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+/*!
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+ * iScroll v4.2.5 ~ Copyright (c) 2012 Matteo Spinelli, http://cubiq.org
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+ * Released under MIT license, http://cubiq.org/license
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+ */
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+(function(window, doc){
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+var m = Math,
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+ dummyStyle = doc.createElement('div').style,
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+ vendor = (function () {
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+ var vendors = 't,webkitT,MozT,msT,OT'.split(','),
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+ t,
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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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+ t = vendors[i] + 'ransform';
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+ if ( t in dummyStyle ) {
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+ return vendors[i].substr(0, vendors[i].length - 1);
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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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+ cssVendor = vendor ? '-' + vendor.toLowerCase() + '-' : '',
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+
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+ // Style properties
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+ transform = prefixStyle('transform'),
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+ transitionProperty = prefixStyle('transitionProperty'),
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+ transitionDuration = prefixStyle('transitionDuration'),
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+ transformOrigin = prefixStyle('transformOrigin'),
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+ transitionTimingFunction = prefixStyle('transitionTimingFunction'),
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+ transitionDelay = prefixStyle('transitionDelay'),
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+
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+ // Browser capabilities
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+ isAndroid = (/android/gi).test(navigator.appVersion),
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+ isIDevice = (/iphone|ipad/gi).test(navigator.appVersion),
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+ isTouchPad = (/hp-tablet/gi).test(navigator.appVersion),
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+
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+ has3d = prefixStyle('perspective') in dummyStyle,
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+ hasTouch = 'ontouchstart' in window && !isTouchPad,
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+ hasTransform = vendor !== false,
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+ hasTransitionEnd = prefixStyle('transition') in dummyStyle,
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+
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+ RESIZE_EV = 'onorientationchange' in window ? 'orientationchange' : 'resize',
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+ START_EV = hasTouch ? 'touchstart' : 'mousedown',
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+ MOVE_EV = hasTouch ? 'touchmove' : 'mousemove',
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+ END_EV = hasTouch ? 'touchend' : 'mouseup',
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+ CANCEL_EV = hasTouch ? 'touchcancel' : 'mouseup',
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+ TRNEND_EV = (function () {
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+ if ( vendor === false ) return false;
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+
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+ var transitionEnd = {
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+ '' : 'transitionend',
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+ 'webkit' : 'webkitTransitionEnd',
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+ 'Moz' : 'transitionend',
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+ 'O' : 'otransitionend',
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+ 'ms' : 'MSTransitionEnd'
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+ };
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+
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+ return transitionEnd[vendor];
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+ })(),
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+
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+ nextFrame = (function() {
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+ return 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) { return setTimeout(callback, 1); };
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+ })(),
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+ cancelFrame = (function () {
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+ return window.cancelRequestAnimationFrame ||
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+ window.webkitCancelAnimationFrame ||
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+ window.webkitCancelRequestAnimationFrame ||
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+ window.mozCancelRequestAnimationFrame ||
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+ window.oCancelRequestAnimationFrame ||
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+ window.msCancelRequestAnimationFrame ||
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+ clearTimeout;
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+ })(),
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+
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+ // Helpers
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+ translateZ = has3d ? ' translateZ(0)' : '',
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+
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+ // Constructor
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+ iScroll = function (el, options) {
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+ var that = this,
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+ i;
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+
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+ that.wrapper = typeof el == 'object' ? el : doc.getElementById(el);
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+ that.wrapper.style.overflow = 'hidden';
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+ that.scroller = that.wrapper.children[0];
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+
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+ // Default options
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+ that.options = {
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+ hScroll: true,
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+ vScroll: true,
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+ x: 0,
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+ y: 0,
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+ bounce: true,
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+ bounceLock: false,
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+ momentum: true,
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+ lockDirection: true,
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+ useTransform: true,
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+ useTransition: false,
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+ topOffset: 0,
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+ checkDOMChanges: false, // Experimental
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+ handleClick: true,
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+
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+ // Scrollbar
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+ hScrollbar: true,
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+ vScrollbar: true,
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+ fixedScrollbar: isAndroid,
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+ hideScrollbar: isIDevice,
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+ fadeScrollbar: isIDevice && has3d,
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+ scrollbarClass: '',
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+
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+ // Zoom
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+ zoom: false,
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+ zoomMin: 1,
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+ zoomMax: 4,
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+ doubleTapZoom: 2,
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+ wheelAction: 'scroll',
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+
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+ // Snap
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+ snap: false,
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+ snapThreshold: 1,
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+
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+ // Events
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+ onRefresh: null,
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+ onBeforeScrollStart: function (e) { e.preventDefault(); },
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+ onScrollStart: null,
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+ onBeforeScrollMove: null,
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+ onScrollMove: null,
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+ onBeforeScrollEnd: null,
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+ onScrollEnd: null,
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+ onTouchEnd: null,
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+ onDestroy: null,
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+ onZoomStart: null,
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+ onZoom: null,
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+ onZoomEnd: null
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+ };
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+
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+ // User defined options
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+ for (i in options) that.options[i] = options[i];
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+
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+ // Set starting position
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+ that.x = that.options.x;
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+ that.y = that.options.y;
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+
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+ // Normalize options
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+ that.options.useTransform = hasTransform && that.options.useTransform;
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+ that.options.hScrollbar = that.options.hScroll && that.options.hScrollbar;
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+ that.options.vScrollbar = that.options.vScroll && that.options.vScrollbar;
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+ that.options.zoom = that.options.useTransform && that.options.zoom;
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+ that.options.useTransition = hasTransitionEnd && that.options.useTransition;
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+
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+ // Helpers FIX ANDROID BUG!
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+ // translate3d and scale doesn't work together!
