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/*
 * Lightcase - jQuery Plugin
 * The smart and flexible Lightbox Plugin.
 *
 * @author		Cornel Boppart <cornel@bopp-art.com>
 * @copyright	Author
 *
 * @version		2.4.0 (09/04/2017)
 */

;(function ($) {

    'use strict';

    var _self = {
        cache: {},

        support: {},

        objects: {},

        /**
         * Initializes the plugin
         *
         * @param	{object}	options
         * @return	{object}
         */
        init: function (options) {
            return this.each(function () {
                $(this).unbind('click.lightcase').bind('click.lightcase', function (event) {
                    event.preventDefault();
                    $(this).lightcase('start', options);
                });
            });
        },

        /**
         * Starts the plugin
         *
         * @param	{object}	options
         * @return	{void}
         */
        start: function (options) {
            _self.origin = lightcase.origin = this;

            _self.settings = lightcase.settings = $.extend(true, {
                    idPrefix: 'lightcase-',
                    classPrefix: 'lightcase-',
                    attrPrefix: 'lc-',
                    transition: 'elastic',
                    transitionOpen: null,
                    transitionClose: null,
                    transitionIn: null,
                    transitionOut: null,
                    cssTransitions: true,
                    speedIn: 250,
                    speedOut: 250,
                    width: null,
                    height: null,
                    maxWidth: 800,
                    maxHeight: 500,
                    forceWidth: false,
                    forceHeight: false,
                    liveResize: true,
                    fullScreenModeForMobile: true,
                    mobileMatchExpression: /(iphone|ipod|ipad|android|blackberry|symbian)/,
                    disableShrink: false,
                    fixedRatio: true,
                    shrinkFactor: .75,
                    overlayOpacity: .9,
                    slideshow: false,
                    slideshowAutoStart: true,
                    timeout: 5000,
                    swipe: true,
                    useKeys: true,
                    useCategories: true,
                    useAsCollection: false,
                    navigateEndless: true,
                    closeOnOverlayClick: true,
                    title: null,
                    caption: null,
                    showTitle: true,
                    showCaption: true,
                    showSequenceInfo: true,
                    inline: {
                        width: 'auto',
                        height: 'auto'
                    },
                    ajax: {
                        width: 'auto',
                        height: 'auto',
                        type: 'get',
                        dataType: 'html',
                        data: {}
                    },
                    iframe: {
                        width: 800,
                        height: 500,
                        frameborder: 0
                    },
                    flash: {
                        width: 400,
                        height: 205,
                        wmode: 'transparent'
                    },
                    video: {
                        width: 400,
                        height: 225,
                        poster: '',
                        preload: 'auto',
                        controls: true,
                        autobuffer: true,
                        autoplay: true,
                        loop: false
                    },
                    attr: 'data-rel',
                    href: null,
                    type: null,
                    typeMapping: {
                        'image': 'jpg,jpeg,gif,png,bmp',
                        'flash': 'swf',
                        'video': 'mp4,mov,ogv,ogg,webm',
                        'iframe': 'html,php',
                        'ajax': 'json,txt',
                        'inline': '#'
                    },
                    errorMessage: function () {
                        return '<p class="' + _self.settings.classPrefix + 'error">' + _self.settings.labels['errorMessage'] + '</p>';
                    },
                    labels: {
                        'errorMessage': 'Source could not be found...',
                        'sequenceInfo.of': ' of ',
                        'close': 'Close',
                        'navigator.prev': 'Prev',
                        'navigator.next': 'Next',
                        'navigator.play': 'Play',
                        'navigator.pause': 'Pause'
                    },
                    markup: function () {
                        _self.objects.body.append(
                            _self.objects.overlay = $('<div id="' + _self.settings.idPrefix + 'overlay"></div>'),
                            _self.objects.loading = $('<div id="' + _self.settings.idPrefix + 'loading" class="' + _self.settings.classPrefix + 'icon-spin"></div>'),
                            _self.objects.case = $('<div id="' + _self.settings.idPrefix + 'case" aria-hidden="true" role="dialog"></div>')
                        );
                        _self.objects.case.after(
                            _self.objects.close = $('<a href="#" class="' + _self.settings.classPrefix + 'icon-close"><span>' + _self.settings.labels['close'] + '</span></a>'),
                            _self.objects.nav = $('<div id="' + _self.settings.idPrefix + 'nav"></div>')
                        );
                        _self.objects.nav.append(
                            _self.objects.prev = $('<a href="#" class="' + _self.settings.classPrefix + 'icon-prev"><span>' + _self.settings.labels['navigator.prev'] + '</span></a>').hide(),
                            _self.objects.next = $('<a href="#" class="' + _self.settings.classPrefix + 'icon-next"><span>' + _self.settings.labels['navigator.next'] + '</span></a>').hide(),
                            _self.objects.play = $('<a href="#" class="' + _self.settings.classPrefix + 'icon-play"><span>' + _self.settings.labels['navigator.play'] + '</span></a>').hide(),
                            _self.objects.pause = $('<a href="#" class="' + _self.settings.classPrefix + 'icon-pause"><span>' + _self.settings.labels['navigator.pause'] + '</span></a>').hide()
                        );
                        _self.objects.case.append(
                            _self.objects.content = $('<div id="' + _self.settings.idPrefix + 'content"></div>'),
                            _self.objects.info = $('<div id="' + _self.settings.idPrefix + 'info"></div>')
                        );
                        _self.objects.content.append(
                            _self.objects.contentInner = $('<div class="' + _self.settings.classPrefix + 'contentInner"></div>')
                        );
                        _self.objects.info.append(
                            _self.objects.sequenceInfo = $('<div id="' + _self.settings.idPrefix + 'sequenceInfo"></div>'),
                            _self.objects.title = $('<h4 id="' + _self.settings.idPrefix + 'title"></h4>'),
                            _self.objects.caption = $('<p id="' + _self.settings.idPrefix + 'caption"></p>')
                        );
                    },
                    onInit: {},
                    onStart: {},
                    onFinish: {},
                    onResize: {},
                    onClose: {},
                    onCleanup: {}
                },
                options,
                // Load options from data-lc-options attribute
                _self.origin.data ? _self.origin.data('lc-options') : {});

            _self.objects.document = $('html');
            _self.objects.body = $('body');

            // Call onInit hook functions
            _self._callHooks(_self.settings.onInit);

            _self.objectData = _self._setObjectData(this);

            _self._addElements();
            _self._open();

            _self.dimensions = _self.getViewportDimensions();
        },

        /**
         * Getter method for objects
         *
         * @param	{string}	name
         * @return	{object}
         */
        get: function (name) {
            return _self.objects[name];
        },

