| 20685 |
amit.gupta |
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/*! iScroll v5.1.3 ~ (c) 2008-2014 Matteo Spinelli ~ http://cubiq.org/license */
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naman |
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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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var utils = (function () {
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var me = {};
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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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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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return false;
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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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me.getTime = Date.now || function getTime () { return new Date().getTime(); };
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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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me.addEvent = function (el, type, fn, capture) {
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el.addEventListener(type, fn, !!capture);
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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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me.prefixPointerEvent = function (pointerEvent) {
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return window.MSPointerEvent ?
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'MSPointer' + pointerEvent.charAt(9).toUpperCase() + pointerEvent.substr(10):
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pointerEvent;
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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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deceleration = deceleration === undefined ? 0.0006 : deceleration;
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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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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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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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var _transform = _prefixStyle('transform');
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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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// This should find all Android browsers lower than build 535.19 (both stock browser and webview)
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me.isBadAndroid = /Android /.test(window.navigator.appVersion) && !(/Chrome\/\d/.test(window.navigator.appVersion));
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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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me.hasClass = function (e, c) {
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var re = new RegExp("(^|\\s)" + c + "(\\s|$)");
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return re.test(e.className);
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};
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me.addClass = function (e, c) {
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if ( me.hasClass(e, c) ) {
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return;
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}
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var newclass = e.className.split(' ');
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newclass.push(c);
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e.className = newclass.join(' ');
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};
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me.removeClass = function (e, c) {
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if ( !me.hasClass(e, c) ) {
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return;
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}
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var re = new RegExp("(^|\\s)" + c + "(\\s|$)", 'g');
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e.className = e.className.replace(re, ' ');
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};
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me.offset = function (el) {
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var left = -el.offsetLeft,
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top = -el.offsetTop;
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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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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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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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return false;
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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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mousedown: 2,
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mousemove: 2,
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mouseup: 2,
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pointerdown: 3,
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pointermove: 3,
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pointerup: 3,
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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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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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if ( k === 0 ) { return 0; }
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if ( k == 1 ) { return 1; }
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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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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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me.click = function (e) {
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var target = e.target,
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ev;
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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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ev._constructed = true;
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target.dispatchEvent(ev);
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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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this.options = {
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resizeScrollbars: true,
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mouseWheelSpeed: 20,
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snapThreshold: 0.334,
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// INSERT POINT: OPTIONS
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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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bounce: true,
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bounceTime: 600,
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bounceEasing: '',
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preventDefault: true,
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preventDefaultException: { tagName: /^(INPUT|TEXTAREA|BUTTON|SELECT)$/ },
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HWCompositing: true,
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useTransition: true,
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useTransform: true
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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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// Normalize options
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this.translateZ = this.options.HWCompositing && utils.hasPerspective ? ' translateZ(0)' : '';
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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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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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// 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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// 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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this.options.bounceEasing = typeof this.options.bounceEasing == 'string' ? utils.ease[this.options.bounceEasing] || utils.ease.circular : this.options.bounceEasing;
