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Edit File: jquery.magnific-popup.js

/*! Magnific Popup - v1.1.0 - 2016-02-20
 * http://dimsemenov.com/plugins/magnific-popup/
 * Copyright (c) 2016 Dmitry Semenov; */
;(function (factory) {
    if (typeof define === 'function' && define.amd) {
        // AMD. Register as an anonymous module.
        define(['jquery'], factory);
    } else if (typeof exports === 'object') {
        // Node/CommonJS
        factory(require('jquery'));
    } else {
        // Browser globals
        factory(window.jQuery || window.Zepto);
    }
}(function($) {

/*>>core*/
    /**
     *
     * Magnific Popup Core JS file
     *
     */

/**
     * Private static constants
     */
    var CLOSE_EVENT = 'Close',
        BEFORE_CLOSE_EVENT = 'BeforeClose',
        AFTER_CLOSE_EVENT = 'AfterClose',
        BEFORE_APPEND_EVENT = 'BeforeAppend',
        MARKUP_PARSE_EVENT = 'MarkupParse',
        OPEN_EVENT = 'Open',
        CHANGE_EVENT = 'Change',
        NS = 'mfp',
        EVENT_NS = '.' + NS,
        READY_CLASS = 'mfp-ready',
        REMOVING_CLASS = 'mfp-removing',
        PREVENT_CLOSE_CLASS = 'mfp-prevent-close';

/**
     * Private vars
     */
    /*jshint -W079 */
    var mfp, // As we have only one instance of MagnificPopup object, we define it locally to not to use 'this'
        MagnificPopup = function(){},
        _isJQ = !!(window.jQuery),
        _prevStatus,
        _window = $(window),
        _document,
        _prevContentType,
        _wrapClasses,
        _currPopupType;

/**
     * Private functions
     */
    var _mfpOn = function(name, f) {
            mfp.ev.on(NS + name + EVENT_NS, f);
        },
        _getEl = function(className, appendTo, html, raw) {
            var el = document.createElement('div');
            el.className = 'mfp-'+className;
            if(html) {
                el.innerHTML = html;
            }
            if(!raw) {
                el = $(el);
                if(appendTo) {
                    el.appendTo(appendTo);
                }
            } else if(appendTo) {
                appendTo.appendChild(el);
            }
            return el;
        },
        _mfpTrigger = function(e, data) {
            mfp.ev.triggerHandler(NS + e, data);

if(mfp.st.callbacks) {
                // converts "mfpEventName" to "eventName" callback and triggers it if it's present
                e = e.charAt(0).toLowerCase() + e.slice(1);
                if(mfp.st.callbacks[e]) {
                    mfp.st.callbacks[e].apply(mfp, $.isArray(data) ? data : [data]);
                }
            }
        },
        _getCloseBtn = function(type) {
            if(type !== _currPopupType || !mfp.currTemplate.closeBtn) {
                mfp.currTemplate.closeBtn = $( mfp.st.closeMarkup.replace('%title%', mfp.st.tClose ) );
                _currPopupType = type;
            }
            return mfp.currTemplate.closeBtn;
        },
    // Initialize Magnific Popup only when called at least once
        _checkInstance = function() {
            if(!$.magnificPopup.instance) {
                /*jshint -W020 */
                mfp = new MagnificPopup();
                mfp.init();
                $.magnificPopup.instance = mfp;
            }
        },
    // CSS transition detection, http://stackoverflow.com/questions/7264899/detect-css-transitions-using-javascript-and-without-modernizr
        supportsTransitions = function() {
            var s = document.createElement('p').style, // 's' for style. better to create an element if body yet to exist
                v = ['ms','O','Moz','Webkit']; // 'v' for vendor

if( s['transition'] !== undefined ) {
                return true;
            }

while( v.length ) {
                if( v.pop() + 'Transition' in s ) {
                    return true;
                }
            }

return false;
        };

/**
     * Public functions
     */
    MagnificPopup.prototype = {

constructor: MagnificPopup,

/**
         * Initializes Magnific Popup plugin.
         * This function is triggered only once when $.fn.magnificPopup or $.magnificPopup is executed
         */
        init: function() {
            var appVersion = navigator.appVersion;
            mfp.isLowIE = mfp.isIE8 = document.all && !document.addEventListener;
            mfp.isAndroid = (/android/gi).test(appVersion);
            mfp.isIOS = (/iphone|ipad|ipod/gi).test(appVersion);
            mfp.supportsTransition = supportsTransitions();

// We disable fixed positioned lightbox on devices that don't handle it nicely.
            // If you know a better way of detecting this - let me know.
            mfp.probablyMobile = (mfp.isAndroid || mfp.isIOS || /(Opera Mini)|Kindle|webOS|BlackBerry|(Opera Mobi)|(Windows Phone)|IEMobile/i.test(navigator.userAgent) );
            _document = $(document);

mfp.popupsCache = {};
        },

/**
         * Opens popup
         * @param  data [description]
         */
        open: function(data) {

var i;

if(data.isObj === false) {
                // convert jQuery collection to array to avoid conflicts later
                mfp.items = data.items.toArray();

mfp.index = 0;
                var items = data.items,
                    item;
                for(i = 0; i < items.length; i++) {
                    item = items[i];
                    if(item.parsed) {
                        item = item.el[0];
                    }
                    if(item === data.el[0]) {
                        mfp.index = i;
                        break;
                    }
                }
            } else {
                mfp.items = $.isArray(data.items) ? data.items : [data.items];
                mfp.index = data.index || 0;
            }

// if popup is already opened - we just update the content
            if(mfp.isOpen) {
                mfp.updateItemHTML();
                return;
            }

mfp.types = [];
            _wrapClasses = '';
            if(data.mainEl && data.mainEl.length) {
                mfp.ev = data.mainEl.eq(0);
            } else {
                mfp.ev = _document;
            }

if(data.key) {
                if(!mfp.popupsCache[data.key]) {
                    mfp.popupsCache[data.key] = {};
                }
                mfp.currTemplate = mfp.popupsCache[data.key];
            } else {
                mfp.currTemplate = {};
            }

mfp.st = $.extend(true, {}, $.magnificPopup.defaults, data );
            mfp.fixedContentPos = mfp.st.fixedContentPos === 'auto' ? !mfp.probablyMobile : mfp.st.fixedContentPos;

if(mfp.st.modal) {
                mfp.st.closeOnContentClick = false;
                mfp.st.closeOnBgClick = false;
                mfp.st.showCloseBtn = false;
                mfp.st.enableEscapeKey = false;
            }

