增强 DuckDuckGo 瀏覽體驗 - 雙点即达页首/跨引擎即刻搜/聚焦搜尋文字/分欄結果視圖/快速類別導覽/搜尋語法助手/結果項小工具/全功能快捷鍵
// ==UserScript==
// @name DuckDuckGo Enhancer
// @name:zh-CN DuckDuckGo 增强
// @name:zh-TW DuckDuckGo 增強
// @description Enhance Your DuckDuckGo Experience - Double-Click To Top / Instant Cross-Engine Search / Focused Keyword Highlighting / Dual-Column Results View / Quick Category Navigation / Search Syntax Helper / Result Item Widget / Powerful Keyboard Shortcuts
// @description:zh-CN 增强 DuckDuckGo 浏览体验 - 双点即达页首/跨引擎即刻搜/聚焦搜索文本/分栏结果视图/快捷类别导航/搜索语法助手/结果项小工具/全功能快捷键
// @description:zh-TW 增强 DuckDuckGo 瀏覽體驗 - 雙点即达页首/跨引擎即刻搜/聚焦搜尋文字/分欄結果視圖/快速類別導覽/搜尋語法助手/結果項小工具/全功能快捷鍵
// @version 1.4.0
// @icon https://raw.githubusercontent.com/MiPoNianYou/UserScripts/refs/heads/main/Icons/DuckDuckGo-Enhancer-Icon.svg
// @author 念柚
// @namespace https://github.com/MiPoNianYou/UserScripts
// @supportURL https://github.com/MiPoNianYou/UserScripts/issues
// @license AGPL-3.0
// @match https://duckduckgo.com/*
// @grant GM_addStyle
// @grant GM_setValue
// @grant GM_getValue
// ==/UserScript==
(function () {
"use strict";
const Config = {
ELEMENT_SELECTORS: {
INTERACTIVE_ELEMENT:
'a, button, input, select, textarea, [role="button"], [tabindex]:not([tabindex="-1"])',
SEARCH_FORM: "#search_form",
SEARCH_INPUT: "#search_form_input",
HEADER_SEARCH_AREA: "div.header__content.header__search",
HEADER_ACTIONS: ".header--aside",
CONTENT_WRAPPER: "#web_content_wrapper",
LAYOUT_CONTAINER: "#react-layout > div > div",
MAINLINE_SECTION: 'section[data-testid="mainline"]',
SIDEBAR: 'section[data-testid="sidebar"]',
RESULTS_CONTAINER: "ol.react-results--main",
WEB_RESULT: 'article[data-testid="result"]',
WEB_RESULT_OPTIONS_CONTAINER: "div.OHr0VX9IuNcv6iakvT6A",
WEB_RESULT_OPTIONS_BUTTON: "button.cxQwADb9kt3UnKwcXKat",
WEB_RESULT_TITLE_LINK: 'h2 a[data-testid="result-title-a"]',
WEB_RESULT_TITLE_SPAN: 'h2 a[data-testid="result-title-a"] span',
WEB_RESULT_SNIPPET: 'div[data-result="snippet"] > div > span > span',
WEB_RESULT_URL: 'a[data-testid="result-extras-url-link"] p span',
IMAGE_RESULT: 'div[data-testid="zci-images"] figure',
IMAGE_CAPTION: "figcaption p span",
VIDEO_RESULT:
'div[data-testid="zci-videos"] article.O9Ipab51rBntYb0pwOQn',
VIDEO_TITLE: "h2 span.kY2IgmnCmOGjharHErah",
NEWS_RESULT: "article a.ksuAj6IYz34FJu0vGKNy",
NEWS_TITLE: "h2.WctuDfRzXeUleKwpnBCx",
NEWS_SNIPPET: "div.kY2IgmnCmOGjharHErah p",
NAV_TAB: "#react-duckbar nav ul:first-of-type > li > a",
PAGE_SEPARATOR_LI: "li._LX3Dolif_D4E_6W6Fbr",
FEEDBACK_BUTTON_CONTAINER: "div.TccjmKV6RraCaCw5L9gd",
PRIVACY_PROMO_CONTAINER:
"div.header--aside__item.header--aside__item--hidden-lg",
},
CSS_CLASSES: {
ACTIVE_NAV_TAB: "SnptgjT2zdOhGYfNng6g",
SEARCH_ENGINE_GROUP: "ddge-search-engine-group",
SEARCH_ENGINE_BUTTON: "ddge-search-engine-button",
SEARCH_ENGINE_ICON: "ddge-search-engine-icon",
KEYWORD_HIGHLIGHT: "ddge-keyword-highlight",
HIGHLIGHTING_DISABLED: "ddge-highlighting-disabled",
COPY_LINK_BUTTON: "ddge-copy-link-button",
RESULT_ACTION_ICON_WRAPPER: "ddge-result-action-icon-wrapper",
RESULT_ACTION_TEXT_LABEL: "ddge-result-action-text-label",
COPY_LINK_BUTTON_COPIED: "ddge-copied",
COPY_LINK_BUTTON_FAILED: "ddge-failed",
SITE_SEARCH_BUTTON: "ddge-site-search-button",
SITE_BLOCK_BUTTON: "ddge-site-block-button",
SYNTAX_SHORTCUT_BUTTON: "ddge-syntax-shortcut-button",
DUAL_COLUMN_LAYOUT: "ddge-dual-column-layout",
DUAL_COLUMN_ACTIVE: "ddge-dual-column-active",
TOGGLE_BUTTON_WRAPPER: "ddge-toggle-wrapper",
TOGGLE_BUTTON: "ddge-toggle-button",
MATERIAL_BUTTON: "ddge-material-button",
},
ELEMENT_IDS: {
HIGHLIGHT_TOGGLE_WRAPPER: "ddge-highlight-toggle-wrapper",
SYNTAX_SHORTCUTS_CONTAINER: "ddge-syntax-shortcuts-container",
DUAL_COLUMN_TOGGLE_WRAPPER: "ddge-dual-column-toggle-wrapper",
},
STORAGE_KEYS_FEATURES: {
HIGHLIGHT_ENABLED: "ddge_highlightEnabled",
DUAL_COLUMN_ENABLED: "ddge_dualColumnEnabled",
},
KEYBINDING_CONFIG: {
SHORTCUTS: [
{
id: "toggleHighlight",
key: "h",
actionIdentifier: "handleHighlightToggle",
},
{
id: "toggleDualColumn",
key: "d",
actionIdentifier: "handleDualColumnToggle",
},
{
id: "navigateToNextTab",
key: "]",
actionIdentifier: "navigateTabsNext",
},
{
id: "navigateToPrevTab",
key: "[",
actionIdentifier: "navigateTabsPrev",
},
],
},
};
