Delete lib/iscroll.js

lib/iscroll.js

@@ -1,2607 +0,0 @@
-/*
- * Real3D FlipBook [https://real3dflipbook.com]
- * @author creativeinteractivemedia [https://codecanyon.net/user/creativeinteractivemedia/portfolio]
- * @version 4.10
- * @date 2025-05-15
- */
-/*! iScroll v5.2.0-snapshot ~ (c) 2008-2017 Matteo Spinelli ~ http://cubiq.org/license */
-(function (window, document, Math) {
-    var rAF =
-        window.requestAnimationFrame ||
-        window.webkitRequestAnimationFrame ||
-        window.mozRequestAnimationFrame ||
-        window.oRequestAnimationFrame ||
-        window.msRequestAnimationFrame ||
-        function (callback) {
-            window.setTimeout(callback, 1000 / 60);
-        };
-
-    var utils = (function () {
-        var me = {};
-
-        var _elementStyle = document.createElement('div').style;
-        var _vendor = (function () {
-            var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'];
-            var transform;
-            var i = 0;
-            var l = vendors.length;
-
-            for (; i < l; i++) {
-                transform = vendors[i] + 'ransform';
-                if (transform in _elementStyle) {
-                    return vendors[i].substr(0, vendors[i].length - 1);
-                }
-            }
-
-            return false;
-        })();
-
-        function _prefixStyle(style) {
-            if (_vendor === false) {
-                return false;
-            }
-            if (_vendor === '') {
-                return style;
-            }
-            return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
-        }
-
-        me.getTime =
-            Date.now ||
-            function getTime() {
-                return new Date().getTime();
-            };
-
-        me.extend = function (target, obj) {
-            for (var i in obj) {
-                target[i] = obj[i];
-            }
-        };
-
-        me.addEvent = function (el, type, fn, capture) {
-            el.addEventListener(type, fn, !!capture);
-        };
-
-        me.removeEvent = function (el, type, fn, capture) {
-            el.removeEventListener(type, fn, !!capture);
-        };
-
-        me.prefixPointerEvent = function (pointerEvent) {
-            return window.MSPointerEvent
-                ? 'MSPointer' + pointerEvent.charAt(7).toUpperCase() + pointerEvent.substr(8)
-                : pointerEvent;
-        };
-
-        me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) {
-            var distance = current - start;
-            var speed = Math.abs(distance) / time;
-            var destination;
-            var duration;
-
-            deceleration = deceleration === undefined ? 0.0006 : deceleration;
-
-            destination = current + ((speed * speed) / (2 * deceleration)) * (distance < 0 ? -1 : 1);
-            duration = speed / deceleration;
-
-            if (destination < lowerMargin) {
-                destination = wrapperSize ? lowerMargin - (wrapperSize / 2.5) * (speed / 8) : lowerMargin;
-                distance = Math.abs(destination - current);
-                duration = distance / speed;
-            } else if (destination > 0) {
-                destination = wrapperSize ? (wrapperSize / 2.5) * (speed / 8) : 0;
-                distance = Math.abs(current) + destination;
-                duration = distance / speed;
-            }
-
-            return {
-                destination: Math.round(destination),
-                duration: duration,
-            };
-        };
-
-        var _transform = _prefixStyle('transform');
-
-        me.extend(me, {
-            hasTransform: _transform !== false,
-            hasPerspective: _prefixStyle('perspective') in _elementStyle,
-            hasTouch: 'ontouchstart' in window,
-            hasPointer: !!(window.PointerEvent || window.MSPointerEvent), // IE10 is prefixed
-            hasTransition: _prefixStyle('transition') in _elementStyle,
-        });
-
-        /*
-    This should find all Android browsers lower than build 535.19 (both stock browser and webview)
-    - galaxy S2 is ok
-      - 2.3.6 : `AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1`
-      - 4.0.4 : `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
-     - galaxy S3 is badAndroid (stock brower, webview)
-       `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
-     - galaxy S4 is badAndroid (stock brower, webview)
-       `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
-     - galaxy S5 is OK
-       `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
-     - galaxy S6 is OK
-       `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
-    */
-        me.isBadAndroid = (function () {
-            var appVersion = window.navigator.appVersion;
-            // Android browser is not a chrome browser.
-            if (/Android/.test(appVersion) && !/Chrome\/\d/.test(appVersion)) {
-                var safariVersion = appVersion.match(/Safari\/(\d+.\d)/);
-                if (safariVersion && typeof safariVersion === 'object' && safariVersion.length >= 2) {
-                    return parseFloat(safariVersion[1]) < 535.19;
-                } else {
-                    return true;
-                }
-            } else {
-                return false;
-            }
-        })();
-
-        me.extend((me.style = {}), {
-            transform: _transform,
-            transitionTimingFunction: _prefixStyle('transitionTimingFunction'),
-            transitionDuration: _prefixStyle('transitionDuration'),
-            transitionDelay: _prefixStyle('transitionDelay'),
-            transformOrigin: _prefixStyle('transformOrigin'),
-            touchAction: _prefixStyle('touchAction'),
-        });
-
-        me.hasClass = function (e, c) {
-            var re = new RegExp('(^|\\s)' + c + '(\\s|$)');
-            return re.test(e.className);
-        };
-
-        me.addClass = function (e, c) {
-            if (me.hasClass(e, c)) {
-                return;
-            }
-
-            var newclass = e.className.split(' ');
-            newclass.push(c);
-            e.className = newclass.join(' ');
-        };
-
-        me.removeClass = function (e, c) {
-            if (!me.hasClass(e, c)) {
-                return;
-            }
-
-            var re = new RegExp('(^|\\s)' + c + '(\\s|$)', 'g');
-            e.className = e.className.replace(re, ' ');
-        };
-
-        me.offset = function (el) {
-            var left = -el.offsetLeft;
-            var top = -el.offsetTop;
-
-            // jshint -W084
-            while ((el = el.offsetParent)) {
-                left -= el.offsetLeft;
-                top -= el.offsetTop;
-            }
-            // jshint +W084
-
-            /*custom*/
-            return { left: 0, top: 0 };
-            /*end*/
-
-            return {
-                left: left,
-                top: top,
-            };
-        };
-
-        me.preventDefaultException = function (el, exceptions) {
-            for (var i in exceptions) {
-                if (exceptions[i].test(el[i])) {
-                    return true;
-                }
-            }
-
-            return false;
-        };
-
-        me.extend((me.eventType = {}), {
-            touchstart: 1,
-            touchmove: 1,
-            touchend: 1,
-
-            mousedown: 2,
-            mousemove: 2,
-            mouseup: 2,
-
-            pointerdown: 3,
-            pointermove: 3,
-            pointerup: 3,
-
-            MSPointerDown: 3,
-            MSPointerMove: 3,
-            MSPointerUp: 3,
-        });
-
-        me.extend((me.ease = {}), {
-            quadratic: {
-                style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
-                fn: function (k) {
-                    return k * (2 - k);
-                },
-            },
-            circular: {
-                style: 'cubic-bezier(0.1, 0.57, 0.1, 1)', // Not properly "circular" but this looks better, it should be (0.075, 0.82, 0.165, 1)
-                fn: function (k) {
-                    return Math.sqrt(1 - --k * k);
-                },
-            },
-            back: {
-                style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)',
-                fn: function (k) {
-                    var b = 4;
-                    return (k = k - 1) * k * ((b + 1) * k + b) + 1;
-                },
-            },
-            bounce: {
-                style: '',
-                fn: function (k) {
-                    if ((k /= 1) < 1 / 2.75) {
-                        return 7.5625 * k * k;
-                    } else if (k < 2 / 2.75) {
-                        return 7.5625 * (k -= 1.5 / 2.75) * k + 0.75;
-                    } else if (k < 2.5 / 2.75) {
-                        return 7.5625 * (k -= 2.25 / 2.75) * k + 0.9375;
-                    } else {
-                        return 7.5625 * (k -= 2.625 / 2.75) * k + 0.984375;
-                    }
-                },
-            },
-            elastic: {
-                style: '',
-                fn: function (k) {
-                    var f = 0.22;
-                    var e = 0.4;
-
-                    if (k === 0) {
-                        return 0;
-                    }
-                    if (k == 1) {
-                        return 1;
-                    }
-
-                    return e * Math.pow(2, -10 * k) * Math.sin(((k - f / 4) * (2 * Math.PI)) / f) + 1;
-                },
-            },
-        });
-
-        me.tap = function (e, eventName) {
-            var ev = document.createEvent('Event');
-            ev.initEvent(eventName, true, true);
-            ev.pageX = e.pageX;
-            ev.pageY = e.pageY;
-            e.target.dispatchEvent(ev);
-        };
-
-        me.click = function (e) {
-            var target = e.target;
-            var ev;
-
-            if (!/(SELECT|INPUT|TEXTAREA)/i.test(target.tagName)) {
-                // https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/initMouseEvent
-                // initMouseEvent is deprecated.