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+ // Ignoring 3d ONLY WHEN YOU SET that.options.zoom
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+ if ( that.options.zoom && isAndroid ){
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+ translateZ = '';
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+ }
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+
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+ // Set some default styles
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+ that.scroller.style[transitionProperty] = that.options.useTransform ? cssVendor + 'transform' : 'top left';
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+ that.scroller.style[transitionDuration] = '0';
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+ that.scroller.style[transformOrigin] = '0 0';
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+ if (that.options.useTransition) that.scroller.style[transitionTimingFunction] = 'cubic-bezier(0.33,0.66,0.66,1)';
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+
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+ if (that.options.useTransform) that.scroller.style[transform] = 'translate(' + that.x + 'px,' + that.y + 'px)' + translateZ;
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+ else that.scroller.style.cssText += ';position:absolute;top:' + that.y + 'px;left:' + that.x + 'px';
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+
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+ if (that.options.useTransition) that.options.fixedScrollbar = true;
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+
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+ that.refresh();
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+
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+ that._bind(RESIZE_EV, window);
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+ that._bind(START_EV);
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+ if (!hasTouch) {
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+ if (that.options.wheelAction != 'none') {
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+ that._bind('DOMMouseScroll');
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+ that._bind('mousewheel');
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+ }
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+ }
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+
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+ if (that.options.checkDOMChanges) that.checkDOMTime = setInterval(function () {
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+ that._checkDOMChanges();
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+ }, 500);
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+ };
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+
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+// Prototype
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+iScroll.prototype = {
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+ enabled: true,
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+ x: 0,
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+ y: 0,
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+ steps: [],
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+ scale: 1,
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+ currPageX: 0, currPageY: 0,
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+ pagesX: [], pagesY: [],
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+ aniTime: null,
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+ wheelZoomCount: 0,
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+
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+ handleEvent: function (e) {
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+ var that = this;
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+ switch(e.type) {
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+ case START_EV:
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+ if (!hasTouch && e.button !== 0) return;
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+ that._start(e);
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+ break;
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+ case MOVE_EV: that._move(e); break;
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+ case END_EV:
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+ case CANCEL_EV: that._end(e); break;
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+ case RESIZE_EV: that._resize(); break;
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+ case 'DOMMouseScroll': case 'mousewheel': that._wheel(e); break;
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+ case TRNEND_EV: that._transitionEnd(e); break;
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+ }
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+ },
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+
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+ _checkDOMChanges: function () {
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+ if (this.moved || this.zoomed || this.animating ||
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+ (this.scrollerW == this.scroller.offsetWidth * this.scale && this.scrollerH == this.scroller.offsetHeight * this.scale)) return;
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+
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+ this.refresh();
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+ },
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+
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+ _scrollbar: function (dir) {
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+ var that = this,
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+ bar;
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+
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+ if (!that[dir + 'Scrollbar']) {
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+ if (that[dir + 'ScrollbarWrapper']) {
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+ if (hasTransform) that[dir + 'ScrollbarIndicator'].style[transform] = '';
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+ that[dir + 'ScrollbarWrapper'].parentNode.removeChild(that[dir + 'ScrollbarWrapper']);
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+ that[dir + 'ScrollbarWrapper'] = null;
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+ that[dir + 'ScrollbarIndicator'] = null;
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+ }
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+
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+ return;
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+ }
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+
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+ if (!that[dir + 'ScrollbarWrapper']) {
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+ // Create the scrollbar wrapper
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+ bar = doc.createElement('div');
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+
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+ if (that.options.scrollbarClass) bar.className = that.options.scrollbarClass + dir.toUpperCase();
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+ else bar.style.cssText = 'position:absolute;z-index:100;' + (dir == 'h' ? 'height:7px;bottom:1px;left:2px;right:' + (that.vScrollbar ? '7' : '2') + 'px' : 'width:7px;bottom:' + (that.hScrollbar ? '7' : '2') + 'px;top:2px;right:1px');
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+
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+ bar.style.cssText += ';pointer-events:none;' + cssVendor + 'transition-property:opacity;' + cssVendor + 'transition-duration:' + (that.options.fadeScrollbar ? '350ms' : '0') + ';overflow:hidden;opacity:' + (that.options.hideScrollbar ? '0' : '1');
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+
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+ that.wrapper.appendChild(bar);
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+ that[dir + 'ScrollbarWrapper'] = bar;
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+
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+ // Create the scrollbar indicator
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+ bar = doc.createElement('div');
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+ if (!that.options.scrollbarClass) {
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+ bar.style.cssText = 'position:absolute;z-index:100;background:rgba(0,0,0,0.5);border:1px solid rgba(255,255,255,0.9);' + cssVendor + 'background-clip:padding-box;' + cssVendor + 'box-sizing:border-box;' + (dir == 'h' ? 'height:100%' : 'width:100%') + ';' + cssVendor + 'border-radius:3px;border-radius:3px';
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+ }
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+ bar.style.cssText += ';pointer-events:none;' + cssVendor + 'transition-property:' + cssVendor + 'transform;' + cssVendor + 'transition-timing-function:cubic-bezier(0.33,0.66,0.66,1);' + cssVendor + 'transition-duration:0;' + cssVendor + 'transform: translate(0,0)' + translateZ;
