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+/*! iScroll v5.1.3 ~ (c) 2008-2016 Matteo Spinelli ~ http://cubiq.org/license */
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+(function (window, document, Math) {
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+var rAF = window.requestAnimationFrame ||
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+ window.webkitRequestAnimationFrame ||
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+ window.mozRequestAnimationFrame ||
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+ window.oRequestAnimationFrame ||
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+ window.msRequestAnimationFrame ||
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+ function (callback) { window.setTimeout(callback, 1000 / 60); };
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+
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+var utils = (function () {
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+ var me = {};
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+
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+ var _elementStyle = document.createElement('div').style;
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+ var _vendor = (function () {
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+ var vendors = ['t', 'webkitT', 'MozT', 'msT', 'OT'],
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+ transform,
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+ i = 0,
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+ l = vendors.length;
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+
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+ for ( ; i < l; i++ ) {
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+ transform = vendors[i] + 'ransform';
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+ if ( transform in _elementStyle ) return vendors[i].substr(0, vendors[i].length-1);
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+ }
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+
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+ return false;
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+ })();
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+
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+ function _prefixStyle (style) {
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+ if ( _vendor === false ) return false;
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+ if ( _vendor === '' ) return style;
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+ return _vendor + style.charAt(0).toUpperCase() + style.substr(1);
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+ }
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+
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+ me.getTime = Date.now || function getTime () { return new Date().getTime(); };
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+
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+ me.extend = function (target, obj) {
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+ for ( var i in obj ) {
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+ target[i] = obj[i];
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+ }
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+ };
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+
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+ me.addEvent = function (el, type, fn, capture) {
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+ el.addEventListener(type, fn, !!capture);
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+ };
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+
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+ me.removeEvent = function (el, type, fn, capture) {
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+ el.removeEventListener(type, fn, !!capture);
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+ };
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+
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+ me.prefixPointerEvent = function (pointerEvent) {
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+ return window.MSPointerEvent ?
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+ 'MSPointer' + pointerEvent.charAt(7).toUpperCase() + pointerEvent.substr(8):
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+ pointerEvent;
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+ };
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+
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+ me.momentum = function (current, start, time, lowerMargin, wrapperSize, deceleration) {
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+ var distance = current - start,
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+ speed = Math.abs(distance) / time,
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+ destination,
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+ duration;
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+
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+ deceleration = deceleration === undefined ? 0.0006 : deceleration;
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+
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+ destination = current + ( speed * speed ) / ( 2 * deceleration ) * ( distance < 0 ? -1 : 1 );
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+ duration = speed / deceleration;
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+
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+ if ( destination < lowerMargin ) {
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+ destination = wrapperSize ? lowerMargin - ( wrapperSize / 2.5 * ( speed / 8 ) ) : lowerMargin;
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+ distance = Math.abs(destination - current);
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+ duration = distance / speed;
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+ } else if ( destination > 0 ) {
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+ destination = wrapperSize ? wrapperSize / 2.5 * ( speed / 8 ) : 0;
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+ distance = Math.abs(current) + destination;
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+ duration = distance / speed;
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+ }
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+
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+ return {
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+ destination: Math.round(destination),
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+ duration: duration
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+ };
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+ };
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+
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+ var _transform = _prefixStyle('transform');
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+
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+ me.extend(me, {
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+ hasTransform: _transform !== false,
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+ hasPerspective: _prefixStyle('perspective') in _elementStyle,
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+ hasTouch: 'ontouchstart' in window,
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+ hasPointer: !!(window.PointerEvent || window.MSPointerEvent), // IE10 is prefixed
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+ hasTransition: _prefixStyle('transition') in _elementStyle
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+ });
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+
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+ /*
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+ This should find all Android browsers lower than build 535.19 (both stock browser and webview)
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+ - galaxy S2 is ok
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+ - 2.3.6 : `AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1`
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+ - 4.0.4 : `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
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+ - galaxy S3 is badAndroid (stock brower, webview)
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+ `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
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+ - galaxy S4 is badAndroid (stock brower, webview)
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+ `AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30`
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+ - galaxy S5 is OK
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+ `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
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+ - galaxy S6 is OK
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+ `AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Mobile Safari/537.36 (Chrome/)`
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+ */
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+ me.isBadAndroid = (function() {
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+ var appVersion = window.navigator.appVersion;
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+ // Android browser is not a chrome browser.