        /**
         * Getter method for objectData
         *
         * @return	{object}
         */
        getObjectData: function () {
            return _self.objectData;
        },

        /**
         * Sets the object data
         *
         * @param	{object}	object
         * @return	{object}	objectData
         */
        _setObjectData: function (object) {
            var $object = $(object),
                objectData = {
                    this: $(object),
                    title: _self.settings.title || $object.attr(_self._prefixAttributeName('title')) || $object.attr('title'),
                    caption: _self.settings.caption || $object.attr(_self._prefixAttributeName('caption')) || $object.children('img').attr('alt'),
                    url: _self._determineUrl(),
                    requestType: _self.settings.ajax.type,
                    requestData: _self.settings.ajax.data,
                    requestDataType: _self.settings.ajax.dataType,
                    rel: $object.attr(_self._determineAttributeSelector()),
                    type: _self.settings.type || _self._verifyDataType(_self._determineUrl()),
                    isPartOfSequence: _self.settings.useAsCollection || _self._isPartOfSequence($object.attr(_self.settings.attr), ':'),
                    isPartOfSequenceWithSlideshow: _self._isPartOfSequence($object.attr(_self.settings.attr), ':slideshow'),
                    currentIndex: $(_self._determineAttributeSelector()).index($object),
                    sequenceLength: $(_self._determineAttributeSelector()).length
                };

            // Add sequence info to objectData
            objectData.sequenceInfo = (objectData.currentIndex + 1) + _self.settings.labels['sequenceInfo.of'] + objectData.sequenceLength;

            // Add next/prev index
            objectData.prevIndex = objectData.currentIndex - 1;
            objectData.nextIndex = objectData.currentIndex + 1;

            return objectData;
        },

        /**
         * Prefixes a data attribute name with defined name from 'settings.attrPrefix'
         * to ensure more uniqueness for all lightcase related/used attributes.
         *
         * @param	{string}	name
         * @return	{string}
         */
        _prefixAttributeName: function (name) {
            return 'data-' + _self.settings.attrPrefix + name;
        },

        /**
         * Determines the link target considering 'settings.href' and data attributes
         * but also with a fallback to the default 'href' value.
         *
         * @return	{string}
         */
        _determineLinkTarget: function () {
            return _self.settings.href || $(_self.origin).attr(_self._prefixAttributeName('href')) || $(_self.origin).attr('href');
        },

        /**
         * Determines the attribute selector to use, depending on
         * whether categorized collections are beeing used or not.
         *
         * @return	{string}	selector
         */
        _determineAttributeSelector: function () {
            var	$origin = $(_self.origin),
                selector = '';

            if (typeof _self.cache.selector !== 'undefined') {
                selector = _self.cache.selector;
            } else if (_self.settings.useCategories === true && $origin.attr(_self._prefixAttributeName('categories'))) {
                var	categories = $origin.attr(_self._prefixAttributeName('categories')).split(' ');

                $.each(categories, function (index, category) {
                    if (index > 0) {
                        selector += ',';
                    }
                    selector += '[' + _self._prefixAttributeName('categories') + '~="' + category + '"]';
                });
            } else {
                selector = '[' + _self.settings.attr + '="' + $origin.attr(_self.settings.attr) + '"]';
            }

            _self.cache.selector = selector;

            return selector;
        },

        /**
         * Determines the correct resource according to the
         * current viewport and density.
         *
         * @return	{string}	url
         */
        _determineUrl: function () {
            var	dataUrl = _self._verifyDataUrl(_self._determineLinkTarget()),
                width = 0,
                density = 0,
                supportLevel = '',
                url;

            $.each(dataUrl, function (index, src) {
                switch (_self._verifyDataType(src.url)) {
                    case 'video':
                        var	video = document.createElement('video'),
                            videoType = _self._verifyDataType(src.url) + '/' + _self._getFileUrlSuffix(src.url);

                        // Check if browser can play this type of video format
                        if (supportLevel !== 'probably' && supportLevel !== video.canPlayType(videoType) && video.canPlayType(videoType) !== '') {
                            supportLevel = video.canPlayType(videoType);
                            url = src.url;
                        }
                        break;
                    default:
                        if (
                            // Check density
                        _self._devicePixelRatio() >= src.density &&
                        src.density >= density &&
                            // Check viewport width
                        _self._matchMedia()('screen and (min-width:' + src.width + 'px)').matches &&
                        src.width >= width
                        ) {
                            width = src.width;
                            density = src.density;
                            url = src.url;
                        }
                        break;
                }
            });

            return url;
        },

        /**
         * Normalizes an url and returns information about the resource path,
         * the viewport width as well as density if defined.
         *
         * @param	{string}	url	Path to resource in format of an url or srcset
         * @return	{object}
         */
        _normalizeUrl: function (url) {
            var srcExp = /^\d+$/;

            return url.split(',').map(function (str) {
                var src = {
                    width: 0,
                    density: 0
                };

                str.trim().split(/\s+/).forEach(function (url, i) {
                    if (i === 0) {
                        return src.url = url;
                    }

                    var value = url.substring(0, url.length - 1),
                        lastChar = url[url.length - 1],
                        intVal = parseInt(value, 10),
                        floatVal = parseFloat(value);
                    if (lastChar === 'w' && srcExp.test(value)) {
                        src.width = intVal;
                    } else if (lastChar === 'h' && srcExp.test(value)) {
                        src.height = intVal;
                    } else if (lastChar === 'x' && !isNaN(floatVal)) {
                        src.density = floatVal;
                    }
                });

                return src;
            });
        },

        /**
         * Verifies if the link is part of a sequence
         *
         * @param	{string}	rel
         * @param	{string}	expression
         * @return	{boolean}
         */
        _isPartOfSequence: function (rel, expression) {
            var getSimilarLinks = $('[' + _self.settings.attr + '="' + rel + '"]'),
                regexp = new RegExp(expression);

            return (regexp.test(rel) && getSimilarLinks.length > 1);
        },

        /**
         * Verifies if the slideshow should be enabled
         *
         * @return	{boolean}
         */
        isSlideshowEnabled: function () {
            return (_self.objectData.isPartOfSequence && (_self.settings.slideshow === true || _self.objectData.isPartOfSequenceWithSlideshow === true));
        },

        /**
         * Loads the new content to show
         *
         * @return	{void}
         */
        _loadContent: function () {
            if (_self.cache.originalObject) {
                _self._restoreObject();
            }

            _self._createObject();
        },

        /**
         * Creates a new object
         *
         * @return	{void}
         */
        _createObject: function () {
            var $object;