-                ev = document.createEvent(window.MouseEvent ? 'MouseEvents' : 'Event');
-                ev.initEvent('click', true, true);
-                ev.view = e.view || window;
-                ev.detail = 1;
-                ev.screenX = target.screenX || 0;
-                ev.screenY = target.screenY || 0;
-                ev.clientX = target.clientX || 0;
-                ev.clientY = target.clientY || 0;
-                ev.ctrlKey = !!e.ctrlKey;
-                ev.altKey = !!e.altKey;
-                ev.shiftKey = !!e.shiftKey;
-                ev.metaKey = !!e.metaKey;
-                ev.button = 0;
-                ev.relatedTarget = null;
-                ev._constructed = true;
-                target.dispatchEvent(ev);
-            }
-        };
-
-        me.getTouchAction = function (eventPassthrough, addPinch) {
-            var touchAction = 'none';
-            if (eventPassthrough === 'vertical') {
-                touchAction = 'pan-y';
-            } else if (eventPassthrough === 'horizontal') {
-                touchAction = 'pan-x';
-            }
-            if (addPinch && touchAction != 'none') {
-                // add pinch-zoom support if the browser supports it, but if not (eg. Chrome <55) do nothing
-                touchAction += ' pinch-zoom';
-            }
-            return touchAction;
-        };
-
-        me.getRect = function (el) {
-            if (el instanceof SVGElement) {
-                var rect = el.getBoundingClientRect();
-                return {
-                    top: rect.top,
-                    left: rect.left,
-                    width: rect.width,
-                    height: rect.height,
-                };
-            } else {
-                return {
-                    top: el.offsetTop,
-                    left: el.offsetLeft,
-                    width: el.offsetWidth,
-                    height: el.offsetHeight,
-                };
-            }
-        };
-
-        return me;
-    })();
-    function IScroll(el, options) {
-        this.wrapper = typeof el == 'string' ? document.querySelector(el) : el;
-        this.scroller = this.wrapper.children[0];
-        this.scrollerStyle = this.scroller.style; // cache style for better performance
-
-        this.options = {
-            zoomMin: 1,
-            zoomMax: 4,
-            startZoom: 1,
-
-            resizeScrollbars: true,
-
-            mouseWheelSpeed: 20,
-            mouseWheelTimeout: 400,
-
-            snapThreshold: 0.334,
-
-            // INSERT POINT: OPTIONS
-            disablePointer: !utils.hasPointer,
-            disableTouch: utils.hasPointer || !utils.hasTouch,
-            disableMouse: utils.hasPointer || utils.hasTouch,
-            startX: 0,
-            startY: 0,
-            scrollY: true,
-            directionLockThreshold: 5,
-            momentum: true,
-
-            bounce: true,
-            bounceTime: 600,
-            bounceEasing: '',
-
-            preventDefault: true,
-            preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ },
-
-            HWCompositing: true,
-            useTransition: true,
-            useTransform: true,
-            bindToWrapper: typeof window.onmousedown === 'undefined',
-        };
-
-        for (var i in options) {
-            this.options[i] = options[i];
-        }
-
-        // Normalize options
-        this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : '';
-
-        this.options.useTransition = utils.hasTransition && this.options.useTransition;
-        this.options.useTransform = utils.hasTransform && this.options.useTransform;
-
-        this.options.eventPassthrough =
-            this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough;
-        this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault;
-
-        // If you want eventPassthrough I have to lock one of the axes
-        this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY;
-        this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
-
-        // With eventPassthrough we also need lockDirection mechanism
-        this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
-        this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
-
-        this.options.bounceEasing =
-            typeof this.options.bounceEasing == 'string'
-                ? utils.ease[this.options.bounceEasing] || utils.ease.circular
-                : this.options.bounceEasing;
-
-        this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling;
-
-        if (this.options.tap === true) {
-            this.options.tap = 'tap';
-        }
-
-        // https://github.com/cubiq/iscroll/issues/1029
-        if (!this.options.useTransition && !this.options.useTransform) {
-            if (!/relative|absolute/i.test(this.scrollerStyle.position)) {
-                this.scrollerStyle.position = 'relative';
-            }
-        }
-
-        if (this.options.shrinkScrollbars == 'scale') {
-            this.options.useTransition = false;
-        }
-
-        this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1;
-
-        // INSERT POINT: NORMALIZATION
-
-        // Some defaults
-        this.x = 0;
-        this.y = 0;
-        this.directionX = 0;
-        this.directionY = 0;
-        this._events = {};
-
-        this.scale = Math.min(Math.max(this.options.startZoom, this.options.zoomMin), this.options.zoomMax);
-
-        // INSERT POINT: DEFAULTS
-
-        this._init();
-        this.refresh();
-
-        this.scrollTo(this.options.startX, this.options.startY);
-        this.enable();
-    }
-
-    IScroll.prototype = {
-        version: '5.2.0-snapshot',
-
-        _init: function () {
-            this._initEvents();
-
-            if (this.options.zoom) {
-                this._initZoom();
-            }
-
-            if (this.options.scrollbars || this.options.indicators) {
-                this._initIndicators();
-            }
-
-            if (this.options.mouseWheel) {
-                this._initWheel();
-            }
-
-            if (this.options.snap) {
-                this._initSnap();
-            }
-
-            if (this.options.keyBindings) {
-                this._initKeys();
-            }
-
-            // INSERT POINT: _init
-        },
-
-        destroy: function () {
-            this._initEvents(true);
-            clearTimeout(this.resizeTimeout);
-            this.resizeTimeout = null;
-            this._execEvent('destroy');
-        },
-
-        _transitionEnd: function (e) {
-            if (e.target != this.scroller || !this.isInTransition) {
-                return;
-            }
-
-            this._transitionTime();
-            if (!this.resetPosition(this.options.bounceTime)) {
-                this.isInTransition = false;
-                this._execEvent('scrollEnd');
-            }
-        },
-
-        _start: function (e) {
-            //ignore secondary touch
-            if (e.type == 'pointerdown' && !e.isPrimary) {
-                return;
-            }
-            // React to left mouse button only
-            if (utils.eventType[e.type] != 1) {
-                // for button property
-                // http://unixpapa.com/js/mouse.html
-                var button;
-                if (!e.which) {
-                    /* IE case */
-                    button = e.button < 2 ? 0 : e.button == 4 ? 1 : 2;
-                } else {
-                    /* All others */
-                    button = e.button;
-                }
-                if (button !== 0) {
-                    return;
-                }
-            }
-
-            if (!this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated)) {
-                return;
-            }
-
-            if (
-                this.options.preventDefault &&
-                !utils.isBadAndroid &&
-                !utils.preventDefaultException(e.target, this.options.preventDefaultException)
-            ) {
-                e.preventDefault();
-            }
-
-            var point = e.touches ? e.touches[0] : e;
-            var pos;
-
-            this.initiated = utils.eventType[e.type];
-            this.moved = false;
-            this.distX = 0;
-            this.distY = 0;
-            this.directionX = 0;
-            this.directionY = 0;
-            this.directionLocked = 0;
-
-            this.startTime = utils.getTime();
-
-            if (this.options.useTransition && this.isInTransition) {
-                this._transitionTime();
-                this.isInTransition = false;
-                pos = this.getComputedPosition();
-                this._translate(Math.round(pos.x), Math.round(pos.y));
-                this._execEvent('scrollEnd');
-            } else if (!this.options.useTransition && this.isAnimating) {
-                this.isAnimating = false;
-                this._execEvent('scrollEnd');
-            }
-
-            this.startX = this.x;
-            this.startY = this.y;
-            this.absStartX = this.x;
-            this.absStartY = this.y;
-            this.pointX = point.pageX;
-            this.pointY = point.pageY;
-
-            this._execEvent('beforeScrollStart');
-        },
-
-        _move: function (e) {
-            if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
-                return;
-            }
-
-            //ignore secondary touch
-            if (e.type == 'pointermove' && !e.isPrimary) {
-                return;
-            }
-
-            if (this.options.preventDefault) {
-                // increases performance on Android? TODO: check!
