item.
838	 */
839	Owl.prototype.closest = function(coordinate, direction) {
840		var position = -1,
841			pull = 30,
842			width = this.width(),
843			coordinates = this.coordinates();
844
845		if (!this.settings.freeDrag) {
846			// check closest item
847			$.each(coordinates, $.proxy(function(index, value) {
848				// on a left pull, check on current index
849				if (direction === 'left' && coordinate > value - pull && coordinate < value + pull) {
850					position = index;
851				// on a right pull, check on previous index
852				// to do so, subtract width from value and set position = index + 1
853				} else if (direction === 'right' && coordinate > value - width - pull && coordinate < value - width + pull) {
854					position = index + 1;
855				} else if (this.op(coordinate, '<', value)
856					&& this.op(coordinate, '>', coordinates[index + 1] || value - width)) {
857					position = direction === 'left' ? index + 1 : index;
858				}
859				return position === -1;
860			}, this));
861		}
862
863		if (!this.settings.loop) {
864			// non loop boundries
865			if (this.op(coordinate, '>', coordinates[this.minimum()])) {
866				position = coordinate = this.minimum();
867			} else if (this.op(coordinate, '<', coordinates[this.maximum()])) {
868				position = coordinate = this.maximum();
869			}
870		}
871
872		return position;
873	};
874
875	/**
876	 * Animates the stage.
877	 * @todo #270
878	 * @public
879	 * @param {Number} coordinate - The coordinate in pixels.
880	 */
881	Owl.prototype.animate = function(coordinate) {
882		var animate = this.speed() > 0;
883
884		this.is('animating') && this.onTransitionEnd();
885
886		if (animate) {
887			this.enter('animating');
888			this.trigger('translate');
889		}
890
891		if ($.support.transform3d && $.support.transition) {
892			this.$stage.css({
893				transform: 'translate3d(' + coordinate + 'px,0px,0px)',
894				transition: (this.speed() / 1000) + 's'
895			});
896		} else if (animate) {
897			this.$stage.animate({
898				left: coordinate + 'px'
899			}, this.speed(), this.settings.fallbackEasing, $.proxy(this.onTransitionEnd, this));
900		} else {
901			this.$stage.css({
902				left: coordinate + 'px'
903			});
904		}
905	};
906
907	/**
908	 * Checks whether the carousel is in a specific state or not.
909	 * @param {String} state - The state to check.
910	 * @returns {Boolean} - The flag which indicates if the carousel is busy.
911	 */
912	Owl.prototype.is = function(state) {
913		return this._states.current[state] && this._states.current[state] > 0;
914	};
915
916	/**
917	 * Sets the absolute position of the current item.
918	 * @public
919	 * @param {Number} [position] - The new absolute position or nothing to leave it unchanged.
920	 * @returns {Number} - The absolute position of the current item.
921	 */
922	Owl.prototype.current = function(position) {
923		if (position === undefined) {
924			return this._current;
925		}
926
927		if (this._items.length === 0) {
928			return undefined;
929		}
930
931		position = this.normalize(position);
932
933		if (this._current !== position) {
934			var event = this.trigger('change', { property: { name: 'position', value: position } });
935
936			if (event.data !== undefined) {
937				position = this.normalize(event.data);
938			}
939
940			this._current = position;
941
942			this.invalidate('position');
943
944			this.trigger('changed', { property: { name: 'position', value: this._current } });
945		}
946
947		return this._current;
948	};
949
950	/**
951	 * Invalidates the given part of the update routine.
952	 * @param {String} [part] - The part to invalidate.
953	 * @returns {Array.<String>} - The invalidated parts.
954	 */
955	Owl.prototype.invalidate = function(part) {
956		if ($.type(part) === 'string') {
957			this._invalidated[part] = true;
958			this.is('valid') && this.leave('valid');
959		}
960		return $.map(this._invalidated, function(v, i) { return i });
961	};
962
963	/**
964	 * Resets the absolute position of the current item.
965	 * @public
966	 * @param {Number} position - The absolute position of the new item.
967	 */
968	Owl.prototype.reset = function(position) {
969		position = this.normalize(position);
970
971		if (position === undefined) {
972			return;
973		}
974
975		this._speed = 0;
976		this._current = position;
977
978		this.suppress([ 'translate', 'translated' ]);
979
980		this.animate(this.coordinates(position));
981
982		this.release([ 'translate', 'translated' ]);
983	};
984
985	/**
986	 * Normalizes an absolute or a relative position of an item.
987	 * @public
988	 * @param {Number} position - The absolute or relative position to normalize.
989	 * @param {Boolean} [relative=false] - Whether the given position is relative or not.
990	 * @returns {Number} - The normalized position.
991	 */
992	Owl.prototype.normalize = function(position, relative) {
993		var n = this._items.length,
994			m = relative ? 0 : this._clones.length;
995
996		if (!this.isNumeric(position) || n < 1) {
997			position = undefined;
998		} else if (position < 0 || position >= n + m) {
999			position = ((position - m / 2) % n + n) % n + m / 2;
1000		}
1001
1002		return position;
1003	};
1004
1005	/**
1006	 * Converts an absolute position of an item into a relative one.
1007	 * @public
1008	 * @param {Number} position - The absolute position to convert.
1009	 * @returns {Number} - The converted position.
1010	 */
1011	Owl.prototype.relative = function(position) {
1012		position -= this._clones.length / 2;
1013		return this.normalize(position, true);
1014	};
1015
1016	/**
1017	 * Gets the maximum position for the current item.
1018	 * @public
1019	 * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position.
1020	 * @returns {Number}
1021	 */
1022	Owl.prototype.maximum = function(relative) {
1023		var settings = this.settings,
1024			maximum = this._coordinates.length,
1025			

1031			// binary search
1032			while (maximum - i > 1) {
1033				Math.abs(this._coordinates[j = maximum + i >> 1]) < boundary
1034					? i = j : maximum = j;
1035			}
1036		} else if (settings.center) {
1037			maximum = this._items.length - 1;
1038		} else {
1039			maximum = this._items.length - settings.items;
1040		}
1041
1042		if (relative) {
1043			maximum -= this._clones.length / 2;
1044		}
1045
1046		return Math.max(maximum, 0);
1047	};
1048
1049	/**
1050	 * Gets the minimum position for the current item.
1051	 * @public
1052	 * @param {Boolean} [relative=false] - Whether to return an absolute position or a relative position.
1053	 * @returns {Number}
1054	 */
1055	Owl.prototype.minimum = function(relative) {
1056		return relative ? 0 : this._clones.length / 2;
1057	};
1058
1059	/**
1060	 * Gets an item at the specified relative position.
1061	 * @public
1062	 * @param {Number} [position] - The relative position of the item.
1063	 * @return {jQuery|Array.<jQuery>} - The item at the given position or all items if no position was given.
1064	 */
1065	Owl.prototype.items = function(position) {
1066		if (position === undefined) {
1067			return this._items.slice();
1068		}
1069
1070		position = this.normalize(position, true);
1071		return this._items[position];
1072	};
1073
1074	/**
1075	 * Gets an item at the specified relative position.
1076	 * @public
1077	 * @param {Number} [position] - The relative position of the item.
1078	 * @return {jQuery|Array.<jQuery>} - The item at the given position or all items if no position was given.
1079	 */
1080	Owl.prototype.mergers = function(position) {
1081		if (position === undefined) {
1082			return this._mergers.slice();
1083		}
1084
1085		position = this.normalize(position, true);
1086		return this._mergers[position];
1087	};
1088
1089	/**
1090	 * Gets the absolute positions of clones for an item.