Config.FEATURE_CONFIGS = {
HIGHLIGHT_SELECTORS: {
web: {
itemSelector: Config.ELEMENT_SELECTORS.WEB_RESULT,
targetSelectors: [
Config.ELEMENT_SELECTORS.WEB_RESULT_TITLE_SPAN,
Config.ELEMENT_SELECTORS.WEB_RESULT_SNIPPET,
],
},
images: {
itemSelector: Config.ELEMENT_SELECTORS.IMAGE_RESULT,
targetSelectors: [Config.ELEMENT_SELECTORS.IMAGE_CAPTION],
},
videos: {
itemSelector: Config.ELEMENT_SELECTORS.VIDEO_RESULT,
targetSelectors: [Config.ELEMENT_SELECTORS.VIDEO_TITLE],
},
news: {
itemSelector: Config.ELEMENT_SELECTORS.NEWS_RESULT,
targetSelectors: [
Config.ELEMENT_SELECTORS.NEWS_TITLE,
Config.ELEMENT_SELECTORS.NEWS_SNIPPET,
],
},
},
ALTERNATE_SEARCH_ENGINES: [
{
id: "google",
name: "Google",
urlTemplate: "https://www.google.com/search?q=",
iconHost: "www.google.com",
shortcutKey: "z",
},
{
id: "bing",
name: "Bing",
urlTemplate: "https://www.bing.com/search?q=",
iconHost: "www.bing.com",
shortcutKey: "x",
},
{
id: "baidu",
name: "Baidu",
urlTemplate: "https://www.baidu.com/s?wd=",
iconHost: "www.baidu.com",
shortcutKey: "c",
},
],
SYNTAX_SHORTCUTS: [
{
id: "exact",
text: "精确搜索",
syntax: '""',
actionIdentifier: "applyExactPhrase",
},
{
id: "exclude",
text: "搜索排除",
syntax: "-",
actionIdentifier: "applyExclusion",
},
{
id: "site",
text: "限定站点",
syntax: "site:",
actionIdentifier: "appendOperator",
},
{
id: "filetype",
text: "筛选文件",
syntax: "filetype:",
actionIdentifier: "appendOperator",
},
],
};
Config.FEATURE_CONFIGS.ALTERNATE_SEARCH_ENGINES.forEach((engine) => {
if (engine.shortcutKey) {
Config.KEYBINDING_CONFIG.SHORTCUTS.push({
id: `search_${engine.id}`,
key: engine.shortcutKey,
actionIdentifier: `triggerSearchEngine_${engine.id}`,
});
}
});
const State = {
isHighlightActive: false,
isDualColumnActive: false,
currentKeybindingConfig: null,
initialize() {
this.isHighlightActive = GM_getValue(
Config.STORAGE_KEYS_FEATURES.HIGHLIGHT_ENABLED,
false
);
this.isDualColumnActive = GM_getValue(
Config.STORAGE_KEYS_FEATURES.DUAL_COLUMN_ENABLED,
false
);
this.currentKeybindingConfig = JSON.parse(
JSON.stringify(Config.KEYBINDING_CONFIG)
);
},
setHighlightState(isActive) {
this.isHighlightActive = isActive;
try {
GM_setValue(Config.STORAGE_KEYS_FEATURES.HIGHLIGHT_ENABLED, isActive);
} catch (e) {}
},
setDualColumnState(isActive) {
this.isDualColumnActive = isActive;
try {
GM_setValue(Config.STORAGE_KEYS_FEATURES.DUAL_COLUMN_ENABLED, isActive);
} catch (e) {}
},
};
const UserInterface = {
SETTINGS: {
UI_FONT_STACK: "-apple-system, BlinkMacSystemFont, system-ui, sans-serif",
ANIMATION_DURATION_MS: 200,
ANIMATION_EASING_STANDARD: "cubic-bezier(0, 0, 0.58, 1)",
ANIMATION_EASING_APPLE_SMOOTH_OUT: "cubic-bezier(0.25, 1, 0.5, 1)",
BUTTON_TRANSFORM_DURATION: "0.1s",
COPY_FEEDBACK_DURATION_MS: 1500,
},
STRINGS: {
HIGHLIGHT_TOGGLE_LABEL: "文本聚焦",
DUAL_COLUMN_TOGGLE_LABEL: "分栏视图",
COPY_BUTTON_DEFAULT_ARIA_LABEL: "拷贝此页网址",
COPY_BUTTON_SUCCESS_ARIA_LABEL: "拷贝完成",
COPY_BUTTON_FAILURE_ARIA_LABEL: "拷贝失败",
COPY_BUTTON_TEXT_LABEL: "拷贝当前网链",
SITE_SEARCH_BUTTON_ARIA_LABEL: "站内搜索此域名",
SITE_SEARCH_BUTTON_TEXT_LABEL: "仅搜此站内容",
BLOCK_SITE_BUTTON_ARIA_LABEL: "屏蔽此域名结果",
BLOCK_SITE_BUTTON_TEXT_LABEL: "屏蔽此域结果",
SVG_ICON_COPY_LINK: `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 125.354 123.975"><g fill="currentColor"><path d="M37.31 14.844v4.394c0 .782.05 1.563.196 2.246h-1.123c-4.59 0-6.934 2.979-6.934 7.569v73.828c0 4.883 2.637 7.568 7.715 7.568H88.19c5.078 0 7.666-2.685 7.666-7.568V68.945l7.861-7.861v41.895c0 10.253-5.03 15.332-15.137 15.332H36.725c-10.059 0-15.137-5.079-15.137-15.332V28.955c0-10.01 4.883-15.332 14.6-15.332h1.172c-.05.39-.05.83-.05 1.22m66.4 13.872-7.854 7.846v-7.51c0-4.59-2.295-7.568-6.885-7.568h-1.172c.147-.683.195-1.465.195-2.246v-4.394c0-.39 0-.83-.048-1.221h1.172c9.685 0 14.519 5.235 14.592 15.093M73.248 10.01h4.492c2.881 0 4.59 1.806 4.59 4.834v5.127c0 3.027-1.709 4.834-4.59 4.834H47.614c-2.881 0-4.59-1.807-4.59-4.834v-5.127c0-3.028 1.709-4.834 4.59-4.834h4.443C52.399 4.492 56.989 0 62.653 0s10.253 4.492 10.595 10.01m-14.843.39c0 2.295 1.904 4.248 4.248 4.248 2.392 0 4.248-1.953 4.248-4.248 0-2.392-1.856-4.296-4.248-4.296-2.344 0-4.248 1.904-4.248 4.296"/><path d="M50.983 84.62c0 1.66-1.416 3.026-3.076 3.026h-6.788c-1.66 0-3.076-1.367-3.076-3.027s1.367-3.027 3.076-3.027h6.788c1.709 0 3.076 1.367 3.076 3.027M63 69.384H41.119a3.063 3.063 0 0 1-3.076-3.076c0-1.66 1.367-2.979 3.076-2.979h27.942Zm22.923-22.9-5.572 5.566H41.119c-1.66 0-3.076-1.367-3.076-3.028 0-1.66 1.416-3.076 3.076-3.076h43.116c.623 0 1.205.2 1.689.537m27.754-4.735 3.662-3.71c1.758-1.759 1.758-4.151.049-5.86l-1.172-1.172c-1.562-1.563-4.004-1.367-5.664.244l-3.662 3.662Zm-54.736 49.17 9.96-4.443 41.163-41.065-6.885-6.787-41.065 41.065-4.687 9.619c-.44.879.586 2.002 1.514 1.611"/></g></svg>`,
