owl.carousel.js

/*
 *  jQuery OwlCarousel v1.3.3
 *
 *  Copyright (c) 2013 Bartosz Wojciechowski
 *  http://www.owlgraphic.com/owlcarousel/
 *
 *  Licensed under MIT
 *
 */

/*JS Lint helpers: */
/*global dragMove: false, dragEnd: false, $, jQuery, alert, window, document */
/*jslint nomen: true, continue:true */

if (typeof Object.create !== "function") {
    Object.create = function (obj) {
        function F() {}
        F.prototype = obj;
        return new F();
    };
}
(function ($, window, document) {

    var Carousel = {
        init : function (options, el) {
            var base = this;

            base.$elem = $(el);
            base.options = $.extend({}, $.fn.owlCarousel.options, base.$elem.data(), options);

            base.userOptions = options;
            base.loadContent();
        },

        loadContent : function () {
            var base = this, url;

            function getData(data) {
                var i, content = "";
                if (typeof base.options.jsonSuccess === "function") {
                    base.options.jsonSuccess.apply(this, [data]);
                } else {
                    for (i in data.owl) {
                        if (data.owl.hasOwnProperty(i)) {
                            content += data.owl[i].item;
                        }
                    }
                    base.$elem.html(content);
                }
                base.logIn();
            }

            if (typeof base.options.beforeInit === "function") {
                base.options.beforeInit.apply(this, [base.$elem]);
            }

            if (typeof base.options.jsonPath === "string") {
                url = base.options.jsonPath;
                $.getJSON(url, getData);
            } else {
                base.logIn();
            }
        },

        logIn : function () {
            var base = this;

            base.$elem.data("owl-originalStyles", base.$elem.attr("style"));
            base.$elem.data("owl-originalClasses", base.$elem.attr("class"));

            base.$elem.css({opacity: 0});
            base.orignalItems = base.options.items;
            base.checkBrowser();
            base.wrapperWidth = 0;
            base.checkVisible = null;
            base.setVars();
        },

        setVars : function () {
            var base = this;
            if (base.$elem.children().length === 0) {return false; }
            base.baseClass();
            base.eventTypes();
            base.$userItems = base.$elem.children();
            base.itemsAmount = base.$userItems.length;
            base.wrapItems();
            base.$owlItems = base.$elem.find(".owl-item");
            base.$owlWrapper = base.$elem.find(".owl-wrapper");
            base.playDirection = "next";
            base.prevItem = 0;
            base.prevArr = [0];
            base.currentItem = 0;
            base.customEvents();
            base.onStartup();
        },

        onStartup : function () {
            var base = this;
            base.updateItems();
            base.calculateAll();
            base.buildControls();
            base.updateControls();
            base.response();
            base.moveEvents();
            base.stopOnHover();
            base.owlStatus();

            if (base.options.transitionStyle !== false) {
                base.transitionTypes(base.options.transitionStyle);
            }
            if (base.options.autoPlay === true) {
                base.options.autoPlay = 5000;
            }
            base.play();

            base.$elem.find(".owl-wrapper").css("display", "block");

            if (!base.$elem.is(":visible")) {
                base.watchVisibility();
            } else {
                base.$elem.css("opacity", 1);
            }
            base.onstartup = false;
            base.eachMoveUpdate();
            if (typeof base.options.afterInit === "function") {
                base.options.afterInit.apply(this, [base.$elem]);
            }
        },

        eachMoveUpdate : function () {
            var base = this;

            if (base.options.lazyLoad === true) {
                base.lazyLoad();
            }
            if (base.options.autoHeight === true) {
                base.autoHeight();
            }
            base.onVisibleItems();

            if (typeof base.options.afterAction === "function") {
                base.options.afterAction.apply(this, [base.$elem]);
            }
        },

        updateVars : function () {
            var base = this;
            if (typeof base.options.beforeUpdate === "function") {
                base.options.beforeUpdate.apply(this, [base.$elem]);
            }
            base.watchVisibility();
            base.updateItems();
            base.calculateAll();
            base.updatePosition();
            base.updateControls();
            base.eachMoveUpdate();
            if (typeof base.options.afterUpdate === "function") {
                base.options.afterUpdate.apply(this, [base.$elem]);
            }
        },