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+ if (that.options.useTransition) bar.style.cssText += ';' + cssVendor + 'transition-timing-function:cubic-bezier(0.33,0.66,0.66,1)';
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+
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+ that[dir + 'ScrollbarWrapper'].appendChild(bar);
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+ that[dir + 'ScrollbarIndicator'] = bar;
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+ }
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+
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+ if (dir == 'h') {
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+ that.hScrollbarSize = that.hScrollbarWrapper.clientWidth;
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+ that.hScrollbarIndicatorSize = m.max(m.round(that.hScrollbarSize * that.hScrollbarSize / that.scrollerW), 8);
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+ that.hScrollbarIndicator.style.width = that.hScrollbarIndicatorSize + 'px';
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+ that.hScrollbarMaxScroll = that.hScrollbarSize - that.hScrollbarIndicatorSize;
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+ that.hScrollbarProp = that.hScrollbarMaxScroll / that.maxScrollX;
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+ } else {
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+ that.vScrollbarSize = that.vScrollbarWrapper.clientHeight;
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+ that.vScrollbarIndicatorSize = m.max(m.round(that.vScrollbarSize * that.vScrollbarSize / that.scrollerH), 8);
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+ that.vScrollbarIndicator.style.height = that.vScrollbarIndicatorSize + 'px';
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+ that.vScrollbarMaxScroll = that.vScrollbarSize - that.vScrollbarIndicatorSize;
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+ that.vScrollbarProp = that.vScrollbarMaxScroll / that.maxScrollY;
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+ }
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+
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+ // Reset position
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+ that._scrollbarPos(dir, true);
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+ },
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+
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+ _resize: function () {
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+ var that = this;
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+ setTimeout(function () { that.refresh(); }, isAndroid ? 200 : 0);
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+ },
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+
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+ _pos: function (x, y) {
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+ if (this.zoomed) return;
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+
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+ x = this.hScroll ? x : 0;
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+ y = this.vScroll ? y : 0;
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+
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+ if (this.options.useTransform) {
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+ this.scroller.style[transform] = 'translate(' + x + 'px,' + y + 'px) scale(' + this.scale + ')' + translateZ;
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+ } else {
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+ x = m.round(x);
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+ y = m.round(y);
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+ this.scroller.style.left = x + 'px';
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+ this.scroller.style.top = y + 'px';
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+ }
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+
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+ this.x = x;
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+ this.y = y;
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+
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+ this._scrollbarPos('h');
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+ this._scrollbarPos('v');
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+ },
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+
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+ _scrollbarPos: function (dir, hidden) {
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+ var that = this,
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+ pos = dir == 'h' ? that.x : that.y,
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+ size;
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+
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+ if (!that[dir + 'Scrollbar']) return;
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+
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+ pos = that[dir + 'ScrollbarProp'] * pos;
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+
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+ if (pos < 0) {
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+ if (!that.options.fixedScrollbar) {
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+ size = that[dir + 'ScrollbarIndicatorSize'] + m.round(pos * 3);
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+ if (size < 8) size = 8;
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+ that[dir + 'ScrollbarIndicator'].style[dir == 'h' ? 'width' : 'height'] = size + 'px';
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+ }
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+ pos = 0;
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+ } else if (pos > that[dir + 'ScrollbarMaxScroll']) {
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+ if (!that.options.fixedScrollbar) {
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+ size = that[dir + 'ScrollbarIndicatorSize'] - m.round((pos - that[dir + 'ScrollbarMaxScroll']) * 3);
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+ if (size < 8) size = 8;
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+ that[dir + 'ScrollbarIndicator'].style[dir == 'h' ? 'width' : 'height'] = size + 'px';
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+ pos = that[dir + 'ScrollbarMaxScroll'] + (that[dir + 'ScrollbarIndicatorSize'] - size);
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+ } else {
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+ pos = that[dir + 'ScrollbarMaxScroll'];
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+ }
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+ }
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+
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+ that[dir + 'ScrollbarWrapper'].style[transitionDelay] = '0';
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+ that[dir + 'ScrollbarWrapper'].style.opacity = hidden && that.options.hideScrollbar ? '0' : '1';
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+ that[dir + 'ScrollbarIndicator'].style[transform] = 'translate(' + (dir == 'h' ? pos + 'px,0)' : '0,' + pos + 'px)') + translateZ;
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+ },
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+
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+ _start: function (e) {
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+ var that = this,
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+ point = hasTouch ? e.touches[0] : e,
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+ matrix, x, y,
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+ c1, c2;
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+
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+ if (!that.enabled) return;
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+
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+ if (that.options.onBeforeScrollStart) that.options.onBeforeScrollStart.call(that, e);
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+
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+ if (that.options.useTransition || that.options.zoom) that._transitionTime(0);
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+
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+ that.moved = false;
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+ that.animating = false;
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+ that.zoomed = false;
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+ that.distX = 0;
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+ that.distY = 0;
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+ that.absDistX = 0;
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+ that.absDistY = 0;
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+ that.dirX = 0;
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+ that.dirY = 0;
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+
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+ // Gesture start
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+ if (that.options.zoom && hasTouch && e.touches.length > 1) {
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+ c1 = m.abs(e.touches[0].pageX-e.touches[1].pageX);
