fronend/plugins/light-gallery/js/lightgallery-all.js

/*! lightgallery - v1.2.21 - 2016-06-28
* http://sachinchoolur.github.io/lightGallery/
* Copyright (c) 2016 Sachin N; Licensed Apache 2.0 */
(function($, window, document, undefined) {

    'use strict';

    var defaults = {

        mode: 'lg-slide',

        // Ex : 'ease'
        cssEasing: 'ease',

        //'for jquery animation'
        easing: 'linear',
        speed: 600,
        height: '100%',
        width: '100%',
        addClass: '',
        startClass: 'lg-start-zoom',
        backdropDuration: 150,
        hideBarsDelay: 6000,

        useLeft: false,

        closable: true,
        loop: true,
        escKey: true,
        keyPress: true,
        controls: true,
        slideEndAnimatoin: true,
        hideControlOnEnd: false,
        mousewheel: true,

        getCaptionFromTitleOrAlt: true,

        // .lg-item || '.lg-sub-html'
        appendSubHtmlTo: '.lg-sub-html',

        subHtmlSelectorRelative: false,

        /**
         * @desc number of preload slides
         * will exicute only after the current slide is fully loaded.
         *
         * @ex you clicked on 4th image and if preload = 1 then 3rd slide and 5th
         * slide will be loaded in the background after the 4th slide is fully loaded..
         * if preload is 2 then 2nd 3rd 5th 6th slides will be preloaded.. ... ...
         *
         */
        preload: 1,
        showAfterLoad: true,
        selector: '',
        selectWithin: '',
        nextHtml: '',
        prevHtml: '',

        // 0, 1
        index: false,

        iframeMaxWidth: '100%',

        download: true,
        counter: true,
        appendCounterTo: '.lg-toolbar',

        swipeThreshold: 50,
        enableSwipe: true,
        enableDrag: true,

        dynamic: false,
        dynamicEl: [],
        galleryId: 1
    };

    function Plugin(element, options) {

        // Current lightGallery element
        this.el = element;

        // Current jquery element
        this.$el = $(element);

        // lightGallery settings
        this.s = $.extend({}, defaults, options);

        // When using dynamic mode, ensure dynamicEl is an array
        if (this.s.dynamic && this.s.dynamicEl !== 'undefined' && this.s.dynamicEl.constructor === Array && !this.s.dynamicEl.length) {
            throw ('When using dynamic mode, you must also define dynamicEl as an Array.');
        }

        // lightGallery modules
        this.modules = {};

        // false when lightgallery complete first slide;
        this.lGalleryOn = false;

        this.lgBusy = false;

        // Timeout function for hiding controls;
        this.hideBartimeout = false;

        // To determine browser supports for touch events;
        this.isTouch = ('ontouchstart' in document.documentElement);

        // Disable hideControlOnEnd if sildeEndAnimation is true
        if (this.s.slideEndAnimatoin) {
            this.s.hideControlOnEnd = false;
        }

        // Gallery items
        if (this.s.dynamic) {
            this.$items = this.s.dynamicEl;
        } else {
            if (this.s.selector === 'this') {
                this.$items = this.$el;
            } else if (this.s.selector !== '') {
                if (this.s.selectWithin) {
                    this.$items = $(this.s.selectWithin).find(this.s.selector);
                } else {
                    this.$items = this.$el.find($(this.s.selector));
                }
            } else {
                this.$items = this.$el.children();
            }
        }

        // .lg-item
        this.$slide = '';

        // .lg-outer
        this.$outer = '';

        this.init();

        return this;
    }

    Plugin.prototype.init = function() {

        var _this = this;

        // s.preload should not be more than $item.length
        if (_this.s.preload > _this.$items.length) {
            _this.s.preload = _this.$items.length;
        }

        // if dynamic option is enabled execute immediately
        var _hash = window.location.hash;
        if (_hash.indexOf('lg=' + this.s.galleryId) > 0) {

            _this.index = parseInt(_hash.split('&slide=')[1], 10);

            $('body').addClass('lg-from-hash');
            if (!$('body').hasClass('lg-on')) {
                setTimeout(function() {
                    _this.build(_this.index);
                    $('body').addClass('lg-on');
                });
            }
        }

        if (_this.s.dynamic) {

            _this.$el.trigger('onBeforeOpen.lg');

            _this.index = _this.s.index || 0;

            // prevent accidental double execution
            if (!$('body').hasClass('lg-on')) {
                setTimeout(function() {
                    _this.build(_this.index);
                    $('body').addClass('lg-on');
                });
            }
        } else {

            // Using different namespace for click because click event should not unbind if selector is same object('this')
            _this.$items.on('click.lgcustom', function(event) {

                // For IE8
                try {
                    event.preventDefault();
                    event.preventDefault();
                } catch (er) {
                    event.returnValue = false;
                }

                _this.$el.trigger('onBeforeOpen.lg');

                _this.index = _this.s.index || _this.$items.index(this);

                // prevent accidental double execution
                if (!$('body').hasClass('lg-on')) {
                    _this.build(_this.index);
                    $('body').addClass('lg-on');
                }
            });
        }

    };

    Plugin.prototype.build = function(index) {

        var _this = this;

        _this.structure();

        // module constructor
        $.each($.fn.lightGallery.modules, function(key) {
            _this.modules[key] = new $.fn.lightGallery.modules[key](_this.el);
        });

        // initiate slide function
        _this.slide(index, false, false);

        if (_this.s.keyPress) {
            _this.keyPress();
        }

        if (_this.$items.length > 1) {

            _this.arrow();

            setTimeout(function() {
                _this.enableDrag();
                _this.enableSwipe();
            }, 50);

            if (_this.s.mousewheel) {
                _this.mousewheel();
            }
        }

        _this.counter();

        _this.closeGallery();

        _this.$el.trigger('onAfterOpen.lg');

        // Hide controllers if mouse doesn't move for some period
        _this.$outer.on('mousemove.lg click.lg touchstart.lg', function() {

            _this.$outer.removeClass('lg-hide-items');

            clearTimeout(_this.hideBartimeout);

            // Timeout will be cleared on each slide movement also
            _this.hideBartimeout = setTimeout(function() {
                _this.$outer.addClass('lg-hide-items');
            }, _this.s.hideBarsDelay);

        });

    };

    Plugin.prototype.structure = function() {
        var list = '';
        var controls = '';
        var i = 0;
        var subHtmlCont = '';
        var template;
        var _this = this;

        $('body').append('<div class="lg-backdrop"></div>');
        $('.lg-backdrop').css('transition-duration', this.s.backdropDuration + 'ms');

        // Create gallery items
        for (i = 0; i < this.$items.length; i++) {
            list += '<div class="lg-item"></div>';
        }

        // Create controlls
        if (this.s.controls && this.$items.length > 1) {
            controls = '<div class="lg-actions">' +
                '<div class="lg-prev lg-icon">' + this.s.prevHtml + '</div>' +
                '<div class="lg-next lg-icon">' + this.s.nextHtml + '</div>' +
                '</div>';
        }

        if (this.s.appendSubHtmlTo === '.lg-sub-html') {
            subHtmlCont = '<div class="lg-sub-html"></div>';
        }

        template = '<div class="lg-outer ' + this.s.addClass + ' ' + this.s.startClass + '">' +
            '<div class="lg" style="width:' + this.s.width + '; height:' + this.s.height + '">' +
            '<div class="lg-inner">' + list + '</div>' +
            '<div class="lg-toolbar group">' +
            '<span class="lg-close lg-icon"></span>' +
            '</div>' +
            controls +
            subHtmlCont +
            '</div>' +
            '</div>';

        $('body').append(template);
        this.$outer = $('.lg-outer');
        this.$slide = this.$outer.find('.lg-item');

        if (this.s.useLeft) {
            this.$outer.addClass('lg-use-left');

            // Set mode lg-slide if use left is true;
            this.s.mode = 'lg-slide';
        } else {
            this.$outer.addClass('lg-use-css3');
        }

        // For fixed height gallery
        _this.setTop();
        $(window).on('resize.lg orientationchange.lg', function() {
            setTimeout(function() {
                _this.setTop();
            }, 100);
        });

        // add class lg-current to remove initial transition
        this.$slide.eq(this.index).addClass('lg-current');

        // add Class for css support and transition mode
        if (this.doCss()) {
            this.$outer.addClass('lg-css3');
        } else {
            this.$outer.addClass('lg-css');

            // Set speed 0 because no animation will happen if browser doesn't support css3
            this.s.speed = 0;
        }

        this.$outer.addClass(this.s.mode);

        if (this.s.enableDrag && this.$items.length > 1) {
            this.$outer.addClass('lg-grab');
        }

        if (this.s.showAfterLoad) {
            this.$outer.addClass('lg-show-after-load');
        }

        if (this.doCss()) {
            var $inner = this.$outer.find('.lg-inner');
            $inner.css('transition-timing-function', this.s.cssEasing);
            $inner.css('transition-duration', this.s.speed + 'ms');
        }

        $('.lg-backdrop').addClass('in');

        setTimeout(function() {
            _this.$outer.addClass('lg-visible');
        }, this.s.backdropDuration);

        if (this.s.download) {
            this.$outer.find('.lg-toolbar').append('<a id="lg-download" target="_blank" download class="lg-download lg-icon"></a>');
        }

        // Store the current scroll top value to scroll back after closing the gallery..
        this.prevScrollTop = $(window).scrollTop();

    };

    // For fixed height gallery
    Plugin.prototype.setTop = function() {
        if (this.s.height !== '100%') {
            var wH = $(window).height();
            var top = (wH - parseInt(this.s.height, 10)) / 2;
            var $lGallery = this.$outer.find('.lg');
            if (wH >= parseInt(this.s.height, 10)) {
                $lGallery.css('top', top + 'px');
            } else {
                $lGallery.css('top', '0px');
            }
        }
    };

    // Find css3 support
    Plugin.prototype.doCss = function() {
        // check for css animation support
        var support = function() {
            var transition = ['transition', 'MozTransition', 'WebkitTransition', 'OTransition', 'msTransition', 'KhtmlTransition'];
            var root = document.documentElement;
            var i = 0;
            for (i = 0; i < transition.length; i++) {
                if (transition[i] in root.style) {
                    return true;
                }
            }
        };

        if (support()) {
            return true;
        }

        return false;
    };

