// ==UserScript==
// @name         Pixiv Previewer
// @namespace    https://github.com/Ocrosoft/PixivPreviewer
// @version      3.0.13
// @description  显示预览图（支持单图，多图，动图）；动图压缩包下载；搜索页按热门度（收藏数）排序并显示收藏数，适配11月更新
// @author       Ocrosoft
// @match        *://www.pixiv.net/*
// @grant        none
// @compatible   Chrome
// @downloadURL none
// ==/UserScript==

// 测试 JQuery，如果不支持就插入
//var $ = function () { };
try {
    $();
} catch (e) {
    var script = document.createElement('script');
    script.src = 'https://code.jquery.com/jquery-2.2.4.min.js';
    document.head.appendChild(script);
}

var Languages = {
    // 中文-中国大陆
    zh_CN: 0,
    // 英语-美国
    en_US: 1,
};
var LogLevel = {
    None: 0,
    Error: 1,
    Warning: 2,
    Info: 3,
    Elements: 4,
};
function DoLog(level, msgOrElement) {
    if (level <= g_logLevel) {
        var prefix = '%c';
        var param = '';

        if (level == LogLevel.Error) {
            prefix += '[Error]';
            param = 'color:#ff0000';
        } else if (level == LogLevel.Warning) {
            prefix += '[Warning]';
            param = 'color:#ffa500';
        } else if (level == LogLevel.Info) {
            prefix += '[Info]';
            param = 'color:#000000';
        } else if (level == LogLevel.Elements) {
            prefix += 'Elements';
            param = 'color:#000000';
        }

        if (level != LogLevel.Elements) {
            console.log(prefix + msgOrElement, param);
        } else {
            console.log(msgOrElement);
        }

        if (++g_logCount > 512) {
            console.clear();
            g_logCount = 0;
        }
    }
}

// 版本号，第三位不需要跟脚本的版本号对上，第三位更新只有需要弹更新提示的时候才需要更新这里
var g_version = '3.0.6';
// 添加收藏需要这个
var g_csrfToken = '';
// 打的日志数量，超过一定数值清空控制台
var g_logCount = 0;
// 当前页面类型
var g_pageType = -1;
// 图片详情页的链接，使用时替换 #id#
var g_artworkUrl = '/artworks/#id#';
// 获取图片链接的链接
var g_getArtworkUrl = '/ajax/illust/#id#/pages';
// 获取动图下载链接的链接
var g_getUgoiraUrl = '/ajax/illust/#id#/ugoira_meta';
// 鼠标位置
var g_mousePos = { x: 0, y: 0 };
// 加载中图片
var g_loadingImage = 'https://pp-1252089172.cos.ap-chengdu.myqcloud.com/loading.gif';
// 页面打开时的 url
var initialUrl = location.href;
// 默认设置，仅用于首次脚本初始化
var g_defaultSettings = {
    'enablePreview': 1,
    'enableSort': 1,
    'enableAnimeDownload': 1,
    'original': 0,
    'pageCount': 2,
    'favFilter': 0,
    'hideFavorite': 0,
    'linkBlank': 1,
    'pageByKey': 0,
    'logLevel': 1,
    'version': g_version,
};
// 设置
var g_settings;
// 日志等级
var g_logLevel = LogLevel.Warning;
// 排序时同时请求收藏量的 Request 数量，没必要太多，并不会加快速度
var g_maxXhr = 10;

// 页面相关的一些预定义，包括处理页面元素等
var PageType = {
    // 搜索
    Search: 0,
    // 关注的新作品
    BookMarkNew: 1,
    // 发现
    Discovery: 2,
    // 用户主页
    Member: 3,
    // 首页
    Home: 4,
    // 排行榜
    Ranking: 5,
    // 大家的新作品
    NewIllust: 6,
    // R18
    R18: 7,
    // 自己的收藏页
    BookMark: 8,
    // 动态
    Stacc: 9,
    // 作品详情页（处理动图预览及下载）
    Artwork: 10,

    // 总数
    PageTypeCount: 11,
};
var Pages = {};
/* Pages 必须实现的函数
 * PageTypeString: string，字符串形式的 PageType
 * bool CheckUrl: function(string url)，用于检查一个 url 是否是当前页面的目标 url
 * ReturnMap ProcessPageElements: function()，处理页面（寻找图片元素、添加属性等），返回 ReturnMap
 * ReturnMap GetProcessedPageElements: function(), 返回上一次 ProcessPageElements 的返回值（如果没有上次调用则调用一次）
 * Object GetToolBar: function(), 返回工具栏元素（右下角那个，用来放设置按钮）
 * HasAutoLoad: bool，表示这个页面是否有自动加载功能
 */
var ReturnMapSample = {
    // 页面是否加载完成，false 意味着后面的成员无效
    loadingComplete: false,
    // 控制元素，每个图片的鼠标响应元素
    controlElements: [],
};
var ControlElementsAttributesSample = {
    // 图片信息，内容如下：
    // [必需] 图片 id
    illustId: 0,
    // [必需] 图片类型（0：普通图片，2：动图）
    illustType: 0,
    // [必需] 页数
    pageCount: 1,
    // [可选] 标题
    title: '',
    // [可选] 作者 id
    userId: 0,
    // [可选] 作者昵称
    userName: '',
    // [可选] 收藏数
    bookmarkCount: 0,
};

Pages[PageType.Search] = {
    PageTypeString: 'SearchPage',
    CheckUrl: function (url) {
        return /^https?:\/\/www.pixiv.net\/tags\/.*\/artworks/.test(url) ||
            /^https?:\/\/www.pixiv.net\/en\/tags\/.*\/artworks/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var sections = $('section');
        DoLog(LogLevel.Info, 'Page has ' + sections.length + ' <section>.');
        DoLog(LogLevel.Elements, sections);
        // 先对 section 进行评分
        var sectionIndex = -1;
        var bestScore = -99;
        sections.each(function (i, e) {
            var section = $(e);
            var score = 0;
            if (section.find('ul').length > 0) {
                var childrenCount = section.children().length;
                if (childrenCount != 2) {
                    DoLog(LogLevel.Warning, '<ul> was found in this <section>, but it has ' + childrenCount + ' children!');
                    score--;
                }
                var ul = section.find('ul');
                if (ul.length > 1) {
                    DoLog(LogLevel.Warning, 'This section has more than one <ul>?');
                    score--;
                }
                if ($(ul.parent().get(0)).css('display') == 'none' || $(ul.get(0)).css('display') == 'none') {
                    DoLog(LogLevel.Info, '<ul> or it\'s parentNode is not visible now, continue waiting.');
                    sectionIndex = -1;
                    bestScore = 999;
                    return false;
                }
                if ($(ul.get(0)).next().length === 0) {
                    DoLog(LogLevel.Info, 'Page selector not exists, continue waiting.');
                    sectionIndex = -1;
                    bestScore = 999;
                    return false;
                }
                var lis = ul.find('li');
                if (lis.length === 0) {
                    DoLog(LogLevel.Info, 'This <ul> has 0 children, will be skipped.');
                    return false;
                }
                if ($(lis.get(0)).find('figure').length > 0) {
                    DoLog(LogLevel.Warning, '<figure> was found in the first <li>, continue waiting.');
                    sectionIndex = -1;
                    bestScore = 999;
                    return false;
                }
                if (lis.length > 4) {
                    score += 5;
                }
                if (score > bestScore) {
                    bestScore = score;
                    sectionIndex = i;
                }
            } else {
                DoLog(LogLevel.Info, 'This section(' + i + ' is not has <ul>, will be skipped.');
            }
        });

        if (sectionIndex == -1) {
            if (bestScore < 100) {
                DoLog(LogLevel.Error, 'No suitable <section>!');
            }
            return returnMap;
        }

        var lis = $(sections[sectionIndex]).find('ul').find('li');
        lis.each(function (i, e) {
            var li = $(e);
            var control = li.children('div:first');

            // 只填充必须的几个，其他的目前用不着
            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var img = $(li.find('img').get(0));
            var imageLink = img.parent().parent();
            var additionDiv = img.parent().prev();
            var animationSvg = img.parent().find('svg');
            var pageCountSpan = additionDiv.find('span');

            if (img == null || imageLink == null) {
                DoLog(LogLevel.Warning, 'Can not found img or imageLink, skip this.');
                return;
            }

            var link = imageLink.attr('href');
            if (link == null) {
                DoLog(LogLevel.Warning, 'Invalid href, skip this.');
                return;
            }
            var linkMatched = link.match(/artworks\/(\d+)/);
            var illustId = '';
            if (linkMatched) {
                ctlAttrs.illustId = linkMatched[1];
            } else {
                DoLog(LogLevel.Error, 'Get illustId failed, skip this list item!');
                return;
            }
            if (animationSvg.length > 0) {
                ctlAttrs.illustType = 2;
            }
            if (pageCountSpan.length > 0) {
                ctlAttrs.pageCount = parseInt(pageCountSpan.text());
            }

            // 添加 attr
            li.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            li.addClass('pp-control');
        });
        returnMap.controlElements = $('.pp-control');
        this.private.pageSelector = $($(sections[sectionIndex]).find('ul').get(0)).next().get(0);
        returnMap.loadingComplete = true;
        this.private.imageListConrainer = $(sections[sectionIndex]).find('ul').get(0);

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        return $('#root').children('div:last').prev().find('li:first').parent().get(0);
    },
    // 搜索页有 lazyload，不开排序的情况下，最后几张图片可能会无法预览。这里把它当做自动加载处理
    HasAutoLoad: true,
    GetImageListContainer: function () {
        return this.private.imageListConrainer;
    },
    GetFirstImageElement: function () {
        return $(this.private.imageListConrainer).find('li').get(0);
    },
    GetPageSelector: function () {
        return this.private.pageSelector;
    },
    private: {
        imageListContainer: null,
        pageSelector: null,
        returnMap: null,
    },
};
Pages[PageType.BookMarkNew] = {
    PageTypeString: 'BookMarkNewPage',
    CheckUrl: function (url) {
        return /^https:\/\/www.pixiv.net\/bookmark_new_illust.php.*/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var containerDiv = $('#js-mount-point-latest-following').children('div:first');
        if (containerDiv.length > 0) {
            DoLog(LogLevel.Info, 'Found container div.');
            DoLog(LogLevel.Elements, containerDiv);
        } else {
            DoLog(LogLevel.Error, 'Can not found container div.');
            return returnMap;
        }

        containerDiv.children().each(function (i, e) {
            var _this = $(e);

            var figure = _this.find('figure');
            if (figure.length === 0) {
                DoLog(LogLevel.Warning, 'Can not found <fingure>, skip this element.');
                return;
            }

            var link = figure.children('div:first').children('a:first');
            if (link.length === 0) {
                DoLog(LogLevel.Warning, 'Can not found <a>, skip this element.');
                return;
            }