// Building markup
            // main containers are created only once
            if(!mfp.bgOverlay) {

// Dark overlay
                mfp.bgOverlay = _getEl('bg').on('click'+EVENT_NS, function() {
                    mfp.close();
                });

mfp.wrap = _getEl('wrap').attr('tabindex', -1).on('click'+EVENT_NS, function(e) {
                    if(mfp._checkIfClose(e.target)) {
                        mfp.close();
                    }
                });

mfp.container = _getEl('container', mfp.wrap);
            }

mfp.contentContainer = _getEl('content');
            if(mfp.st.preloader) {
                mfp.preloader = _getEl('preloader', mfp.container, mfp.st.tLoading);
            }

// Initializing modules
            var modules = $.magnificPopup.modules;
            for(i = 0; i < modules.length; i++) {
                var n = modules[i];
                n = n.charAt(0).toUpperCase() + n.slice(1);
                mfp['init'+n].call(mfp);
            }
            _mfpTrigger('BeforeOpen');

if(mfp.st.showCloseBtn) {
                // Close button
                if(!mfp.st.closeBtnInside) {
                    mfp.wrap.append( _getCloseBtn() );
                } else {
                    _mfpOn(MARKUP_PARSE_EVENT, function(e, template, values, item) {
                        values.close_replaceWith = _getCloseBtn(item.type);
                    });
                    _wrapClasses += ' mfp-close-btn-in';
                }
            }

if(mfp.st.alignTop) {
                _wrapClasses += ' mfp-align-top';
            }

if(mfp.fixedContentPos) {
                mfp.wrap.css({
                    overflow: mfp.st.overflowY,
                    overflowX: 'hidden',
                    overflowY: mfp.st.overflowY
                });
            } else {
                mfp.wrap.css({
                    top: _window.scrollTop(),
                    position: 'absolute'
                });
            }
            if( mfp.st.fixedBgPos === false || (mfp.st.fixedBgPos === 'auto' && !mfp.fixedContentPos) ) {
                mfp.bgOverlay.css({
                    height: _document.height(),
                    position: 'absolute'
                });
            }

if(mfp.st.enableEscapeKey) {
                // Close on ESC key
                _document.on('keyup' + EVENT_NS, function(e) {
                    if(e.keyCode === 27) {
                        mfp.close();
                    }
                });
            }

_window.on('resize' + EVENT_NS, function() {
                mfp.updateSize();
            });

if(!mfp.st.closeOnContentClick) {
                _wrapClasses += ' mfp-auto-cursor';
            }

if(_wrapClasses)
                mfp.wrap.addClass(_wrapClasses);

// this triggers recalculation of layout, so we get it once to not to trigger twice
            var windowHeight = mfp.wH = _window.height();

var windowStyles = {};

if( mfp.fixedContentPos ) {
                if(mfp._hasScrollBar(windowHeight)){
                    var s = mfp._getScrollbarSize();
                    if(s) {
                        windowStyles.marginRight = s;
                    }
                }
            }

if(mfp.fixedContentPos) {
                if(!mfp.isIE7) {
                    windowStyles.overflow = 'hidden';
                } else {
                    // ie7 double-scroll bug
                    $('body, html').css('overflow', 'hidden');
                }
            }

var classesToadd = mfp.st.mainClass;
            if(mfp.isIE7) {
                classesToadd += ' mfp-ie7';
            }
            if(classesToadd) {
                mfp._addClassToMFP( classesToadd );
            }

// add content
            mfp.updateItemHTML();

_mfpTrigger('BuildControls');

// remove scrollbar, add margin e.t.c
            $('html').css(windowStyles);

// add everything to DOM
            mfp.bgOverlay.add(mfp.wrap).prependTo( mfp.st.prependTo || $(document.body) );

// Save last focused element
            mfp._lastFocusedEl = document.activeElement;

// Wait for next cycle to allow CSS transition
            setTimeout(function() {

if(mfp.content) {
                    mfp._addClassToMFP(READY_CLASS);
                    mfp._setFocus();
                } else {
                    // if content is not defined (not loaded e.t.c) we add class only for BG
                    mfp.bgOverlay.addClass(READY_CLASS);
                }

// Trap the focus in popup
                _document.on('focusin' + EVENT_NS, mfp._onFocusIn);

}, 16);

mfp.isOpen = true;
            mfp.updateSize(windowHeight);
            _mfpTrigger(OPEN_EVENT);

return data;
        },

/**
         * Closes the popup
         */
        close: function() {
            if(!mfp.isOpen) return;
            _mfpTrigger(BEFORE_CLOSE_EVENT);

mfp.isOpen = false;
            // for CSS3 animation
            if(mfp.st.removalDelay && !mfp.isLowIE && mfp.supportsTransition )  {
                mfp._addClassToMFP(REMOVING_CLASS);
                setTimeout(function() {
                    mfp._close();
                }, mfp.st.removalDelay);
            } else {
                mfp._close();
            }
        },

/**
         * Helper for close() function
         */
        _close: function() {
            _mfpTrigger(CLOSE_EVENT);

var classesToRemove = REMOVING_CLASS + ' ' + READY_CLASS + ' ';

mfp.bgOverlay.detach();
            mfp.wrap.detach();
            mfp.container.empty();

if(mfp.st.mainClass) {
                classesToRemove += mfp.st.mainClass + ' ';
            }

mfp._removeClassFromMFP(classesToRemove);

if(mfp.fixedContentPos) {
                var windowStyles = {marginRight: ''};
                if(mfp.isIE7) {
                    $('body, html').css('overflow', '');
                } else {
                    windowStyles.overflow = '';
                }
                $('html').css(windowStyles);
            }

_document.off('keyup' + EVENT_NS + ' focusin' + EVENT_NS);
            mfp.ev.off(EVENT_NS);