    /**
     *  @desc Check the given src is video
     *  @param {String} src
     *  @return {Object} video type
     *  Ex:{ youtube  :  ["//www.youtube.com/watch?v=c0asJgSyxcY", "c0asJgSyxcY"] }
     */
    Plugin.prototype.isVideo = function(src, index) {

        var html;
        if (this.s.dynamic) {
            html = this.s.dynamicEl[index].html;
        } else {
            html = this.$items.eq(index).attr('data-html');
        }

        if (!src && html) {
            return {
                html5: true
            };
        }

        var youtube = src.match(/\/\/(?:www\.)?youtu(?:\.be|be\.com)\/(?:watch\?v=|embed\/)?([a-z0-9\-\_\%]+)/i);
        var vimeo = src.match(/\/\/(?:www\.)?vimeo.com\/([0-9a-z\-_]+)/i);
        var dailymotion = src.match(/\/\/(?:www\.)?dai.ly\/([0-9a-z\-_]+)/i);
        var vk = src.match(/\/\/(?:www\.)?(?:vk\.com|vkontakte\.ru)\/(?:video_ext\.php\?)(.*)/i);

        if (youtube) {
            return {
                youtube: youtube
            };
        } else if (vimeo) {
            return {
                vimeo: vimeo
            };
        } else if (dailymotion) {
            return {
                dailymotion: dailymotion
            };
        } else if (vk) {
            return {
                vk: vk
            };
        }
    };

    /**
     *  @desc Create image counter
     *  Ex: 1/10
     */
    Plugin.prototype.counter = function() {
        if (this.s.counter) {
            $(this.s.appendCounterTo).append('<div id="lg-counter"><span id="lg-counter-current">' + (parseInt(this.index, 10) + 1) + '</span> / <span id="lg-counter-all">' + this.$items.length + '</span></div>');
        }
    };

    /**
     *  @desc add sub-html into the slide
     *  @param {Number} index - index of the slide
     */
    Plugin.prototype.addHtml = function(index) {
        var subHtml = null;
        var subHtmlUrl;
        var $currentEle;
        if (this.s.dynamic) {
            if (this.s.dynamicEl[index].subHtmlUrl) {
                subHtmlUrl = this.s.dynamicEl[index].subHtmlUrl;
            } else {
                subHtml = this.s.dynamicEl[index].subHtml;
            }
        } else {
            $currentEle = this.$items.eq(index);
            if ($currentEle.attr('data-sub-html-url')) {
                subHtmlUrl = $currentEle.attr('data-sub-html-url');
            } else {
                subHtml = $currentEle.attr('data-sub-html');
                if (this.s.getCaptionFromTitleOrAlt && !subHtml) {
                    subHtml = $currentEle.attr('title') || $currentEle.find('img').first().attr('alt');
                }
            }
        }

        if (!subHtmlUrl) {
            if (typeof subHtml !== 'undefined' && subHtml !== null) {

                // get first letter of subhtml
                // if first letter starts with . or # get the html form the jQuery object
                var fL = subHtml.substring(0, 1);
                if (fL === '.' || fL === '#') {
                    if (this.s.subHtmlSelectorRelative && !this.s.dynamic) {
                        subHtml = $currentEle.find(subHtml).html();
                    } else {
                        subHtml = $(subHtml).html();
                    }
                }
            } else {
                subHtml = '';
            }
        }

        if (this.s.appendSubHtmlTo === '.lg-sub-html') {

            if (subHtmlUrl) {
                this.$outer.find(this.s.appendSubHtmlTo).load(subHtmlUrl);
            } else {
                this.$outer.find(this.s.appendSubHtmlTo).html(subHtml);
            }

        } else {

            if (subHtmlUrl) {
                this.$slide.eq(index).load(subHtmlUrl);
            } else {
                this.$slide.eq(index).append(subHtml);
            }
        }

        // Add lg-empty-html class if title doesn't exist
        if (typeof subHtml !== 'undefined' && subHtml !== null) {
            if (subHtml === '') {
                this.$outer.find(this.s.appendSubHtmlTo).addClass('lg-empty-html');
            } else {
                this.$outer.find(this.s.appendSubHtmlTo).removeClass('lg-empty-html');
            }
        }

        this.$el.trigger('onAfterAppendSubHtml.lg', [index]);
    };

    /**
     *  @desc Preload slides
     *  @param {Number} index - index of the slide
     */
    Plugin.prototype.preload = function(index) {
        var i = 1;
        var j = 1;
        for (i = 1; i <= this.s.preload; i++) {
            if (i >= this.$items.length - index) {
                break;
            }

            this.loadContent(index + i, false, 0);
        }

        for (j = 1; j <= this.s.preload; j++) {
            if (index - j < 0) {
                break;
            }

            this.loadContent(index - j, false, 0);
        }
    };

    /**
     *  @desc Load slide content into slide.
     *  @param {Number} index - index of the slide.
     *  @param {Boolean} rec - if true call loadcontent() function again.
     *  @param {Boolean} delay - delay for adding complete class. it is 0 except first time.
     */
    Plugin.prototype.loadContent = function(index, rec, delay) {

        var _this = this;
        var _hasPoster = false;
        var _$img;
        var _src;
        var _poster;
        var _srcset;
        var _sizes;
        var _html;
        var getResponsiveSrc = function(srcItms) {
            var rsWidth = [];
            var rsSrc = [];
            for (var i = 0; i < srcItms.length; i++) {
                var __src = srcItms[i].split(' ');

                // Manage empty space
                if (__src[0] === '') {
                    __src.splice(0, 1);
                }

                rsSrc.push(__src[0]);
                rsWidth.push(__src[1]);
            }

            var wWidth = $(window).width();
            for (var j = 0; j < rsWidth.length; j++) {
                if (parseInt(rsWidth[j], 10) > wWidth) {
                    _src = rsSrc[j];
                    break;
                }
            }
        };

        if (_this.s.dynamic) {

            if (_this.s.dynamicEl[index].poster) {
                _hasPoster = true;
                _poster = _this.s.dynamicEl[index].poster;
            }

            _html = _this.s.dynamicEl[index].html;
            _src = _this.s.dynamicEl[index].src;

            if (_this.s.dynamicEl[index].responsive) {
                var srcDyItms = _this.s.dynamicEl[index].responsive.split(',');
                getResponsiveSrc(srcDyItms);
            }

            _srcset = _this.s.dynamicEl[index].srcset;
            _sizes = _this.s.dynamicEl[index].sizes;

        } else {

            if (_this.$items.eq(index).attr('data-poster')) {
                _hasPoster = true;
                _poster = _this.$items.eq(index).attr('data-poster');
            }

            _html = _this.$items.eq(index).attr('data-html');
            _src = _this.$items.eq(index).attr('href') || _this.$items.eq(index).attr('data-src');

            if (_this.$items.eq(index).attr('data-responsive')) {
                var srcItms = _this.$items.eq(index).attr('data-responsive').split(',');
                getResponsiveSrc(srcItms);
            }

            _srcset = _this.$items.eq(index).attr('data-srcset');
            _sizes = _this.$items.eq(index).attr('data-sizes');

        }

        //if (_src || _srcset || _sizes || _poster) {

        var iframe = false;
        if (_this.s.dynamic) {
            if (_this.s.dynamicEl[index].iframe) {
                iframe = true;
            }
        } else {
            if (_this.$items.eq(index).attr('data-iframe') === 'true') {
                iframe = true;
            }
        }

        var _isVideo = _this.isVideo(_src, index);
        if (!_this.$slide.eq(index).hasClass('lg-loaded')) {
            if (iframe) {
                _this.$slide.eq(index).prepend('<div class="lg-video-cont" style="max-width:' + _this.s.iframeMaxWidth + '"><div class="lg-video"><iframe class="lg-object" frameborder="0" src="' + _src + '"  allowfullscreen="true"></iframe></div></div>');
            } else if (_hasPoster) {
                var videoClass = '';
                if (_isVideo && _isVideo.youtube) {
                    videoClass = 'lg-has-youtube';
                } else if (_isVideo && _isVideo.vimeo) {
                    videoClass = 'lg-has-vimeo';
                } else {
                    videoClass = 'lg-has-html5';
                }

                _this.$slide.eq(index).prepend('<div class="lg-video-cont ' + videoClass + ' "><div class="lg-video"><span class="lg-video-play"></span><img class="lg-object lg-has-poster" src="' + _poster + '" /></div></div>');

            } else if (_isVideo) {
                _this.$slide.eq(index).prepend('<div class="lg-video-cont "><div class="lg-video"></div></div>');
                _this.$el.trigger('hasVideo.lg', [index, _src, _html]);
            } else {
                _this.$slide.eq(index).prepend('<div class="lg-img-wrap"><img class="lg-object lg-image" src="' + _src + '" /></div>');
            }

            _this.$el.trigger('onAferAppendSlide.lg', [index]);

            _$img = _this.$slide.eq(index).find('.lg-object');
            if (_sizes) {
                _$img.attr('sizes', _sizes);
            }

            if (_srcset) {
                _$img.attr('srcset', _srcset);
                try {
                    picturefill({
                        elements: [_$img[0]]
                    });
                } catch (e) {
                    console.error('Make sure you have included Picturefill version 2');
                }
            }

            if (this.s.appendSubHtmlTo !== '.lg-sub-html') {
                _this.addHtml(index);
            }

            _this.$slide.eq(index).addClass('lg-loaded');
        }

        _this.$slide.eq(index).find('.lg-object').on('load.lg error.lg', function() {

            // For first time add some delay for displaying the start animation.
            var _speed = 0;

            // Do not change the delay value because it is required for zoom plugin.
            // If gallery opened from direct url (hash) speed value should be 0
            if (delay && !$('body').hasClass('lg-from-hash')) {
                _speed = delay;
            }

            setTimeout(function() {
                _this.$slide.eq(index).addClass('lg-complete');
                _this.$el.trigger('onSlideItemLoad.lg', [index, delay || 0]);
            }, _speed);

        });

        // @todo check load state for html5 videos
        if (_isVideo && _isVideo.html5 && !_hasPoster) {
            _this.$slide.eq(index).addClass('lg-complete');
        }

        if (rec === true) {
            if (!_this.$slide.eq(index).hasClass('lg-complete')) {
                _this.$slide.eq(index).find('.lg-object').on('load.lg error.lg', function() {
                    _this.preload(index);
                });
            } else {
                _this.preload(index);
            }
        }

        //}
    };

    /**
    *   @desc slide function for lightgallery
        ** Slide() gets call on start
        ** ** Set lg.on true once slide() function gets called.
        ** Call loadContent() on slide() function inside setTimeout
        ** ** On first slide we do not want any animation like slide of fade
        ** ** So on first slide( if lg.on if false that is first slide) loadContent() should start loading immediately
        ** ** Else loadContent() should wait for the transition to complete.
        ** ** So set timeout s.speed + 50
    <=> ** loadContent() will load slide content in to the particular slide
        ** ** It has recursion (rec) parameter. if rec === true loadContent() will call preload() function.
        ** ** preload will execute only when the previous slide is fully loaded (images iframe)
        ** ** avoid simultaneous image load
    <=> ** Preload() will check for s.preload value and call loadContent() again accoring to preload value
        ** loadContent()  <====> Preload();

