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lib.js
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/* touch.js */
(function(e){function v(a,c,d,e){return Math.abs(a-c)>=Math.abs(d-e)?0<a-c?"Left":"Right":0<d-e?"Up":"Down"}function w(){c=null;a.last&&(a.el.trigger("longTap"),a={})}function r(){d&&clearTimeout(d);k&&clearTimeout(k);l&&clearTimeout(l);c&&clearTimeout(c);d=k=l=c=null;a={}}function t(a){return("touch"==a.pointerType||a.pointerType==a.MSPOINTER_TYPE_TOUCH)&&a.isPrimary}function u(a,c){return a.type=="pointer"+c||a.type.toLowerCase()=="mspointer"+c}var a={},d,k,l,c,m;e(document).ready(function(){var h,
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function(c){return this.on(a,c)}})})(Zepto),
/* gesture.js */
function(t){function i(t){return"tagName"in t?t:t.parentNode}if(t.os.ios){var n,e={};t(document).bind("gesturestart",function(t){{var r=Date.now();
r-(e.last||r)}e.target=i(t.target),n&&clearTimeout(n),e.e1=t.scale,e.last=r}).bind("gesturechange",function(t){e.e2=t.scale}).bind("gestureend",function(){e.e2>0?(0!=Math.abs(e.e1-e.e2)&&t(e.target).trigger("pinch")&&t(e.target).trigger("pinch"+(e.e1-e.e2>0?"In":"Out")),e.e1=e.e2=e.last=0):"last"in e&&(e={})}),["pinch","pinchIn","pinchOut"].forEach(function(e){t.fn[e]=function(t){return this.bind(e,t)}})}}(Zepto);
/* Callbacks.js */
(function(f){f.Callbacks=function(g){g=f.extend({},g);var e,n,l,p,h,k,a=[],c=!g.once&&[],q=function(b){e=g.memory&&b;n=!0;k=p||0;p=0;h=a.length;for(l=!0;a&&k<h;++k)if(!1===a[k].apply(b[0],b[1])&&g.stopOnFalse){e=!1;break}l=!1;a&&(c?c.length&&q(c.shift()):e?a.length=0:m.disable())},m={add:function(){if(a){var b=a.length,d=function(b){f.each(b,function(b,c){"function"===typeof c?g.unique&&m.has(c)||a.push(c):c&&c.length&&"string"!==typeof c&&d(c)})};d(arguments);l?h=a.length:e&&(p=b,q(e))}return this},
remove:function(){a&&f.each(arguments,function(c,d){for(var b;-1<(b=f.inArray(d,a,b));)a.splice(b,1),l&&(b<=h&&--h,b<=k&&--k)});return this},has:function(b){return!!(a&&(b?-1<f.inArray(b,a):a.length))},empty:function(){h=a.length=0;return this},disable:function(){a=c=e=void 0;return this},disabled:function(){return!a},lock:function(){c=void 0;e||m.disable();return this},locked:function(){return!c},fireWith:function(b,d){!a||n&&!c||(d=d||[],d=[b,d.slice?d.slice():d],l?c.push(d):q(d));return this},
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/* deferred.js */
(function(c){function k(e){var d=[["resolve","done",c.Callbacks({once:1,memory:1}),"resolved"],["reject","fail",c.Callbacks({once:1,memory:1}),"rejected"],["notify","progress",c.Callbacks({memory:1})]],g="pending",f={state:function(){return g},always:function(){a.done(arguments).fail(arguments);return this},then:function(){var h=arguments;return k(function(b){c.each(d,function(d,g){var e=c.isFunction(h[d])&&h[d];a[g[1]](function(){var a=e&&e.apply(this,arguments);if(a&&c.isFunction(a.promise))a.promise().done(b.resolve).fail(b.reject).progress(b.notify);
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/* tpl.js from https://github.com/frozenui/ modified by xiaogezi */
(function($){
$.tpl = function (str, data, env) {
// 判断str参数，如str为script标签的id，则取该标签的innerHTML，再递归调用自身
// 如str为HTML文本，则分析文本并构造渲染函数
if(!/[^\w\-\.:]/.test(str)){
str = document.getElementById(str).innerHTML;
}
var fn = function (data, env) {
var i, variable = [], value = []; // variable数组存放变量名，对应data结构的成员变量；value数组存放各变量的值
for (i in data) {
var val = data[i];
variable.push(i);
value.push(val);
}
return (new Function(variable, fn.code))
.apply(env || data, value); // 此处的new Function是由下面fn.code产生的渲染函数；执行后即返回渲染结果HTML