1091	 * @public
1092	 * @param {Number} [position] - The relative position of the item.
1093	 * @returns {Array.<Number>} - The absolute positions of clones for the item or all if no position was given.
1094	 */
1095	Owl.prototype.clones = function(position) {
1096		var odd = this._clones.length / 2,
1097			even = odd + this._items.length,
1098			map = function(index) { return index % 2 === 0 ? even + index / 2 : odd - (index + 1) / 2 };
1099
1100		if (position === undefined) {
1101			return $.map(this._clones, function(v, i) { return map(i) });
1102		}
1103
1104		return $.map(this._clones, function(v, i) { return v === position ? map(i) : null });
1105	};
1106
1107	/**
1108	 * Sets the current animation speed.
1109	 * @public
1110	 * @param {Number} [speed] - The animation speed in milliseconds or nothing to leave it unchanged.
1111	 * @returns {Number} - The current animation speed in milliseconds.
1112	 */
1113	Owl.prototype.speed = function(speed) {
1114		if (speed !== undefined) {
1115			this._speed = speed;
1116		}
1117
1118		return this._speed;
1119	};
1120
1121	/**
1122	 * Gets the coordinate of an item.
1123	 * @todo The name of this method is missleanding.
1124	 * @public
1125	 * @param {Number} position - The absolute position of the item within `minimum()` and `maximum()`.
1126	 * @returns {Number|Array.<Number>} - The coordinate of the item in pixel or all coordinates.
1127	 */
1128	Owl.prototype.coordinates = function(position) {
1129		var multiplier = 1,
1130			newPosition = position - 1,
1131			coordinate;
1132
1133		if (position === undefined) {
1134			return $.map(this._coordinates, $.proxy(function(coordinate, index) {
1135				return this.coordinates(index);
1136			}, this));
1137		}
1138
1139		if (this.settings.center) {
1140			if (this.settings.rtl) {
1141				multiplier = -1;
1142				newPosition = position + 1;
1143			}
1144
1145			coordinate = this._coordinates[position];
1146			coordinate += (this.width() - coordinate + (this._coordinates[newPosition] || 0)) / 2 * multiplier;
1147		} else {
1148			coordinate = this._coordinates[newPosition] || 0;
1149		}
1150
1151		coordinate = Math.ceil(coordinate);
1152
1153		return coordinate;
1154	};
1155
1156	/**
1157	 * Calculates the speed for a translation.
1158	 * @protected
1159	 * @param {Number} from - The absolute position of the start item.
1160	 * @param {Number} to - The absolute position of the target item.
1161	 * @param {Number} [factor=undefined] - The time factor in milliseconds.
1162	 * @returns {Number} - The time in milliseconds for the translation.
1163	 */
1164	Owl.prototype.duration = function(from, to, factor) {
1165		if (factor === 0) {
1166			return 0;
1167		}
1168
1169		return Math.min(Math.max(Math.abs(to - from), 1), 6) * Math.abs((factor || this.settings.smartSpeed));
1170	};
1171
1172	/**
1173	 * Slides to the specified item.
1174	 * @public
1175	 * @param {Number} position - The position of the item.
1176	 * @param {Number}

1176 [speed] - The time in milliseconds for the transition.
1177	 */
1178	Owl.prototype.to = function(position, speed) {
1179		var current = this.current(),
1180			revert = null,
1181			distance = position - this.relative(current),
1182			direction = (distance > 0) - (distance < 0),
1183			items = this._items.length,
1184			minimum = this.minimum(),
1185			maximum = this.maximum();
1186
1187		if (this.settings.loop) {
1188			if (!this.settings.rewind && Math.abs(distance) > items / 2) {
1189				distance += direction * -1 * items;
1190			}
1191
1192			position = current + distance;
1193			revert = ((position - minimum) % items + items) % items + minimum;
1194
1195			if (revert !== position && revert - distance <= maximum && revert - distance > 0) {
1196				current = revert - distance;
1197				position = revert;
1198				this.reset(current);
1199			}
1200		} else if (this.settings.rewind) {
1201			maximum += 1;
1202			position = (position % maximum + maximum) % maximum;
1203		} else {
1204			position = Math.max(minimum, Math.min(maximum, position));
1205		}
1206
1207		this.speed(this.duration(current, position, speed));
1208		this.current(position);
1209
1210		if (this.$element.is(':visible')) {
1211			this.update();
1212		}
1213	};
1214
1215	/**
1216	 * Slides to the next item.
1217	 * @public
1218	 * @param {Number} [speed] - The time in milliseconds for the transition.
1219	 */
1220	Owl.prototype.next = function(speed) {
1221		speed = speed || false;
1222		this.to(this.relative(this.current()) + 1, speed);
1223	};
1224
1225	/**
1226	 * Slides to the previous item.
1227	 * @public
1228	 * @param {Number} [speed] - The time in milliseconds for the transition.
1229	 */
1230	Owl.prototype.prev = function(speed) {
1231		speed = speed || false;
1232		this.to(this.relative(this.current()) - 1, speed);
1233	};
1234
1235	/**
1236	 * Handles the end of an animation.
1237	 * @protected
1238	 * @param {Event} event - The event arguments.
1239	 */
1240	Owl.prototype.onTransitionEnd = function(event) {
1241
1242		// if css2 animation then event object is undefined
1243		if (event !== undefined) {
1244			event.stopPropagation();
1245
1246			// Catch only owl-stage transitionEnd event
1247			if ((event.target || event.srcElement || event.originalTarget) !== this.$stage.get(0)) {
1248				return false;
1249			}
1250		}
1251
1252		this.leave('animating');
1253		this.trigger('translated');
1254	};
1255
1256	/**
1257	 * Gets viewport width.
1258	 * @protected
1259	 * @return {Number} - The width in pixel.
1260	 */
1261	Owl.prototype.viewport = function() {
1262		var width;
1263		if (this.options.responsiveBaseElement !== window) {
1264			width = $(this.options.responsiveBaseElement).width();
1265		} else if (window.innerWidth) {
1266			width = window.innerWidth;
1267		} else if (document.documentElement && document.documentElement.clientWidth) {
1268			width = document.documentElement.clientWidth;
1269		} else {
1270			throw 'Can not detect viewport width.';
1271		}
1272		return width;
1273	};
1274
1275	/**
1276	 * Replaces the current content.
1277	 * @public
1278	 * @param {HTMLElement|jQuery|String} content - The new content.
1279	 */
1280	Owl.prototype.replace = function(content) {
1281		this.$stage.empty();
1282		this._items = [];
1283
1284		if (content) {
1285			content = (content instanceof jQuery) ? content : $(content);
1286		}
1287
1288		if (this.settings.nestedItemSelector) {
1289			content = content.find('.' + this.settings.nestedItemSelector);
1290		}
1291
1292		content.filter(function() {
1293			return this.nodeType === 1;
1294		}).each($.proxy(function(index, item) {
1295			item = this.prepare(item);
1296			this.$stage.append(item);
1297			this._items.push(item);
1298			this._mergers.push(item.find('[data-merge]').andSelf('[data-merge]').attr('data-merge') * 1 || 1);
1299		}, this));
1300
1301		this.reset(this.isNumeric(this.settings.startPosition) ? this.settings.startPosition : 0);
1302
1303		this.invalidate('items');
1304	};
1305
1306	/**
1307	 * Adds an item.
1308	 * @todo Use `item` instead of `content` for the event arguments.
1309	 * @public
1310	 * @param {HTMLElement|jQuery|String} content - The item content to add.
1311	 * @param {Number} [position] - The relative position at which to insert the item otherwise the item will be added to the end.