    *   @param {Number} index - index of the slide
    *   @param {Boolean} fromTouch - true if slide function called via touch event or mouse drag
    *   @param {Boolean} fromThumb - true if slide function called via thumbnail click
    */
    Plugin.prototype.slide = function(index, fromTouch, fromThumb) {

        var _prevIndex = this.$outer.find('.lg-current').index();
        var _this = this;

        // Prevent if multiple call
        // Required for hsh plugin
        if (_this.lGalleryOn && (_prevIndex === index)) {
            return;
        }

        var _length = this.$slide.length;
        var _time = _this.lGalleryOn ? this.s.speed : 0;
        var _next = false;
        var _prev = false;

        if (!_this.lgBusy) {

            if (this.s.download) {
                var _src;
                if (_this.s.dynamic) {
                    _src = _this.s.dynamicEl[index].downloadUrl !== false && (_this.s.dynamicEl[index].downloadUrl || _this.s.dynamicEl[index].src);
                } else {
                    _src = _this.$items.eq(index).attr('data-download-url') !== 'false' && (_this.$items.eq(index).attr('data-download-url') || _this.$items.eq(index).attr('href') || _this.$items.eq(index).attr('data-src'));

                }

                if (_src) {
                    $('#lg-download').attr('href', _src);
                    _this.$outer.removeClass('lg-hide-download');
                } else {
                    _this.$outer.addClass('lg-hide-download');
                }
            }

            this.$el.trigger('onBeforeSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);

            _this.lgBusy = true;

            clearTimeout(_this.hideBartimeout);

            // Add title if this.s.appendSubHtmlTo === lg-sub-html
            if (this.s.appendSubHtmlTo === '.lg-sub-html') {

                // wait for slide animation to complete
                setTimeout(function() {
                    _this.addHtml(index);
                }, _time);
            }

            this.arrowDisable(index);

            if (!fromTouch) {

                // remove all transitions
                _this.$outer.addClass('lg-no-trans');

                this.$slide.removeClass('lg-prev-slide lg-next-slide');

                if (index < _prevIndex) {
                    _prev = true;
                    if ((index === 0) && (_prevIndex === _length - 1) && !fromThumb) {
                        _prev = false;
                        _next = true;
                    }
                } else if (index > _prevIndex) {
                    _next = true;
                    if ((index === _length - 1) && (_prevIndex === 0) && !fromThumb) {
                        _prev = true;
                        _next = false;
                    }
                }

                if (_prev) {

                    //prevslide
                    this.$slide.eq(index).addClass('lg-prev-slide');
                    this.$slide.eq(_prevIndex).addClass('lg-next-slide');
                } else if (_next) {

                    // next slide
                    this.$slide.eq(index).addClass('lg-next-slide');
                    this.$slide.eq(_prevIndex).addClass('lg-prev-slide');
                }

                // give 50 ms for browser to add/remove class
                setTimeout(function() {
                    _this.$slide.removeClass('lg-current');

                    //_this.$slide.eq(_prevIndex).removeClass('lg-current');
                    _this.$slide.eq(index).addClass('lg-current');

                    // reset all transitions
                    _this.$outer.removeClass('lg-no-trans');
                }, 50);
            } else {

                var touchPrev = index - 1;
                var touchNext = index + 1;

                if ((index === 0) && (_prevIndex === _length - 1)) {

                    // next slide
                    touchNext = 0;
                    touchPrev = _length - 1;
                } else if ((index === _length - 1) && (_prevIndex === 0)) {

                    // prev slide
                    touchNext = 0;
                    touchPrev = _length - 1;
                }

                this.$slide.removeClass('lg-prev-slide lg-current lg-next-slide');
                _this.$slide.eq(touchPrev).addClass('lg-prev-slide');
                _this.$slide.eq(touchNext).addClass('lg-next-slide');
                _this.$slide.eq(index).addClass('lg-current');
            }

            if (_this.lGalleryOn) {
                setTimeout(function() {
                    _this.loadContent(index, true, 0);
                }, this.s.speed + 50);

                setTimeout(function() {
                    _this.lgBusy = false;
                    _this.$el.trigger('onAfterSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
                }, this.s.speed);

            } else {
                _this.loadContent(index, true, _this.s.backdropDuration);

                _this.lgBusy = false;
                _this.$el.trigger('onAfterSlide.lg', [_prevIndex, index, fromTouch, fromThumb]);
            }

            _this.lGalleryOn = true;

            if (this.s.counter) {
                $('#lg-counter-current').text(index + 1);
            }

        }

    };

    /**
     *  @desc Go to next slide
     *  @param {Boolean} fromTouch - true if slide function called via touch event
     */
    Plugin.prototype.goToNextSlide = function(fromTouch) {
        var _this = this;
        if (!_this.lgBusy) {
            if ((_this.index + 1) < _this.$slide.length) {
                _this.index++;
                _this.$el.trigger('onBeforeNextSlide.lg', [_this.index]);
                _this.slide(_this.index, fromTouch, false);
            } else {
                if (_this.s.loop) {
                    _this.index = 0;
                    _this.$el.trigger('onBeforeNextSlide.lg', [_this.index]);
                    _this.slide(_this.index, fromTouch, false);
                } else if (_this.s.slideEndAnimatoin) {
                    _this.$outer.addClass('lg-right-end');
                    setTimeout(function() {
                        _this.$outer.removeClass('lg-right-end');
                    }, 400);
                }
            }
        }
    };

    /**
     *  @desc Go to previous slide
     *  @param {Boolean} fromTouch - true if slide function called via touch event
     */
    Plugin.prototype.goToPrevSlide = function(fromTouch) {
        var _this = this;
        if (!_this.lgBusy) {
            if (_this.index > 0) {
                _this.index--;
                _this.$el.trigger('onBeforePrevSlide.lg', [_this.index, fromTouch]);
                _this.slide(_this.index, fromTouch, false);
            } else {
                if (_this.s.loop) {
                    _this.index = _this.$items.length - 1;
                    _this.$el.trigger('onBeforePrevSlide.lg', [_this.index, fromTouch]);
                    _this.slide(_this.index, fromTouch, false);
                } else if (_this.s.slideEndAnimatoin) {
                    _this.$outer.addClass('lg-left-end');
                    setTimeout(function() {
                        _this.$outer.removeClass('lg-left-end');
                    }, 400);
                }
            }
        }
    };

    Plugin.prototype.keyPress = function() {
        var _this = this;
        if (this.$items.length > 1) {
            $(window).on('keyup.lg', function(e) {
                if (_this.$items.length > 1) {
                    if (e.keyCode === 37) {
                        e.preventDefault();
                        _this.goToPrevSlide();
                    }

                    if (e.keyCode === 39) {
                        e.preventDefault();
                        _this.goToNextSlide();
                    }
                }
            });
        }

        $(window).on('keydown.lg', function(e) {
            if (_this.s.escKey === true && e.keyCode === 27) {
                e.preventDefault();
                if (!_this.$outer.hasClass('lg-thumb-open')) {
                    _this.destroy();
                } else {
                    _this.$outer.removeClass('lg-thumb-open');
                }
            }
        });
    };

    Plugin.prototype.arrow = function() {
        var _this = this;
        this.$outer.find('.lg-prev').on('click.lg', function() {
            _this.goToPrevSlide();
        });

        this.$outer.find('.lg-next').on('click.lg', function() {
            _this.goToNextSlide();
        });
    };

    Plugin.prototype.arrowDisable = function(index) {

        // Disable arrows if s.hideControlOnEnd is true
        if (!this.s.loop && this.s.hideControlOnEnd) {
            if ((index + 1) < this.$slide.length) {
                this.$outer.find('.lg-next').removeAttr('disabled').removeClass('disabled');
            } else {
                this.$outer.find('.lg-next').attr('disabled', 'disabled').addClass('disabled');
            }

            if (index > 0) {
                this.$outer.find('.lg-prev').removeAttr('disabled').removeClass('disabled');
            } else {
                this.$outer.find('.lg-prev').attr('disabled', 'disabled').addClass('disabled');
            }
        }
    };

    Plugin.prototype.setTranslate = function($el, xValue, yValue) {
        // jQuery supports Automatic CSS prefixing since jQuery 1.8.0
        if (this.s.useLeft) {
            $el.css('left', xValue);
        } else {
            $el.css({
                transform: 'translate3d(' + (xValue) + 'px, ' + yValue + 'px, 0px)'
            });
        }
    };

    Plugin.prototype.touchMove = function(startCoords, endCoords) {

        var distance = endCoords - startCoords;

        if (Math.abs(distance) > 15) {
            // reset opacity and transition duration
            this.$outer.addClass('lg-dragging');

            // move current slide
            this.setTranslate(this.$slide.eq(this.index), distance, 0);

            // move next and prev slide with current slide
            this.setTranslate($('.lg-prev-slide'), -this.$slide.eq(this.index).width() + distance, 0);
            this.setTranslate($('.lg-next-slide'), this.$slide.eq(this.index).width() + distance, 0);
        }
    };

    Plugin.prototype.touchEnd = function(distance) {
        var _this = this;

        // keep slide animation for any mode while dragg/swipe
        if (_this.s.mode !== 'lg-slide') {
            _this.$outer.addClass('lg-slide');
        }

        this.$slide.not('.lg-current, .lg-prev-slide, .lg-next-slide').css('opacity', '0');

        // set transition duration
        setTimeout(function() {
            _this.$outer.removeClass('lg-dragging');
            if ((distance < 0) && (Math.abs(distance) > _this.s.swipeThreshold)) {
                _this.goToNextSlide(true);
            } else if ((distance > 0) && (Math.abs(distance) > _this.s.swipeThreshold)) {
                _this.goToPrevSlide(true);
            } else if (Math.abs(distance) < 5) {

                // Trigger click if distance is less than 5 pix
                _this.$el.trigger('onSlideClick.lg');
            }

            _this.$slide.removeAttr('style');
        });

        // remove slide class once drag/swipe is completed if mode is not slide
        setTimeout(function() {
            if (!_this.$outer.hasClass('lg-dragging') && _this.s.mode !== 'lg-slide') {
                _this.$outer.removeClass('lg-slide');
            }
        }, _this.s.speed + 100);

    };