SVG_ICON_COPY_SUCCESS: `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 98.389 100.146"><path d="M98.389 88.281c0 2.051-1.71 3.662-3.76 3.662H3.662A3.627 3.627 0 0 1 0 88.281c0-2.05 1.611-3.71 3.662-3.71H94.63c2.05 0 3.76 1.66 3.76 3.71m0-25.586c0 2.051-1.71 3.711-3.76 3.711H3.662c-2.05 0-3.662-1.66-3.662-3.71a3.627 3.627 0 0 1 3.662-3.663H94.63c2.05 0 3.76 1.611 3.76 3.662m0-25.586c0 2.1-1.71 3.711-3.76 3.711h-33.4c-2.05 0-3.662-1.611-3.662-3.71a3.626 3.626 0 0 1 3.663-3.663h33.398c2.05 0 3.76 1.612 3.76 3.662m0-25.586c0 2.1-1.71 3.711-3.76 3.711H61.23c-2.05 0-3.662-1.611-3.662-3.71a3.627 3.627 0 0 1 3.663-3.663h33.398c2.05 0 3.76 1.612 3.76 3.662M49.658 24.805c0 13.574-11.377 24.853-24.804 24.853C11.23 49.658.049 38.477.049 24.805.049 11.23 11.23 0 24.854 0c13.574 0 24.804 11.23 24.804 24.805M33.643 13.818 21.777 30.371l-6.006-6.494c-.537-.586-1.318-1.074-2.343-1.074-1.71 0-3.028 1.318-3.028 3.076 0 .683.196 1.611.782 2.197l8.252 9.082c.634.684 1.66 1.026 2.441 1.026 1.074 0 2.05-.44 2.588-1.123l14.16-19.727c.44-.635.684-1.27.684-1.807 0-1.757-1.416-3.027-3.077-3.027-1.074 0-2.001.537-2.587 1.318" fill="currentColor"/></svg>`,
SVG_ICON_COPY_FAILURE: `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 98.389 100.146"><path d="M98.389 88.281c0 2.051-1.71 3.662-3.76 3.662H3.662A3.627 3.627 0 0 1 0 88.281c0-2.05 1.611-3.71 3.662-3.71H94.63c2.05 0 3.76 1.66 3.76 3.71m0-25.586c0 2.051-1.71 3.711-3.76 3.711H3.662c-2.05 0-3.662-1.66-3.662-3.71a3.627 3.627 0 0 1 3.662-3.663H94.63c2.05 0 3.76 1.611 3.76 3.662m0-25.586c0 2.1-1.71 3.711-3.76 3.711h-33.4c-2.05 0-3.662-1.611-3.662-3.71a3.626 3.626 0 0 1 3.663-3.663h33.398c2.05 0 3.76 1.612 3.76 3.662m0-25.586c0 2.1-1.71 3.711-3.76 3.711H61.23c-2.05 0-3.662-1.611-3.662-3.71a3.627 3.627 0 0 1 3.663-3.663h33.398c2.05 0 3.76 1.612 3.76 3.662M49.658 24.805c0 13.574-11.377 24.853-24.804 24.853C11.23 49.658.049 38.477.049 24.805.049 11.23 11.23 0 24.854 0c13.574 0 24.804 11.23 24.804 24.805M31.885 13.28l-7.178 7.178-6.64-6.592a2.977 2.977 0 0 0-4.151 0c-1.172 1.074-1.123 2.979 0 4.15l6.543 6.641-7.129 7.178c-1.27 1.27-1.074 3.174.147 4.395 1.171 1.171 3.076 1.416 4.345.146L25 29.199l6.64 6.592a3.04 3.04 0 0 0 4.2 0c1.123-1.123 1.123-3.027 0-4.2l-6.592-6.64 7.178-7.129c1.27-1.27 1.025-3.222-.147-4.394-1.22-1.172-3.125-1.416-4.394-.147" fill="currentColor"/></svg>`,
SVG_ICON_SITE_SEARCH: `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 110.791 130.127"><g fill="currentColor"><path d="M96.436 26.22v52.855a26.1 26.1 0 0 0-7.862-7.82V26.319c0-4.834-2.783-7.568-7.666-7.568H29.834c-5.078 0-7.666 2.783-7.666 7.568v73.828c0 4.834 2.588 7.569 7.666 7.569h22.483a26 26 0 0 0 7.906 7.861h-30.78c-10.058 0-15.136-5.127-15.136-15.332V26.221c0-10.205 5.078-15.332 15.136-15.332H81.3c10.107 0 15.136 5.078 15.136 15.332"/><path d="M76.904 52.637c0 1.709-1.27 3.027-2.978 3.027h-37.06c-1.759 0-3.028-1.318-3.028-3.027 0-1.66 1.27-2.979 3.027-2.979h37.06c1.71 0 2.98 1.319 2.98 2.979m-.001-17.041c0 1.709-1.27 3.076-2.978 3.076h-37.06c-1.759 0-3.028-1.367-3.028-3.076 0-1.66 1.27-2.93 3.027-2.93h37.06c1.71 0 2.98 1.27 2.98 2.93m-2.491 77.539c10.791 0 19.678-8.887 19.678-19.727 0-10.79-8.887-19.726-19.678-19.726-10.84 0-19.726 8.935-19.726 19.726 0 10.84 8.886 19.727 19.726 19.727m0-6.592c-7.178 0-13.135-5.957-13.135-13.184 0-7.128 5.957-13.086 13.135-13.086S87.55 86.231 87.55 93.36c0 7.227-5.957 13.184-13.135 13.184m25.781 16.943c2.246 0 3.907-1.709 3.907-4.15 0-1.074-.538-2.1-1.319-2.881L89.99 103.613l-5.908 5.713 12.744 12.647c.977 1.025 2.002 1.513 3.369 1.513"/></g></svg>`,