        reload : function () {
            var base = this;
            window.setTimeout(function () {
                base.updateVars();
            }, 0);
        },

        watchVisibility : function () {
            var base = this;

            if (base.$elem.is(":visible") === false) {
                base.$elem.css({opacity: 0});
                window.clearInterval(base.autoPlayInterval);
                window.clearInterval(base.checkVisible);
            } else {
                return false;
            }
            base.checkVisible = window.setInterval(function () {
                if (base.$elem.is(":visible")) {
                    base.reload();
                    base.$elem.animate({opacity: 1}, 200);
                    window.clearInterval(base.checkVisible);
                }
            }, 500);
        },

        wrapItems : function () {
            var base = this;
            base.$userItems.wrapAll("<div class=\"owl-wrapper\">").wrap("<div class=\"owl-item\"></div>");
            base.$elem.find(".owl-wrapper").wrap("<div class=\"owl-wrapper-outer\">");
            base.wrapperOuter = base.$elem.find(".owl-wrapper-outer");
            base.$elem.css("display", "block");
        },

        baseClass : function () {
            var base = this,
                hasBaseClass = base.$elem.hasClass(base.options.baseClass),
                hasThemeClass = base.$elem.hasClass(base.options.theme);

            if (!hasBaseClass) {
                base.$elem.addClass(base.options.baseClass);
            }

            if (!hasThemeClass) {
                base.$elem.addClass(base.options.theme);
            }
        },

        updateItems : function () {
            var base = this, width, i;

            if (base.options.responsive === false) {
                return false;
            }
            if (base.options.singleItem === true) {
                base.options.items = base.orignalItems = 1;
                base.options.itemsCustom = false;
                base.options.itemsDesktop = false;
                base.options.itemsDesktopSmall = false;
                base.options.itemsTablet = false;
                base.options.itemsTabletSmall = false;
                base.options.itemsMobile = false;
                return false;
            }

            width = $(base.options.responsiveBaseWidth).width();

            if (width > (base.options.itemsDesktop[0] || base.orignalItems)) {
                base.options.items = base.orignalItems;
            }
            if (base.options.itemsCustom !== false) {
                //Reorder array by screen size
                base.options.itemsCustom.sort(function (a, b) {return a[0] - b[0]; });

                for (i = 0; i < base.options.itemsCustom.length; i += 1) {
                    if (base.options.itemsCustom[i][0] <= width) {
                        base.options.items = base.options.itemsCustom[i][1];
                    }
                }

            } else {

                if (width <= base.options.itemsDesktop[0] && base.options.itemsDesktop !== false) {
                    base.options.items = base.options.itemsDesktop[1];
                }

                if (width <= base.options.itemsDesktopSmall[0] && base.options.itemsDesktopSmall !== false) {
                    base.options.items = base.options.itemsDesktopSmall[1];
                }

                if (width <= base.options.itemsTablet[0] && base.options.itemsTablet !== false) {
                    base.options.items = base.options.itemsTablet[1];
                }

                if (width <= base.options.itemsTabletSmall[0] && base.options.itemsTabletSmall !== false) {
                    base.options.items = base.options.itemsTabletSmall[1];
                }

                if (width <= base.options.itemsMobile[0] && base.options.itemsMobile !== false) {
                    base.options.items = base.options.itemsMobile[1];
                }
            }