            // Create object
            switch (_self.objectData.type) {
                case 'image':
                    $object = $(new Image());
                    $object.attr({
                        // The time expression is required to prevent the binding of an image load
                        'src': _self.objectData.url,
                        'alt': _self.objectData.title
                    });
                    break;
                case 'inline':
                    $object = $('<div class="' + _self.settings.classPrefix + 'inlineWrap"></div>');
                    $object.html(_self._cloneObject($(_self.objectData.url)));

                    // Add custom attributes from _self.settings
                    $.each(_self.settings.inline, function (name, value) {
                        $object.attr(_self._prefixAttributeName(name), value);
                    });
                    break;
                case 'ajax':
                    $object = $('<div class="' + _self.settings.classPrefix + 'inlineWrap"></div>');

                    // Add custom attributes from _self.settings
                    $.each(_self.settings.ajax, function (name, value) {
                        if (name !== 'data') {
                            $object.attr(_self._prefixAttributeName(name), value);
                        }
                    });
                    break;
                case 'flash':
                    $object = $('<embed src="' + _self.objectData.url + '" type="application/x-shockwave-flash"></embed>');

                    // Add custom attributes from _self.settings
                    $.each(_self.settings.flash, function (name, value) {
                        $object.attr(name, value);
                    });
                    break;
                case 'video':
                    $object = $('<video></video>');
                    $object.attr('src', _self.objectData.url);

                    // Add custom attributes from _self.settings
                    $.each(_self.settings.video, function (name, value) {
                        $object.attr(name, value);
                    });
                    break;
                default:
                    $object = $('<iframe></iframe>');
                    $object.attr({
                        'src': _self.objectData.url
                    });

                    // Add custom attributes from _self.settings
                    $.each(_self.settings.iframe, function (name, value) {
                        $object.attr(name, value);
                    });
                    break;
            }

            _self._addObject($object);
            _self._loadObject($object);
        },

        /**
         * Adds the new object to the markup
         *
         * @param	{object}	$object
         * @return	{void}
         */
        _addObject: function ($object) {
            // Add object to content holder
            _self.objects.contentInner.html($object);

            // Start loading
            _self._loading('start');

            // Call onStart hook functions
            _self._callHooks(_self.settings.onStart);

            // Add sequenceInfo to the content holder or hide if its empty
            if (_self.settings.showSequenceInfo === true && _self.objectData.isPartOfSequence) {
                _self.objects.sequenceInfo.html(_self.objectData.sequenceInfo);
                _self.objects.sequenceInfo.show();
            } else {
                _self.objects.sequenceInfo.empty();
                _self.objects.sequenceInfo.hide();
            }
            // Add title to the content holder or hide if its empty
            if (_self.settings.showTitle === true && _self.objectData.title !== undefined && _self.objectData.title !== '') {
                _self.objects.title.html(_self.objectData.title);
                _self.objects.title.show();
            } else {
                _self.objects.title.empty();
                _self.objects.title.hide();
            }
            // Add caption to the content holder or hide if its empty
            if (_self.settings.showCaption === true && _self.objectData.caption !== undefined && _self.objectData.caption !== '') {
                _self.objects.caption.html(_self.objectData.caption);
                _self.objects.caption.show();
            } else {
                _self.objects.caption.empty();
                _self.objects.caption.hide();
            }
        },

        /**
         * Loads the new object
         *
         * @param	{object}	$object
         * @return	{void}
         */
        _loadObject: function ($object) {
            // Load the object
            switch (_self.objectData.type) {
                case 'inline':
                    if ($(_self.objectData.url)) {
                        _self._showContent($object);
                    } else {
                        _self.error();
                    }
                    break;
                case 'ajax':
                    $.ajax(
                        $.extend({}, _self.settings.ajax, {
                            url: _self.objectData.url,
                            type: _self.objectData.requestType,
                            dataType: _self.objectData.requestDataType,
                            data: _self.objectData.requestData,
                            success: function (data, textStatus, jqXHR) {
                                // Unserialize if data is transferred as json
                                if (_self.objectData.requestDataType === 'json') {
                                    _self.objectData.data = data;
                                } else {
                                    $object.html(data);
                                }
                                _self._showContent($object);
                            },
                            error: function (jqXHR, textStatus, errorThrown) {
                                _self.error();
                            }
                        })
                    );
                    break;
                case 'flash':
                    _self._showContent($object);
                    break;
                case 'video':
                    if (typeof($object.get(0).canPlayType) === 'function' || _self.objects.case.find('video').length === 0) {
                        _self._showContent($object);
                    } else {
                        _self.error();
                    }
                    break;
                default:
                    if (_self.objectData.url) {
                        $object.on('load', function () {
                            _self._showContent($object);
                        });
                        $object.on('error', function () {
                            _self.error();
                        });
                    } else {
                        _self.error();
                    }
                    break;
            }
        },

        /**
         * Throws an error message if something went wrong
         *
         * @return	{void}
         */
        error: function () {
            _self.objectData.type = 'error';
            var $object = $('<div class="' + _self.settings.classPrefix + 'inlineWrap"></div>');

            $object.html(_self.settings.errorMessage);
            _self.objects.contentInner.html($object);

            _self._showContent(_self.objects.contentInner);
        },

        /**
         * Calculates the dimensions to fit content
         *
         * @param	{object}	$object
         * @return	{void}
         */
        _calculateDimensions: function ($object) {
            _self._cleanupDimensions();

            // Set default dimensions
            var dimensions = {
                ratio: 1,
                objectWidth: $object.attr('width') ? $object.attr('width') : $object.attr(_self._prefixAttributeName('width')),
                objectHeight: $object.attr('height') ? $object.attr('height') : $object.attr(_self._prefixAttributeName('height'))
            };

            if (!_self.settings.disableShrink) {
                // Add calculated maximum width/height to dimensions
                dimensions.maxWidth = parseInt(_self.dimensions.windowWidth * _self.settings.shrinkFactor);
                dimensions.maxHeight = parseInt(_self.dimensions.windowHeight * _self.settings.shrinkFactor);

                // If the auto calculated maxWidth/maxHeight greather than the user-defined one, use that.
                if (dimensions.maxWidth > _self.settings.maxWidth) {
                    dimensions.maxWidth = _self.settings.maxWidth;
                }
                if (dimensions.maxHeight > _self.settings.maxHeight) {
                    dimensions.maxHeight = _self.settings.maxHeight;
                }