};
fn.code = fn.code || "var $parts=[]; $parts.push('"
+ str
.replace(/\\/g, '\\\\') // 处理模板中的\转义
.replace(/[\r\t\n]/g, " ") // 去掉换行符和tab符，将模板合并为一行
.split("<%").join("\t") // 将模板左标签<%替换为tab，起到分割作用
.replace(/\t=\?(.*?)%>/g, function(match, $1){ // 将模板中<%=? %> 替换成“ xxx="yyy"”，如果 xxx 存在，则在前添加空格。
if(data.hasOwnProperty($1)){
return "'," + "' ' + " + $1 + ",'";
}
return '';
})
.replace(/\t=(.*?)%>/g, function(match, $1){ // 将模板中<%= %>的直接数据引用（无逻辑代码）与两侧的文本用'和,隔开，同时去掉了左标签产生的tab符
if(data.hasOwnProperty($1)){
return "'," + $1 + ",'";
}
return '';
})
.replace(/\t=(.*?)%>/g, "',this.$1||'','") // 将模板中<%= %>的直接数据引用（无逻辑代码）与两侧的文本用'和,隔开，同时去掉了左标签产生的tab符
.split("\t").join("');") // 将tab符（上面替换左标签产生）替换为'); 由于上一步已经把<%=产生的tab符去掉，因此这里实际替换的只有逻辑代码的左标签
.split("%>").join("$parts.push('") // 把剩下的右标签%>（逻辑代码的）替换为"$parts.push('"
+ "'); return $parts.join('');"; // 最后得到的就是一段JS代码，保留模板中的逻辑，并依次把模板中的常量和变量压入$parts数组
return data ? fn(data, env) : fn; // 如果传入了数据，则直接返回渲染结果HTML文本，否则返回一个渲染函数
};
})(Zepto);
// Zepto.js
// (c) 2010-2016 Thomas Fuchs
// Zepto.js may be freely distributed under the MIT license.
; (function ($) {
var zepto = $.zepto, oldQsa = zepto.qsa, oldMatches = zepto.matches
function visible(elem) {
elem = $(elem)
return !!(elem.width() || elem.height()) && elem.css("display") !== "none"
}
// Implements a subset from:
// http://api.jquery.com/category/selectors/jquery-selector-extensions/
//
// Each filter function receives the current index, all nodes in the
// considered set, and a value if there were parentheses. The value
// of `this` is the node currently being considered. The function returns the
// resulting node(s), null, or undefined.
//
// Complex selectors are not supported:
// li:has(label:contains("foo")) + li:has(label:contains("bar"))
// ul.inner:first > li
var filters = $.expr[':'] = {
visible: function () { if (visible(this)) return this },
hidden: function () { if (!visible(this)) return this },
selected: function () { if (this.selected) return this },
checked: function () { if (this.checked) return this },
parent: function () { return this.parentNode },
first: function (idx) { if (idx === 0) return this },
last: function (idx, nodes) { if (idx === nodes.length - 1) return this },
eq: function (idx, _, value) { if (idx === value) return this },
contains: function (idx, _, text) { if ($(this).text().indexOf(text) > -1) return this },
has: function (idx, _, sel) { if (zepto.qsa(this, sel).length) return this }
}
var filterRe = new RegExp('(.*):(\\w+)(?:\\(([^)]+)\\))?$\\s*'),
childRe = /^\s*>/,
classTag = 'Zepto' + (+new Date())
function process(sel, fn) {
// quote the hash in `a[href^=#]` expression
sel = sel.replace(/=#\]/g, '="#"]')
var filter, arg, match = filterRe.exec(sel)
if (match && match[2] in filters) {
filter = filters[match[2]], arg = match[3]
sel = match[1]
if (arg) {
var num = Number(arg)
if (isNaN(num)) arg = arg.replace(/^["']|["']$/g, '')
else arg = num
}
}
return fn(sel, filter, arg)
}
zepto.qsa = function (node, selector) {
return process(selector, function (sel, filter, arg) {
try {
var taggedParent
if (!sel && filter) sel = '*'
else if (childRe.test(sel))
// support "> *" child queries by tagging the parent node with a
// unique class and prepending that classname onto the selector
taggedParent = $(node).addClass(classTag), sel = '.' + classTag + ' ' + sel
var nodes = oldQsa(node, sel)
} catch (e) {
console.error('error performing selector: %o', selector)
throw e
} finally {
if (taggedParent) taggedParent.removeClass(classTag)
}
return !filter ? nodes :
zepto.uniq($.map(nodes, function (n, i) { return filter.call(n, i, nodes, arg) }))