            //if number of items is less than declared
            if (base.options.items > base.itemsAmount && base.options.itemsScaleUp === true) {
                base.options.items = base.itemsAmount;
            }
        },

        response : function () {
            var base = this,
                smallDelay,
                lastWindowWidth;

            if (base.options.responsive !== true) {
                return false;
            }
            lastWindowWidth = $(window).width();

            base.resizer = function () {
                if ($(window).width() !== lastWindowWidth) {
                    if (base.options.autoPlay !== false) {
                        window.clearInterval(base.autoPlayInterval);
                    }
                    window.clearTimeout(smallDelay);
                    smallDelay = window.setTimeout(function () {
                        lastWindowWidth = $(window).width();
                        base.updateVars();
                    }, base.options.responsiveRefreshRate);
                }
            };
            $(window).resize(base.resizer);
        },

        updatePosition : function () {
            var base = this;
            base.jumpTo(base.currentItem);
            if (base.options.autoPlay !== false) {
                base.checkAp();
            }
        },

        appendItemsSizes : function () {
            var base = this,
                roundPages = 0,
                lastItem = base.itemsAmount - base.options.items;

            base.$owlItems.each(function (index) {
                var $this = $(this);
                $this
                    .css({"width": base.itemWidth})
                    .data("owl-item", Number(index));

                if (index % base.options.items === 0 || index === lastItem) {
                    if (!(index > lastItem)) {
                        roundPages += 1;
                    }
                }
                $this.data("owl-roundPages", roundPages);
            });
        },

        appendWrapperSizes : function () {
            var base = this,
                width = base.$owlItems.length * base.itemWidth;

            base.$owlWrapper.css({
                "width": width * 2,
                "left": 0
            });
            base.appendItemsSizes();
        },

        calculateAll : function () {
            var base = this;
            base.calculateWidth();
            base.appendWrapperSizes();
            base.loops();
            base.max();
        },

        calculateWidth : function () {
            var base = this;
            base.itemWidth = Math.round(base.$elem.width() / base.options.items);
        },

        max : function () {
            var base = this,
                maximum = ((base.itemsAmount * base.itemWidth) - base.options.items * base.itemWidth) * -1;
            if (base.options.items > base.itemsAmount) {
                base.maximumItem = 0;
                maximum = 0;
                base.maximumPixels = 0;
            } else {
                base.maximumItem = base.itemsAmount - base.options.items;
                base.maximumPixels = maximum;
            }
            return maximum;
        },

        min : function () {
            return 0;
        },

        loops : function () {
            var base = this,
                prev = 0,
                elWidth = 0,
                i,
                item,
                roundPageNum;

            base.positionsInArray = [0];
            base.pagesInArray = [];

            for (i = 0; i < base.itemsAmount; i += 1) {
                elWidth += base.itemWidth;
                base.positionsInArray.push(-elWidth);

                if (base.options.scrollPerPage === true) {
                    item = $(base.$owlItems[i]);
                    roundPageNum = item.data("owl-roundPages");
                    if (roundPageNum !== prev) {
                        base.pagesInArray[prev] = base.positionsInArray[i];
                        prev = roundPageNum;
                    }
                }
            }
        },

        buildControls : function () {
            var base = this;
            if (base.options.navigation === true || base.options.pagination === true) {
                base.owlControls = $("<div class=\"owl-controls\"/>").toggleClass("clickable", !base.browser.isTouch).appendTo(base.$elem);
            }
            if (base.options.pagination === true) {
                base.buildPagination();
            }
            if (base.options.navigation === true) {
                base.buildButtons();
            }
        },

        buildButtons : function () {
            var base = this,
                buttonsWrapper = $("<div class=\"owl-buttons\"/>");
            base.owlControls.append(buttonsWrapper);

            base.buttonPrev = $("<div/>", {
                "class" : "owl-prev",
                "html" : base.options.navigationText[0] || ""
            });

            base.buttonNext = $("<div/>", {
                "class" : "owl-next",
                "html" : base.options.navigationText[1] || ""
            });

            buttonsWrapper
                .append(base.buttonPrev)
                .append(base.buttonNext);

            buttonsWrapper.on("touchstart.owlControls mousedown.owlControls", "div[class^=\"owl\"]", function (event) {
                event.preventDefault();
            });

            buttonsWrapper.on("touchend.owlControls mouseup.owlControls", "div[class^=\"owl\"]", function (event) {
                event.preventDefault();
                if ($(this).hasClass("owl-next")) {
                    base.next();
                } else {
                    base.prev();
                }
            });
        },