            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var href = link.attr('href');
            if (href == null || href === '') {
                DoLog(LogLevel.Warning, 'No href found, skip.');
                return;
            } else {
                var matched = href.match(/artworks\/(\d+)/);
                if (matched) {
                    ctlAttrs.illustId = matched[1];
                } else {
                    DoLog(LogLevel.Warning, 'Can not found illust id, skip.');
                    return;
                }
            }

            if (link.children().length > 1) {
                if (link.children('div:first').find('span').length > 0) {
                    var span = link.children('div:first').children('span:first');
                    if (span.length === 0) {
                        DoLog(LogLevel.Warning, 'Can not found <span>, skip this element.');
                        return;
                    }
                    ctlAttrs.pageCount = span.text();
                } else {
                    ctlAttrs.illustType = 2;
                }
            }

            _this.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            returnMap.controlElements.push(e);
        });

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        returnMap.loadingComplete = true;
        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        return $('._toolmenu').get(0);
    },
    HasAutoLoad: false,
    private: {
        returnMap: null,
    },
};
Pages[PageType.Discovery] = {
    PageTypeString: 'DiscoveryPage',
    CheckUrl: function (url) {
        return /^https?:\/\/www.pixiv.net\/discovery.*/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var containerDiv = $('.gtm-illust-recommend-zone');
        if (containerDiv.length > 0) {
            DoLog(LogLevel.Info, 'Found container div.');
            DoLog(LogLevel.Elements, containerDiv);
        } else {
            DoLog(LogLevel.Error, 'Can not found container div.');
            return returnMap;
        }

        containerDiv.children().each(function (i, e) {
            var _this = $(e);

            var figure = _this.find('figure');
            if (figure.length === 0) {
                DoLog(LogLevel.Warning, 'Can not found <fingure>, skip this element.');
                return;
            }

            var link = figure.children('div:first').children('a:first');
            if (link.length === 0) {
                DoLog(LogLevel.Warning, 'Can not found <a>, skip this element.');
                return;
            }

            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var href = link.attr('href');
            if (href == null || href === '') {
                DoLog(LogLevel.Warning, 'No href found, skip.');
                return;
            } else {
                var matched = href.match(/artworks\/(\d+)/);
                if (matched) {
                    ctlAttrs.illustId = matched[1];
                } else {
                    DoLog(LogLevel.Warning, 'Can not found illust id, skip.');
                    return;
                }
            }

            if (link.children().length > 1) {
                if (link.children('div:first').find('span').length > 0) {
                    var span = link.children('div:first').children('span:first');
                    if (span.length === 0) {
                        DoLog(LogLevel.Warning, 'Can not found <span>, skip this element.');
                        return;
                    }
                    ctlAttrs.pageCount = span.text();
                } else if (link.children('div:last').find('svg').length > 0) {
                    ctlAttrs.illustType = 2;
                }
            }

            _this.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            returnMap.controlElements.push(e);
        });

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        returnMap.loadingComplete = true;
        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        return $('._toolmenu').get(0);
    },
    HasAutoLoad: true,
    private: {
        returnMap: null,
    },
};
Pages[PageType.Member] = {
    PageTypeString: 'MemberPage/MemberIllustPage/MemberBookMark',
    CheckUrl: function (url) {
        return /^https?:\/\/www.pixiv.net\/member.php\?id=.*/.test(url) ||
            /^https:\/\/www.pixiv.net\/member_illust.php.*/.test(url) ||
            /^https:\/\/www.pixiv.net\/bookmark.php\?.*/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var sections = $('section');
        DoLog(LogLevel.Info, 'Page has ' + sections.length + ' <section>.');
        DoLog(LogLevel.Elements, sections);

        var lis = sections.find('ul').find('li');
        lis.each(function (i, e) {
            var li = $(e);
            var control = li.children('div:first');

            // 只填充必须的几个，其他的目前用不着
            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var img = $(li.find('img').get(0));
            var imageLink = img.parent().parent();
            var additionDiv = img.parent().prev();
            var animationSvg = img.parent().find('svg');
            var pageCountSpan = additionDiv.find('span');

            if (!img || !imageLink) {
                DoLog(LogLevel.Warning, 'Can not found img or imageLink, skip this.');
                return;
            }

            var link = imageLink.attr('href');
            if (link == null) {
                DoLog(LogLevel.Warning, 'Can not found illust id, skip this.');
                return;
            }

            var linkMatched = link.match(/artworks\/(\d+)/);
            var illustId = '';
            if (linkMatched) {
                ctlAttrs.illustId = linkMatched[1];
            } else {
                DoLog(LogLevel.Error, 'Get illustId failed, skip this list item!');
                return;
            }
            if (animationSvg.length > 0) {
                ctlAttrs.illustType = 2;
            }
            if (pageCountSpan.length > 0) {
                ctlAttrs.pageCount = parseInt(pageCountSpan.text());
            }

            // 添加 attr
            li.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            li.addClass('pp-control');
        });
        returnMap.controlElements = $('.pp-control');
        returnMap.loadingComplete = true;

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        var div = $('#root').children('div');
        for (var i = div.length - 1; i >= 0; i--) {
            if ($(div.get(i)).children('ul').length > 0) {
                return $(div.get(i)).children('ul').get(0);
            }
        }
    },
    // 跟搜索页一样的情况
    HasAutoLoad: true,
    private: {
        returnMap: null,
    },
};
Pages[PageType.Home] = {
    PageTypeString: 'HomePage',
    CheckUrl: function (url) {
        return /https?:\/\/www.pixiv.net\/?$/.test(url) ||
            /https?:\/\/www.pixiv.net\/en\/?$/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var uls = $('._image-items');

        DoLog(LogLevel.Info, 'This page has ' + uls.length + ' <ul>.');
        if (uls.length < 1) {
            DoLog(LogLevel.Warning, 'Less than 1 <ul>, continue waiting.');
            return returnMap;
        } else if (uls.length != 4) {
            DoLog(LogLevel.Warning, 'Normaly, should found 4 <ul>.');
        }

        uls.each(function (i, e) {
            var _this = $(e);

            var li = _this.find('.image-item');
            if (li.length < 1) {
                DoLog(LogLevel.Warning, 'This <ul> has 0 <li>, will be skipped.');
                return;
            }

            li.each(function (j, ee) {
                var __this = $(ee);

                var ctlAttrs = {
                    illustId: 0,
                    illustType: 0,
                    pageCount: 1,
                };

                var illustId = __this.find('a:first').attr('data-gtm-recommend-illust-id') || __this.find('img:first').attr('data-id');
                if (illustId == null) {
                    DoLog(LogLevel.Warning, 'Can not found illust id of this image, skip.');
                    return;
                } else {
                    ctlAttrs.illustId = illustId;
                }
                var pageCount = __this.find('.page-count');
                if (pageCount.length > 0) {
                    pageCount = parseInt(pageCount.find('span').text());
                }
                if (__this.find('a:first').hasClass('ugoku-illust')) {
                    ctlAttrs.illustType = 2;
                }

                __this.attr({
                    'illustId': ctlAttrs.illustId,
                    'illustType': ctlAttrs.illustType,
                    'pageCount': ctlAttrs.pageCount
                });

                returnMap.controlElements.push(ee);
            });
        });

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        returnMap.loadingComplete = true;
        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        return $('._toolmenu').get(0);
    },
    HasAutoLoad: false,
    private: {
        returnMap: null,
    },
};
Pages[PageType.Ranking] = {
    PageTypeString: 'RankingPage',
    CheckUrl: function (url) {
        return /^https?:\/\/www.pixiv.net\/ranking.php.*/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var works = $('._work');

        DoLog(LogLevel.Info, 'Found .work, length: ' + works.length);
        DoLog(LogLevel.Elements, works);

        works.each(function (i, e) {
            var _this = $(e);

            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var href = _this.attr('href');

            if (href == null || href === '') {
                DoLog('Can not found illust id, skip this.');
                return;
            }

            var matched = href.match(/artworks\/(\d+)/);
            if (matched) {
                ctlAttrs.illustId = matched[1];
            } else {
                DoLog('Can not found illust id, skip this.');
                return;
            }

            if (_this.hasClass('multiple')) {
                ctlAttrs.pageCount = _this.find('.page-count').find('span').text();
            }

            if (_this.hasClass('ugoku-illust')) {
                ctlAttrs.illustType = 2;
            }

            // 添加 attr
            _this.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            returnMap.controlElements.push(e);
        });

        returnMap.loadingComplete = true;

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        return $('._toolmenu').get(0);
    },
    HasAutoLoad: false,
    private: {
        returnMap: null,
    },
};
Pages[PageType.NewIllust] = {
    PageTypeString: 'NewIllustPage',
    CheckUrl: function (url) {
        return /^https?:\/\/www.pixiv.net\/new_illust.php.*/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var firstDiv = $('#root').children('div:first');
        if (firstDiv.length === 0) {
            DoLog(LogLevel.Error, 'Can not found images\' container div!');
            return returnMap;
        }

        var ul = firstDiv.children('div:last').find('ul');
        if (ul.length === 0) {
            DoLog(LogLevel.Error, 'Can not found <ul>!');
            return returnMap;
        }

        ul.find('li').each(function (i, e) {
            var _this = $(e);

            var link = _this.find('a:first');
            var href = link.attr('href');
            if (href == null || href === '') {
                DoLog(LogLevel.Error, 'Can not found illust id, skip this.');
                return;
            }

            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var matched = href.match(/artworks\/(\d+)/);
            if (matched) {
                ctlAttrs.illustId = matched[1];
            } else {
                DoLog(LogLevel.Warning, 'Can not found illust id, skip this.');
                return;
            }

            if (link.children().length > 1) {
                var span = link.find('svg').next();
                if (span.length > 0) {
                    ctlAttrs.pageCount = span.text();
                } else if (link.find('svg').length > 0) {
                    ctlAttrs.illustType = 2;
                }
            }

            _this.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            returnMap.controlElements.push(e);
        });

        returnMap.loadingComplete = true;

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        var div = $('#root').children('div');
        for (var i = div.length - 1; i >= 0; i--) {
            if ($(div.get(i)).children('ul').length > 0) {
                return $(div.get(i)).children('ul').get(0);
            }
        }
    },
    HasAutoLoad: true,
    private: {
        returnMap: null,
    },
};
Pages[PageType.R18] = {
    PageTypeString: 'R18Page',
    CheckUrl: function (url) {
        return /^https?:\/\/www.pixiv.net\/cate_r18.php.*/.test(url);
    },
    ProcessPageElements: function () {
        //
    },
    GetToolBar: function () {
        //
    },
    HasAutoLoad: false,
};
Pages[PageType.BookMark] = {
    PageTypeString: 'BookMarkPage',
    CheckUrl: function (url) {
        return /^https:\/\/www.pixiv.net\/bookmark.php\/?$/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var images = $('.image-item');
        DoLog(LogLevel.Info, 'Found images, length: ' + images.length);
        DoLog(LogLevel.Elements, images);

        images.each(function (i, e) {
            var _this = $(e);

            var work = _this.find('._work');
            if (work.length === 0) {
                DoLog(LogLevel.Warning, 'Can not found ._work, skip this.');
                return;
            }