-                e.preventDefault();
-            }
-
-            var point = e.touches ? e.touches[0] : e;
-            var deltaX = point.pageX - this.pointX;
-            var deltaY = point.pageY - this.pointY;
-            var timestamp = utils.getTime();
-            var newX;
-            var newY;
-            var absDistX;
-            var absDistY;
-
-            this.pointX = point.pageX;
-            this.pointY = point.pageY;
-
-            this.distX += deltaX;
-            this.distY += deltaY;
-            absDistX = Math.abs(this.distX);
-            absDistY = Math.abs(this.distY);
-
-            // We need to move at least 10 pixels for the scrolling to initiate
-            if (timestamp - this.endTime > 300 && absDistX < 10 && absDistY < 10) {
-                return;
-            }
-
-            // If you are scrolling in one direction lock the other
-            if (!this.directionLocked && !this.options.freeScroll) {
-                if (absDistX > absDistY + this.options.directionLockThreshold) {
-                    this.directionLocked = 'h'; // lock horizontally
-                } else if (absDistY >= absDistX + this.options.directionLockThreshold) {
-                    this.directionLocked = 'v'; // lock vertically
-                } else {
-                    this.directionLocked = 'n'; // no lock
-                }
-            }
-
-            if (this.directionLocked == 'h') {
-                if (this.options.eventPassthrough == 'vertical') {
-                    e.preventDefault();
-                } else if (this.options.eventPassthrough == 'horizontal') {
-                    this.initiated = false;
-                    return;
-                }
-
-                deltaY = 0;
-            } else if (this.directionLocked == 'v') {
-                if (this.options.eventPassthrough == 'horizontal') {
-                    e.preventDefault();
-                } else if (this.options.eventPassthrough == 'vertical') {
-                    this.initiated = false;
-                    return;
-                }
-
-                deltaX = 0;
-            }
-
-            deltaX = this.hasHorizontalScroll ? deltaX : 0;
-            deltaY = this.hasVerticalScroll ? deltaY : 0;
-
-            newX = this.x + deltaX;
-            newY = this.y + deltaY;
-
-            // Slow down if outside of the boundaries
-            if (newX > 0 || newX < this.maxScrollX) {
-                newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX;
-            }
-            if (newY > 0 || newY < this.maxScrollY) {
-                newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY;
-            }
-
-            this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
-            this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;
-
-            if (!this.moved) {
-                this._execEvent('scrollStart');
-            }
-
-            this.moved = true;
-
-            this._translate(newX, newY);
-
-            /* REPLACE START: _move */
-
-            if (timestamp - this.startTime > 300) {
-                this.startTime = timestamp;
-                this.startX = this.x;
-                this.startY = this.y;
-            }
-
-            /* REPLACE END: _move */
-        },
-
-        _end: function (e) {
-            if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
-                return;
-            }
-
-            //ignore secondary touch
-            if (e.type == 'pointerup' && !e.isPrimary) {
-                return;
-            }
-
-            if (
-                this.options.preventDefault &&
-                !utils.preventDefaultException(e.target, this.options.preventDefaultException)
-            ) {
-                e.preventDefault();
-            }
-
-            var point = e.changedTouches ? e.changedTouches[0] : e;
-            var momentumX;
-            var momentumY;
-            var duration = utils.getTime() - this.startTime;
-            var newX = Math.round(this.x);
-            var newY = Math.round(this.y);
-            var distanceX = Math.abs(newX - this.startX);
-            var distanceY = Math.abs(newY - this.startY);
-            var time = 0;
-            var easing = '';
-
-            this.isInTransition = 0;
-            this.initiated = 0;
-            this.endTime = utils.getTime();
-
-            // reset if we are outside of the boundaries
-            if (this.resetPosition(this.options.bounceTime)) {
-                return;
-            }
-
-            this.scrollTo(newX, newY); // ensures that the last position is rounded
-
-            // we scrolled less than 10 pixels
-            if (!this.moved) {
-                if (this.options.tap) {
-                    utils.tap(e, this.options.tap);
-                }
-
-                if (this.options.click) {
-                    utils.click(e);
-                }
-
-                this._execEvent('scrollCancel');
-                return;
-            }
-
-            if (this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100) {
-                this._execEvent('flick');
-                return;
-            }
-
-            // start momentum animation if needed
-            if (this.options.momentum && duration < 300) {
-                momentumX = this.hasHorizontalScroll
-                    ? utils.momentum(
-                          this.x,
-                          this.startX,
-                          duration,
-                          this.maxScrollX,
-                          this.options.bounce ? this.wrapperWidth : 0,
-                          this.options.deceleration
-                      )
-                    : { destination: newX, duration: 0 };
-                momentumY = this.hasVerticalScroll
-                    ? utils.momentum(
-                          this.y,
-                          this.startY,
-                          duration,
-                          this.maxScrollY,
-                          this.options.bounce ? this.wrapperHeight : 0,
-                          this.options.deceleration
-                      )
-                    : { destination: newY, duration: 0 };
-                newX = momentumX.destination;
-                newY = momentumY.destination;
-                time = Math.max(momentumX.duration, momentumY.duration);
-                this.isInTransition = 1;
-            }
-
-            if (this.options.snap) {
-                var snap = this._nearestSnap(newX, newY);
-                this.currentPage = snap;
-                time =
-                    this.options.snapSpeed ||
-                    Math.max(
-                        Math.max(Math.min(Math.abs(newX - snap.x), 1000), Math.min(Math.abs(newY - snap.y), 1000)),
-                        300
-                    );
-                newX = snap.x;
-                newY = snap.y;
-
-                this.directionX = 0;
-                this.directionY = 0;
-                easing = this.options.bounceEasing;
-            }
-
-            // INSERT POINT: _end
-
-            if (newX != this.x || newY != this.y) {
-                // change easing function when scroller goes out of the boundaries
-                if (newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY) {
-                    easing = utils.ease.quadratic;
-                }
-
-                this.scrollTo(newX, newY, time, easing);
-
-                //custom
-                this._execEvent('scrollToPage');
-                return;
-            }
-
-            this._execEvent('scrollEnd');
-        },
-
-        _resize: function () {
-            var that = this;
-
-            clearTimeout(this.resizeTimeout);
-
-            this.resizeTimeout = setTimeout(function () {
-                that.refresh();
-            }, this.options.resizePolling);
-        },
-
-        resetPosition: function (time) {
-            var x = this.x;
-            var y = this.y;
-
-            time = time || 0;
-
-            if (!this.hasHorizontalScroll || this.x > 0) {
-                x = 0;
-                // custom start
-                if (this.options.keepInCenterH && this.getScrollerWidth() * this.scale < this.wrapperWidth) {
-                    x = this.wrapperWidth / 2 - (this.getScrollerWidth() * this.scale) / 2;
-                }
-                // custom end
-            } else if (this.x < this.maxScrollX) {
-                x = this.maxScrollX;
-            }
-
-            if (!this.hasVerticalScroll || this.y > 0) {
-                y = 0;
-                // custom start
-                if (this.options.keepInCenterV && this.getScrollerHeight() * this.scale < this.wrapperHeight) {
-                    y = this.wrapperHeight / 2 - (this.getScrollerHeight() * this.scale) / 2;
-                }
-                // custom end
-            } else if (this.y < this.maxScrollY) {
-                y = this.maxScrollY;
-            }
-
-            if (x == this.x && y == this.y) {
-                return false;
-            }
-
-            this.scrollTo(x, y, time, this.options.bounceEasing);
-
-            return true;
-        },
-
-        disable: function () {
-            this.enabled = false;
-        },
-
-        enable: function () {
-            this.enabled = true;
-        },
-
-        //custom
-
-        setScrollerSize: function (w, h) {
-            this.scrollerW = w;
-            this.scrollerH = h;
-        },
-
-        setWrapperOffset: function (left, top) {
-            this.wrapperOffsetLeft = left;
-            this.wrapperOffsetTop = top;
-        },
-
-        //custom end
-
-        refresh: function () {
-            utils.getRect(this.wrapper); // Force reflow
-
-            this.wrapperWidth = this.wrapper.clientWidth;
-            this.wrapperHeight = this.wrapper.clientHeight;
-
-            var rect = utils.getRect(this.scroller);
-            if (this.scrollerW) {
-                rect.width = this.scrollerW;
-            }
-            if (this.scrollerH) {
-                rect.height = this.scrollerH;
-            }
-            /* REPLACE START: refresh */
-            this.scrollerWidth = Math.round(rect.width * this.scale);
-            this.scrollerHeight = Math.round(rect.height * this.scale);
-
-            this.maxScrollX = this.wrapperWidth - this.scrollerWidth;
-            this.maxScrollY = this.wrapperHeight - this.scrollerHeight;
-            /* REPLACE END: refresh */
-
-            this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0;
-            this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0;
-
-            if (!this.hasHorizontalScroll) {
-                this.maxScrollX = 0;
-                this.scrollerWidth = this.wrapperWidth;
-            }
-
-            if (!this.hasVerticalScroll) {
-                this.maxScrollY = 0;
-                this.scrollerHeight = this.wrapperHeight;
-            }
-
-            this.endTime = 0;
-            this.directionX = 0;
-            this.directionY = 0;
-
-            if (utils.hasPointer && !this.options.disablePointer) {
-                // The wrapper should have `touchAction` property for using pointerEvent.
-                this.wrapper.style[utils.style.touchAction] = utils.getTouchAction(this.options.eventPassthrough, true);
-
-                // case. not support 'pinch-zoom'
-                // https://github.com/cubiq/iscroll/issues/1118#issuecomment-270057583
-                if (!this.wrapper.style[utils.style.touchAction]) {
-                    this.wrapper.style[utils.style.touchAction] = utils.getTouchAction(
-                        this.options.eventPassthrough,
-                        false
-                    );
-                }
-            }
-            this.wrapperOffset = utils.offset(this.wrapper);