        buildPagination : function () {
            var base = this;

            base.paginationWrapper = $("<div class=\"owl-pagination\"/>");
            base.owlControls.append(base.paginationWrapper);

            base.paginationWrapper.on("touchend.owlControls mouseup.owlControls", ".owl-page", function (event) {
                event.preventDefault();
                if (Number($(this).data("owl-page")) !== base.currentItem) {
                    base.goTo(Number($(this).data("owl-page")), true);
                }
            });
        },

        updatePagination : function () {
            var base = this,
                counter,
                lastPage,
                lastItem,
                i,
                paginationButton,
                paginationButtonInner;

            if (base.options.pagination === false) {
                return false;
            }

            base.paginationWrapper.html("");

            counter = 0;
            lastPage = base.itemsAmount - base.itemsAmount % base.options.items;

            for (i = 0; i < base.itemsAmount; i += 1) {
                if (i % base.options.items === 0) {
                    counter += 1;
                    if (lastPage === i) {
                        lastItem = base.itemsAmount - base.options.items;
                    }
                    paginationButton = $("<div/>", {
                        "class" : "owl-page"
                    });
                    paginationButtonInner = $("<span></span>", {
                        "text": base.options.paginationNumbers === true ? counter : "",
                        "class": base.options.paginationNumbers === true ? "owl-numbers" : ""
                    });
                    paginationButton.append(paginationButtonInner);

                    paginationButton.data("owl-page", lastPage === i ? lastItem : i);
                    paginationButton.data("owl-roundPages", counter);

                    base.paginationWrapper.append(paginationButton);
                }
            }
            base.checkPagination();
        },
        checkPagination : function () {
            var base = this;
            if (base.options.pagination === false) {
                return false;
            }
            base.paginationWrapper.find(".owl-page").each(function () {
                if ($(this).data("owl-roundPages") === $(base.$owlItems[base.currentItem]).data("owl-roundPages")) {
                    base.paginationWrapper
                        .find(".owl-page")
                        .removeClass("active");
                    $(this).addClass("active");
                }
            });
        },

        checkNavigation : function () {
            var base = this;

            if (base.options.navigation === false) {
                return false;
            }
            if (base.options.rewindNav === false) {
                if (base.currentItem === 0 && base.maximumItem === 0) {
                    base.buttonPrev.addClass("disabled");
                    base.buttonNext.addClass("disabled");
                } else if (base.currentItem === 0 && base.maximumItem !== 0) {
                    base.buttonPrev.addClass("disabled");
                    base.buttonNext.removeClass("disabled");
                } else if (base.currentItem === base.maximumItem) {
                    base.buttonPrev.removeClass("disabled");
                    base.buttonNext.addClass("disabled");
                } else if (base.currentItem !== 0 && base.currentItem !== base.maximumItem) {
                    base.buttonPrev.removeClass("disabled");
                    base.buttonNext.removeClass("disabled");
                }
            }
        },

        updateControls : function () {
            var base = this;
            base.updatePagination();
            base.checkNavigation();
            if (base.owlControls) {
                if (base.options.items >= base.itemsAmount) {
                    base.owlControls.hide();
                } else {
                    base.owlControls.show();
                }
            }
        },

        destroyControls : function () {
            var base = this;
            if (base.owlControls) {
                base.owlControls.remove();
            }
        },

        next : function (speed) {
            var base = this;

            if (base.isTransition) {
                return false;
            }

            base.currentItem += base.options.scrollPerPage === true ? base.options.items : 1;
            if (base.currentItem > base.maximumItem + (base.options.scrollPerPage === true ? (base.options.items - 1) : 0)) {
                if (base.options.rewindNav === true) {
                    base.currentItem = 0;
                    speed = "rewind";
                } else {
                    base.currentItem = base.maximumItem;
                    return false;
                }
            }
            base.goTo(base.currentItem, speed);
        },

        prev : function (speed) {
            var base = this;