    Plugin.prototype.enableSwipe = function() {
        var _this = this;
        var startCoords = 0;
        var endCoords = 0;
        var isMoved = false;

        if (_this.s.enableSwipe && _this.isTouch && _this.doCss()) {

            _this.$slide.on('touchstart.lg', function(e) {
                if (!_this.$outer.hasClass('lg-zoomed') && !_this.lgBusy) {
                    e.preventDefault();
                    _this.manageSwipeClass();
                    startCoords = e.originalEvent.targetTouches[0].pageX;
                }
            });

            _this.$slide.on('touchmove.lg', function(e) {
                if (!_this.$outer.hasClass('lg-zoomed')) {
                    e.preventDefault();
                    endCoords = e.originalEvent.targetTouches[0].pageX;
                    _this.touchMove(startCoords, endCoords);
                    isMoved = true;
                }
            });

            _this.$slide.on('touchend.lg', function() {
                if (!_this.$outer.hasClass('lg-zoomed')) {
                    if (isMoved) {
                        isMoved = false;
                        _this.touchEnd(endCoords - startCoords);
                    } else {
                        _this.$el.trigger('onSlideClick.lg');
                    }
                }
            });
        }

    };

    Plugin.prototype.enableDrag = function() {
        var _this = this;
        var startCoords = 0;
        var endCoords = 0;
        var isDraging = false;
        var isMoved = false;
        if (_this.s.enableDrag && !_this.isTouch && _this.doCss()) {
            _this.$slide.on('mousedown.lg', function(e) {
                // execute only on .lg-object
                if (!_this.$outer.hasClass('lg-zoomed')) {
                    if ($(e.target).hasClass('lg-object') || $(e.target).hasClass('lg-video-play')) {
                        e.preventDefault();

                        if (!_this.lgBusy) {
                            _this.manageSwipeClass();
                            startCoords = e.pageX;
                            isDraging = true;

                            // ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
                            _this.$outer.scrollLeft += 1;
                            _this.$outer.scrollLeft -= 1;

                            // *

                            _this.$outer.removeClass('lg-grab').addClass('lg-grabbing');

                            _this.$el.trigger('onDragstart.lg');
                        }

                    }
                }
            });

            $(window).on('mousemove.lg', function(e) {
                if (isDraging) {
                    isMoved = true;
                    endCoords = e.pageX;
                    _this.touchMove(startCoords, endCoords);
                    _this.$el.trigger('onDragmove.lg');
                }
            });

            $(window).on('mouseup.lg', function(e) {
                if (isMoved) {
                    isMoved = false;
                    _this.touchEnd(endCoords - startCoords);
                    _this.$el.trigger('onDragend.lg');
                } else if ($(e.target).hasClass('lg-object') || $(e.target).hasClass('lg-video-play')) {
                    _this.$el.trigger('onSlideClick.lg');
                }

                // Prevent execution on click
                if (isDraging) {
                    isDraging = false;
                    _this.$outer.removeClass('lg-grabbing').addClass('lg-grab');
                }
            });

        }
    };

    Plugin.prototype.manageSwipeClass = function() {
        var touchNext = this.index + 1;
        var touchPrev = this.index - 1;
        var length = this.$slide.length;
        if (this.s.loop) {
            if (this.index === 0) {
                touchPrev = length - 1;
            } else if (this.index === length - 1) {
                touchNext = 0;
            }
        }

        this.$slide.removeClass('lg-next-slide lg-prev-slide');
        if (touchPrev > -1) {
            this.$slide.eq(touchPrev).addClass('lg-prev-slide');
        }

        this.$slide.eq(touchNext).addClass('lg-next-slide');
    };

    Plugin.prototype.mousewheel = function() {
        var _this = this;
        _this.$outer.on('mousewheel.lg', function(e) {

            if (!e.deltaY) {
                return;
            }

            if (e.deltaY > 0) {
                _this.goToPrevSlide();
            } else {
                _this.goToNextSlide();
            }

            e.preventDefault();
        });

    };

    Plugin.prototype.closeGallery = function() {

        var _this = this;
        var mousedown = false;
        this.$outer.find('.lg-close').on('click.lg', function() {
            _this.destroy();
        });

        if (_this.s.closable) {

            // If you drag the slide and release outside gallery gets close on chrome
            // for preventing this check mousedown and mouseup happened on .lg-item or lg-outer
            _this.$outer.on('mousedown.lg', function(e) {

                if ($(e.target).is('.lg-outer') || $(e.target).is('.lg-item ') || $(e.target).is('.lg-img-wrap')) {
                    mousedown = true;
                } else {
                    mousedown = false;
                }

            });

            _this.$outer.on('mouseup.lg', function(e) {

                if ($(e.target).is('.lg-outer') || $(e.target).is('.lg-item ') || $(e.target).is('.lg-img-wrap') && mousedown) {
                    if (!_this.$outer.hasClass('lg-dragging')) {
                        _this.destroy();
                    }
                }

            });

        }

    };

    Plugin.prototype.destroy = function(d) {

        var _this = this;

        if (!d) {
            _this.$el.trigger('onBeforeClose.lg');
        }

        $(window).scrollTop(_this.prevScrollTop);

        /**
         * if d is false or undefined destroy will only close the gallery
         * plugins instance remains with the element
         *
         * if d is true destroy will completely remove the plugin
         */

        if (d) {
            if (!_this.s.dynamic) {
                // only when not using dynamic mode is $items a jquery collection
                this.$items.off('click.lg click.lgcustom');
            }

            $.removeData(_this.el, 'lightGallery');
        }

        // Unbind all events added by lightGallery
        this.$el.off('.lg.tm');

        // Distroy all lightGallery modules
        $.each($.fn.lightGallery.modules, function(key) {
            if (_this.modules[key]) {
                _this.modules[key].destroy();
            }
        });

        this.lGalleryOn = false;

        clearTimeout(_this.hideBartimeout);
        this.hideBartimeout = false;
        $(window).off('.lg');
        $('body').removeClass('lg-on lg-from-hash');

        if (_this.$outer) {
            _this.$outer.removeClass('lg-visible');
        }

        $('.lg-backdrop').removeClass('in');

        setTimeout(function() {
            if (_this.$outer) {
                _this.$outer.remove();
            }

            $('.lg-backdrop').remove();

            if (!d) {
                _this.$el.trigger('onCloseAfter.lg');
            }

        }, _this.s.backdropDuration + 50);
    };

    $.fn.lightGallery = function(options) {
        return this.each(function() {
            if (!$.data(this, 'lightGallery')) {
                $.data(this, 'lightGallery', new Plugin(this, options));
            } else {
                try {
                    $(this).data('lightGallery').init();
                } catch (err) {
                    console.error('lightGallery has not initiated properly');
                }
            }
        });
    };

    $.fn.lightGallery.modules = {};

})(jQuery, window, document);

/**
 * Autoplay Plugin
 * @version 1.2.0
 * @author Sachin N - @sachinchoolur
 * @license MIT License (MIT)
 */

(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        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(element) {

        this.core = $(element).data('lightGallery');

        this.$el = $(element);

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

        this.core.s = $.extend({}, defaults, 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.find('.lg').append('<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
        _this.$el.on('onDragstart.lg.tm touchstart.lg.tm', function() {
            if (_this.interval) {
                _this.cancelAuto();
                _this.canceledOnTouch = true;
            }
        });

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

    };

    Autoplay.prototype.progress = function() {

        var _this = this;
        var _$progressBar;
        var _$progress;

        _this.$el.on('onBeforeSlide.lg.tm', function() {

            // start progress bar animation
            if (_this.core.s.progressBar && _this.fromAuto) {
                _$progressBar = _this.core.$outer.find('.lg-progress-bar');
                _$progress = _this.core.$outer.find('.lg-progress');
                if (_this.interval) {
                    _$progress.removeAttr('style');
                    _$progressBar.removeClass('lg-start');
                    setTimeout(function() {
                        _$progress.css('transition', 'width ' + (_this.core.s.speed + _this.core.s.pause) + 'ms ease 0s');
                        _$progressBar.addClass('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 = '<span class="lg-autoplay-button lg-icon"></span>';

        // Append autoplay controls
        $(this.core.s.appendAutoplayControlsTo).append(_html);

        _this.core.$outer.find('.lg-autoplay-button').on('click.lg', function() {
            if ($(_this.core.$outer).hasClass('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;

        _this.core.$outer.find('.lg-progress').css('transition', 'width ' + (_this.core.s.speed + _this.core.s.pause) + 'ms ease 0s');
        _this.core.$outer.addClass('lg-show-autoplay');
        _this.core.$outer.find('.lg-progress-bar').addClass('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;
        this.core.$outer.find('.lg-progress').removeAttr('style');
        this.core.$outer.removeClass('lg-show-autoplay');
        this.core.$outer.find('.lg-progress-bar').removeClass('lg-start');
    };

    Autoplay.prototype.destroy = function() {

        this.cancelAuto();
        this.core.$outer.find('.lg-progress-bar').remove();
    };

    $.fn.lightGallery.modules.autoplay = Autoplay;

})(jQuery, window, document);

(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        fullScreen: true
    };

    var Fullscreen = function(element) {

        // get lightGallery core plugin data
        this.core = $(element).data('lightGallery');

        this.$el = $(element);

        // extend module defalut settings with lightGallery core settings
        this.core.s = $.extend({}, defaults, this.core.s);

        this.init();

        return this;
    };

    Fullscreen.prototype.init = function() {
        var fullScreen = '';
        if (this.core.s.fullScreen) {

            // check for fullscreen browser support
            if (!document.fullscreenEnabled && !document.webkitFullscreenEnabled &&
                !document.mozFullScreenEnabled && !document.msFullscreenEnabled) {
                return;
            } else {
                fullScreen = '<span class="lg-fullscreen lg-icon"></span>';
                this.core.$outer.find('.lg-toolbar').append(fullScreen);
                this.fullScreen();
            }
        }
    };

    Fullscreen.prototype.requestFullscreen = function() {
        var el = document.documentElement;
        if (el.requestFullscreen) {
            el.requestFullscreen();
        } else if (el.msRequestFullscreen) {
            el.msRequestFullscreen();
        } else if (el.mozRequestFullScreen) {
            el.mozRequestFullScreen();
        } else if (el.webkitRequestFullscreen) {
            el.webkitRequestFullscreen();
        }
    };

    Fullscreen.prototype.exitFullscreen = function() {
        if (document.exitFullscreen) {
            document.exitFullscreen();
        } else if (document.msExitFullscreen) {
            document.msExitFullscreen();
        } else if (document.mozCancelFullScreen) {
            document.mozCancelFullScreen();
        } else if (document.webkitExitFullscreen) {
            document.webkitExitFullscreen();
        }
    };

    // https://developer.mozilla.org/en-US/docs/Web/Guide/API/DOM/Using_full_screen_mode
    Fullscreen.prototype.fullScreen = function() {
        var _this = this;