            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var href = work.attr('href');
            if (href == null || href === '') {
                DoLog(LogLevel.Warning, 'Can not found illust id, skip this.');
                return;
            }

            var matched = href.match(/illust_id=(\d+)/);
            if (matched) {
                ctlAttrs.illustId = matched[1];
            } else {
                DoLog(LogLevel.Warning, 'Can not found illust id, skip this.');
                return;
            }

            if (work.hasClass('multiple')) {
                ctlAttrs.pageCount = _this.find('.page-count').find('span').text();
            }

            if (work.hasClass('ugoku-illust')) {
                ctlAttrs.illustType = 2;
            }

            // 添加 attr
            _this.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            returnMap.controlElements.push(e);
        });

        returnMap.loadingComplete = true;

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        return $('._toolmenu').get(0);
    },
    HasAutoLoad: false,
    private: {
        returnMap: null,
    },
};
Pages[PageType.Stacc] = {
    PageTypeString: 'StaccPage',
    CheckUrl: function (url) {
        return /^https:\/\/www.pixiv.net\/stacc.*/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        var works = $('._work');

        DoLog(LogLevel.Info, 'Found .work, length: ' + works.length);
        DoLog(LogLevel.Elements, works);

        works.each(function (i, e) {
            var _this = $(e);

            var ctlAttrs = {
                illustId: 0,
                illustType: 0,
                pageCount: 1,
            };

            var href = _this.attr('href');

            if (href == null || href === '') {
                DoLog('Can not found illust id, skip this.');
                return;
            }

            var matched = href.match(/illust_id=(\d+)/);
            if (matched) {
                ctlAttrs.illustId = matched[1];
            } else {
                DoLog('Can not found illust id, skip this.');
                return;
            }

            if (_this.hasClass('multiple')) {
                ctlAttrs.pageCount = _this.find('.page-count').find('span').text();
            }

            if (_this.hasClass('ugoku-illust')) {
                ctlAttrs.illustType = 2;
            }

            // 添加 attr
            _this.attr({
                'illustId': ctlAttrs.illustId,
                'illustType': ctlAttrs.illustType,
                'pageCount': ctlAttrs.pageCount
            });

            returnMap.controlElements.push(e);
        });

        returnMap.loadingComplete = true;

        DoLog(LogLevel.Info, 'Process page elements complete.');
        DoLog(LogLevel.Elements, returnMap);

        this.private.returnMap = returnMap;
        return returnMap;
    },
    GetProcessedPageElements: function () {
        if (this.private.returnMap == null) {
            return this.ProcessPageElements();
        }
        return this.private.returnMap;
    },
    GetToolBar: function () {
        return $('._toolmenu').get(0);
    },
    HasAutoLoad: true,
    private: {
        returnMap: null,
    },
};
Pages[PageType.Artwork] = {
    PageTypeString: 'ArtworkPage',
    CheckUrl: function (url) {
        return /^https:\/\/www.pixiv.net\/artworks\/.*/.test(url) ||
            /^https:\/\/www.pixiv.net\/en\/artworks\/.*/.test(url);
    },
    ProcessPageElements: function () {
        var returnMap = {
            loadingComplete: false,
            controlElements: [],
        };

        // 是动图
        var canvas = $('main').find('figure').find('canvas');
        if ($('main').find('figure').find('canvas').length > 0) {
            this.private.needProcess = true;
            canvas.addClass('pp-canvas');
        }

        returnMap.loadingComplete = true;
        return returnMap;
    },
    GetToolBar: function () {
        var div = $('#root').children('div');
        for (var i = div.length - 1; i >= 0; i--) {
            if ($(div.get(i)).children('ul').length > 0) {
                return $(div.get(i)).children('ul').get(0);
            }
        }
    },
    HasAutoLoad: false,
    Work: function () {
        function AddDownloadButton(div, button, offsetToOffsetTop) {
            if (!g_settings.enableAnimeDownload) {
                return;
            }

            var cloneButton = button.clone().css({ 'bottom': '50px', 'margin': 0, 'padding': 0, 'width': '48px', 'height': '48px', 'opacity': '0.4', 'cursor': 'pointer' });
            cloneButton.get(0).innerHTML = '<svg viewBox="0 0 120 120" style="width: 40px; height: 40px; stroke-width: 10; stroke-linecap: round; stroke-linejoin: round; border-radius: 24px; background-color: black; stroke: limegreen; fill: none;" class="_3Fo0Hjg"><polyline points="60,30 60,90"></polyline><polyline points="30,60 60,90 90,60"></polyline></svg></button>';

            function MoveButton() {
                function getOffset(e) {
                    if (e.offsetParent) {
                        var offset = getOffset(e.offsetParent);
                        return {
                            offsetTop: e.offsetTop + offset.offsetTop,
                            offsetLeft: e.offsetLeft + offset.offsetLeft,
                        };
                    } else {
                        return {
                            offsetTop: e.offsetTop,
                            offsetLeft: e.offsetLeft,
                        };
                    }
                }

                var offset = getOffset(button.get(0));
                DoLog(LogLevel.Info, 'offset of download button: ' + offset.offsetTop + ', ' + offset.offsetLeft);
                DoLog(LogLevel.Elements, offset);

                cloneButton.css({ 'position': 'absolute', 'left': offset.offsetLeft, 'top': offset.offsetTop - 50 - offsetToOffsetTop }).show();
            }

            MoveButton();
            $(window).on('resize', MoveButton);
            div.append(cloneButton);

            cloneButton.mouseover(function () {
                $(this).css('opacity', '0.2');
            }).mouseleave(function () {
                $(this).css('opacity', '0.4');
            }).click(function () {
                var illustId = '';

                var matched = location.href.match(/artworks\/(\d+)/);
                if (matched) {
                    illustId = matched[1];
                    DoLog(LogLevel.Info, 'IllustId=' + illustId);
                } else {
                    DoLog(LogLevel.Error, 'Can not found illust id!');
                    return;
                }

                $.ajax(g_getUgoiraUrl.replace('#id#', illustId), {
                    method: 'GET',
                    success: function (json) {
                        DoLog(LogLevel.Elements, json);

                        if (json.error == true) {
                            DoLog(LogLevel.Error, 'Server response an error: ' + json.message);
                            return;
                        }

                        // 因为浏览器会拦截不同域的 open 操作，绕一下
                        var newWindow = window.open('_blank');
                        newWindow.location = json.body.originalSrc;
                    },
                    error: function () {
                        DoLog(LogLevel.Error, 'Request zip file failed!');
                    }
                });
            });
        }

        if (this.private.needProcess) {
            var canvas = $('.pp-canvas');

            // 预览模式，需要调成全屏，并且添加下载按钮到全屏播放的 div 里
            if (location.href.indexOf('#preview') != -1) {
                canvas.click();

                $('#root').remove();

                var callbackInterval = setInterval(function () {
                    var div = $('div[role="presentation"]');
                    if (div.length < 1) {
                        return;
                    }

                    DoLog(LogLevel.Info, 'found <div>, continue to next step.');

                    clearInterval(callbackInterval);

                    var presentationCanvas = div.find('canvas');
                    if (presentationCanvas.length < 1) {
                        DoLog(LogLevel.Error, 'Can not found canvas in the presentation div.');
                        return;
                    }

                    var width = 0, height = 0;
                    var tWidth = presentationCanvas.attr('width');
                    var tHeight = presentationCanvas.attr('height');
                    if (tWidth && tHeight) {
                        width = parseInt(tWidth);
                        height = parseInt(tHeight);
                    } else {
                        tWidth = presentationCanvas.css('width');
                        tHeight = presentationCanvas.css('height');
                        width = parseInt(tWidth);
                        height = parseInt(this);
                    }

                    var parent = presentationCanvas.parent();
                    for (var i = 0; i < 3; i++) {
                        parent.get(0).className = '';
                        parent = parent.parent();
                    }
                    presentationCanvas.css({ 'width': width + 'px', 'height': height + 'px', 'cursor': 'default' }).addClass('pp-presentationCanvas');
                    var divForStopClick = $('<div class="pp-disableClick"></div>').css({
                        'width': width + 'px', 'height': height + 'px',
                        'opacity': 0,
                        'position': 'absolute', 'top': '0px', 'left': '0px', 'z-index': 99999,
                    });
                    div.append(divForStopClick);
                    div.append(presentationCanvas.next().css('z-index', 99999));
                    presentationCanvas.next().remove();
                    // 防止预览图消失
                    $('html').addClass('pp-main');

                    // 调整 canvas 大小的函数
                    window.ResizeCanvas = function (newWidth, newHeight) {
                        DoLog(LogLevel.Info, 'Resize canvas: ' + newWidth + 'x' + newHeight);
                        $('.pp-disableClick').css({ 'width': newWidth, 'height': newHeight });
                        $('.pp-presentationCanvas').css({ 'width': newWidth, 'height': newHeight });
                    };
                    window.GetCanvasSize = function () {
                        return {
                            width: width,
                            height: height,
                        };
                    }

                    // 添加下载按钮
                    AddDownloadButton(div, divForStopClick.next(), 0);

                    window.parent.PreviewCallback(width, height);
                }, 500);
            }
            // 普通模式，只需要添加下载按钮到内嵌模式的 div 里
            else {
                var div = $('div[role="presentation"]');
                var button = div.find('button');

                var headerRealHeight = parseInt($('header').css('height')) +
                    parseInt($('header').css('padding-top')) + parseInt($('header').css('padding-bottom')) +
                    parseInt($('header').css('margin-top')) + parseInt($('header').css('margin-bottom')) +
                    parseInt($('header').css('border-bottom-width')) + parseInt($('header').css('border-top-width'));