SVG_ICON_BLOCK_SITE: `<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 111.316 111.365"><path d="M22.48 36.399v56.173c0 4.883 2.636 7.568 7.714 7.568H81.22c1.675 0 3.08-.292 4.203-.865l6.114 6.108c-2.424 1.752-5.722 2.619-9.878 2.619H29.755c-10.059 0-15.137-5.078-15.137-15.283V28.546Zm74.267-17.753v64.112l-7.861-7.862V18.793c0-4.883-2.588-7.617-7.666-7.617H30.194c-1.654 0-3.05.29-4.174.855l-6.105-6.105c2.429-1.742 5.716-2.612 9.84-2.612h51.904c10.059 0 15.088 5.176 15.088 15.332M51.78 65.668H37.226c-1.807 0-3.077-1.27-3.077-2.93 0-1.758 1.27-3.076 3.077-3.076h8.541Zm25.485-20.069c0 1.71-1.319 3.028-3.028 3.028h-11.62L56.61 42.62h17.627c1.71 0 3.028 1.318 3.028 2.978m0-17.04c0 1.708-1.319 3.027-3.028 3.027H45.575L39.57 25.58h34.668c1.71 0 3.028 1.318 3.028 2.978m21.532 75.537c1.514 1.465 3.906 1.465 5.322 0 1.465-1.513 1.465-3.906 0-5.37L12.567 7.22a3.787 3.787 0 0 0-5.37 0c-1.417 1.417-1.417 3.907 0 5.323Z" fill="currentColor"/></svg>`,
EXCLUDED_NAV_TAB_TEXT: "地图",
},
injectStyles() {
const styles = `
:root {
--ctp-frappe-red: rgb(231, 130, 132);
--ctp-frappe-maroon: rgb(234, 153, 156);
--ctp-frappe-yellow: rgb(229, 200, 144);
--ctp-frappe-green: rgb(166, 209, 137);
--ctp-frappe-teal: rgb(129, 200, 190);
--ctp-frappe-blue: rgb(140, 170, 238);
--ctp-frappe-text: rgb(198, 208, 245);
--ctp-frappe-subtext0: rgb(165, 173, 206);
--ctp-frappe-overlay1: rgb(131, 139, 167);
--ctp-frappe-overlay0: rgb(115, 121, 148);
--ctp-frappe-surface2: rgb(98, 104, 128);
--ctp-frappe-surface1: rgb(81, 87, 109);
--ctp-frappe-surface0: rgb(65, 69, 89);
--ctp-frappe-base: rgb(48, 52, 70);
--ctp-frappe-mantle: rgb(41, 44, 60);
--ctp-frappe-crust: rgb(35, 38, 52);
--ddge-text-primary: var(--ctp-frappe-text);
--ddge-text-secondary: var(--ctp-frappe-subtext0);
--ddge-bg-surface0: var(--ctp-frappe-surface0);
--ddge-bg-surface1: var(--ctp-frappe-surface1);
--ddge-bg-surface2: var(--ctp-frappe-surface2);
--ddge-bg-base: var(--ctp-frappe-base);
--ddge-border-color: rgb(from var(--ctp-frappe-surface1) r g b / 0.4);
--ddge-border-color-stronger: rgb(from var(--ctp-frappe-overlay0) r g b / 0.6);
--ddge-button-bg: rgb(from var(--ctp-frappe-surface0) r g b / 0.8);
--ddge-button-hover-bg: rgb(from var(--ctp-frappe-surface1) r g b / 0.85);
--ddge-button-active-bg: rgb(from var(--ctp-frappe-surface2) r g b / 0.9);
--ddge-button-border: var(--ddge-border-color);
--ddge-button-text: var(--ddge-text-primary);
--ddge-button-shadow-hover: 0 0 10px 1px rgb(from var(--ctp-frappe-blue) r g b / 0.15);
--ddge-highlight-bg: rgb(from var(--ctp-frappe-yellow) r g b / 0.3);
--ddge-result-action-default-color:var(--ctp-frappe-overlay1);
--ddge-copy-link-button-hover-color: var(--ctp-frappe-blue);
--ddge-copy-link-button-copied-color: var(--ctp-frappe-green);
--ddge-copy-link-button-failed-color: var(--ctp-frappe-red);
--ddge-site-search-button-hover-color: var(--ctp-frappe-teal);
--ddge-site-block-button-hover-color: var(--ctp-frappe-maroon);
--ddge-dual-col-result-bg: rgb(from var(--ctp-frappe-mantle) r g b / 0.2);
--ddge-dual-col-result-border: rgb(from var(--ctp-frappe-surface0) r g b / 0.3);
--ddge-toggle-button-disabled-opacity: 0.5;
--ddge-shadow-color: rgb(from var(--ctp-frappe-crust) r g b / 0.1);
}
.${Config.CSS_CLASSES.SEARCH_ENGINE_GROUP} {
display: flex;
justify-content: center;
flex-wrap: wrap;
gap: 10px;
max-width: 800px;
margin: 12px auto;
padding: 0 10px;
}
.${Config.CSS_CLASSES.MATERIAL_BUTTON} {
display: inline-flex;
align-items: center;
justify-content: center;
gap: 8px;
padding: 7px 14px;
border: 1px solid var(--ddge-button-border);
border-radius: 8px;
box-sizing: border-box;
font-family: ${this.SETTINGS.UI_FONT_STACK};
font-size: 13.5px;
font-weight: 500;
color: var(--ddge-button-text);
text-align: center;
background-color: var(--ddge-button-bg);
backdrop-filter: blur(8px);
cursor: pointer;
transition: background-color ${this.SETTINGS.ANIMATION_DURATION_MS}ms ${this.SETTINGS.ANIMATION_EASING_STANDARD},
border-color ${this.SETTINGS.ANIMATION_DURATION_MS}ms ${this.SETTINGS.ANIMATION_EASING_STANDARD},
transform ${this.SETTINGS.BUTTON_TRANSFORM_DURATION} ${this.SETTINGS.ANIMATION_EASING_STANDARD},
box-shadow ${this.SETTINGS.ANIMATION_DURATION_MS}ms ${this.SETTINGS.ANIMATION_EASING_STANDARD};
box-shadow: 0 1px 2px var(--ddge-shadow-color);
}
.${Config.CSS_CLASSES.MATERIAL_BUTTON}:hover {
background-color: var(--ddge-button-hover-bg);
border-color: var(--ddge-border-color-stronger);