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+ c2 = m.abs(e.touches[0].pageY-e.touches[1].pageY);
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+ that.touchesDistStart = m.sqrt(c1 * c1 + c2 * c2);
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+
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+ that.originX = m.abs(e.touches[0].pageX + e.touches[1].pageX - that.wrapperOffsetLeft * 2) / 2 - that.x;
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+ that.originY = m.abs(e.touches[0].pageY + e.touches[1].pageY - that.wrapperOffsetTop * 2) / 2 - that.y;
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+
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+ if (that.options.onZoomStart) that.options.onZoomStart.call(that, e);
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+ }
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+
|
|
|
+ if (that.options.momentum) {
|
|
|
+ if (that.options.useTransform) {
|
|
|
+ // Very lame general purpose alternative to CSSMatrix
|
|
|
+ matrix = getComputedStyle(that.scroller, null)[transform].replace(/[^0-9\-.,]/g, '').split(',');
|
|
|
+ x = +(matrix[12] || matrix[4]);
|
|
|
+ y = +(matrix[13] || matrix[5]);
|
|
|
+ } else {
|
|
|
+ x = +getComputedStyle(that.scroller, null).left.replace(/[^0-9-]/g, '');
|
|
|
+ y = +getComputedStyle(that.scroller, null).top.replace(/[^0-9-]/g, '');
|
|
|
+ }
|
|
|
+
|
|
|
+ if (x != that.x || y != that.y) {
|
|
|
+ if (that.options.useTransition) that._unbind(TRNEND_EV);
|
|
|
+ else cancelFrame(that.aniTime);
|
|
|
+ that.steps = [];
|
|
|
+ that._pos(x, y);
|
|
|
+ if (that.options.onScrollEnd) that.options.onScrollEnd.call(that);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ that.absStartX = that.x; // Needed by snap threshold
|
|
|
+ that.absStartY = that.y;
|
|
|
+
|
|
|
+ that.startX = that.x;
|
|
|
+ that.startY = that.y;
|
|
|
+ that.pointX = point.pageX;
|
|
|
+ that.pointY = point.pageY;
|
|
|
+
|
|
|
+ that.startTime = e.timeStamp || Date.now();
|
|
|
+
|
|
|
+ if (that.options.onScrollStart) that.options.onScrollStart.call(that, e);
|
|
|
+
|
|
|
+ that._bind(MOVE_EV, window);
|
|
|
+ that._bind(END_EV, window);
|
|
|
+ that._bind(CANCEL_EV, window);
|
|
|
+ },
|
|
|
+
|
|
|
+ _move: function (e) {
|
|
|
+ var that = this,
|
|
|
+ point = hasTouch ? e.touches[0] : e,
|
|
|
+ deltaX = point.pageX - that.pointX,
|
|
|
+ deltaY = point.pageY - that.pointY,
|
|
|
+ newX = that.x + deltaX,
|
|
|
+ newY = that.y + deltaY,
|
|
|
+ c1, c2, scale,
|
|
|
+ timestamp = e.timeStamp || Date.now();
|
|
|
+
|
|
|
+ if (that.options.onBeforeScrollMove) that.options.onBeforeScrollMove.call(that, e);
|
|
|
+
|
|
|
+ // Zoom
|
|
|
+ if (that.options.zoom && hasTouch && e.touches.length > 1) {
|
|
|
+ c1 = m.abs(e.touches[0].pageX - e.touches[1].pageX);
|
|
|
+ c2 = m.abs(e.touches[0].pageY - e.touches[1].pageY);
|
|
|
+ that.touchesDist = m.sqrt(c1*c1+c2*c2);
|
|
|
+
|
|
|
+ that.zoomed = true;
|
|
|
+
|
|
|
+ scale = 1 / that.touchesDistStart * that.touchesDist * this.scale;
|
|
|
+
|
|
|
+ if (scale < that.options.zoomMin) scale = 0.5 * that.options.zoomMin * Math.pow(2.0, scale / that.options.zoomMin);
|
|
|
+ else if (scale > that.options.zoomMax) scale = 2.0 * that.options.zoomMax * Math.pow(0.5, that.options.zoomMax / scale);
|
|
|
+
|
|
|
+ that.lastScale = scale / this.scale;
|
|
|
+
|
|
|
+ newX = this.originX - this.originX * that.lastScale + this.x,
|
|
|
+ newY = this.originY - this.originY * that.lastScale + this.y;
|
|
|
+
|
|
|
+ this.scroller.style[transform] = 'translate(' + newX + 'px,' + newY + 'px) scale(' + scale + ')' + translateZ;
|
|
|
+
|
|
|
+ if (that.options.onZoom) that.options.onZoom.call(that, e);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.pointX = point.pageX;
|
|
|
+ that.pointY = point.pageY;
|
|
|
+
|
|
|
+ // Slow down if outside of the boundaries
|
|
|
+ if (newX > 0 || newX < that.maxScrollX) {
|
|
|
+ newX = that.options.bounce ? that.x + (deltaX / 2) : newX >= 0 || that.maxScrollX >= 0 ? 0 : that.maxScrollX;
|
|
|
+ }
|
|
|
+ if (newY > that.minScrollY || newY < that.maxScrollY) {
|
|
|
+ newY = that.options.bounce ? that.y + (deltaY / 2) : newY >= that.minScrollY || that.maxScrollY >= 0 ? that.minScrollY : that.maxScrollY;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.distX += deltaX;
|
|
|
+ that.distY += deltaY;
|
|
|
+ that.absDistX = m.abs(that.distX);
|
|
|
+ that.absDistY = m.abs(that.distY);
|
|
|
+
|
|
|
+ if (that.absDistX < 6 && that.absDistY < 6) {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Lock direction
|
|
|
+ if (that.options.lockDirection) {
|
|
|
+ if (that.absDistX > that.absDistY + 5) {
|
|
|
+ newY = that.y;
|
|
|
+ deltaY = 0;
|
|
|
+ } else if (that.absDistY > that.absDistX + 5) {
|
|
|
+ newX = that.x;
|
|
|
+ deltaX = 0;
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ that.moved = true;
|
|
|
+ that._pos(newX, newY);
|
|
|
+ that.dirX = deltaX > 0 ? -1 : deltaX < 0 ? 1 : 0;
|
|
|
+ that.dirY = deltaY > 0 ? -1 : deltaY < 0 ? 1 : 0;
|
|
|
+
|
|
|
+ if (timestamp - that.startTime > 300) {
|
|
|
+ that.startTime = timestamp;
|
|
|
+ that.startX = that.x;
|
|
|
+ that.startY = that.y;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.options.onScrollMove) that.options.onScrollMove.call(that, e);
|
|
|
+ },
|
|
|
+
|
|
|
+ _end: function (e) {
|
|
|
+ if (hasTouch && e.touches.length !== 0) return;
|
|
|
+
|
|
|
+ var that = this,
|
|
|
+ point = hasTouch ? e.changedTouches[0] : e,
|
|
|
+ target, ev,
|
|
|
+ momentumX = { dist:0, time:0 },
|
|
|
+ momentumY = { dist:0, time:0 },
|
|
|
+ duration = (e.timeStamp || Date.now()) - that.startTime,
|
|
|
+ newPosX = that.x,
|
|
|
+ newPosY = that.y,
|
|
|
+ distX, distY,
|
|
|
+ newDuration,
|
|
|
+ snap,
|
|
|
+ scale;
|
|
|
+
|
|
|
+ that._unbind(MOVE_EV, window);
|
|
|
+ that._unbind(END_EV, window);
|
|
|
+ that._unbind(CANCEL_EV, window);
|
|
|
+
|
|
|
+ if (that.options.onBeforeScrollEnd) that.options.onBeforeScrollEnd.call(that, e);
|
|
|
+
|
|
|
+ if (that.zoomed) {
|
|
|
+ scale = that.scale * that.lastScale;
|
|
|
+ scale = Math.max(that.options.zoomMin, scale);
|
|
|
+ scale = Math.min(that.options.zoomMax, scale);
|
|
|
+ that.lastScale = scale / that.scale;
|
|
|
+ that.scale = scale;
|
|
|
+
|
|
|
+ that.x = that.originX - that.originX * that.lastScale + that.x;
|
|
|
+ that.y = that.originY - that.originY * that.lastScale + that.y;
|
|
|
+
|
|
|
+ that.scroller.style[transitionDuration] = '200ms';
|
|
|
+ that.scroller.style[transform] = 'translate(' + that.x + 'px,' + that.y + 'px) scale(' + that.scale + ')' + translateZ;
|
|
|
+
|
|
|
+ that.zoomed = false;
|
|
|
+ that.refresh();
|
|
|
+
|
|
|
+ if (that.options.onZoomEnd) that.options.onZoomEnd.call(that, e);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (!that.moved) {
|
|
|
+ if (hasTouch) {
|
|
|
+ if (that.doubleTapTimer && that.options.zoom) {
|
|
|
+ // Double tapped
|
|
|
+ clearTimeout(that.doubleTapTimer);
|
|
|
+ that.doubleTapTimer = null;
|
|
|
+ if (that.options.onZoomStart) that.options.onZoomStart.call(that, e);
|
|
|
+ that.zoom(that.pointX, that.pointY, that.scale == 1 ? that.options.doubleTapZoom : 1);
|
|
|
+ if (that.options.onZoomEnd) {
|
|
|
+ setTimeout(function() {
|
|
|
+ that.options.onZoomEnd.call(that, e);
|
|
|
+ }, 200); // 200 is default zoom duration
|
|
|
+ }
|
|
|
+ } else if (this.options.handleClick) {
|
|
|
+ that.doubleTapTimer = setTimeout(function () {
|
|
|
+ that.doubleTapTimer = null;
|
|
|
+
|
|
|
+ // Find the last touched element
|
|
|
+ target = point.target;
|
|
|
+ while (target.nodeType != 1) target = target.parentNode;
|
|
|
+
|
|
|
+ if (target.tagName != 'SELECT' && target.tagName != 'INPUT' && target.tagName != 'TEXTAREA') {
|
|
|
+ ev = doc.createEvent('MouseEvents');
|
|
|
+ ev.initMouseEvent('click', true, true, e.view, 1,
|
|
|
+ point.screenX, point.screenY, point.clientX, point.clientY,
|
|
|
+ e.ctrlKey, e.altKey, e.shiftKey, e.metaKey,
|
|
|
+ 0, null);
|
|
|
+ ev._fake = true;
|
|
|
+ target.dispatchEvent(ev);
|
|
|
+ }
|
|
|
+ }, that.options.zoom ? 250 : 0);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ that._resetPos(400);
|
|
|
+
|
|
|
+ if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (duration < 300 && that.options.momentum) {
|
|
|
+ momentumX = newPosX ? that._momentum(newPosX - that.startX, duration, -that.x, that.scrollerW - that.wrapperW + that.x, that.options.bounce ? that.wrapperW : 0) : momentumX;
|
|
|
+ momentumY = newPosY ? that._momentum(newPosY - that.startY, duration, -that.y, (that.maxScrollY < 0 ? that.scrollerH - that.wrapperH + that.y - that.minScrollY : 0), that.options.bounce ? that.wrapperH : 0) : momentumY;
|
|
|
+
|
|
|
+ newPosX = that.x + momentumX.dist;
|
|
|
+ newPosY = that.y + momentumY.dist;
|
|
|
+
|
|
|
+ if ((that.x > 0 && newPosX > 0) || (that.x < that.maxScrollX && newPosX < that.maxScrollX)) momentumX = { dist:0, time:0 };
|
|
|
+ if ((that.y > that.minScrollY && newPosY > that.minScrollY) || (that.y < that.maxScrollY && newPosY < that.maxScrollY)) momentumY = { dist:0, time:0 };
|
|
|
+ }
|
|
|
+
|
|
|
+ if (momentumX.dist || momentumY.dist) {
|
|
|
+ newDuration = m.max(m.max(momentumX.time, momentumY.time), 10);
|
|
|
+
|
|
|
+ // Do we need to snap?