// clean up DOM elements that aren't removed
            mfp.wrap.attr('class', 'mfp-wrap').removeAttr('style');
            mfp.bgOverlay.attr('class', 'mfp-bg');
            mfp.container.attr('class', 'mfp-container');

// remove close button from target element
            if(mfp.st.showCloseBtn &&
                (!mfp.st.closeBtnInside || mfp.currTemplate[mfp.currItem.type] === true)) {
                if(mfp.currTemplate.closeBtn)
                    mfp.currTemplate.closeBtn.detach();
            }

if(mfp.st.autoFocusLast && mfp._lastFocusedEl) {
                $(mfp._lastFocusedEl).focus(); // put tab focus back
            }
            mfp.currItem = null;
            mfp.content = null;
            mfp.currTemplate = null;
            mfp.prevHeight = 0;

_mfpTrigger(AFTER_CLOSE_EVENT);
        },

updateSize: function(winHeight) {

if(mfp.isIOS) {
                // fixes iOS nav bars https://github.com/dimsemenov/Magnific-Popup/issues/2
                var zoomLevel = document.documentElement.clientWidth / window.innerWidth;
                var height = window.innerHeight * zoomLevel;
                mfp.wrap.css('height', height);
                mfp.wH = height;
            } else {
                mfp.wH = winHeight || _window.height();
            }
            // Fixes #84: popup incorrectly positioned with position:relative on body
            if(!mfp.fixedContentPos) {
                mfp.wrap.css('height', mfp.wH);
            }

_mfpTrigger('Resize');

/**
         * Set content of popup based on current index
         */
        updateItemHTML: function() {
            var item = mfp.items[mfp.index];

// Detach and perform modifications
            mfp.contentContainer.detach();

if(mfp.content)
                mfp.content.detach();

if(!item.parsed) {
                item = mfp.parseEl( mfp.index );
            }

var type = item.type;

_mfpTrigger('BeforeChange', [mfp.currItem ? mfp.currItem.type : '', type]);
            // BeforeChange event works like so:
            // _mfpOn('BeforeChange', function(e, prevType, newType) { });

mfp.currItem = item;

if(!mfp.currTemplate[type]) {
                var markup = mfp.st[type] ? mfp.st[type].markup : false;

// allows to modify markup
                _mfpTrigger('FirstMarkupParse', markup);

if(markup) {
                    mfp.currTemplate[type] = $(markup);
                } else {
                    // if there is no markup found we just define that template is parsed
                    mfp.currTemplate[type] = true;
                }
            }

if(_prevContentType && _prevContentType !== item.type) {
                mfp.container.removeClass('mfp-'+_prevContentType+'-holder');
            }

var newContent = mfp['get' + type.charAt(0).toUpperCase() + type.slice(1)](item, mfp.currTemplate[type]);
            mfp.appendContent(newContent, type);

item.preloaded = true;

_mfpTrigger(CHANGE_EVENT, item);
            _prevContentType = item.type;

// Append container back after its content changed
            mfp.container.prepend(mfp.contentContainer);

_mfpTrigger('AfterChange');
        },

/**
         * Set HTML content of popup
         */
        appendContent: function(newContent, type) {
            mfp.content = newContent;

if(newContent) {
                if(mfp.st.showCloseBtn && mfp.st.closeBtnInside &&
                    mfp.currTemplate[type] === true) {
                    // if there is no markup, we just append close button element inside
                    if(!mfp.content.find('.mfp-close').length) {
                        mfp.content.append(_getCloseBtn());
                    }
                } else {
                    mfp.content = newContent;
                }
            } else {
                mfp.content = '';
            }

_mfpTrigger(BEFORE_APPEND_EVENT);
            mfp.container.addClass('mfp-'+type+'-holder');

mfp.contentContainer.append(mfp.content);
        },

/**
         * Creates Magnific Popup data object based on given data
         * @param  {int} index Index of item to parse
         */
        parseEl: function(index) {
            var item = mfp.items[index],
                type;

if(item.tagName) {
                item = { el: $(item) };
            } else {
                type = item.type;
                item = { data: item, src: item.src };
            }

if(item.el) {
                var types = mfp.types;

// check for 'mfp-TYPE' class
                for(var i = 0; i < types.length; i++) {
                    if( item.el.hasClass('mfp-'+types[i]) ) {
                        type = types[i];
                        break;
                    }
                }

item.src = item.el.attr('data-mfp-src');
                if(!item.src) {
                    item.src = item.el.attr('href');
                }
            }

item.type = type || mfp.st.type || 'inline';
            item.index = index;
            item.parsed = true;
            mfp.items[index] = item;
            _mfpTrigger('ElementParse', item);

return mfp.items[index];
        },

/**
         * Initializes single popup or a group of popups
         */
        addGroup: function(el, options) {
            var eHandler = function(e) {
                e.mfpEl = this;
                mfp._openClick(e, el, options);
            };

if(!options) {
                options = {};
            }

var eName = 'click.magnificPopup';
            options.mainEl = el;

if(options.items) {
                options.isObj = true;
                el.off(eName).on(eName, eHandler);
            } else {
                options.isObj = false;
                if(options.delegate) {
                    el.off(eName).on(eName, options.delegate , eHandler);
                } else {
                    options.items = el;
                    el.off(eName).on(eName, eHandler);
                }
            }
        },
        _openClick: function(e, el, options) {
            var midClick = options.midClick !== undefined ? options.midClick : $.magnificPopup.defaults.midClick;

if(!midClick && ( e.which === 2 || e.ctrlKey || e.metaKey || e.altKey || e.shiftKey ) ) {
                return;
            }

var disableOn = options.disableOn !== undefined ? options.disableOn : $.magnificPopup.defaults.disableOn;

if(disableOn) {
                if($.isFunction(disableOn)) {
                    if( !disableOn.call(mfp) ) {
                        return true;
                    }
                } else { // else it's number
                    if( _window.width() < disableOn ) {
                        return true;
                    }
                }
            }

if(e.type) {
                e.preventDefault();

// This will prevent popup from closing if element is inside and popup is already opened
                if(mfp.isOpen) {
                    e.stopPropagation();
                }
            }

options.el = $(e.mfpEl);
            if(options.delegate) {
                options.items = el.find(options.delegate);
            }
            mfp.open(options);
        },