})
}
zepto.matches = function (node, selector) {
return process(selector, function (sel, filter, arg) {
return (!sel || oldMatches(node, sel)) &&
(!filter || filter.call(node, null, arg) === node)
})
}
})(Zepto)
/*! VelocityJS.org (1.2.2). (C) 2014 Julian Shapiro. MIT @license: en.wikipedia.org/wiki/MIT_License */
/*! VelocityJS.org jQuery Shim (1.0.1). (C) 2014 The jQuery Foundation. MIT @license: en.wikipedia.org/wiki/MIT_License. */
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/*
* Lazy Load - jQuery plugin for lazy loading images
*
* Copyright (c) 2007-2013 Mika Tuupola
*
* Licensed under the MIT license:
* http://www.opensource.org/licenses/mit-license.php
*
* Project home:
* http://www.appelsiini.net/projects/lazyload
*
* Version: 1.8.6
* Modified by xiaogezi v1.5.0
*
*/
(function ($, window, document, undefined) {
var $window = $(window);
$.fn.lazyload = function (options) {
var elements = this;
var $container;
var settings = {
threshold: 0, // 设置一个值，表示元素距离底部的距离时，触发lazyload
failure_limit: 0,
event: "scroll", // 默认绑定 scroll 事件
effect: "show", // 默认使用 show 效果
container: window, // 用于lazyload的父容器
data_attribute: "src",
skip_invisible: true,
skip_above: true, // 是否跳过滚动条上方的元素，比如在页面中部或底部刷新时，页面上方的内容是否加载。设置为 false 则为加载
remove_attribute: false,
appear: null,
load: null, // lazyload 触发后的回调
update: false, // 是否立即渲染可见区域的 lazyload
placeholder: "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC"
};
function update() {
var counter = 0;
elements.each(function () {
var $this = $(this);
if (settings.skip_invisible && $this.css("display") === "none") {
return;
}
if ($.abovethetop(this, settings) ||
$.leftofbegin(this, settings)) {
/* Nothing. */
!settings.skip_above && $this.trigger("appear");
} else if (!$.belowthefold(this, settings) &&
!$.rightoffold(this, settings)) {
$this.trigger("appear");
/* if we found an image we'll load, reset the counter */
counter = 0;
} else {
if (++counter > settings.failure_limit) {
return false;
}
}
});
}
if (options) {
/* Maintain BC for a couple of versions. */
if (undefined !== options.failurelimit) {
options.failure_limit = options.failurelimit;
delete options.failurelimit;
}
if (undefined !== options.effectspeed) {
options.effect_speed = options.effectspeed;
delete options.effectspeed;
}
$.extend(settings, options);
}
/* Cache container as jQuery as object. */
$container = (settings.container === undefined ||
settings.container === window) ? $window : $(settings.container);
/* Fire one scroll event per scroll. Not one scroll event per image. */
if (0 === settings.event.indexOf("scroll")) {
$container.on(settings.event, function (event) {
return update();
});
}
this.each(function () {
var self = this;
var $self = $(self);
self.loaded = false;
/* If no src attribute given use data:uri. */
if ($self.attr("src") === undefined || $self.attr("src") === false) {
if ($self.is("img")) {
$self.attr("src", settings.placeholder);
}
}
/* When appear is triggered load original image. */
$self.one("appear", function () {
if (!this.loaded) {
if (settings.appear) {
var elements_left = elements.length;
settings.appear.call(self, elements_left, settings);
}
if (!$self.is('[data-class]')) { //xiaogezi
var original = $self.data(settings.data_attribute);
$("<img />")
.on("load", function () {
settings.effect !== false && $self.hide()
if ($self.is("img")) {
$self.attr("src", original);
} else {
$self.css('background-image', 'url(' + original + ')');
}
var fn = $self[settings.effect];
fn && fn(settings.effect_speed);
self.loaded = true;
$self.trigger('appeared');
settings.remove_attribute && $self.removeAttr('data-src');