1312	 */
1313	Owl.prototype.add = function(content, position) {
1314		var current = this.relative(this._current);
1315
1316		position = position === undefined ? this._items.length : this.normalize(position, true);
1317		content = content instanceof jQuery ? content : $(content);
1318
1319		this.trigger('add', { content: content, position: position });
1320
1321		content = this.prepare(content);
1322
1323		if (this._items.length === 0 || position === this._items.length) {
1324			this._items.length === 0 && this.$stage.append(content);
1325			this._items.length !== 0 && this._items[position - 1].after(content);
1326			this._items.push(content);
1327			this._mergers.push(content.find('[data-merge]').andSelf('[data-merge]').attr('data-merge') * 1 || 1);
1328		} else {
1329			this._items[position].before(content);
1330			this._items.splice(position, 0, content);
1331			this._mergers.splice(position, 0, content.find('[data-merge]').andSelf('[data-merge]').attr('data-merge') * 1 || 1);
1332		}
1333
1334		this._items[current] && this.reset(this._items[current].index());
1335
1336		this.invalidate('items');
1337
1338		this.trigger('added', { content: content, position: position });
1339	};
1340
1341	/**
1342	 * Removes an item by its position.
1343	 * @todo Use `item` instead of `content` for the event arguments.
1344	 * @public
1345	 * @param {Number} position - The relative position of the item to remove.
1346	 */
1347	Owl.prototype.remove = function(position) {
1348		position = this.normalize(position, true);
1349
1350		if (position === undefined) {
1351			return;
1352		}
1353
1354		this.trigger('remove', { content: this._items[position], position: position });
1355
1356		this._items[position].remove();
1357		this._items.splice(position, 1);
1358		this._mergers.splice(position, 1);
1359
1360		this.invalidate('items');
1361
1362		this.trigger('removed', { content: null, position: position });
1363	};
1364
1365	/**
1366	 * Preloads images with auto width.
1367	 * @todo Replace by a more generic approach
1368	 * @protected
1369	 */
1370	Owl.prototype.preloadAutoWidthImages = function(images) {
1371		images.each($.proxy(function(i, element) {
1372			this.enter('pre-loading');
1373			element = $(element);
1374			$(new Image()).one('load', $.proxy(function(e) {
1375				element.attr('src', e.target.src);
1376				element.css('opacity', 1);
1377				this.leave('pre-loading');
1378				!this.is('pre-loading') && !this.is('initializing') && this.refresh();
1379			}, this)).attr('src', element.attr('src') || element.attr('data-src') || element.attr('data-src-retina'));
1380		}, this));
1381	};
1382
1383	/**
1384	 * Destroys the carousel.
1385	 * @public
1386	 */
1387	Owl.prototype.destroy = function() {
1388
1389		this.$element.off('.owl.core');
1390		this.$stage.off('.owl.core');
1391		$(document).off('.owl.core');
1392
1393		if (this.settings.responsive !== false) {
1394			window.clearTimeout(this.resizeTimer);
1395			this.off(window, 'resize', this._handlers.onThrottledResize);
1396		}
1397
1398		for (var i in this._plugins) {
1399			this._plugins[i].destroy();
1400		}
1401
1402		this.$stage.children('.cloned').remove();
1403
1404		this.$stage.unwrap();
1405		this.$stage.children().contents().unwrap();
1406		this.$stage.children().unwrap();
1407
1408		this.$element
1409			.removeClass(this.options.refreshClass)
1410			.removeClass(this.options.loadingClass)
1411			.removeClass(this.options.loadedClass)
1412			.removeClass(this.options.rtlClass)
1413			.removeClass(this.options.dragClass)
1414			.removeClass(this.options.grabClass)
1415			.attr('class', this.$element.attr('class').replace(new RegExp(this.options.responsiveClass + '-\\S+\\s', 'g'), ''))
1416			.removeData('owl.carousel');
1417	};
1418
1419	/**
1420	 * Operators to calculate right-to-left and left-to-right.
1421	 * @protected
1422	 * @param {Number} [a] - The left side operand.
1423	 * @param {String} [o] - The operator.
1424	 * @param {Number} [b] - The right side operand.
1425	 */
1426	Owl.prototype.op = function(a, o, b) {
1427		var rtl = this.settings.rtl;
1428		switch (o) {
1429			case '<':
1430				return rtl ? a > b : a < b;
1431			case '>':
1432				return rtl ? a < b : a > b;
1433			case '>=':
1434				return rtl ? a <= b : a >= b;
1435			case '<=':
1436				return rtl ? a >= b : a <= b;
1437			default:
1438				break;
1439		}
1440	};
1441
1442	/**
1443	 * Attaches to an internal event.
1444	 * @protected
1445	 * @param {HTMLElement} element - The event source.
1446	 * @param {String} event - The event name.
1447	 * @param {Function} listener - The event handler to attach.
1448	 * @param {Boolean} capture - Wether the event should be handled at the capturing phase or not.
1449	 */
1450	Owl.prototype.on = function(element, event, listener, capture) {
1451		if (element.addEventListener) {
1452			element.addEventListener(event, listener, capture);
1453		} else if (element.attachEvent) {
1454			element.attachEvent('on' + event, listener);
1455		}
1456	};
1457
1458	/**
1459	 * Detaches from an internal event.
1460	 * @protected
1461	 * @param {HTMLElement} element - The event source.
1462	 * @param {String} event - The event name.
1463	 * @param {Function} listener - The attached event handler to detach.
1464	 * @param {Boolean} capture - Wether the attached event handler was registered as a capturing listener or not.
1465	 */
1466	Owl.prototype.off = function(element, event, listener, capture) {
1467		if (element.removeEventListener) {
1468			element.removeEventListener(event, listener, capture);
1469		} else if (element.detachEvent) {
1470			element.detachEvent('on' + event, listener);
1471		}
1472	};
1473
1474	/**
1475	 * Triggers a public event.
1476	 * @todo Remove `status`, `relatedTarget` should be used instead.
1477	 * @protected
1478	 * @param {String} name - The event name.
1479	 * @param {*} [data=null] - The event data.
1480	 * @param {String} [namespace=carousel] - The event namespace.
1481	 * @param {String} [state] - The state which is associated with the event.
1482	 * @param {Boolean} [enter=false] - Indicates if the call enters the specified state or not.
1483	 * @returns {Event} - The event arguments.
1484	 */
1485	Owl.prototype.trigger = function(name, data, namespace, state, enter) {
1486		var status = {
1487			item: { count: this._items.length, index: this.current() }
1488		}, handler = $.camelCase(
1489			$.grep([ 'on', name, namespace ], function(v) { return v })
1490				.join('-').toLowerCase()
1491		), event = $.Event(
1492			[ name, 'owl', namespace || 'carousel' ].join('.').toLowerCase(),
1493			$.extend({ relatedTarget: this }, status, data)
1494		);
1495
1496		if (!this._supress[name]) {
1497			$.each(this._plugins, function(name, plugin) {
1498				if (plugin.onTrigger) {
1499					plugin.onTrigger(event);
1500				}
1501			});
1502
1503			this.register({ type: Owl.Type.Event, name: name });
1504			this.$element.trigger(event);
1505
1506			if (this.settings && typeof this.settings[handler] === 'function') {
1507				this.settings[handler].call(this, event);
1508			}
1509		}
1510
1511		return event;
1512	};
1513
1514	/**
1515	 * Enters a state.
1516	 * @param name - The state name.
1517	 */
1518	Owl.prototype.enter = function(name) {
1519		$.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) {
1520			if (this._states.current[name] === undefined) {
1521				this._states.current[name] = 0;
1522			}
1523
1524			this._states.current[name]++;
1525		}, this));
1526	};
1527
1528	/**
1529	 * Leaves a state.