                // Calculate the difference between screen width/height and image width/height
                dimensions.differenceWidthAsPercent = parseInt(100 / dimensions.maxWidth * dimensions.objectWidth);
                dimensions.differenceHeightAsPercent = parseInt(100 / dimensions.maxHeight * dimensions.objectHeight);

                switch (_self.objectData.type) {
                    case 'image':
                    case 'flash':
                    case 'video':
                    case 'iframe':
                    case 'ajax':
                    case 'inline':
                        if (_self.objectData.type === 'image' || _self.settings.fixedRatio === true) {
                            if (dimensions.differenceWidthAsPercent > 100 && dimensions.differenceWidthAsPercent > dimensions.differenceHeightAsPercent) {
                                dimensions.objectWidth = dimensions.maxWidth;
                                dimensions.objectHeight = parseInt(dimensions.objectHeight / dimensions.differenceWidthAsPercent * 100);
                            }
                            if (dimensions.differenceHeightAsPercent > 100 && dimensions.differenceHeightAsPercent > dimensions.differenceWidthAsPercent) {
                                dimensions.objectWidth = parseInt(dimensions.objectWidth / dimensions.differenceHeightAsPercent * 100);
                                dimensions.objectHeight = dimensions.maxHeight;
                            }
                            if (dimensions.differenceHeightAsPercent > 100 && dimensions.differenceWidthAsPercent < dimensions.differenceHeightAsPercent) {
                                dimensions.objectWidth = parseInt(dimensions.maxWidth / dimensions.differenceHeightAsPercent * dimensions.differenceWidthAsPercent);
                                dimensions.objectHeight = dimensions.maxHeight;
                            }
                            break;
                        }
                    case 'error':
                        if (!isNaN(dimensions.objectWidth) && dimensions.objectWidth > dimensions.maxWidth) {
                            dimensions.objectWidth = dimensions.maxWidth;
                        }
                        break;
                    default:
                        if ((isNaN(dimensions.objectWidth) || dimensions.objectWidth > dimensions.maxWidth) && !_self.settings.forceWidth) {
                            dimensions.objectWidth = dimensions.maxWidth;
                        }
                        if (((isNaN(dimensions.objectHeight) && dimensions.objectHeight !== 'auto') || dimensions.objectHeight > dimensions.maxHeight) && !_self.settings.forceHeight) {
                            dimensions.objectHeight = dimensions.maxHeight;
                        }
                        break;
                }
            }

            if (_self.settings.forceWidth) {
                try {
                    dimensions.objectWidth = _self.settings[_self.objectData.type].width;
                } catch (e) {
                    dimensions.objectWidth = _self.settings.width || dimensions.objectWidth;
                }

                dimensions.maxWidth = null;
            }
            if ($object.attr(_self._prefixAttributeName('max-width'))) {
                dimensions.maxWidth = $object.attr(_self._prefixAttributeName('max-width'));
            }

            if (_self.settings.forceHeight) {
                try {
                    dimensions.objectHeight = _self.settings[_self.objectData.type].height;
                } catch (e) {
                    dimensions.objectHeight = _self.settings.height || dimensions.objectHeight;
                }

                dimensions.maxHeight = null;
            }
            if ($object.attr(_self._prefixAttributeName('max-height'))) {
                dimensions.maxHeight = $object.attr(_self._prefixAttributeName('max-height'));
            }
            _self._adjustDimensions($object, dimensions);
        },

        /**
         * Adjusts the dimensions
         *
         * @param	{object}	$object
         * @param	{object}	dimensions
         * @return	{void}
         */
        _adjustDimensions: function ($object, dimensions) {
            // Adjust width and height
            $object.css({
                'width': dimensions.objectWidth,
                'height': dimensions.objectHeight,
                'max-width': dimensions.maxWidth,
                'max-height': dimensions.maxHeight
            });

            _self.objects.contentInner.css({
                'width': $object.outerWidth(),
                'height': $object.outerHeight(),
                'max-width': '100%'
            });

            _self.objects.case.css({
                'width': _self.objects.contentInner.outerWidth()
            });

            // Adjust margin
            _self.objects.case.css({
                'margin-top': parseInt(-(_self.objects.case.outerHeight() / 2)),
                'margin-left': parseInt(-(_self.objects.case.outerWidth() / 2))
            });

            var _mt = parseInt(((_self.dimensions.windowHeight-_self.objects.contentInner.outerHeight()) / 2)) - 32;

            _self.objects.contentInner.css({
                'margin-top': _mt > 0 ? _mt : 50
            });

        },

        /**
         * Handles the _loading
         *
         * @param	{string}	process
         * @return	{void}
         */
        _loading: function (process) {
            if (process === 'start') {
                _self.objects.case.addClass(_self.settings.classPrefix + 'loading');
                _self.objects.loading.show();
            } else if (process === 'end') {
                _self.objects.case.removeClass(_self.settings.classPrefix + 'loading');
                _self.objects.loading.hide();
            }
        },


        /**
         * Gets the client screen dimensions
         *
         * @return	{object}	dimensions
         */
        getViewportDimensions: function () {
            return {
                windowWidth: $(window).innerWidth(),
                windowHeight: $(window).innerHeight()
            };
        },

        /**
         * Verifies the url
         *
         * @param	{string}	dataUrl
         * @return	{object}	dataUrl	Clean url for processing content
         */
        _verifyDataUrl: function (dataUrl) {
            if (!dataUrl || dataUrl === undefined || dataUrl === '') {
                return false;
            }

            if (dataUrl.indexOf('#') > -1) {
                dataUrl = dataUrl.split('#');
                dataUrl = '#' + dataUrl[dataUrl.length - 1];
            }

            return _self._normalizeUrl(dataUrl.toString());
        },

        //
        /**
         * Tries to get the (file) suffix of an url
         *
         * @param	{string}	url
         * @return	{string}
         */
        _getFileUrlSuffix: function (url) {
            return url.toLowerCase().split('?')[0].split('.')[1];
        },

        /**
         * Verifies the data type of the content to load
         *
         * @param	{string}			url
         * @return	{string|boolean}	Array key if expression matched, else false
         */
        _verifyDataType: function (url) {
            var typeMapping = _self.settings.typeMapping;

            // Early abort if dataUrl couldn't be verified
            if (!url) {
                return false;
            }

            // Verify the dataType of url according to typeMapping which
            // has been defined in settings.
            for (var key in typeMapping) {
                if (typeMapping.hasOwnProperty(key)) {
                    var suffixArr = typeMapping[key].split(',');

                    for (var i = 0; i < suffixArr.length; i++) {
                        var suffix = suffixArr[i].toLowerCase(),
                            regexp = new RegExp('\.(' + suffix + ')$', 'i'),
                            str = url.toLowerCase().split('?')[0].substr(-5);

                        if (regexp.test(str) === true || (key === 'inline' && (url.indexOf(suffix) > -1))) {
                            return key;
                        }
                    }
                }
            }

            // If no expression matched, return 'iframe'.
            return 'iframe';
        },