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this.options.resizePolling = this.options.resizePolling === undefined ? 60 : this.options.resizePolling;
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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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if ( this.options.shrinkScrollbars == 'scale' ) {
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this.options.useTransition = false;
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}
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this.options.invertWheelDirection = this.options.invertWheelDirection ? -1 : 1;
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// INSERT POINT: NORMALIZATION
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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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// INSERT POINT: DEFAULTS
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this._init();
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this.refresh();
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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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IScroll.prototype = {
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version: '5.1.3',
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naman |
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_init: function () {
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this._initEvents();
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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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if ( this.options.mouseWheel ) {
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this._initWheel();
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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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if ( this.options.keyBindings ) {
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this._initKeys();
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}
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// INSERT POINT: _init
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},
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destroy: function () {
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this._initEvents(true);
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| 20685 |
amit.gupta |
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naman |
363 |
this._execEvent('destroy');
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},
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|
365 |
|
|
|
366 |
_transitionEnd: function (e) {
|
|
|
367 |
if ( e.target != this.scroller || !this.isInTransition ) {
|
|
|
368 |
return;
|
|
|
369 |
}
|
|
|
370 |
|
|
|
371 |
this._transitionTime();
|
|
|
372 |
if ( !this.resetPosition(this.options.bounceTime) ) {
|
|
|
373 |
this.isInTransition = false;
|
|
|
374 |
this._execEvent('scrollEnd');
|
|
|
375 |
}
|
|
|
376 |
},
|
|
|
377 |
|
|
|
378 |
_start: function (e) {
|
|
|
379 |
// React to left mouse button only
|
|
|
380 |
if ( utils.eventType[e.type] != 1 ) {
|
| 20685 |
amit.gupta |
381 |
if ( e.button !== 0 ) {
|
| 18213 |
naman |
382 |
return;
|
|
|
383 |
}
|
|
|
384 |
}
|
|
|
385 |
|
|
|
386 |
if ( !this.enabled || (this.initiated && utils.eventType[e.type] !== this.initiated) ) {
|
|
|
387 |
return;
|
|
|
388 |
}
|
|
|
389 |
|
|
|
390 |
if ( this.options.preventDefault && !utils.isBadAndroid && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) {
|
|
|
391 |
e.preventDefault();
|
|
|
392 |
}
|
|
|
393 |
|
|
|
394 |
var point = e.touches ? e.touches[0] : e,
|
|
|
395 |
pos;
|
|
|
396 |
|
|
|
397 |
this.initiated = utils.eventType[e.type];
|
|
|
398 |
this.moved = false;
|
|
|
399 |
this.distX = 0;
|
|
|
400 |
this.distY = 0;
|
|
|
401 |
this.directionX = 0;
|
|
|
402 |
this.directionY = 0;
|
|
|
403 |
this.directionLocked = 0;
|
|
|
404 |
|
| 20685 |
amit.gupta |
405 |
this._transitionTime();
|
|
|
406 |
|
| 18213 |
naman |
407 |
this.startTime = utils.getTime();
|
|
|
408 |
|
|
|
409 |
if ( this.options.useTransition && this.isInTransition ) {
|
|
|
410 |
this.isInTransition = false;
|
|
|
411 |
pos = this.getComputedPosition();
|
|
|
412 |
this._translate(Math.round(pos.x), Math.round(pos.y));
|
|
|
413 |
this._execEvent('scrollEnd');
|
|
|
414 |
} else if ( !this.options.useTransition && this.isAnimating ) {
|
|
|
415 |
this.isAnimating = false;
|
|
|
416 |
this._execEvent('scrollEnd');
|
|
|
417 |
}
|
|
|
418 |
|
|
|
419 |
this.startX = this.x;
|
|
|
420 |
this.startY = this.y;
|
|
|
421 |
this.absStartX = this.x;
|
|
|
422 |
this.absStartY = this.y;
|
|
|
423 |
this.pointX = point.pageX;
|
|
|
424 |
this.pointY = point.pageY;
|
|
|
425 |
|
|
|
426 |
this._execEvent('beforeScrollStart');
|
|
|
427 |
},
|
|
|
428 |
|
|
|
429 |
_move: function (e) {
|
|
|
430 |
if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) {
|
|
|
431 |
return;
|
|
|
432 |
}
|
|
|
433 |
|
|
|
434 |
if ( this.options.preventDefault ) { // increases performance on Android? TODO: check!
|
|
|
435 |
e.preventDefault();
|
|
|
436 |
}
|
|
|
437 |
|
|
|
438 |
var point = e.touches ? e.touches[0] : e,
|
|
|
439 |
deltaX = point.pageX - this.pointX,
|
|
|
440 |
deltaY = point.pageY - this.pointY,
|
|
|
441 |
timestamp = utils.getTime(),
|
|
|
442 |
newX, newY,
|
|
|
443 |
absDistX, absDistY;
|
|
|
444 |
|
|
|
445 |
this.pointX = point.pageX;
|
|
|
446 |
this.pointY = point.pageY;
|
|
|
447 |
|
|
|
448 |
this.distX += deltaX;
|
|
|
449 |
this.distY += deltaY;
|
|
|
450 |
absDistX = Math.abs(this.distX);
|
|
|
451 |
absDistY = Math.abs(this.distY);
|
|
|
452 |
|
|
|
453 |
// We need to move at least 10 pixels for the scrolling to initiate
|
|
|
454 |
if ( timestamp - this.endTime > 300 && (absDistX < 10 && absDistY < 10) ) {
|
|
|
455 |
return;
|
|
|
456 |
}
|
|
|
457 |
|
|
|
458 |
// If you are scrolling in one direction lock the other
|
|
|
459 |
if ( !this.directionLocked && !this.options.freeScroll ) {
|
|
|
460 |
if ( absDistX > absDistY + this.options.directionLockThreshold ) {
|
|
|
461 |
this.directionLocked = 'h'; // lock horizontally
|
|
|
462 |
} else if ( absDistY >= absDistX + this.options.directionLockThreshold ) {
|
|
|
463 |
this.directionLocked = 'v'; // lock vertically
|
|
|
464 |
} else {
|
|
|
465 |
this.directionLocked = 'n'; // no lock
|
|
|
466 |
}
|
|
|
467 |
}
|
|
|
468 |
|
|
|
469 |
if ( this.directionLocked == 'h' ) {
|
|
|
470 |
if ( this.options.eventPassthrough == 'vertical' ) {
|
|
|
471 |
e.preventDefault();
|
|
|
472 |
} else if ( this.options.eventPassthrough == 'horizontal' ) {
|
|
|
473 |
this.initiated = false;
|
|
|
474 |
return;
|
|
|
475 |
}
|
|
|
476 |
|
|
|
477 |
deltaY = 0;
|
|
|
478 |
} else if ( this.directionLocked == 'v' ) {
|
|
|
479 |
if ( this.options.eventPassthrough == 'horizontal' ) {
|
|
|
480 |
e.preventDefault();
|
|
|
481 |
} else if ( this.options.eventPassthrough == 'vertical' ) {
|
|
|
482 |
this.initiated = false;
|
|
|
483 |
return;
|
|
|
484 |
}
|
|
|
485 |
|
|
|
486 |
deltaX = 0;
|
|
|
487 |
}
|
|
|
488 |
|
|
|
489 |
deltaX = this.hasHorizontalScroll ? deltaX : 0;
|
|
|
490 |
deltaY = this.hasVerticalScroll ? deltaY : 0;
|
|
|
491 |
|
|
|
492 |
newX = this.x + deltaX;
|
|
|
493 |
newY = this.y + deltaY;
|
|
|
494 |
|
|
|
495 |
// Slow down if outside of the boundaries
|
|
|
496 |
if ( newX > 0 || newX < this.maxScrollX ) {
|
|
|
497 |
newX = this.options.bounce ? this.x + deltaX / 3 : newX > 0 ? 0 : this.maxScrollX;
|
|
|
498 |
}
|
|
|
499 |
if ( newY > 0 || newY < this.maxScrollY ) {
|
|
|
500 |
newY = this.options.bounce ? this.y + deltaY / 3 : newY > 0 ? 0 : this.maxScrollY;
|
|
|
501 |
}
|
|
|
502 |
|
|
|
503 |
this.directionX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
|
|
|
504 |
this.directionY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;
|
|
|
505 |
|
|
|
506 |
if ( !this.moved ) {
|
|
|
507 |
this._execEvent('scrollStart');
|
|
|
508 |
}
|
|
|
509 |
|
|
|
510 |
this.moved = true;
|
|
|
511 |
|
|
|
512 |
this._translate(newX, newY);
|
|
|
513 |
|
|
|
514 |
/* REPLACE START: _move */
|
|
|
515 |
|
|
|
516 |
if ( timestamp - this.startTime > 300 ) {
|
|
|
517 |
this.startTime = timestamp;
|
|
|
518 |
this.startX = this.x;
|
|
|
519 |
this.startY = this.y;
|
|
|
520 |
}
|
|
|
521 |
|
|
|
522 |
/* REPLACE END: _move */
|
|
|
523 |
|
|
|
524 |
},
|
|
|
525 |
|
|
|
526 |
_end: function (e) {
|
|
|
527 |
if ( !this.enabled || utils.eventType[e.type] !== this.initiated ) {