1530	 * @param name - The state name.
1531	 */
1532	Owl.prototype.leave = function(name) {
1533		$.each([ name ].concat(this._states.tags[name] || []), $.proxy(function(i, name) {
1534			this._states.current[name]--;
1535		}, this));
1536	};
1537
1538	/**
1539	 * Registers an event or state.
1540	 * @public
1541	 * @param {Object} object - The event or state to register.
1542	 */
1543	Owl.prototype.register = function(object) {
1544		if (object.type === Owl.Type.Event) {
1545			if (!$.event.special[object.name]) {
1546				$.event.special[object.name] = {};
1547			}
1548
1549			if (!$.event.special[object.name].owl) {
1550				var _default = $.event.special[object.name]._default;
1551				$.event.special[object.name]._default = function(e) {
1552					if (_default && _default.apply && (!e.namespace || e.namespace.indexOf('owl') === -1)) {
1553						return _default.apply(this, arguments);
1554					}
1555					return e.namespace && e.namespace.indexOf('owl') > -1;
1556				};
1557				$.event.special[object.name].owl = true;
1558			}
1559		} else if (object.type === Owl.Type.State) {
1560			if (!this._states.tags[object.name]) {
1561				this._states.tags[object.name] = object.tags;
1562			} else {
1563				this._states.tags[object.name] = this._states.tags[object.name].concat(object.tags);
1564			}
1565
1566			this._states.tags[object.name] = $.grep(this._states.tags[object.name], $.proxy(function(tag, i) {
1567				return $.inArray(tag, this._states.tags[object.name]) === i;
1568			}, this));
1569		}
1570	};
1571
1572	/**
1573	 * Suppresses events.
1574	 * @protected
1575	 * @param {Array.<String>} events - The events to suppress.
1576	 */
1577	Owl.prototype.suppress = function(events) {
1578		$.each(events, $.proxy(function(index, event) {
1579			this._supress[event] = true;
1580		}, this));
1581	};
1582
1583	/**
1584	 * Releases suppressed events.
1585	 * @protected
1586	 * @param {Array.<String>} events - The events to release.
1587	 */
1588	Owl.prototype.release = function(events) {
1589		$.each(events, $.proxy(function(index, event) {
1590			delete this._supress[event];
1591		}, this));
1592	};
1593
1594	/**
1595	 * Gets unified pointer coordinates from event.
1596	 * @todo #261
1597	 * @protected
1598	 * @param {Event} - The `mousedown` or `touchstart` event.
1599	 * @returns {Object} - Contains `x` and `y` coordinates of current pointer position.
1600	 */
1601	Owl.prototype.pointer = function(event) {
1602		var result = { x: null, y: null };
1603
1604		event = event.originalEvent || event || window.event;
1605
1606		event = event.touches && event.touches.length ?
1607			event.touches[0] : event.changedTouches && event.changedTouches.length ?
1608				event.changedTouches[0] : event;
1609
1610		if (event.pageX) {
1611			result.x = event.pageX;
1612			result.y = event.pageY;
1613		} else {
1614			result.x = event.clientX;
1615			result.y = event.clientY;
1616		}
1617
1618		return result;
1619	};
1620
1621	/**
1622	 * Determines if the input is a Number or something that can be coerced to a Number
1623	 * @protected
1624	 * @param {Number|String|Object|Array|Boolean|RegExp|Function|Symbol} - The input to be tested
1625	 * @returns {Boolean} - An indication if the input is a Number or can be coerced to a Number
1626	 */
1627	Owl.prototype.isNumeric = function(number) {
1628		return !isNaN(parseFloat(number));
1629	};
1630
1631	/**
1632	 * Gets the difference of two vectors.
1633	 * @todo #261
1634	 * @protected
1635	 * @param {Object} - The first vector.
1636	 * @param {Object} - The second vector.
1637	 * @returns {Object} - The difference.
1638	 */
1639	Owl.prototype.difference = function(first, second) {
1640		return {
1641			x: first.x - second.x,
1642			y: first.y - second.y
1643		};
1644	};
1645
1646	/**
1647	 * The jQuery Plugin for the Owl Carousel
1648	 * @todo Navigation plugin `next` and `prev`
1649	 * @public
1650	 */
1651	$.fn.owlCarousel = function(option) {
1652		var args = Array.prototype.slice.call(arguments, 1);
1653
1654		return this.each(function() {
1655			var $this = $(this),
1656				data = $this.data('owl.carousel');
1657
1658			if (!data) {
1659				data = new Owl(this, typeof option == 'object' && option);
1660				$this.data('owl.carousel', data);
1661
1662				$.each([
1663					'next', 'prev', 'to', 'destroy', 'refresh', 'replace', 'add', 'remove'
1664				], function(i, event) {
1665					data.register({ type: Owl.Type.Event, name: event });
1666					data.$element.on(event + '.owl.carousel.core', $.proxy(function(e) {
1667						if (e.namespace && e.relatedTarget !== this) {
1668							this.suppress([ event ]);
1669							data[event].apply(this, [].slice.call(arguments, 1));
1670							this.release([ event ]);
1671						}
1672					}, data));
1673				});
1674			}
1675
1676			if (typeof option == 'string' && option.charAt(0) !== '_') {
1677				data[option].apply(data, args);
1678			}
1679		});
1680	};
1681
1682	/**
1683	 * The constructor for the jQuery Plugin
1684	 * @public
1685	 */
1686	$.fn.owlCarousel.Constructor = Owl;
1687
1688})(window.Zepto || window.jQuery, window, document);
1689
1690/**
1691 * AutoRefresh Plugin
1692 * @version 2.1.0
1693 * @author Artus Kolanowski
1694 * @author David Deutsch
1695 * @license The MIT License (MIT)
1696 */
1697;(function($, window, document, undefined) {
1698
1699	/**
1700	 * Creates the auto refresh plugin.
1701	 * @class The Auto Refresh Plugin
1702	 * @param {Owl} carousel - The Owl Carousel
1703	 */
1704	var AutoRefresh = function(carousel) {
1705		/**
1706		 * Reference to the core.
1707		 * @protected
1708		 * @type {Owl}
1709		 */
1710		this._core = carousel;
1711
1712		/**
1713		 * Refresh interval.
1714		 * @protected
1715		 * @type {number}
1716		 */
1717		this._interval = null;
1718
1719		/**
1720		 * Whether the element is currently visible or not.
1721		 * @protected
1722		 * @type {Boolean}
1723		 */
1724		this._visible = null;
1725
1726		/**
1727		 * All event handlers.
1728		 * @protected
1729		 * @type {Object}
1730		 */
1731		this._handlers = {
1732			'initialized.owl.carousel': $.proxy(function(e) {
1733				if (e.namespace && this._core.settings.autoRefresh) {
1734					this.watch();
1735				}
1736			}, this)
1737		};
1738
1739		// set default options
1740		this._core.options = $.extend({}, AutoRefresh.Defaults, this._core.options);
1741
1742		// register event handlers
1743		this._core.$element.on(this._handlers);
1744	};
1745
1746	/**
1747	 * Default options.
1748	 * @public
1749	 */
1750	AutoRefresh.Defaults = {
1751		autoRefresh: true,
1752		autoRefreshInterval: 500
1753	};
1754
1755	/**
1756	 * Watches the element.