transform: translateY(-1px);
box-shadow: var(--ddge-button-shadow-hover);
}
.${Config.CSS_CLASSES.MATERIAL_BUTTON}:active {
background-color: var(--ddge-button-active-bg);
transform: translateY(0px) scale(0.98);
box-shadow: none;
}
.${Config.CSS_CLASSES.SEARCH_ENGINE_BUTTON} {
flex-grow: 1;
flex-basis: 110px;
flex-shrink: 0;
min-width: 110px;
}
.${Config.CSS_CLASSES.SEARCH_ENGINE_ICON} {
width: 16px;
height: 16px;
flex-shrink: 0;
vertical-align: middle;
}
#${Config.ELEMENT_IDS.SYNTAX_SHORTCUTS_CONTAINER} {
display: flex;
justify-content: center;
gap: 8px;
margin-bottom: 10px;
}
.${Config.CSS_CLASSES.KEYWORD_HIGHLIGHT} {
padding: 0 2px;
border-radius: 3px;
color: inherit;
background-color: var(--ddge-highlight-bg);
box-shadow: none;
}
.${Config.CSS_CLASSES.TOGGLE_BUTTON_WRAPPER} {
display: inline-flex;
align-items: center;
margin-right: 10px;
vertical-align: middle;
}
.${Config.CSS_CLASSES.TOGGLE_BUTTON} {
padding: 5px 12px;
font-size: 13px;
line-height: 1.2;
opacity: 1;
transition: opacity ${this.SETTINGS.ANIMATION_DURATION_MS}ms ${this.SETTINGS.ANIMATION_EASING_STANDARD};
}
#${Config.ELEMENT_IDS.HIGHLIGHT_TOGGLE_WRAPPER}.${Config.CSS_CLASSES.HIGHLIGHTING_DISABLED} > button,
#${Config.ELEMENT_IDS.DUAL_COLUMN_TOGGLE_WRAPPER}:not(.${Config.CSS_CLASSES.DUAL_COLUMN_ACTIVE}) > button {
opacity: var(--ddge-toggle-button-disabled-opacity);
}
${Config.ELEMENT_SELECTORS.WEB_RESULT} {
position: relative;
}
${Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_CONTAINER} {
position: absolute;
top: 8px;
right: 8px;
z-index: 2;
display: flex;
align-items: center;
justify-content: flex-end;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON},
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON},
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON} {
position: relative;
top: 0px;
display: inline-flex;
align-items: center;
height: 28px;
padding: 0;
margin-left: 4px;
border: none;
border-radius: 6px;
background-color: transparent;
cursor: pointer;
opacity: 0;
pointer-events: none;
overflow: hidden;
transition: opacity 0.2s ease-in-out,
background-color 0.2s ${this.SETTINGS.ANIMATION_EASING_STANDARD},
color 0.15s ${this.SETTINGS.ANIMATION_EASING_STANDARD};
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON} {
color: var(--ddge-result-action-default-color);
}
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON} {
color: var(--ddge-result-action-default-color);
}
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON} {
color: var(--ddge-result-action-default-color);
}
${Config.ELEMENT_SELECTORS.WEB_RESULT}:hover .${Config.CSS_CLASSES.COPY_LINK_BUTTON},
${Config.ELEMENT_SELECTORS.WEB_RESULT}:hover .${Config.CSS_CLASSES.SITE_SEARCH_BUTTON},
${Config.ELEMENT_SELECTORS.WEB_RESULT}:hover .${Config.CSS_CLASSES.SITE_BLOCK_BUTTON} {
opacity: 1;
pointer-events: auto;
}
.${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER} {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 7px;
transition: transform 0.25s ${this.SETTINGS.ANIMATION_EASING_STANDARD};
z-index: 1;
}
.${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER} svg {
width: 14px;
height: 14px;
display: block;
fill: currentColor;
}
.${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL} {
opacity: 0;
transform: translateX(5px) scaleX(0.8);
transform-origin: left center;
white-space: nowrap;
margin-left: 0px;
padding-right: 0px;
font-size: 10.5px;
font-weight: 500;
line-height: 28px;
max-width: 0;
overflow: hidden;
transition: max-width 0.25s ${this.SETTINGS.ANIMATION_EASING_STANDARD} 0.05s,
opacity 0.2s ${this.SETTINGS.ANIMATION_EASING_STANDARD} 0.1s,
transform 0.25s ${this.SETTINGS.ANIMATION_EASING_APPLE_SMOOTH_OUT} 0.05s,
margin-left 0.25s ${this.SETTINGS.ANIMATION_EASING_STANDARD} 0.05s,
padding-right 0.25s ${this.SETTINGS.ANIMATION_EASING_STANDARD} 0.05s;
pointer-events: none;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}:hover,
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}:hover,
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON}:hover {
background-color: var(--ddge-bg-surface0);
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}:hover {
color: var(--ddge-copy-link-button-hover-color);
}
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}:hover {
