common.js 12.3 KB
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/**
 * 页面公共逻辑
 * @author: xuqi<qi.xu@yoho.cn>
 * @date: 2015/10/21
 */
var $ = require('yoho-jquery'),
    Hammer = require('yoho-hammer');

var $footer = $('#yoho-footer'),
    $yohoPage = $('.yoho-page'),
    $header = $('.yoho-header');

// 为您优选-40位随机数指纹请求id
var RECID = (new Date().getTime() + '_H5_YOHOBUY_' + Math.floor(Math.random() * 1000000 + 1000000) +
    '_' + Math.floor(Math.random() * 1000000 + 1000000));

var _ChannelVary = {
    boys: 1,
    girls: 2,
    kids: 3,
    lifestyle: 4
};

function cookie(name) {
    var cookies = document.cookie,
        cookieVal;

    if (cookies) {
        cookies = cookies.split(';');
        cookies.forEach(function(c) {
            if (c.indexOf(name) > -1) {
                cookieVal = decodeURIComponent($.trim(c.replace(name + '=', '')));
                return;
            }
        });
    }

    return cookieVal;
}

function setCookie(name, value, options) {
    var expires = '',
        path,
        domain,
        secure,
        date;

    if (typeof value !== 'undefined') {
        options = options || {};
        if (value === null) {
            value = '';
            options.expires = -1;
        }

        if (options.expires &&
            (typeof options.expires === 'number' || options.expires.toUTCString)) {
            if (typeof options.expires === 'number') {
                date = new Date();
                date.setTime(date.getTime() + (options.expires * 24 * 60 * 60 * 1000));
            } else {
                date = options.expires;
            }
            expires = '; expires=' + date.toUTCString();
        }
        path = options.path ? '; path=' + options.path : '';
        domain = options.domain ? '; domain=' + options.domain : '';
        secure = options.secure ? '; secure' : '';
        document.cookie = [name, '=', encodeURIComponent(value), expires, path, domain, secure].join('');
    }
}

function isCookiesEnabled() {
    var cookieEnabled = (navigator.cookieEnabled) ? true : false;

    if (typeof navigator.cookieEnabled === 'undefined' && !cookieEnabled) {
        document.cookie = 'testcookie';
        cookieEnabled = (document.cookie.indexOf('testcookie') !== -1) ? true : false;
    }

    return (cookieEnabled);
}

function getUser() {
    var c = cookie('_UID'),
        user;

    if (typeof c === 'undefined') {
        return 0;
    }

    user = c.split('::');

    if (typeof user === 'undefined' || user.length < 4) {
        return 0;
    }

    return user;
}

function getUid() {
    var user = getUser();

    if (user === 0) {
        return 0;
    }

    return user[1];
}

function getShoppingKey() {
    var c = cookie('_g');

    if (typeof c === 'undefined') {
        return '';
    }

    return JSON.parse(c).k;
}

// 根据页面内容重新设置通用底部的显示
function rePosFooter() {
    var winH;

    if ($footer.length === 0) {
        return;
    }

    winH = Math.min($(window).height(), window.screen.availHeight);

    if ($('body').height() <= winH) {
        $footer.addClass('bottom');
    } else {
        $footer.removeClass('bottom');
    }
}

/**
 *
 * add extra margin-bottom for footer to show yoho copyright when there is fixed bottom element on page
 * @param {String} The jquery selecor of the fixed bottom element
 * @return undefined
 */
function reMarginFooter(fixedElement) {
    var fixedElH = $(fixedElement).outerHeight();

    if (fixedElement) {
        $footer.css('margin-bottom', fixedElH + 'px');
    }
}

function queryString() {
    var vars = [],
        hash,
        i;
    var hashes = window.location.search.slice(1).split('&');

    for (i = 0; i < hashes.length; i++) {
        hash = hashes[i].split('=');
        vars.push(hash[0]);
        vars[hash[0]] = hash[1];
    }
    return vars;
}

// 给jQuery 扩展 queryString函数
$.extend({
    queryString: queryString
});