|
|
|
+ if (that.options.snap) {
|
|
|
+ distX = newPosX - that.absStartX;
|
|
|
+ distY = newPosY - that.absStartY;
|
|
|
+ if (m.abs(distX) < that.options.snapThreshold && m.abs(distY) < that.options.snapThreshold) { that.scrollTo(that.absStartX, that.absStartY, 200); }
|
|
|
+ else {
|
|
|
+ snap = that._snap(newPosX, newPosY);
|
|
|
+ newPosX = snap.x;
|
|
|
+ newPosY = snap.y;
|
|
|
+ newDuration = m.max(snap.time, newDuration);
|
|
|
+ }
|
|
|
+ }
|
|
|
+
|
|
|
+ that.scrollTo(m.round(newPosX), m.round(newPosY), newDuration);
|
|
|
+
|
|
|
+ if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ // Do we need to snap?
|
|
|
+ if (that.options.snap) {
|
|
|
+ distX = newPosX - that.absStartX;
|
|
|
+ distY = newPosY - that.absStartY;
|
|
|
+ if (m.abs(distX) < that.options.snapThreshold && m.abs(distY) < that.options.snapThreshold) that.scrollTo(that.absStartX, that.absStartY, 200);
|
|
|
+ else {
|
|
|
+ snap = that._snap(that.x, that.y);
|
|
|
+ if (snap.x != that.x || snap.y != that.y) that.scrollTo(snap.x, snap.y, snap.time);
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ that._resetPos(200);
|
|
|
+ if (that.options.onTouchEnd) that.options.onTouchEnd.call(that, e);
|
|
|
+ },
|
|
|
+
|
|
|
+ _resetPos: function (time) {
|
|
|
+ var that = this,
|
|
|
+ resetX = that.x >= 0 ? 0 : that.x < that.maxScrollX ? that.maxScrollX : that.x,
|
|
|
+ resetY = that.y >= that.minScrollY || that.maxScrollY > 0 ? that.minScrollY : that.y < that.maxScrollY ? that.maxScrollY : that.y;
|
|
|
+
|
|
|
+ if (resetX == that.x && resetY == that.y) {
|
|
|
+ if (that.moved) {
|
|
|
+ that.moved = false;
|
|
|
+ if (that.options.onScrollEnd) that.options.onScrollEnd.call(that); // Execute custom code on scroll end
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.hScrollbar && that.options.hideScrollbar) {
|
|
|
+ if (vendor == 'webkit') that.hScrollbarWrapper.style[transitionDelay] = '300ms';
|
|
|
+ that.hScrollbarWrapper.style.opacity = '0';
|
|
|
+ }
|
|
|
+ if (that.vScrollbar && that.options.hideScrollbar) {
|
|
|
+ if (vendor == 'webkit') that.vScrollbarWrapper.style[transitionDelay] = '300ms';
|
|
|
+ that.vScrollbarWrapper.style.opacity = '0';
|
|
|
+ }
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.scrollTo(resetX, resetY, time || 0);
|
|
|
+ },
|
|
|
+
|
|
|
+ _wheel: function (e) {
|
|
|
+ var that = this,
|
|
|
+ wheelDeltaX, wheelDeltaY,
|
|
|
+ deltaX, deltaY,
|
|
|
+ deltaScale;
|
|
|
+
|
|
|
+ if ('wheelDeltaX' in e) {
|
|
|
+ wheelDeltaX = e.wheelDeltaX / 12;
|
|
|
+ wheelDeltaY = e.wheelDeltaY / 12;
|
|
|
+ } else if('wheelDelta' in e) {
|
|
|
+ wheelDeltaX = wheelDeltaY = e.wheelDelta / 12;
|
|
|
+ } else if ('detail' in e) {
|
|
|
+ wheelDeltaX = wheelDeltaY = -e.detail * 3;
|
|
|
+ } else {
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.options.wheelAction == 'zoom') {
|
|
|
+ deltaScale = that.scale * Math.pow(2, 1/3 * (wheelDeltaY ? wheelDeltaY / Math.abs(wheelDeltaY) : 0));
|
|
|
+ if (deltaScale < that.options.zoomMin) deltaScale = that.options.zoomMin;
|
|
|
+ if (deltaScale > that.options.zoomMax) deltaScale = that.options.zoomMax;
|
|
|
+
|
|
|
+ if (deltaScale != that.scale) {
|
|
|
+ if (!that.wheelZoomCount && that.options.onZoomStart) that.options.onZoomStart.call(that, e);
|
|
|
+ that.wheelZoomCount++;
|
|
|
+
|
|
|
+ that.zoom(e.pageX, e.pageY, deltaScale, 400);
|
|
|
+
|
|
|
+ setTimeout(function() {
|
|
|
+ that.wheelZoomCount--;
|
|
|
+ if (!that.wheelZoomCount && that.options.onZoomEnd) that.options.onZoomEnd.call(that, e);
|
|
|
+ }, 400);
|
|
|
+ }
|
|
|
+
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ deltaX = that.x + wheelDeltaX;
|
|
|
+ deltaY = that.y + wheelDeltaY;
|
|
|
+
|
|
|
+ if (deltaX > 0) deltaX = 0;
|
|
|
+ else if (deltaX < that.maxScrollX) deltaX = that.maxScrollX;
|
|
|
+
|
|
|
+ if (deltaY > that.minScrollY) deltaY = that.minScrollY;
|
|
|
+ else if (deltaY < that.maxScrollY) deltaY = that.maxScrollY;
|
|
|
+
|
|
|
+ if (that.maxScrollY < 0) {
|
|
|
+ that.scrollTo(deltaX, deltaY, 0);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ _transitionEnd: function (e) {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ if (e.target != that.scroller) return;
|
|
|
+
|
|
|
+ that._unbind(TRNEND_EV);
|
|
|
+
|
|
|
+ that._startAni();
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ *
|
|
|