color: var(--ddge-site-search-button-hover-color);
}
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON}:hover {
color: var(--ddge-site-block-button-hover-color);
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}:hover .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER},
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}:hover .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER},
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON}:hover .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER} {
transform: translateX(-2px);
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}:hover .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL},
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}:hover .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL},
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON}:hover .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL} {
opacity: 1;
transform: translateX(0) scaleX(1);
max-width: 120px;
margin-left: -2px;
padding-right: 7px;
pointer-events: auto;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}:active .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER},
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}:active .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER},
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON}:active .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER} {
transform: scale(0.9) translateX(-2px);
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}:active .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL},
.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}:active .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL},
.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON}:active .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL} {
transform: scaleX(1) translateX(0) scaleY(0.95);
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED},
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED} {
opacity: 1 !important;
pointer-events: auto !important;
background-color: var(--ddge-bg-surface0) !important;
padding-right: 7px !important;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED} .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER},
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED} .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER} {
transform: translateX(0) !important;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED} .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL},
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED} .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL} {
opacity: 1 !important;
transform: translateX(0) scaleX(1) !important;
max-width: 120px !important;
margin-left: 6px !important;
padding-right: 7px !important;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED} .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER} {
color: var(--ddge-copy-link-button-copied-color) !important;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED} .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL} {
color: var(--ddge-copy-link-button-copied-color) !important;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED} .${Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER} {
color: var(--ddge-copy-link-button-failed-color) !important;
}
.${Config.CSS_CLASSES.COPY_LINK_BUTTON}.${Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED} .${Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL} {
color: var(--ddge-copy-link-button-failed-color) !important;
}
${Config.ELEMENT_SELECTORS.HEADER_ACTIONS} {
display: flex;
align-items: center;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.CONTENT_WRAPPER} {
max-width: none !important;
width: auto !important;
padding: 0 20px !important;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.LAYOUT_CONTAINER} {
display: block !important;
width: 100% !important;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.MAINLINE_SECTION} {
float: none !important;
width: 100% !important;
max-width: none !important;
margin-right: 0 !important;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.SIDEBAR} {
position: absolute !important;
left: -9999px !important;
display: none !important;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} {