        $(document).on('fullscreenchange.lg webkitfullscreenchange.lg mozfullscreenchange.lg MSFullscreenChange.lg', function() {
            _this.core.$outer.toggleClass('lg-fullscreen-on');
        });

        this.core.$outer.find('.lg-fullscreen').on('click.lg', function() {
            if (!document.fullscreenElement &&
                !document.mozFullScreenElement && !document.webkitFullscreenElement && !document.msFullscreenElement) {
                _this.requestFullscreen();
            } else {
                _this.exitFullscreen();
            }
        });

    };

    Fullscreen.prototype.destroy = function() {

        // exit from fullscreen if activated
        this.exitFullscreen();

        $(document).off('fullscreenchange.lg webkitfullscreenchange.lg mozfullscreenchange.lg MSFullscreenChange.lg');
    };

    $.fn.lightGallery.modules.fullscreen = Fullscreen;

})(jQuery, window, document);

(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        pager: false
    };

    var Pager = function(element) {

        this.core = $(element).data('lightGallery');

        this.$el = $(element);
        this.core.s = $.extend({}, defaults, this.core.s);
        if (this.core.s.pager && this.core.$items.length > 1) {
            this.init();
        }

        return this;
    };

    Pager.prototype.init = function() {
        var _this = this;
        var pagerList = '';
        var $pagerCont;
        var $pagerOuter;
        var timeout;

        _this.core.$outer.find('.lg').append('<div class="lg-pager-outer"></div>');

        if (_this.core.s.dynamic) {
            for (var i = 0; i < _this.core.s.dynamicEl.length; i++) {
                pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + _this.core.s.dynamicEl[i].thumb + '" /></div></span>';
            }
        } else {
            _this.core.$items.each(function() {

                if (!_this.core.s.exThumbImage) {
                    pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + $(this).find('img').attr('src') + '" /></div></span>';
                } else {
                    pagerList += '<span class="lg-pager-cont"> <span class="lg-pager"></span><div class="lg-pager-thumb-cont"><span class="lg-caret"></span> <img src="' + $(this).attr(_this.core.s.exThumbImage) + '" /></div></span>';
                }

            });
        }

        $pagerOuter = _this.core.$outer.find('.lg-pager-outer');

        $pagerOuter.html(pagerList);

        $pagerCont = _this.core.$outer.find('.lg-pager-cont');
        $pagerCont.on('click.lg touchend.lg', function() {
            var _$this = $(this);
            _this.core.index = _$this.index();
            _this.core.slide(_this.core.index, false, false);
        });

        $pagerOuter.on('mouseover.lg', function() {
            clearTimeout(timeout);
            $pagerOuter.addClass('lg-pager-hover');
        });

        $pagerOuter.on('mouseout.lg', function() {
            timeout = setTimeout(function() {
                $pagerOuter.removeClass('lg-pager-hover');
            });
        });

        _this.core.$el.on('onBeforeSlide.lg.tm', function(e, prevIndex, index) {
            $pagerCont.removeClass('lg-pager-active');
            $pagerCont.eq(index).addClass('lg-pager-active');
        });

    };

    Pager.prototype.destroy = function() {

    };

    $.fn.lightGallery.modules.pager = Pager;

})(jQuery, window, document);

(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        thumbnail: true,

        animateThumb: true,
        currentPagerPosition: 'middle',

        thumbWidth: 100,
        thumbContHeight: 100,
        thumbMargin: 5,

        exThumbImage: false,
        showThumbByDefault: true,
        toogleThumb: true,
        pullCaptionUp: true,

        enableThumbDrag: true,
        enableThumbSwipe: true,
        swipeThreshold: 50,

        loadYoutubeThumbnail: true,
        youtubeThumbSize: 1,

        loadVimeoThumbnail: true,
        vimeoThumbSize: 'thumbnail_small',

        loadDailymotionThumbnail: true
    };

    var Thumbnail = function(element) {

        // get lightGallery core plugin data
        this.core = $(element).data('lightGallery');

        // extend module default settings with lightGallery core settings
        this.core.s = $.extend({}, defaults, this.core.s);

        this.$el = $(element);
        this.$thumbOuter = null;
        this.thumbOuterWidth = 0;
        this.thumbTotalWidth = (this.core.$items.length * (this.core.s.thumbWidth + this.core.s.thumbMargin));
        this.thumbIndex = this.core.index;

        // Thumbnail animation value
        this.left = 0;

        this.init();

        return this;
    };

    Thumbnail.prototype.init = function() {
        var _this = this;
        if (this.core.s.thumbnail && this.core.$items.length > 1) {
            if (this.core.s.showThumbByDefault) {
                setTimeout(function(){
                    _this.core.$outer.addClass('lg-thumb-open');
                }, 700);
            }

            if (this.core.s.pullCaptionUp) {
                this.core.$outer.addClass('lg-pull-caption-up');
            }

            this.build();
            if (this.core.s.animateThumb) {
                if (this.core.s.enableThumbDrag && !this.core.isTouch && this.core.doCss()) {
                    this.enableThumbDrag();
                }

                if (this.core.s.enableThumbSwipe && this.core.isTouch && this.core.doCss()) {
                    this.enableThumbSwipe();
                }

                this.thumbClickable = false;
            } else {
                this.thumbClickable = true;
            }

            this.toogle();
            this.thumbkeyPress();
        }
    };

    Thumbnail.prototype.build = function() {
        var _this = this;
        var thumbList = '';
        var vimeoErrorThumbSize = '';
        var $thumb;
        var html = '<div class="lg-thumb-outer">' +
            '<div class="lg-thumb group">' +
            '</div>' +
            '</div>';

        switch (this.core.s.vimeoThumbSize) {
            case 'thumbnail_large':
                vimeoErrorThumbSize = '640';
                break;
            case 'thumbnail_medium':
                vimeoErrorThumbSize = '200x150';
                break;
            case 'thumbnail_small':
                vimeoErrorThumbSize = '100x75';
        }

        _this.core.$outer.addClass('lg-has-thumb');

        _this.core.$outer.find('.lg').append(html);

        _this.$thumbOuter = _this.core.$outer.find('.lg-thumb-outer');
        _this.thumbOuterWidth = _this.$thumbOuter.width();

        if (_this.core.s.animateThumb) {
            _this.core.$outer.find('.lg-thumb').css({
                width: _this.thumbTotalWidth + 'px',
                position: 'relative'
            });
        }

        if (this.core.s.animateThumb) {
            _this.$thumbOuter.css('height', _this.core.s.thumbContHeight + 'px');
        }

        function getThumb(src, thumb, index) {
            var isVideo = _this.core.isVideo(src, index) || {};
            var thumbImg;
            var vimeoId = '';

            if (isVideo.youtube || isVideo.vimeo || isVideo.dailymotion) {
                if (isVideo.youtube) {
                    if (_this.core.s.loadYoutubeThumbnail) {
                        thumbImg = '//img.youtube.com/vi/' + isVideo.youtube[1] + '/' + _this.core.s.youtubeThumbSize + '.jpg';
                    } else {
                        thumbImg = thumb;
                    }
                } else if (isVideo.vimeo) {
                    if (_this.core.s.loadVimeoThumbnail) {
                        thumbImg = '//i.vimeocdn.com/video/error_' + vimeoErrorThumbSize + '.jpg';
                        vimeoId = isVideo.vimeo[1];
                    } else {
                        thumbImg = thumb;
                    }
                } else if (isVideo.dailymotion) {
                    if (_this.core.s.loadDailymotionThumbnail) {
                        thumbImg = '//www.dailymotion.com/thumbnail/video/' + isVideo.dailymotion[1];
                    } else {
                        thumbImg = thumb;
                    }
                }
            } else {
                thumbImg = thumb;
            }

            thumbList += '<div data-vimeo-id="' + vimeoId + '" class="lg-thumb-item" style="width:' + _this.core.s.thumbWidth + 'px; margin-right: ' + _this.core.s.thumbMargin + 'px"><img src="' + thumbImg + '" /></div>';
            vimeoId = '';
        }

        if (_this.core.s.dynamic) {
            for (var i = 0; i < _this.core.s.dynamicEl.length; i++) {
                getThumb(_this.core.s.dynamicEl[i].src, _this.core.s.dynamicEl[i].thumb, i);
            }
        } else {
            _this.core.$items.each(function(i) {

                if (!_this.core.s.exThumbImage) {
                    getThumb($(this).attr('href') || $(this).attr('data-src'), $(this).find('img').attr('src'), i);
                } else {
                    getThumb($(this).attr('href') || $(this).attr('data-src'), $(this).attr(_this.core.s.exThumbImage), i);
                }

            });
        }

        _this.core.$outer.find('.lg-thumb').html(thumbList);

        $thumb = _this.core.$outer.find('.lg-thumb-item');

        // Load vimeo thumbnails
        $thumb.each(function() {
            var $this = $(this);
            var vimeoVideoId = $this.attr('data-vimeo-id');

            if (vimeoVideoId) {
                $.getJSON('//www.vimeo.com/api/v2/video/' + vimeoVideoId + '.json?callback=?', {
                    format: 'json'
                }, function(data) {
                    $this.find('img').attr('src', data[0][_this.core.s.vimeoThumbSize]);
                });
            }
        });

        // manage active class for thumbnail
        $thumb.eq(_this.core.index).addClass('active');
        _this.core.$el.on('onBeforeSlide.lg.tm', function() {
            $thumb.removeClass('active');
            $thumb.eq(_this.core.index).addClass('active');
        });

        $thumb.on('click.lg touchend.lg', function() {
            var _$this = $(this);
            setTimeout(function() {

                // In IE9 and bellow touch does not support
                // Go to slide if browser does not support css transitions
                if ((_this.thumbClickable && !_this.core.lgBusy) || !_this.core.doCss()) {
                    _this.core.index = _$this.index();
                    _this.core.slide(_this.core.index, false, true);
                }
            }, 50);
        });

        _this.core.$el.on('onBeforeSlide.lg.tm', function() {
            _this.animateThumb(_this.core.index);
        });

        $(window).on('resize.lg.thumb orientationchange.lg.thumb', function() {
            setTimeout(function() {
                _this.animateThumb(_this.core.index);
                _this.thumbOuterWidth = _this.$thumbOuter.width();
            }, 200);
        });

    };

    Thumbnail.prototype.setTranslate = function(value) {
        // jQuery supports Automatic CSS prefixing since jQuery 1.8.0
        this.core.$outer.find('.lg-thumb').css({
            transform: 'translate3d(-' + (value) + 'px, 0px, 0px)'
        });
    };