-            if (this.wrapperOffsetLeft) {
-                this.wrapperOffset.left = this.wrapperOffsetLeft;
-            }
-            if (this.wrapperOffsetTop) {
-                this.wrapperOffset.top = this.wrapperOffsetTop;
-            }
-
-            this._execEvent('refresh');
-
-            this.resetPosition();
-
-            // INSERT POINT: _refresh
-        },
-
-        on: function (type, fn) {
-            if (!this._events[type]) {
-                this._events[type] = [];
-            }
-
-            this._events[type].push(fn);
-        },
-
-        off: function (type, fn) {
-            if (!this._events[type]) {
-                return;
-            }
-
-            var index = this._events[type].indexOf(fn);
-
-            if (index > -1) {
-                this._events[type].splice(index, 1);
-            }
-        },
-
-        _execEvent: function (type) {
-            if (!this._events[type]) {
-                return;
-            }
-
-            var i = 0;
-            var l = this._events[type].length;
-
-            if (!l) {
-                return;
-            }
-
-            for (; i < l; i++) {
-                this._events[type][i].apply(this, [].slice.call(arguments, 1));
-            }
-        },
-
-        scrollBy: function (x, y, time, easing) {
-            x = this.x + x;
-            y = this.y + y;
-            time = time || 0;
-
-            this.scrollTo(x, y, time, easing);
-        },
-
-        //custom
-
-        getScrollerWidth: function () {
-            return this.scrollerW !== undefined ? this.scrollerW : this.scroller.offsetWidth;
-        },
-
-        getScrollerHeight: function () {
-            return this.scrollerH !== undefined ? this.scrollerH : this.scroller.offsetHeight;
-        },
-
-        //end custom
-
-        scrollTo: function (x, y, time, easing) {
-            /*custom*/
-
-            if (this.wrapperWidth == 0 || this.wrapperHeight == 0) {
-                return;
-            }
-
-            if (time) {
-                if (this.prevDisabled && x == 0) {
-                    this.goToPage(1, 0, 0);
-                    return;
-                }
-
-                if (this.nextDisabled && x == -(this.scrollerWidth - this.wrapperWidth)) {
-                    this.goToPage(1, 0, 0);
-                    return;
-                }
-            }
-
-            if (this.options.keepInCenterH && this.getScrollerWidth() * this.scale < this.wrapperWidth) {
-                x = this.wrapperWidth / 2 - (this.getScrollerWidth() * this.scale) / 2;
-            }
-
-            if (this.options.keepInCenterV && this.getScrollerHeight() * this.scale < this.wrapperHeight) {
-                y = this.wrapperHeight / 2 - (this.getScrollerHeight() * this.scale) / 2;
-            }
-            /*end custom*/
-
-            easing = easing || utils.ease.circular;
-
-            this.isInTransition = this.options.useTransition && time > 0;
-            var transitionType = this.options.useTransition && easing.style;
-            if (!time || transitionType) {
-                if (transitionType) {
-                    this._transitionTimingFunction(easing.style);
-                    this._transitionTime(time);
-                }
-                this._translate(x, y);
-            } else {
-                this._animate(x, y, time, easing.fn);
-            }
-        },
-
-        scrollToElement: function (el, time, offsetX, offsetY, easing) {
-            el = el.nodeType ? el : this.scroller.querySelector(el);
-
-            if (!el) {
-                return;
-            }
-
-            var pos = utils.offset(el);
-
-            pos.left -= this.wrapperOffset.left;
-            pos.top -= this.wrapperOffset.top;
-
-            // if offsetX/Y are true we center the element to the screen
-            var elRect = utils.getRect(el);
-            var wrapperRect = utils.getRect(this.wrapper);
-            if (offsetX === true) {
-                offsetX = Math.round(elRect.width / 2 - wrapperRect.width / 2);
-            }
-            if (offsetY === true) {
-                offsetY = Math.round(elRect.height / 2 - wrapperRect.height / 2);
-            }
-
-            pos.left -= offsetX || 0;
-            pos.top -= offsetY || 0;
-
-            pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left;
-            pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top;
-
-            time =
-                time === undefined || time === null || time === 'auto'
-                    ? Math.max(Math.abs(this.x - pos.left), Math.abs(this.y - pos.top))
-                    : time;
-
-            this.scrollTo(pos.left, pos.top, time, easing);
-        },
-
-        _transitionTime: function (time) {
-            if (!this.options.useTransition) {
-                return;
-            }
-            time = time || 0;
-            var durationProp = utils.style.transitionDuration;
-            if (!durationProp) {
-                return;
-            }
-
-            this.scrollerStyle[durationProp] = time + 'ms';
-
-            if (!time && utils.isBadAndroid) {
-                this.scrollerStyle[durationProp] = '0.0001ms';
-                // remove 0.0001ms
-                var self = this;
-                rAF(function () {
-                    if (self.scrollerStyle[durationProp] === '0.0001ms') {
-                        self.scrollerStyle[durationProp] = '0s';
-                    }
-                });
-            }
-
-            if (this.indicators) {
-                for (var i = this.indicators.length; i--; ) {
-                    this.indicators[i].transitionTime(time);
-                }
-            }
-
-            // INSERT POINT: _transitionTime
-        },
-
-        _transitionTimingFunction: function (easing) {
-            this.scrollerStyle[utils.style.transitionTimingFunction] = easing;
-
-            if (this.indicators) {
-                for (var i = this.indicators.length; i--; ) {
-                    this.indicators[i].transitionTimingFunction(easing);
-                }
-            }
-
-            // INSERT POINT: _transitionTimingFunction
-        },
-
-        _translate: function (x, y) {
-            if (this.options.useTransform) {
-                /* REPLACE START: _translate */ this.scrollerStyle[utils.style.transform] =
-                    'translate(' +
-                    x +
-                    'px,' +
-                    y +
-                    'px) scale(' +
-                    this.scale +
-                    ') ' +
-                    this.translateZ; /* REPLACE END: _translate */
-            } else {
-                x = Math.round(x);
-                y = Math.round(y);
-                this.scrollerStyle.left = x + 'px';
-                this.scrollerStyle.top = y + 'px';
-            }
-
-            this.x = x;
-            this.y = y;
-
-            if (this.indicators) {
-                for (var i = this.indicators.length; i--; ) {
-                    this.indicators[i].updatePosition();
-                }
-            }
-
-            // INSERT POINT: _translate
-        },
-
-        _initEvents: function (remove) {
-            var eventType = remove ? utils.removeEvent : utils.addEvent;
-            var target = this.options.bindToWrapper ? this.wrapper : window;
-
-            eventType(window, 'orientationchange', this);
-            eventType(window, 'resize', this);
-
-            if (this.options.click) {
-                eventType(this.wrapper, 'click', this, true);
-            }
-
-            if (!this.options.disableMouse) {
-                eventType(this.wrapper, 'mousedown', this);
-                eventType(target, 'mousemove', this);
-                eventType(target, 'mousecancel', this);
-                eventType(target, 'mouseup', this);
-            }
-
-            if (utils.hasPointer && !this.options.disablePointer) {
-                eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this);
-                eventType(target, utils.prefixPointerEvent('pointermove'), this);
-                eventType(target, utils.prefixPointerEvent('pointercancel'), this);
-                eventType(target, utils.prefixPointerEvent('pointerup'), this);
-            }
-
-            if (utils.hasTouch && !this.options.disableTouch) {
-                eventType(this.wrapper, 'touchstart', this);
-                eventType(target, 'touchmove', this);
-                eventType(target, 'touchcancel', this);
-                eventType(target, 'touchend', this);
-            }
-
-            eventType(this.scroller, 'transitionend', this);
-            eventType(this.scroller, 'webkitTransitionEnd', this);
-            eventType(this.scroller, 'oTransitionEnd', this);
-            eventType(this.scroller, 'MSTransitionEnd', this);
-        },
-
-        getComputedPosition: function () {
-            var matrix = window.getComputedStyle(this.scroller, null);
-            var x;
-            var y;
-
-            if (this.options.useTransform) {
-                matrix = matrix[utils.style.transform].split(')')[0].split(', ');
-                x = +(matrix[12] || matrix[4]);
-                y = +(matrix[13] || matrix[5]);
-            } else {
-                x = +matrix.left.replace(/[^-\d.]/g, '');
-                y = +matrix.top.replace(/[^-\d.]/g, '');
-            }
-
-            return { x: x, y: y };
-        },
-        _initIndicators: function () {
-            var interactive = this.options.interactiveScrollbars;
-            var customStyle = typeof this.options.scrollbars != 'string';
-            var indicators = [];
-            var indicator;
-
-            var that = this;
-
-            this.indicators = [];
-
-            if (this.options.scrollbars) {
-                // Vertical scrollbar
-                if (this.options.scrollY) {
-                    indicator = {
-                        el: createDefaultScrollbar('v', interactive, this.options.scrollbars),
-                        interactive: interactive,
-                        defaultScrollbars: true,
-                        customStyle: customStyle,
-                        resize: this.options.resizeScrollbars,
-                        shrink: this.options.shrinkScrollbars,
-                        fade: this.options.fadeScrollbars,
-                        listenX: false,
-                    };
-
-                    this.wrapper.appendChild(indicator.el);
-                    indicators.push(indicator);
-                }
-
-                // Horizontal scrollbar
-                if (this.options.scrollX) {
-                    indicator = {
-                        el: createDefaultScrollbar('h', interactive, this.options.scrollbars),
-                        interactive: interactive,
-                        defaultScrollbars: true,
-                        customStyle: customStyle,
-                        resize: this.options.resizeScrollbars,
-                        shrink: this.options.shrinkScrollbars,
-                        fade: this.options.fadeScrollbars,
-                        listenY: false,
-                    };
-
-                    this.wrapper.appendChild(indicator.el);
-                    indicators.push(indicator);
-                }
-            }
-
-            if (this.options.indicators) {
-                // TODO: check concat compatibility
-                indicators = indicators.concat(this.options.indicators);
-            }
-
-            for (var i = indicators.length; i--; ) {
-                this.indicators.push(new Indicator(this, indicators[i]));
-            }
-
-            // TODO: check if we can use array.map (wide compatibility and performance issues)
-            function _indicatorsMap(fn) {