width: 100%;
padding: 0;
overflow: auto;
list-style: none;
margin-top: 20px;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER}::after {
content: "";
display: table;
clear: both;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} > li:not(${Config.ELEMENT_SELECTORS.PAGE_SEPARATOR_LI}) {
float: left !important;
width: calc(50% - 15px) !important;
min-height: 160px !important;
margin: 0 7.5px 15px 7.5px !important;
padding: 18px !important;
border: 1px solid var(--ddge-dual-col-result-border) !important;
border-radius: 10px !important;
box-sizing: border-box !important;
overflow: hidden !important;
background-color: var(--ddge-dual-col-result-bg) !important;
box-shadow: 0 1px 3px var(--ddge-shadow-color);
transition: border-color 0.2s ${this.SETTINGS.ANIMATION_EASING_STANDARD}, background-color 0.2s ${this.SETTINGS.ANIMATION_EASING_STANDARD};
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} > li:not(${Config.ELEMENT_SELECTORS.PAGE_SEPARATOR_LI}):hover {
border-color: var(--ctp-frappe-overlay0);
background-color: rgb(from var(--ctp-frappe-surface0) r g b / 0.3);
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} > ${Config.ELEMENT_SELECTORS.PAGE_SEPARATOR_LI} {
float: none !important;
clear: both !important;
width: 100% !important;
min-height: auto !important;
margin: 25px 0 !important;
padding: 0 !important;
border: none !important;
box-sizing: content-box !important;
overflow: visible !important;
background: none !important;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} > ${Config.ELEMENT_SELECTORS.PAGE_SEPARATOR_LI} > div {
text-align: center;
}
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} ${Config.ELEMENT_SELECTORS.WEB_RESULT_TITLE_SPAN},
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} ${Config.ELEMENT_SELECTORS.WEB_RESULT_SNIPPET},
body.${Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT} ${Config.ELEMENT_SELECTORS.RESULTS_CONTAINER} ${Config.ELEMENT_SELECTORS.WEB_RESULT_URL} {
overflow-wrap: break-word !important;
word-break: break-word !important;
hyphens: auto !important;
}
`;
try {
GM_addStyle(styles);
} catch (e) {
const styleElement = document.createElement("style");
styleElement.textContent = styles;
(document.head || document.documentElement).appendChild(styleElement);
}
},
createButton(options) {
const button = document.createElement("button");
button.type = "button";
if (options.className) button.className = options.className;
if (options.id) button.id = options.id;
if (options.text) button.textContent = options.text;
if (options.innerHTML) button.innerHTML = options.innerHTML;
if (options.ariaLabel)
button.setAttribute("aria-label", options.ariaLabel);
if (options.onClick)
button.addEventListener(
"click",
options.onClick,
options.useCapture ?? false
);
if (options.dataset) {
for (const key in options.dataset)
button.dataset[key] = options.dataset[key];
}
return button;
},
createToggleButton(wrapperId, config, isActive, handler) {
const existingToggle = document.getElementById(wrapperId);
if (existingToggle) return existingToggle.querySelector("button");
const headerActionsContainer = document.querySelector(
Config.ELEMENT_SELECTORS.HEADER_ACTIONS
);
if (!headerActionsContainer) return null;
const toggleElement = document.createElement("div");
toggleElement.id = wrapperId;
toggleElement.classList.add(Config.CSS_CLASSES.TOGGLE_BUTTON_WRAPPER);
if (config.activeClass)
toggleElement.classList.toggle(config.activeClass, isActive);
if (config.disabledClass)
toggleElement.classList.toggle(config.disabledClass, !isActive);
const toggleButtonEl = this.createButton({
className: `${Config.CSS_CLASSES.TOGGLE_BUTTON} ${Config.CSS_CLASSES.MATERIAL_BUTTON}`,
text: config.label,
ariaLabel: config.label,
onClick: handler,
useCapture: true,
});
toggleButtonEl.setAttribute("aria-pressed", String(isActive));
toggleElement.appendChild(toggleButtonEl);
const referenceNode = config.insertAfterId
? document.getElementById(config.insertAfterId)?.nextSibling
: headerActionsContainer.firstChild;
headerActionsContainer.insertBefore(toggleElement, referenceNode || null);
return toggleButtonEl;
},
};
const FeatureManager = {
initializeFeatures() {
this.insertSyntaxShortcuts();
this.insertEngineButtons();