                AddDownloadButton(div, button, headerRealHeight);
            }
        }
    },
    private: {
        needProcess: false,
    },
};

function CheckUrlTest() {
    var urls = [
        'http://www.pixiv.net',
        'http://www.pixiv.net',
        'https://www.pixiv.net',
        'https://www.pixiv.net/',
        'https://www.pixiv.net/?lang=en',
        'https://www.pixiv.net/search.php?s_mode=s_tag&word=miku',
        'https://www.pixiv.net/search.php?word=VOCALOID&s_mode=s_tag_full',
        'https://www.pixiv.net/discovery',
        'https://www.pixiv.net/discovery?x=1',
        'https://www.pixiv.net/member.php?id=3207350',
        'https://www.pixiv.net/member_illust.php?id=3207350&type=illust',
        'https://www.pixiv.net/bookmark.php?id=3207350&rest=show',
        'https://www.pixiv.net/ranking.php?mode=daily&content=ugoira',
        'https://www.pixiv.net/ranking.php?mode=daily',
        'https://www.pixiv.net/new_illust.php',
        'https://www.pixiv.net/new_illust.php?x=1',
        'https://www.pixiv.net/cate_r18.php',
        'https://www.pixiv.net/cate_r18.php?x=1',
        'https://www.pixiv.net/bookmark.php',
        'https://www.pixiv.net/bookmark.php?x=1',
        'https://www.pixiv.net/stacc?mode=unify',
        'https://www.pixiv.net/artworks/77996773',
        'https://www.pixiv.net/artworks/77996773#preview',
    ];

    for (var j = 0; j < urls.length; j++) {
        for (var i = 0; i < PageType.PageTypeCount; i++) {
            if (Pages[i].CheckUrl(urls[j])) {
                console.log(urls[j]);
                console.log('[' + j + '] is ' + Pages[i].PageTypeString);
            }
        }
    }
}

/* ---------------------------------------- 预览 ---------------------------------------- */
function PixivPreview() {
    var autoLoadInterval = null;

    // 开启预览功能
    function ActivePreview() {
        var returnMap = Pages[g_pageType].GetProcessedPageElements();
        if (!returnMap.loadingComplete) {
            DoLog(LogLevel.Error, 'Page not load, should not call Preview!');
            return;
        }

        // 鼠标进入
        $(returnMap.controlElements).mouseenter(function (e) {
            // 按住 Ctrl键 不显示预览图
            if (e.ctrlKey) {
                return;
            }

            var _this = $(this);
            var illustId = _this.attr('illustId');
            var illustType = _this.attr('illustType');
            var pageCount = _this.attr('pageCount');

            if (illustId == null) {
                DoLog(LogLevel.Error, 'Can not found illustId in this element\'s attrbutes.');
                return;
            }
            if (illustType == null) {
                DoLog(LogLevel.Error, 'Can not found illustType in this element\'s attrbutes.');
                return;
            }
            if (pageCount == null) {
                DoLog(LogLevel.Error, 'Can not found pageCount in this element\'s attrbutes.');
                return;
            }

            // 鼠标位置
            g_mousePos = { x: e.pageX, y: e.pageY };
            // 预览 Div
            var previewDiv = $(document.createElement('div')).addClass('pp-main').attr('illustId', illustId)
            .css({
                'position': 'absolute', 'z-index': '999999', 'left': g_mousePos.x + 'px', 'top': g_mousePos.y + 'px',
                'border-style': 'solid', 'border-color': '#6495ed', 'border-width': '2px', 'border-radius': '20px',
                'width': '48px', 'height': '48px',
                'background-image': 'url(https://pp-1252089172.cos.ap-chengdu.myqcloud.com/transparent.png)',
            });
            // 添加到 body
            $('.pp-main').remove();
            $('body').append(previewDiv);

            // 加载中图片
            var loadingImg = $(new Image()).addClass('pp-loading').attr('src', g_loadingImage).css({
                'position': 'absolute', 'border-radius': '20px',
            });
            previewDiv.append(loadingImg);

            // 要显示的预览图节点
            var loadImg = $(new Image()).addClass('pp-image').css({ 'height': '0px', 'width': '0px', 'display': 'none', 'border-radius': '20px' });
            previewDiv.append(loadImg);

            // 原图（笑脸）图标
            var originIcon = $(new Image()).addClass('pp-original').attr('src', 'https://source.pixiv.net/www/images/pixivcomic-favorite.png')
            .css({ 'position': 'absolute', 'bottom': '5px', 'right': '5px', 'display': 'none' });
            previewDiv.append(originIcon);

            // 点击图标新网页打开原图
            originIcon.click(function () {
                window.open($(previewDiv).children('img')[1].src);
            });

            // 右上角张数标记
            var pageCountHTML = '<div class="pp-pageCount" style="display: flex;-webkit-box-align: center;align-items: center;box-sizing: border-box;margin-left: auto;height: 20px;color: rgb(255, 255, 255);font-size: 10px;line-height: 12px;font-weight: bold;flex: 0 0 auto;padding: 4px 6px;background: rgba(0, 0, 0, 0.32);border-radius: 10px;margin-top:5px;margin-right:5px;">\<svg viewBox="0 0 9 10" width="9" height="10" style="stroke: none;line-height: 0;font-size: 0px;fill: currentcolor;"><path d="M8,3 C8.55228475,3 9,3.44771525 9,4 L9,9 C9,9.55228475 8.55228475,10 8,10 L3,10 C2.44771525,10 2,9.55228475 2,9 L6,9 C7.1045695,9 8,8.1045695 8,7 L8,3 Z M1,1 L6,1 C6.55228475,1 7,1.44771525 7,2 L7,7 C7,7.55228475 6.55228475,8 6,8 L1,8 C0.44771525,8 0,7.55228475 0,7 L0,2 C0,1.44771525 0.44771525,1 1,1 Z"></path></svg><span style="margin-left:2px;" class="pp-page">0/0</span></div>';
            var pageCountDiv = $(pageCountHTML)
            .css({ 'position': 'absolute', 'top': '0px', 'display': 'none', 'right': '0px', 'display': 'none' });
            previewDiv.append(pageCountDiv);

            $('.pp-main').mouseleave(function (e) {
                $(this).remove();
            });

            var url = '';
            if (illustType == 2) {
                // 动图
                var screenWidth = document.documentElement.clientWidth;
                var screenHeight = document.documentElement.clientHeight;
                previewDiv.get(0).innerHTML = '<iframe class="pp-iframe" style="width: 48px; height: 48px; display: none; border-radius: 20px;" src="https://www.pixiv.net/artworks/' + illustId + '#preview" />';
                previewDiv.append(loadingImg);
            } else {
                url = g_getArtworkUrl.replace('#id#', illustId);

                // 获取图片链接
                $.ajax(url, {
                    method: 'GET',
                    success: function (json) {
                        DoLog(LogLevel.Info, 'Got artwork urls:');
                        DoLog(LogLevel.Elements, json);

                        if (json.error === true) {
                            DoLog(LogLevel.Error, 'Server responsed an error: ' + json.message);
                            return;
                        }

                        var regular = [];
                        var original = [];
                        for (var i = 0; i < json.body.length; i++) {
                            regular.push(json.body[i].urls.regular);
                            original.push(json.body[i].urls.original);
                        }

                        DoLog(LogLevel.Info, 'Process urls complete.');
                        DoLog(LogLevel.Elements, regular);
                        DoLog(LogLevel.Elements, original);

                        ViewImages(regular, 0, original, g_settings.original);
                    },
                    error: function (data) {
                        DoLog(LogLevel.Error, 'Request image urls failed!');
                        if (data) {
                            DoLog(LogLevel.Elements, data);
                        }
                    }
                });
            }
        });

        // 鼠标移出图片
        $(returnMap.controlElements).mouseleave(function (e) {
            var _this = $(this);
            var illustId = _this.attr('illustId');
            var illustType = _this.attr('illustType');
            var pageCount = _this.attr('pageCount');

            var moveToElement = $(e.relatedTarget);
            var isMoveToPreviewElement = false;
            // 鼠标移动到预览图上
            while (true) {
                if (moveToElement.hasClass('pp-main') && moveToElement.attr('illustId') == illustId) {
                    isMoveToPreviewElement = true;
                }

                if (moveToElement.parent().length < 1) {
                    break;
                }

                moveToElement = moveToElement.parent();
            }
            if (!isMoveToPreviewElement) {
                // 非预览图上
                $('.pp-main').remove();
            }
        });

        // 鼠标移动，调整位置
        $(returnMap.controlElements).mousemove(function (e) {
            // Ctrl 和 中键 都可以禁止预览图移动，这样就可以单手操作了
            if (e.ctrlKey || e.buttons & 4) {
                return;
            }
            var screenWidth = document.documentElement.clientWidth;
            var screenHeight = document.documentElement.clientHeight;
            g_mousePos.x = e.pageX; g_mousePos.y = e.pageY;

            AdjustDivPosition();
        });

        // 这个页面有自动加载
        if (Pages[g_pageType].HasAutoLoad && autoLoadInterval == null) {
            autoLoadInterval = setInterval(ProcessAutoLoad, 1000);
            DoLog(LogLevel.Info, 'Auto load interval set.');
        }

        // 插一段回调函数
        window.PreviewCallback = PreviewCallback;
        DoLog(LogLevel.Info, 'Callback function was inserted.');
        DoLog(LogLevel.Elements, window.PreviewCallback);

        DoLog(LogLevel.Info, 'Preview enable succeed!');
    }

    // 关闭预览功能，不是给外部用的
    function DeactivePreview() {
        var returnMap = Pages[g_pageType].GetProcessedPageElements();
        if (!returnMap.loadingComplete) {
            DoLog(LogLevel.Error, 'Page not load, should not call Preview!');
            return;
        }

        // 只需要取消绑定事件， attrs 以及回调都不需要删除
        $(returnMap.controlElements).unbind('mouseenter').unbind('mouseleave').unbind('mousemove');

        if (autoLoadInterval) {
            clearInterval(autoLoadInterval);
            autoLoadInterval = null;
        }

        DoLog(LogLevel.Info, 'Preview disable succeed!');
    }

    // iframe 的回调函数
    function PreviewCallback(canvasWidth, canvasHeight) {
        DoLog(LogLevel.Info, 'iframe callback, width: ' + canvasWidth + ', height: ' + canvasHeight);

        var size = AdjustDivPosition();

        $('.pp-loading').hide();
        $('.pp-iframe').css({ 'width': size.width, 'height': size.height }).show();
    }

    // 调整预览 Div 的位置
    function AdjustDivPosition() {
        // 鼠标到预览图的距离
        var fromMouseToDiv = 30;

        var screenWidth = document.documentElement.clientWidth;
        var screenHeight = document.documentElement.clientHeight;
        var left = 0;
        var top = document.body.scrollTop + document.documentElement.scrollTop;

        var width = 0, height = 0;
        if ($('.pp-main').find('iframe').length > 0) {
            var iframe = $('.pp-main').find('iframe').get(0);
            if (iframe.contentWindow.GetCanvasSize) {
                var canvasSize = iframe.contentWindow.GetCanvasSize();
                width = canvasSize.width;
                height = canvasSize.height;
            } else {
                width = 0;
                height = 0;
            }
        } else {
            $('.pp-image').css({ 'width': '', 'height': '' });
            width = $('.pp-image').get(0) == null ? 0 : $('.pp-image').get(0).width;
            height = $('.pp-image').get(0) == null ? 0 : $('.pp-image').get(0).height;
        }

        var isShowOnLeft = g_mousePos.x > screenWidth / 2;

        var newWidth = 48, newHeight = 48;
        if (width > 0 && height > 0) {
            newWidth = isShowOnLeft ? g_mousePos.x - fromMouseToDiv : screenWidth - g_mousePos.x - fromMouseToDiv;
            newHeight = height / width * newWidth;
            // 高度不足以完整显示，只能让两侧留空了
            if (newHeight > screenHeight) {
                newHeight = screenHeight;
                newWidth = newHeight / height * width;
            }
            newWidth -= 5;
            newHeight -= 5;