|
|
|
528 |
return;
|
|
|
529 |
}
|
|
|
530 |
|
|
|
531 |
if ( this.options.preventDefault && !utils.preventDefaultException(e.target, this.options.preventDefaultException) ) {
|
|
|
532 |
e.preventDefault();
|
|
|
533 |
}
|
|
|
534 |
|
|
|
535 |
var point = e.changedTouches ? e.changedTouches[0] : e,
|
|
|
536 |
momentumX,
|
|
|
537 |
momentumY,
|
|
|
538 |
duration = utils.getTime() - this.startTime,
|
|
|
539 |
newX = Math.round(this.x),
|
|
|
540 |
newY = Math.round(this.y),
|
|
|
541 |
distanceX = Math.abs(newX - this.startX),
|
|
|
542 |
distanceY = Math.abs(newY - this.startY),
|
|
|
543 |
time = 0,
|
|
|
544 |
easing = '';
|
|
|
545 |
|
|
|
546 |
this.isInTransition = 0;
|
|
|
547 |
this.initiated = 0;
|
|
|
548 |
this.endTime = utils.getTime();
|
|
|
549 |
|
|
|
550 |
// reset if we are outside of the boundaries
|
|
|
551 |
if ( this.resetPosition(this.options.bounceTime) ) {
|
|
|
552 |
return;
|
|
|
553 |
}
|
|
|
554 |
|
|
|
555 |
this.scrollTo(newX, newY); // ensures that the last position is rounded
|
|
|
556 |
|
|
|
557 |
// we scrolled less than 10 pixels
|
|
|
558 |
if ( !this.moved ) {
|
|
|
559 |
if ( this.options.tap ) {
|
|
|
560 |
utils.tap(e, this.options.tap);
|
|
|
561 |
}
|
|
|
562 |
|
|
|
563 |
if ( this.options.click ) {
|
|
|
564 |
utils.click(e);
|
|
|
565 |
}
|
|
|
566 |
|
|
|
567 |
this._execEvent('scrollCancel');
|
|
|
568 |
return;
|
|
|
569 |
}
|
|
|
570 |
|
|
|
571 |
if ( this._events.flick && duration < 200 && distanceX < 100 && distanceY < 100 ) {
|
|
|
572 |
this._execEvent('flick');
|
|
|
573 |
return;
|
|
|
574 |
}
|
|
|
575 |
|
|
|
576 |
// start momentum animation if needed
|
|
|
577 |
if ( this.options.momentum && duration < 300 ) {
|
|
|
578 |
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 };
|
|
|
579 |
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 };
|
|
|
580 |
newX = momentumX.destination;
|
|
|
581 |
newY = momentumY.destination;
|
|
|
582 |
time = Math.max(momentumX.duration, momentumY.duration);
|
|
|
583 |
this.isInTransition = 1;
|
|
|
584 |
}
|
|
|
585 |
|
|
|
586 |
|
|
|
587 |
if ( this.options.snap ) {
|
|
|
588 |
var snap = this._nearestSnap(newX, newY);
|
|
|
589 |
this.currentPage = snap;
|
|
|
590 |
time = this.options.snapSpeed || Math.max(
|
|
|
591 |
Math.max(
|
|
|
592 |
Math.min(Math.abs(newX - snap.x), 1000),
|
|
|
593 |
Math.min(Math.abs(newY - snap.y), 1000)
|
|
|
594 |
), 300);
|
|
|
595 |
newX = snap.x;
|
|
|
596 |
newY = snap.y;
|
|
|
597 |
|
|
|
598 |
this.directionX = 0;
|
|
|
599 |
this.directionY = 0;
|
|
|
600 |
easing = this.options.bounceEasing;
|
|
|
601 |
}
|
|
|
602 |
|
|
|
603 |
// INSERT POINT: _end
|
|
|
604 |
|
|
|
605 |
if ( newX != this.x || newY != this.y ) {
|
|
|
606 |
// change easing function when scroller goes out of the boundaries
|
|
|
607 |
if ( newX > 0 || newX < this.maxScrollX || newY > 0 || newY < this.maxScrollY ) {
|
|
|
608 |
easing = utils.ease.quadratic;
|
|
|
609 |
}
|
|
|
610 |
|
|
|
611 |
this.scrollTo(newX, newY, time, easing);
|
|
|
612 |
return;
|
|
|
613 |
}
|
|
|
614 |
|
|
|
615 |
this._execEvent('scrollEnd');
|
|
|
616 |
},
|
|
|
617 |
|
|
|
618 |
_resize: function () {
|
|
|
619 |
var that = this;
|
|
|
620 |
|
|
|
621 |
clearTimeout(this.resizeTimeout);
|
|
|
622 |
|
|
|
623 |
this.resizeTimeout = setTimeout(function () {
|
|
|
624 |
that.refresh();
|
|
|
625 |
}, this.options.resizePolling);
|
|
|
626 |
},
|
|
|
627 |
|
|
|
628 |
resetPosition: function (time) {
|
|
|
629 |
var x = this.x,
|
|
|
630 |
y = this.y;
|
|
|
631 |
|
|
|
632 |
time = time || 0;
|
|
|
633 |
|
|
|
634 |
if ( !this.hasHorizontalScroll || this.x > 0 ) {
|
|
|
635 |
x = 0;
|
|
|
636 |
} else if ( this.x < this.maxScrollX ) {
|
|
|
637 |
x = this.maxScrollX;
|
|
|
638 |
}
|
|
|
639 |
|
|
|
640 |
if ( !this.hasVerticalScroll || this.y > 0 ) {
|
|
|
641 |
y = 0;
|
|
|
642 |
} else if ( this.y < this.maxScrollY ) {
|
|
|
643 |
y = this.maxScrollY;
|
|
|
644 |
}
|
|
|
645 |
|
|
|
646 |
if ( x == this.x && y == this.y ) {
|
|
|
647 |
return false;
|
|
|
648 |
}
|
|
|
649 |
|
|
|
650 |
this.scrollTo(x, y, time, this.options.bounceEasing);
|
|
|
651 |
|
|
|
652 |
return true;
|
|
|
653 |
},
|
|
|
654 |
|
|
|
655 |
disable: function () {
|
|
|
656 |
this.enabled = false;
|
|
|
657 |
},
|
|
|
658 |
|
|
|
659 |
enable: function () {
|
|
|
660 |
this.enabled = true;
|
|
|
661 |
},
|
|
|
662 |
|
|
|
663 |
refresh: function () {
|
| 20685 |
amit.gupta |
664 |
var rf = this.wrapper.offsetHeight; // Force reflow
|
| 18213 |
naman |
665 |
|
|
|
666 |
this.wrapperWidth = this.wrapper.clientWidth;
|
|
|
667 |
this.wrapperHeight = this.wrapper.clientHeight;
|
|
|
668 |
|
|
|
669 |
/* REPLACE START: refresh */
|
|
|
670 |
|
| 20685 |
amit.gupta |
671 |
this.scrollerWidth = this.scroller.offsetWidth;
|
|
|
672 |
this.scrollerHeight = this.scroller.offsetHeight;
|
| 18213 |
naman |
673 |
|
|
|
674 |
this.maxScrollX = this.wrapperWidth - this.scrollerWidth;
|
|
|
675 |
this.maxScrollY = this.wrapperHeight - this.scrollerHeight;
|
|
|
676 |
|
|
|
677 |
/* REPLACE END: refresh */
|
|
|
678 |
|
|
|
679 |
this.hasHorizontalScroll = this.options.scrollX && this.maxScrollX < 0;
|
|
|
680 |
this.hasVerticalScroll = this.options.scrollY && this.maxScrollY < 0;
|
| 20685 |
amit.gupta |
681 |
|
| 18213 |
naman |
682 |
if ( !this.hasHorizontalScroll ) {
|
|
|
683 |
this.maxScrollX = 0;
|
|
|
684 |
this.scrollerWidth = this.wrapperWidth;
|
|
|
685 |
}
|
|
|
686 |
|
|
|
687 |
if ( !this.hasVerticalScroll ) {
|
|
|
688 |
this.maxScrollY = 0;
|
|
|
689 |
this.scrollerHeight = this.wrapperHeight;
|
|
|
690 |
}
|
|
|
691 |
|
|
|
692 |
this.endTime = 0;
|
|
|
693 |
this.directionX = 0;
|
|
|
694 |
this.directionY = 0;
|
|
|
695 |
|
|
|
696 |
this.wrapperOffset = utils.offset(this.wrapper);
|
|
|
697 |
|
|
|
698 |
this._execEvent('refresh');
|
|
|
699 |
|
|
|
700 |
this.resetPosition();
|
|
|
701 |
|
|
|
702 |
// INSERT POINT: _refresh
|
|
|
703 |
|
| 20685 |
amit.gupta |
704 |
},
|
| 18213 |
naman |
705 |
|
|
|
706 |
on: function (type, fn) {
|
|
|
707 |
if ( !this._events[type] ) {
|
|
|
708 |
this._events[type] = [];
|
|
|
709 |
}
|
|
|
710 |
|
|
|
711 |
this._events[type].push(fn);
|
|
|
712 |
},
|
|
|
713 |
|
|
|
714 |
off: function (type, fn) {
|
|
|
715 |
if ( !this._events[type] ) {
|
|
|
716 |
return;
|
|
|
717 |
}
|
|
|
718 |
|
|
|
719 |
var index = this._events[type].indexOf(fn);
|
|
|
720 |
|
|
|
721 |
if ( index > -1 ) {
|
|
|
722 |
this._events[type].splice(index, 1);
|
|
|
723 |
}
|
|
|
724 |
},
|
|
|
725 |
|
|
|
726 |
_execEvent: function (type) {
|
|
|
727 |
if ( !this._events[type] ) {
|
|
|
728 |
return;
|
|
|
729 |
}
|
|
|
730 |
|
|
|
731 |
var i = 0,
|
|
|
732 |
l = this._events[type].length;
|
|
|
733 |
|
|
|
734 |
if ( !l ) {
|
|
|
735 |
return;
|
|
|
736 |
}
|
|
|
737 |
|
|
|
738 |
for ( ; i < l; i++ ) {
|
|
|
739 |
this._events[type][i].apply(this, [].slice.call(arguments, 1));
|
|
|
740 |
}
|
|
|
741 |
},
|
|
|
742 |
|
|
|
743 |
scrollBy: function (x, y, time, easing) {
|
|
|
744 |
x = this.x + x;
|
|
|
745 |
y = this.y + y;
|
|
|
746 |
time = time || 0;
|
|
|
747 |
|
|
|
748 |
this.scrollTo(x, y, time, easing);
|
|
|
749 |
},
|
|
|
750 |
|
|
|
751 |
scrollTo: function (x, y, time, easing) {
|
|
|
752 |
easing = easing || utils.ease.circular;
|
|
|
753 |
|
|
|
754 |
this.isInTransition = this.options.useTransition && time > 0;
|
| 20685 |
amit.gupta |
755 |
|
|
|
756 |
if ( !time || (this.options.useTransition && easing.style) ) {
|
|
|
757 |
this._transitionTimingFunction(easing.style);
|
|
|
758 |
this._transitionTime(time);
|
| 18213 |
naman |
759 |
this._translate(x, y);
|
|
|
760 |
} else {
|
|
|
761 |
this._animate(x, y, time, easing.fn);
|
|
|
762 |
}
|
|
|
763 |
},
|
|
|
764 |
|
|
|
765 |
scrollToElement: function (el, time, offsetX, offsetY, easing) {
|
|
|
766 |
el = el.nodeType ? el : this.scroller.querySelector(el);
|
|
|
767 |
|
|
|
768 |
if ( !el ) {
|
|
|
769 |
return;
|
|
|
770 |
}
|
|
|
771 |
|
|
|
772 |
var pos = utils.offset(el);
|
|
|
773 |
|
|
|
774 |
pos.left -= this.wrapperOffset.left;
|
|
|
775 |
pos.top -= this.wrapperOffset.top;
|
|
|
776 |
|
|
|
777 |
// if offsetX/Y are true we center the element to the screen
|
|
|
778 |
if ( offsetX === true ) {
|
| 20685 |
amit.gupta |
779 |
offsetX = Math.round(el.offsetWidth / 2 - this.wrapper.offsetWidth / 2);
|
| 18213 |
naman |
780 |
}
|
|
|
781 |
if ( offsetY === true ) {
|
| 20685 |
amit.gupta |
782 |
offsetY = Math.round(el.offsetHeight / 2 - this.wrapper.offsetHeight / 2);
|
| 18213 |
naman |
783 |
}
|
|
|
784 |
|
|
|
785 |
pos.left -= offsetX || 0;
|
|
|
786 |
pos.top -= offsetY || 0;
|
|
|
787 |
|
|
|
788 |