+ * Utilities
|
|
|
+ *
|
|
|
+ */
|
|
|
+ _startAni: function () {
|
|
|
+ var that = this,
|
|
|
+ startX = that.x, startY = that.y,
|
|
|
+ startTime = Date.now(),
|
|
|
+ step, easeOut,
|
|
|
+ animate;
|
|
|
+
|
|
|
+ if (that.animating) return;
|
|
|
+
|
|
|
+ if (!that.steps.length) {
|
|
|
+ that._resetPos(400);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ step = that.steps.shift();
|
|
|
+
|
|
|
+ if (step.x == startX && step.y == startY) step.time = 0;
|
|
|
+
|
|
|
+ that.animating = true;
|
|
|
+ that.moved = true;
|
|
|
+
|
|
|
+ if (that.options.useTransition) {
|
|
|
+ that._transitionTime(step.time);
|
|
|
+ that._pos(step.x, step.y);
|
|
|
+ that.animating = false;
|
|
|
+ if (step.time) that._bind(TRNEND_EV);
|
|
|
+ else that._resetPos(0);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ animate = function () {
|
|
|
+ var now = Date.now(),
|
|
|
+ newX, newY;
|
|
|
+
|
|
|
+ if (now >= startTime + step.time) {
|
|
|
+ that._pos(step.x, step.y);
|
|
|
+ that.animating = false;
|
|
|
+ if (that.options.onAnimationEnd) that.options.onAnimationEnd.call(that); // Execute custom code on animation end
|
|
|
+ that._startAni();
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ now = (now - startTime) / step.time - 1;
|
|
|
+ easeOut = m.sqrt(1 - now * now);
|
|
|
+ newX = (step.x - startX) * easeOut + startX;
|
|
|
+ newY = (step.y - startY) * easeOut + startY;
|
|
|
+ that._pos(newX, newY);
|
|
|
+ if (that.animating) that.aniTime = nextFrame(animate);
|
|
|
+ };
|
|
|
+
|
|
|
+ animate();
|
|
|
+ },
|
|
|
+
|
|
|
+ _transitionTime: function (time) {
|
|
|
+ time += 'ms';
|
|
|
+ this.scroller.style[transitionDuration] = time;
|
|
|
+ if (this.hScrollbar) this.hScrollbarIndicator.style[transitionDuration] = time;
|
|
|
+ if (this.vScrollbar) this.vScrollbarIndicator.style[transitionDuration] = time;
|
|
|
+ },
|
|
|
+
|
|
|
+ _momentum: function (dist, time, maxDistUpper, maxDistLower, size) {
|
|
|
+ var deceleration = 0.0006,
|
|
|
+ speed = m.abs(dist) / time,
|
|
|
+ newDist = (speed * speed) / (2 * deceleration),
|
|
|
+ newTime = 0, outsideDist = 0;
|
|
|
+
|
|
|
+ // Proportinally reduce speed if we are outside of the boundaries
|
|
|
+ if (dist > 0 && newDist > maxDistUpper) {
|
|
|
+ outsideDist = size / (6 / (newDist / speed * deceleration));
|
|
|
+ maxDistUpper = maxDistUpper + outsideDist;
|
|
|
+ speed = speed * maxDistUpper / newDist;
|
|
|
+ newDist = maxDistUpper;
|
|
|
+ } else if (dist < 0 && newDist > maxDistLower) {
|
|
|
+ outsideDist = size / (6 / (newDist / speed * deceleration));
|
|
|
+ maxDistLower = maxDistLower + outsideDist;
|
|
|
+ speed = speed * maxDistLower / newDist;
|
|
|
+ newDist = maxDistLower;
|
|
|
+ }
|
|
|
+
|
|
|
+ newDist = newDist * (dist < 0 ? -1 : 1);
|
|
|
+ newTime = speed / deceleration;
|
|
|
+
|
|
|
+ return { dist: newDist, time: m.round(newTime) };
|
|
|
+ },
|
|
|
+
|
|
|
+ _offset: function (el) {
|
|
|
+ var left = -el.offsetLeft,
|
|
|
+ top = -el.offsetTop;
|
|
|
+
|
|
|
+ while (el = el.offsetParent) {
|
|
|
+ left -= el.offsetLeft;
|
|
|
+ top -= el.offsetTop;
|
|
|
+ }
|
|
|
+
|
|
|
+ if (el != this.wrapper) {
|
|
|
+ left *= this.scale;
|
|
|
+ top *= this.scale;
|
|
|
+ }
|
|
|
+
|
|
|
+ return { left: left, top: top };
|
|
|
+ },
|
|
|
+
|
|
|
+ _snap: function (x, y) {
|
|
|
+ var that = this,
|
|
|
+ i, l,
|
|
|
+ page, time,
|
|
|
+ sizeX, sizeY;
|
|
|
+
|
|
|
+ // Check page X
|
|
|
+ page = that.pagesX.length - 1;
|
|
|
+ for (i=0, l=that.pagesX.length; i<l; i++) {
|
|
|
+ if (x >= that.pagesX[i]) {
|
|
|
+ page = i;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (page == that.currPageX && page > 0 && that.dirX < 0) page--;
|
|
|
+ x = that.pagesX[page];
|
|
|
+ sizeX = m.abs(x - that.pagesX[that.currPageX]);
|
|
|
+ sizeX = sizeX ? m.abs(that.x - x) / sizeX * 500 : 0;
|
|
|
+ that.currPageX = page;
|
|
|
+
|
|
|
+ // Check page Y
|
|
|
+ page = that.pagesY.length-1;
|
|
|
+ for (i=0; i<page; i++) {
|
|
|
+ if (y >= that.pagesY[i]) {
|
|
|
+ page = i;
|
|
|
+ break;
|
|
|
+ }
|
|
|
+ }
|
|
|
+ if (page == that.currPageY && page > 0 && that.dirY < 0) page--;
|
|
|
+ y = that.pagesY[page];
|
|
|
+ sizeY = m.abs(y - that.pagesY[that.currPageY]);
|
|
|
+ sizeY = sizeY ? m.abs(that.y - y) / sizeY * 500 : 0;
|
|
|
+ that.currPageY = page;
|
|
|
+
|
|
|