    Thumbnail.prototype.animateThumb = function(index) {
        var $thumb = this.core.$outer.find('.lg-thumb');
        if (this.core.s.animateThumb) {
            var position;
            switch (this.core.s.currentPagerPosition) {
                case 'left':
                    position = 0;
                    break;
                case 'middle':
                    position = (this.thumbOuterWidth / 2) - (this.core.s.thumbWidth / 2);
                    break;
                case 'right':
                    position = this.thumbOuterWidth - this.core.s.thumbWidth;
            }
            this.left = ((this.core.s.thumbWidth + this.core.s.thumbMargin) * index - 1) - position;
            if (this.left > (this.thumbTotalWidth - this.thumbOuterWidth)) {
                this.left = this.thumbTotalWidth - this.thumbOuterWidth;
            }

            if (this.left < 0) {
                this.left = 0;
            }

            if (this.core.lGalleryOn) {
                if (!$thumb.hasClass('on')) {
                    this.core.$outer.find('.lg-thumb').css('transition-duration', this.core.s.speed + 'ms');
                }

                if (!this.core.doCss()) {
                    $thumb.animate({
                        left: -this.left + 'px'
                    }, this.core.s.speed);
                }
            } else {
                if (!this.core.doCss()) {
                    $thumb.css('left', -this.left + 'px');
                }
            }

            this.setTranslate(this.left);

        }
    };

    // Enable thumbnail dragging and swiping
    Thumbnail.prototype.enableThumbDrag = function() {

        var _this = this;
        var startCoords = 0;
        var endCoords = 0;
        var isDraging = false;
        var isMoved = false;
        var tempLeft = 0;

        _this.$thumbOuter.addClass('lg-grab');

        _this.core.$outer.find('.lg-thumb').on('mousedown.lg.thumb', function(e) {
            if (_this.thumbTotalWidth > _this.thumbOuterWidth) {
                // execute only on .lg-object
                e.preventDefault();
                startCoords = e.pageX;
                isDraging = true;

                // ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
                _this.core.$outer.scrollLeft += 1;
                _this.core.$outer.scrollLeft -= 1;

                // *
                _this.thumbClickable = false;
                _this.$thumbOuter.removeClass('lg-grab').addClass('lg-grabbing');
            }
        });

        $(window).on('mousemove.lg.thumb', function(e) {
            if (isDraging) {
                tempLeft = _this.left;
                isMoved = true;
                endCoords = e.pageX;

                _this.$thumbOuter.addClass('lg-dragging');

                tempLeft = tempLeft - (endCoords - startCoords);

                if (tempLeft > (_this.thumbTotalWidth - _this.thumbOuterWidth)) {
                    tempLeft = _this.thumbTotalWidth - _this.thumbOuterWidth;
                }

                if (tempLeft < 0) {
                    tempLeft = 0;
                }

                // move current slide
                _this.setTranslate(tempLeft);

            }
        });

        $(window).on('mouseup.lg.thumb', function() {
            if (isMoved) {
                isMoved = false;
                _this.$thumbOuter.removeClass('lg-dragging');

                _this.left = tempLeft;

                if (Math.abs(endCoords - startCoords) < _this.core.s.swipeThreshold) {
                    _this.thumbClickable = true;
                }

            } else {
                _this.thumbClickable = true;
            }

            if (isDraging) {
                isDraging = false;
                _this.$thumbOuter.removeClass('lg-grabbing').addClass('lg-grab');
            }
        });

    };

    Thumbnail.prototype.enableThumbSwipe = function() {
        var _this = this;
        var startCoords = 0;
        var endCoords = 0;
        var isMoved = false;
        var tempLeft = 0;

        _this.core.$outer.find('.lg-thumb').on('touchstart.lg', function(e) {
            if (_this.thumbTotalWidth > _this.thumbOuterWidth) {
                e.preventDefault();
                startCoords = e.originalEvent.targetTouches[0].pageX;
                _this.thumbClickable = false;
            }
        });

        _this.core.$outer.find('.lg-thumb').on('touchmove.lg', function(e) {
            if (_this.thumbTotalWidth > _this.thumbOuterWidth) {
                e.preventDefault();
                endCoords = e.originalEvent.targetTouches[0].pageX;
                isMoved = true;

                _this.$thumbOuter.addClass('lg-dragging');

                tempLeft = _this.left;

                tempLeft = tempLeft - (endCoords - startCoords);

                if (tempLeft > (_this.thumbTotalWidth - _this.thumbOuterWidth)) {
                    tempLeft = _this.thumbTotalWidth - _this.thumbOuterWidth;
                }

                if (tempLeft < 0) {
                    tempLeft = 0;
                }

                // move current slide
                _this.setTranslate(tempLeft);

            }
        });

        _this.core.$outer.find('.lg-thumb').on('touchend.lg', function() {
            if (_this.thumbTotalWidth > _this.thumbOuterWidth) {

                if (isMoved) {
                    isMoved = false;
                    _this.$thumbOuter.removeClass('lg-dragging');
                    if (Math.abs(endCoords - startCoords) < _this.core.s.swipeThreshold) {
                        _this.thumbClickable = true;
                    }

                    _this.left = tempLeft;
                } else {
                    _this.thumbClickable = true;
                }
            } else {
                _this.thumbClickable = true;
            }
        });

    };

    Thumbnail.prototype.toogle = function() {
        var _this = this;
        if (_this.core.s.toogleThumb) {
            _this.core.$outer.addClass('lg-can-toggle');
            _this.$thumbOuter.append('<span class="lg-toogle-thumb lg-icon"></span>');
            _this.core.$outer.find('.lg-toogle-thumb').on('click.lg', function() {
                _this.core.$outer.toggleClass('lg-thumb-open');
            });
        }
    };

    Thumbnail.prototype.thumbkeyPress = function() {
        var _this = this;
        $(window).on('keydown.lg.thumb', function(e) {
            if (e.keyCode === 38) {
                e.preventDefault();
                _this.core.$outer.addClass('lg-thumb-open');
            } else if (e.keyCode === 40) {
                e.preventDefault();
                _this.core.$outer.removeClass('lg-thumb-open');
            }
        });
    };

    Thumbnail.prototype.destroy = function() {
        if (this.core.s.thumbnail && this.core.$items.length > 1) {
            $(window).off('resize.lg.thumb orientationchange.lg.thumb keydown.lg.thumb');
            this.$thumbOuter.remove();
            this.core.$outer.removeClass('lg-has-thumb');
        }
    };

    $.fn.lightGallery.modules.Thumbnail = Thumbnail;

})(jQuery, window, document);

(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        videoMaxWidth: '855px',
        youtubePlayerParams: false,
        vimeoPlayerParams: false,
        dailymotionPlayerParams: false,
        vkPlayerParams: false,
        videojs: false,
        videojsOptions: {}
    };

    var Video = function(element) {

        this.core = $(element).data('lightGallery');

        this.$el = $(element);
        this.core.s = $.extend({}, defaults, this.core.s);
        this.videoLoaded = false;

        this.init();

        return this;
    };

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

        // Event triggered when video url found without poster
        _this.core.$el.on('hasVideo.lg.tm', function(event, index, src, html) {
            _this.core.$slide.eq(index).find('.lg-video').append(_this.loadVideo(src, 'lg-object', true, index, html));
            if (html) {
                if (_this.core.s.videojs) {
                    try {
                        videojs(_this.core.$slide.eq(index).find('.lg-html5').get(0), _this.core.s.videojsOptions, function() {
                            if (!_this.videoLoaded) {
                                this.play();
                            }
                        });
                    } catch (e) {
                        console.error('Make sure you have included videojs');
                    }
                } else {
                    _this.core.$slide.eq(index).find('.lg-html5').get(0).play();
                }
            }
        });

        // Set max width for video
        _this.core.$el.on('onAferAppendSlide.lg.tm', function(event, index) {
            _this.core.$slide.eq(index).find('.lg-video-cont').css('max-width', _this.core.s.videoMaxWidth);
            _this.videoLoaded = true;
        });

        var loadOnClick = function($el) {
            // check slide has poster
            if ($el.find('.lg-object').hasClass('lg-has-poster') && $el.find('.lg-object').is(':visible')) {

                // check already video element present
                if (!$el.hasClass('lg-has-video')) {

                    $el.addClass('lg-video-playing lg-has-video');

                    var _src;
                    var _html;
                    var _loadVideo = function(_src, _html) {

                        $el.find('.lg-video').append(_this.loadVideo(_src, '', false, _this.core.index, _html));

                        if (_html) {
                            if (_this.core.s.videojs) {
                                try {
                                    videojs(_this.core.$slide.eq(_this.core.index).find('.lg-html5').get(0), _this.core.s.videojsOptions, function() {
                                        this.play();
                                    });
                                } catch (e) {
                                    console.error('Make sure you have included videojs');
                                }
                            } else {
                                _this.core.$slide.eq(_this.core.index).find('.lg-html5').get(0).play();
                            }
                        }

                    };

                    if (_this.core.s.dynamic) {

                        _src = _this.core.s.dynamicEl[_this.core.index].src;
                        _html = _this.core.s.dynamicEl[_this.core.index].html;

                        _loadVideo(_src, _html);

                    } else {

                        _src = _this.core.$items.eq(_this.core.index).attr('href') || _this.core.$items.eq(_this.core.index).attr('data-src');
                        _html = _this.core.$items.eq(_this.core.index).attr('data-html');

                        _loadVideo(_src, _html);

                    }

                    var $tempImg = $el.find('.lg-object');
                    $el.find('.lg-video').append($tempImg);

                    // @todo loading icon for html5 videos also
                    // for showing the loading indicator while loading video
                    if (!$el.find('.lg-video-object').hasClass('lg-html5')) {
                        $el.removeClass('lg-complete');
                        $el.find('.lg-video-object').on('load.lg error.lg', function() {
                            $el.addClass('lg-complete');
                        });
                    }

                } else {

                    var youtubePlayer = $el.find('.lg-youtube').get(0);
                    var vimeoPlayer = $el.find('.lg-vimeo').get(0);
                    var dailymotionPlayer = $el.find('.lg-dailymotion').get(0);
                    var html5Player = $el.find('.lg-html5').get(0);
                    if (youtubePlayer) {
                        youtubePlayer.contentWindow.postMessage('{"event":"command","func":"playVideo","args":""}', '*');
                    } else if (vimeoPlayer) {
                        try {
                            $f(vimeoPlayer).api('play');
                        } catch (e) {
                            console.error('Make sure you have included froogaloop2 js');
                        }
                    } else if (dailymotionPlayer) {
                        dailymotionPlayer.contentWindow.postMessage('play', '*');

                    } else if (html5Player) {
                        if (_this.core.s.videojs) {
                            try {
                                videojs(html5Player).play();
                            } catch (e) {
                                console.error('Make sure you have included videojs');
                            }
                        } else {
                            html5Player.play();
                        }
                    }