pos.left = pos.left > 0 ? 0 : pos.left < this.maxScrollX ? this.maxScrollX : pos.left;
|
|
|
789 |
pos.top = pos.top > 0 ? 0 : pos.top < this.maxScrollY ? this.maxScrollY : pos.top;
|
|
|
790 |
|
|
|
791 |
time = time === undefined || time === null || time === 'auto' ? Math.max(Math.abs(this.x-pos.left), Math.abs(this.y-pos.top)) : time;
|
|
|
792 |
|
|
|
793 |
this.scrollTo(pos.left, pos.top, time, easing);
|
|
|
794 |
},
|
|
|
795 |
|
|
|
796 |
_transitionTime: function (time) {
|
|
|
797 |
time = time || 0;
|
|
|
798 |
|
| 20685 |
amit.gupta |
799 |
this.scrollerStyle[utils.style.transitionDuration] = time + 'ms';
|
| 18213 |
naman |
800 |
|
|
|
801 |
if ( !time && utils.isBadAndroid ) {
|
| 20685 |
amit.gupta |
802 |
this.scrollerStyle[utils.style.transitionDuration] = '0.001s';
|
| 18213 |
naman |
803 |
}
|
|
|
804 |
|
|
|
805 |
|
|
|
806 |
if ( this.indicators ) {
|
|
|
807 |
for ( var i = this.indicators.length; i--; ) {
|
|
|
808 |
this.indicators[i].transitionTime(time);
|
|
|
809 |
}
|
|
|
810 |
}
|
|
|
811 |
|
|
|
812 |
|
|
|
813 |
// INSERT POINT: _transitionTime
|
|
|
814 |
|
|
|
815 |
},
|
|
|
816 |
|
|
|
817 |
_transitionTimingFunction: function (easing) {
|
|
|
818 |
this.scrollerStyle[utils.style.transitionTimingFunction] = easing;
|
|
|
819 |
|
|
|
820 |
|
|
|
821 |
if ( this.indicators ) {
|
|
|
822 |
for ( var i = this.indicators.length; i--; ) {
|
|
|
823 |
this.indicators[i].transitionTimingFunction(easing);
|
|
|
824 |
}
|
|
|
825 |
}
|
|
|
826 |
|
|
|
827 |
|
|
|
828 |
// INSERT POINT: _transitionTimingFunction
|
|
|
829 |
|
|
|
830 |
},
|
|
|
831 |
|
|
|
832 |
_translate: function (x, y) {
|
|
|
833 |
if ( this.options.useTransform ) {
|
|
|
834 |
|
|
|
835 |
/* REPLACE START: _translate */
|
|
|
836 |
|
|
|
837 |
this.scrollerStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.translateZ;
|
|
|
838 |
|
|
|
839 |
/* REPLACE END: _translate */
|
|
|
840 |
|
|
|
841 |
} else {
|
|
|
842 |
x = Math.round(x);
|
|
|
843 |
y = Math.round(y);
|
|
|
844 |
this.scrollerStyle.left = x + 'px';
|
|
|
845 |
this.scrollerStyle.top = y + 'px';
|
|
|
846 |
}
|
|
|
847 |
|
|
|
848 |
this.x = x;
|
|
|
849 |
this.y = y;
|
|
|
850 |
|
|
|
851 |
|
|
|
852 |
if ( this.indicators ) {
|
|
|
853 |
for ( var i = this.indicators.length; i--; ) {
|
|
|
854 |
this.indicators[i].updatePosition();
|
|
|
855 |
}
|
|
|
856 |
}
|
|
|
857 |
|
|
|
858 |
|
|
|
859 |
// INSERT POINT: _translate
|
|
|
860 |
|
|
|
861 |
},
|
|
|
862 |
|
|
|
863 |
_initEvents: function (remove) {
|
|
|
864 |
var eventType = remove ? utils.removeEvent : utils.addEvent,
|
|
|
865 |
target = this.options.bindToWrapper ? this.wrapper : window;
|
|
|
866 |
|
|
|
867 |
eventType(window, 'orientationchange', this);
|
|
|
868 |
eventType(window, 'resize', this);
|
|
|
869 |
|
|
|
870 |
if ( this.options.click ) {
|
|
|
871 |
eventType(this.wrapper, 'click', this, true);
|
|
|
872 |
}
|
|
|
873 |
|
|
|
874 |
if ( !this.options.disableMouse ) {
|
|
|
875 |
eventType(this.wrapper, 'mousedown', this);
|
|
|
876 |
eventType(target, 'mousemove', this);
|
|
|
877 |
eventType(target, 'mousecancel', this);
|
|
|
878 |
eventType(target, 'mouseup', this);
|
|
|
879 |
}
|
|
|
880 |
|
|
|
881 |
if ( utils.hasPointer && !this.options.disablePointer ) {
|
|
|
882 |
eventType(this.wrapper, utils.prefixPointerEvent('pointerdown'), this);
|
|
|
883 |
eventType(target, utils.prefixPointerEvent('pointermove'), this);
|
|
|
884 |
eventType(target, utils.prefixPointerEvent('pointercancel'), this);
|
|
|
885 |
eventType(target, utils.prefixPointerEvent('pointerup'), this);
|
|
|
886 |
}
|
|
|
887 |
|
|
|
888 |
if ( utils.hasTouch && !this.options.disableTouch ) {
|
|
|
889 |
eventType(this.wrapper, 'touchstart', this);
|
|
|
890 |
eventType(target, 'touchmove', this);
|
|
|
891 |
eventType(target, 'touchcancel', this);
|
|
|
892 |
eventType(target, 'touchend', this);
|
|
|
893 |
}
|
|
|
894 |
|
|
|
895 |
eventType(this.scroller, 'transitionend', this);
|
|
|
896 |
eventType(this.scroller, 'webkitTransitionEnd', this);
|
|
|
897 |
eventType(this.scroller, 'oTransitionEnd', this);
|
|
|
898 |
eventType(this.scroller, 'MSTransitionEnd', this);
|
|
|
899 |
},
|
|
|
900 |
|
|
|
901 |
getComputedPosition: function () {
|
|
|
902 |
var matrix = window.getComputedStyle(this.scroller, null),
|
|
|
903 |
x, y;
|
|
|
904 |
|
|
|
905 |
if ( this.options.useTransform ) {
|
|
|
906 |
matrix = matrix[utils.style.transform].split(')')[0].split(', ');
|
|
|
907 |
x = +(matrix[12] || matrix[4]);
|
|
|
908 |
y = +(matrix[13] || matrix[5]);
|
|
|
909 |
} else {
|
|
|
910 |
x = +matrix.left.replace(/[^-\d.]/g, '');
|
|
|
911 |
y = +matrix.top.replace(/[^-\d.]/g, '');
|
|
|
912 |
}
|
|
|
913 |
|
|
|
914 |
return { x: x, y: y };
|
|
|
915 |
},
|
| 20685 |
amit.gupta |
916 |
|
| 18213 |
naman |
917 |
_initIndicators: function () {
|
|
|
918 |
var interactive = this.options.interactiveScrollbars,
|
|
|
919 |
customStyle = typeof this.options.scrollbars != 'string',
|
|
|
920 |
indicators = [],
|
|
|
921 |
indicator;
|
|
|
922 |
|
|
|
923 |
var that = this;
|
|
|
924 |
|
|
|
925 |
this.indicators = [];
|
|
|
926 |
|
|
|
927 |
if ( this.options.scrollbars ) {
|
|
|
928 |
// Vertical scrollbar
|
|
|
929 |
if ( this.options.scrollY ) {
|
|
|
930 |
indicator = {
|
|
|
931 |
el: createDefaultScrollbar('v', interactive, this.options.scrollbars),
|
|
|
932 |
interactive: interactive,
|
|
|
933 |
defaultScrollbars: true,
|
|
|
934 |
customStyle: customStyle,
|
|
|
935 |
resize: this.options.resizeScrollbars,
|
|
|
936 |
shrink: this.options.shrinkScrollbars,
|
|
|
937 |
fade: this.options.fadeScrollbars,
|
|
|
938 |
listenX: false
|
|
|
939 |
};
|
|
|
940 |
|
|
|
941 |
this.wrapper.appendChild(indicator.el);
|
|
|
942 |
indicators.push(indicator);
|
|
|
943 |
}
|
|
|
944 |
|
|
|
945 |
// Horizontal scrollbar
|
|
|
946 |
if ( this.options.scrollX ) {
|
|
|
947 |
indicator = {
|
|
|
948 |
el: createDefaultScrollbar('h', interactive, this.options.scrollbars),
|
|
|
949 |
interactive: interactive,
|
|
|
950 |
defaultScrollbars: true,
|
|
|
951 |
customStyle: customStyle,
|
|
|
952 |
resize: this.options.resizeScrollbars,
|
|
|
953 |
shrink: this.options.shrinkScrollbars,
|
|
|
954 |
fade: this.options.fadeScrollbars,
|
|
|
955 |
listenY: false
|
|
|
956 |
};
|
|
|
957 |
|
|
|
958 |
this.wrapper.appendChild(indicator.el);
|
|
|
959 |
indicators.push(indicator);
|
|
|
960 |
}
|
|
|
961 |
}
|
|
|
962 |
|
|
|
963 |
if ( this.options.indicators ) {
|
|
|
964 |
// TODO: check concat compatibility
|
|
|
965 |
indicators = indicators.concat(this.options.indicators);
|
|
|
966 |
}
|
|
|
967 |
|
|
|
968 |
for ( var i = indicators.length; i--; ) {
|
|
|
969 |
this.indicators.push( new Indicator(this, indicators[i]) );
|
|
|
970 |
}
|
|
|
971 |
|
|
|
972 |
// TODO: check if we can use array.map (wide compatibility and performance issues)
|
|
|
973 |
function _indicatorsMap (fn) {
|
| 20685 |
amit.gupta |
974 |
for ( var i = that.indicators.length; i--; ) {
|
|
|
975 |
fn.call(that.indicators[i]);
|
| 18213 |
naman |
976 |
}
|
|
|
977 |
}
|
|
|
978 |
|
|
|
979 |
if ( this.options.fadeScrollbars ) {
|
|
|
980 |
this.on('scrollEnd', function () {
|
|
|
981 |
_indicatorsMap(function () {
|
|
|
982 |
this.fade();
|
|
|
983 |
});
|
|
|
984 |
});
|
|
|
985 |
|
|
|
986 |
this.on('scrollCancel', function () {
|
|
|
987 |
_indicatorsMap(function () {
|
|
|
988 |
this.fade();
|
|
|
989 |
});
|
|
|
990 |
});
|
|
|
991 |
|
|
|
992 |
this.on('scrollStart', function () {
|
|
|
993 |
_indicatorsMap(function () {
|
|
|
994 |
this.fade(1);
|
|
|
995 |
});
|
|
|
996 |
});
|
|
|
997 |
|
|
|
998 |
this.on('beforeScrollStart', function () {
|
|
|
999 |
_indicatorsMap(function () {
|
|
|
1000 |
this.fade(1, true);
|
|
|
1001 |
});
|
|
|
1002 |
});
|
|
|
1003 |
}
|
|
|
1004 |
|
|
|
1005 |
|
|
|
1006 |
this.on('refresh', function () {
|
|
|
1007 |
_indicatorsMap(function () {
|
|
|
1008 |
this.refresh();
|
|
|
1009 |
});
|
|
|
1010 |
});
|
|
|
1011 |
|
|
|
1012 |
this.on('destroy', function () {
|
|
|
1013 |
_indicatorsMap(function () {
|
|
|
1014 |
this.destroy();
|
|
|
1015 |
});
|
|
|
1016 |
|
|
|
1017 |
delete this.indicators;
|
|
|
1018 |
});
|
|
|
1019 |
},
|
|
|
1020 |
|
|
|
1021 |
_initWheel: function () {
|
|
|
1022 |
utils.addEvent(this.wrapper, 'wheel', this);
|
|
|
1023 |
utils.addEvent(this.wrapper, 'mousewheel', this);
|
|
|
1024 |
utils.addEvent(this.wrapper, 'DOMMouseScroll', this);
|
|
|
1025 |
|
|
|
1026 |
this.on('destroy', function () {
|
|
|
1027 |
utils.removeEvent(this.wrapper, 'wheel', this);
|
|
|
1028 |
utils.removeEvent(this.wrapper, 'mousewheel', this);
|
|
|
1029 |
utils.removeEvent(this.wrapper, 'DOMMouseScroll', this);
|
|
|
1030 |
});
|
|
|
1031 |
},