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+ if (/Android/.test(appVersion) && !(/Chrome\/\d/.test(appVersion))) {
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+ var safariVersion = appVersion.match(/Safari\/(\d+.\d)/);
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+ if(safariVersion && typeof safariVersion === "object" && safariVersion.length >= 2) {
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+ return parseFloat(safariVersion[1]) < 535.19;
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+ } else {
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+ return true;
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+ }
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+ } else {
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+ return false;
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+ }
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+ })();
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+
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+ me.extend(me.style = {}, {
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+ transform: _transform,
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+ transitionTimingFunction: _prefixStyle('transitionTimingFunction'),
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+ transitionDuration: _prefixStyle('transitionDuration'),
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+ transitionDelay: _prefixStyle('transitionDelay'),
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+ transformOrigin: _prefixStyle('transformOrigin')
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+ });
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+
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+ me.hasClass = function (e, c) {
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+ var re = new RegExp("(^|\\s)" + c + "(\\s|$)");
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+ return re.test(e.className);
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+ };
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+
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+ me.addClass = function (e, c) {
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+ if ( me.hasClass(e, c) ) {
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+ return;
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+ }
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+
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+ var newclass = e.className.split(' ');
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+ newclass.push(c);
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+ e.className = newclass.join(' ');
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+ };
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+
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+ me.removeClass = function (e, c) {
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+ if ( !me.hasClass(e, c) ) {
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+ return;
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+ }
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+
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+ var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g');
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+ e.className = e.className.replace(re, ' ');
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+ };
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+
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+ me.offset = function (el) {
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+ var left = -el.offsetLeft,
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+ top = -el.offsetTop;
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+
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+ // jshint -W084
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+ while (el = el.offsetParent) {
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+ left -= el.offsetLeft;
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+ top -= el.offsetTop;
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+ }
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+ // jshint +W084
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+
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+ return {
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+ left: left,
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+ top: top
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+ };
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+ };
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+
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+ me.preventDefaultException = function (el, exceptions) {
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+ for ( var i in exceptions ) {
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+ if ( exceptions[i].test(el[i]) ) {
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+ return true;
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+ }
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+ }
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+
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+ return false;
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+ };
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+
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+ me.extend(me.eventType = {}, {
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+ touchstart: 1,
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+ touchmove: 1,
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+ touchend: 1,
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+
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+ mousedown: 2,
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+ mousemove: 2,
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+ mouseup: 2,
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+
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+ pointerdown: 3,
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+ pointermove: 3,
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+ pointerup: 3,
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+
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+ MSPointerDown: 3,
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+ MSPointerMove: 3,
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+ MSPointerUp: 3
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+ });
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+
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+ me.extend(me.ease = {}, {
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+ quadratic: {
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+ style: 'cubic-bezier(0.25, 0.46, 0.45, 0.94)',
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+ fn: function (k) {
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+ return k * ( 2 - k );
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+ }
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+ },
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+ circular: {
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+ 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)
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+ fn: function (k) {
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+ return Math.sqrt( 1 - ( --k * k ) );
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+ }
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+ },
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+ back: {
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+ style: 'cubic-bezier(0.175, 0.885, 0.32, 1.275)',
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+ fn: function (k) {
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+ var b = 4;
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+ return ( k = k - 1 ) * k * ( ( b + 1 ) * k + b ) + 1;
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+ }
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+ },
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+ bounce: {
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+ style: '',
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+ fn: function (k) {
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+ if ( ( k /= 1 ) < ( 1 / 2.75 ) ) {
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+ return 7.5625 * k * k;
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+ } else if ( k < ( 2 / 2.75 ) ) {
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+ return 7.5625 * ( k -= ( 1.5 / 2.75 ) ) * k + 0.75;
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+ } else if ( k < ( 2.5 / 2.75 ) ) {
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+ return 7.5625 * ( k -= ( 2.25 / 2.75 ) ) * k + 0.9375;
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+ } else {
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+ return 7.5625 * ( k -= ( 2.625 / 2.75 ) ) * k + 0.984375;
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+ }
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+ }
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+ },
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+ elastic: {
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+ style: '',
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+ fn: function (k) {
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+ var f = 0.22,
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+ e = 0.4;
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+
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+ if ( k === 0 ) { return 0; }
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+ if ( k == 1 ) { return 1; }
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+
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+ return ( e * Math.pow( 2, - 10 * k ) * Math.sin( ( k - f / 4 ) * ( 2 * Math.PI ) / f ) + 1 );
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+ }
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+ }
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+ });
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+
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+ me.tap = function (e, eventName) {
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+ var ev = document.createEvent('Event');
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+ ev.initEvent(eventName, true, true);
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+ ev.pageX = e.pageX;
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+ ev.pageY = e.pageY;
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+ e.target.dispatchEvent(ev);
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+ };
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+
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+ me.click = function (e) {
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+ var target = e.target,
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+ ev;
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+
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+ if ( !(/(SELECT|INPUT|TEXTAREA)/i).test(target.tagName) ) {
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+ ev = document.createEvent('MouseEvents');
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+ ev.initMouseEvent('click', true, true, e.view, 1,
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+ target.screenX, target.screenY, target.clientX, target.clientY,
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+ e.ctrlKey, e.altKey, e.shiftKey, e.metaKey,
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+ 0, null);
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+
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+ ev._constructed = true;
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+ target.dispatchEvent(ev);
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+ }
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+ };
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+
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+ return me;
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+})();
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+function IScroll (el, options) {
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+ this.wrapper = typeof el == 'string' ? document.querySelector(el) : el;
