https://www.prodital.it/js/vendor/owl.autoplay.js

1/**
2 * Autoplay Plugin
3 * @version 2.0.0
4 * @author Bartosz Wojciechowski
5 * @author Artus Kolanowski
6 * @license The MIT License (MIT)
7 */
8;(function($, window, document, undefined) {
9
10	/**
11	 * Creates the autoplay plugin.
12	 * @class The Autoplay Plugin
13	 * @param {Owl} scope - The Owl Carousel
14	 */
15	var Autoplay = function(carousel) {
16		/**
17		 * Reference to the core.
18		 * @protected
19		 * @type {Owl}
20		 */
21		this._core = carousel;
22
23		/**
24		 * The autoplay interval.
25		 * @type {Number}
26		 */
27		this._interval = null;
28
29		/**
30		 * Indicates whenever the autoplay is paused.
31		 * @type {Boolean}
32		 */
33		this._paused = false;
34
35		/**
36		 * All event handlers.
37		 * @protected
38		 * @type {Object}
39		 */
40		this._handlers = {
41			'changed.owl.carousel': $.proxy(function(e) {
42				if (e.namespace && e.property.name === 'settings') {
43					if (this._core.settings.autoplay) {
44						this.play();
45					} else {
46						this.stop();
47					}
48				}
49			}, this),
50			'initialized.owl.carousel': $.proxy(function(e) {
51				if (e.namespace && this._core.settings.autoplay) {
52					this.play();
53				}
54			}, this),
55			'play.owl.autoplay': $.proxy(function(e, t, s) {
56				if (e.namespace) {
57					this.play(t, s);
58				}
59			}, this),
60			'stop.owl.autoplay': $.proxy(function(e) {
61				if (e.namespace) {
62					this.stop();
63				}
64			}, this),
65			'mouseover.owl.autoplay': $.proxy(function() {
66				if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
67					this.pause();
68				}
69			}, this),
70			'mouseleave.owl.autoplay': $.proxy(function() {
71				if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
72					this.play();
73				}
74			}, this)
75		};
76
77		// register event handlers
78		this._core.$element.on(this._handlers);
79
80		// set default options
81		this._core.options = $.extend({}, Autoplay.Defaults, this._core.options);
82	};
83
84	/**
85	 * Default options.
86	 * @public
87	 */
88	Autoplay.Defaults = {
89		autoplay: false,
90		autoplayTimeout: 5000,
91		autoplayHoverPause: false,
92		autoplaySpeed: false
93	};
94
95	/**
96	 * Starts the autoplay.
97	 * @public
98	 * @param {Number} [timeout] - The interval before the next animation starts.
99	 * @param {Number} [speed] - The animation speed for the animations.
100	 */
101	Autoplay.prototype.play = function(timeout, speed) {
102		this._paused = false;
103
104		if (this._core.is('rotating')) {
105			return;
106		}
107
108		this._core.enter('rotating');
109
110		this._interval = window.setInterval($.proxy(function() {
111			if (this._paused || this._core.is('busy') || this._core.is('interacting') || document.hidden) {
112				return;
113			}
114			this._core.next(speed || this._core.settings.autoplaySpeed);
115		}, this), timeout || this._core.settings.autoplayTimeout);
116	};
117
118	/**
119	 * Stops the autoplay.
120	 * @public
121	 */
122	Autoplay.prototype.stop = function() {
123		if (!this._core.is('rotating')) {
124			return;
125		}
126
127		window.clearInterval(this._interval);
128		this._core.leave('rotating');
129	};
130
131	/**
132	 * Stops the autoplay.
133	 * @public
134	 */
135	Autoplay.prototype.pause = function() {
136		if (!this._core.is('rotating')) {
137			return;
138		}
139
140		this._paused = true;
141	};
142
143	/**
144	 * Destroys the plugin.
145	 */
146	Autoplay.prototype.destroy = function() {
147		var handler, property;
148
149		this.stop();
150
151		for (handler in this._handlers) {
152			this._core.$element.off(handler, this._handlers[handler]);
153		}
154		for (property in Object.getOwnPropertyNames(this)) {
155			typeof this[property] != 'function' && (this[property] = null);
156		}
157	};
158
159	$.fn.owlCarousel.Constructor.Plugins.autoplay = Autoplay;
160
161})(window.Zepto || window.jQuery, window, document);