/* Remove image from array so it is not looped next time. */
var temp = $.grep(elements, function (element) {
return !element.loaded;
});
elements = $(temp);
if (settings.load) {
var elements_left = elements.length;
settings.load.call(self, elements_left, settings);
}
})
.attr("src", original);
} else { //xiaogezi
var cssclass = $self.data('class');
settings.effect == 'hide' && $self.hide();
$self.addClass(cssclass);
settings.remove_attribute && $self.removeAttr('data-class');
self.loaded = true;
$self.trigger('appeared');
/* Remove image from array so it is not looped next time. */
var temp = $.grep(elements, function (element) {
return !element.loaded;
});
elements = $(temp);
if (settings.load) {
var elements_left = elements.length;
settings.load.call(self, elements_left, settings);
}
}
}
});
/* When wanted event is triggered load original image */
/* by triggering appear. */
if (0 !== settings.event.indexOf("scroll")) {
$self.on(settings.event, function (event) {
if (!self.loaded) {
$self.trigger("appear");
}
});
}
});
/* Check if something appears when window is resized. */
$window.on("resize", function (event) {
update();
});
/* With IOS5 force loading images when navigating with back button. */
/* Non optimal workaround. */
if ((/iphone|ipod|ipad.*os 5/gi).test(navigator.appVersion)) {
$window.on("pageshow", function (event) {
// if (event.originalEvent.persisted) {
event = event.originalEvent || event;
if (event.persisted) {
elements.each(function () {
$(this).trigger("appear");
});
}
});
}
/* Force initial check if images should appear. */
$(window).on("load", function () {
update();
});
settings.update && update(); // 异步加载后，立即更新
return this;
};
/* Convenience methods in jQuery namespace. */
/* Use as $.belowthefold(element, {threshold : 100, container : window}) */
$.belowthefold = function (element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.height() + $window[0].scrollY;
} else {
fold = $(settings.container).offset().top + $(settings.container).height();
}
return fold <= $(element).offset().top - settings.threshold;
};
$.rightoffold = function (element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window.width() + $window[0].scrollX;
} else {
fold = $(settings.container).offset().left + $(settings.container).width();
}
return fold <= $(element).offset().left - settings.threshold;
};
$.abovethetop = function (element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window[0].scrollY;
} else {
fold = $(settings.container).offset().top;
}
return fold >= $(element).offset().top + settings.threshold + $(element).height();
};
$.leftofbegin = function (element, settings) {
var fold;
if (settings.container === undefined || settings.container === window) {
fold = $window[0].scrollX;
} else {
fold = $(settings.container).offset().left;
}
return fold >= $(element).offset().left + settings.threshold + $(element).width();
};
$.inviewport = function (element, settings) {
return !$.rightoffold(element, settings) && !$.leftofbegin(element, settings) &&
!$.belowthefold(element, settings) && !$.abovethetop(element, settings);
};
/* Custom selectors for your convenience. */
/* Use as $("img:below-the-fold").something() or */
/* $("img").filter(":below-the-fold").something() which is faster */
$.extend($.fn, {
"below-the-fold": function (a) { return $.belowthefold(a, { threshold: 0 }); },
"above-the-top": function (a) { return !$.belowthefold(a, { threshold: 0 }); },
"right-of-screen": function (a) { return $.rightoffold(a, { threshold: 0 }); },
"left-of-screen": function (a) { return !$.rightoffold(a, { threshold: 0 }); },