        /**
         * Extends html markup with the essential tags
         *
         * @return	{void}
         */
        _addElements: function () {
            if (typeof _self.objects.case !== 'undefined' && $('#' + _self.objects.case.attr('id')).length) {
                return;
            }

            _self.settings.markup();
        },

        /**
         * Shows the loaded content
         *
         * @param	{object}	$object
         * @return	{void}
         */
        _showContent: function ($object) {
            // Add data attribute with the object type
            _self.objects.document.attr(_self._prefixAttributeName('type'), _self.objectData.type);

            _self.cache.object = $object;
            _self._calculateDimensions($object);

            // Call onFinish hook functions
            _self._callHooks(_self.settings.onFinish);

            switch (_self.transition.in()) {
                case 'scrollTop':
                case 'scrollRight':
                case 'scrollBottom':
                case 'scrollLeft':
                case 'scrollHorizontal':
                case 'scrollVertical':
                    _self.transition.scroll(_self.objects.case, 'in', _self.settings.speedIn);
                    _self.transition.fade(_self.objects.contentInner, 'in', _self.settings.speedIn);
                    break;
                case 'elastic':
                    if (_self.objects.case.css('opacity') < 1) {
                        _self.transition.zoom(_self.objects.case, 'in', _self.settings.speedIn);
                        _self.transition.fade(_self.objects.contentInner, 'in', _self.settings.speedIn);
                    }
                case 'fade':
                case 'fadeInline':
                    _self.transition.fade(_self.objects.case, 'in', _self.settings.speedIn);
                    _self.transition.fade(_self.objects.contentInner, 'in', _self.settings.speedIn);
                    break;
                default:
                    _self.transition.fade(_self.objects.case, 'in', 0);
                    break;
            }

            // End loading.
            _self._loading('end');
            _self.isBusy = false;

            // Set index of the first item opened
            if (!_self.cache.firstOpened) {
                _self.cache.firstOpened = _self.objectData.this;
            }

            // Fade in the info with delay
            _self.objects.info.hide();
            setTimeout(function () {
                _self.transition.fade(_self.objects.info, 'in', _self.settings.speedIn);
            }, _self.settings.speedIn);
        },

        /**
         * Processes the content to show
         *
         * @return	{void}
         */
        _processContent: function () {
            _self.isBusy = true;

            // Fade out the info at first
            _self.transition.fade(_self.objects.info, 'out', 0);

            switch (_self.settings.transitionOut) {
                case 'scrollTop':
                case 'scrollRight':
                case 'scrollBottom':
                case 'scrollLeft':
                case 'scrollVertical':
                case 'scrollHorizontal':
                    if (_self.objects.case.is(':hidden')) {
                        _self.transition.fade(_self.objects.contentInner, 'out', 0);
                        _self.transition.fade(_self.objects.case, 'out', 0, 0, function () {
                            _self._loadContent();
                        });
                    } else {
                        _self.transition.scroll(_self.objects.case, 'out', _self.settings.speedOut, function () {
                            _self._loadContent();
                        });
                    }
                    break;
                case 'fade':
                    if (_self.objects.case.is(':hidden')) {
                        _self.transition.fade(_self.objects.case, 'out', 0, 0, function () {
                            _self._loadContent();
                        });
                    } else {
                        _self.transition.fade(_self.objects.case, 'out', _self.settings.speedOut, 0, function () {
                            _self._loadContent();
                        });
                    }
                    break;
                case 'fadeInline':
                case 'elastic':
                    if (_self.objects.case.is(':hidden')) {
                        _self.transition.fade(_self.objects.case, 'out', 0, 0, function () {
                            _self._loadContent();
                        });
                    } else {
                        _self.transition.fade(_self.objects.contentInner, 'out', _self.settings.speedOut, 0, function () {
                            _self._loadContent();
                        });
                    }
                    break;
                default:
                    _self.transition.fade(_self.objects.case, 'out', 0, 0, function () {
                        _self._loadContent();
                    });
                    break;
            }
        },

        /**
         * Handles events for gallery buttons
         *
         * @return	{void}
         */
        _handleEvents: function () {
            _self._unbindEvents();

            _self.objects.nav.children().not(_self.objects.close).hide();

            // If slideshow is enabled, show play/pause and start timeout.
            if (_self.isSlideshowEnabled()) {
                // Only start the timeout if slideshow autostart is enabled and slideshow is not pausing
                if (
                    (_self.settings.slideshowAutoStart === true || _self.isSlideshowStarted) &&
                    !_self.objects.nav.hasClass(_self.settings.classPrefix + 'paused')
                ) {
                    _self._startTimeout();
                } else {
                    _self._stopTimeout();
                }
            }

            if (_self.settings.liveResize) {
                _self._watchResizeInteraction();
            }

            _self.objects.close.click(function (event) {
                event.preventDefault();
                _self.close();
            });

            if (_self.settings.closeOnOverlayClick === true) {
                _self.objects.overlay.css('cursor', 'pointer').click(function (event) {
                    event.preventDefault();

                    _self.close();
                });
            }

            if (_self.settings.useKeys === true) {
                _self._addKeyEvents();
            }

            if (_self.objectData.isPartOfSequence) {
                _self.objects.nav.attr(_self._prefixAttributeName('ispartofsequence'), true);
                _self.objects.nav.data('items', _self._setNavigation());

                _self.objects.prev.click(function (event) {
                    event.preventDefault();

                    if (_self.settings.navigateEndless === true || !_self.item.isFirst()) {
                        _self.objects.prev.unbind('click');
                        _self.cache.action = 'prev';
                        _self.objects.nav.data('items').prev.click();

                        if (_self.isSlideshowEnabled()) {
                            _self._stopTimeout();
                        }
                    }
                });

                _self.objects.next.click(function (event) {
                    event.preventDefault();

                    if (_self.settings.navigateEndless === true || !_self.item.isLast()) {
                        _self.objects.next.unbind('click');
                        _self.cache.action = 'next';
                        _self.objects.nav.data('items').next.click();

                        if (_self.isSlideshowEnabled()) {
                            _self._stopTimeout();
                        }
                    }
                });

                if (_self.isSlideshowEnabled()) {
                    _self.objects.play.click(function (event) {
                        event.preventDefault();
                        _self._startTimeout();
                    });
                    _self.objects.pause.click(function (event) {
                        event.preventDefault();
                        _self._stopTimeout();
                    });
                }

                // Enable swiping if activated
                if (_self.settings.swipe === true) {
                    if ($.isPlainObject($.event.special.swipeleft)) {
                        _self.objects.case.on('swipeleft', function (event) {
                            event.preventDefault();
                            _self.objects.next.click();
                            if (_self.isSlideshowEnabled()) {
                                _self._stopTimeout();
                            }
                        });
                    }
                    if ($.isPlainObject($.event.special.swiperight)) {
                        _self.objects.case.on('swiperight', function (event) {
                            event.preventDefault();
                            _self.objects.prev.click();
                            if (_self.isSlideshowEnabled()) {
                                _self._stopTimeout();
                            }
                        });
                    }
                }
            }
        },