// 页面通用底部位置及status设置
(function() {
    var $op = $footer.children('.op-row'),
        $backToTop = $('.back-to-top'),
        $floatTop = $('.float-top');

    var user = getUser();

    var backToTopHammer;
    var floatTopHammer;

    rePosFooter(); // 计算底部位置

    if (user === 0) {

        // 未登录
        $op.prepend(
            '<a href="http://m.yohobuy.com/signin.html?refer=' + location.href + '">登录</a>' +
            '<span class="sep-line">|</span>' +
            '<a href="http://m.yohobuy.com/reg.html">注册</a>'
        );
    } else {

        // 已登录
        $op.prepend(
            '<span>Hi,</span>' +
            '<a class="user-name" href="http://m.yohobuy.com/home?tmp=' + Math.random() + '">' + user[0] + '</a>' +
            '<a href="http://m.yohobuy.com/passport/signout/index">退出</a>'
        );
    }

    if ($backToTop.length > 0) {
        backToTopHammer = new Hammer($backToTop[0]);
        backToTopHammer.on('tap', function(e) {
            $(window).scrollTop(0);
            e.srcEvent.preventDefault();
            return false;
        });
    }
    if ($floatTop.length > 0) {
        floatTopHammer = new Hammer($floatTop[0]);
        floatTopHammer.on('tap', function(e) {
            $(window).scrollTop(0);
            e.srcEvent.preventDefault();
            return false;
        });
    }

    $footer.removeClass('hide');

    // 单击下载按钮 - 接受微信商城或者第三方来源的数据埋点信息
    if (queryString().union_type) {
        setCookie('unionTypeYas', queryString().union_type, {
            path: '/'
        });
    }

}());

(function(w, d, s, j, f) {
    var a = d.createElement(s);
    var m = d.getElementsByTagName(s)[0];

    w.YohoAcquisitionObject = f;

    w[f] = function() {
        w[f].p = arguments;
    };

    a.async = 1;
    a.src = j;
    setTimeout(function() {
        m.parentNode.insertBefore(a, m);
    }, 50);
}(window, document, 'script', (document.location.protocol === 'https:' ? 'https' : 'http') + '://cdn.yoho.cn/yas-jssdk/1.0.18/yas.js', '_yas'));

(function() {
    var uid = getUid() || queryString().uid;

    uid = uid === 0 ? '' : uid;

    window._ozuid = uid; // 暴露ozuid

    if (window._yas) {
        window._yas(1 * new Date(), '1.0.18', 'yohobuy_m', uid, '', '');
    }
}());

$header.on('touchstart', 'a', function() {
    $header.find('a').removeClass('highlight');
    $(this).addClass('highlight');
}).on('touchend touchcancel', 'a', function() {
    $(this).removeClass('highlight');
});

$yohoPage.on('touchstart', '.tap-hightlight', function() {
    $(this).siblings('.tap-hightlight').removeClass('highlight');
    $(this).addClass('highlight');
}).on('touchend touchcancel', '.tap-hightlight', function() {
    $(this).removeClass('highlight');
});

$('.nav-home').on('touchstart', function() {
    $('.homebuttom').toggleClass('hide');
});

(function() {
    var lastTime = 0,
        prefixes = 'webkit moz ms o'.split(' '),
        requestAnimationFrame = window.requestAnimationFrame,
        cancelAnimationFrame = window.cancelAnimationFrame,
        prefix,
        i;

    // 通过遍历各浏览器前缀,来得到requestAnimationFrame和cancelAnimationFrame在当前浏览器的实现形式
    for (i = 0; i < prefixes.length; i++) {
        if (requestAnimationFrame && cancelAnimationFrame) {
            break;
        }
        prefix = prefixes[i];
        requestAnimationFrame = requestAnimationFrame || window[prefix + 'RequestAnimationFrame'];
        cancelAnimationFrame = cancelAnimationFrame || window[prefix + 'CancelAnimationFrame'] ||
            window[prefix + 'CancelRequestAnimationFrame'];
    }

    // 如果当前浏览器不支持requestAnimationFrame和cancelAnimationFrame,则会退到setTimeout
    if (!requestAnimationFrame || !cancelAnimationFrame) {
        requestAnimationFrame = function(callback) {
            var currTime = new Date().getTime();