            if (base.isTransition) {
                return false;
            }

            if (base.options.scrollPerPage === true && base.currentItem > 0 && base.currentItem < base.options.items) {
                base.currentItem = 0;
            } else {
                base.currentItem -= base.options.scrollPerPage === true ? base.options.items : 1;
            }
            if (base.currentItem < 0) {
                if (base.options.rewindNav === true) {
                    base.currentItem = base.maximumItem;
                    speed = "rewind";
                } else {
                    base.currentItem = 0;
                    return false;
                }
            }
            base.goTo(base.currentItem, speed);
        },

        goTo : function (position, speed, drag) {
            var base = this,
                goToPixel;

            if (base.isTransition) {
                return false;
            }
            if (typeof base.options.beforeMove === "function") {
                base.options.beforeMove.apply(this, [base.$elem]);
            }
            if (position >= base.maximumItem) {
                position = base.maximumItem;
            } else if (position <= 0) {
                position = 0;
            }

            base.currentItem = base.owl.currentItem = position;
            if (base.options.transitionStyle !== false && drag !== "drag" && base.options.items === 1 && base.browser.support3d === true) {
                base.swapSpeed(0);
                if (base.browser.support3d === true) {
                    base.transition3d(base.positionsInArray[position]);
                } else {
                    base.css2slide(base.positionsInArray[position], 1);
                }
                base.afterGo();
                base.singleItemTransition();
                return false;
            }
            goToPixel = base.positionsInArray[position];

            if (base.browser.support3d === true) {
                base.isCss3Finish = false;

                if (speed === true) {
                    base.swapSpeed("paginationSpeed");
                    window.setTimeout(function () {
                        base.isCss3Finish = true;
                    }, base.options.paginationSpeed);

                } else if (speed === "rewind") {
                    base.swapSpeed(base.options.rewindSpeed);
                    window.setTimeout(function () {
                        base.isCss3Finish = true;
                    }, base.options.rewindSpeed);

                } else {
                    base.swapSpeed("slideSpeed");
                    window.setTimeout(function () {
                        base.isCss3Finish = true;
                    }, base.options.slideSpeed);
                }
                base.transition3d(goToPixel);
            } else {
                if (speed === true) {
                    base.css2slide(goToPixel, base.options.paginationSpeed);
                } else if (speed === "rewind") {
                    base.css2slide(goToPixel, base.options.rewindSpeed);
                } else {
                    base.css2slide(goToPixel, base.options.slideSpeed);
                }
            }
            base.afterGo();
        },

        jumpTo : function (position) {
            var base = this;
            if (typeof base.options.beforeMove === "function") {
                base.options.beforeMove.apply(this, [base.$elem]);
            }
            if (position >= base.maximumItem || position === -1) {
                position = base.maximumItem;
            } else if (position <= 0) {
                position = 0;
            }
            base.swapSpeed(0);
            if (base.browser.support3d === true) {
                base.transition3d(base.positionsInArray[position]);
            } else {
                base.css2slide(base.positionsInArray[position], 1);
            }
            base.currentItem = base.owl.currentItem = position;
            base.afterGo();
        },

        afterGo : function () {
            var base = this;

            base.prevArr.push(base.currentItem);
            base.prevItem = base.owl.prevItem = base.prevArr[base.prevArr.length - 2];
            base.prevArr.shift(0);

            if (base.prevItem !== base.currentItem) {
                base.checkPagination();
                base.checkNavigation();
                base.eachMoveUpdate();

                if (base.options.autoPlay !== false) {
                    base.checkAp();
                }
            }
            if (typeof base.options.afterMove === "function" && base.prevItem !== base.currentItem) {
                base.options.afterMove.apply(this, [base.$elem]);
            }
        },

        stop : function () {
            var base = this;
            base.apStatus = "stop";
            window.clearInterval(base.autoPlayInterval);
        },

        checkAp : function () {
            var base = this;
            if (base.apStatus !== "stop") {
                base.play();
            }
        },

        play : function () {
            var base = this;
            base.apStatus = "play";
            if (base.options.autoPlay === false) {
                return false;
            }
            window.clearInterval(base.autoPlayInterval);
            base.autoPlayInterval = window.setInterval(function () {
                base.next(true);
            }, base.options.autoPlay);
        },