        /**
         * Adds the key events
         *
         * @return	{void}
         */
        _addKeyEvents: function () {
            $(document).bind('keyup.lightcase', function (event) {
                // Do nothing if lightcase is in process
                if (_self.isBusy) {
                    return;
                }

                switch (event.keyCode) {
                    // Escape key
                    case 27:
                        _self.objects.close.click();
                        break;
                    // Backward key
                    case 37:
                        if (_self.objectData.isPartOfSequence) {
                            _self.objects.prev.click();
                        }
                        break;
                    // Forward key
                    case 39:
                        if (_self.objectData.isPartOfSequence) {
                            _self.objects.next.click();
                        }
                        break;
                }
            });
        },

        /**
         * Starts the slideshow timeout
         *
         * @return	{void}
         */
        _startTimeout: function () {
            _self.isSlideshowStarted = true;

            _self.objects.play.hide();
            _self.objects.pause.show();

            _self.cache.action = 'next';
            _self.objects.nav.removeClass(_self.settings.classPrefix + 'paused');

            _self.timeout = setTimeout(function () {
                _self.objects.nav.data('items').next.click();
            }, _self.settings.timeout);
        },

        /**
         * Stops the slideshow timeout
         *
         * @return	{void}
         */
        _stopTimeout: function () {
            _self.objects.play.show();
            _self.objects.pause.hide();

            _self.objects.nav.addClass(_self.settings.classPrefix + 'paused');

            clearTimeout(_self.timeout);
        },

        /**
         * Sets the navigator buttons (prev/next)
         *
         * @return	{object}	items
         */
        _setNavigation: function () {
            var $links = $((_self.cache.selector || _self.settings.attr)),
                sequenceLength = _self.objectData.sequenceLength - 1,
                items = {
                    prev: $links.eq(_self.objectData.prevIndex),
                    next: $links.eq(_self.objectData.nextIndex)
                };

            if (_self.objectData.currentIndex > 0) {
                _self.objects.prev.show();
            } else {
                items.prevItem = $links.eq(sequenceLength);
            }
            if (_self.objectData.nextIndex <= sequenceLength) {
                _self.objects.next.show();
            } else {
                items.next = $links.eq(0);
            }

            if (_self.settings.navigateEndless === true) {
                _self.objects.prev.show();
                _self.objects.next.show();
            }

            return items;
        },

        /**
         * Item information/status
         *
         */
        item: {
            /**
             * Verifies if the current item is first item.
             *
             * @return	{boolean}
             */
            isFirst: function () {
                return (_self.objectData.currentIndex === 0);
            },

            /**
             * Verifies if the current item is first item opened.
             *
             * @return	{boolean}
             */
            isFirstOpened: function () {
                return _self.objectData.this.is(_self.cache.firstOpened);
            },

            /**
             * Verifies if the current item is last item.
             *
             * @return	{boolean}
             */
            isLast: function () {
                return (_self.objectData.currentIndex === (_self.objectData.sequenceLength - 1));
            }
        },

        /**
         * Clones the object for inline elements
         *
         * @param	{object}	$object
         * @return	{object}	$clone
         */
        _cloneObject: function ($object) {
            var $clone = $object.clone(),
                objectId = $object.attr('id');

            // If element is hidden, cache the object and remove
            if ($object.is(':hidden')) {
                _self._cacheObjectData($object);
                $object.attr('id', _self.settings.idPrefix + 'temp-' + objectId).empty();
            } else {
                // Prevent duplicated id's
                $clone.removeAttr('id');
            }

            return $clone.show();
        },

        /**
         * Verifies if it is a mobile device
         *
         * @return	{boolean}
         */
        isMobileDevice: function () {
            var deviceAgent = navigator.userAgent.toLowerCase(),
                agentId = deviceAgent.match(_self.settings.mobileMatchExpression);

            return agentId ? true : false;
        },

        /**
         * Verifies if css transitions are supported
         *
         * @return	{string|boolean}	The transition prefix if supported, else false.
         */
        isTransitionSupported: function () {
            var body = _self.objects.body.get(0),
                isTransitionSupported = false,
                transitionMapping = {
                    'transition': '',
                    'WebkitTransition': '-webkit-',
                    'MozTransition': '-moz-',
                    'OTransition': '-o-',
                    'MsTransition': '-ms-'
                };

            for (var key in transitionMapping) {
                if (transitionMapping.hasOwnProperty(key) && key in body.style) {
                    _self.support.transition = transitionMapping[key];
                    isTransitionSupported = true;
                }
            }

            return isTransitionSupported;
        },

        /**
         * Transition types
         *
         */
        transition: {
            /**
             * Returns the correct transition type according to the status of interaction.
             *
             * @return	{string}	Transition type
             */
            in: function () {
                if (_self.settings.transitionOpen && !_self.cache.firstOpened) {
                    return _self.settings.transitionOpen;
                }
                return _self.settings.transitionIn;
            },

            /**
             * Fades in/out the object
             *
             * @param	{object}	$object
             * @param	{string}	type
             * @param	{number}	speed
             * @param	{number}	opacity
             * @param	{function}	callback
             * @return	{void}		Animates an object
             */
            fade: function ($object, type, speed, opacity, callback) {
                var isInTransition = type === 'in',
                    startTransition = {},
                    startOpacity = $object.css('opacity'),
                    endTransition = {},
                    endOpacity = opacity ? opacity: isInTransition ? 1 : 0;

                if (!_self.isOpen && isInTransition) return;

                startTransition['opacity'] = startOpacity;
                endTransition['opacity'] = endOpacity;

                $object.css(startTransition).show();

                // Css transition
                if (_self.support.transitions) {
                    endTransition[_self.support.transition + 'transition'] = speed + 'ms ease';

                    setTimeout(function () {
                        $object.css(endTransition);

                        setTimeout(function () {
                            $object.css(_self.support.transition + 'transition', '');

                            if (callback && (_self.isOpen || !isInTransition)) {
                                callback();
                            }
                        }, speed);
                    }, 15);
                } else {
                    // Fallback to js transition
                    $object.stop();
                    $object.animate(endTransition, speed, callback);
                }
            },

