wp_back/wp-content/plugins/slider-bws/js/owl.carousel/owl.autoplay.js

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2024-05-20 15:37:46 +03:00
/**
* Autoplay Plugin
* @version 2.3.4
* @author Bartosz Wojciechowski
* @author Artus Kolanowski
* @author David Deutsch
* @author Tom De Caluwé
* @license The MIT License (MIT)
*/
;(function($, window, document, undefined) {
/**
* Creates the autoplay plugin.
* @class The Autoplay Plugin
* @param {Owl} scope - The Owl Carousel
*/
var Autoplay = function(carousel) {
/**
* Reference to the core.
* @protected
* @type {Owl}
*/
this._core = carousel;
/**
* The autoplay timeout id.
* @type {Number}
*/
this._call = null;
/**
* Depending on the state of the plugin, this variable contains either
* the start time of the timer or the current timer value if it's
* paused. Since we start in a paused state we initialize the timer
* value.
* @type {Number}
*/
this._time = 0;
/**
* Stores the timeout currently used.
* @type {Number}
*/
this._timeout = 0;
/**
* Indicates whenever the autoplay is paused.
* @type {Boolean}
*/
this._paused = true;
/**
* All event handlers.
* @protected
* @type {Object}
*/
this._handlers = {
'changed.owl.carousel': $.proxy(function(e) {
if (e.namespace && e.property.name === 'settings') {
if (this._core.settings.autoplay) {
this.play();
} else {
this.stop();
}
} else if (e.namespace && e.property.name === 'position' && this._paused) {
// Reset the timer. This code is triggered when the position
// of the carousel was changed through user interaction.
this._time = 0;
}
}, this),
'initialized.owl.carousel': $.proxy(function(e) {
if (e.namespace && this._core.settings.autoplay) {
this.play();
}
}, this),
'play.owl.autoplay': $.proxy(function(e, t, s) {
if (e.namespace) {
this.play(t, s);
}
}, this),
'stop.owl.autoplay': $.proxy(function(e) {
if (e.namespace) {
this.stop();
}
}, this),
'mouseover.owl.autoplay': $.proxy(function() {
if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
this.pause();
}
}, this),
'mouseleave.owl.autoplay': $.proxy(function() {
if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
this.play();
}
}, this),
'touchstart.owl.core': $.proxy(function() {
if (this._core.settings.autoplayHoverPause && this._core.is('rotating')) {
this.pause();
}
}, this),
'touchend.owl.core': $.proxy(function() {
if (this._core.settings.autoplayHoverPause) {
this.play();
}
}, this)
};
// register event handlers
this._core.$element.on(this._handlers);
// set default options
this._core.options = $.extend({}, Autoplay.Defaults, this._core.options);
};
/**
* Default options.
* @public
*/
Autoplay.Defaults = {
autoplay: false,
autoplayTimeout: 5000,
autoplayHoverPause: false,
autoplaySpeed: false
};
/**
* Transition to the next slide and set a timeout for the next transition.
* @private
* @param {Number} [speed] - The animation speed for the animations.
*/
Autoplay.prototype._next = function(speed) {
this._call = window.setTimeout(
$.proxy(this._next, this, speed),
this._timeout * (Math.round(this.read() / this._timeout) + 1) - this.read()
);
if (this._core.is('interacting') || document.hidden) {
return;
}
this._core.next(speed || this._core.settings.autoplaySpeed);
}
/**
* Reads the current timer value when the timer is playing.
* @public
*/
Autoplay.prototype.read = function() {
return new Date().getTime() - this._time;
};
/**
* Starts the autoplay.
* @public
* @param {Number} [timeout] - The interval before the next animation starts.
* @param {Number} [speed] - The animation speed for the animations.
*/
Autoplay.prototype.play = function(timeout, speed) {
var elapsed;
if (!this._core.is('rotating')) {
this._core.enter('rotating');
}
timeout = timeout || this._core.settings.autoplayTimeout;
// Calculate the elapsed time since the last transition. If the carousel
// wasn't playing this calculation will yield zero.
elapsed = Math.min(this._time % (this._timeout || timeout), timeout);
if (this._paused) {
// Start the clock.
this._time = this.read();
this._paused = false;
} else {
// Clear the active timeout to allow replacement.
window.clearTimeout(this._call);
}
// Adjust the origin of the timer to match the new timeout value.
this._time += this.read() % timeout - elapsed;
this._timeout = timeout;
this._call = window.setTimeout($.proxy(this._next, this, speed), timeout - elapsed);
};
/**
* Stops the autoplay.
* @public
*/
Autoplay.prototype.stop = function() {
if (this._core.is('rotating')) {
// Reset the clock.
this._time = 0;
this._paused = true;
window.clearTimeout(this._call);
this._core.leave('rotating');
}
};
/**
* Pauses the autoplay.
* @public
*/
Autoplay.prototype.pause = function() {
if (this._core.is('rotating') && !this._paused) {
// Pause the clock.
this._time = this.read();
this._paused = true;
window.clearTimeout(this._call);
}
};
/**
* Destroys the plugin.
*/
Autoplay.prototype.destroy = function() {
var handler, property;
this.stop();
for (handler in this._handlers) {
this._core.$element.off(handler, this._handlers[handler]);
}
for (property in Object.getOwnPropertyNames(this)) {
typeof this[property] != 'function' && (this[property] = null);
}
};
$.fn.owlCarousel.Constructor.Plugins.autoplay = Autoplay;
})(window.Zepto || window.jQuery, window, document);