        swapSpeed : function (action) {
            var base = this;
            if (action === "slideSpeed") {
                base.$owlWrapper.css(base.addCssSpeed(base.options.slideSpeed));
            } else if (action === "paginationSpeed") {
                base.$owlWrapper.css(base.addCssSpeed(base.options.paginationSpeed));
            } else if (typeof action !== "string") {
                base.$owlWrapper.css(base.addCssSpeed(action));
            }
        },

        addCssSpeed : function (speed) {
            return {
                "-webkit-transition": "all " + speed + "ms ease",
                "-moz-transition": "all " + speed + "ms ease",
                "-o-transition": "all " + speed + "ms ease",
                "transition": "all " + speed + "ms ease"
            };
        },

        removeTransition : function () {
            return {
                "-webkit-transition": "",
                "-moz-transition": "",
                "-o-transition": "",
                "transition": ""
            };
        },

        doTranslate : function (pixels) {
            return {
                "-webkit-transform": "translate3d(" + pixels + "px, 0px, 0px)",
                "-moz-transform": "translate3d(" + pixels + "px, 0px, 0px)",
                "-o-transform": "translate3d(" + pixels + "px, 0px, 0px)",
                "-ms-transform": "translate3d(" + pixels + "px, 0px, 0px)",
                "transform": "translate3d(" + pixels + "px, 0px,0px)"
            };
        },

        transition3d : function (value) {
            var base = this;
            base.$owlWrapper.css(base.doTranslate(value));
        },

        css2move : function (value) {
            var base = this;
            base.$owlWrapper.css({"left" : value});
        },

        css2slide : function (value, speed) {
            var base = this;

            base.isCssFinish = false;
            base.$owlWrapper.stop(true, true).animate({
                "left" : value
            }, {
                duration : speed || base.options.slideSpeed,
                complete : function () {
                    base.isCssFinish = true;
                }
            });
        },

        checkBrowser : function () {
            var base = this,
                translate3D = "translate3d(0px, 0px, 0px)",
                tempElem = document.createElement("div"),
                regex,
                asSupport,
                support3d,
                isTouch;

            tempElem.style.cssText = "  -moz-transform:" + translate3D +
                                  "; -ms-transform:"     + translate3D +
                                  "; -o-transform:"      + translate3D +
                                  "; -webkit-transform:" + translate3D +
                                  "; transform:"         + translate3D;
            regex = /translate3d\(0px, 0px, 0px\)/g;
            asSupport = tempElem.style.cssText.match(regex);
            support3d = (asSupport !== null && asSupport.length === 1);

            isTouch = "ontouchstart" in window || window.navigator.msMaxTouchPoints;

            base.browser = {
                "support3d" : support3d,
                "isTouch" : isTouch
            };
        },

        moveEvents : function () {
            var base = this;
            if (base.options.mouseDrag !== false || base.options.touchDrag !== false) {
                base.gestures();
                base.disabledEvents();
            }
        },

        eventTypes : function () {
            var base = this,
                types = ["s", "e", "x"];

            base.ev_types = {};

            if (base.options.mouseDrag === true && base.options.touchDrag === true) {
                types = [
                    "touchstart.owl mousedown.owl",
                    "touchmove.owl mousemove.owl",
                    "touchend.owl touchcancel.owl mouseup.owl"
                ];
            } else if (base.options.mouseDrag === false && base.options.touchDrag === true) {
                types = [
                    "touchstart.owl",
                    "touchmove.owl",
                    "touchend.owl touchcancel.owl"
                ];
            } else if (base.options.mouseDrag === true && base.options.touchDrag === false) {
                types = [
                    "mousedown.owl",
                    "mousemove.owl",
                    "mouseup.owl"
                ];
            }

            base.ev_types.start = types[0];
            base.ev_types.move = types[1];
            base.ev_types.end = types[2];
        },