|
|
|
1032 |
|
|
|
1033 |
_wheel: function (e) {
|
|
|
1034 |
if ( !this.enabled ) {
|
|
|
1035 |
return;
|
|
|
1036 |
}
|
|
|
1037 |
|
|
|
1038 |
e.preventDefault();
|
| 20685 |
amit.gupta |
1039 |
e.stopPropagation();
|
| 18213 |
naman |
1040 |
|
|
|
1041 |
var wheelDeltaX, wheelDeltaY,
|
|
|
1042 |
newX, newY,
|
|
|
1043 |
that = this;
|
|
|
1044 |
|
|
|
1045 |
if ( this.wheelTimeout === undefined ) {
|
|
|
1046 |
that._execEvent('scrollStart');
|
|
|
1047 |
}
|
|
|
1048 |
|
|
|
1049 |
// Execute the scrollEnd event after 400ms the wheel stopped scrolling
|
|
|
1050 |
clearTimeout(this.wheelTimeout);
|
|
|
1051 |
this.wheelTimeout = setTimeout(function () {
|
| 20685 |
amit.gupta |
1052 |
that._execEvent('scrollEnd');
|
| 18213 |
naman |
1053 |
that.wheelTimeout = undefined;
|
|
|
1054 |
}, 400);
|
|
|
1055 |
|
|
|
1056 |
if ( 'deltaX' in e ) {
|
|
|
1057 |
if (e.deltaMode === 1) {
|
|
|
1058 |
wheelDeltaX = -e.deltaX * this.options.mouseWheelSpeed;
|
|
|
1059 |
wheelDeltaY = -e.deltaY * this.options.mouseWheelSpeed;
|
|
|
1060 |
} else {
|
|
|
1061 |
wheelDeltaX = -e.deltaX;
|
|
|
1062 |
wheelDeltaY = -e.deltaY;
|
|
|
1063 |
}
|
|
|
1064 |
} else if ( 'wheelDeltaX' in e ) {
|
|
|
1065 |
wheelDeltaX = e.wheelDeltaX / 120 * this.options.mouseWheelSpeed;
|
|
|
1066 |
wheelDeltaY = e.wheelDeltaY / 120 * this.options.mouseWheelSpeed;
|
|
|
1067 |
} else if ( 'wheelDelta' in e ) {
|
|
|
1068 |
wheelDeltaX = wheelDeltaY = e.wheelDelta / 120 * this.options.mouseWheelSpeed;
|
|
|
1069 |
} else if ( 'detail' in e ) {
|
|
|
1070 |
wheelDeltaX = wheelDeltaY = -e.detail / 3 * this.options.mouseWheelSpeed;
|
|
|
1071 |
} else {
|
|
|
1072 |
return;
|
|
|
1073 |
}
|
|
|
1074 |
|
|
|
1075 |
wheelDeltaX *= this.options.invertWheelDirection;
|
|
|
1076 |
wheelDeltaY *= this.options.invertWheelDirection;
|
|
|
1077 |
|
|
|
1078 |
if ( !this.hasVerticalScroll ) {
|
|
|
1079 |
wheelDeltaX = wheelDeltaY;
|
|
|
1080 |
wheelDeltaY = 0;
|
|
|
1081 |
}
|
|
|
1082 |
|
|
|
1083 |
if ( this.options.snap ) {
|
|
|
1084 |
newX = this.currentPage.pageX;
|
|
|
1085 |
newY = this.currentPage.pageY;
|
|
|
1086 |
|
|
|
1087 |
if ( wheelDeltaX > 0 ) {
|
|
|
1088 |
newX--;
|
|
|
1089 |
} else if ( wheelDeltaX < 0 ) {
|
|
|
1090 |
newX++;
|
|
|
1091 |
}
|
|
|
1092 |
|
|
|
1093 |
if ( wheelDeltaY > 0 ) {
|
|
|
1094 |
newY--;
|
|
|
1095 |
} else if ( wheelDeltaY < 0 ) {
|
|
|
1096 |
newY++;
|
|
|
1097 |
}
|
|
|
1098 |
|
|
|
1099 |
this.goToPage(newX, newY);
|
|
|
1100 |
|
|
|
1101 |
return;
|
|
|
1102 |
}
|
|
|
1103 |
|
|
|
1104 |
newX = this.x + Math.round(this.hasHorizontalScroll ? wheelDeltaX : 0);
|
|
|
1105 |
newY = this.y + Math.round(this.hasVerticalScroll ? wheelDeltaY : 0);
|
|
|
1106 |
|
|
|
1107 |
if ( newX > 0 ) {
|
|
|
1108 |
newX = 0;
|
|
|
1109 |
} else if ( newX < this.maxScrollX ) {
|
|
|
1110 |
newX = this.maxScrollX;
|
|
|
1111 |
}
|
|
|
1112 |
|
|
|
1113 |
if ( newY > 0 ) {
|
|
|
1114 |
newY = 0;
|
|
|
1115 |
} else if ( newY < this.maxScrollY ) {
|
|
|
1116 |
newY = this.maxScrollY;
|
|
|
1117 |
}
|
|
|
1118 |
|
|
|
1119 |
this.scrollTo(newX, newY, 0);
|
|
|
1120 |
|
|
|
1121 |
// INSERT POINT: _wheel
|
|
|
1122 |
},
|
|
|
1123 |
|
|
|
1124 |
_initSnap: function () {
|
|
|
1125 |
this.currentPage = {};
|
|
|
1126 |
|
|
|
1127 |
if ( typeof this.options.snap == 'string' ) {
|
|
|
1128 |
this.options.snap = this.scroller.querySelectorAll(this.options.snap);
|
|
|
1129 |
}
|
|
|
1130 |
|
|
|
1131 |
this.on('refresh', function () {
|
|
|
1132 |
var i = 0, l,
|
|
|
1133 |
m = 0, n,
|
|
|
1134 |
cx, cy,
|
|
|
1135 |
x = 0, y,
|
|
|
1136 |
stepX = this.options.snapStepX || this.wrapperWidth,
|
|
|
1137 |
stepY = this.options.snapStepY || this.wrapperHeight,
|
| 20685 |
amit.gupta |
1138 |
el;
|
| 18213 |
naman |
1139 |
|
|
|
1140 |
this.pages = [];
|
|
|
1141 |
|
|
|
1142 |
if ( !this.wrapperWidth || !this.wrapperHeight || !this.scrollerWidth || !this.scrollerHeight ) {
|
|
|
1143 |
return;
|
|
|
1144 |
}
|
|
|
1145 |
|
|
|
1146 |
if ( this.options.snap === true ) {
|
|
|
1147 |
cx = Math.round( stepX / 2 );
|
|
|
1148 |
cy = Math.round( stepY / 2 );
|
|
|
1149 |
|
|
|
1150 |
while ( x > -this.scrollerWidth ) {
|
|
|
1151 |
this.pages[i] = [];
|
|
|
1152 |
l = 0;
|
|
|
1153 |
y = 0;
|
|
|
1154 |
|
|
|
1155 |
while ( y > -this.scrollerHeight ) {
|
|
|
1156 |
this.pages[i][l] = {
|
|
|
1157 |
x: Math.max(x, this.maxScrollX),
|
|
|
1158 |
y: Math.max(y, this.maxScrollY),
|
|
|
1159 |
width: stepX,
|
|
|
1160 |
height: stepY,
|
|
|
1161 |
cx: x - cx,
|
|
|
1162 |
cy: y - cy
|
|
|
1163 |
};
|
|
|
1164 |
|
|
|
1165 |
y -= stepY;
|
|
|
1166 |
l++;
|
|
|
1167 |
}
|
|
|
1168 |
|
|
|
1169 |
x -= stepX;
|
|
|
1170 |
i++;
|
|
|
1171 |
}
|
|
|
1172 |
} else {
|
|
|
1173 |
el = this.options.snap;
|
|
|
1174 |
l = el.length;
|
|
|
1175 |
n = -1;
|
|
|
1176 |
|
|
|
1177 |
for ( ; i < l; i++ ) {
|
| 20685 |
amit.gupta |
1178 |
if ( i === 0 || el[i].offsetLeft <= el[i-1].offsetLeft ) {
|
| 18213 |
naman |
1179 |
m = 0;
|
|
|
1180 |
n++;
|
|
|
1181 |
}
|
|
|
1182 |
|
|
|
1183 |
if ( !this.pages[m] ) {
|
|
|
1184 |
this.pages[m] = [];
|
|
|
1185 |
}
|
|
|
1186 |
|
| 20685 |
amit.gupta |
1187 |
x = Math.max(-el[i].offsetLeft, this.maxScrollX);
|
|
|
1188 |
y = Math.max(-el[i].offsetTop, this.maxScrollY);
|
|
|
1189 |
cx = x - Math.round(el[i].offsetWidth / 2);
|
|
|
1190 |
cy = y - Math.round(el[i].offsetHeight / 2);
|
| 18213 |
naman |
1191 |
|
|
|
1192 |
this.pages[m][n] = {
|
|
|
1193 |
x: x,
|
|
|
1194 |
y: y,
|
| 20685 |
amit.gupta |
1195 |
width: el[i].offsetWidth,
|
|
|
1196 |
height: el[i].offsetHeight,
|
| 18213 |
naman |
1197 |
cx: cx,
|
|
|
1198 |
cy: cy
|
|
|
1199 |
};
|
|
|
1200 |
|
|
|
1201 |
if ( x > this.maxScrollX ) {
|
|
|
1202 |
m++;
|
|
|
1203 |
}
|
|
|
1204 |
}
|
|
|
1205 |
}
|
|
|
1206 |
|
|
|
1207 |
this.goToPage(this.currentPage.pageX || 0, this.currentPage.pageY || 0, 0);
|
|
|
1208 |
|
|
|
1209 |
// Update snap threshold if needed
|
|
|
1210 |
if ( this.options.snapThreshold % 1 === 0 ) {
|
|
|
1211 |
this.snapThresholdX = this.options.snapThreshold;
|
|
|
1212 |
this.snapThresholdY = this.options.snapThreshold;
|
|
|
1213 |
} else {
|
|
|
1214 |
this.snapThresholdX = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].width * this.options.snapThreshold);
|
|
|
1215 |
this.snapThresholdY = Math.round(this.pages[this.currentPage.pageX][this.currentPage.pageY].height * this.options.snapThreshold);
|
|
|
1216 |
}
|
|
|
1217 |
});
|
|
|
1218 |
|
|
|
1219 |
this.on('flick', function () {
|
|
|
1220 |
var time = this.options.snapSpeed || Math.max(
|
|
|
1221 |
Math.max(
|
|
|
1222 |
Math.min(Math.abs(this.x - this.startX), 1000),
|
|
|
1223 |
Math.min(Math.abs(this.y - this.startY), 1000)
|
|
|
1224 |
), 300);
|
|
|
1225 |
|
|
|
1226 |
this.goToPage(
|
|
|
1227 |
this.currentPage.pageX + this.directionX,
|
|
|
1228 |
this.currentPage.pageY + this.directionY,
|
|
|
1229 |
time
|
|
|
1230 |
);
|
|
|
1231 |
});
|
|
|
1232 |
},
|
|
|
1233 |
|
|
|
1234 |
_nearestSnap: function (x, y) {
|
|
|
1235 |
if ( !this.pages.length ) {
|
|
|
1236 |
return { x: 0, y: 0, pageX: 0, pageY: 0 };
|
|
|
1237 |
}
|
|
|
1238 |
|
|
|
1239 |
var i = 0,
|
|
|
1240 |
l = this.pages.length,
|
|
|
1241 |
m = 0;
|
|
|
1242 |
|
|
|
1243 |
// Check if we exceeded the snap threshold
|
|
|
1244 |
if ( Math.abs(x - this.absStartX) < this.snapThresholdX &&
|
|
|
1245 |
Math.abs(y - this.absStartY) < this.snapThresholdY ) {
|
|
|
1246 |
return this.currentPage;
|
|
|
1247 |
}
|
|
|
1248 |
|
|
|
1249 |
if ( x > 0 ) {
|
|
|
1250 |
x = 0;
|
|
|
1251 |
} else if ( x < this.maxScrollX ) {
|
|
|
1252 |
x = this.maxScrollX;
|
|
|
1253 |
}
|
|
|
1254 |
|
|
|
1255 |
if ( y > 0 ) {
|
|
|
1256 |
y = 0;
|
|
|
1257 |
} else if ( y < this.maxScrollY ) {
|
|
|
1258 |
y = this.maxScrollY;
|
|
|
1259 |
}
|
|
|
1260 |
|
|
|
1261 |
for ( ; i < l; i++ ) {
|
|
|
1262 |
if ( x >= this.pages[i][0].cx ) {
|
|
|
1263 |
x = this.pages[i][0].x;
|
|
|
1264 |
break;
|
|
|
1265 |
}
|
|
|
1266 |
}
|
|
|
1267 |
|
|
|
1268 |
l = this.pages[i].length;
|
|
|
1269 |
|
|
|
1270 |
for ( ; m < l; m++ ) {
|
|
|
1271 |
if ( y >= this.pages[0][m].cy ) {
|
|
|
1272 |
y = this.pages[0][m].y;
|
|
|
1273 |
break;
|
|
|
1274 |
}
|
|
|
1275 |
}
|
|
|
1276 |
|
|
|
1277 |
if ( i == this.currentPage.pageX ) {
|
|
|
1278 |
i += this.directionX;
|
|
|
1279 |
|
|
|
1280 |
if ( i < 0 ) {
|
|
|
1281 |
i = 0;
|
|
|
1282 |
} else if ( i >= this.pages.length ) {
|
|
|
1283 |
i = this.pages.length - 1;
|
|
|
1284 |
}
|
|
|
1285 |
|
|
|
1286 |
x = this.pages[i][0].x;
|
|
|
1287 |
}
|
|
|
1288 |
|
|
|
1289 |
if ( m == this.currentPage.pageY ) {
|
|
|
1290 |
m += this.directionY;
|
|
|
1291 |
|
|
|
1292 |
if ( m < 0 ) {
|
|
|