            // 设置新的宽高
            if ($('.pp-main').find('iframe').length > 0) {
                var iframe = $('.pp-main').find('iframe');
                iframe.get(0).contentWindow.ResizeCanvas(newWidth, newHeight);
                iframe.css({ 'width': newWidth, 'height': newHeight });
            }
            else {
                $('.pp-image').css({ 'height': newHeight + 'px', 'width': newWidth + 'px' });
            }

            // 调整下一次 loading 出现的位置
            $('.pp-loading').css({ 'left': newWidth / 2 - 24 + 'px', 'top': newHeight / 2 - 24 + 'px' });
        }

        // 图片宽度大于高度很多时，会显示在页面顶部，鼠标碰不到，把它移动到下面
        if (top + newHeight <= g_mousePos.y) {
            top = (g_mousePos.y - newHeight - fromMouseToDiv);
        }
        // 调整DIV的位置
        left = isShowOnLeft ? g_mousePos.x - newWidth - fromMouseToDiv : g_mousePos.x + fromMouseToDiv;

        $('.pp-main').css({ 'left': left + 'px', 'top': top + 'px', 'width': newWidth, 'height': newHeight });

        // 返回新的宽高
        return {
            width: newWidth,
            height: newHeight,
        };
    }

    // 显示预览图
    function ViewImages(regular, index, original, isShowOriginal) {
        if (!regular || regular.length === 0) {
            DoLog(LogLevel.Error, 'Regular url array is null, can not view images!');
            return;
        }
        if (index == null || index < 0 || index >= regular.length) {
            DoLog(LogLevel.Error, 'Index(' + index + ') out of range, can not view images!');
            return;
        }
        if (original == null || original.length === 0) {
            DoLog(LogLevel.Warning, 'Original array is null, replace it with regular array.');
            original = regular;
        }
        if (original.length < regular) {
            DoLog(LogLevel.Warning, 'Original array\'s length is less than regular array, replace it with regular array.');
            original = regular;
        }
        if (isShowOriginal == null) {
            isShowOriginal = false;
        }

        if (original.length > 1) {
            $('.pp-page').text((index + 1) + '/' + regular.length);
            $('.pp-pageCount').show();
        }
        if (isShowOriginal) {
            $('.pp-image').addClass('original');
        } else {
            $('.pp-image').removeClass('original');
        }
        g_settings.original = isShowOriginal ? 1 : 0;

        // 隐藏页数和原图标签
        $('.pp-original, .pp-pageCount').hide();

        // 第一次需要绑定事件
        if ($('.pp-image').attr('index') == null) {
            // 绑定点击事件，Ctrl+左键 单击切换原图
            $('.pp-image').on('click', function (ev) {
                var _this = $(this);
                var isOriginal = _this.hasClass('original');
                var index = _this.attr('index');
                if (index == null) {
                    index = 0;
                } else {
                    index = parseInt(index);
                }

                if (ev.ctrlKey) {
                    // 按住 Ctrl 来回切换原图
                    isOriginal = !isOriginal;
                    ViewImages(regular, index, original, isOriginal);
                }
                else if (ev.shiftKey) {
                    // 按住 Shift 点击图片新标签页打开原图
                    window.open(original[index]);
                } else {
                    if (regular.length == 1) {
                        return;
                    }
                    // 如果是多图，点击切换下一张
                    if (++index >= regular.length) {
                        index = 0;
                    }
                    ViewImages(regular, index, original, isOriginal);
                    // 预加载
                    for (var i = index + 1; i < regular.length && i <= index + 3; i++) {
                        var image = new Image();
                        image.src = isOriginal ? original[i] : regular[i];;
                    }
                }
            });

            // 图片预加载完成
            $('.pp-image').on('load', function () {
                // 调整图片位置和大小
                var _this = $(this);
                var size = AdjustDivPosition();
                var isShowOriginal = _this.hasClass('original');

                $('.pp-loading').css('display', 'none');
                // 显示图像、页数、原图标签
                $('.pp-image').css('display', '');
                if (regular.length > 1) {
                    $('.pp-pageCount').show();
                }
                if (isShowOriginal) {
                    $('.pp-original').show();
                }

                // 预加载
                for (var i = index + 1; i < regular.length && i <= index + 3; i++) {
                    var image = new Image();
                    image.src = isShowOriginal ? original[i] : regular[i];;
                }
            }).on('error', function () {
                DoLog(LogLevel.Error, 'Load image failed!');
            });
        }

        $('.pp-image').attr('src', isShowOriginal ? original[index] : regular[index]).attr('index', index);
    }

    // 处理自动加载
    function ProcessAutoLoad() {
        if (Pages[g_pageType].GetProcessedPageElements() == null) {
            DoLog(LogLevel.Error, 'Call ProcessPageElements first!');
            return;
        }

        var oldReturnMap = Pages[g_pageType].GetProcessedPageElements();
        var newReturnMap = Pages[g_pageType].ProcessPageElements();

        if (newReturnMap.loadingComplete) {
            if (oldReturnMap.controlElements.length < newReturnMap.controlElements.length) {
                DoLog(LogLevel.Info, 'Page loaded ' + (newReturnMap.controlElements.length - oldReturnMap.controlElements.length) + ' new work(s).');

                if (g_settings.linkBlank) {
                    $(newReturnMap.controlElements).find('a').attr('target', '_blank');
                }

                DeactivePreview();
                ActivePreview();

                return;
            } else if (oldReturnMap.controlElements.length > newReturnMap.controlElements.length) {
                DoLog(LogLevel.Warning, 'works become less?');

                Pages[g_pageType].private.returnMap = oldReturnMap;

                return;
            }
        }

        DoLog(LogLevel.Info, 'Page not change.');
    }

    // 开启预览
    ActivePreview();
}
/* ---------------------------------------- 排序 ---------------------------------------- */
function PixivSK(callback) {
    // 不合理的设定
    if (g_settings.pageCount < 1 || g_settings.favFilter < 0) {
        g_settings.pageCount = 1;
        g_settings.favFilter = 0;
    }
    // 当前已经取得的页面数量
    var currentGettingPageCount = 0;
    // 当前加载的页面 URL
    var currentUrl = 'https://www.pixiv.net/ajax/search/artworks/';
    // 当前加载的是第几张页面
    var currentPage = 0;
    // 获取到的作品
    var works = [];

    // 仅搜索页启用
    if (g_pageType != PageType.Search) {
        return;
    }

    // 获取第 currentPage 页的作品
    var getWorks = function (onloadCallback) {
        currentUrl = currentUrl.replace(/p=\d+/, 'p=' + currentPage);
        DoLog(LogLevel.Info, 'Current url: ' + currentUrl);

        var req = new XMLHttpRequest();
        req.open('GET', currentUrl, true);
        req.onload = function (event) {
            onloadCallback(req);
        };
        req.onerror = function (event) {
            DoLog(LogLevel.Error, 'Request search page error!');
        };

        req.send(null);
    };

    // 排序和筛选
    var filterAndSort = function () {
        DoLog(LogLevel.Info, 'Start sort.');
        DoLog(LogLevel.Elements, works);
        // 收藏量低于 FAV_FILTER 的作品不显示
        var tmp = [];
        $(works).each(function (i, work) {
            var bookmarkCount = work.bookmarkCount ? work.bookmarkCount : 0;
            if (bookmarkCount >= g_settings.favFilter && !(g_settings.hideFavorite && work.bookmarkData)) {
                tmp.push(work);
            }
        });
        works = tmp;

        // 排序
        works.sort(function (a, b) {
            var favA = a.bookmarkCount;
            var favB = b.bookmarkCount;
            if (!favA) {
                favA = 0;
            }
            if (!favB) {
                favB = 0;
            }
            if (favA > favB) {
                return -1;
            }
            if (favA < favB) {
                return 1;
            }
            return 0;
        });
        DoLog(LogLevel.Info, 'Sort complete.');
        DoLog(LogLevel.Elements, works);
    };

    if (currentPage === 0) {
        var url = location.href;

        if (url.indexOf('&p=') == -1 && url.indexOf('?p=') == -1) {
            DoLog(LogLevel.Warning, 'Can not found page in url.');
            if (url.indexOf('?') == -1) {
                url += '?p=1';
                DoLog(LogLevel.Info, 'Add "?p=1": ' + url);
            } else {
                url += '&p=1';
                DoLog(LogLevel.Info, 'Add "&p=1": ' + url);
            }
        }
        var wordMatch = url.match(/\/tags\/([^/]*)\/artworks/);
        var searchWord = '';
        if (wordMatch) {
            DoLog(LogLevel.Info, 'Search key word: ' + searchWord);
            searchWord = wordMatch[1];
        } else {
            DoLog(LogLevel.Error, 'Can not found search key word!');
            return;
        }

        // page
        var page = url.match(/p=(\d*)/)[1];
        currentPage = parseInt(page);
        DoLog(LogLevel.Info, 'Current page: ' + currentPage);

        currentUrl += searchWord + '?word=' + searchWord + '&p=' + currentPage;
        DoLog(LogLevel.Info, 'Current url: ' + currentUrl);
    } else {
        DoLog(LogLevel.Error, '???');
    }

    var imageContainer = Pages[PageType.Search].GetImageListContainer();
    // loading
    $(imageContainer).hide().before('<div id="loading" style="width:50px;margin-left:auto;margin-right:auto;"><img src="' + g_loadingImage + '" /><p id="progress" style="text-align: center;font-size: large;font-weight: bold;padding-top: 10px;">0%</p></div>');

    // page
    if (true) {
        var pageSelectorDiv = Pages[PageType.Search].GetPageSelector();
        if (pageSelectorDiv == null) {
            DoLog(LogLevel.Error, 'Can not found page selector!');
            return;
        }

        if ($(pageSelectorDiv).find('a').length > 2) {
            var pageButton = $(pageSelectorDiv).find('a').get(1);
            var newPageButtons = [];
            var pageButtonString = 'Previewer';
            for (var i = 0; i < 9; i++) {
                var newPageButton = pageButton.cloneNode(true);
                $(newPageButton).find('span').text(pageButtonString[i]);
                newPageButtons.push(newPageButton);
            }