-                if (that.indicators) {
-                    for (var i = that.indicators.length; i--; ) {
-                        fn.call(that.indicators[i]);
-                    }
-                }
-            }
-
-            if (this.options.fadeScrollbars) {
-                this.on('scrollEnd', function () {
-                    _indicatorsMap(function () {
-                        this.fade();
-                    });
-                });
-
-                this.on('scrollCancel', function () {
-                    _indicatorsMap(function () {
-                        this.fade();
-                    });
-                });
-
-                this.on('scrollStart', function () {
-                    _indicatorsMap(function () {
-                        this.fade(1);
-                    });
-                });
-
-                this.on('beforeScrollStart', function () {
-                    _indicatorsMap(function () {
-                        this.fade(1, true);
-                    });
-                });
-            }
-
-            this.on('refresh', function () {
-                _indicatorsMap(function () {
-                    this.refresh();
-                });
-            });
-
-            this.on('destroy', function () {
-                _indicatorsMap(function () {
-                    this.destroy();
-                });
-
-                delete this.indicators;
-            });
-        },
-
-        _initZoom: function () {
-            this.scrollerStyle[utils.style.transformOrigin] = '0 0';
-        },
-
-        _zoomStart: function (e) {
-            var c1 = Math.abs(e.touches[0].pageX - e.touches[1].pageX);
-            var c2 = Math.abs(e.touches[0].pageY - e.touches[1].pageY);
-
-            this.touchesDistanceStart = Math.sqrt(c1 * c1 + c2 * c2);
-            this.startScale = this.scale;
-
-            this.originX = Math.abs(e.touches[0].pageX + e.touches[1].pageX) / 2 + this.wrapperOffset.left - this.x;
-            this.originY = Math.abs(e.touches[0].pageY + e.touches[1].pageY) / 2 + this.wrapperOffset.top - this.y;
-
-            this._execEvent('zoomStart');
-        },
-
-        _zoom: function (e) {
-            if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
-                return;
-            }
-
-            if (this.options.preventDefault) {
-                e.preventDefault();
-            }
-
-            var c1 = Math.abs(e.touches[0].pageX - e.touches[1].pageX);
-            var c2 = Math.abs(e.touches[0].pageY - e.touches[1].pageY);
-            var distance = Math.sqrt(c1 * c1 + c2 * c2);
-            var scale = (1 / this.touchesDistanceStart) * distance * this.startScale;
-            var lastScale;
-            var x;
-            var y;
-
-            this.scaled = true;
-
-            if (scale < this.options.zoomMin) {
-                scale = 0.5 * this.options.zoomMin * Math.pow(2.0, scale / this.options.zoomMin);
-            } else if (scale > this.options.zoomMax) {
-                scale = 2.0 * this.options.zoomMax * Math.pow(0.5, this.options.zoomMax / scale);
-            }
-
-            lastScale = scale / this.startScale;
-            x = this.originX - this.originX * lastScale + this.startX;
-            y = this.originY - this.originY * lastScale + this.startY;
-
-            this.scale = scale;
-
-            this.scrollTo(x, y, 0);
-        },
-
-        _zoomEnd: function (e) {
-            if (!this.enabled || utils.eventType[e.type] !== this.initiated) {
-                return;
-            }
-
-            if (this.options.preventDefault) {
-                e.preventDefault();
-            }
-
-            var newX;
-            var newY;
-            var lastScale;
-
-            this.isInTransition = 0;
-            this.initiated = 0;
-
-            if (this.scale > this.options.zoomMax) {
-                this.scale = this.options.zoomMax;
-            } else if (this.scale < this.options.zoomMin) {
-                this.scale = this.options.zoomMin;
-            }
-
-            // Update boundaries
-            this.refresh();
-
-            lastScale = this.scale / this.startScale;
-
-            newX = this.originX - this.originX * lastScale + this.startX;
-            newY = this.originY - this.originY * lastScale + this.startY;
-
-            if (newX > 0) {
-                newX = 0;
-            } else if (newX < this.maxScrollX) {
-                newX = this.maxScrollX;
-            }
-
-            if (newY > 0) {
-                newY = 0;
-            } else if (newY < this.maxScrollY) {
-                newY = this.maxScrollY;
-            }
-
-            if (this.x != newX || this.y != newY) {
-                this.scrollTo(newX, newY, this.options.bounceTime);
-            }
-
-            this.scaled = false;
-
-            this._execEvent('zoomEnd');
-        },
-
-        zoom: function (scale, x, y, time) {
-            /*custom*/
-            if (this.wrapperWidth == 0 || this.wrapperHeight == 0) {
-                return;
-            }
-            /* end custom*/
-
-            if (scale < this.options.zoomMin) {
-                scale = this.options.zoomMin;
-            } else if (scale > this.options.zoomMax) {
-                scale = this.options.zoomMax;
-            }
-
-            if (scale == this.scale) {
-                return;
-            }
-
-            var relScale = scale / this.scale;
-
-            /*custom*/
-            var that = this;
-            if (relScale != 1) {
-                clearTimeout(this.zoomStartTimeout);
-                this.zoomStartTimeout = setTimeout(function () {
-                    that._execEvent('zoomStart');
-                }, 0);
-
-                // Execute the zoomEnd event after 400ms the wheel stopped scrolling
-                clearTimeout(this.wheelTimeout);
-                this.wheelTimeout = setTimeout(function () {
-                    that._execEvent('zoomEnd');
-                }, Number(time + 100));
-            }
-
-            /*custom end*/
-
-            x = x === undefined ? this.wrapperWidth / 2 : x;
-            y = y === undefined ? this.wrapperHeight / 2 : y;
-            time = time === undefined ? 300 : time;
-
-            x = x + this.wrapperOffset.left - this.x;
-            y = y + this.wrapperOffset.top - this.y;
-
-            x = x - x * relScale + this.x;
-            y = y - y * relScale + this.y;
-
-            this.scale = scale;
-
-            this.refresh(); // update boundaries
-
-            if (x > 0) {
-                x = 0;
-            } else if (x < this.maxScrollX) {
-                x = this.maxScrollX;
-            }
-
-            if (y > 0) {
-                y = 0;
-            } else if (y < this.maxScrollY) {
-                y = this.maxScrollY;
-            }
-
-            this.scrollTo(x, y, time);
-        },
-
-        _wheelZoom: function (e) {
-            var wheelDeltaY;
-            var deltaScale;
-            var that = this;
-
-            /*custom - moved to function zoom()
-
-      // Execute the zoomEnd event after 400ms the wheel stopped scrolling
-      clearTimeout(this.wheelTimeout);
-      this.wheelTimeout = setTimeout(function () {
-        that._execEvent('zoomEnd');
-      }, 400);
-
-      custom end*/
-
-            if ('deltaX' in e) {
-                wheelDeltaY = -e.deltaY / Math.abs(e.deltaY);
-            } else if ('wheelDeltaX' in e) {
-                wheelDeltaY = e.wheelDeltaY / Math.abs(e.wheelDeltaY);
-            } else if ('wheelDelta' in e) {
-                wheelDeltaY = e.wheelDelta / Math.abs(e.wheelDelta);
-            } else if ('detail' in e) {
-                wheelDeltaY = -e.detail / Math.abs(e.wheelDelta);
-            } else {
-                return;
-            }
-
-            deltaScale = this.scale + wheelDeltaY / 5;
-
-            this.zoom(deltaScale, e.pageX, e.pageY, 0);
-        },
-
-        _initWheel: function () {
-            utils.addEvent(this.wrapper, 'wheel', this);
-            utils.addEvent(this.wrapper, 'mousewheel', this);
-            utils.addEvent(this.wrapper, 'DOMMouseScroll', this);
-
-            this.on('destroy', function () {
-                clearTimeout(this.wheelTimeout);
-                this.wheelTimeout = null;
-                utils.removeEvent(this.wrapper, 'wheel', this);
-                utils.removeEvent(this.wrapper, 'mousewheel', this);
-                utils.removeEvent(this.wrapper, 'DOMMouseScroll', this);
-            });
-        },
-
-        _wheel: function (e) {
-            if (!this.enabled) {
-                return;
-            }
-            //custom - prevent default wheel behavior only if options.preventDefault
-            if (this.options.preventDefault) {
-                //custom end
-                e.preventDefault();
-                //custom
-            }
-            //custom end
-            var wheelDeltaX;
-            var wheelDeltaY;
-            var newX;
-            var newY;
-            var that = this;
-
-            if (this.wheelTimeout === undefined) {
-                that._execEvent('scrollStart');
-            }
-
-            // Execute the scrollEnd event after 400ms the wheel stopped scrolling
-            clearTimeout(this.wheelTimeout);
-
-            /* custom - fixed timet 400ms changed to this.options.mouseWheelTimeout, default is 400
-            this.wheelTimeout = setTimeout(function () {
-                if (!that.options.snap) {
-                    that._execEvent('scrollEnd');
-                }
-                that.wheelTimeout = undefined;
-            }, 400);
-
-			*/
-
-            this.wheelTimeout = setTimeout(function () {
-                if (!that.options.snap) {
-                    that._execEvent('scrollEnd');
-                }
-                that.wheelTimeout = undefined;
-            }, this.options.mouseWheelTimeout);
-
-            if ('deltaX' in e) {
-                if (e.deltaMode === 1) {
-                    wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed;
-                    wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed;
-                } else {
-                    wheelDeltaX = -e.deltaX;
-                    wheelDeltaY = -e.deltaY;
-                }
-            } else if ('wheelDeltaX' in e) {
-                wheelDeltaX = (e.wheelDeltaX / 120) * this.options.mouseWheelSpeed;
-                wheelDeltaY = (e.wheelDeltaY / 120) * this.options.mouseWheelSpeed;
-            } else if ('wheelDelta' in e) {
-                wheelDeltaX = wheelDeltaY = (e.wheelDelta / 120) * this.options.mouseWheelSpeed;
-            } else if ('detail' in e) {
-                wheelDeltaX = wheelDeltaY = (-e.detail / 3) * this.options.mouseWheelSpeed;
-            } else {
-                return;
-            }
-
-            wheelDeltaX *= this.options.invertWheelDirection;
-            wheelDeltaY *= this.options.invertWheelDirection;
-
-            if (!this.hasVerticalScroll) {
-                wheelDeltaX = wheelDeltaY;
-                wheelDeltaY = 0;
-            }
-
-            if (this.options.snap) {
-                newX = this.currentPage.pageX;
-                newY = this.currentPage.pageY;
-
-                if (wheelDeltaX > 0) {
-                    newX--;
-                } else if (wheelDeltaX < 0) {
-                    newX++;
-                }
-
-                if (wheelDeltaY > 0) {
-                    newY--;
-                } else if (wheelDeltaY < 0) {
-                    newY++;
-                }
-
-                this.goToPage(newX, newY);
-
-                return;
-            }
-
-            newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0);
-            newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0);