1757	 */
1758	AutoRefresh.prototype.watch = function() {
1759		if (this._interval) {
1760			return;
1761		}
1762
1763		this._visible = this._core.$element.is(':visible');
1764		this._interval = window.setInterval($.proxy(this.refresh, this), this._core.settings.autoRefreshInterval);
1765	};
1766
1767	/**
1768	 * Refreshes the element.
1769	 */
1770	AutoRefresh.prototype.refresh = function() {
1771		if (this._core.$element.is(':visible') === this._visible) {
1772			return;
1773		}
1774
1775		this._visible = !this._visible;
1776
1777		this._core.$element.toggleClass('owl-hidden', !this._visible);
1778
1779		this._visible && (this._core.invalidate('width') && this._core.refresh());
1780	};
1781
1782	/**
1783	 * Destroys the plugin.
1784	 */
1785	AutoRefresh.prototype.destroy = function() {
1786		var handler, property;
1787
1788		window.clearInterval(this._interval);
1789
1790		for (handler in this._handlers) {
1791			this._core.$element.off(handler, this._handlers[handler]);
1792		}
1793		for (property in Object.getOwnPropertyNames(this)) {
1794			typeof this[property] != 'function' && (this[property] = null);
1795		}
1796	};
1797
1798	$.fn.owlCarousel.Constructor.Plugins.AutoRefresh = AutoRefresh;
1799
1800})(window.Zepto || window.jQuery, window, document);
1801
1802/**
1803 * Lazy Plugin
1804 * @version 2.1.0
1805 * @author Bartosz Wojciechowski
1806 * @author David Deutsch
1807 * @license The MIT License (MIT)
1808 */
1809;(function($, window, document, undefined) {
1810
1811	/**
1812	 * Creates the lazy plugin.
1813	 * @class The Lazy Plugin
1814	 * @param {Owl} carousel - The Owl Carousel
1815	 */
1816	var Lazy = function(carousel) {
1817
1818		/**
1819		 * Reference to the core.
1820		 * @protected
1821		 * @type {Owl}
1822		 */
1823		this._core = carousel;
1824
1825		/**
1826		 * Already loaded items.
1827		 * @protected
1828		 * @type {Array.<jQuery>}
1829		 */
1830		this._loaded = [];
1831
1832		/**
1833		 * Event handlers.
1834		 * @protected
1835		 * @type {Object}
1836		 */
1837		this._handlers = {
1838			'initialized.owl.carousel change.owl.carousel resized.owl.carousel': $.proxy(function(e) {
1839				if (!e.namespace) {
1840					return;
1841				}
1842
1843				if (!this._core.settings || !this._core.settings.lazyLoad) {
1844					return;
1845				}
1846
1847				if ((e.property && e.property.name == 'position') || e.type == 'initialized') {
1848					var settings = this._core.settings,
1849						n = (settings.center && Math.ceil(settings.items / 2) || settings.items),
1850						i = ((settings.center && n * -1) || 0),
1851						position = (e.property && e.property.value !== undefined ? e.property.value : this._core.current()) + i,
1852						clones = this._core.clones().length,
1853						load = $.proxy(function(i, v) { this.load(v) }, this);
1854
1855					while (i++ < n) {
1856						this.load(clones / 2 + this._core.relative(position));
1857						clones && $.each(this._core.clones(this._core.relative(position)), load);
1858						position++;
1859					}
1860				}
1861			}, this)
1862		};
1863
1864		// set the default options
1865		this._core.options = $.extend({}, Lazy.Defaults, this._core.options);
1866
1867		// register event handler
1868		this._core.$element.on(this._handlers);
1869	};
1870
1871	/**
1872	 * Default options.
1873	 * @public
1874	 */
1875	Lazy.Defaults = {
1876		lazyLoad: false
1877	};
1878
1879	/**
1880	 * Loads all resources of an item at the specified position.
1881	 * @param {Number} position - The absolute position of the item.
1882	 * @protected
1883	 */
1884	Lazy.prototype.load = function(position) {
1885		var $item = this._core.$stage.children().eq(position),
1886			$elements = $item && $item.find('.owl-lazy');
1887
1888		if (!$elements || $.inArray($item.get(0), this._loaded) > -1) {
1889			return;
1890		}
1891
1892		$elements.each($.proxy(function(index, element) {
1893			var $element = $(element), image,
1894				url = (window.devicePixelRatio > 1 && $element.attr('data-src-retina')) || $element.attr('data-src');
1895
1896			this._core.trigger('load', { element: $element, url: url }, 'lazy');
1897
1898			if ($element.is('img')) {
1899				$element.one('load.owl.lazy', $.proxy(function() {
1900					$element.css('opacity', 1);
1901					this._core.trigger('loaded', { element: $element, url: url }, 'lazy');
1902				}, this)).attr('src', url);
1903			} else {
1904				image = new Image();
1905				image.onload = $.proxy(function() {
1906					$element.css({
1907						'background-image': 'url(' + url + ')',
1908						'opacity': '1'
1909					});
1910					this._core.trigger('loaded', { element: $element, url: url }, 'lazy');
1911				}, this);
1912				image.src = url;
1913			}
1914		}, this));
1915
1916		this._loaded.push($item.get(0));
1917	};
1918
1919	/**
1920	 * Destroys the plugin.
1921	 * @public
1922	 */
1923	Lazy.prototype.destroy = function() {
1924		var handler, property;
1925
1926		for (handler in this.handlers) {
1927			this._core.$element.off(handler, this.handlers[handler]);
1928		}
1929		for (property in Object.getOwnPropertyNames(this)) {
1930			typeof this[property] != 'function' && (this[property] = null);
1931		}
1932	};
1933
1934	$.fn.owlCarousel.Constructor.Plugins.Lazy = Lazy;
1935
1936})(window.Zepto || window.jQuery, window, document);
1937
1938/**
1939 * AutoHeight Plugin
1940 * @version 2.1.0
1941 * @author Bartosz Wojciechowski
1942 * @author David Deutsch
1943 * @license The MIT License (MIT)
1944 */
1945;(function($, window, document, undefined) {
1946
1947	/**
1948	 * Creates the auto height plugin.
1949	 * @class The Auto Height Plugin
1950	 * @param {Owl} carousel - The Owl Carousel
1951	 */
1952	var AutoHeight = function(carousel) {
1953		/**
1954		 * Reference to the core.
1955		 * @protected
1956		 * @type {Owl}
1957		 */
1958		this._core = carousel;
1959
1960		/**
1961		 * All event handlers.
1962		 * @protected
1963		 * @type {Object}
1964		 */
1965		this._handlers = {
1966			'initialized.owl.carousel refreshed.owl.carousel': $.proxy(function(e) {
1967				if (e.namespace && this._core.settings.autoHeight) {
1968					this.update();
1969				}
1970			}, this),
1971			'changed.owl.carousel': $.proxy(function(e) {
1972				if (e.namespace && this._core.settings.autoHeight && e.property.name == 'position'){
1973					this.update();
1974				}
1975			}, this),
1976			'loaded.owl.lazy': $.proxy(function(e) {
1977				if (e.namespace && this._core.settings.autoHeight
1978					&& e.element.closest('.' + this._core.settings.itemClass).index() === this._core.current()) {
1979					this.update();
1980				}
1981			}, this)
1982		};
1983
1984		// set default options
1985		this._core.options = $.extend({}, AutoHeight.Defaults, this._core.options);
1986
1987		// register event handlers
1988		this._core.$element.on(this._handlers);
1989	};
1990
1991	/**
1992	 * Default options.
1993	 * @public
1994	 */
1995	AutoHeight.Defaults = {
1996		autoHeight: false,
1997		autoHeightClass: 'owl-height'
1998	};
1999
2000	/**
2001	 * Updates the view.