/**
         * Updates text on preloader
         */
        updateStatus: function(status, text) {

if(mfp.preloader) {
                if(_prevStatus !== status) {
                    mfp.container.removeClass('mfp-s-'+_prevStatus);
                }

if(!text && status === 'loading') {
                    text = mfp.st.tLoading;
                }

var data = {
                    status: status,
                    text: text
                };
                // allows to modify status
                _mfpTrigger('UpdateStatus', data);

status = data.status;
                text = data.text;

mfp.preloader.html(text);

mfp.preloader.find('a').on('click', function(e) {
                    e.stopImmediatePropagation();
                });

mfp.container.addClass('mfp-s-'+status);
                _prevStatus = status;
            }
        },

/*
         "Private" helpers that aren't private at all
         */
        // Check to close popup or not
        // "target" is an element that was clicked
        _checkIfClose: function(target) {

if($(target).hasClass(PREVENT_CLOSE_CLASS)) {
                return;
            }

var closeOnContent = mfp.st.closeOnContentClick;
            var closeOnBg = mfp.st.closeOnBgClick;

if(closeOnContent && closeOnBg) {
                return true;
            } else {

// We close the popup if click is on close button or on preloader. Or if there is no content.
                if(!mfp.content || $(target).hasClass('mfp-close') || (mfp.preloader && target === mfp.preloader[0]) ) {
                    return true;
                }

// if click is outside the content
                if(  (target !== mfp.content[0] && !$.contains(mfp.content[0], target))  ) {
                    if(closeOnBg) {
                        // last check, if the clicked element is in DOM, (in case it's removed onclick)
                        if( $.contains(document, target) ) {
                            return true;
                        }
                    }
                } else if(closeOnContent) {
                    return true;
                }

}
            return false;
        },
        _addClassToMFP: function(cName) {
            mfp.bgOverlay.addClass(cName);
            mfp.wrap.addClass(cName);
        },
        _removeClassFromMFP: function(cName) {
            this.bgOverlay.removeClass(cName);
            mfp.wrap.removeClass(cName);
        },
        _hasScrollBar: function(winHeight) {
            return (  (mfp.isIE7 ? _document.height() : document.body.scrollHeight) > (winHeight || _window.height()) );
        },
        _setFocus: function() {
            (mfp.st.focus ? mfp.content.find(mfp.st.focus).eq(0) : mfp.wrap).focus();
        },
        _onFocusIn: function(e) {
            if( e.target !== mfp.wrap[0] && !$.contains(mfp.wrap[0], e.target) ) {
                mfp._setFocus();
                return false;
            }
        },
        _parseMarkup: function(template, values, item) {
            var arr;
            if(item.data) {
                values = $.extend(item.data, values);
            }
            _mfpTrigger(MARKUP_PARSE_EVENT, [template, values, item] );

$.each(values, function(key, value) {
                if(value === undefined || value === false) {
                    return true;
                }
                arr = key.split('_');
                if(arr.length > 1) {
                    var el = template.find(EVENT_NS + '-'+arr[0]);

if(el.length > 0) {
                        var attr = arr[1];
                        if(attr === 'replaceWith') {
                            if(el[0] !== value[0]) {
                                el.replaceWith(value);
                            }
                        } else if(attr === 'img') {
                            if(el.is('img')) {
                                el.attr('src', value);
                            } else {
                                el.replaceWith( $('<img>').attr('src', value).attr('class', el.attr('class')) );
                            }
                        } else {
                            el.attr(arr[1], value);
                        }
                    }

} else {
                    template.find(EVENT_NS + '-'+key).html(value);
                }
            });
        },

_getScrollbarSize: function() {
            // thx David
            if(mfp.scrollbarSize === undefined) {
                var scrollDiv = document.createElement("div");
                scrollDiv.style.cssText = 'width: 99px; height: 99px; overflow: scroll; position: absolute; top: -9999px;';
                document.body.appendChild(scrollDiv);
                mfp.scrollbarSize = scrollDiv.offsetWidth - scrollDiv.clientWidth;
                document.body.removeChild(scrollDiv);
            }
            return mfp.scrollbarSize;
        }

}; /* MagnificPopup core prototype end */

/**
     * Public static functions
     */
    $.magnificPopup = {
        instance: null,
        proto: MagnificPopup.prototype,
        modules: [],

open: function(options, index) {
            _checkInstance();

if(!options) {
                options = {};
            } else {
                options = $.extend(true, {}, options);
            }

options.isObj = true;
            options.index = index || 0;
            return this.instance.open(options);
        },

close: function() {
            return $.magnificPopup.instance && $.magnificPopup.instance.close();
        },

registerModule: function(name, module) {
            if(module.options) {
                $.magnificPopup.defaults[name] = module.options;
            }
            $.extend(this.proto, module.proto);
            this.modules.push(name);
        },

defaults: {

// Info about options is in docs:
            // http://dimsemenov.com/plugins/magnific-popup/documentation.html#options

disableOn: 0,

key: null,

midClick: false,

mainClass: '',

preloader: true,

focus: '', // CSS selector of input to focus after popup is opened

closeOnContentClick: false,

closeOnBgClick: true,

closeBtnInside: true,

showCloseBtn: true,

enableEscapeKey: true,

modal: false,

alignTop: false,

removalDelay: 0,

prependTo: null,

fixedContentPos: 'auto',

fixedBgPos: 'auto',

overflowY: 'auto',

closeMarkup: '<button title="%title%" type="button" class="mfp-close">&#215;</button>',

tClose: 'Close (Esc)',

tLoading: 'Loading...',

autoFocusLast: true

}
    };

$.fn.magnificPopup = function(options) {
        _checkInstance();

var jqEl = $(this);

// We call some API method of first param is a string
        if (typeof options === "string" ) {

if(options === 'open') {
                var items,
                    itemOpts = _isJQ ? jqEl.data('magnificPopup') : jqEl[0].magnificPopup,
                    index = parseInt(arguments[1], 10) || 0;

if(itemOpts.items) {
                    items = itemOpts.items[index];
                } else {
                    items = jqEl;
                    if(itemOpts.delegate) {
                        items = items.find(itemOpts.delegate);
                    }
                    items = items.eq( index );
                }
                mfp._openClick({mfpEl:items}, jqEl, itemOpts);
            } else {
                if(mfp.isOpen)
                    mfp[options].apply(mfp, Array.prototype.slice.call(arguments, 1));
            }