"in-viewport": function (a) { return $.inviewport(a, { threshold: 0 }); },
/* Maintain BC for couple of versions. */
"above-the-fold": function (a) { return !$.belowthefold(a, { threshold: 0 }); },
"right-of-fold": function (a) { return $.rightoffold(a, { threshold: 0 }); },
"left-of-fold": function (a) { return !$.rightoffold(a, { threshold: 0 }); }
});
})(window.Zepto || window.jQuery, window, document);
/**
* Design platform global page animation
* Author: Sandyxjiang
* Date: 2017/06/16
* version 1.0
*/
/* 用于动态加入的元素的动画初始化 */
window.scrollShowAnimation = new Event('scrollShowAnimation');
window.defaultShowAnimation = new Event('defaultShowAnimation');
/* 入场动画 */
function ScrollAnimation(opts) {
var that = this;
//默认动画参数，可以通过初始化传入
this.defaults = {
scrollElement: document,
//navigator slidein animation
slide: {
max: 180,
min: 80,
animateItem: 'navigator'
},
// show-animate-item animation
show: {
animateItem: 'show-animate-item',
animClass: 'showup',
animedClass: 'showed',
animingClass: 'showing',
durTime: 0.4,
delayTime: 0.2,
eachDelayTime: 0.1,
timingFunction: 'ease-out',
animDiffHeight: 80
},
// fade-animate-item animation
fade: {
animateItem: 'fade-animate-item',
animClass: 'fadein',
animedClass: 'faded',
animingClass: 'fading',
durTime: 0.4,
delayTime: 0.2,
eachDelayTime: 0.1,
timingFunction: 'ease-out',
animDiffHeight: 80
}
};
this.Index = 1;
this.scrollAction = { x: 'undefined', y: 'undefined' },
this.scrollDirection,
/* 判断鼠标滚动方向 */
this.updateScrollDirection = function () {
if (typeof this.scrollAction.x == 'undefined') {
this.scrollAction.x = window.pageXOffset;
this.scrollAction.y = window.pageYOffset;
}
var diffX = this.scrollAction.x - window.pageXOffset;
var diffY = this.scrollAction.y - window.pageYOffset;
if (diffX < 0) {
this.scrollDirection = 'right';
} else if (diffX > 0) {
this.scrollDirection = 'left';
} else if (diffY < 0) {
this.scrollDirection = 'down';
} else if (diffY > 0) {
this.scrollDirection = 'up';
}
this.scrollAction.x = window.pageXOffset;
this.scrollAction.y = window.pageYOffset;
},
/**
* navigator入场时滑下动画
*/
this.slidein = function (el) {
el.parentNode.style = 'display:initial;';
el.style.transform = 'translate3d(0,0,0)';
};
this.slideout = function (el) {
el.style.transform = 'translate3d(0,-' + that.defaults.slide.max + 'px,0)';
el.parentNode.style = 'display:none;';
};
/**
* scroll的时候，nav高度变低到opts.min
*/
this.slideup = function (el, opts, eventType) {
var scrollTop = this.getScrollY();
// var isuxIcon = document.getElementsByClassName('js-nav-isux')[0];
// 滚动到顶部的时候，全logo
// if(scrollTop == 0){
// isuxIcon.style.opacity = 1;
// }else{
// // 其他时候都是只有菊花
// isuxIcon.style.opacity = 0;
// }
if (scrollTop < Number(opts.max - opts.min)) {
el.style.height = Number(opts.max - scrollTop) + 'px';
} else {
el.style.height = opts.min + 'px';
if (scrollTop > opts.max) {
/* 在resize的时候，如果 scrollTop > opts.max ，则不进行 slidein 动画 */
if (eventType == 'scroll') {
/* up scroll show navigator */
if (this.scrollDirection == 'up') {
this.slidein(el);
} else {
this.slideout(el);
}
}
/* resize的时候，持续保持 header slideout */
if (eventType == 'resize') {
this.slideout(el);
}
}
}
};
/**
* 获取页面滚动高度
*/
this.getScrollY = function () {
if (this.defaults.scrollElement == document) {
return window.scrollY;
} else {
return this.defaults.scrollElement.scrollTop;
}
};
/**
* 获取屏幕的高度
*/
this.getDocumentHeight = function () {
if (this.defaults.scrollElement == document) {
return document.documentElement.clientHeight;
} else {
return (this.getElPos(this.defaults.scrollElement).bottom - this.getElPos(this.defaults.scrollElement).top);
}
};
/**
* 获取屏幕的宽度
*/