2002	 */
2003	AutoHeight.prototype.update = function() {
2004		var start = this._core._current,
2005			end = start + this._core.settings.items,
2006			visible = this._core.$stage.children().toArray().slice(start, end),
2007			heights = [],
2008			maxheight = 0;
2009
2010		$.each(visible, function(index, item) {
2011			heights.push($(item).height());
2012		});
2013
2014		maxheight = Math.max.apply(null, heights);
2015
2016		this._core.$stage.parent()
2017			.height(maxheight)
2018			.addClass(this._core.settings.autoHeightClass);
2019	};
2020
2021	AutoHeight.prototype.destroy = function() {
2022		var handler, property;
2023
2024		for (handler in this._handlers) {
2025			this._core.$element.off(handler, this._handlers[handler]);
2026		}
2027		for (property in Object.getOwnPropertyNames(this)) {
2028			typeof this[property] != 'function' && (this[property] = null);
2029		}
2030	};
2031
2032	$.fn.owlCarousel.Constructor.Plugins.AutoHeight = AutoHeight;
2033
2034})(window.Zepto || window.jQuery, window, document);
2035
2036/**
2037 * Video Plugin
2038 * @version 2.1.0
2039 * @author Bartosz Wojciechowski
2040 * @author David Deutsch
2041 * @license The MIT License (MIT)
2042 */
2043;(function($, window, document, undefined) {
2044
2045	/**
2046	 * Creates the video plugin.
2047	 * @class The Video Plugin
2048	 * @param {Owl} carousel - The Owl Carousel
2049	 */
2050	var Video = function(carousel) {
2051		/**
2052		 * Reference to the core.
2053		 * @protected
2054		 * @type {Owl}
2055		 */
2056		this._core = carousel;
2057
2058		/**
2059		 * Cache all video URLs.
2060		 * @protected
2061		 * @type {Object}
2062		 */
2063		this._videos = {};
2064
2065		/**
2066		 * Current playing item.
2067		 * @protected
2068		 * @type {jQuery}
2069		 */
2070		this._playing = null;
2071
2072		/**
2073		 * All event handlers.
2074		 * @todo The cloned content removale is too late
2075		 * @protected
2076		 * @type {Object}
2077		 */
2078		this._handlers = {
2079			'initialized.owl.carousel': $.proxy(function(e) {
2080				if (e.namespace) {
2081					this._core.register({ type: 'state', name: 'playing', tags: [ 'interacting' ] });
2082				}
2083			}, this),
2084			'resize.owl.carousel': $.proxy(function(e) {
2085				if (e.namespace && this._core.settings.video && this.isInFullScreen()) {
2086					e.preventDefault();
2087				}
2088			}, this),
2089			'refreshed.owl.carousel': $.proxy(function(e) {
2090				if (e.namespace && this._core.is('resizing')) {
2091					this._core.$stage.find('.cloned .owl-video-frame').remove();
2092				}
2093			}, this),
2094			'changed.owl.carousel': $.proxy(function(e) {
2095				if (e.namespace && e.property.name === 'position' && this._playing) {
2096					this.stop();
2097				}
2098			}, this),
2099			'prepared.owl.carousel': $.proxy(function(e) {
2100				if (!e.namespace) {
2101					return;
2102				}
2103
2104				var $element = $(e.content).find('.owl-video');
2105
2106				if ($element.length) {
2107					$element.css('display', 'none');
2108					this.fetch($element, $(e.content));
2109				}
2110			}, this)
2111		};
2112
2113		// set default options
2114		this._core.options = $.extend({}, Video.Defaults, this._core.options);
2115
2116		// register event handlers
2117		this._core.$element.on(this._handlers);
2118
2119		this._core.$element.on('click.owl.video', '.owl-video-play-icon', $.proxy(function(e) {
2120			this.play(e);
2121		}, this));
2122	};
2123
2124	/**
2125	 * Default options.
2126	 * @public
2127	 */
2128	Video.Defaults = {
2129		video: false,
2130		videoHeight: false,
2131		videoWidth: false
2132	};
2133
2134	/**
2135	 * Gets the video ID and the type (YouTube/Vimeo/vzaar only).
2136	 * @protected
2137	 * @param {jQuery} target - The target containing the video data.
2138	 * @param {jQuery} item - The item containing the video.
2139	 */
2140	Video.prototype.fetch = function(target, item) {
2141			var type = (function() {
2142					if (target.attr('data-vimeo-id')) {
2143						return 'vimeo';
2144					} else if (target.attr('data-vzaar-id')) {
2145						return 'vzaar'
2146					} else {
2147						return 'youtube';
2148					}
2149				})(),
2150				id = target.attr('data-vimeo-id') || target.attr('data-youtube-id') || target.attr('data-vzaar-id'),
2151				width = target.attr('data-width') || this._core.settings.videoWidth,
2152				height = target.attr('data-height') || this._core.settings.videoHeight,
2153				url = target.attr('href');
2154
2155		if (url) {
2156
2157			/*
2158					Parses the id's out of the following urls (and probably more):
2159					https://www.youtube.com/watch?v=:id
2160					https://youtu.be/:id
2161					https://vimeo.com/:id
2162					https://vimeo.com/channels/:channel/:id
2163					https://vimeo.com/groups/:group/videos/:id
2164					https://app.vzaar.com/videos/:id
2165
2166					Visual example: http://regexper.com/#(http%3A%7Chttps%3A%7C)%5C%2F%5C%2F(player.%7Cwww.%7Capp.)%3F(vimeo%5C.com%7Cyoutu(be%5C.com%7C%5C.be%7Cbe%5C.googleapis%5C.com)%7Cvzaar%5C.com)%5C%2F(video%5C%2F%7Cvideos%5C%2F%7Cembed%5C%2F%7Cchannels%5C%2F.%2B%5C%2F%7Cgroups%5C%2F.%2B%5C%2F%7Cwatch%5C%3Fv%3D%7Cv%5C%2F)%3F(%5BA-Za-z0-9._%25-%5D*)(%5C%26%5CS%2B)%3F
2167			*/
2168
2169			id = url.match(/(http:|https:|)\/\/(player.|www.|app.)?(vimeo\.com|youtu(be\.com|\.be|be\.googleapis\.com)|vzaar\.com)\/(video\/|videos\/|embed\/|channels\/.+\/|groups\/.+\/|watch\?v=|v\/)?([A-Za-z0-9._%-]*)(\&\S+)?/);
2170
2171			if (id[3].indexOf('youtu') > -1) {
2172				type = 'youtube';
2173			} else if (id[3].indexOf('vimeo') > -1) {
2174				type = 'vimeo';
2175			} else if (id[3].indexOf('vzaar') > -1) {
2176				type = 'vzaar';
2177			} else {
2178				throw new Error('Video URL not supported.');
2179			}
2180			id = id[6];
2181		} else {
2182			throw new Error('Missing video URL.');
2183		}
2184
2185		this._videos[url] = {
2186			type: type,
2187			id: id,
2188			width: width,
2189			height: height
2190		};
2191
2192		item.attr('data-video', url);
2193
2194		this.thumbnail(target, this._videos[url]);
2195	};
2196
2197	/**
2198	 * Creates video thumbnail.
2199	 * @protected
2200	 * @param {jQuery} target - The target containing the video data.
2201	 * @param {Object} info - The video info object.