            $(pageSelectorDiv).find('button').remove();
            while ($(pageSelectorDiv).find('a').length > 2) {
                $(pageSelectorDiv).find('a:first').next().remove();
            }

            for (i = 0; i < 9; i++) {
                $(pageSelectorDiv).find('a:last').before(newPageButtons[i]);
            }

            $(pageSelectorDiv).find('a').attr('href', 'javascript:;');

            var pageUrl = location.href;
            if (pageUrl.indexOf('&p=') == -1 && pageUrl.indexOf('?p=') == -1) {
                if (pageUrl.indexOf('?') == -1) {
                    pageUrl += '?p=1';
                } else {
                    pageUrl += '&p=1';
                }
            }
            var prevPageUrl = pageUrl.replace(/p=\d+/, 'p=' + (currentPage - g_settings.pageCount > 1 ? currentPage - g_settings.pageCount : 1));
            var nextPageUrl = pageUrl.replace(/p=\d+/, 'p=' + (currentPage + g_settings.pageCount));
            DoLog(LogLevel.Info, 'Previous page url: ' + prevPageUrl);
            DoLog(LogLevel.Info, 'Next page url: ' + nextPageUrl);
            // 重新插入一遍清除事件绑定
            var prevButton = $(pageSelectorDiv).find('a:first');
            prevButton.before(prevButton.clone());
            prevButton.remove();
            var nextButton = $(pageSelectorDiv).find('a:last');
            nextButton.before(nextButton.clone());
            nextButton.remove();
            $(pageSelectorDiv).find('a:first').attr('href', prevPageUrl).addClass('pp-prevPage');
            $(pageSelectorDiv).find('a:last').attr('href', nextPageUrl).addClass('pp-nextPage');
        }

        var onloadCallback = function (req) {
            try {
                var json = JSON.parse(req.responseText);
                if (json.hasOwnProperty('error')) {
                    if (json.error === false) {
                        var data = json.body.illustManga.data;
                        works = works.concat(data);
                    } else {
                        DoLog(LogLevel.Error, 'ajax error!');
                        return;
                    }
                } else {
                    DoLog(LogLevel.Error, 'Key "error" not found!');
                    return;
                }
            } catch (e) {
                DoLog(LogLevel.Error, 'A invalid json string!');
                DoLog(LogLevel.Info, req.responseText);
            }

            currentPage++;
            currentGettingPageCount++;
            // 设定数量的页面加载完成
            if (currentGettingPageCount == g_settings.pageCount) {
                DoLog(LogLevel.Info, 'Load complete, start to load bookmark count.');
                DoLog(LogLevel.Elements, works);

                // 获取到的作品里面可能有广告，先删掉，否则后面一些处理需要做判断
                var tempWorks = [];
                for (var i = 0; i < works.length; i++) {
                    if (works[i].illustId) {
                        tempWorks.push(works[i]);
                    }
                }
                works = tempWorks;
                DoLog(LogLevel.Info, 'Clear ad container complete.');
                DoLog(LogLevel.Elements, works);

                GetBookmarkCount(0);
            } else {
                getWorks(onloadCallback);
            }
        };

        getWorks(onloadCallback);
    }

    var xhrs = [];
    var currentRequestGroupMinimumIndex = 0;
    function FillXhrsArray() {
        xhrs.length = 0;
        var onloadFunc = function (event) {
            var matched = event.currentTarget.responseText.match(/bookmarkCount":(\d+)/);
            if (matched) {
                var bookmarkCount = matched[1];
                var illustId = '';
                var illustIdMatched = event.currentTarget.responseURL.match(/artworks\/(\d+)/);
                if (illustIdMatched) {
                    illustId = illustIdMatched[1];
                } else {
                    DoLog(LogLevel.Error, 'Can not get illust id from url!');
                    return;
                }
                var indexOfThisRequest = -1;
                for (var j = 0; j < g_maxXhr; j++) {
                    if (xhrs[j].illustId == illustId) {
                        indexOfThisRequest = j;
                        break;
                    }
                }
                if (indexOfThisRequest == -1) {
                    DoLog('This url not match any request!');
                    return;
                }
                xhrs[indexOfThisRequest].complete = true;

                works[currentRequestGroupMinimumIndex + indexOfThisRequest].bookmarkCount = parseInt(bookmarkCount);
                DoLog(LogLevel.Info, 'IllustId: ' + illustId + ', bookmarkCount: ' + bookmarkCount);

                var completeCount = 0;
                for (j = 0; j < g_maxXhr; j++) {
                    if (xhrs[j].complete) {
                        completeCount++;
                    }
                }
                if (completeCount == g_maxXhr) {
                    $('#loading').find('#progress').text(parseInt((currentRequestGroupMinimumIndex + 1) * 1.0 / works.length * 100) + '%');
                    currentRequestGroupMinimumIndex += g_maxXhr;
                    GetBookmarkCount(currentRequestGroupMinimumIndex);
                }
            }
        };
        var onerrorFunc = function (event) {
            var illustId = '';
            var illustIdMatched = event.currentTarget.responseUrl.match(/artworks\/(\d+)/);
            if (illustIdMatched) {
                illustId = illustIdMatched[1];
            } else {
                DoLog(LogLevel.Error, 'Can not get illust id from url!');
                return;
            }

            DoLog(LogLevel.Error, 'Send request failed, set this illust(' + illustId + ')\'s bookmark count to 0!');

            var indexOfThisRequest = -1;
            for (var j = 0; j < g_maxXhr; j++) {
                if (xhrs[j].illustId == illustId) {
                    indexOfThisRequest = j;
                    break;
                }
            }
            if (indexOfThisRequest == -1) {
                DoLog('This url not match any request!');
                return;
            }
            xhrs[indexOfThisRequest].complete = true;

            var completeCount = 0;
            for (j = 0; j < g_maxXhr; j++) {
                if (xhrs[j].complete) {
                    completeCount++;
                }
            }
            if (completeCount == g_maxXhr) {
                $('#loading').find('#progress').text(parseInt((currentRequestGroupMinimumIndex + 1) * 1.0 / works.length * 100) + '%');
                GetBookmarkCount(currentRequestGroupMinimumIndex + g_maxXhr);
            }
        };
        for (var i = 0; i < g_maxXhr; i++) {
            xhrs.push({
                xhr: new XMLHttpRequest(),
                illustId: '',
                complete: false,
            });
            xhrs[i].xhr.onload = onloadFunc;
            xhrs[i].xhr.onerror = onerrorFunc;
        }
    }

    var GetBookmarkCount = function (index) {
        if (index >= works.length) {
            clearAndUpdateWorks();
            return;
        }

        if (xhrs.length === 0) {
            FillXhrsArray();
        }

        for (var i = 0; i < g_maxXhr; i++) {
            if (index + i >= works.length) {
                xhrs[i].complete = true;
                continue;
            }

            var illustId = works[index + i].illustId;
            var url = 'https://www.pixiv.net/artworks/' + illustId;
            xhrs[i].illustId = illustId;
            xhrs[i].complete = false;
            xhrs[i].xhr.open('GET', url, true);
            xhrs[i].xhr.send(null);
        }
    };

    /*
    li
    -div
    --div
    ---div
    ----div
    -----div
    ------a
    -------div: 多图标签、R18标签
    -------div: 里面是 img （以及 svg 动图标签）
    ------div: 里面是 like 相关的元素
    ---a: 作品标题，跳转链接
    ---div: 作者头像和昵称
    */
    var clearAndUpdateWorks = function () {
        filterAndSort();

        var container = Pages[PageType.Search].GetImageListContainer();
        var firstImageElement = Pages[PageType.Search].GetFirstImageElement();
        var imageElementTemplate = firstImageElement.cloneNode(true);
        // 清理模板
        if (true) {
            // image
            var img = $($(imageElementTemplate).find('img').get(0));
            var imageDiv = img.parent();
            var imageLink = imageDiv.parent();
            var imageLinkDiv = imageLink.parent();
            var titleLink = imageLinkDiv.parent().next();
            if (img == null || imageDiv == null || imageLink == null || imageLinkDiv == null || titleLink == null) {
                DoLog(LogLevel.Error, 'Can not found some elements!');
            }

            // author
            var authorDiv = titleLink.next();
            var authorLinks = authorDiv.find('a'); // 点击头像和昵称都可以
            var authorName = $(authorLinks.children('div'));
            authorName.each(function (i, e) {
                if ($(e).children().length === 0) {
                    authorName = $(e);
                    return false;
                }
            });
            var authorImage = $(authorDiv.find('img').get(0));

            // others
            var bookmarkDiv = imageLink.next();
            var bookmarkSvg = bookmarkDiv.find('svg');
            var additionTagDiv = imageDiv.prev();
            var animationTag = imageDiv.find('svg');

            var bookmarkCountDiv = additionTagDiv.clone();
            bookmarkCountDiv.css({ 'top': 'auto', 'bottom': '0px', 'width': '50%' });
            additionTagDiv.parent().append(bookmarkCountDiv);

            // 添加 class，方便后面修改内容
            img.addClass('ppImg');
            imageLink.addClass('ppImageLink');
            titleLink.addClass('ppTitleLink');
            authorLinks.addClass('ppAuthorLink');
            authorName.addClass('ppAuthorName');
            authorImage.addClass('ppAuthorImage');
            bookmarkSvg.addClass('ppBookmarkSvg');
            additionTagDiv.addClass('ppAdditionTag');
            bookmarkCountDiv.addClass('ppBookmarkCount');

            img.attr('src', '');
            additionTagDiv.empty();
            bookmarkCountDiv.empty();
            animationTag.remove();
            bookmarkSvg.find('path:first').css('fill', 'rgb(31, 31, 31)');
            bookmarkSvg.find('path:last').css('fill', 'rgb(255, 255, 255)');

            if (g_settings.linkBlank) {
                imageLink.attr('target', '_blank');
                titleLink.attr('target', '_blank');
                authorLinks.attr('target', '_blank');
            }
        }