-
-            this.directionX = wheelDeltaX > 0 ? -1 : wheelDeltaX < 0 ? 1 : 0;
-            this.directionY = wheelDeltaY > 0 ? -1 : wheelDeltaY < 0 ? 1 : 0;
-
-            if (newX > 0) {
-                newX = 0;
-            } else if (newX < this.maxScrollX) {
-                newX = this.maxScrollX;
-            }
-
-            if (newY > 0) {
-                newY = 0;
-            } else if (newY < this.maxScrollY) {
-                newY = this.maxScrollY;
-            }
-            //custom - prevent page scrolling if iscroll is scrolling
-            else {
-                e.preventDefault();
-            }
-            //end custom
-
-            this.scrollTo(newX, newY, 0);
-
-            // INSERT POINT: _wheel
-        },
-
-        _initSnap: function () {
-            this.currentPage = {};
-
-            if (typeof this.options.snap == 'string') {
-                this.options.snap = this.scroller.querySelectorAll(this.options.snap);
-            }
-
-            this.on('refresh', function () {
-                var i = 0;
-                var l;
-                var m = 0;
-                var n;
-                var cx;
-                var cy;
-                var x = 0;
-                var y;
-                var stepX = this.options.snapStepX || this.wrapperWidth;
-                var stepY = this.options.snapStepY || this.wrapperHeight;
-                var el;
-                var rect;
-
-                this.pages = [];
-
-                if (!this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight) {
-                    return;
-                }
-
-                if (this.options.snap === true) {
-                    cx = Math.round(stepX / 2);
-                    cy = Math.round(stepY / 2);
-
-                    while (x > -this.scrollerWidth) {
-                        this.pages[i] = [];
-                        l = 0;
-                        y = 0;
-
-                        while (y > -this.scrollerHeight) {
-                            this.pages[i][l] = {
-                                x: Math.max(x, this.maxScrollX),
-                                y: Math.max(y, this.maxScrollY),
-                                width: stepX,
-                                height: stepY,
-                                cx: x - cx,
-                                cy: y - cy,
-                            };
-
-                            y -= stepY;
-                            l++;
-                        }
-
-                        x -= stepX;
-                        i++;
-                    }
-                } else {
-                    el = this.options.snap;
-                    l = el.length;
-                    n = -1;
-
-                    for (; i < l; i++) {
-                        rect = utils.getRect(el[i]);
-                        if (i === 0 || rect.left <= utils.getRect(el[i - 1]).left) {
-                            m = 0;
-                            n++;
-                        }
-
-                        if (!this.pages[m]) {
-                            this.pages[m] = [];
-                        }
-
-                        x = Math.max(-rect.left, this.maxScrollX);
-                        y = Math.max(-rect.top, this.maxScrollY);
-                        cx = x - Math.round(rect.width / 2);
-                        cy = y - Math.round(rect.height / 2);
-
-                        this.pages[m][n] = {
-                            x: x,
-                            y: y,
-                            width: rect.width,
-                            height: rect.height,
-                            cx: cx,
-                            cy: cy,
-                        };
-
-                        if (x > this.maxScrollX) {
-                            m++;
-                        }
-                    }
-                }
-
-                this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0);
-
-                // Update snap threshold if needed
-                if (this.options.snapThreshold % 1 === 0) {
-                    this.snapThresholdX = this.options.snapThreshold;
-                    this.snapThresholdY = this.options.snapThreshold;
-                } else {
-                    this.snapThresholdX = Math.round(
-                        this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold
-                    );
-                    this.snapThresholdY = Math.round(
-                        this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold
-                    );
-                }
-            });
-
-            this.on('flick', function () {
-                var time =
-                    this.options.snapSpeed ||
-                    Math.max(
-                        Math.max(
-                            Math.min(Math.abs(this.x - this.startX), 1000),
-                            Math.min(Math.abs(this.y - this.startY), 1000)
-                        ),
-                        300
-                    );
-
-                this.goToPage(this.currentPage.pageX + this.directionX, this.currentPage.pageY + this.directionY, time);
-            });
-        },
-
-        _nearestSnap: function (x, y) {
-            if (!this.pages.length) {
-                return { x: 0, y: 0, pageX: 0, pageY: 0 };
-            }
-
-            var i = 0;
-            var l = this.pages.length;
-            var m = 0;
-
-            // Check if we exceeded the snap threshold
-            if (
-                Math.abs(x - this.absStartX) < this.snapThresholdX &&
-                Math.abs(y - this.absStartY) < this.snapThresholdY
-            ) {
-                return this.currentPage;
-            }
-
-            if (x > 0) {
-                x = 0;
-            } else if (x < this.maxScrollX) {
-                x = this.maxScrollX;
-            }
-
-            if (y > 0) {
-                y = 0;
-            } else if (y < this.maxScrollY) {
-                y = this.maxScrollY;
-            }
-
-            for (; i < l; i++) {
-                if (x >= this.pages[i][0].cx) {
-                    x = this.pages[i][0].x;
-                    break;
-                }
-            }
-
-            l = this.pages[i].length;
-
-            for (; m < l; m++) {
-                if (y >= this.pages[0][m].cy) {
-                    y = this.pages[0][m].y;
-                    break;
-                }
-            }
-
-            if (i == this.currentPage.pageX) {
-                i += this.directionX;
-
-                if (i < 0) {
-                    i = 0;
-                } else if (i >= this.pages.length) {
-                    i = this.pages.length - 1;
-                }
-
-                x = this.pages[i][0].x;
-            }
-
-            if (m == this.currentPage.pageY) {
-                m += this.directionY;
-
-                if (m < 0) {
-                    m = 0;
-                } else if (m >= this.pages[0].length) {
-                    m = this.pages[0].length - 1;
-                }
-
-                y = this.pages[0][m].y;
-            }
-
-            return {
-                x: x,
-                y: y,
-                pageX: i,
-                pageY: m,
-            };
-        },
-
-        goToPage: function (x, y, time, easing) {
-            easing = easing || this.options.bounceEasing;
-
-            if (x >= this.pages.length) {
-                x = this.pages.length - 1;
-            } else if (x < 0) {
-                x = 0;
-            }
-
-            if (y >= this.pages[x].length) {
-                y = this.pages[x].length - 1;
-            } else if (y < 0) {
-                y = 0;
-            }
-
-            var posX = this.pages[x][y].x;
-            var posY = this.pages[x][y].y;
-
-            time =
-                time === undefined
-                    ? this.options.snapSpeed ||
-                      Math.max(
-                          Math.max(Math.min(Math.abs(posX - this.x), 1000), Math.min(Math.abs(posY - this.y), 1000)),
-                          300
-                      )
-                    : time;
-
-            this.currentPage = {
-                x: posX,
-                y: posY,
-                pageX: x,
-                pageY: y,
-            };
-
-            this.scrollTo(posX, posY, time, easing);
-        },
-
-        next: function (time, easing) {
-            var x = this.currentPage.pageX;
-            var y = this.currentPage.pageY;
-
-            x++;
-
-            if (x >= this.pages.length && this.hasVerticalScroll) {
-                x = 0;
-                y++;
-            }
-
-            this.goToPage(x, y, time, easing);
-        },
-
-        prev: function (time, easing) {
-            var x = this.currentPage.pageX;
-            var y = this.currentPage.pageY;
-
-            x--;
-
-            if (x < 0 && this.hasVerticalScroll) {
-                x = 0;
-                y--;
-            }
-
-            this.goToPage(x, y, time, easing);
-        },
-
-        _initKeys: function (e) {
-            // default key bindings
-            var keys = {
-                pageUp: 33,
-                pageDown: 34,
-                end: 35,
-                home: 36,
-                left: 37,
-                up: 38,
-                right: 39,
-                down: 40,
-            };
-            var i;
-
-            // if you give me characters I give you keycode
-            if (typeof this.options.keyBindings == 'object') {
-                for (i in this.options.keyBindings) {
-                    if (typeof this.options.keyBindings[i] == 'string') {
-                        this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0);
-                    }
-                }
-            } else {
-                this.options.keyBindings = {};
-            }
-
-            for (i in keys) {
-                this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i];
-            }
-
-            utils.addEvent(window, 'keydown', this);
-
-            this.on('destroy', function () {
-                utils.removeEvent(window, 'keydown', this);
-            });
-        },
-
-        _key: function (e) {
-            if (!this.enabled) {
-                return;
-            }
-
-            var snap = this.options.snap; // we are using this alot, better to cache it
-            var newX = snap ? this.currentPage.pageX : this.x;
-            var newY = snap ? this.currentPage.pageY : this.y;
-            var now = utils.getTime();
-            var prevTime = this.keyTime || 0;
-            var acceleration = 0.25;
-            var pos;
-
-            if (this.options.useTransition && this.isInTransition) {
-                pos = this.getComputedPosition();
-
-                this._translate(Math.round(pos.x), Math.round(pos.y));
-                this.isInTransition = false;
-            }
-
-            this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0;
-
-            switch (e.keyCode) {
-                case this.options.keyBindings.pageUp:
-                    if (this.hasHorizontalScroll && !this.hasVerticalScroll) {
-                        newX += snap ? 1 : this.wrapperWidth;
-                    } else {
-                        newY += snap ? 1 : this.wrapperHeight;
-                    }
-                    break;
-                case this.options.keyBindings.pageDown:
-                    if (this.hasHorizontalScroll && !this.hasVerticalScroll) {
-                        newX -= snap ? 1 : this.wrapperWidth;
-                    } else {
-                        newY -= snap ? 1 : this.wrapperHeight;
-                    }
-                    break;
-                case this.options.keyBindings.end:
-                    newX = snap ? this.pages.length - 1 : this.maxScrollX;