                    $el.addClass('lg-video-playing');

                }
            }
        };

        if (_this.core.doCss() && _this.core.$items.length > 1 && ((_this.core.s.enableSwipe && _this.core.isTouch) || (_this.core.s.enableDrag && !_this.core.isTouch))) {
            _this.core.$el.on('onSlideClick.lg.tm', function() {
                var $el = _this.core.$slide.eq(_this.core.index);
                loadOnClick($el);
            });
        } else {

            // For IE 9 and bellow
            _this.core.$slide.on('click.lg', function() {
                loadOnClick($(this));
            });
        }

        _this.core.$el.on('onBeforeSlide.lg.tm', function(event, prevIndex, index) {

            var $videoSlide = _this.core.$slide.eq(prevIndex);
            var youtubePlayer = $videoSlide.find('.lg-youtube').get(0);
            var vimeoPlayer = $videoSlide.find('.lg-vimeo').get(0);
            var dailymotionPlayer = $videoSlide.find('.lg-dailymotion').get(0);
            var vkPlayer = $videoSlide.find('.lg-vk').get(0);
            var html5Player = $videoSlide.find('.lg-html5').get(0);
            if (youtubePlayer) {
                youtubePlayer.contentWindow.postMessage('{"event":"command","func":"pauseVideo","args":""}', '*');
            } else if (vimeoPlayer) {
                try {
                    $f(vimeoPlayer).api('pause');
                } catch (e) {
                    console.error('Make sure you have included froogaloop2 js');
                }
            } else if (dailymotionPlayer) {
                dailymotionPlayer.contentWindow.postMessage('pause', '*');

            } else if (html5Player) {
                if (_this.core.s.videojs) {
                    try {
                        videojs(html5Player).pause();
                    } catch (e) {
                        console.error('Make sure you have included videojs');
                    }
                } else {
                    html5Player.pause();
                }
            } if (vkPlayer) {
                $(vkPlayer).attr('src', $(vkPlayer).attr('src').replace('&autoplay', '&noplay'));
            }

            var _src;
            if (_this.core.s.dynamic) {
                _src = _this.core.s.dynamicEl[index].src;
            } else {
                _src = _this.core.$items.eq(index).attr('href') || _this.core.$items.eq(index).attr('data-src');

            }

            var _isVideo = _this.core.isVideo(_src, index) || {};
            if (_isVideo.youtube || _isVideo.vimeo || _isVideo.dailymotion || _isVideo.vk) {
                _this.core.$outer.addClass('lg-hide-download');
            }

            //$videoSlide.addClass('lg-complete');

        });

        _this.core.$el.on('onAfterSlide.lg.tm', function(event, prevIndex) {
            _this.core.$slide.eq(prevIndex).removeClass('lg-video-playing');
        });
    };

    Video.prototype.loadVideo = function(src, addClass, noposter, index, html) {
        var video = '';
        var autoplay = 1;
        var a = '';
        var isVideo = this.core.isVideo(src, index) || {};

        // Enable autoplay for first video if poster doesn't exist
        if (noposter) {
            if (this.videoLoaded) {
                autoplay = 0;
            } else {
                autoplay = 1;
            }
        }

        if (isVideo.youtube) {

            a = '?wmode=opaque&autoplay=' + autoplay + '&enablejsapi=1';
            if (this.core.s.youtubePlayerParams) {
                a = a + '&' + $.param(this.core.s.youtubePlayerParams);
            }

            video = '<iframe class="lg-video-object lg-youtube ' + addClass + '" width="560" height="315" src="//www.youtube.com/embed/' + isVideo.youtube[1] + a + '" frameborder="0" allowfullscreen></iframe>';

        } else if (isVideo.vimeo) {

            a = '?autoplay=' + autoplay + '&api=1';
            if (this.core.s.vimeoPlayerParams) {
                a = a + '&' + $.param(this.core.s.vimeoPlayerParams);
            }

            video = '<iframe class="lg-video-object lg-vimeo ' + addClass + '" width="560" height="315"  src="//player.vimeo.com/video/' + isVideo.vimeo[1] + a + '" frameborder="0" webkitAllowFullScreen mozallowfullscreen allowFullScreen></iframe>';

        } else if (isVideo.dailymotion) {

            a = '?wmode=opaque&autoplay=' + autoplay + '&api=postMessage';
            if (this.core.s.dailymotionPlayerParams) {
                a = a + '&' + $.param(this.core.s.dailymotionPlayerParams);
            }

            video = '<iframe class="lg-video-object lg-dailymotion ' + addClass + '" width="560" height="315" src="//www.dailymotion.com/embed/video/' + isVideo.dailymotion[1] + a + '" frameborder="0" allowfullscreen></iframe>';

        } else if (isVideo.html5) {
            var fL = html.substring(0, 1);
            if (fL === '.' || fL === '#') {
                html = $(html).html();
            }

            video = html;

        } else if (isVideo.vk) {

            a = '&autoplay=' + autoplay;
            if (this.core.s.vkPlayerParams) {
                a = a + '&' + $.param(this.core.s.vkPlayerParams);
            }

            video = '<iframe class="lg-video-object lg-vk ' + addClass + '" width="560" height="315" src="http://vk.com/video_ext.php?' + isVideo.vk[1] + a + '" frameborder="0" allowfullscreen></iframe>';

        }

        return video;
    };

    Video.prototype.destroy = function() {
        this.videoLoaded = false;
    };

    $.fn.lightGallery.modules.video = Video;

})(jQuery, window, document);

(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        scale: 1,
        zoom: true,
        actualSize: true,
        enableZoomAfter: 300
    };

    var Zoom = function(element) {

        this.core = $(element).data('lightGallery');

        this.core.s = $.extend({}, defaults, this.core.s);

        if (this.core.s.zoom && this.core.doCss()) {
            this.init();

            // Store the zoomable timeout value just to clear it while closing
            this.zoomabletimeout = false;

            // Set the initial value center
            this.pageX = $(window).width() / 2;
            this.pageY = ($(window).height() / 2) + $(window).scrollTop();
        }

        return this;
    };

    Zoom.prototype.init = function() {

        var _this = this;
        var zoomIcons = '<span id="lg-zoom-in" class="lg-icon"></span><span id="lg-zoom-out" class="lg-icon"></span>';

        if (_this.core.s.actualSize) {
            zoomIcons += '<span id="lg-actual-size" class="lg-icon"></span>';
        }

        this.core.$outer.find('.lg-toolbar').append(zoomIcons);

        // Add zoomable class
        _this.core.$el.on('onSlideItemLoad.lg.tm.zoom', function(event, index, delay) {

            // delay will be 0 except first time
            var _speed = _this.core.s.enableZoomAfter + delay;

            // set _speed value 0 if gallery opened from direct url and if it is first slide
            if ($('body').hasClass('lg-from-hash') && delay) {

                // will execute only once
                _speed = 0;
            } else {

                // Remove lg-from-hash to enable starting animation.
                $('body').removeClass('lg-from-hash');
            }

            _this.zoomabletimeout = setTimeout(function() {
                _this.core.$slide.eq(index).addClass('lg-zoomable');
            }, _speed + 30);
        });

        var scale = 1;
        /**
         * @desc Image zoom
         * Translate the wrap and scale the image to get better user experience
         *
         * @param {String} scaleVal - Zoom decrement/increment value
         */
        var zoom = function(scaleVal) {

            var $image = _this.core.$outer.find('.lg-current .lg-image');
            var _x;
            var _y;

            // Find offset manually to avoid issue after zoom
            var offsetX = ($(window).width() - $image.width()) / 2;
            var offsetY = (($(window).height() - $image.height()) / 2) + $(window).scrollTop();

            _x = _this.pageX - offsetX;
            _y = _this.pageY - offsetY;

            var x = (scaleVal - 1) * (_x);
            var y = (scaleVal - 1) * (_y);

            $image.css('transform', 'scale3d(' + scaleVal + ', ' + scaleVal + ', 1)').attr('data-scale', scaleVal);

            $image.parent().css({
                left: -x + 'px',
                top: -y + 'px'
            }).attr('data-x', x).attr('data-y', y);
        };

        var callScale = function() {
            if (scale > 1) {
                _this.core.$outer.addClass('lg-zoomed');
            } else {
                _this.resetZoom();
            }

            if (scale < 1) {
                scale = 1;
            }

            zoom(scale);
        };

        var actualSize = function(event, $image, index, fromIcon) {
            var w = $image.width();
            var nw;
            if (_this.core.s.dynamic) {
                nw = _this.core.s.dynamicEl[index].width || $image[0].naturalWidth || w;
            } else {
                nw = _this.core.$items.eq(index).attr('data-width') || $image[0].naturalWidth || w;
            }

            var _scale;

            if (_this.core.$outer.hasClass('lg-zoomed')) {
                scale = 1;
            } else {
                if (nw > w) {
                    _scale = nw / w;
                    scale = _scale || 2;
                }
            }

            if (fromIcon) {
                _this.pageX = $(window).width() / 2;
                _this.pageY = ($(window).height() / 2) + $(window).scrollTop();
            } else {
                _this.pageX = event.pageX || event.originalEvent.targetTouches[0].pageX;
                _this.pageY = event.pageY || event.originalEvent.targetTouches[0].pageY;
            }

            callScale();
            setTimeout(function() {
                _this.core.$outer.removeClass('lg-grabbing').addClass('lg-grab');
            }, 10);
        };

        var tapped = false;

        // event triggered after appending slide content
        _this.core.$el.on('onAferAppendSlide.lg.tm.zoom', function(event, index) {

            // Get the current element
            var $image = _this.core.$slide.eq(index).find('.lg-image');

            $image.on('dblclick', function(event) {
                actualSize(event, $image, index);
            });

            $image.on('touchstart', function(event) {
                if (!tapped) {
                    tapped = setTimeout(function() {
                        tapped = null;
                    }, 300);
                } else {
                    clearTimeout(tapped);
                    tapped = null;
                    actualSize(event, $image, index);
                }

                event.preventDefault();
            });

        });

        // Update zoom on resize and orientationchange
        $(window).on('resize.lg.zoom scroll.lg.zoom orientationchange.lg.zoom', function() {
            _this.pageX = $(window).width() / 2;
            _this.pageY = ($(window).height() / 2) + $(window).scrollTop();
            zoom(scale);
        });

        $('#lg-zoom-out').on('click.lg', function() {
            if (_this.core.$outer.find('.lg-current .lg-image').length) {
                scale -= _this.core.s.scale;
                callScale();
            }
        });