            // 为了使setTimteout的尽可能的接近每秒60帧的效果
            var timeToCall = Math.max(0, 16 - (currTime - lastTime));
            var id = window.setTimeout(function() {
                callback(currTime + timeToCall);
            }, timeToCall);

            lastTime = currTime + timeToCall;
            return id;
        };

        cancelAnimationFrame = function(id) {
            window.clearTimeout(id);
        };
    }

    window.requestAnimationFrame = requestAnimationFrame;
    window.cancelAnimationFrame = cancelAnimationFrame;
}());


// 临时修改  footer
function phoneHidden(phone) {
    return phone.replace(/(\d{3})\d{4}(\d{4})/, '$1****$2');
}

if ($footer.find('.user-name').text().length === 11) {
    $footer.find('.user-name').html(phoneHidden($footer.find('.user-name').text()));
}

// 浮层下载APP
function downLoadApp(unionType) {
    var appUrl = 'http://union.yoho.cn/union/downapp.html';
    var clickedAt = new Date();

    setTimeout(function() {
        var mkt = unionType || queryString().union_type || cookie('unionTypeYas') || false;

        if ((new Date()) - clickedAt < 2000) {
            if (mkt) {
                appUrl += '?union_type=' + mkt;
            }

            if (window._yas && window._yas.sendCustomInfo) {
                window._yas.sendCustomInfo({
                    op: 'YB_DOWNLOAD_C',
                    param: JSON.stringify({
                        C_ID: _ChannelVary[cookie('_Channel')] || 1,
                        TO_URL: appUrl
                    })
                }, true);
            }

            window.location = appUrl;
        }
    }, 500);
}

// 为您优选埋点 http://redmine.yoho.cn/issues/10117
function givePoint(parameter) {
    var CID = 1;

    if (!window._yas || !window._yas.sendCustomInfo) {
        return false;
    }

    // 男:1,女:2,潮童:3,创意生活:4
    CID = _ChannelVary[cookie('_Channel')] || 1;

    parameter = $.extend({
        REC_POSE: '',
        REC_ID: RECID,
        PRD_ID: '',
        PRD_NUM: 0,
        C_ID: CID,
        ACTION_ID: 0,
        page_num: 1
    }, parameter);

    if (parameter.REC_POSE === '' || parameter.PRD_ID === '') {
        return true;
    }

    window._yas.sendCustomInfo({
        op: 'YB_CHOOSE_FOR_YOU_Y',
        param: JSON.stringify(parameter)
    }, true);
}

/**
 * 页面头颜色修正
 */
(function() {
    var channel = cookie('_Channel');
    var header = $('#yoho-header, .homebuttom');
    var footer = $('.footer-tab .tab-item.current');

    if (!/^\/home/.test(location.pathname)) {
        switch (channel) {
            case 'boys':
                if (!header.hasClass('boys')) {
                    header.addClass('boys');
                }
                break;
            case 'girls':
                if (!header.hasClass('girls')) {
                    header.addClass('girls');
                }
                break;
            case 'lifestyle':
                if (!header.hasClass('life-style')) {
                    header.addClass('life-style');
                }
                break;
            case 'kids':
                if (!header.hasClass('kids')) {
                    header.addClass('kids');
                }
                break;
            default:
                if (!header.hasClass('boys')) {
                    header.addClass('boys');
                }
                break;
        }
    } else {
        header.removeClass('girls', 'life-style', 'kids').addClass('boys');
    }

    switch (channel) {
        case 'boys':
            if (footer) {
                footer.addClass('boys');
            }
            break;
        case 'girls':
            if (footer) {
                footer.addClass('girls');
            }
            break;
        case 'lifestyle':
            if (footer) {
                footer.addClass('life-style');
            }
            break;
        case 'kids':
            if (footer) {
                footer.addClass('kids');
            }
            break;
        default:
            if (footer) {
                footer.addClass('boys');
            }
            break;
    }
}());

// 暴露公共接口
window.cookie = cookie;

window.setCookie = setCookie;

window.isCookiesEnabled = isCookiesEnabled;

window.getUser = getUser;

window.getUid = getUid;

window.getShoppingKey = getShoppingKey;

window.rePosFooter = rePosFooter;

window.reMarginFooter = reMarginFooter;

window.queryString = queryString();

window.givePoint = givePoint;

window._ChannelVary = _ChannelVary;

window.downLoadApp = downLoadApp;