} else {
            // clone options obj
            options = $.extend(true, {}, options);

/*
             * As Zepto doesn't support .data() method for objects
             * and it works only in normal browsers
             * we assign "options" object directly to the DOM element. FTW!
             */
            if(_isJQ) {
                jqEl.data('magnificPopup', options);
            } else {
                jqEl[0].magnificPopup = options;
            }

mfp.addGroup(jqEl, options);

}
        return jqEl;
    };

/*>>core*/

/*>>inline*/

var INLINE_NS = 'inline',
        _hiddenClass,
        _inlinePlaceholder,
        _lastInlineElement,
        _putInlineElementsBack = function() {
            if(_lastInlineElement) {
                _inlinePlaceholder.after( _lastInlineElement.addClass(_hiddenClass) ).detach();
                _lastInlineElement = null;
            }
        };

$.magnificPopup.registerModule(INLINE_NS, {
        options: {
            hiddenClass: 'hide', // will be appended with `mfp-` prefix
            markup: '',
            tNotFound: 'Content not found'
        },
        proto: {

initInline: function() {
                mfp.types.push(INLINE_NS);

_mfpOn(CLOSE_EVENT+'.'+INLINE_NS, function() {
                    _putInlineElementsBack();
                });
            },

getInline: function(item, template) {

_putInlineElementsBack();

if(item.src) {
                    var inlineSt = mfp.st.inline,
                        el = $(item.src);

if(el.length) {

// If target element has parent - we replace it with placeholder and put it back after popup is closed
                        var parent = el[0].parentNode;
                        if(parent && parent.tagName) {
                            if(!_inlinePlaceholder) {
                                _hiddenClass = inlineSt.hiddenClass;
                                _inlinePlaceholder = _getEl(_hiddenClass);
                                _hiddenClass = 'mfp-'+_hiddenClass;
                            }
                            // replace target inline element with placeholder
                            _lastInlineElement = el.after(_inlinePlaceholder).detach().removeClass(_hiddenClass);
                        }

mfp.updateStatus('ready');
                    } else {
                        mfp.updateStatus('error', inlineSt.tNotFound);
                        el = $('<div>');
                    }

item.inlineElement = el;
                    return el;
                }

mfp.updateStatus('ready');
                mfp._parseMarkup(template, {}, item);
                return template;
            }
        }
    });

/*>>inline*/

/*>>ajax*/
    var AJAX_NS = 'ajax',
        _ajaxCur,
        _removeAjaxCursor = function() {
            if(_ajaxCur) {
                $(document.body).removeClass(_ajaxCur);
            }
        },
        _destroyAjaxRequest = function() {
            _removeAjaxCursor();
            if(mfp.req) {
                mfp.req.abort();
            }
        };

$.magnificPopup.registerModule(AJAX_NS, {

options: {
            settings: null,
            cursor: 'mfp-ajax-cur',
            tError: '<a href="%url%">The content</a> could not be loaded.'
        },

proto: {
            initAjax: function() {
                mfp.types.push(AJAX_NS);
                _ajaxCur = mfp.st.ajax.cursor;

_mfpOn(CLOSE_EVENT+'.'+AJAX_NS, _destroyAjaxRequest);
                _mfpOn('BeforeChange.' + AJAX_NS, _destroyAjaxRequest);
            },
            getAjax: function(item) {

if(_ajaxCur) {
                    $(document.body).addClass(_ajaxCur);
                }

mfp.updateStatus('loading');

var opts = $.extend({
                    url: item.src,
                    success: function(data, textStatus, jqXHR) {
                        var temp = {
                            data:data,
                            xhr:jqXHR
                        };

_mfpTrigger('ParseAjax', temp);

mfp.appendContent( $(temp.data), AJAX_NS );

item.finished = true;

_removeAjaxCursor();

mfp._setFocus();

setTimeout(function() {
                            mfp.wrap.addClass(READY_CLASS);
                        }, 16);

mfp.updateStatus('ready');

_mfpTrigger('AjaxContentAdded');
                    },
                    error: function() {
                        _removeAjaxCursor();
                        item.finished = item.loadError = true;
                        mfp.updateStatus('error', mfp.st.ajax.tError.replace('%url%', item.src));
                    }
                }, mfp.st.ajax.settings);

mfp.req = $.ajax(opts);

return '';
            }
        }
    });

/*>>ajax*/

/*>>image*/
    var _imgInterval,
        _getTitle = function(item) {
            if(item.data && item.data.title !== undefined)
                return item.data.title;

var src = mfp.st.image.titleSrc;

if(src) {
                if($.isFunction(src)) {
                    return src.call(mfp, item);
                } else if(item.el) {
                    return item.el.attr(src) || '';
                }
            }
            return '';
        };

$.magnificPopup.registerModule('image', {

options: {
            markup: '<div class="mfp-figure">'+
            '<div class="mfp-close"></div>'+
            '<figure>'+
            '<div class="mfp-img"></div>'+
            '<figcaption>'+
            '<div class="mfp-bottom-bar">'+
            '<div class="mfp-title"></div>'+
            '<div class="mfp-counter"></div>'+
            '</div>'+
            '</figcaption>'+
            '</figure>'+
            '</div>',
            cursor: 'mfp-zoom-out-cur',
            titleSrc: 'title',
            verticalFit: true,
            tError: '<a href="%url%">The image</a> could not be loaded.'
        },

proto: {
            initImage: function() {
                var imgSt = mfp.st.image,
                    ns = '.image';

mfp.types.push('image');

_mfpOn(OPEN_EVENT+ns, function() {
                    if(mfp.currItem.type === 'image' && imgSt.cursor) {
                        $(document.body).addClass(imgSt.cursor);
                    }
                });

_mfpOn(CLOSE_EVENT+ns, function() {
                    if(imgSt.cursor) {
                        $(document.body).removeClass(imgSt.cursor);
                    }
                    _window.off('resize' + EVENT_NS);
                });