this.getDocumentWidth = function () {
return document.documentElement.clientWidth;
};
/**
* 获取el的BoundingClientRect
*/
this.getElPos = function (el) {
return el.getBoundingClientRect();
};
this.removeClass = function (el, classname) {
var classArr = classname.split(' ');
for (var i = 0; i < classArr.length; i++) {
el.className = el.className.replace(classArr[i], '');
}
};
/**
* check 元素是否在屏幕可视范围内
* 在刚进入页面时需要判断 => add opts.animingClass for default animation elements, diffHeight == 0;
* 在滚动页面时也需要判断 => add opts.animClass for showing elements on scroll, diffHeight == 80;增强滚动时的视觉效果
*/
this.checkAnimingPos = function (el, diffHeight) {
var toTop = 0;
if (this.defaults.scrollElement == document) {
toTop = this.getElPos(el).top;
} else {
toTop = this.getElPos(el).top - this.getElPos(this.defaults.scrollElement).top;
}
if (toTop < this.getDocumentHeight() - diffHeight) {
return true;
} else {
return false;
}
};
/**
* check 元素是否在屏幕可视范围之上,视为已经展示过了，不需要再逐个展示
*/
this.checkAnimedPos = function (el) {
var toBottom = 0;
if (this.defaults.scrollElement == document) {
toBottom = this.getElPos(el).bottom;
} else {
toBottom = this.getElPos(el).bottom - this.getElPos(this.defaults.scrollElement).top;
}
//元素整体在都可视范围之上
if (this.getElPos(el).bottom <= 0) {
return true;
} else {
return false;
}
};
/**
* 获取导航元素 js-nav-state
*/
this.getNavEl = function (opts) {
return document.getElementById(opts.animateItem);
};
/**
* 获取onscroll-animation的元素集合
* 不同的动画show || fade
* 获取不同的animate-items
*/
this.getAnimateEls = function (opts) {
return that.defaults.scrollElement.getElementsByClassName(opts.animateItem);
};
/**
* 初始化 可视范围内 & 之上 => opts.animed & opts.animing
*/
this.defaultAnimation = function (animEls, opts) {
var curDelayTime = opts.delayTime;
Array.prototype.forEach.call(animEls, function (element, idx) {
//如果是在screen可视范围之上，则直接增加opts.animed class
if (this.checkAnimedPos(element)) {
element.classList.add(opts.animedClass);
this.removeClass(element, this.defaults.show.animateItem + " " + this.defaults.show.animClass + " " + this.defaults.fade.animateItem + " " + this.defaults.fade.animClass);
} else if (this.checkAnimingPos(element, 0)) {
//如果是在screen可视范围内，则直接增加 opts.animing class
/* clip 动效 */
var clipItems = this.getClipItems(element);
this.calcClipRect(clipItems);
/* showup 动效 和 clip 动效 */
/* 特殊处理首页 index(1开始) 为 5,6 的顺序 */
if (element.getAttribute('data-home-index') == "5") {
curDelayTime += opts.eachDelayTime;
// clip 动效
if (clipItems.length) {
clipItems.forEach(function (item) {
item.style.clip = 'clip:rect(0px,0px,0px,0px)';
item.style.webkitClip = '-webkit-clip:rect(0px,0px,0px,0px)';
item.style.animation = 'showclip' + this.Index + ' ' + opts.durTime + 's' + ' ' + Number(curDelayTime + opts.eachDelayTime) + 's' + ' forwards cubic-bezier(0,.3,.6,1)';
item.style.webkitAnimation = 'showclip' + this.Index + ' ' + opts.durTime + 's' + ' ' + Number(curDelayTime + opts.eachDelayTime) + 's' + ' forwards cubic-bezier(0,.3,.6,1)';
}, this);
this.Index++;
}
element.style.animation = opts.animClass + " " + opts.durTime + "s " + (curDelayTime + opts.eachDelayTime) + "s forwards " + opts.timingFunction;
element.style.webkitAnimation = opts.animClass + " " + opts.durTime + "s " + (curDelayTime + opts.eachDelayTime) + "s forwards " + opts.timingFunction;
} else if (element.getAttribute('data-home-index') == "6") {
// clip 动效
if (clipItems.length) {
clipItems.forEach(function (item) {
item.style.clip = 'clip:rect(0px,0px,0px,0px)';
item.style.webkitClip = '-webkit-clip:rect(0px,0px,0px,0px)';
item.style.animation = "showclip" + this.Index + " " + opts.durTime + "s " + (curDelayTime - opts.eachDelayTime) + "s forwards cubic-bezier(0,.3,.6,1)";
