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Filename : lg-autoplay.js
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/**!
 * lg-autoplay.js | 1.2.0 | May 20th 2020
 * http://sachinchoolur.github.io/lg-autoplay.js
 * Copyright (c) 2016 Sachin N; 
 * @license GPLv3 
 */(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.LgAutoplay = f()}})(function(){var define,module,exports;return (function(){function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c="function"==typeof require&&require;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){var n=e[i][1][r];return o(n||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u="function"==typeof require&&require,i=0;i<t.length;i++)o(t[i]);return o}return r})()({1:[function(require,module,exports){
(function (global, factory) {
    if (typeof define === "function" && define.amd) {
        define([], factory);
    } else if (typeof exports !== "undefined") {
        factory();
    } else {
        var mod = {
            exports: {}
        };
        factory();
        global.lgAutoplay = mod.exports;
    }
})(this, function () {
    'use strict';

    var _extends = Object.assign || function (target) {
        for (var i = 1; i < arguments.length; i++) {
            var source = arguments[i];

            for (var key in source) {
                if (Object.prototype.hasOwnProperty.call(source, key)) {
                    target[key] = source[key];
                }
            }
        }

        return target;
    };

    var autoplayDefaults = {
        autoplay: false,
        pause: 5000,
        progressBar: true,
        fourceAutoplay: false,
        autoplayControls: true,
        appendAutoplayControlsTo: '.lg-toolbar'
    };

    /**
     * Creates the autoplay plugin.
     * @param {object} element - lightGallery element
     */
    var Autoplay = function Autoplay(element) {

        this.el = element;

        this.core = window.lgData[this.el.getAttribute('lg-uid')];

        // Execute only if items are above 1
        if (this.core.items.length < 2) {
            return false;
        }

        this.core.s = _extends({}, autoplayDefaults, this.core.s);
        this.interval = false;

        // Identify if slide happened from autoplay
        this.fromAuto = true;

        // Identify if autoplay canceled from touch/drag
        this.canceledOnTouch = false;

        // save fourceautoplay value
        this.fourceAutoplayTemp = this.core.s.fourceAutoplay;

        // do not allow progress bar if browser does not support css3 transitions
        if (!this.core.doCss()) {
            this.core.s.progressBar = false;
        }

        this.init();

        return this;
    };

    Autoplay.prototype.init = function () {
        var _this = this;

        // append autoplay controls
        if (_this.core.s.autoplayControls) {
            _this.controls();
        }

        // Create progress bar
        if (_this.core.s.progressBar) {
            _this.core.outer.querySelector('.lg').insertAdjacentHTML('beforeend', '<div class="lg-progress-bar"><div class="lg-progress"></div></div>');
        }

        // set progress
        _this.progress();

        // Start autoplay
        if (_this.core.s.autoplay) {
            _this.startlAuto();
        }

        // cancel interval on touchstart and dragstart
        utils.on(_this.el, 'onDragstart.lgtm touchstart.lgtm', function () {
            if (_this.interval) {
                _this.cancelAuto();
                _this.canceledOnTouch = true;
            }
        });

        // restore autoplay if autoplay canceled from touchstart / dragstart
        utils.on(_this.el, 'onDragend.lgtm touchend.lgtm onSlideClick.lgtm', function () {
            if (!_this.interval && _this.canceledOnTouch) {
                _this.startlAuto();
                _this.canceledOnTouch = false;
            }
        });
    };

    Autoplay.prototype.progress = function () {

        var _this = this;
        var _progressBar;
        var _progress;

        utils.on(_this.el, 'onBeforeSlide.lgtm', function () {

            // start progress bar animation
            if (_this.core.s.progressBar && _this.fromAuto) {
                _progressBar = _this.core.outer.querySelector('.lg-progress-bar');
                _progress = _this.core.outer.querySelector('.lg-progress');
                if (_this.interval) {
                    _progress.removeAttribute('style');
                    utils.removeClass(_progressBar, 'lg-start');
                    setTimeout(function () {
                        utils.setVendor(_progress, 'Transition', 'width ' + (_this.core.s.speed + _this.core.s.pause) + 'ms ease 0s');
                        utils.addClass(_progressBar, 'lg-start');
                    }, 20);
                }
            }

            // Remove setinterval if slide is triggered manually and fourceautoplay is false
            if (!_this.fromAuto && !_this.core.s.fourceAutoplay) {
                _this.cancelAuto();
            }

            _this.fromAuto = false;
        });
    };

    // Manage autoplay via play/stop buttons
    Autoplay.prototype.controls = function () {
        var _this = this;
        var _html = '<button aria-label="Toggle autoplay" class="lg-autoplay-button lg-icon"></button>';

        // Append autoplay controls
        _this.core.outer.querySelector(this.core.s.appendAutoplayControlsTo).insertAdjacentHTML('beforeend', _html);

        utils.on(_this.core.outer.querySelector('.lg-autoplay-button'), 'click.lg', function () {
            if (utils.hasClass(_this.core.outer, 'lg-show-autoplay')) {
                _this.cancelAuto();
                _this.core.s.fourceAutoplay = false;
            } else {
                if (!_this.interval) {
                    _this.startlAuto();
                    _this.core.s.fourceAutoplay = _this.fourceAutoplayTemp;
                }
            }
        });
    };

    // Autostart gallery
    Autoplay.prototype.startlAuto = function () {
        var _this = this;

        utils.setVendor(_this.core.outer.querySelector('.lg-progress'), 'Transition', 'width ' + (_this.core.s.speed + _this.core.s.pause) + 'ms ease 0s');
        utils.addClass(_this.core.outer, 'lg-show-autoplay');
        utils.addClass(_this.core.outer.querySelector('.lg-progress-bar'), 'lg-start');

        _this.interval = setInterval(function () {
            if (_this.core.index + 1 < _this.core.items.length) {
                _this.core.index++;
            } else {
                _this.core.index = 0;
            }

            _this.fromAuto = true;
            _this.core.slide(_this.core.index, false, false);
        }, _this.core.s.speed + _this.core.s.pause);
    };

    // cancel Autostart
    Autoplay.prototype.cancelAuto = function () {
        clearInterval(this.interval);
        this.interval = false;
        if (this.core.outer.querySelector('.lg-progress')) {
            this.core.outer.querySelector('.lg-progress').removeAttribute('style');
        }

        utils.removeClass(this.core.outer, 'lg-show-autoplay');
        utils.removeClass(this.core.outer.querySelector('.lg-progress-bar'), 'lg-start');
    };

    Autoplay.prototype.destroy = function () {

        this.cancelAuto();
        if (this.core.outer.querySelector('.lg-progress-bar')) {
            this.core.outer.querySelector('.lg-progress-bar').parentNode.removeChild(this.core.outer.querySelector('.lg-progress-bar'));
        }
    };

    window.lgModules.autoplay = Autoplay;
});

},{}]},{},[1])(1)
});