_mfpOn('Resize'+ns, mfp.resizeImage);
                if(mfp.isLowIE) {
                    _mfpOn('AfterChange', mfp.resizeImage);
                }
            },
            resizeImage: function() {
                var item = mfp.currItem;
                if(!item || !item.img) return;

if(mfp.st.image.verticalFit) {
                    var decr = 0;
                    // fix box-sizing in ie7/8
                    if(mfp.isLowIE) {
                        decr = parseInt(item.img.css('padding-top'), 10) + parseInt(item.img.css('padding-bottom'),10);
                    }
                    item.img.css('max-height', mfp.wH-decr);
                }
            },
            _onImageHasSize: function(item) {
                if(item.img) {

item.hasSize = true;

if(_imgInterval) {
                        clearInterval(_imgInterval);
                    }

item.isCheckingImgSize = false;

_mfpTrigger('ImageHasSize', item);

if(item.imgHidden) {
                        if(mfp.content)
                            mfp.content.removeClass('mfp-loading');

item.imgHidden = false;
                    }

}
            },

/**
             * Function that loops until the image has size to display elements that rely on it asap
             */
            findImageSize: function(item) {

var counter = 0,
                    img = item.img[0],
                    mfpSetInterval = function(delay) {

if(_imgInterval) {
                            clearInterval(_imgInterval);
                        }
                        // decelerating interval that checks for size of an image
                        _imgInterval = setInterval(function() {
                            if(img.naturalWidth > 0) {
                                mfp._onImageHasSize(item);
                                return;
                            }

if(counter > 200) {
                                clearInterval(_imgInterval);
                            }

counter++;
                            if(counter === 3) {
                                mfpSetInterval(10);
                            } else if(counter === 40) {
                                mfpSetInterval(50);
                            } else if(counter === 100) {
                                mfpSetInterval(500);
                            }
                        }, delay);
                    };

mfpSetInterval(1);
            },

getImage: function(item, template) {

var guard = 0,

// image load complete handler
                    onLoadComplete = function() {
                        if(item) {
                            if (item.img[0].complete) {
                                item.img.off('.mfploader');

if(item === mfp.currItem){
                                    mfp._onImageHasSize(item);

mfp.updateStatus('ready');
                                }

item.hasSize = true;
                                item.loaded = true;

_mfpTrigger('ImageLoadComplete');

}
                            else {
                                // if image complete check fails 200 times (20 sec), we assume that there was an error.
                                guard++;
                                if(guard < 200) {
                                    setTimeout(onLoadComplete,100);
                                } else {
                                    onLoadError();
                                }
                            }
                        }
                    },

// image error handler
                    onLoadError = function() {
                        if(item) {
                            item.img.off('.mfploader');
                            if(item === mfp.currItem){
                                mfp._onImageHasSize(item);
                                mfp.updateStatus('error', imgSt.tError.replace('%url%', item.src) );
                            }

item.hasSize = true;
                            item.loaded = true;
                            item.loadError = true;
                        }
                    },
                    imgSt = mfp.st.image;

var el = template.find('.mfp-img');
                if(el.length) {
                    var img = document.createElement('img');
                    img.className = 'mfp-img';
                    if(item.el && item.el.find('img').length) {
                        img.alt = item.el.find('img').attr('alt');
                    }
                    item.img = $(img).on('load.mfploader', onLoadComplete).on('error.mfploader', onLoadError);
                    img.src = item.src;

// without clone() "error" event is not firing when IMG is replaced by new IMG
                    // TODO: find a way to avoid such cloning
                    if(el.is('img')) {
                        item.img = item.img.clone();
                    }

img = item.img[0];
                    if(img.naturalWidth > 0) {
                        item.hasSize = true;
                    } else if(!img.width) {
                        item.hasSize = false;
                    }
                }

mfp._parseMarkup(template, {
                    title: _getTitle(item),
                    img_replaceWith: item.img
                }, item);

mfp.resizeImage();

if(item.hasSize) {
                    if(_imgInterval) clearInterval(_imgInterval);

if(item.loadError) {
                        template.addClass('mfp-loading');
                        mfp.updateStatus('error', imgSt.tError.replace('%url%', item.src) );
                    } else {
                        template.removeClass('mfp-loading');
                        mfp.updateStatus('ready');
                    }
                    return template;
                }

mfp.updateStatus('loading');
                item.loading = true;

if(!item.hasSize) {
                    item.imgHidden = true;
                    template.addClass('mfp-loading');
                    mfp.findImageSize(item);
                }

return template;
            }
        }
    });

/*>>image*/

/*>>zoom*/
    var hasMozTransform,
        getHasMozTransform = function() {
            if(hasMozTransform === undefined) {
                hasMozTransform = document.createElement('p').style.MozTransform !== undefined;
            }
            return hasMozTransform;
        };

$.magnificPopup.registerModule('zoom', {

options: {
            enabled: false,
            easing: 'ease-in-out',
            duration: 300,
            opener: function(element) {
                return element.is('img') ? element : element.find('img');
            }
        },

proto: {

initZoom: function() {
                var zoomSt = mfp.st.zoom,
                    ns = '.zoom',
                    image;

if(!zoomSt.enabled || !mfp.supportsTransition) {
                    return;
                }

var duration = zoomSt.duration,
                    getElToAnimate = function(image) {
                        var newImg = image.clone().removeAttr('style').removeAttr('class').addClass('mfp-animated-image'),
                            transition = 'all '+(zoomSt.duration/1000)+'s ' + zoomSt.easing,
                            cssObj = {
                                position: 'fixed',
                                zIndex: 9999,
                                left: 0,
                                top: 0,
                                '-webkit-backface-visibility': 'hidden'
                            },
                            t = 'transition';

cssObj['-webkit-'+t] = cssObj['-moz-'+t] = cssObj['-o-'+t] = cssObj[t] = transition;

newImg.css(cssObj);
                        return newImg;
                    },
                    showMainContent = function() {
                        mfp.content.css('visibility', 'visible');
                    },
                    openTimeout,
                    animatedImg;

_mfpOn('BuildControls'+ns, function() {
                    if(mfp._allowZoom()) {

clearTimeout(openTimeout);
                        mfp.content.css('visibility', 'hidden');