        $(container).empty();
        for (var i = 0; i < works.length; i++) {
            var li = $(imageElementTemplate.cloneNode(true));

            li.find('.ppImg').attr('src', works[i].url);
            li.find('.ppImageLink').attr('href', '/artworks/' + works[i].illustId);
            li.find('.ppTitleLink').attr('href', '/artworks/' + works[i].illustId).text(works[i].title);
            li.find('.ppAuthorLink').attr('href', '/member.php?id=' + works[i].userId);
            li.find('.ppAuthorName').text(works[i].userName);
            li.find('.ppAuthorImage').attr('src', works[i].profileImageUrl);
            li.find('.ppBookmarkSvg').attr('illustId', works[i].illustId);
            if (works[i].bookmarkData) {
                li.find('.ppBookmarkSvg').find('path').css('fill', 'rgb(255, 64, 96)');
                li.find('.ppBookmarkSvg').attr('bookmarkId', works[i].bookmarkData.id);
            }
            if (works[i].xRestrict !== 0) {
                var R18HTML = '<div style="margin-top: 2px; margin-left: 2px;"><div style="color: rgb(255, 255, 255);font-weight: bold;font-size: 10px;line-height: 1;padding: 3px 6px;border-radius: 3px;background: rgb(255, 64, 96);">R-18</div></div>';
                li.find('.ppAdditionTag').append(R18HTML);
            }
            if (works[i].pageCount > 1) {
                var pageCountHTML = '<div style="display: flex;-webkit-box-align: center;align-items: center;box-sizing: border-box;margin-left: auto;height: 20px;color: rgb(255, 255, 255);font-size: 10px;line-height: 12px;font-weight: bold;flex: 0 0 auto;padding: 4px 6px;background: rgba(0, 0, 0, 0.32);border-radius: 10px;">\<svg viewBox="0 0 9 10" width="9" height="10" style="stroke: none;line-height: 0;font-size: 0px;fill: currentcolor;"><path d="M8,3 C8.55228475,3 9,3.44771525 9,4 L9,9 C9,9.55228475 8.55228475,10 8,10 L3,10 C2.44771525,10 2,9.55228475 2,9 L6,9 C7.1045695,9 8,8.1045695 8,7 L8,3 Z M1,1 L6,1 C6.55228475,1 7,1.44771525 7,2 L7,7 C7,7.55228475 6.55228475,8 6,8 L1,8 C0.44771525,8 0,7.55228475 0,7 L0,2 C0,1.44771525 0.44771525,1 1,1 Z"></path></svg><span class="sc-fzXfOw bAzGJW">' + works[i].pageCount + '</span></div>';
                li.find('.ppAdditionTag').append(pageCountHTML);
            }
            var bookmarkCountHTML = '<div style="margin-bottom: 6px; margin-left: 2px;"><div style="color: rgb(7, 95, 166);font-weight: bold;font-size: 13px;line-height: 1;padding: 3px 6px;border-radius: 3px;background: rgb(204, 236, 255);">' + works[i].bookmarkCount + ' likes</div></div>';
            li.find('.ppBookmarkCount').append(bookmarkCountHTML);
            if (works[i].illustType == 2) {
                var animationHTML = '<svg viewBox="0 0 24 24" style="width: 48px; height: 48px;stroke: none;fill: rgb(255, 255, 255);line-height: 0;font-size: 0px;vertical-align: middle;position:absolute;"><circle cx="12" cy="12" r="10" style="fill: rgb(0, 0, 0);fill-opacity: 0.4;"></circle><path d="M9,8.74841664 L9,15.2515834 C9,15.8038681 9.44771525,16.2515834 10,16.2515834 C10.1782928,16.2515834 10.3533435,16.2039156 10.5070201,16.1135176 L16.0347118,12.8619342 C16.510745,12.5819147 16.6696454,11.969013 16.3896259,11.4929799 C16.3034179,11.3464262 16.1812655,11.2242738 16.0347118,11.1380658 L10.5070201,7.88648243 C10.030987,7.60646294 9.41808527,7.76536339 9.13806578,8.24139652 C9.04766776,8.39507316 9,8.57012386 9,8.74841664 Z"></path></svg>';
                li.find('.ppImg').after(animationHTML);
            }

            $(container).append(li);
        }

        // 监听加入书签点击事件，监听父节点，但是按照 <svg> 节点处理
        $('.ppBookmarkSvg').parent().on('click', function () {
            if (g_csrfToken == '') {
                DoLog(LogLevel.Error, 'No g_csrfToken, failed to add bookmark!');
                alert('获取 Token 失败，无法添加，请到详情页操作。');
                return;
            }

            var _this = $(this).children('svg:first');
            var illustId = _this.attr('illustId');
            var bookmarkId = _this.attr('bookmarkId');
            if (bookmarkId == null || bookmarkId == '') {
                DoLog(LogLevel.Info, 'Add bookmark, illustId: ' + illustId);
                $.ajax('/ajax/illusts/bookmarks/add', {
                    method: 'POST',
                    contentType: 'application/json;charset=utf-8',
                    headers: { 'x-csrf-token': g_csrfToken },
                    data: '{"illust_id":"' + illustId + '","restrict":0,"comment":"","tags":[]}',
                    success: function (data) {
                        DoLog(LogLevel.Info, 'addBookmark result: ');
                        DoLog(LogLevel.Elements, data);
                        if (data.error) {
                            DoLog(LogLevel.Error, 'Server returned an error: ' + data.message);
                            return;
                        }
                        var bookmarkId = data.body.last_bookmark_id;
                        DoLog(LogLevel.Info, 'Add bookmark success, bookmarkId is ' + bookmarkId);
                        _this.attr('bookmarkId', bookmarkId);
                        _this.find('path').css('fill', 'rgb(255, 64, 96)');
                    }
                });
            } else {
                DoLog(LogLevel.Info, 'Delete bookmark, bookmarkId: ' + bookmarkId);
                $.ajax('/rpc/index.php', {
                    method: 'POST',
                    headers: { 'x-csrf-token': g_csrfToken },
                    data: { "mode": "delete_illust_bookmark", "bookmark_id": bookmarkId },
                    success: function (data) {
                        DoLog(LogLevel.Info, 'addBookmark result: ');
                        DoLog(LogLevel.Elements, data);
                        if (data.error) {
                            DoLog(LogLevel.Error, 'Server returned an error: ' + data.message);
                            return;
                        }
                        DoLog(LogLevel.Info, 'Delete bookmark success.');
                        _this.attr('bookmarkId', '');
                        _this.find('path:first').css('fill', 'rgb(31, 31, 31)');
                        _this.find('path:last').css('fill', 'rgb(255, 255, 255)');
                    }
                });
            }

            _this.parent().focus();
        });

        if (works.length === 0) {
            $('.column-search-result')[0].innerHTML = '<div class="_no-item">未找到任何相关结果</div>';
        }

        // 恢复显示
        $('#loading').remove();
        $(container).show();

        Pages[PageType.Search].ProcessPageElements();

        // 监听键盘的左右键，用来翻页
        $(document).keydown(function (e) {
            if (g_settings.pageByKey != 1) {
                return;
            }
            if (e.keyCode == 39) {
                var btn = $('.pp-nextPage');
                if (btn.length < 1 || btn.attr('hidden') == 'hidden') {
                    return;
                }
                // 很奇怪不能用 click()
                location.href = btn.attr('href');
            } else if (e.keyCode == 37) {
                var btn = $('.pp-prevPage');
                if (btn.length < 1 || btn.attr('hidden') == 'hidden') {
                    return;
                }
                location.href = btn.attr('href');
            }
        });

        if (callback) {
            callback();
        }
    }
    }
/* ---------------------------------------- 设置 ---------------------------------------- */
function SetCookie(name, value) {
    var Days = 180;
    var exp = new Date();
    exp.setTime(exp.getTime() + Days * 24 * 60 * 60 * 1000);
    var str = JSON.stringify(value);
    document.cookie = name + "=" + str + ";expires=" + exp.toGMTString() + ';path=\/';
}
function GetCookie(name) {
    var arr, reg = new RegExp("(^| )" + name + "=([^;]*)(;|$)");
    if (arr = document.cookie.match(reg)) {
        return unescape(arr[2]);
    }
    else {
        return null;
    }
}
function ShowInstallMessage() {
    $('#pp-bg').remove();
    var bg = $('<div id="pp-bg"></div>').css({
        'width': document.documentElement.clientWidth + 'px', 'height': document.documentElement.clientHeight + 'px', 'position': 'fixed',
        'z-index': 999999, 'background-color': 'rgba(0,0,0,0.8)',
        'left': '0px', 'top': '0px'
    });
    $('body').append(bg);

    bg.get(0).innerHTML = '<img id="pps-close"src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/Close.png"style="position: absolute; right: 35px; top: 20px; width: 32px; height: 32px; cursor: pointer;"><div style="position: absolute;width: 40%;left: 30%;top: 25%;font-size: 25px; text-align: center; color: white;">欢迎使用 PixivPreviewer v' + g_version + '</div><br><div style="position: absolute;width: 40%;left: 30%;top: 30%;font-size: 20px; color: white;"><p style="text-indent: 2em;">小版本更新（v3.0.6)，排序后的页面现在可以使用键盘的←→键进行翻页，默认关闭，需要在设置中开启。</p><p style="text-indent: 2em;"> v3.0.x 是对 v2.08 进行了大量改动后的版本，因此可能不稳定，如果发现问题，请到<a style="color: green;" href="https://greasyfork.org/zh-CN/scripts/30766-pixiv-previewer/feedback" target="_blank"> 反馈页面 </a>反馈，我会尽快修复，也欢迎提出建议，非常感谢！</p><p style="text-indent: 2em;">排序功能会比之前的版本慢，具体时间视Pixiv的加载速度而定，原因是新的搜索页面不会再显示排序所必须的收藏量。</p><p style="text-indent: 2em;">如果您是第一次使用，推荐到<a style="color: green;" href="https://greasyfork.org/zh-CN/scripts/30766-pixiv-previewer" target="_blank"> 详情页 </a>查看脚本介绍。</p></div>';
    $('#pps-close').click(function () {
        $('#pp-bg').remove();
    });
}
function GetSettings() {
    var settings;

    var cookie = GetCookie('PixivPreview');
    // 新安装
    if (cookie == null || cookie == 'null') {
        settings = g_defaultSettings;
        SetCookie('PixivPreview', settings);

        ShowInstallMessage();
    } else {
        settings = JSON.parse(cookie);
    }

    // 升级
    if (settings.version != g_version) {
        ShowInstallMessage();
    }

    if (settings.version == null || settings.version != g_version) {
        settings.version = g_version;
        SetCookie('PixivPreview', settings);
    }

    return settings;
}
function ShowSetting() {
    var screenWidth = document.documentElement.clientWidth;
    var screenHeight = document.documentElement.clientHeight;

    if (screenWidth < 1280 || screenHeight < 720) {
        DoLog(LogLeve.Warning, 'Window too small to display all setting contents.');
    }