item.style.webkitAnimation = "showclip" + this.Index + " " + opts.durTime + "s " + (curDelayTime - opts.eachDelayTime) + "s forwards cubic-bezier(0,.3,.6,1)";
}, this);
this.Index++;
}
element.style.animation = opts.animClass + " " + opts.durTime + "s " + (curDelayTime - opts.eachDelayTime) + "s forwards " + opts.timingFunction;
element.style.webkitAnimation = opts.animClass + " " + opts.durTime + "s " + (curDelayTime - opts.eachDelayTime) + "s forwards " + opts.timingFunction;
curDelayTime += opts.eachDelayTime;
} else {
if (clipItems.length) {
clipItems.forEach(function (item) {
item.style.clip = 'clip:rect(0px,0px,0px,0px)';
item.style.webkitClip = '-webkit-clip:rect(0px,0px,0px,0px)';
item.style.animation = "showclip" + this.Index + " " + opts.durTime + "s " + curDelayTime + "s forwards cubic-bezier(0,.3,.6,1)";;
item.style.webkitAnimation = "showclip" + this.Index + " " + opts.durTime + "s " + curDelayTime + "s forwards cubic-bezier(0,.3,.6,1)";;
}, this);
this.Index++;
}
element.style.animation = opts.animClass + " " + opts.durTime + "s " + curDelayTime + "s forwards " + opts.timingFunction;
element.style.webkitAnimation = opts.animClass + " " + opts.durTime + "s " + curDelayTime + "s forwards " + opts.timingFunction;
curDelayTime += opts.eachDelayTime;
}
element.addEventListener('animationend', this.animationendHandler, false);
element.addEventListener('webkitAnimationEnd', this.animationendHandler, false);
}
}, this);
};
/**
* animation for show-animate-item & fade-animate-item on scrolling
*/
this.scrollAnimate = function (els, opts) {
/* anim, animed, animing分别代表，可视范围之下的加载，可视范围之上的加载，可视范围之内的加载 */
Array.prototype.forEach.call(els, function (element) {
var defaultAniming = (element.classList).toString().includes(opts.animingClass);
var animed = (element.classList).toString().includes(opts.animedClass);
if (this.checkAnimingPos(element, opts.animDiffHeight) && !defaultAniming && !animed) {
if (!element.classList.contains(opts.animClass)) {
element.classList.add(opts.animClass);
/* clip 动效 */
var clipItems = this.getClipItems(element);
this.calcClipRect(clipItems);
clipItems.forEach(function (item) {
/* 避免手机端首屏图片，在还未加载完时，触发了滚动，导致showclip属性错乱 */
/* 要准确检测style里面是否有showclip */
if ( item.getAttribute('style') == null ) {
item.classList.add('showclip' + this.Index);
item.setAttribute('data-clipclass', 'showclip' + this.Index);
}else if( item.getAttribute('style').indexOf('showclip') == -1 ){
item.classList.add('showclip' + this.Index);
item.setAttribute('data-clipclass', 'showclip' + this.Index);
}
}, this);
this.Index++;
element.addEventListener('animationend', this.animationendHandler, false);
element.addEventListener('webkitAnimationEnd', this.animationendHandler, false);
}
}
}, this);
};
this.getClipItems = function (element) {
return [].slice.call(element.querySelectorAll('.clip-animate-item'));
}
/* 计算 clip rect 的宽高 */
this.calcClipRect = function (clipItems) {
if (clipItems.length) {
var rect = clipItems[0].parentNode.getBoundingClientRect();
if (rect.right - rect.left == 0) {
rect = clipItems[0].parentNode.parentNode.getBoundingClientRect();
}
var width = rect.right - rect.left,
height = rect.bottom - rect.top;
var scale = clipItems[0].getAttribute('data-scale');
if (scale) {
width = width / Number(scale);
height = height / Number(scale);
}
this.overrideKeyframes('showclip' + this.Index, width, height);
}
}
this.insertStyleNodes = [];
this.overrideKeyframes = function (name, width, height) {
var style = document.createElement('style');
style.type = 'text/css';