// Basically, all code below does is clones existing image, puts in on top of the current one and animated it

image = mfp._getItemToZoom();

if(!image) {
                            showMainContent();
                            return;
                        }

animatedImg = getElToAnimate(image);

animatedImg.css( mfp._getOffset() );

mfp.wrap.append(animatedImg);

openTimeout = setTimeout(function() {
                            animatedImg.css( mfp._getOffset( true ) );
                            openTimeout = setTimeout(function() {

showMainContent();

setTimeout(function() {
                                    animatedImg.remove();
                                    image = animatedImg = null;
                                    _mfpTrigger('ZoomAnimationEnded');
                                }, 16); // avoid blink when switching images

}, duration); // this timeout equals animation duration

}, 16); // by adding this timeout we avoid short glitch at the beginning of animation

// Lots of timeouts...
                    }
                });
                _mfpOn(BEFORE_CLOSE_EVENT+ns, function() {
                    if(mfp._allowZoom()) {

clearTimeout(openTimeout);

mfp.st.removalDelay = duration;

if(!image) {
                            image = mfp._getItemToZoom();
                            if(!image) {
                                return;
                            }
                            animatedImg = getElToAnimate(image);
                        }

animatedImg.css( mfp._getOffset(true) );
                        mfp.wrap.append(animatedImg);
                        mfp.content.css('visibility', 'hidden');

setTimeout(function() {
                            animatedImg.css( mfp._getOffset() );
                        }, 16);
                    }

});

_mfpOn(CLOSE_EVENT+ns, function() {
                    if(mfp._allowZoom()) {
                        showMainContent();
                        if(animatedImg) {
                            animatedImg.remove();
                        }
                        image = null;
                    }
                });
            },

_allowZoom: function() {
                return mfp.currItem.type === 'image';
            },

_getItemToZoom: function() {
                if(mfp.currItem.hasSize) {
                    return mfp.currItem.img;
                } else {
                    return false;
                }
            },

// Get element postion relative to viewport
            _getOffset: function(isLarge) {
                var el;
                if(isLarge) {
                    el = mfp.currItem.img;
                } else {
                    el = mfp.st.zoom.opener(mfp.currItem.el || mfp.currItem);
                }

var offset = el.offset();
                var paddingTop = parseInt(el.css('padding-top'),10);
                var paddingBottom = parseInt(el.css('padding-bottom'),10);
                offset.top -= ( $(window).scrollTop() - paddingTop );

Animating left + top + width/height looks glitchy in Firefox, but perfect in Chrome. And vice-versa.

*/
                var obj = {
                    width: el.width(),
                    // fix Zepto height+padding issue
                    height: (_isJQ ? el.innerHeight() : el[0].offsetHeight) - paddingBottom - paddingTop
                };

// I hate to do this, but there is no another option
                if( getHasMozTransform() ) {
                    obj['-moz-transform'] = obj['transform'] = 'translate(' + offset.left + 'px,' + offset.top + 'px)';
                } else {
                    obj.left = offset.left;
                    obj.top = offset.top;
                }
                return obj;
            }

}
    });

/*>>zoom*/

/*>>iframe*/

var IFRAME_NS = 'iframe',
        _emptyPage = '//about:blank',

_fixIframeBugs = function(isShowing) {
            if(mfp.currTemplate[IFRAME_NS]) {
                var el = mfp.currTemplate[IFRAME_NS].find('iframe');
                if(el.length) {
                    // reset src after the popup is closed to avoid "video keeps playing after popup is closed" bug
                    if(!isShowing) {
                        el[0].src = _emptyPage;
                    }

// IE8 black screen bug fix
                    if(mfp.isIE8) {
                        el.css('display', isShowing ? 'block' : 'none');
                    }
                }
            }
        };

$.magnificPopup.registerModule(IFRAME_NS, {

options: {
            markup: '<div class="mfp-iframe-scaler">'+
            '<div class="mfp-close"></div>'+
            '<iframe class="mfp-iframe" src="//about:blank" frameborder="0" allowfullscreen></iframe>'+
            '</div>',

srcAction: 'iframe_src',

// we don't care and support only one default type of URL by default
            patterns: {
                youtube: {
                    index: 'youtube.com',
                    id: 'v=',
                    src: '//www.youtube.com/embed/%id%?autoplay=1'
                },
                vimeo: {
                    index: 'vimeo.com/',
                    id: '/',
                    src: '//player.vimeo.com/video/%id%?autoplay=1'
                },
                gmaps: {
                    index: '//maps.google.',
                    src: '%id%&output=embed'
                }
            }
        },

proto: {
            initIframe: function() {
                mfp.types.push(IFRAME_NS);

_mfpOn('BeforeChange', function(e, prevType, newType) {
                    if(prevType !== newType) {
                        if(prevType === IFRAME_NS) {
                            _fixIframeBugs(); // iframe if removed
                        } else if(newType === IFRAME_NS) {
                            _fixIframeBugs(true); // iframe is showing
                        }
                    }// else {
                    // iframe source is switched, don't do anything
                    //}
                });

_mfpOn(CLOSE_EVENT + '.' + IFRAME_NS, function() {
                    _fixIframeBugs();
                });
            },

getIframe: function(item, template) {
                var embedSrc = item.src;
                var iframeSt = mfp.st.iframe;

$.each(iframeSt.patterns, function() {
                    if(embedSrc.indexOf( this.index ) > -1) {
                        if(this.id) {
                            if(typeof this.id === 'string') {
                                embedSrc = embedSrc.substr(embedSrc.lastIndexOf(this.id)+this.id.length, embedSrc.length);
                            } else {
                                embedSrc = this.id.call( this, embedSrc );
                            }
                        }
                        embedSrc = this.src.replace('%id%', embedSrc );
                        return false; // break;
                    }
                });

var dataObj = {};
                if(iframeSt.srcAction) {
                    dataObj[iframeSt.srcAction] = embedSrc;
                }
                mfp._parseMarkup(template, dataObj, item);

mfp.updateStatus('ready');

return template;
            }
        }
    });