    $('#pp-bg').remove();
    var bg = $('<div id="pp-bg"></div>').css({
        'width': screenWidth + 'px', 'height': screenHeight + 'px', 'position': 'fixed',
        'z-index': 999999, 'background-color': 'rgba(0,0,0,0.8)',
        'left': '0px', 'top': '0px'
    });
    $('body').append(bg);

    var settings = GetSettings();

    var settingHTML = '<div style="color: white; font-size: 1em;"><img id="pps-close" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/Close.png" style="position: absolute; right: 35px; top: 20px; width: 32px; height: 32px; cursor: pointer;"><div style="position: absolute; width: 40%; left: 25%; top: 25%; overflow: hidden;"><ul style="list-style: none; padding: 0; margin: 0;"><li style="height: 32px; font-size: 25px;">预览</li><li style="height: 32px; font-size: 25px;">排序（仅搜索页生效）</li><li style="height: 32px; font-size: 25px;">动图下载（动图预览及详情页生效）</li><li style="height: 32px; font-size: 25px;">预览时优先显示原图（慢）</li><li style="height: 32px; font-size: 25px;"></li><li style="height: 32px; font-size: 25px;">每次排序时统计的最大页数</li><li style="height: 32px; font-size: 25px;">隐藏收藏数少于设定值的作品</li><li style="height: 32px; font-size: 25px;">排序时隐藏已收藏的作品</li><li style="height: 32px; font-size: 25px;">使用新标签页打开作品详情页</li><li style="height: 32px; font-size: 25px;">使用键盘←→进行翻页（排序后的搜索页）</li></ul></div><div id="pps-right" style="position: absolute; width: 10%; right: 25%; text-align: right; top: 25%;"><ul style="list-style: none; padding: 0; margin: 0;"><li style="height: 32px;"><img id="pps-preview" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png" style="height: 32px; cursor: pointer;"></li><li style="height: 32px;"><img id="pps-sort" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png" style="height: 32px; cursor: pointer;"></li><li style="height: 32px;"><img id="pps-anime" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png" style="height: 32px; cursor: pointer;"></li><li style="height: 32px;"><img id="pps-original" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png" style="height: 32px; cursor: pointer;"></li><li style="height: 32px;"></li><li style="height: 32px;"><input id="pps-maxPage" style="height: 28px; font-size: 24px; padding: 0px; margin: 0px; border-width: 0px; width: 64px; text-align: center;"></li><li style="height: 32px;"><input id="pps-hideLess" style="height: 28px; font-size: 24px; padding: 0px; margin: 0px; border-width: 0px; width: 64px; text-align: center;"></li><li style="height: 32px;"><img id="pps-hideBookmarked" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png" style="height: 32px; cursor: pointer;"></li><li style="height: 32px;"><img id="pps-newTab" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png" style="height: 32px; cursor: pointer;"></li><li style="height: 32px;"><img id="pps-pageKey" src="https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png" style="height: 32px; cursor: pointer;"></li></ul></div><div style="margin-top: 10px;position: absolute;bottom: 20%;width: 100%;text-align: center;"><button id="pps-save" style="font-size: 25px;border-radius: 15px;height: 48px;width: 128px;background-color: green;color: white;margin: 0 32px 0 32px;cursor: pointer;border: none;">保存设置</button><button id="pps-reset" style="font-size: 25px;border-radius: 15px;height: 48px;width: 128px;background-color: darkred;color: white;margin: 0 32px 0 32px;cursor: pointer;border: none;">重置脚本</button></div></div>';

    bg.get(0).innerHTML = settingHTML;

    var imgOn = 'https://pp-1252089172.cos.ap-chengdu.myqcloud.com/On.png';
    var imgOff = 'https://pp-1252089172.cos.ap-chengdu.myqcloud.com/Off.png'
    $('#pps-preview').attr('src', settings.enablePreview ? imgOn : imgOff).addClass(settings.enablePreview ? 'on' : 'off');
    $('#pps-sort').attr('src', settings.enableSort ? imgOn : imgOff).addClass(settings.enableSort ? 'on' : 'off');
    $('#pps-anime').attr('src', settings.enableAnimeDownload ? imgOn : imgOff).addClass(settings.enableAnimeDownload ? 'on' : 'off');
    $('#pps-original').attr('src', settings.original ? imgOn : imgOff).addClass(settings.original ? 'on' : 'off');
    $('#pps-maxPage').val(settings.pageCount);
    $('#pps-hideLess').val(settings.favFilter);
    $('#pps-hideBookmarked').attr('src', settings.hideFavorite ? imgOn : imgOff).addClass(settings.hideFavorite ? 'on' : 'off');
    $('#pps-newTab').attr('src', settings.linkBlank ? imgOn : imgOff).addClass(settings.linkBlank ? 'on' : 'off');
    $('#pps-pageKey').attr('src', settings.pageByKey ? imgOn : imgOff).addClass(settings.pageByKey ? 'on' : 'off');

    $('#pps-right').find('img').click(function () {
        var _this = $(this);

        if (_this.hasClass('on')) {
            _this.attr('src', imgOff).removeClass('on').addClass('off');
        } else {
            _this.attr('src', imgOn).removeClass('off').addClass('on');
        }
    });

    $('#pps-save').click(function () {
        if ($('#pps-maxPage').val() === '') {
            $('#pps-maxPage').val(g_defaultSettings.pageCount);
        }
        if ($('#pps-hideLess').val() == '') {
            $('#pps-hideLess').val(g_defaultSettings.favFilter);
        }

        var settings = {
            'enablePreview': $('#pps-preview').hasClass('on') ? 1 : 0,
            'enableSort': $('#pps-sort').hasClass('on') ? 1 : 0,
            'enableAnimeDownload': $('#pps-anime').hasClass('on') ? 1 : 0,
            'original': $('#pps-original').hasClass('on') ? 1 : 0,
            'pageCount': parseInt($('#pps-maxPage').val()),
            'favFilter': parseInt($('#pps-hideLess').val()),
            'hideFavorite': $('#pps-hideBookmarked').hasClass('on') ? 1 : 0,
            'linkBlank': $('#pps-newTab').hasClass('on') ? 1 : 0,
            'pageByKey': $('#pps-pageKey').hasClass('on') ? 1 : 0,
            'version': g_version,
        }

        SetCookie('PixivPreview', settings);

        location.href = location.href;
    });

    $('#pps-reset').click(function () {
        var comfirmText = "这会删除所有设置，相当于重新安装脚本，确定要重置吗？";
        if (confirm(comfirmText)) {
            SetCookie('PixivPreview', null);
            location.href = location.href;
        }
    });

    $('#pps-close').click(function () {
        $('#pp-bg').remove();
    });
}
/* --------------------------------------- 主函数 --------------------------------------- */
var loadInterval = setInterval(function () {
    // 匹配当前页面
    for (var i = 0; i < PageType.PageTypeCount; i++) {
        if (Pages[i].CheckUrl(location.href)) {
            g_pageType = i;
            break;
        }
    }
    if (g_pageType >= 0) {
        DoLog(LogLevel.Info, 'Current page is ' + Pages[g_pageType].PageTypeString);
    } else {
        DoLog(LogLevel.Info, 'Unsupported page.');
        clearInterval(loadInterval);
        return;
    }

    // 设置按钮
    var toolBar = Pages[g_pageType].GetToolBar();
    if (toolBar) {
        DoLog(LogLevel.Elements, toolBar);
        clearInterval(loadInterval);
    } else {
        DoLog(LogLevel.Warning, 'Get toolbar failed.');
        return;
    }

    toolBar.appendChild(toolBar.firstChild.cloneNode(true));
    toolBar.lastChild.outerHTML = '<button style="background-color: rgb(0, 0, 0);margin-top: 5px;opacity: 0.8;cursor: pointer;border: none;padding: 12px;border-radius: 24px;width: 48px;height: 48px;"><svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 1000 1000" enable-background="new 0 0 1000 1000" xml:space="preserve" style="fill: white;"><metadata> Svg Vector Icons : http://www.sfont.cn </metadata><g><path d="M377.5,500c0,67.7,54.8,122.5,122.5,122.5S622.5,567.7,622.5,500S567.7,377.5,500,377.5S377.5,432.3,377.5,500z"></path><path d="M990,546v-94.8L856.2,411c-8.9-35.8-23-69.4-41.6-100.2L879,186L812,119L689,185.2c-30.8-18.5-64.4-32.6-100.2-41.5L545.9,10h-94.8L411,143.8c-35.8,8.9-69.5,23-100.2,41.5L186.1,121l-67,66.9L185.2,311c-18.6,30.8-32.6,64.4-41.5,100.3L10,454v94.8L143.8,589c8.9,35.8,23,69.4,41.6,100.2L121,814l67,67l123-66.2c30.8,18.6,64.5,32.6,100.3,41.5L454,990h94.8L589,856.2c35.8-8.9,69.4-23,100.2-41.6L814,879l67-67l-66.2-123.1c18.6-30.7,32.6-64.4,41.5-100.2L990,546z M500,745c-135.3,0-245-109.7-245-245c0-135.3,109.7-245,245-245s245,109.7,245,245C745,635.3,635.3,745,500,745z"></path></g></svg></button>';
    $(toolBar.lastChild).css('margin-top', '10px');
    $(toolBar.lastChild).css('opacity', '0.8');
    $(toolBar.lastChild).click(function () {
        ShowSetting();
    });

    // 读取设置
    g_settings = GetSettings();

    // g_csrfToken
    if (g_pageType == PageType.Search) {
        $.get(location.href, function (data) {
            var matched = data.match(/token":"([a-z0-9]{32})/);
            if (matched.length > 0) {
                g_csrfToken = matched[1];
                DoLog(LogLevel.Info, 'Got g_csrfToken: ' + g_csrfToken);
            } else {
                DoLog(LogLevel.Error, 'Can not get g_csrfToken, so you can not add works to bookmark when sorting has enabled.');
            }
        });
    }

    // 现在 P站点击一些按钮不会重新加载页面了，脚本也不会重新加载，会导致一些问题。如果检测到 url 变了，就刷新一下
    setInterval(function () {
        if (location.href != initialUrl) {
            location.href = location.href;
        }
    }, 1000);

    // 排序、预览
    var itv = setInterval(function () {
        var returnMap = Pages[g_pageType].ProcessPageElements();
        if (!returnMap.loadingComplete) {
            return;
        }

        DoLog(LogLevel.Info, 'Process page comlete, sorting and prevewing begin.');
        DoLog(LogLevel.Elements, returnMap);

        clearInterval(itv);

        if (g_settings.linkBlank) {
            $(returnMap.controlElements).find('a').attr('target', '_blank');
        }

        try {
            if (g_pageType == PageType.Artwork) {
                Pages[g_pageType].Work();
            }
            else if (g_pageType == PageType.Search) {
                if (g_settings.enableSort) {
                    PixivSK(g_settings.enablePreview ? PixivPreview : null);
                } else if (g_settings.enablePreview) {
                    PixivPreview();
                }
            } else if (g_settings.enablePreview) {
                PixivPreview();
            }

            window.onresize = function() {
                if ($('#pps-save').length > 0) {
                    ShowSetting();
                }
            };
        }
        catch (e) {
            DoLog(LogLevel.Error, 'Unknown error: ' + e);
        }
    }, 500);
}, 1000);