2202	 * @see `fetch`
2203	 */
2204	Video.prototype.thumbnail = function(target, video) {
2205		var tnLink,
2206			icon,
2207			path,
2208			dimensions = video.width && video.height ? 'style="width:' + video.width + 'px;height:' + video.height + 'px;"' : '',
2209			customTn = target.find('img'),
2210			srcType = 'src',
2211			lazyClass = '',
2212			settings = this._core.settings,
2213			create = function(path) {
2214				icon = '<div class="owl-video-play-icon"></div>';
2215
2216				if (settings.lazyLoad) {
2217					tnLink = '<div class="owl-video-tn ' + lazyClass + '" ' + srcType + '="' + path + '"></div>';
2218				} else {
2219					tnLink = '<div class="owl-video-tn" style="opacity:1;background-image:url(' + path + ')"></div>';
2220				}
2221				target.after(tnLink);
2222				target.after(icon);
2223			};
2224
2225		// wrap video content into owl-video-wrapper div
2226		target.wrap('<div class="owl-video-wrapper"' + dimensions + '></div>');
2227
2228		if (this._core.settings.lazyLoad) {
2229			srcType = 'data-src';
2230			lazyClass = 'owl-lazy';
2231		}
2232
2233		// custom thumbnail
2234		if (customTn.length) {
2235			create(customTn.attr(srcType));
2236			customTn.remove();
2237			return false;
2238		}
2239
2240		if (video.type === 'youtube') {
2241			path = "//img.youtube.com/vi/" + video.id + "/hqdefault.jpg";
2242			create(path);
2243		} else if (video.type === 'vimeo') {
2244			$.ajax({
2245				type: 'GET',
2246				url: '//vimeo.com/api/v2/video/' + video.id + '.json',
2247				jsonp: 'callback',
2248				dataType: 'jsonp',
2249				success: function(data) {
2250					path = data[0].thumbnail_large;
2251					create(path);
2252				}
2253			});
2254		} else if (video.type === 'vzaar') {
2255			$.ajax({
2256				type: 'GET',
2257				url: '//vzaar.com/api/videos/' + video.id + '.json',
2258				jsonp: 'callback',
2259				dataType: 'jsonp',
2260				success: function(data) {
2261					path = data.framegrab_url;
2262					create(path);
2263				}
2264			});
2265		}
2266	};
2267
2268	/**
2269	 * Stops the current video.
2270	 * @public
2271	 */
2272	Video.prototype.stop = function() {
2273		this._core.trigger('stop', null, 'video');
2274		this._playing.find('.owl-video-frame').remove();
2275		this._playing.removeClass('owl-video-playing');
2276		this._playing = null;
2277		this._core.leave('playing');
2278		this._core.trigger('stopped', null, 'video');
2279	};
2280
2281	/**
2282	 * Starts the current video.
2283	 * @public
2284	 * @param {Event} event - The event arguments.
2285	 */
2286	Video.prototype.play = function(event) {
2287		var target = $(event.target),
2288			item = target.closest('.' + this._core.settings.itemClass),
2289			video = this._videos[item.attr('data-video')],
2290			width = video.width || '100%',
2291			height = video.height || this._core.$stage.height(),
2292			html;
2293
2294		if (this._playing) {
2295			return;
2296		}
2297
2298		this._core.enter('playing');
2299		this._core.trigger('play', null, 'video');
2300
2301		item = this._core.items(this._core.relative(item.index()));
2302
2303		this._core.reset(item.index());
2304
2305		if (video.type === 'youtube') {
2306			html = '<iframe width="' + width + '" height="' + height + '" src="//www.youtube.com/embed/' +
2307				video.id + '?autoplay=1&v=' + video.id + '" frameborder="0" allowfullscreen></iframe>';
2308		} else if (video.type === 'vimeo') {
2309			html = '<iframe src="//player.vimeo.com/video/' + video.id +
2310				'?autoplay=1" width="' + width + '" height="' + height +
2311				'" frameborder="0" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>';
2312		} else if (video.type === 'vzaar') {
2313			html = '<iframe frameborder="0"' + 'height="' + height + '"' + 'width="' + width +
2314				'" allowfullscreen mozallowfullscreen webkitAllowFullScreen ' +
2315				'src="//view.vzaar.com/' + video.id + '/player?autoplay=true"></iframe>';
2316		}
2317
2318		$('<div class="owl-video-frame">' + html + '</div>').insertAfter(item.find('.owl-video'));
2319
2320		this._playing = item.addClass('owl-video-playing');
2321	};
2322
2323	/**
2324	 * Checks whether an video is currently in full screen mode or not.
2325	 * @todo Bad style because looks like a readonly method but changes members.
2326	 * @protected
2327	 * @returns {Boolean}
2328	 */
2329	Video.prototype.isInFullScreen = function() {
2330		var element = document.fullscreenElement || document.mozFullScreenElement ||
2331				document.webkitFullscreenElement;
2332
2333		return element && $(element).parent().hasClass('owl-video-frame');
2334	};
2335
2336	/**
2337	 * Destroys the plugin.
2338	 */
2339	Video.prototype.destroy = function() {
2340		var handler, property;
2341
2342		this._core.$element.off('click.owl.video');
2343
2344		for (handler in this._handlers) {
2345			this._core.$element.off(handler, this._handlers[handler]);
2346		}
2347		for (property in Object.getOwnPropertyNames(this)) {
2348			typeof this[property] != 'function' && (this[property] = null);
2349		}
2350	};
2351
2352	$.fn.owlCarousel.Constructor.Plugins.Video = Video;
2353
2354})(window.Zepto || window.jQuery, window, document);
2355
2356/**
2357 * Animate Plugin
2358 * @version 2.1.0
2359 * @author Bartosz Wojciechowski
2360 * @author David Deutsch
2361 * @license The MIT License (MIT)
2362 */
2363;(function($, window, document, undefined) {
2364
2365	/**
2366	 * Creates the animate plugin.
2367	 * @class The Navigation Plugin
2368	 * @param {Owl} scope - The Owl Carousel
2369	 */
2370	var Animate = function(scope) {
2371		this.core = scope;
2372		this.core.options = $.extend({}, Animate.Defaults, this.core.options);
2373		this.swapping = true;
2374		this.previous = undefined;
2375		this.next = undefined;
2376
2377		this.handlers = {
2378			'change.owl.carousel': $.proxy(function(e) {
2379				if (e.namespace && e.property.name == 'position') {
2380					this.previous = this.core.current();
2381					this.next = e.property.value;
2382				}
2383			}, this),
2384			'drag.owl.carousel dragged.owl.carousel translated.owl.carousel': $.proxy(function(e) {
2385				if (e.namespace) {
2386					this.swapping = e.type == 'translated';
2387				}
2388			}, this),
2389			'translate.owl.carousel': $.proxy(function(e) {
2390				if (e.namespace && this.swapping && (this.core.options.animateOut || this.core.options.animateIn)) {
2391					this.swap();
2392				}
2393			}, this)
2394		};
2395
2396		this.core.$element.on(this.handlers);
2397	};
2398
2399	/**
2400	 * Default options.
2401	 * @public
2402	 */
2403	Animate.Defaults = {
2404		animateOut: false,
2405		animateIn: false
2406	};
2407
2408	/**
2409	 * Toggles the animation classes whenever an translations starts.
