User:SunAfterRain/js/sandbox/gadget-AdvancedSiteNotices.js

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$(function() {
    /** Advanced Site Notices ********
     * Allow to custom dynamic site notices
     * Maintainer: [[User:PhiLiP]]
     */

    if (window.closeASNForever || $('#siteNotice').length < 0 || mw.config.get('wgAction') === 'edit' || mw.config.get('wgAction') === 'submit') {
        return;
    }
    if (typeof(window.customASNInterval) === 'undefined') {
        window.customASNInterval = 15;
    }
    var langConv = require('ext.gadget.HanAssist').conv;

    var cname = 'dismissASN';
    var cval = $.cookie(cname);
    if (cval == '') {
        cval = -1;
    }
    var rev = 0;
    var toid = null;

    var tb = $('<table id="asn-dismissable-notice" width="100%" style="background:transparent"/>');
    var ct = $('<div id="advancedSiteNotices" style="word-break:break-word" class="mw-parser-output"/>');
    var sd = $('<a href="#"/>').text(langConv({hans: '关闭', hant: '關閉'}));
    tb.append($('<tr/>').append($('<td/>').append(ct)).append($('<td/>').append('[').append(sd).append(']')));
    var nts = null;
    var styles = [];

    sd.click(function() {
        $.cookie(cname, rev, {
            expires: 30,
            path: '/',
            secure: true
        });
        clearTimeout(toid);
        tb.remove();
        return false;
    });

    var matchCriteria = function(nt) {
        var cache = nt.data('asn-cache');
        if (cache !== undefined) {
            return cache;
        }
        var criteria = nt.attr('data-asn-criteria');
        if (criteria === undefined) {
            criteria = nt.attr('class') ? 'false' : 'true';
            if (nt.hasClass('only_sysop')) {
                criteria += '||in_group("sysop")';
            }
            if (nt.hasClass('only_logged')) {
                criteria += '||in_group("user")';
            }
            if (nt.hasClass('only_anon')) {
                criteria += '||!in_group("user")';
            }
            if (nt.hasClass('only_zh_cn')) {
                criteria += '||only_for("zh-cn")';
            }
            if (nt.hasClass('only_zh_hk')) {
                criteria += '||only_for("zh-hk")';
            }
            if (nt.hasClass('only_zh_sg')) {
                criteria += '||only_for("zh-sg")';
            }
            if (nt.hasClass('only_zh_tw')) {
                criteria += '||only_for("zh-tw")';
            }
        } else {
            criteria = decodeURIComponent(criteria.replace(/\+/g, '%20'));
            criteria = criteria.trim();
        }
        if (criteria === '') {
            criteria = 'true';
        }
        var testCriteria = function() {
            var in_country = function(country) {
                return window.Geo === undefined || Geo.country === country;
            },
            in_region = function(region) {
                return window.Geo === undefined || Geo.region === region;
            },
            in_city = function(city) {
                return window.Geo === undefined || Geo.city === city;
            },
            in_group = function(group) {
                return $.inArray(group, mw.config.get('wgUserGroups')) > -1;
            },
            only_for = function(userlang) {
                return userlang === mw.config.get('wgUserLanguage');
            };
            // FIXME: This shouldn't be using eval on data entered in wikitext. If that data is malformed it will throw an exception e.g. criteria = "(false))"
            try {
                return eval(criteria);
            } catch (e) {
                return false;
            }
        };
        cache = testCriteria();
        nt.data('asn-cache', cache);
        return cache;
    };

    var loadNotices = function(pos) {
        if (!tb.length) {
            return;
        }
        ct.css('min-height', ct.height() + 'px');
        tb.css('min-height', tb.height() + 'px');
        var l = nts.length;
        var nt = null;
        var rt = 0;
        while (rt++ < l) {
            nt = $(nts[pos]);
            if (matchCriteria(nt)) {
                break;
            }
            pos = (pos + 1) % l;
        }
        if (rt >= l) {
            return;
        }
        if (typeof nt.data('asn-style') == 'string') {
            var style = mw.util.addCSS(decodeURIComponent(nt.data('asn-style').replace(/\+/g, '%20')));
            nt.data('asn-style', null);
            nt.data('asn-style-id', styles.length);
            style.disabled = true;
            styles.push(style);
        }
        if (typeof nt.data('asn-html') == 'string') {
            nt.data('asn-html-raw', decodeURIComponent(nt.data('asn-html').replace(/\+/g, '%20')));
            nt.data('asn-html', null);
        }
        var styleId = nt.data('asn-style-id');
        nt = nt.data('asn-html-raw') || nt.html();
        var cthtml = ct.html();
        if (cthtml) {
            if (cthtml !== nt) {
                ct.stop().fadeOut(function() {
                    $.each(styles, function() {
                        this.disabled = true;
                    });
                    if (styles[styleId]) {
                        styles[styleId].disabled = false;
                    }
                    ct.html(nt);
                    // animation try /catched to avoid TypeError: (Animation.tweeners[prop]||[]).concat is not a function error being seen in production
                    try {
                        ct.fadeIn();
                    } catch (e) {}
                });
            }
        } else if (rev == cval) {
            return;
        } else {
            $.cookie(cname, null);
            tb.appendTo($('#siteNotice'));
            if (styles[styleId]) {
                styles[styleId].disabled = false;
            }
            ct.html(nt).fadeIn();
        }
        toid = setTimeout(function() {
            loadNotices((pos + 1) % l);
        }, window.customASNInterval * 1000);
    };

    new mw.Api({
        ajax: {
            headers: {
                'Api-User-Agent': 'w:zh:MediaWiki:Gadget-AdvancedSiteNotices.js'
            }
        }
    }).get({
        page: 'Template:AdvancedSiteNotices/ajax',
        variant: mw.config.get('wgUserVariant'),
        prop: 'text',
        action: 'parse',
        format: 'json',
        maxage: 3600,
        smaxage: 3600
    }).then(function(json) {
        if (!json || !json.parse || !json.parse.text || !json.parse.text['*']) return;
        json = $('<div/>').html(json.parse.text['*']).find('ul.sitents');
        nts = $('li', json);
        rev = json.data('asn-version');
        var l = nts.length;
        loadNotices(Math.floor(Math.random() * l));
    }).catch(function(e) {
        console.error('[AdvancedSiteNotices]: ', JSON.stringify(e));
    });
});