-                    newY = snap ? this.pages[0].length - 1 : this.maxScrollY;
-                    break;
-                case this.options.keyBindings.home:
-                    newX = 0;
-                    newY = 0;
-                    break;
-                case this.options.keyBindings.left:
-                    newX += snap ? -1 : (5 + this.keyAcceleration) >> 0;
-                    break;
-                case this.options.keyBindings.up:
-                    newY += snap ? 1 : (5 + this.keyAcceleration) >> 0;
-                    break;
-                case this.options.keyBindings.right:
-                    newX -= snap ? -1 : (5 + this.keyAcceleration) >> 0;
-                    break;
-                case this.options.keyBindings.down:
-                    newY -= snap ? 1 : (5 + this.keyAcceleration) >> 0;
-                    break;
-                default:
-                    return;
-            }
-
-            if (snap) {
-                this.goToPage(newX, newY);
-                return;
-            }
-
-            if (newX > 0) {
-                newX = 0;
-                this.keyAcceleration = 0;
-            } else if (newX < this.maxScrollX) {
-                newX = this.maxScrollX;
-                this.keyAcceleration = 0;
-            }
-
-            if (newY > 0) {
-                newY = 0;
-                this.keyAcceleration = 0;
-            } else if (newY < this.maxScrollY) {
-                newY = this.maxScrollY;
-                this.keyAcceleration = 0;
-            }
-
-            this.scrollTo(newX, newY, 0);
-
-            this.keyTime = now;
-        },
-
-        _animate: function (destX, destY, duration, easingFn) {
-            var that = this;
-            var startX = this.x;
-            var startY = this.y;
-            var startTime = utils.getTime();
-            var destTime = startTime + duration;
-
-            function step() {
-                var now = utils.getTime();
-                var newX;
-                var newY;
-                var easing;
-
-                if (now >= destTime) {
-                    that.isAnimating = false;
-                    that._translate(destX, destY);
-
-                    if (!that.resetPosition(that.options.bounceTime)) {
-                        that._execEvent('scrollEnd');
-                    }
-
-                    return;
-                }
-
-                now = (now - startTime) / duration;
-                easing = easingFn(now);
-                newX = (destX - startX) * easing + startX;
-                newY = (destY - startY) * easing + startY;
-                that._translate(newX, newY);
-
-                if (that.isAnimating) {
-                    rAF(step);
-                }
-            }
-
-            this.isAnimating = true;
-            step();
-        },
-        handleEvent: function (e) {
-            switch (e.type) {
-                case 'touchstart':
-                case 'pointerdown':
-                case 'MSPointerDown':
-                case 'mousedown':
-                    this._start(e);
-
-                    if (this.options.zoom && e.touches && e.touches.length > 1) {
-                        this._zoomStart(e);
-                    }
-                    break;
-                case 'touchmove':
-                case 'pointermove':
-                case 'MSPointerMove':
-                case 'mousemove':
-                    if (this.options.zoom && e.touches && e.touches[1]) {
-                        this._zoom(e);
-                        return;
-                    }
-                    this._move(e);
-                    break;
-                case 'touchend':
-                case 'pointerup':
-                case 'MSPointerUp':
-                case 'mouseup':
-                case 'touchcancel':
-                case 'pointercancel':
-                case 'MSPointerCancel':
-                case 'mousecancel':
-                    if (this.scaled) {
-                        this._zoomEnd(e);
-                        return;
-                    }
-                    this._end(e);
-                    break;
-                case 'orientationchange':
-                case 'resize':
-                    this._resize();
-                    break;
-                case 'transitionend':
-                case 'webkitTransitionEnd':
-                case 'oTransitionEnd':
-                case 'MSTransitionEnd':
-                    this._transitionEnd(e);
-                    break;
-                case 'wheel':
-                case 'DOMMouseScroll':
-                case 'mousewheel':
-                    if (this.options.wheelAction == 'zoom') {
-                        this._wheelZoom(e);
-                        return;
-                    }
-                    this._wheel(e);
-                    break;
-                case 'keydown':
-                    this._key(e);
-                    break;
-            }
-        },
-    };
-    function createDefaultScrollbar(direction, interactive, type) {
-        var scrollbar = document.createElement('div');
-        var indicator = document.createElement('div');
-
-        if (type === true) {
-            scrollbar.style.cssText = 'position:absolute;z-index:9999';
-            indicator.style.cssText =
-                '-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;position:absolute;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);border-radius:3px';
-        }
-
-        indicator.className = 'iScrollIndicator';
-
-        if (direction == 'h') {
-            if (type === true) {
-                scrollbar.style.cssText += ';height:7px;left:2px;right:2px;bottom:0';
-                indicator.style.height = '100%';
-            }
-            scrollbar.className = 'iScrollHorizontalScrollbar';
-        } else {
-            if (type === true) {
-                scrollbar.style.cssText += ';width:7px;bottom:2px;top:2px;right:1px';
-                indicator.style.width = '100%';
-            }
-            scrollbar.className = 'iScrollVerticalScrollbar';
-        }
-
-        scrollbar.style.cssText += ';overflow:hidden';
-
-        if (!interactive) {
-            scrollbar.style.pointerEvents = 'none';
-        }
-
-        scrollbar.appendChild(indicator);
-
-        return scrollbar;
-    }
-
-    function Indicator(scroller, options) {
-        this.wrapper = typeof options.el == 'string' ? document.querySelector(options.el) : options.el;
-        this.wrapperStyle = this.wrapper.style;
-        this.indicator = this.wrapper.children[0];
-        this.indicatorStyle = this.indicator.style;
-        this.scroller = scroller;
-
-        this.options = {
-            listenX: true,
-            listenY: true,
-            interactive: false,
-            resize: true,
-            defaultScrollbars: false,
-            shrink: false,
-            fade: false,
-            speedRatioX: 0,
-            speedRatioY: 0,
-        };
-
-        for (var i in options) {
-            this.options[i] = options[i];
-        }
-
-        this.sizeRatioX = 1;
-        this.sizeRatioY = 1;
-        this.maxPosX = 0;
-        this.maxPosY = 0;
-
-        if (this.options.interactive) {
-            if (!this.options.disableTouch) {
-                utils.addEvent(this.indicator, 'touchstart', this);
-                utils.addEvent(window, 'touchend', this);
-            }
-            if (!this.options.disablePointer) {
-                utils.addEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
-                utils.addEvent(window, utils.prefixPointerEvent('pointerup'), this);
-            }
-            if (!this.options.disableMouse) {
-                utils.addEvent(this.indicator, 'mousedown', this);
-                utils.addEvent(window, 'mouseup', this);
-            }
-        }
-
-        if (this.options.fade) {
-            this.wrapperStyle[utils.style.transform] = this.scroller.translateZ;
-            var durationProp = utils.style.transitionDuration;
-            if (!durationProp) {
-                return;
-            }
-            this.wrapperStyle[durationProp] = utils.isBadAndroid ? '0.0001ms' : '0ms';
-            // remove 0.0001ms
-            var self = this;
-            if (utils.isBadAndroid) {
-                rAF(function () {
-                    if (self.wrapperStyle[durationProp] === '0.0001ms') {
-                        self.wrapperStyle[durationProp] = '0s';
-                    }
-                });
-            }
-            this.wrapperStyle.opacity = '0';
-        }
-    }
-
-    Indicator.prototype = {
-        handleEvent: function (e) {
-            switch (e.type) {
-                case 'touchstart':
-                case 'pointerdown':
-                case 'MSPointerDown':
-                case 'mousedown':
-                    this._start(e);
-                    break;
-                case 'touchmove':
-                case 'pointermove':
-                case 'MSPointerMove':
-                case 'mousemove':
-                    this._move(e);
-                    break;
-                case 'touchend':
-                case 'pointerup':
-                case 'MSPointerUp':
-                case 'mouseup':
-                case 'touchcancel':
-                case 'pointercancel':
-                case 'MSPointerCancel':
-                case 'mousecancel':
-                    this._end(e);
-                    break;
-            }
-        },
-
-        destroy: function () {
-            if (this.options.fadeScrollbars) {
-                clearTimeout(this.fadeTimeout);
-                this.fadeTimeout = null;
-            }
-            if (this.options.interactive) {
-                utils.removeEvent(this.indicator, 'touchstart', this);
-                utils.removeEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
-                utils.removeEvent(this.indicator, 'mousedown', this);
-
-                utils.removeEvent(window, 'touchmove', this);
-                utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
-                utils.removeEvent(window, 'mousemove', this);
-
-                utils.removeEvent(window, 'touchend', this);
-                utils.removeEvent(window, utils.prefixPointerEvent('pointerup'), this);
-                utils.removeEvent(window, 'mouseup', this);
-            }
-
-            if (this.options.defaultScrollbars && this.wrapper.parentNode) {
-                this.wrapper.parentNode.removeChild(this.wrapper);
-            }
-        },
-
-        _start: function (e) {
-            var point = e.touches ? e.touches[0] : e;
-
-            e.preventDefault();
-            e.stopPropagation();
-
-            this.transitionTime();
-
-            this.initiated = true;
-            this.moved = false;
-            this.lastPointX = point.pageX;
-            this.lastPointY = point.pageY;
-
-            this.startTime = utils.getTime();
-
-            if (!this.options.disableTouch) {
-                utils.addEvent(window, 'touchmove', this);
-            }
-            if (!this.options.disablePointer) {
-                utils.addEvent(window, utils.prefixPointerEvent('pointermove'), this);
-            }
-            if (!this.options.disableMouse) {
-                utils.addEvent(window, 'mousemove', this);
-            }
-
-            this.scroller._execEvent('beforeScrollStart');
-        },
-
-        _move: function (e) {
-            var point = e.touches ? e.touches[0] : e;
-            var deltaX;
-            var deltaY;
-            var newX;
-            var newY;
-            var timestamp = utils.getTime();
-
-            if (!this.moved) {
-                this.scroller._execEvent('scrollStart');