        disabledEvents :  function () {
            var base = this;
            base.$elem.on("dragstart.owl", function (event) { event.preventDefault(); });
            base.$elem.on("mousedown.disableTextSelect", function (e) {
                return $(e.target).is('input, textarea, select, option');
            });
        },

        gestures : function () {
            /*jslint unparam: true*/
            var base = this,
                locals = {
                    offsetX : 0,
                    offsetY : 0,
                    baseElWidth : 0,
                    relativePos : 0,
                    position: null,
                    minSwipe : null,
                    maxSwipe: null,
                    sliding : null,
                    dargging: null,
                    targetElement : null
                };

            base.isCssFinish = true;

            function getTouches(event) {
                if (event.touches !== undefined) {
                    return {
                        x : event.touches[0].pageX,
                        y : event.touches[0].pageY
                    };
                }

                if (event.touches === undefined) {
                    if (event.pageX !== undefined) {
                        return {
                            x : event.pageX,
                            y : event.pageY
                        };
                    }
                    if (event.pageX === undefined) {
                        return {
                            x : event.clientX,
                            y : event.clientY
                        };
                    }
                }
            }

            function swapEvents(type) {
                if (type === "on") {
                    $(document).on(base.ev_types.move, dragMove);
                    $(document).on(base.ev_types.end, dragEnd);
                } else if (type === "off") {
                    $(document).off(base.ev_types.move);
                    $(document).off(base.ev_types.end);
                }
            }

            function dragStart(event) {
                var ev = event.originalEvent || event || window.event,
                    position;

                if (ev.which === 3) {
                    return false;
                }
                if (base.itemsAmount <= base.options.items) {
                    return;
                }
                if (base.isCssFinish === false && !base.options.dragBeforeAnimFinish) {
                    return false;
                }
                if (base.isCss3Finish === false && !base.options.dragBeforeAnimFinish) {
                    return false;
                }

                if (base.options.autoPlay !== false) {
                    window.clearInterval(base.autoPlayInterval);
                }

                if (base.browser.isTouch !== true && !base.$owlWrapper.hasClass("grabbing")) {
                    base.$owlWrapper.addClass("grabbing");
                }

                base.newPosX = 0;
                base.newRelativeX = 0;

                $(this).css(base.removeTransition());

                position = $(this).position();
                locals.relativePos = position.left;

                locals.offsetX = getTouches(ev).x - position.left;
                locals.offsetY = getTouches(ev).y - position.top;

                swapEvents("on");

                locals.sliding = false;
                locals.targetElement = ev.target || ev.srcElement;
            }

            function dragMove(event) {
                var ev = event.originalEvent || event || window.event,
                    minSwipe,
                    maxSwipe;

                base.newPosX = getTouches(ev).x - locals.offsetX;
                base.newPosY = getTouches(ev).y - locals.offsetY;
                base.newRelativeX = base.newPosX - locals.relativePos;

                if (typeof base.options.startDragging === "function" && locals.dragging !== true && base.newRelativeX !== 0) {
                    locals.dragging = true;
                    base.options.startDragging.apply(base, [base.$elem]);
                }

                if ((base.newRelativeX > 8 || base.newRelativeX < -8) && (base.browser.isTouch === true)) {
                    if (ev.preventDefault !== undefined) {
                        ev.preventDefault();
                    } else {
                        ev.returnValue = false;
                    }
                    locals.sliding = true;
                }

                if ((base.newPosY > 10 || base.newPosY < -10) && locals.sliding === false) {
                    $(document).off("touchmove.owl");
                }

                minSwipe = function () {
                    return base.newRelativeX / 5;
                };

                maxSwipe = function () {
                    return base.maximumPixels + base.newRelativeX / 5;
                };

                base.newPosX = Math.max(Math.min(base.newPosX, minSwipe()), maxSwipe());
                if (base.browser.support3d === true) {
                    base.transition3d(base.newPosX);
                } else {
                    base.css2move(base.newPosX);
                }
            }

            function dragEnd(event) {
                var ev = event.originalEvent || event || window.event,
                    newPosition,