/*>>iframe*/

/*>>gallery*/
    /**
     * Get looped index depending on number of slides
     */
    var _getLoopedId = function(index) {
            var numSlides = mfp.items.length;
            if(index > numSlides - 1) {
                return index - numSlides;
            } else  if(index < 0) {
                return numSlides + index;
            }
            return index;
        },
        _replaceCurrTotal = function(text, curr, total) {
            return text.replace(/%curr%/gi, curr + 1).replace(/%total%/gi, total);
        };

$.magnificPopup.registerModule('gallery', {

options: {
            enabled: false,
            arrowMarkup: '<button title="%title%" type="button" class="mfp-arrow mfp-arrow-%dir%"></button>',
            preload: [0,2],
            navigateByImgClick: true,
            arrows: true,

tPrev: 'Previous (Left arrow key)',
            tNext: 'Next (Right arrow key)',
            tCounter: '%curr% of %total%'
        },

proto: {
            initGallery: function() {

var gSt = mfp.st.gallery,
                    ns = '.mfp-gallery';

mfp.direction = true; // true - next, false - prev

if(!gSt || !gSt.enabled ) return false;

_wrapClasses += ' mfp-gallery';

_mfpOn(OPEN_EVENT+ns, function() {

if(gSt.navigateByImgClick) {
                        mfp.wrap.on('click'+ns, '.mfp-img', function() {
                            if(mfp.items.length > 1) {
                                mfp.next();
                                return false;
                            }
                        });
                    }

_document.on('keydown'+ns, function(e) {
                        if (e.keyCode === 37) {
                            mfp.prev();
                        } else if (e.keyCode === 39) {
                            mfp.next();
                        }
                    });
                });

_mfpOn('UpdateStatus'+ns, function(e, data) {
                    if(data.text) {
                        data.text = _replaceCurrTotal(data.text, mfp.currItem.index, mfp.items.length);
                    }
                });

_mfpOn(MARKUP_PARSE_EVENT+ns, function(e, element, values, item) {
                    var l = mfp.items.length;
                    values.counter = l > 1 ? _replaceCurrTotal(gSt.tCounter, item.index, l) : '';
                });

_mfpOn('BuildControls' + ns, function() {
                    if(mfp.items.length > 1 && gSt.arrows && !mfp.arrowLeft) {
                        var markup = gSt.arrowMarkup,
                            arrowLeft = mfp.arrowLeft = $( markup.replace(/%title%/gi, gSt.tPrev).replace(/%dir%/gi, 'left') ).addClass(PREVENT_CLOSE_CLASS),
                            arrowRight = mfp.arrowRight = $( markup.replace(/%title%/gi, gSt.tNext).replace(/%dir%/gi, 'right') ).addClass(PREVENT_CLOSE_CLASS);

arrowLeft.click(function() {
                            mfp.prev();
                        });
                        arrowRight.click(function() {
                            mfp.next();
                        });

mfp.container.append(arrowLeft.add(arrowRight));
                    }
                });

_mfpOn(CHANGE_EVENT+ns, function() {
                    if(mfp._preloadTimeout) clearTimeout(mfp._preloadTimeout);

mfp._preloadTimeout = setTimeout(function() {
                        mfp.preloadNearbyImages();
                        mfp._preloadTimeout = null;
                    }, 16);
                });

_mfpOn(CLOSE_EVENT+ns, function() {
                    _document.off(ns);
                    mfp.wrap.off('click'+ns);
                    mfp.arrowRight = mfp.arrowLeft = null;
                });

},
            next: function() {
                mfp.direction = true;
                mfp.index = _getLoopedId(mfp.index + 1);
                mfp.updateItemHTML();
            },
            prev: function() {
                mfp.direction = false;
                mfp.index = _getLoopedId(mfp.index - 1);
                mfp.updateItemHTML();
            },
            goTo: function(newIndex) {
                mfp.direction = (newIndex >= mfp.index);
                mfp.index = newIndex;
                mfp.updateItemHTML();
            },
            preloadNearbyImages: function() {
                var p = mfp.st.gallery.preload,
                    preloadBefore = Math.min(p[0], mfp.items.length),
                    preloadAfter = Math.min(p[1], mfp.items.length),
                    i;

for(i = 1; i <= (mfp.direction ? preloadAfter : preloadBefore); i++) {
                    mfp._preloadItem(mfp.index+i);
                }
                for(i = 1; i <= (mfp.direction ? preloadBefore : preloadAfter); i++) {
                    mfp._preloadItem(mfp.index-i);
                }
            },
            _preloadItem: function(index) {
                index = _getLoopedId(index);

if(mfp.items[index].preloaded) {
                    return;
                }

var item = mfp.items[index];
                if(!item.parsed) {
                    item = mfp.parseEl( index );
                }

_mfpTrigger('LazyLoad', item);

if(item.type === 'image') {
                    item.img = $('<img class="mfp-img" />').on('load.mfploader', function() {
                        item.hasSize = true;
                    }).on('error.mfploader', function() {
                        item.hasSize = true;
                        item.loadError = true;
                        _mfpTrigger('LazyLoadError', item);
                    }).attr('src', item.src);
                }

item.preloaded = true;
            }
        }
    });

/*>>gallery*/

/*>>retina*/

var RETINA_NS = 'retina';

$.magnificPopup.registerModule(RETINA_NS, {
        options: {
            replaceSrc: function(item) {
                return item.src.replace(/\.\w+$/, function(m) { return '@2x' + m; });
            },
            ratio: 1 // Function or number.  Set to 1 to disable.
        },
        proto: {
            initRetina: function() {
                if(window.devicePixelRatio > 1) {

var st = mfp.st.retina,
                        ratio = st.ratio;

ratio = !isNaN(ratio) ? ratio : ratio();

if(ratio > 1) {
                        _mfpOn('ImageHasSize' + '.' + RETINA_NS, function(e, item) {
                            item.img.css({
                                'max-width': item.img[0].naturalWidth / ratio,
                                'width': '100%'
                            });
                        });
                        _mfpOn('ElementParse' + '.' + RETINA_NS, function(e, item) {
                            item.src = st.replaceSrc(item, ratio);
                        });
                    }
                }

}
        }
    });

/*>>retina*/
    _checkInstance(); }));