1293 |
m = 0;
|
|
|
1294 |
} else if ( m >= this.pages[0].length ) {
|
|
|
1295 |
m = this.pages[0].length - 1;
|
|
|
1296 |
}
|
|
|
1297 |
|
|
|
1298 |
y = this.pages[0][m].y;
|
|
|
1299 |
}
|
|
|
1300 |
|
|
|
1301 |
return {
|
|
|
1302 |
x: x,
|
|
|
1303 |
y: y,
|
|
|
1304 |
pageX: i,
|
|
|
1305 |
pageY: m
|
|
|
1306 |
};
|
|
|
1307 |
},
|
|
|
1308 |
|
|
|
1309 |
goToPage: function (x, y, time, easing) {
|
|
|
1310 |
easing = easing || this.options.bounceEasing;
|
|
|
1311 |
|
|
|
1312 |
if ( x >= this.pages.length ) {
|
|
|
1313 |
x = this.pages.length - 1;
|
|
|
1314 |
} else if ( x < 0 ) {
|
|
|
1315 |
x = 0;
|
|
|
1316 |
}
|
|
|
1317 |
|
|
|
1318 |
if ( y >= this.pages[x].length ) {
|
|
|
1319 |
y = this.pages[x].length - 1;
|
|
|
1320 |
} else if ( y < 0 ) {
|
|
|
1321 |
y = 0;
|
|
|
1322 |
}
|
|
|
1323 |
|
|
|
1324 |
var posX = this.pages[x][y].x,
|
|
|
1325 |
posY = this.pages[x][y].y;
|
|
|
1326 |
|
|
|
1327 |
time = time === undefined ? this.options.snapSpeed || Math.max(
|
|
|
1328 |
Math.max(
|
|
|
1329 |
Math.min(Math.abs(posX - this.x), 1000),
|
|
|
1330 |
Math.min(Math.abs(posY - this.y), 1000)
|
|
|
1331 |
), 300) : time;
|
|
|
1332 |
|
|
|
1333 |
this.currentPage = {
|
|
|
1334 |
x: posX,
|
|
|
1335 |
y: posY,
|
|
|
1336 |
pageX: x,
|
|
|
1337 |
pageY: y
|
|
|
1338 |
};
|
|
|
1339 |
|
|
|
1340 |
this.scrollTo(posX, posY, time, easing);
|
|
|
1341 |
},
|
|
|
1342 |
|
|
|
1343 |
next: function (time, easing) {
|
|
|
1344 |
var x = this.currentPage.pageX,
|
|
|
1345 |
y = this.currentPage.pageY;
|
|
|
1346 |
|
|
|
1347 |
x++;
|
|
|
1348 |
|
|
|
1349 |
if ( x >= this.pages.length && this.hasVerticalScroll ) {
|
|
|
1350 |
x = 0;
|
|
|
1351 |
y++;
|
|
|
1352 |
}
|
|
|
1353 |
|
|
|
1354 |
this.goToPage(x, y, time, easing);
|
|
|
1355 |
},
|
|
|
1356 |
|
|
|
1357 |
prev: function (time, easing) {
|
|
|
1358 |
var x = this.currentPage.pageX,
|
|
|
1359 |
y = this.currentPage.pageY;
|
|
|
1360 |
|
|
|
1361 |
x--;
|
|
|
1362 |
|
|
|
1363 |
if ( x < 0 && this.hasVerticalScroll ) {
|
|
|
1364 |
x = 0;
|
|
|
1365 |
y--;
|
|
|
1366 |
}
|
|
|
1367 |
|
|
|
1368 |
this.goToPage(x, y, time, easing);
|
|
|
1369 |
},
|
|
|
1370 |
|
|
|
1371 |
_initKeys: function (e) {
|
|
|
1372 |
// default key bindings
|
|
|
1373 |
var keys = {
|
|
|
1374 |
pageUp: 33,
|
|
|
1375 |
pageDown: 34,
|
|
|
1376 |
end: 35,
|
|
|
1377 |
home: 36,
|
|
|
1378 |
left: 37,
|
|
|
1379 |
up: 38,
|
|
|
1380 |
right: 39,
|
|
|
1381 |
down: 40
|
|
|
1382 |
};
|
|
|
1383 |
var i;
|
|
|
1384 |
|
|
|
1385 |
// if you give me characters I give you keycode
|
|
|
1386 |
if ( typeof this.options.keyBindings == 'object' ) {
|
|
|
1387 |
for ( i in this.options.keyBindings ) {
|
|
|
1388 |
if ( typeof this.options.keyBindings[i] == 'string' ) {
|
|
|
1389 |
this.options.keyBindings[i] = this.options.keyBindings[i].toUpperCase().charCodeAt(0);
|
|
|
1390 |
}
|
|
|
1391 |
}
|
|
|
1392 |
} else {
|
|
|
1393 |
this.options.keyBindings = {};
|
|
|
1394 |
}
|
|
|
1395 |
|
|
|
1396 |
for ( i in keys ) {
|
|
|
1397 |
this.options.keyBindings[i] = this.options.keyBindings[i] || keys[i];
|
|
|
1398 |
}
|
|
|
1399 |
|
|
|
1400 |
utils.addEvent(window, 'keydown', this);
|
|
|
1401 |
|
|
|
1402 |
this.on('destroy', function () {
|
|
|
1403 |
utils.removeEvent(window, 'keydown', this);
|
|
|
1404 |
});
|
|
|
1405 |
},
|
|
|
1406 |
|
|
|
1407 |
_key: function (e) {
|
|
|
1408 |
if ( !this.enabled ) {
|
|
|
1409 |
return;
|
|
|
1410 |
}
|
|
|
1411 |
|
|
|
1412 |
var snap = this.options.snap, // we are using this alot, better to cache it
|
|
|
1413 |
newX = snap ? this.currentPage.pageX : this.x,
|
|
|
1414 |
newY = snap ? this.currentPage.pageY : this.y,
|
|
|
1415 |
now = utils.getTime(),
|
|
|
1416 |
prevTime = this.keyTime || 0,
|
|
|
1417 |
acceleration = 0.250,
|
|
|
1418 |
pos;
|
|
|
1419 |
|
|
|
1420 |
if ( this.options.useTransition && this.isInTransition ) {
|
|
|
1421 |
pos = this.getComputedPosition();
|
|
|
1422 |
|
|
|
1423 |
this._translate(Math.round(pos.x), Math.round(pos.y));
|
|
|
1424 |
this.isInTransition = false;
|
|
|
1425 |
}
|
|
|
1426 |
|
|
|
1427 |
this.keyAcceleration = now - prevTime < 200 ? Math.min(this.keyAcceleration + acceleration, 50) : 0;
|
|
|
1428 |
|
|
|
1429 |
switch ( e.keyCode ) {
|
|
|
1430 |
case this.options.keyBindings.pageUp:
|
|
|
1431 |
if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) {
|
|
|
1432 |
newX += snap ? 1 : this.wrapperWidth;
|
|
|
1433 |
} else {
|
|
|
1434 |
newY += snap ? 1 : this.wrapperHeight;
|
|
|
1435 |
}
|
|
|
1436 |
break;
|
|
|
1437 |
case this.options.keyBindings.pageDown:
|
|
|
1438 |
if ( this.hasHorizontalScroll && !this.hasVerticalScroll ) {
|
|
|
1439 |
newX -= snap ? 1 : this.wrapperWidth;
|
|
|
1440 |
} else {
|
|
|
1441 |
newY -= snap ? 1 : this.wrapperHeight;
|
|
|
1442 |
}
|
|
|
1443 |
break;
|
|
|
1444 |
case this.options.keyBindings.end:
|
|
|
1445 |
newX = snap ? this.pages.length-1 : this.maxScrollX;
|
|
|
1446 |
newY = snap ? this.pages[0].length-1 : this.maxScrollY;
|
|
|
1447 |
break;
|
|
|
1448 |
case this.options.keyBindings.home:
|
|
|
1449 |
newX = 0;
|
|
|
1450 |
newY = 0;
|
|
|
1451 |
break;
|
|
|
1452 |
case this.options.keyBindings.left:
|
|
|
1453 |
newX += snap ? -1 : 5 + this.keyAcceleration>>0;
|
|
|
1454 |
break;
|
|
|
1455 |
case this.options.keyBindings.up:
|
|
|
1456 |
newY += snap ? 1 : 5 + this.keyAcceleration>>0;
|
|
|
1457 |
break;
|
|
|
1458 |
case this.options.keyBindings.right:
|
|
|
1459 |
newX -= snap ? -1 : 5 + this.keyAcceleration>>0;
|
|
|
1460 |
break;
|
|
|
1461 |
case this.options.keyBindings.down:
|
|
|
1462 |
newY -= snap ? 1 : 5 + this.keyAcceleration>>0;
|
|
|
1463 |
break;
|
|
|
1464 |
default:
|
|
|
1465 |
return;
|
|
|
1466 |
}
|
|
|
1467 |
|
|
|
1468 |
if ( snap ) {
|
|
|
1469 |
this.goToPage(newX, newY);
|
|
|
1470 |
return;
|
|
|
1471 |
}
|
|
|
1472 |
|
|
|
1473 |
if ( newX > 0 ) {
|
|
|
1474 |
newX = 0;
|
|
|
1475 |
this.keyAcceleration = 0;
|
|
|
1476 |
} else if ( newX < this.maxScrollX ) {
|
|
|
1477 |
newX = this.maxScrollX;
|
|
|
1478 |
this.keyAcceleration = 0;
|
|
|
1479 |
}
|
|
|
1480 |
|
|
|
1481 |
if ( newY > 0 ) {
|
|
|
1482 |
newY = 0;
|
|
|
1483 |
this.keyAcceleration = 0;
|
|
|
1484 |
} else if ( newY < this.maxScrollY ) {
|
|
|
1485 |
newY = this.maxScrollY;
|
|
|
1486 |
this.keyAcceleration = 0;
|
|
|
1487 |
}
|
|
|
1488 |
|
|
|
1489 |
this.scrollTo(newX, newY, 0);
|
|
|
1490 |
|
|
|
1491 |
this.keyTime = now;
|
|
|
1492 |
},
|
|
|
1493 |
|
|
|
1494 |
_animate: function (destX, destY, duration, easingFn) {
|
|
|
1495 |
var that = this,
|
|
|
1496 |
startX = this.x,
|
|
|
1497 |
startY = this.y,
|
|
|
1498 |
startTime = utils.getTime(),
|
|
|
1499 |
destTime = startTime + duration;
|
|
|
1500 |
|
|
|
1501 |
function step () {
|
|
|
1502 |
var now = utils.getTime(),
|
|
|
1503 |
newX, newY,
|
|
|
1504 |
easing;
|
|
|
1505 |
|
|
|
1506 |
if ( now >= destTime ) {
|
|
|
1507 |
that.isAnimating = false;
|
|
|
1508 |
that._translate(destX, destY);
|
|
|
1509 |
|
|
|
1510 |
if ( !that.resetPosition(that.options.bounceTime) ) {
|
|
|
1511 |
that._execEvent('scrollEnd');
|
|
|
1512 |
}
|
|
|
1513 |
|
|
|
1514 |
return;
|
|
|
1515 |
}
|
|
|
1516 |
|
|
|
1517 |
now = ( now - startTime ) / duration;
|
|
|
1518 |
easing = easingFn(now);
|
|
|
1519 |
newX = ( destX - startX ) * easing + startX;
|
|
|
1520 |
newY = ( destY - startY ) * easing + startY;
|
|
|
1521 |
that._translate(newX, newY);
|
|
|
1522 |
|
|
|
1523 |
if ( that.isAnimating ) {
|
|
|
1524 |
rAF(step);
|
|
|
1525 |
}
|
|
|
1526 |
}
|
|
|
1527 |
|
|
|
1528 |
this.isAnimating = true;
|
|
|
1529 |
step();
|
|
|
1530 |
},
|
|
|
1531 |
handleEvent: function (e) {
|
|
|
1532 |
switch ( e.type ) {
|
|
|
1533 |
case 'touchstart':
|
|
|
1534 |
case 'pointerdown':
|
|
|
1535 |
case 'MSPointerDown':
|
|
|
1536 |
case 'mousedown':
|
|
|
1537 |
this._start(e);
|
|
|
1538 |
break;
|
|
|
1539 |
case 'touchmove':
|
|
|
1540 |
case 'pointermove':
|
|
|
1541 |
case 'MSPointerMove':
|
|
|
1542 |
case 'mousemove':
|
|
|
1543 |
this._move(e);
|
|
|
1544 |
break;
|
|
|
1545 |
case 'touchend':
|
|
|
1546 |
case 'pointerup':
|
|
|
1547 |
case 'MSPointerUp':
|
|
|
1548 |
case 'mouseup':
|
|
|
1549 |
case 'touchcancel':
|
|
|
1550 |
case 'pointercancel':
|
|
|
1551 |
case 'MSPointerCancel':
|
|
|
1552 |
case 'mousecancel':
|
|
|
1553 |
this._end(e);
|
|
|
1554 |
break;
|
|
|
1555 |
case 'orientationchange':
|
|
|
1556 |
case 'resize':
|
|
|
1557 |
this._resize();
|
|
|
1558 |
break;
|
|
|
1559 |
case 'transitionend':
|
|
|
1560 |
case 'webkitTransitionEnd':
|
|
|
1561 |
case 'oTransitionEnd':
|
|
|
1562 |
case 'MSTransitionEnd':
|
|
|
1563 |
this._transitionEnd(e);
|
|
|
1564 |
break;
|
|
|