        $('#lg-zoom-in').on('click.lg', function() {
            if (_this.core.$outer.find('.lg-current .lg-image').length) {
                scale += _this.core.s.scale;
                callScale();
            }
        });

        $('#lg-actual-size').on('click.lg', function(event) {
            actualSize(event, _this.core.$slide.eq(_this.core.index).find('.lg-image'), _this.core.index, true);
        });

        // Reset zoom on slide change
        _this.core.$el.on('onBeforeSlide.lg.tm', function() {
            scale = 1;
            _this.resetZoom();
        });

        // Drag option after zoom
        if (!_this.core.isTouch) {
            _this.zoomDrag();
        }

        if (_this.core.isTouch) {
            _this.zoomSwipe();
        }

    };

    // Reset zoom effect
    Zoom.prototype.resetZoom = function() {
        this.core.$outer.removeClass('lg-zoomed');
        this.core.$slide.find('.lg-img-wrap').removeAttr('style data-x data-y');
        this.core.$slide.find('.lg-image').removeAttr('style data-scale');

        // Reset pagx pagy values to center
        this.pageX = $(window).width() / 2;
        this.pageY = ($(window).height() / 2) + $(window).scrollTop();
    };

    Zoom.prototype.zoomSwipe = function() {
        var _this = this;
        var startCoords = {};
        var endCoords = {};
        var isMoved = false;

        // Allow x direction drag
        var allowX = false;

        // Allow Y direction drag
        var allowY = false;

        _this.core.$slide.on('touchstart.lg', function(e) {

            if (_this.core.$outer.hasClass('lg-zoomed')) {
                var $image = _this.core.$slide.eq(_this.core.index).find('.lg-object');

                allowY = $image.outerHeight() * $image.attr('data-scale') > _this.core.$outer.find('.lg').height();
                allowX = $image.outerWidth() * $image.attr('data-scale') > _this.core.$outer.find('.lg').width();
                if ((allowX || allowY)) {
                    e.preventDefault();
                    startCoords = {
                        x: e.originalEvent.targetTouches[0].pageX,
                        y: e.originalEvent.targetTouches[0].pageY
                    };
                }
            }

        });

        _this.core.$slide.on('touchmove.lg', function(e) {

            if (_this.core.$outer.hasClass('lg-zoomed')) {

                var _$el = _this.core.$slide.eq(_this.core.index).find('.lg-img-wrap');
                var distanceX;
                var distanceY;

                e.preventDefault();
                isMoved = true;

                endCoords = {
                    x: e.originalEvent.targetTouches[0].pageX,
                    y: e.originalEvent.targetTouches[0].pageY
                };

                // reset opacity and transition duration
                _this.core.$outer.addClass('lg-zoom-dragging');

                if (allowY) {
                    distanceY = (-Math.abs(_$el.attr('data-y'))) + (endCoords.y - startCoords.y);
                } else {
                    distanceY = -Math.abs(_$el.attr('data-y'));
                }

                if (allowX) {
                    distanceX = (-Math.abs(_$el.attr('data-x'))) + (endCoords.x - startCoords.x);
                } else {
                    distanceX = -Math.abs(_$el.attr('data-x'));
                }

                if ((Math.abs(endCoords.x - startCoords.x) > 15) || (Math.abs(endCoords.y - startCoords.y) > 15)) {
                    _$el.css({
                        left: distanceX + 'px',
                        top: distanceY + 'px'
                    });
                }

            }

        });

        _this.core.$slide.on('touchend.lg', function() {
            if (_this.core.$outer.hasClass('lg-zoomed')) {
                if (isMoved) {
                    isMoved = false;
                    _this.core.$outer.removeClass('lg-zoom-dragging');
                    _this.touchendZoom(startCoords, endCoords, allowX, allowY);

                }
            }
        });

    };

    Zoom.prototype.zoomDrag = function() {

        var _this = this;
        var startCoords = {};
        var endCoords = {};
        var isDraging = false;
        var isMoved = false;

        // Allow x direction drag
        var allowX = false;

        // Allow Y direction drag
        var allowY = false;

        _this.core.$slide.on('mousedown.lg.zoom', function(e) {

            // execute only on .lg-object
            var $image = _this.core.$slide.eq(_this.core.index).find('.lg-object');

            allowY = $image.outerHeight() * $image.attr('data-scale') > _this.core.$outer.find('.lg').height();
            allowX = $image.outerWidth() * $image.attr('data-scale') > _this.core.$outer.find('.lg').width();

            if (_this.core.$outer.hasClass('lg-zoomed')) {
                if ($(e.target).hasClass('lg-object') && (allowX || allowY)) {
                    e.preventDefault();
                    startCoords = {
                        x: e.pageX,
                        y: e.pageY
                    };

                    isDraging = true;

                    // ** Fix for webkit cursor issue https://code.google.com/p/chromium/issues/detail?id=26723
                    _this.core.$outer.scrollLeft += 1;
                    _this.core.$outer.scrollLeft -= 1;

                    _this.core.$outer.removeClass('lg-grab').addClass('lg-grabbing');
                }
            }
        });

        $(window).on('mousemove.lg.zoom', function(e) {
            if (isDraging) {
                var _$el = _this.core.$slide.eq(_this.core.index).find('.lg-img-wrap');
                var distanceX;
                var distanceY;

                isMoved = true;
                endCoords = {
                    x: e.pageX,
                    y: e.pageY
                };

                // reset opacity and transition duration
                _this.core.$outer.addClass('lg-zoom-dragging');

                if (allowY) {
                    distanceY = (-Math.abs(_$el.attr('data-y'))) + (endCoords.y - startCoords.y);
                } else {
                    distanceY = -Math.abs(_$el.attr('data-y'));
                }

                if (allowX) {
                    distanceX = (-Math.abs(_$el.attr('data-x'))) + (endCoords.x - startCoords.x);
                } else {
                    distanceX = -Math.abs(_$el.attr('data-x'));
                }

                _$el.css({
                    left: distanceX + 'px',
                    top: distanceY + 'px'
                });
            }
        });

        $(window).on('mouseup.lg.zoom', function(e) {

            if (isDraging) {
                isDraging = false;
                _this.core.$outer.removeClass('lg-zoom-dragging');

                // Fix for chrome mouse move on click
                if (isMoved && ((startCoords.x !== endCoords.x) || (startCoords.y !== endCoords.y))) {
                    endCoords = {
                        x: e.pageX,
                        y: e.pageY
                    };
                    _this.touchendZoom(startCoords, endCoords, allowX, allowY);

                }

                isMoved = false;
            }

            _this.core.$outer.removeClass('lg-grabbing').addClass('lg-grab');

        });
    };

    Zoom.prototype.touchendZoom = function(startCoords, endCoords, allowX, allowY) {

        var _this = this;
        var _$el = _this.core.$slide.eq(_this.core.index).find('.lg-img-wrap');
        var $image = _this.core.$slide.eq(_this.core.index).find('.lg-object');
        var distanceX = (-Math.abs(_$el.attr('data-x'))) + (endCoords.x - startCoords.x);
        var distanceY = (-Math.abs(_$el.attr('data-y'))) + (endCoords.y - startCoords.y);
        var minY = (_this.core.$outer.find('.lg').height() - $image.outerHeight()) / 2;
        var maxY = Math.abs(($image.outerHeight() * Math.abs($image.attr('data-scale'))) - _this.core.$outer.find('.lg').height() + minY);
        var minX = (_this.core.$outer.find('.lg').width() - $image.outerWidth()) / 2;
        var maxX = Math.abs(($image.outerWidth() * Math.abs($image.attr('data-scale'))) - _this.core.$outer.find('.lg').width() + minX);

        if ((Math.abs(endCoords.x - startCoords.x) > 15) || (Math.abs(endCoords.y - startCoords.y) > 15)) {
            if (allowY) {
                if (distanceY <= -maxY) {
                    distanceY = -maxY;
                } else if (distanceY >= -minY) {
                    distanceY = -minY;
                }
            }

            if (allowX) {
                if (distanceX <= -maxX) {
                    distanceX = -maxX;
                } else if (distanceX >= -minX) {
                    distanceX = -minX;
                }
            }

            if (allowY) {
                _$el.attr('data-y', Math.abs(distanceY));
            } else {
                distanceY = -Math.abs(_$el.attr('data-y'));
            }

            if (allowX) {
                _$el.attr('data-x', Math.abs(distanceX));
            } else {
                distanceX = -Math.abs(_$el.attr('data-x'));
            }

            _$el.css({
                left: distanceX + 'px',
                top: distanceY + 'px'
            });

        }
    };

    Zoom.prototype.destroy = function() {

        var _this = this;

        // Unbind all events added by lightGallery zoom plugin
        _this.core.$el.off('.lg.zoom');
        $(window).off('.lg.zoom');
        _this.core.$slide.off('.lg.zoom');
        _this.core.$el.off('.lg.tm.zoom');
        _this.resetZoom();
        clearTimeout(_this.zoomabletimeout);
        _this.zoomabletimeout = false;
    };

    $.fn.lightGallery.modules.zoom = Zoom;

})(jQuery, window, document);
(function($, window, document, undefined) {

    'use strict';

    var defaults = {
        hash: true
    };

    var Hash = function(element) {

        this.core = $(element).data('lightGallery');

        this.core.s = $.extend({}, defaults, this.core.s);

        if (this.core.s.hash) {
            this.oldHash = window.location.hash;
            this.init();
        }

        return this;
    };

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

        // Change hash value on after each slide transition
        _this.core.$el.on('onAfterSlide.lg.tm', function(event, prevIndex, index) {
            window.location.hash = 'lg=' + _this.core.s.galleryId + '&slide=' + index;
        });

        // Listen hash change and change the slide according to slide value
        $(window).on('hashchange.lg.hash', function() {
            _hash = window.location.hash;
            var _idx = parseInt(_hash.split('&slide=')[1], 10);

            // it galleryId doesn't exist in the url close the gallery
            if ((_hash.indexOf('lg=' + _this.core.s.galleryId) > -1)) {
                _this.core.slide(_idx, false, false);
            } else if (_this.core.lGalleryOn) {
                _this.core.destroy();
            }

        });
    };

    Hash.prototype.destroy = function() {

        if (!this.core.s.hash) {
            return;
        }

        // Reset to old hash value
        if (this.oldHash && this.oldHash.indexOf('lg=' + this.core.s.galleryId) < 0) {
            window.location.hash = this.oldHash;
        } else {
            if (history.pushState) {
                history.pushState('', document.title, window.location.pathname + window.location.search);
            } else {
                window.location.hash = '';
            }
        }

        this.core.$el.off('.lg.hash');

    };

    $.fn.lightGallery.modules.hash = Hash;

})(jQuery, window, document);