2410	 * @protected
2411	 * @returns {Boolean|undefined}
2412	 */
2413	Animate.prototype.swap = function() {
2414
2415		if (this.core.settings.items !== 1) {
2416			return;
2417		}
2418
2419		if (!$.support.animation || !$.support.transition) {
2420			return;
2421		}
2422
2423		this.core.speed(0);
2424
2425		var left,
2426			clear = $.proxy(this.clear, this),
2427			previous = this.core.$stage.children().eq(this.previous),
2428			next = this.core.$stage.children().eq(this.next),
2429			incoming = this.core.settings.animateIn,
2430			outgoing = this.core.settings.animateOut;
2431
2432		if (this.core.current() === this.previous) {
2433			return;
2434		}
2435
2436		if (outgoing) {
2437			left = this.core.coordinates(this.previous) - this.core.coordinates(this.next);
2438			previous.one($.support.animation.end, clear)
2439				.css( { 'left': left + 'px' } )
2440				.addClass('animated owl-animated-out')
2441				.addClass(outgoing);
2442		}
2443
2444		if (incoming) {
2445			next.one($.support.animation.end, clear)
2446				.addClass('animated owl-animated-in')
2447				.addClass(incoming);
2448		}
2449	};
2450
2451	Animate.prototype.clear = function(e) {
2452		$(e.target).css( { 'left': '' } )
2453			.removeClass('animated owl-animated-out owl-animated-in')
2454			.removeClass(this.core.settings.animateIn)
2455			.removeClass(this.core.settings.animateOut);
2456		this.core.onTransitionEnd();
2457	};
2458
2459	/**
2460	 * Destroys the plugin.
2461	 * @public
2462	 */
2463	Animate.prototype.destroy = function() {
2464		var handler, property;
2465
2466		for (handler in this.handlers) {
2467			this.core.$element.off(handler, this.handlers[handler]);
2468		}
2469		for (property in Object.getOwnPropertyNames(this)) {
2470			typeof this[property] != 'function' && (this[property] = null);
2471		}
2472	};
2473
2474	$.fn.owlCarousel.Constructor.Plugins.Animate = Animate;
2475
2476})(window.Zepto || window.jQuery, window, document);
2477
2478/**
2479 * Autoplay Plugin
2480 * @version 2.1.0
2481 * @author Bartosz Wojciechowski
2482 * @author Artus Kolanowski
2483 * @author David Deutsch
2484 * @license The MIT License (MIT)
2485 */
2486;(function($, window, document, undefined) {
2487
2488	/**
2489	 * Creates the autoplay plugin.
2490	 * @class The Autoplay Plugin
2491	 * @param {Owl} scope - The Owl Carousel
2492	 */
2493	var Autoplay = function(carousel) {
2494		/**
2495		 * Reference to the core.
2496		 * @protected
2497		 * @type {Owl}
2498		 */
2499		this._core = carousel;
2500
2501		/**
2502		 * The autoplay timeout.
2503		 * @type {Timeout}
2504		 */
2505		this._timeout = null;
2506
2507		/**
2508		 * Indicates whenever the autoplay is paused.
2509		 * @type {Boolean}
2510		 */
2511		this._paused = false;
2512
2513		/**
2514		 * All event handlers.
2515		 * @protected
2516		 * @type {Object}
2517		 */
2518		this._handlers = {
2519			'changed.owl.carousel': $.proxy(function(e) {
2520				if (e.namespace && e.property.name === 'settings') {
2521					if (this._core.settings.autoplay) {
2522						this.play();
2523					} else {
2524						this.stop();
2525					}
2526				} else if (e.namespace && e.property.name === 'position') {
2527					//console.log('play?', e);
2528					if (this._core.settings.autoplay) {
2529						this._setAutoPlayInterval();
2530					}
2531				}
2532			}, this),
2533			'initialized.owl.carousel': $.proxy(function(e) {
2534				if (e.namespace && this._core.settings.autoplay) {
2535					this.play();
2536				}
2537			}, this),
2538			'play.owl.autoplay': $.proxy(function(e, t, s) {
2539				if (e.namespace) {
2540					this.play(t, s);
2541				}
2542			}, this),
2543			'stop.owl.autoplay': $.proxy(function(e) {
2544				if (e.namespace) {
2545					this.stop();
2546				}
2547			}, this),
2548			'mouseover.owl.autoplay': $.proxy(function() {
2549				if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
2550					this.pause();
2551				}
2552			}, this),
2553			'mouseleave.owl.autoplay': $.proxy(function() {
2554				if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
2555					this.play();
2556				}
2557			}, this),
2558			'touchstart.owl.core': $.proxy(function() {
2559				if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
2560					this.pause();
2561				}
2562			}, this),
2563			'touchend.owl.core': $.proxy(function() {
2564				if (this._core.settings.autoplayHoverPause) {
2565					this.play();
2566				}
2567			}, this)
2568		};
2569
2570		// register event handlers
2571		this._core.$element.on(this._handlers);
2572
2573		// set default options
2574		this._core.options = $.extend({}, Autoplay.Defaults, this._core.options);
2575	};
2576
2577	/**
2578	 * Default options.
2579	 * @public
2580	 */
2581	Autoplay.Defaults = {
2582		autoplay: false,
2583		autoplayTimeout: 5000,
2584		autoplayHoverPause: false,
2585		autoplaySpeed: false
2586	};
2587
2588	/**
2589	 * Starts the autoplay.
2590	 * @public
2591	 * @param {Number} [timeout] - The interval before the next animation starts.
2592	 * @param {Number} [speed] - The animation speed for the animations.
2593	 */
2594	Autoplay.prototype.play = function(timeout, speed) {
2595		this._paused = false;
2596
2597		if (this._core.is('rotating')) {
2598			return;
2599		}
2600
2601		this._core.enter('rotating');
2602
2603		this._setAutoPlayInterval();
2604	};
2605
2606	/**
2607	 * Gets a new timeout
2608	 * @private
2609	 * @param {Number} [timeout] - The interval before the next animation starts.
2610	 * @param {Number} [speed] - The animation speed for the animations.
2611	 * @return {Timeout}
2612	 */
2613	Autoplay.prototype._getNextTimeout = function(timeout, speed) {
2614		if ( this._timeout ) {
2615			window.clearTimeout(this._timeout);
2616		}
2617		return window.setTimeout($.proxy(function() {
2618			if (this._paused || this._core.is('busy') || this._core.is('interacting') || document.hidden) {
2619				return;
2620			}
2621			this._core.next(speed || this._core.settings.autoplaySpeed);
2622		}, this), timeout || this._core.settings.autoplayTimeout);
2623	};
2624
2625	/**
2626	 * Sets autoplay in motion.
2627	 * @private
2628	 */
2629	Autoplay.prototype._setAutoPlayInterval = function() {
2630		this._timeout = this._getNextTimeout();
2631	};
2632
2633	/**
2634	 * Stops the autoplay.
2635	 * @public
2636	 */
2637	Autoplay.prototype.stop = function() {
2638		if (!this._core.is('rotating')) {
2639			return;
2640		}
2641
2642		window.clearTimeout(this._timeout);
2643		this._core.leave('rotating');
2644	};
2645
2646	/**
2647	 * Stops the autoplay.
2648	 * @public
2649	 */
2650	Autoplay.prototype.pause = function() {
2651		if (!this._core.is('rotating')) {
2652			return;
2653		}
2654
2655		this._paused = true;
2656	};
2657
2658	/**
2659	 * Destroys the plugin.
2660	 */
2661	Autoplay.prototype.destroy = function() {
2662		var handler, property;
2663
2664		this.stop();
2665
2666		for (handler in this._handlers) {
2667			this._core.$element.off(handler, this._handlers[handler]);
2668		}
2669		for (property in Object.getOwnPropertyNames(this)) {
2670			typeof this[property] != 'function' && (this[property] = null);
2671		}
2672	};
2673
2674	$.fn.owlCarousel.Constructor.Plugins.autoplay = Autoplay;
2675
2676})(window.Zepto || window.jQuery, window, document);
2677
2678/**
2679 * Navigation Plugin
2680 * @version 2.1.0
2681 * @author Artus Kolanowski
2682 * @author David Deutsch