1565 |
case 'wheel':
|
|
|
1566 |
case 'DOMMouseScroll':
|
|
|
1567 |
case 'mousewheel':
|
|
|
1568 |
this._wheel(e);
|
|
|
1569 |
break;
|
|
|
1570 |
case 'keydown':
|
|
|
1571 |
this._key(e);
|
|
|
1572 |
break;
|
|
|
1573 |
case 'click':
|
| 20685 |
amit.gupta |
1574 |
if ( !e._constructed ) {
|
| 18213 |
naman |
1575 |
e.preventDefault();
|
|
|
1576 |
e.stopPropagation();
|
|
|
1577 |
}
|
|
|
1578 |
break;
|
|
|
1579 |
}
|
|
|
1580 |
}
|
|
|
1581 |
};
|
|
|
1582 |
function createDefaultScrollbar (direction, interactive, type) {
|
|
|
1583 |
var scrollbar = document.createElement('div'),
|
|
|
1584 |
indicator = document.createElement('div');
|
|
|
1585 |
|
|
|
1586 |
if ( type === true ) {
|
|
|
1587 |
scrollbar.style.cssText = 'position:absolute;z-index:9999';
|
|
|
1588 |
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';
|
|
|
1589 |
}
|
|
|
1590 |
|
|
|
1591 |
indicator.className = 'iScrollIndicator';
|
|
|
1592 |
|
|
|
1593 |
if ( direction == 'h' ) {
|
|
|
1594 |
if ( type === true ) {
|
|
|
1595 |
scrollbar.style.cssText += ';height:7px;left:2px;right:2px;bottom:0';
|
|
|
1596 |
indicator.style.height = '100%';
|
|
|
1597 |
}
|
|
|
1598 |
scrollbar.className = 'iScrollHorizontalScrollbar';
|
|
|
1599 |
} else {
|
|
|
1600 |
if ( type === true ) {
|
|
|
1601 |
scrollbar.style.cssText += ';width:7px;bottom:2px;top:2px;right:1px';
|
|
|
1602 |
indicator.style.width = '100%';
|
|
|
1603 |
}
|
|
|
1604 |
scrollbar.className = 'iScrollVerticalScrollbar';
|
|
|
1605 |
}
|
|
|
1606 |
|
|
|
1607 |
scrollbar.style.cssText += ';overflow:hidden';
|
|
|
1608 |
|
|
|
1609 |
if ( !interactive ) {
|
|
|
1610 |
scrollbar.style.pointerEvents = 'none';
|
|
|
1611 |
}
|
|
|
1612 |
|
|
|
1613 |
scrollbar.appendChild(indicator);
|
|
|
1614 |
|
|
|
1615 |
return scrollbar;
|
|
|
1616 |
}
|
|
|
1617 |
|
|
|
1618 |
function Indicator (scroller, options) {
|
|
|
1619 |
this.wrapper = typeof options.el == 'string' ? document.querySelector(options.el) : options.el;
|
|
|
1620 |
this.wrapperStyle = this.wrapper.style;
|
|
|
1621 |
this.indicator = this.wrapper.children[0];
|
|
|
1622 |
this.indicatorStyle = this.indicator.style;
|
|
|
1623 |
this.scroller = scroller;
|
|
|
1624 |
|
|
|
1625 |
this.options = {
|
|
|
1626 |
listenX: true,
|
|
|
1627 |
listenY: true,
|
|
|
1628 |
interactive: false,
|
|
|
1629 |
resize: true,
|
|
|
1630 |
defaultScrollbars: false,
|
|
|
1631 |
shrink: false,
|
|
|
1632 |
fade: false,
|
|
|
1633 |
speedRatioX: 0,
|
|
|
1634 |
speedRatioY: 0
|
|
|
1635 |
};
|
|
|
1636 |
|
|
|
1637 |
for ( var i in options ) {
|
|
|
1638 |
this.options[i] = options[i];
|
|
|
1639 |
}
|
|
|
1640 |
|
|
|
1641 |
this.sizeRatioX = 1;
|
|
|
1642 |
this.sizeRatioY = 1;
|
|
|
1643 |
this.maxPosX = 0;
|
|
|
1644 |
this.maxPosY = 0;
|
|
|
1645 |
|
|
|
1646 |
if ( this.options.interactive ) {
|
|
|
1647 |
if ( !this.options.disableTouch ) {
|
|
|
1648 |
utils.addEvent(this.indicator, 'touchstart', this);
|
|
|
1649 |
utils.addEvent(window, 'touchend', this);
|
|
|
1650 |
}
|
|
|
1651 |
if ( !this.options.disablePointer ) {
|
|
|
1652 |
utils.addEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
|
|
|
1653 |
utils.addEvent(window, utils.prefixPointerEvent('pointerup'), this);
|
|
|
1654 |
}
|
|
|
1655 |
if ( !this.options.disableMouse ) {
|
|
|
1656 |
utils.addEvent(this.indicator, 'mousedown', this);
|
|
|
1657 |
utils.addEvent(window, 'mouseup', this);
|
|
|
1658 |
}
|
|
|
1659 |
}
|
|
|
1660 |
|
|
|
1661 |
if ( this.options.fade ) {
|
|
|
1662 |
this.wrapperStyle[utils.style.transform] = this.scroller.translateZ;
|
| 20685 |
amit.gupta |
1663 |
this.wrapperStyle[utils.style.transitionDuration] = utils.isBadAndroid ? '0.001s' : '0ms';
|
| 18213 |
naman |
1664 |
this.wrapperStyle.opacity = '0';
|
|
|
1665 |
}
|
|
|
1666 |
}
|
|
|
1667 |
|
|
|
1668 |
Indicator.prototype = {
|
|
|
1669 |
handleEvent: function (e) {
|
|
|
1670 |
switch ( e.type ) {
|
|
|
1671 |
case 'touchstart':
|
|
|
1672 |
case 'pointerdown':
|
|
|
1673 |
case 'MSPointerDown':
|
|
|
1674 |
case 'mousedown':
|
|
|
1675 |
this._start(e);
|
|
|
1676 |
break;
|
|
|
1677 |
case 'touchmove':
|
|
|
1678 |
case 'pointermove':
|
|
|
1679 |
case 'MSPointerMove':
|
|
|
1680 |
case 'mousemove':
|
|
|
1681 |
this._move(e);
|
|
|
1682 |
break;
|
|
|
1683 |
case 'touchend':
|
|
|
1684 |
case 'pointerup':
|
|
|
1685 |
case 'MSPointerUp':
|
|
|
1686 |
case 'mouseup':
|
|
|
1687 |
case 'touchcancel':
|
|
|
1688 |
case 'pointercancel':
|
|
|
1689 |
case 'MSPointerCancel':
|
|
|
1690 |
case 'mousecancel':
|
|
|
1691 |
this._end(e);
|
|
|
1692 |
break;
|
|
|
1693 |
}
|
|
|
1694 |
},
|
|
|
1695 |
|
|
|
1696 |
destroy: function () {
|
|
|
1697 |
if ( this.options.interactive ) {
|
|
|
1698 |
utils.removeEvent(this.indicator, 'touchstart', this);
|
|
|
1699 |
utils.removeEvent(this.indicator, utils.prefixPointerEvent('pointerdown'), this);
|
|
|
1700 |
utils.removeEvent(this.indicator, 'mousedown', this);
|
|
|
1701 |
|
|
|
1702 |
utils.removeEvent(window, 'touchmove', this);
|
|
|
1703 |
utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
|
|
|
1704 |
utils.removeEvent(window, 'mousemove', this);
|
|
|
1705 |
|
|
|
1706 |
utils.removeEvent(window, 'touchend', this);
|
|
|
1707 |
utils.removeEvent(window, utils.prefixPointerEvent('pointerup'), this);
|
|
|
1708 |
utils.removeEvent(window, 'mouseup', this);
|
|
|
1709 |
}
|
|
|
1710 |
|
| 20685 |
amit.gupta |
1711 |
if ( this.options.defaultScrollbars ) {
|
| 18213 |
naman |
1712 |
this.wrapper.parentNode.removeChild(this.wrapper);
|
|
|
1713 |
}
|
|
|
1714 |
},
|
|
|
1715 |
|
|
|
1716 |
_start: function (e) {
|
|
|
1717 |
var point = e.touches ? e.touches[0] : e;
|
|
|
1718 |
|
|
|
1719 |
e.preventDefault();
|
|
|
1720 |
e.stopPropagation();
|
|
|
1721 |
|
|
|
1722 |
this.transitionTime();
|
|
|
1723 |
|
|
|
1724 |
this.initiated = true;
|
|
|
1725 |
this.moved = false;
|
|
|
1726 |
this.lastPointX = point.pageX;
|
|
|
1727 |
this.lastPointY = point.pageY;
|
|
|
1728 |
|
|
|
1729 |
this.startTime = utils.getTime();
|
|
|
1730 |
|
|
|
1731 |
if ( !this.options.disableTouch ) {
|
|
|
1732 |
utils.addEvent(window, 'touchmove', this);
|
|
|
1733 |
}
|
|
|
1734 |
if ( !this.options.disablePointer ) {
|
|
|
1735 |
utils.addEvent(window, utils.prefixPointerEvent('pointermove'), this);
|
|
|
1736 |
}
|
|
|
1737 |
if ( !this.options.disableMouse ) {
|
|
|
1738 |
utils.addEvent(window, 'mousemove', this);
|
|
|
1739 |
}
|
|
|
1740 |
|
|
|
1741 |
this.scroller._execEvent('beforeScrollStart');
|
|
|
1742 |
},
|
|
|
1743 |
|
|
|
1744 |
_move: function (e) {
|
|
|
1745 |
var point = e.touches ? e.touches[0] : e,
|
|
|
1746 |
deltaX, deltaY,
|
|
|
1747 |
newX, newY,
|
|
|
1748 |
timestamp = utils.getTime();
|
|
|
1749 |
|
|
|
1750 |
if ( !this.moved ) {
|
|
|
1751 |
this.scroller._execEvent('scrollStart');
|
|
|
1752 |
}
|
|
|
1753 |
|
|
|
1754 |
this.moved = true;
|
|
|
1755 |
|
|
|
1756 |
deltaX = point.pageX - this.lastPointX;
|
|
|
1757 |
this.lastPointX = point.pageX;
|
|
|
1758 |
|
|
|
1759 |
deltaY = point.pageY - this.lastPointY;
|
|
|
1760 |
this.lastPointY = point.pageY;
|
|
|
1761 |
|
|
|
1762 |
newX = this.x + deltaX;
|
|
|
1763 |
newY = this.y + deltaY;
|
|
|
1764 |
|
|
|
1765 |
this._pos(newX, newY);
|
|
|
1766 |
|
|
|
1767 |
// INSERT POINT: indicator._move
|
|
|
1768 |
|
|
|
1769 |
e.preventDefault();
|
|
|
1770 |
e.stopPropagation();
|
|
|
1771 |
},
|
|
|
1772 |
|
|
|
1773 |
_end: function (e) {
|
|
|
1774 |
if ( !this.initiated ) {
|
|
|
1775 |
return;
|
|
|
1776 |
}
|
|
|
1777 |
|
|
|
1778 |
this.initiated = false;
|
|
|
1779 |
|
|
|
1780 |
e.preventDefault();
|
|
|
1781 |
e.stopPropagation();
|
|
|
1782 |
|
|
|
1783 |
utils.removeEvent(window, 'touchmove', this);
|
|
|
1784 |
utils.removeEvent(window, utils.prefixPointerEvent('pointermove'), this);
|
|
|
1785 |
utils.removeEvent(window, 'mousemove', this);
|
|
|
1786 |
|
|
|
1787 |
if ( this.scroller.options.snap ) {
|
|
|
1788 |
var snap = this.scroller._nearestSnap(this.scroller.x, this.scroller.y);
|
|
|
1789 |
|
|
|
1790 |
var time = this.options.snapSpeed || Math.max(
|
|
|
1791 |
Math.max(
|
|
|
1792 |
Math.min(Math.abs(this.scroller.x - snap.x), 1000),
|
|
|
1793 |
Math.min(Math.abs(this.scroller.y - snap.y), 1000)
|
|
|
1794 |
), 300);
|
|
|
1795 |
|
|
|
1796 |
if ( this.scroller.x != snap.x || this.scroller.y != snap.y ) {
|
|
|
1797 |
this.scroller.directionX = 0;
|
|
|
1798 |
this.scroller.directionY = 0;
|
|
|
1799 |
this.scroller.currentPage = snap;
|
|
|
1800 |
this.scroller.scrollTo(snap.x, snap.y, time, this.scroller.options.bounceEasing);
|
|
|
1801 |
}
|
|
|
1802 |
}
|
|
|
1803 |
|
|
|
1804 |
if ( this.moved ) {
|
|
|
1805 |
this.scroller._execEvent('scrollEnd');