+ // Snap with constant speed (proportional duration)
|
|
|
+ time = m.round(m.max(sizeX, sizeY)) || 200;
|
|
|
+
|
|
|
+ return { x: x, y: y, time: time };
|
|
|
+ },
|
|
|
+
|
|
|
+ _bind: function (type, el, bubble) {
|
|
|
+ (el || this.scroller).addEventListener(type, this, !!bubble);
|
|
|
+ },
|
|
|
+
|
|
|
+ _unbind: function (type, el, bubble) {
|
|
|
+ (el || this.scroller).removeEventListener(type, this, !!bubble);
|
|
|
+ },
|
|
|
+
|
|
|
+
|
|
|
+ /**
|
|
|
+ *
|
|
|
+ * Public methods
|
|
|
+ *
|
|
|
+ */
|
|
|
+ destroy: function () {
|
|
|
+ var that = this;
|
|
|
+
|
|
|
+ that.scroller.style[transform] = '';
|
|
|
+
|
|
|
+ // Remove the scrollbars
|
|
|
+ that.hScrollbar = false;
|
|
|
+ that.vScrollbar = false;
|
|
|
+ that._scrollbar('h');
|
|
|
+ that._scrollbar('v');
|
|
|
+
|
|
|
+ // Remove the event listeners
|
|
|
+ that._unbind(RESIZE_EV, window);
|
|
|
+ that._unbind(START_EV);
|
|
|
+ that._unbind(MOVE_EV, window);
|
|
|
+ that._unbind(END_EV, window);
|
|
|
+ that._unbind(CANCEL_EV, window);
|
|
|
+
|
|
|
+ if (!that.options.hasTouch) {
|
|
|
+ that._unbind('DOMMouseScroll');
|
|
|
+ that._unbind('mousewheel');
|
|
|
+ }
|
|
|
+
|
|
|
+ if (that.options.useTransition) that._unbind(TRNEND_EV);
|
|
|
+
|
|
|
+ if (that.options.checkDOMChanges) clearInterval(that.checkDOMTime);
|
|
|
+
|
|
|
+ if (that.options.onDestroy) that.options.onDestroy.call(that);
|
|
|
+ },
|
|
|
+
|
|
|
+ refresh: function () {
|
|
|
+ var that = this,
|
|
|
+ offset,
|
|
|
+ i, l,
|
|
|
+ els,
|
|
|
+ pos = 0,
|
|
|
+ page = 0;
|
|
|
+
|
|
|
+ if (that.scale < that.options.zoomMin) that.scale = that.options.zoomMin;
|
|
|
+ that.wrapperW = that.wrapper.clientWidth || 1;
|
|
|
+ that.wrapperH = that.wrapper.clientHeight || 1;
|
|
|
+
|
|
|
+ that.minScrollY = -that.options.topOffset || 0;
|
|
|
+ that.scrollerW = m.round(that.scroller.offsetWidth * that.scale);
|
|
|
+ that.scrollerH = m.round((that.scroller.offsetHeight + that.minScrollY) * that.scale);
|
|
|
+ that.maxScrollX = that.wrapperW - that.scrollerW;
|
|
|
+ that.maxScrollY = that.wrapperH - that.scrollerH + that.minScrollY;
|
|
|
+ that.dirX = 0;
|
|
|
+ that.dirY = 0;
|
|
|
+
|
|
|
+ if (that.options.onRefresh) that.options.onRefresh.call(that);
|
|
|
+
|
|
|
+ that.hScroll = that.options.hScroll && that.maxScrollX < 0;
|
|
|
+ that.vScroll = that.options.vScroll && (!that.options.bounceLock && !that.hScroll || that.scrollerH > that.wrapperH);
|
|
|
+
|
|
|
+ that.hScrollbar = that.hScroll && that.options.hScrollbar;
|
|
|
+ that.vScrollbar = that.vScroll && that.options.vScrollbar && that.scrollerH > that.wrapperH;
|
|
|
+
|
|
|
+ offset = that._offset(that.wrapper);
|
|
|
+ that.wrapperOffsetLeft = -offset.left;
|
|
|
+ that.wrapperOffsetTop = -offset.top;
|
|
|
+
|
|
|
+ // Prepare snap
|
|
|
+ if (typeof that.options.snap == 'string') {
|
|
|
+ that.pagesX = [];
|
|
|
+ that.pagesY = [];
|
|
|
+ els = that.scroller.querySelectorAll(that.options.snap);
|
|
|
+ for (i=0, l=els.length; i<l; i++) {
|
|
|
+ pos = that._offset(els[i]);
|
|
|
+ pos.left += that.wrapperOffsetLeft;
|
|
|
+ pos.top += that.wrapperOffsetTop;
|
|
|
+ that.pagesX[i] = pos.left < that.maxScrollX ? that.maxScrollX : pos.left * that.scale;
|
|
|
+ that.pagesY[i] = pos.top < that.maxScrollY ? that.maxScrollY : pos.top * that.scale;
|
|
|
+ }
|
|
|
+ } else if (that.options.snap) {
|
|
|
+ that.pagesX = [];
|
|
|
+ while (pos >= that.maxScrollX) {
|
|
|
+ that.pagesX[page] = pos;
|
|
|
+ pos = pos - that.wrapperW;
|
|
|
+ page++;
|
|
|
+ }
|
|
|
+ if (that.maxScrollX%that.wrapperW) that.pagesX[that.pagesX.length] = that.maxScrollX - that.pagesX[that.pagesX.length-1] + that.pagesX[that.pagesX.length-1];
|
|
|
+
|
|
|
+ pos = 0;
|
|
|
+ page = 0;
|
|
|
+ that.pagesY = [];
|
|
|
+ while (pos >= that.maxScrollY) {
|
|
|
+ that.pagesY[page] = pos;
|
|
|
+ pos = pos - that.wrapperH;
|
|
|
+ page++;
|
|
|
+ }
|
|
|
+ if (that.maxScrollY%that.wrapperH) that.pagesY[that.pagesY.length] = that.maxScrollY - that.pagesY[that.pagesY.length-1] + that.pagesY[that.pagesY.length-1];
|
|
|
+ }
|
|
|
+
|
|
|
+ // Prepare the scrollbars
|
|
|
+ that._scrollbar('h');
|
|
|
+ that._scrollbar('v');
|
|
|
+
|
|
|
+ if (!that.zoomed) {
|
|
|
+ that.scroller.style[transitionDuration] = '0';
|
|
|
+ that._resetPos(400);
|
|
|
+ }
|
|
|
+ },
|
|
|
+
|
|
|
+ scrollTo: function (x, y, time, relative) {