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+ this.scroller = this.wrapper.children[0];
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+ this.scrollerStyle = this.scroller.style; // cache style for better performance
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+
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+ this.options = {
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+
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+ resizeScrollbars: true,
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+
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+ mouseWheelSpeed: 20,
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+
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+ snapThreshold: 0.334,
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+
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+// INSERT POINT: OPTIONS
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+ disablePointer : !utils.hasPointer,
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+ disableTouch : utils.hasPointer || !utils.hasTouch,
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+ disableMouse : utils.hasPointer || utils.hasTouch,
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+ startX: 0,
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+ startY: 0,
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+ scrollY: true,
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+ directionLockThreshold: 5,
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+ momentum: true,
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+
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+ bounce: true,
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+ bounceTime: 600,
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+ bounceEasing: '',
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+
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+ preventDefault: true,
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+ preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ },
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+
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+ HWCompositing: true,
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+ useTransition: true,
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+ useTransform: true,
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+ bindToWrapper: typeof window.onmousedown === "undefined"
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+ };
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+
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+ for ( var i in options ) {
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+ this.options[i] = options[i];
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+ }
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+
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+ // Normalize options
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+ this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : '';
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+
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+ this.options.useTransition = utils.hasTransition && this.options.useTransition;
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+ this.options.useTransform = utils.hasTransform && this.options.useTransform;
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+
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+ this.options.eventPassthrough = this.options.eventPassthrough === true ? 'vertical' : this.options.eventPassthrough;
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+ this.options.preventDefault = !this.options.eventPassthrough && this.options.preventDefault;
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+
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+ // If you want eventPassthrough I have to lock one of the axes
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+ this.options.scrollY = this.options.eventPassthrough == 'vertical' ? false : this.options.scrollY;
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+ this.options.scrollX = this.options.eventPassthrough == 'horizontal' ? false : this.options.scrollX;
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+
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+ // With eventPassthrough we also need lockDirection mechanism
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+ this.options.freeScroll = this.options.freeScroll && !this.options.eventPassthrough;
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+ this.options.directionLockThreshold = this.options.eventPassthrough ? 0 : this.options.directionLockThreshold;
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+
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+ this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
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+
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+ this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling;
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+
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+ if ( this.options.tap === true ) {
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+ this.options.tap = 'tap';
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+ }
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+
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+ if ( this.options.shrinkScrollbars == 'scale' ) {
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+ this.options.useTransition = false;
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+ }
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+
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+ this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1;
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+
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+// INSERT POINT: NORMALIZATION
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+
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+ // Some defaults
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+ this.x = 0;
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+ this.y = 0;
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+ this.directionX = 0;
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+ this.directionY = 0;
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+ this._events = {};
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+
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+// INSERT POINT: DEFAULTS
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+
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+ this._init();
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+ this.refresh();
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+
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+ this.scrollTo(this.options.startX, this.options.startY);
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+ this.enable();
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+}
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+
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+IScroll.prototype = {
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+ version: '5.1.3',
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+
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+ _init: function () {
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+ this._initEvents();
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+
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+ if ( this.options.scrollbars || this.options.indicators ) {
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+ this._initIndicators();
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+ }
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+
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+ if ( this.options.mouseWheel ) {
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+ this._initWheel();
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+ }
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+
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+ if ( this.options.snap ) {
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+ this._initSnap();
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+ }
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+
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+ if ( this.options.keyBindings ) {
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+ this._initKeys();
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+ }
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+
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+// INSERT POINT: _init
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+
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+ },
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+
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+ destroy: function () {
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+ this._initEvents(true);
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+ clearTimeout(this.resizeTimeout);
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+ this.resizeTimeout = null;
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+ this._execEvent('destroy');
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+ },
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+
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+ _transitionEnd: function (e) {
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+ if ( e.target != this.scroller || !this.isInTransition ) {
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+ return;
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+ }
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+
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+ this._transitionTime();
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+ if ( !this.resetPosition(this.options.bounceTime) ) {
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+ this.isInTransition = false;
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+ this._execEvent('scrollEnd');
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+ }
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+ },
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+
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+ _start: function (e) {
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+ // React to left mouse button only
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+ if ( utils.eventType[e.type] != 1 ) {
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+ if ( e.button !== 0 ) {
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|
+ 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.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;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+/* 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;
|
|
|
+ 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
|
|
|
+ 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;
|
|
|
+
|
|
|
+ var durationProp = utils.style.transitionDuration;
|
|
|
+ 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)' + 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 () {
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ e.preventDefault();
|
|
|
+
|
|
|
+ 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);
|
|
|
+
|
|
|
+ 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;
|
|
|
+ }
|
|
|
+
|
|
|
+ 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, 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);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ 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;
|
|
|
+ var durationProp = utils.style.transitionDuration;
|
|
|
+ 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.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);
|
|
|
+
|
|
|
+// 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;
|
|
|
+ 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';
|
|
|
+ }
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ 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 if ( typeof define == 'function' && define.amd ) {
|
|
|
+ define( function () { return IScroll; } );
|
|
|
+} else {
|
|
|
+ window.IScroll = IScroll;
|
|
|
+}
|
|
|
+
|
|
|
+})(window, document, Math);
|
张金坤