|
|
|
1806 |
}
|
|
|
1807 |
},
|
|
|
1808 |
|
|
|
1809 |
transitionTime: function (time) {
|
|
|
1810 |
time = time || 0;
|
| 20685 |
amit.gupta |
1811 |
this.indicatorStyle[utils.style.transitionDuration] = time + 'ms';
|
| 18213 |
naman |
1812 |
|
|
|
1813 |
if ( !time && utils.isBadAndroid ) {
|
| 20685 |
amit.gupta |
1814 |
this.indicatorStyle[utils.style.transitionDuration] = '0.001s';
|
| 18213 |
naman |
1815 |
}
|
|
|
1816 |
},
|
|
|
1817 |
|
|
|
1818 |
transitionTimingFunction: function (easing) {
|
|
|
1819 |
this.indicatorStyle[utils.style.transitionTimingFunction] = easing;
|
|
|
1820 |
},
|
|
|
1821 |
|
|
|
1822 |
refresh: function () {
|
|
|
1823 |
this.transitionTime();
|
|
|
1824 |
|
|
|
1825 |
if ( this.options.listenX && !this.options.listenY ) {
|
|
|
1826 |
this.indicatorStyle.display = this.scroller.hasHorizontalScroll ? 'block' : 'none';
|
|
|
1827 |
} else if ( this.options.listenY && !this.options.listenX ) {
|
|
|
1828 |
this.indicatorStyle.display = this.scroller.hasVerticalScroll ? 'block' : 'none';
|
|
|
1829 |
} else {
|
|
|
1830 |
this.indicatorStyle.display = this.scroller.hasHorizontalScroll || this.scroller.hasVerticalScroll ? 'block' : 'none';
|
|
|
1831 |
}
|
|
|
1832 |
|
|
|
1833 |
if ( this.scroller.hasHorizontalScroll && this.scroller.hasVerticalScroll ) {
|
|
|
1834 |
utils.addClass(this.wrapper, 'iScrollBothScrollbars');
|
|
|
1835 |
utils.removeClass(this.wrapper, 'iScrollLoneScrollbar');
|
|
|
1836 |
|
|
|
1837 |
if ( this.options.defaultScrollbars && this.options.customStyle ) {
|
|
|
1838 |
if ( this.options.listenX ) {
|
|
|
1839 |
this.wrapper.style.right = '8px';
|
|
|
1840 |
} else {
|
|
|
1841 |
this.wrapper.style.bottom = '8px';
|
|
|
1842 |
}
|
|
|
1843 |
}
|
|
|
1844 |
} else {
|
|
|
1845 |
utils.removeClass(this.wrapper, 'iScrollBothScrollbars');
|
|
|
1846 |
utils.addClass(this.wrapper, 'iScrollLoneScrollbar');
|
|
|
1847 |
|
|
|
1848 |
if ( this.options.defaultScrollbars && this.options.customStyle ) {
|
|
|
1849 |
if ( this.options.listenX ) {
|
|
|
1850 |
this.wrapper.style.right = '2px';
|
|
|
1851 |
} else {
|
|
|
1852 |
this.wrapper.style.bottom = '2px';
|
|
|
1853 |
}
|
|
|
1854 |
}
|
|
|
1855 |
}
|
|
|
1856 |
|
| 20685 |
amit.gupta |
1857 |
var r = this.wrapper.offsetHeight; // force refresh
|
| 18213 |
naman |
1858 |
|
|
|
1859 |
if ( this.options.listenX ) {
|
|
|
1860 |
this.wrapperWidth = this.wrapper.clientWidth;
|
|
|
1861 |
if ( this.options.resize ) {
|
|
|
1862 |
this.indicatorWidth = Math.max(Math.round(this.wrapperWidth * this.wrapperWidth / (this.scroller.scrollerWidth || this.wrapperWidth || 1)), 8);
|
|
|
1863 |
this.indicatorStyle.width = this.indicatorWidth + 'px';
|
|
|
1864 |
} else {
|
|
|
1865 |
this.indicatorWidth = this.indicator.clientWidth;
|
|
|
1866 |
}
|
|
|
1867 |
|
|
|
1868 |
this.maxPosX = this.wrapperWidth - this.indicatorWidth;
|
|
|
1869 |
|
|
|
1870 |
if ( this.options.shrink == 'clip' ) {
|
|
|
1871 |
this.minBoundaryX = -this.indicatorWidth + 8;
|
|
|
1872 |
this.maxBoundaryX = this.wrapperWidth - 8;
|
|
|
1873 |
} else {
|
|
|
1874 |
this.minBoundaryX = 0;
|
|
|
1875 |
this.maxBoundaryX = this.maxPosX;
|
|
|
1876 |
}
|
|
|
1877 |
|
| 20685 |
amit.gupta |
1878 |
this.sizeRatioX = this.options.speedRatioX || (this.scroller.maxScrollX && (this.maxPosX / this.scroller.maxScrollX));
|
| 18213 |
naman |
1879 |
}
|
|
|
1880 |
|
|
|
1881 |
if ( this.options.listenY ) {
|
|
|
1882 |
this.wrapperHeight = this.wrapper.clientHeight;
|
|
|
1883 |
if ( this.options.resize ) {
|
|
|
1884 |
this.indicatorHeight = Math.max(Math.round(this.wrapperHeight * this.wrapperHeight / (this.scroller.scrollerHeight || this.wrapperHeight || 1)), 8);
|
|
|
1885 |
this.indicatorStyle.height = this.indicatorHeight + 'px';
|
|
|
1886 |
} else {
|
|
|
1887 |
this.indicatorHeight = this.indicator.clientHeight;
|
|
|
1888 |
}
|
|
|
1889 |
|
|
|
1890 |
this.maxPosY = this.wrapperHeight - this.indicatorHeight;
|
|
|
1891 |
|
|
|
1892 |
if ( this.options.shrink == 'clip' ) {
|
|
|
1893 |
this.minBoundaryY = -this.indicatorHeight + 8;
|
|
|
1894 |
this.maxBoundaryY = this.wrapperHeight - 8;
|
|
|
1895 |
} else {
|
|
|
1896 |
this.minBoundaryY = 0;
|
|
|
1897 |
this.maxBoundaryY = this.maxPosY;
|
|
|
1898 |
}
|
|
|
1899 |
|
|
|
1900 |
this.maxPosY = this.wrapperHeight - this.indicatorHeight;
|
|
|
1901 |
this.sizeRatioY = this.options.speedRatioY || (this.scroller.maxScrollY && (this.maxPosY / this.scroller.maxScrollY));
|
|
|
1902 |
}
|
|
|
1903 |
|
|
|
1904 |
this.updatePosition();
|
|
|
1905 |
},
|
|
|
1906 |
|
|
|
1907 |
updatePosition: function () {
|
|
|
1908 |
var x = this.options.listenX && Math.round(this.sizeRatioX * this.scroller.x) || 0,
|
|
|
1909 |
y = this.options.listenY && Math.round(this.sizeRatioY * this.scroller.y) || 0;
|
|
|
1910 |
|
|
|
1911 |
if ( !this.options.ignoreBoundaries ) {
|
|
|
1912 |
if ( x < this.minBoundaryX ) {
|
|
|
1913 |
if ( this.options.shrink == 'scale' ) {
|
|
|
1914 |
this.width = Math.max(this.indicatorWidth + x, 8);
|
|
|
1915 |
this.indicatorStyle.width = this.width + 'px';
|
|
|
1916 |
}
|
|
|
1917 |
x = this.minBoundaryX;
|
|
|
1918 |
} else if ( x > this.maxBoundaryX ) {
|
|
|
1919 |
if ( this.options.shrink == 'scale' ) {
|
|
|
1920 |
this.width = Math.max(this.indicatorWidth - (x - this.maxPosX), 8);
|
|
|
1921 |
this.indicatorStyle.width = this.width + 'px';
|
|
|
1922 |
x = this.maxPosX + this.indicatorWidth - this.width;
|
|
|
1923 |
} else {
|
|
|
1924 |
x = this.maxBoundaryX;
|
|
|
1925 |
}
|
|
|
1926 |
} else if ( this.options.shrink == 'scale' && this.width != this.indicatorWidth ) {
|
|
|
1927 |
this.width = this.indicatorWidth;
|
|
|
1928 |
this.indicatorStyle.width = this.width + 'px';
|
|
|
1929 |
}
|
|
|
1930 |
|
|
|
1931 |
if ( y < this.minBoundaryY ) {
|
|
|
1932 |
if ( this.options.shrink == 'scale' ) {
|
|
|
1933 |
this.height = Math.max(this.indicatorHeight + y * 3, 8);
|
|
|
1934 |
this.indicatorStyle.height = this.height + 'px';
|
|
|
1935 |
}
|
|
|
1936 |
y = this.minBoundaryY;
|
|
|
1937 |
} else if ( y > this.maxBoundaryY ) {
|
|
|
1938 |
if ( this.options.shrink == 'scale' ) {
|
|
|
1939 |
this.height = Math.max(this.indicatorHeight - (y - this.maxPosY) * 3, 8);
|
|
|
1940 |
this.indicatorStyle.height = this.height + 'px';
|
|
|
1941 |
y = this.maxPosY + this.indicatorHeight - this.height;
|
|
|
1942 |
} else {
|
|
|
1943 |
y = this.maxBoundaryY;
|
|
|
1944 |
}
|
|
|
1945 |
} else if ( this.options.shrink == 'scale' && this.height != this.indicatorHeight ) {
|
|
|
1946 |
this.height = this.indicatorHeight;
|
|
|
1947 |
this.indicatorStyle.height = this.height + 'px';
|
|
|
1948 |
}
|
|
|
1949 |
}
|
|
|
1950 |
|
|
|
1951 |
this.x = x;
|
|
|
1952 |
this.y = y;
|
|
|
1953 |
|
|
|
1954 |
if ( this.scroller.options.useTransform ) {
|
|
|
1955 |
this.indicatorStyle[utils.style.transform] = 'translate(' + x + 'px,' + y + 'px)' + this.scroller.translateZ;
|
|
|
1956 |
} else {
|
|
|
1957 |
this.indicatorStyle.left = x + 'px';
|
|
|
1958 |
this.indicatorStyle.top = y + 'px';
|
|
|
1959 |
}
|
|
|
1960 |
},
|
|
|
1961 |
|
|
|
1962 |
_pos: function (x, y) {
|
|
|
1963 |
if ( x < 0 ) {
|
|
|
1964 |
x = 0;
|
|
|
1965 |
} else if ( x > this.maxPosX ) {
|
|
|
1966 |
x = this.maxPosX;
|
|
|
1967 |
}
|
|
|
1968 |
|
|
|
1969 |
if ( y < 0 ) {
|
|
|
1970 |
y = 0;
|
|
|
1971 |
} else if ( y > this.maxPosY ) {
|
|
|
1972 |
y = this.maxPosY;
|
|
|
1973 |
}
|
|
|
1974 |
|
|
|
1975 |
x = this.options.listenX ? Math.round(x / this.sizeRatioX) : this.scroller.x;
|
|
|
1976 |
y = this.options.listenY ? Math.round(y / this.sizeRatioY) : this.scroller.y;
|
|
|
1977 |
|
|
|
1978 |
this.scroller.scrollTo(x, y);
|
|
|
1979 |
},
|
|
|
1980 |
|
|
|
1981 |
fade: function (val, hold) {
|
|
|
1982 |
if ( hold && !this.visible ) {
|
|
|
1983 |
return;
|
|
|
1984 |
}
|
|
|
1985 |
|
|
|
1986 |
clearTimeout(this.fadeTimeout);
|
|
|
1987 |
this.fadeTimeout = null;
|
|
|
1988 |
|
|
|
1989 |
var time = val ? 250 : 500,
|
|
|
1990 |
delay = val ? 0 : 300;
|
|
|
1991 |
|
|
|
1992 |
val = val ? '1' : '0';
|
|
|
1993 |
|
|
|
1994 |
this.wrapperStyle[utils.style.transitionDuration] = time + 'ms';
|
|
|
1995 |
|
|
|
1996 |
this.fadeTimeout = setTimeout((function (val) {
|
|
|
1997 |
this.wrapperStyle.opacity = val;
|
|
|
1998 |
this.visible = +val;
|
|
|
1999 |
}).bind(this, val), delay);
|
|
|
2000 |
}
|
|
|
2001 |
};
|
|
|
2002 |
|
|
|
2003 |
IScroll.utils = utils;
|
|
|
2004 |
|
|
|
2005 |
if ( typeof module != 'undefined' && module.exports ) {
|
|
|
2006 |
module.exports = IScroll;
|
|
|
2007 |
} else {
|
|
|
2008 |
window.IScroll = IScroll;
|
|
|
2009 |
}
|
|
|
2010 |
|
|
|
2011 |
})(window, document, Math);
|