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- /*! iScroll v5.1.3 ~ (c) 2008-2014 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'],
- transform,
- i = 0,
- 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(9).toUpperCase() + pointerEvent.substr(10):
- pointerEvent;
- };
- me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) {
- var distance = current - start,
- speed = Math.abs(distance) / time,
- destination,
- 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)
- me.isBadAndroid = /Android /.test(window.navigator.appVersion) && !(/Chrome\/\d/.test(window.navigator.appVersion));
- me.extend(me.style = {}, {
- transform: _transform,
- transitionTimingFunction: _prefixStyle('transitionTimingFunction'),
- transitionDuration: _prefixStyle('transitionDuration'),
- transitionDelay: _prefixStyle('transitionDelay'),
- transformOrigin: _prefixStyle('transformOrigin')
- });
- 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,
- top = -el.offsetTop;
- // jshint -W084
- while (el = el.offsetParent) {
- left -= el.offsetLeft;
- top -= el.offsetTop;
- }
- // jshint +W084
- 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,
- 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,
- ev;
- if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) {
- ev = document.createEvent('MouseEvents');
- ev.initMouseEvent('click', true, true, e.view, 1,
- target.screenX, target.screenY, target.clientX, target.clientY,
- e.ctrlKey, e.altKey, e.shiftKey, e.metaKey,
- 0, null);
- ev._constructed = true;
- target.dispatchEvent(ev);
- }
- };
- 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 = {
- resizeScrollbars: true,
- mouseWheelSpeed: 20,
- snapThreshold: 0.334,
- // INSERT POINT: OPTIONS
- 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
- };
- 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';
- }
- if ( this.options.shrinkScrollbars == 'scale' ) {
- this.options.useTransition = false;
- }
- this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1;
- if ( this.options.probeType == 3 ) {
- this.options.useTransition = false; }
- // INSERT POINT: NORMALIZATION
- // Some defaults
- this.x = 0;
- this.y = 0;
- this.directionX = 0;
- this.directionY = 0;
- this._events = {};
- // INSERT POINT: DEFAULTS
- this._init();
- this.refresh();
- this.scrollTo(this.options.startX, this.options.startY);
- this.enable();
- }
- IScroll.prototype = {
- version: '5.1.3',
- _init: function () {
- this._initEvents();
- 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);
- 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) {
- // React to left mouse button only
- if ( utils.eventType[e.type] != 1 ) {
- if ( e.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,
- 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._transitionTime();
- this.startTime = utils.getTime();
- if ( this.options.useTransition && this.isInTransition ) {
- 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;
- }
- if ( this.options.preventDefault ) { // increases performance on Android? TODO: check!
- e.preventDefault();
- }
- var point = e.touches ? e.touches[0] : e,
- deltaX = point.pageX - this.pointX,
- deltaY = point.pageY - this.pointY,
- timestamp = utils.getTime(),
- newX, newY,
- absDistX, 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;
- if ( this.options.probeType == 1 ) {
- this._execEvent('scroll');
- }
- }
- if ( this.options.probeType > 1 ) {
- this._execEvent('scroll');
- }
- /* REPLACE END: _move */
- },
- _end: function (e) {
- if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) {
- return;
- }
- if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) {
- e.preventDefault();
- }
- var point = e.changedTouches ? e.changedTouches[0] : e,
- momentumX,
- momentumY,
- duration = utils.getTime() - this.startTime,
- newX = Math.round(this.x),
- newY = Math.round(this.y),
- distanceX = Math.abs(newX - this.startX),
- distanceY = Math.abs(newY - this.startY),
- time = 0,
- 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);
- 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,
- y = this.y;
- time = time || 0;
- if ( !this.hasHorizontalScroll || this.x > 0 ) {
- x = 0;
- } else if ( this.x < this.maxScrollX ) {
- x = this.maxScrollX;
- }
- if ( !this.hasVerticalScroll || this.y > 0 ) {
- y = 0;
- } 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;
- },
- refresh: function () {
- var rf = this.wrapper.offsetHeight; // Force reflow
- this.wrapperWidth = this.wrapper.clientWidth;
- this.wrapperHeight = this.wrapper.clientHeight;
- /* REPLACE START: refresh */
- this.scrollerWidth = this.scroller.offsetWidth;
- this.scrollerHeight = this.scroller.offsetHeight;
- 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;
- this.wrapperOffset = utils.offset(this.wrapper);
- 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,
- 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);
- },
- scrollTo: function (x, y, time, easing) {
- easing = easing || utils.ease.circular;
- this.isInTransition = this.options.useTransition && time > 0;
- if ( !time || (this.options.useTransition && easing.style) ) {