            /**
             * Scrolls in/out the object
             *
             * @param	{object}	$object
             * @param	{string}	type
             * @param	{number}	speed
             * @param	{function}	callback
             * @return	{void}		Animates an object
             */
            scroll: function ($object, type, speed, callback) {
                var isInTransition = type === 'in',
                    transition = isInTransition ? _self.settings.transitionIn : _self.settings.transitionOut,
                    direction = 'left',
                    startTransition = {},
                    startOpacity = isInTransition ? 0 : 1,
                    startOffset = isInTransition ? '-50%' : '50%',
                    endTransition = {},
                    endOpacity = isInTransition ? 1 : 0,
                    endOffset = isInTransition ? '50%' : '-50%';

                if (!_self.isOpen && isInTransition) return;

                switch (transition) {
                    case 'scrollTop':
                        direction = 'top';
                        break;
                    case 'scrollRight':
                        startOffset = isInTransition ? '150%' : '50%';
                        endOffset = isInTransition ? '50%' : '150%';
                        break;
                    case 'scrollBottom':
                        direction = 'top';
                        startOffset = isInTransition ? '150%' : '50%';
                        endOffset = isInTransition ? '50%' : '150%';
                        break;
                    case 'scrollHorizontal':
                        startOffset = isInTransition ? '150%' : '50%';
                        endOffset = isInTransition ? '50%' : '-50%';
                        break;
                    case 'scrollVertical':
                        direction = 'top';
                        startOffset = isInTransition ? '-50%' : '50%';
                        endOffset = isInTransition ? '50%' : '150%';
                        break;
                }

                if (_self.cache.action === 'prev') {
                    switch (transition) {
                        case 'scrollHorizontal':
                            startOffset = isInTransition ? '-50%' : '50%';
                            endOffset = isInTransition ? '50%' : '150%';
                            break;
                        case 'scrollVertical':
                            startOffset = isInTransition ? '150%' : '50%';
                            endOffset = isInTransition ? '50%' : '-50%';
                            break;
                    }
                }

                startTransition['opacity'] = startOpacity;
                startTransition[direction] = startOffset;

                endTransition['opacity'] = endOpacity;
                endTransition[direction] = endOffset;

                $object.css(startTransition).show();

                // Css transition
                if (_self.support.transitions) {
                    endTransition[_self.support.transition + 'transition'] = speed + 'ms ease';

                    setTimeout(function () {
                        $object.css(endTransition);

                        setTimeout(function () {
                            $object.css(_self.support.transition + 'transition', '');

                            if (callback && (_self.isOpen || !isInTransition)) {
                                callback();
                            }
                        }, speed);
                    }, 15);
                } else {
                    // Fallback to js transition
                    $object.stop();
                    $object.animate(endTransition, speed, callback);
                }
            },

            /**
             * Zooms in/out the object
             *
             * @param	{object}	$object
             * @param	{string}	type
             * @param	{number}	speed
             * @param	{function}	callback
             * @return	{void}		Animates an object
             */
            zoom: function ($object, type, speed, callback) {
                var isInTransition = type === 'in',
                    startTransition = {},
                    startOpacity = $object.css('opacity'),
                    startScale = isInTransition ? 'scale(0.75)' : 'scale(1)',
                    endTransition = {},
                    endOpacity = isInTransition ? 1 : 0,
                    endScale = isInTransition ? 'scale(1)' : 'scale(0.75)';

                if (!_self.isOpen && isInTransition) return;

                startTransition['opacity'] = startOpacity;
                startTransition[_self.support.transition + 'transform'] = startScale;

                endTransition['opacity'] = endOpacity;

                $object.css(startTransition).show();

                // Css transition
                if (_self.support.transitions) {
                    endTransition[_self.support.transition + 'transform'] = endScale;
                    endTransition[_self.support.transition + 'transition'] = speed + 'ms ease';

                    setTimeout(function () {
                        $object.css(endTransition);

                        setTimeout(function () {
                            $object.css(_self.support.transition + 'transform', '');
                            $object.css(_self.support.transition + 'transition', '');

                            if (callback && (_self.isOpen || !isInTransition)) {
                                callback();
                            }
                        }, speed);
                    }, 15);
                } else {
                    // Fallback to js transition
                    $object.stop();
                    $object.animate(endTransition, speed, callback);
                }
            }
        },

        /**
         * Calls all the registered functions of a specific hook
         *
         * @param	{object}	hooks
         * @return	{void}
         */
        _callHooks: function (hooks) {
            if (typeof(hooks) === 'object') {
                $.each(hooks, function(index, hook) {
                    if (typeof(hook) === 'function') {
                        hook.call(_self.origin);
                    }
                });
            }
        },

        /**
         * Caches the object data
         *
         * @param	{object}	$object
         * @return	{void}
         */
        _cacheObjectData: function ($object) {
            $.data($object, 'cache', {
                id: $object.attr('id'),
                content: $object.html()
            });

            _self.cache.originalObject = $object;
        },

        /**
         * Restores the object from cache
         *
         * @return	void
         */
        _restoreObject: function () {
            var $object = $('[id^="' + _self.settings.idPrefix + 'temp-"]');

            $object.attr('id', $.data(_self.cache.originalObject, 'cache').id);
            $object.html($.data(_self.cache.originalObject, 'cache').content);
        },

        /**
         * Executes functions for a window resize.
         * It stops an eventual timeout and recalculates dimenstions.
         *
         * @return	{void}
         */
        resize: function () {
            if (!_self.isOpen) return;

            if (_self.isSlideshowEnabled()) {
                _self._stopTimeout();
            }

            _self.dimensions = _self.getViewportDimensions();
            _self._calculateDimensions(_self.cache.object);

            // Call onResize hook functions
            _self._callHooks(_self.settings.onResize);
        },

        /**
         * Watches for any resize interaction and caches the new sizes.
         *
         * @return	{void}
         */
        _watchResizeInteraction: function () {
            $(window).resize(_self.resize);
        },

        /**
         * Stop watching any resize interaction related to _self.
         *
         * @return	{void}
         */
        _unwatchResizeInteraction: function () {
            $(window).off('resize', _self.resize);
        },

        /**
         * Switches to the fullscreen mode
         *
         * @return	{void}
         */
        _switchToFullScreenMode: function () {
            _self.settings.shrinkFactor = 1;
            _self.settings.overlayOpacity = 1;

            $('html').addClass(_self.settings.classPrefix + 'fullScreenMode');
        },

        /**
         * Enters into the lightcase view
         *
         * @return	{void}
         */
        _open: function () {
            _self.isOpen = true;