var keyFrames = "." + name + "{-webkit-clip:rect(0px,0px,0px,0px); -webkit-animation: " + name + " 0.4s forwards cubic-bezier(0,.3,.6,1);}\n@-webkit-keyframes " + name + "{\n 0%{-webkit-clip: rect(0,0," + height + "px,0);}\n 100%{-webkit-clip: rect(0," + width + "px," + height + "px,0);}\n}";
keyFrames += "." + name + "{clip:rect(0px,0px,0px,0px); animation: " + name + " 0.4s forwards cubic-bezier(0,.3,.6,1);}\n@keyframes " + name + "{\n 0%{clip: rect(0,0," + height + "px,0);}\n 100%{clip: rect(0," + width + "px," + height + "px,0);}\n}";
/* cubic-bezier(0,.3,.6,1) */
/* cubic-bezier(.19, 1, .22, 1) */
style.innerHTML = keyFrames;
document.getElementsByTagName('head')[0].appendChild(style);
this.insertStyleNodes.push(style);
};
this.removeInsertStyles = function () {
var head = document.getElementsByTagName('head')[0];
head.removeChild(this.insertStyleNodes.shift());
};
/**sss
* 监听scroll的处理函数
*/
this.eventHandler = function (eventType) {
if (eventType == "scroll") {
// 判断滚动方向
that.updateScrollDirection();
// show-animate-item
that.scrollAnimate(that.getAnimateEls(that.defaults.show), that.defaults.show);
// fade-animate-item
that.scrollAnimate(that.getAnimateEls(that.defaults.fade), that.defaults.fade);
}
if (eventType == "resize") {
// resize 的时候，要判断浏览器的宽度，然后更新nav的高度。
that.updateNavMax();
}
//.js-nav-state
that.slideup(that.getNavEl(that.defaults.slide), that.defaults.slide, eventType);
};
/**
* 监听动画元素结束
*/
this.animationendHandler = function () {
//this => current element
var classlist = this.classList.toString();
if (classlist.includes(that.defaults.fade.animateItem)) {
this.classList.add(that.defaults.show.animingClass);
}
if (classlist.includes(that.defaults.show.animateItem)) {
this.classList.add(that.defaults.show.animingClass);
}
this.style.animation = '';
this.style.webkitAnimation = '';
that.removeClass(this, that.defaults.show.animateItem + " " + that.defaults.show.animClass + " " + that.defaults.fade.animateItem + " " + that.defaults.fade.animClass);
/* that.removeClass(this, `${that.defaults.show.animateItem} ${that.defaults.show.animClass} ${that.defaults.fade.animateItem} ${that.defaults.fade.animClass}`); */
/* remove clip 动效 */
var clipItems = that.getClipItems(this);
if (clipItems.length) {
clipItems.forEach(function (item) {
item.style.animation = '';
item.style.webkitAnimation = '';
item.classList.remove(item.getAttribute('data-clipclass'));
}, this);
/* 动画运动完一个，就 remove 一个新增的 style */
that.removeInsertStyles();
}
this.removeEventListener('animationend', that.animationendHandler, false);
this.removeEventListener('webkitAnimationEnd', that.animationendHandler, false);
};
/**
* 初始化document监听scroll事件，并绑定监听函数
*/
this.setupListener = function () {
var el = this.defaults.scrollElement;
el.addEventListener('scroll', this.scrollHandler, false);
window.addEventListener('resize', this.resizeHandler, false);
};
this.scrollHandler = function () {
that.eventHandler('scroll');
};
this.resizeHandler = function () {
that.eventHandler('resize');
};
/**
* 初始化默认在可视屏幕范围内的动画
*/
this.setDefaultAnimEls = function (opts) {
//初始化 show-animate-item & fade-animate-item animation
that.defaultAnimation(that.getAnimateEls(opts.show), opts.show);
that.defaultAnimation(that.getAnimateEls(opts.fade), opts.fade);
};
/* search 搜索结果的 default show animation 触发 */
this.triggerSearchEvent = function () {
that.setDefaultAnimEls(that.defaults);
};
this.updateNavMax = function () {
var opts = this.defaults.slide;
if (this.getDocumentWidth() < 440) {
opts.max = 80;
opts.min = 80;
} else if (this.getDocumentWidth() >= 440 && this.getDocumentWidth() <= 1024) {
opts.max = 120;