- 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
- if ( offsetX === true ) {
- offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2);
- }
- if ( offsetY === true ) {
- offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 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) {
- time = time || 0;
- this.scrollerStyle[utils.style.transitionDuration] = time + 'ms';
- if ( !time && utils.isBadAndroid ) {
- this.scrollerStyle[utils.style.transitionDuration] = '0.001s';
- }
- 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)' + 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,
- 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),
- x, 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,
- customStyle = typeof this.options.scrollbars != 'string',
- indicators = [],
- 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) {
- 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;
- });
- },
- _initWheel: function () {
- utils.addEvent(this.wrapper, 'wheel', this);
- utils.addEvent(this.wrapper, 'mousewheel', this);
- utils.addEvent(this.wrapper, 'DOMMouseScroll', this);
- this.on('destroy', function () {
- 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;
- }
- e.preventDefault();
- e.stopPropagation();
- var wheelDeltaX, wheelDeltaY,
- newX, newY,
- that = this;
- if ( this.wheelTimeout === undefined ) {
- that._execEvent('scrollStart');
- }
- // Execute the scrollEnd event after 400ms the wheel stopped scrolling
- clearTimeout(this.wheelTimeout);
- this.wheelTimeout = setTimeout(function () {
- that._execEvent('scrollEnd');
- that.wheelTimeout = undefined;
- }, 400);
- 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);
- 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;
- }
- this.scrollTo(newX, newY, 0);
- if ( this.options.probeType > 1 ) {
- this._execEvent('scroll');
- }
- // 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, l,
- m = 0, n,
- cx, cy,
- x = 0, y,
- stepX = this.options.snapStepX || this.wrapperWidth,
- stepY = this.options.snapStepY || this.wrapperHeight,
- el;
- 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++ ) {
- if ( i === 0 || el[i].offsetLeft <= el[i-1].offsetLeft ) {
- m = 0;
- n++;
- }
- if ( !this.pages[m] ) {
- this.pages[m] = [];
- }
- x = Math.max(-el[i].offsetLeft, this.maxScrollX);
- y = Math.max(-el[i].offsetTop, this.maxScrollY);
- cx = x - Math.round(el[i].offsetWidth / 2);
- cy = y - Math.round(el[i].offsetHeight / 2);
- this.pages[m][n] = {
- x: x,
- y: y,
- width: el[i].offsetWidth,
- height: el[i].offsetHeight,
- 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,
- l = this.pages.length,
- 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,
- 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,
- 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,
- 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
- newX = snap ? this.currentPage.pageX : this.x,
- newY = snap ? this.currentPage.pageY : this.y,
- now = utils.getTime(),
- prevTime = this.keyTime || 0,
- acceleration = 0.250,
- 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,
- startX = this.x,
- startY = this.y,
- startTime = utils.getTime(),
- destTime = startTime + duration;
- function step () {
- var now = utils.getTime(),
- newX, newY,
- 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);
- }
- if ( that.options.probeType == 3 ) {
- that._execEvent('scroll');
- }
- }
- this.isAnimating = true;
- step();
- },
- 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;
- 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':
- this._wheel(e);
- break;
- case 'keydown':
- this._key(e);
- break;
- case 'click':
- if ( !e._constructed ) {
- e.preventDefault();
- e.stopPropagation();
- }
- break;
- }
- }
- };
- function createDefaultScrollbar (direction, interactive, type) {
- var scrollbar = document.createElement('div'),
- 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;
- this.wrapperStyle[utils.style.transitionDuration] = utils.isBadAndroid ? '0.001s' : '0ms';
- 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.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.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,
- deltaX, deltaY,
- newX, newY,
- 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);
- if ( this.scroller.options.probeType == 1 && timestamp - this.startTime > 300 ) {
- this.startTime = timestamp;
- this.scroller._execEvent('scroll');
- } else if ( this.scroller.options.probeType > 1 ) {
- this.scroller._execEvent('scroll');
- }
- // 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;
- this.indicatorStyle[utils.style.transitionDuration] = time + 'ms';
- if ( !time && utils.isBadAndroid ) {
- this.indicatorStyle[utils.style.transitionDuration] = '0.001s';
- }
- },
- 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';
- }
- }
- }
- var r = this.wrapper.offsetHeight; // 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,
- 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,
- 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 {
- window.IScroll = IScroll;
- }
- })(window, document, Math);
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