            _self.support.transitions = _self.settings.cssTransitions ? _self.isTransitionSupported() : false;
            _self.support.mobileDevice = _self.isMobileDevice();

            if (_self.support.mobileDevice) {
                $('html').addClass(_self.settings.classPrefix + 'isMobileDevice');

                if (_self.settings.fullScreenModeForMobile) {
                    _self._switchToFullScreenMode();
                }
            }

            if (!_self.settings.transitionIn) {
                _self.settings.transitionIn = _self.settings.transition;
            }
            if (!_self.settings.transitionOut) {
                _self.settings.transitionOut = _self.settings.transition;
            }

            switch (_self.transition.in()) {
                case 'fade':
                case 'fadeInline':
                case 'elastic':
                case 'scrollTop':
                case 'scrollRight':
                case 'scrollBottom':
                case 'scrollLeft':
                case 'scrollVertical':
                case 'scrollHorizontal':
                    if (_self.objects.case.is(':hidden')) {
                        _self.objects.close.css('opacity', 0);
                        _self.objects.overlay.css('opacity', 0);
                        _self.objects.case.css('opacity', 0);
                        _self.objects.contentInner.css('opacity', 0);
                    }
                    _self.transition.fade(_self.objects.overlay, 'in', _self.settings.speedIn, _self.settings.overlayOpacity, function () {
                        _self.transition.fade(_self.objects.close, 'in', _self.settings.speedIn);
                        _self._handleEvents();
                        _self._processContent();
                    });
                    break;
                default:
                    _self.transition.fade(_self.objects.overlay, 'in', 0, _self.settings.overlayOpacity, function () {
                        _self.transition.fade(_self.objects.close, 'in', 0);
                        _self._handleEvents();
                        _self._processContent();
                    });
                    break;
            }

            _self.objects.document.addClass(_self.settings.classPrefix + 'open');
            _self.objects.case.attr('aria-hidden', 'false');
        },

        /**
         * Escapes from the lightcase view
         *
         * @return	{void}
         */
        close: function () {
            _self.isOpen = false;

            if (_self.isSlideshowEnabled()) {
                _self._stopTimeout();
                _self.isSlideshowStarted = false;
                _self.objects.nav.removeClass(_self.settings.classPrefix + 'paused');
            }

            _self.objects.loading.hide();

            _self._unbindEvents();

            _self._unwatchResizeInteraction();

            $('html').removeClass(_self.settings.classPrefix + 'open');
            _self.objects.case.attr('aria-hidden', 'true');

            _self.objects.nav.children().hide();
            _self.objects.close.hide();

            // Call onClose hook functions
            _self._callHooks(_self.settings.onClose);

            // Fade out the info at first
            _self.transition.fade(_self.objects.info, 'out', 0);

            switch (_self.settings.transitionClose || _self.settings.transitionOut) {
                case 'fade':
                case 'fadeInline':
                case 'scrollTop':
                case 'scrollRight':
                case 'scrollBottom':
                case 'scrollLeft':
                case 'scrollHorizontal':
                case 'scrollVertical':
                    _self.transition.fade(_self.objects.case, 'out', _self.settings.speedOut, 0, function () {
                        _self.transition.fade(_self.objects.overlay, 'out', _self.settings.speedOut, 0, function () {
                            _self.cleanup();
                        });
                    });
                    break;
                case 'elastic':
                    _self.transition.zoom(_self.objects.case, 'out', _self.settings.speedOut, function () {
                        _self.transition.fade(_self.objects.overlay, 'out', _self.settings.speedOut, 0, function () {
                            _self.cleanup();
                        });
                    });
                    break;
                default:
                    _self.cleanup();
                    break;
            }
        },

        /**
         * Unbinds all given events
         *
         * @return	{void}
         */
        _unbindEvents: function () {
            // Unbind overlay event
            _self.objects.overlay.unbind('click');

            // Unbind key events
            $(document).unbind('keyup.lightcase');

            // Unbind swipe events
            _self.objects.case.unbind('swipeleft').unbind('swiperight');

            // Unbind navigator events
            _self.objects.prev.unbind('click');
            _self.objects.next.unbind('click');
            _self.objects.play.unbind('click');
            _self.objects.pause.unbind('click');

            // Unbind close event
            _self.objects.close.unbind('click');
        },

        /**
         * Cleans up the dimensions
         *
         * @return	{void}
         */
        _cleanupDimensions: function () {
            var opacity = _self.objects.contentInner.css('opacity');

            _self.objects.case.css({
                'width': '',
                'height': '',
                'top': '',
                'left': '',
                'margin-top': '',
                'margin-left': ''
            });

            _self.objects.contentInner.removeAttr('style').css('opacity', opacity);
            _self.objects.contentInner.children().removeAttr('style');
        },

        /**
         * Cleanup after aborting lightcase
         *
         * @return	{void}
         */
        cleanup: function () {
            _self._cleanupDimensions();

            _self.objects.loading.hide();
            _self.objects.overlay.hide();
            _self.objects.case.hide();
            _self.objects.prev.hide();
            _self.objects.next.hide();
            _self.objects.play.hide();
            _self.objects.pause.hide();

            _self.objects.document.removeAttr(_self._prefixAttributeName('type'));
            _self.objects.nav.removeAttr(_self._prefixAttributeName('ispartofsequence'));

            _self.objects.contentInner.empty().hide();
            _self.objects.info.children().empty();

            if (_self.cache.originalObject) {
                _self._restoreObject();
            }

            // Call onCleanup hook functions
            _self._callHooks(_self.settings.onCleanup);

            // Restore cache
            _self.cache = {};
        },

        /**
         * Returns the supported match media or undefined if the browser
         * doesn't support match media.
         *
         * @return	{mixed}
         */
        _matchMedia: function () {
            return window.matchMedia || window.msMatchMedia;
        },

        /**
         * Returns the devicePixelRatio if supported. Else, it simply returns
         * 1 as the default.
         *
         * @return	{number}
         */
        _devicePixelRatio: function () {
            return window.devicePixelRatio || 1;
        },

        /**
         * Checks if method is public
         *
         * @return	{boolean}
         */
        _isPublicMethod: function (method) {
            return (typeof _self[method] === 'function' && method.charAt(0) !== '_');
        },

        /**
         * Exports all public methods to be accessible, callable
         * from global scope.
         *
         * @return	{void}
         */
        _export: function () {
            window.lightcase = {};

            $.each(_self, function (property) {
                if (_self._isPublicMethod(property)) {
                    lightcase[property] = _self[property];
                }
            });
        }
    };

    _self._export();

    $.fn.lightcase = function (method) {
        // Method calling logic (only public methods are applied)
        if (_self._isPublicMethod(method)) {
            return _self[method].apply(this, Array.prototype.slice.call(arguments, 1));
        } else if (typeof method === 'object' || !method) {
            return _self.init.apply(this, arguments);
        } else {
            $.error('Method ' + method + ' does not exist on jQuery.lightcase');
        }
    };
})(jQuery);