-            }
-
-            this.moved = true;
-
-            deltaX = point.pageX - this.lastPointX;
-            this.lastPointX = point.pageX;
-
-            deltaY = point.pageY - this.lastPointY;
-            this.lastPointY = point.pageY;
-
-            newX = this.x + deltaX;
-            newY = this.y + deltaY;
-
-            this._pos(newX, newY);
-
-            // INSERT POINT: indicator._move
-
-            e.preventDefault();
-            e.stopPropagation();
-        },
-
-        _end: function (e) {
-            if (!this.initiated) {
-                return;
-            }
-
-            this.initiated = false;
-
-            e.preventDefault();
-            e.stopPropagation();
-
-            utils.removeEvent(window, 'touchmove', this);
-            utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
-            utils.removeEvent(window, 'mousemove', this);
-
-            if (this.scroller.options.snap) {
-                var snap = this.scroller._nearestSnap(this.scroller.x, this.scroller.y);
-
-                var time =
-                    this.options.snapSpeed ||
-                    Math.max(
-                        Math.max(
-                            Math.min(Math.abs(this.scroller.x - snap.x), 1000),
-                            Math.min(Math.abs(this.scroller.y - snap.y), 1000)
-                        ),
-                        300
-                    );
-
-                if (this.scroller.x != snap.x || this.scroller.y != snap.y) {
-                    this.scroller.directionX = 0;
-                    this.scroller.directionY = 0;
-                    this.scroller.currentPage = snap;
-                    this.scroller.scrollTo(snap.x, snap.y, time, this.scroller.options.bounceEasing);
-                }
-            }
-
-            if (this.moved) {
-                this.scroller._execEvent('scrollEnd');
-            }
-        },
-
-        transitionTime: function (time) {
-            time = time || 0;
-            var durationProp = utils.style.transitionDuration;
-            if (!durationProp) {
-                return;
-            }
-
-            this.indicatorStyle[durationProp] = time + 'ms';
-
-            if (!time && utils.isBadAndroid) {
-                this.indicatorStyle[durationProp] = '0.0001ms';
-                // remove 0.0001ms
-                var self = this;
-                rAF(function () {
-                    if (self.indicatorStyle[durationProp] === '0.0001ms') {
-                        self.indicatorStyle[durationProp] = '0s';
-                    }
-                });
-            }
-        },
-
-        transitionTimingFunction: function (easing) {
-            this.indicatorStyle[utils.style.transitionTimingFunction] = easing;
-        },
-
-        refresh: function () {
-            this.transitionTime();
-
-            if (this.options.listenX && !this.options.listenY) {
-                this.indicatorStyle.display = this.scroller.hasHorizontalScroll ? 'block' : 'none';
-            } else if (this.options.listenY && !this.options.listenX) {
-                this.indicatorStyle.display = this.scroller.hasVerticalScroll ? 'block' : 'none';
-            } else {
-                this.indicatorStyle.display =
-                    this.scroller.hasHorizontalScroll || this.scroller.hasVerticalScroll ? 'block' : 'none';
-            }
-
-            if (this.scroller.hasHorizontalScroll && this.scroller.hasVerticalScroll) {
-                utils.addClass(this.wrapper, 'iScrollBothScrollbars');
-                utils.removeClass(this.wrapper, 'iScrollLoneScrollbar');
-
-                if (this.options.defaultScrollbars && this.options.customStyle) {
-                    if (this.options.listenX) {
-                        this.wrapper.style.right = '8px';
-                    } else {
-                        this.wrapper.style.bottom = '8px';
-                    }
-                }
-            } else {
-                utils.removeClass(this.wrapper, 'iScrollBothScrollbars');
-                utils.addClass(this.wrapper, 'iScrollLoneScrollbar');
-
-                if (this.options.defaultScrollbars && this.options.customStyle) {
-                    if (this.options.listenX) {
-                        this.wrapper.style.right = '2px';
-                    } else {
-                        this.wrapper.style.bottom = '2px';
-                    }
-                }
-            }
-
-            utils.getRect(this.wrapper); // force refresh
-
-            if (this.options.listenX) {
-                this.wrapperWidth = this.wrapper.clientWidth;
-                if (this.options.resize) {
-                    this.indicatorWidth = Math.max(
-                        Math.round(
-                            (this.wrapperWidth * this.wrapperWidth) /
-                                (this.scroller.scrollerWidth || this.wrapperWidth || 1)
-                        ),
-                        8
-                    );
-                    this.indicatorStyle.width = this.indicatorWidth + 'px';
-                } else {
-                    this.indicatorWidth = this.indicator.clientWidth;
-                }
-
-                this.maxPosX = this.wrapperWidth - this.indicatorWidth;
-
-                if (this.options.shrink == 'clip') {
-                    this.minBoundaryX = -this.indicatorWidth + 8;
-                    this.maxBoundaryX = this.wrapperWidth - 8;
-                } else {
-                    this.minBoundaryX = 0;
-                    this.maxBoundaryX = this.maxPosX;
-                }
-
-                this.sizeRatioX =
-                    this.options.speedRatioX || (this.scroller.maxScrollX && this.maxPosX / this.scroller.maxScrollX);
-            }
-
-            if (this.options.listenY) {
-                this.wrapperHeight = this.wrapper.clientHeight;
-                if (this.options.resize) {
-                    this.indicatorHeight = Math.max(
-                        Math.round(
-                            (this.wrapperHeight * this.wrapperHeight) /
-                                (this.scroller.scrollerHeight || this.wrapperHeight || 1)
-                        ),
-                        8
-                    );
-                    this.indicatorStyle.height = this.indicatorHeight + 'px';
-                } else {
-                    this.indicatorHeight = this.indicator.clientHeight;
-                }
-
-                this.maxPosY = this.wrapperHeight - this.indicatorHeight;
-
-                if (this.options.shrink == 'clip') {
-                    this.minBoundaryY = -this.indicatorHeight + 8;
-                    this.maxBoundaryY = this.wrapperHeight - 8;
-                } else {
-                    this.minBoundaryY = 0;
-                    this.maxBoundaryY = this.maxPosY;
-                }
-
-                this.maxPosY = this.wrapperHeight - this.indicatorHeight;
-                this.sizeRatioY =
-                    this.options.speedRatioY || (this.scroller.maxScrollY && this.maxPosY / this.scroller.maxScrollY);
-            }
-
-            this.updatePosition();
-        },
-
-        updatePosition: function () {
-            var x = (this.options.listenX && Math.round(this.sizeRatioX * this.scroller.x)) || 0;
-            var y = (this.options.listenY && Math.round(this.sizeRatioY * this.scroller.y)) || 0;
-
-            if (!this.options.ignoreBoundaries) {
-                if (x < this.minBoundaryX) {
-                    if (this.options.shrink == 'scale') {
-                        this.width = Math.max(this.indicatorWidth + x, 8);
-                        this.indicatorStyle.width = this.width + 'px';
-                    }
-                    x = this.minBoundaryX;
-                } else if (x > this.maxBoundaryX) {
-                    if (this.options.shrink == 'scale') {
-                        this.width = Math.max(this.indicatorWidth - (x - this.maxPosX), 8);
-                        this.indicatorStyle.width = this.width + 'px';
-                        x = this.maxPosX + this.indicatorWidth - this.width;
-                    } else {
-                        x = this.maxBoundaryX;
-                    }
-                } else if (this.options.shrink == 'scale' && this.width != this.indicatorWidth) {
-                    this.width = this.indicatorWidth;
-                    this.indicatorStyle.width = this.width + 'px';
-                }
-
-                if (y < this.minBoundaryY) {
-                    if (this.options.shrink == 'scale') {
-                        this.height = Math.max(this.indicatorHeight + y * 3, 8);
-                        this.indicatorStyle.height = this.height + 'px';
-                    }
-                    y = this.minBoundaryY;
-                } else if (y > this.maxBoundaryY) {
-                    if (this.options.shrink == 'scale') {
-                        this.height = Math.max(this.indicatorHeight - (y - this.maxPosY) * 3, 8);
-                        this.indicatorStyle.height = this.height + 'px';
-                        y = this.maxPosY + this.indicatorHeight - this.height;
-                    } else {
-                        y = this.maxBoundaryY;
-                    }
-                } else if (this.options.shrink == 'scale' && this.height != this.indicatorHeight) {
-                    this.height = this.indicatorHeight;
-                    this.indicatorStyle.height = this.height + 'px';
-                }
-            }
-
-            this.x = x;
-            this.y = y;
-
-            if (this.scroller.options.useTransform) {
-                this.indicatorStyle[utils.style.transform] =
-                    'translate(' + x + 'px,' + y + 'px)' + this.scroller.translateZ;
-            } else {
-                this.indicatorStyle.left = x + 'px';
-                this.indicatorStyle.top = y + 'px';
-            }
-        },
-
-        _pos: function (x, y) {
-            if (x < 0) {
-                x = 0;
-            } else if (x > this.maxPosX) {
-                x = this.maxPosX;
-            }
-
-            if (y < 0) {
-                y = 0;
-            } else if (y > this.maxPosY) {
-                y = this.maxPosY;
-            }
-
-            x = this.options.listenX ? Math.round(x / this.sizeRatioX) : this.scroller.x;
-            y = this.options.listenY ? Math.round(y / this.sizeRatioY) : this.scroller.y;
-
-            this.scroller.scrollTo(x, y);
-        },
-
-        fade: function (val, hold) {
-            if (hold && !this.visible) {
-                return;
-            }
-
-            clearTimeout(this.fadeTimeout);
-            this.fadeTimeout = null;
-
-            var time = val ? 250 : 500;
-            var delay = val ? 0 : 300;
-
-            val = val ? '1' : '0';
-
-            this.wrapperStyle[utils.style.transitionDuration] = time + 'ms';
-
-            this.fadeTimeout = setTimeout(
-                function (val) {
-                    this.wrapperStyle.opacity = val;
-                    this.visible = +val;
-                }.bind(this, val),
-                delay
-            );
-        },
-    };
-
-    IScroll.utils = utils;
-
-    if (typeof module != 'undefined' && module.exports) {
-        module.exports = IScroll;
-    } else if (typeof define == 'function' && define.amd) {
-        define(function () {
-            return IScroll;
-        });
-    } else {
-        window.IScroll = IScroll;
-    }
-
-    window.FLIPBOOK = window.FLIPBOOK || {};
-    window.FLIPBOOK.IScroll = IScroll;
-
-    window.PointerEvent = undefined;
-
-    // var oldEPD = Event.prototype.preventDefault;
-    // Event.prototype.preventDefault = function() {
-    //     debugger;
-    //     oldEPD.call(this);
-    // };
-})(window, document, Math);