|
|
|
+ var that = this,
|
|
|
+ step = x,
|
|
|
+ i, l;
|
|
|
+
|
|
|
+ that.stop();
|
|
|
+
|
|
|
+ if (!step.length) step = [{ x: x, y: y, time: time, relative: relative }];
|
|
|
+
|
|
|
+ for (i=0, l=step.length; i<l; i++) {
|
|
|
+ if (step[i].relative) { step[i].x = that.x - step[i].x; step[i].y = that.y - step[i].y; }
|
|
|
+ that.steps.push({ x: step[i].x, y: step[i].y, time: step[i].time || 0 });
|
|
|
+ }
|
|
|
+
|
|
|
+ that._startAni();
|
|
|
+ },
|
|
|
+
|
|
|
+ scrollToElement: function (el, time) {
|
|
|
+ var that = this, pos;
|
|
|
+ el = el.nodeType ? el : that.scroller.querySelector(el);
|
|
|
+ if (!el) return;
|
|
|
+
|
|
|
+ pos = that._offset(el);
|
|
|
+ pos.left += that.wrapperOffsetLeft;
|
|
|
+ pos.top += that.wrapperOffsetTop;
|
|
|
+
|
|
|
+ pos.left = pos.left > 0 ? 0 : pos.left < that.maxScrollX ? that.maxScrollX : pos.left;
|
|
|
+ pos.top = pos.top > that.minScrollY ? that.minScrollY : pos.top < that.maxScrollY ? that.maxScrollY : pos.top;
|
|
|
+ time = time === undefined ? m.max(m.abs(pos.left)*2, m.abs(pos.top)*2) : time;
|
|
|
+
|
|
|
+ that.scrollTo(pos.left, pos.top, time);
|
|
|
+ },
|
|
|
+
|
|
|
+ scrollToPage: function (pageX, pageY, time) {
|
|
|
+ var that = this, x, y;
|
|
|
+
|
|
|
+ time = time === undefined ? 400 : time;
|
|
|
+
|
|
|
+ if (that.options.onScrollStart) that.options.onScrollStart.call(that);
|
|
|
+
|
|
|
+ if (that.options.snap) {
|
|
|
+ pageX = pageX == 'next' ? that.currPageX+1 : pageX == 'prev' ? that.currPageX-1 : pageX;
|
|
|
+ pageY = pageY == 'next' ? that.currPageY+1 : pageY == 'prev' ? that.currPageY-1 : pageY;
|
|
|
+
|
|
|
+ pageX = pageX < 0 ? 0 : pageX > that.pagesX.length-1 ? that.pagesX.length-1 : pageX;
|
|
|
+ pageY = pageY < 0 ? 0 : pageY > that.pagesY.length-1 ? that.pagesY.length-1 : pageY;
|
|
|
+
|
|
|
+ that.currPageX = pageX;
|
|
|
+ that.currPageY = pageY;
|
|
|
+ x = that.pagesX[pageX];
|
|
|
+ y = that.pagesY[pageY];
|
|
|
+ } else {
|
|
|
+ x = -that.wrapperW * pageX;
|
|
|
+ y = -that.wrapperH * pageY;
|
|
|
+ if (x < that.maxScrollX) x = that.maxScrollX;
|
|
|
+ if (y < that.maxScrollY) y = that.maxScrollY;
|
|
|
+ }
|
|
|
+
|
|
|
+ that.scrollTo(x, y, time);
|
|
|
+ },
|
|
|
+
|
|
|
+ disable: function () {
|
|
|
+ this.stop();
|
|
|
+ this._resetPos(0);
|
|
|
+ this.enabled = false;
|
|
|
+
|
|
|
+ // If disabled after touchstart we make sure that there are no left over events
|
|
|
+ this._unbind(MOVE_EV, window);
|
|
|
+ this._unbind(END_EV, window);
|
|
|
+ this._unbind(CANCEL_EV, window);
|
|
|
+ },
|
|
|
+
|
|
|
+ enable: function () {
|
|
|
+ this.enabled = true;
|
|
|
+ },
|
|
|
+
|
|
|
+ stop: function () {
|
|
|
+ if (this.options.useTransition) this._unbind(TRNEND_EV);
|
|
|
+ else cancelFrame(this.aniTime);
|
|
|
+ this.steps = [];
|
|
|
+ this.moved = false;
|
|
|
+ this.animating = false;
|
|
|
+ },
|
|
|
+
|
|
|
+ zoom: function (x, y, scale, time) {
|
|
|
+ var that = this,
|
|
|
+ relScale = scale / that.scale;
|
|
|
+
|
|
|
+ if (!that.options.useTransform) return;
|
|
|
+
|
|
|
+ that.zoomed = true;
|
|
|
+ time = time === undefined ? 200 : time;
|
|
|
+ x = x - that.wrapperOffsetLeft - that.x;
|
|
|
+ y = y - that.wrapperOffsetTop - that.y;
|
|
|
+ that.x = x - x * relScale + that.x;
|
|
|
+ that.y = y - y * relScale + that.y;
|
|
|
+
|
|
|
+ that.scale = scale;
|
|
|
+ that.refresh();
|
|
|
+
|
|
|
+ that.x = that.x > 0 ? 0 : that.x < that.maxScrollX ? that.maxScrollX : that.x;
|
|
|
+ that.y = that.y > that.minScrollY ? that.minScrollY : that.y < that.maxScrollY ? that.maxScrollY : that.y;
|
|
|
+
|
|
|
+ that.scroller.style[transitionDuration] = time + 'ms';
|
|
|
+ that.scroller.style[transform] = 'translate(' + that.x + 'px,' + that.y + 'px) scale(' + scale + ')' + translateZ;
|
|
|
+ that.zoomed = false;
|
|
|
+ },
|
|
|
+
|
|
|
+ isReady: function () {
|
|
|
+ return !this.moved && !this.zoomed && !this.animating;
|
|
|
+ }
|
|
|
+};
|
|
|
+
|
|
|
+function prefixStyle (style) {
|
|
|
+ if ( vendor === '' ) return style;
|
|
|
+
|
|
|
+ style = style.charAt(0).toUpperCase() + style.substr(1);
|
|
|
+ return vendor + style;
|
|
|
+}
|
|
|
+
|
|
|
+dummyStyle = null; // for the sake of it
|
|
|
+
|
|
|
+if (typeof exports !== 'undefined') exports.iScroll = iScroll;
|
|
|
+else window.iScroll = iScroll;
|
|
|
+
|
|
|
+})(window, document);
|