this.insertHighlightToggle();
this.insertDualColumnToggle();
this.insertCopyLinkButtons();
this.insertSiteSearchButtons();
this.insertBlockSiteButtons();
this.removeUselessButtons();
this.applyInitialFeatureStates();
},
applyInitialFeatureStates() {
this.applyDualColumnLayout();
this.updateHighlightToggleVisuals();
this.updateDualColumnToggleVisuals();
this.refreshHighlights();
},
insertEngineButtons() {
const searchForm = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_FORM
);
if (!searchForm || !searchForm.parentNode) return;
const existingGroup = document.querySelector(
`.${Config.CSS_CLASSES.SEARCH_ENGINE_GROUP}`
);
if (existingGroup) existingGroup.remove();
const engineGroupEl = document.createElement("div");
engineGroupEl.className = Config.CSS_CLASSES.SEARCH_ENGINE_GROUP;
Config.FEATURE_CONFIGS.ALTERNATE_SEARCH_ENGINES.forEach((engine) => {
const engineButtonEl = UserInterface.createButton({
className: `${Config.CSS_CLASSES.SEARCH_ENGINE_BUTTON} ${Config.CSS_CLASSES.MATERIAL_BUTTON}`,
onClick: (event) => {
event.preventDefault();
this.triggerSearchEngine(engine.id);
},
});
const engineIconEl = document.createElement("img");
engineIconEl.className = Config.CSS_CLASSES.SEARCH_ENGINE_ICON;
engineIconEl.src = `https://icons.duckduckgo.com/ip3/${engine.iconHost}.ico`;
engineIconEl.alt = `${engine.name} Icon`;
const engineNameText = document.createTextNode(
`转至 ${engine.name} 搜索`
);
engineButtonEl.appendChild(engineIconEl);
engineButtonEl.appendChild(engineNameText);
engineGroupEl.appendChild(engineButtonEl);
});
searchForm.parentNode.insertBefore(engineGroupEl, searchForm.nextSibling);
},
applyHighlightsToNode(node, keywords) {
if (!node || !keywords || keywords.length === 0) return;
const nodeWalker = document.createTreeWalker(
node,
NodeFilter.SHOW_TEXT,
null,
false
);
let textNodeToProcess;
const nodesToProcess = [];
while ((textNodeToProcess = nodeWalker.nextNode())) {
if (
textNodeToProcess.parentElement &&
textNodeToProcess.parentElement.closest(
`script, style, .${Config.CSS_CLASSES.KEYWORD_HIGHLIGHT}`
)
)
continue;
nodesToProcess.push(textNodeToProcess);
}
const keywordRegex = new RegExp(
keywords.map(this.escapeRegex).join("|"),
"gi"
);
nodesToProcess.forEach((textNode) => {
const text = textNode.nodeValue;
if (!text) return;
const fragment = document.createDocumentFragment();
let lastIndex = 0;
let match;
while ((match = keywordRegex.exec(text)) !== null) {
const index = match.index;
const matchedText = match[0];
if (index > lastIndex)
fragment.appendChild(
document.createTextNode(text.substring(lastIndex, index))
);
const mark = document.createElement("mark");
mark.className = Config.CSS_CLASSES.KEYWORD_HIGHLIGHT;
mark.appendChild(document.createTextNode(matchedText));
fragment.appendChild(mark);
lastIndex = index + matchedText.length;
}
if (lastIndex < text.length)
fragment.appendChild(
document.createTextNode(text.substring(lastIndex))
);
if (fragment.hasChildNodes())
textNode.parentNode?.replaceChild(fragment, textNode);
});
},
removeHighlights() {
document
.querySelectorAll(`.${Config.CSS_CLASSES.KEYWORD_HIGHLIGHT}`)
.forEach((highlightElement) => {
const parentElement = highlightElement.parentNode;
if (parentElement) {
const textNode = document.createTextNode(
highlightElement.textContent || ""
);
parentElement.replaceChild(textNode, highlightElement);
parentElement.normalize();
}
});
},
refreshHighlights() {
this.removeHighlights();
if (!State.isHighlightActive) return;
const searchInputElement = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_INPUT
);
if (!searchInputElement) return;
const searchQuery = searchInputElement.value.trim();
if (!searchQuery) return;
const searchKeywords = searchQuery.split(/\s+/).filter(Boolean);
if (searchKeywords.length === 0) return;
const pageType = this.getCurrentPageType();
const config = Config.FEATURE_CONFIGS.HIGHLIGHT_SELECTORS[pageType];
if (!config || !config.itemSelector || !config.targetSelectors) return;
const resultItems = document.querySelectorAll(config.itemSelector);
resultItems.forEach((item) => {
config.targetSelectors.forEach((selector) => {
const targetElements = item.querySelectorAll(selector);
targetElements.forEach((element) =>
this.applyHighlightsToNode(element, searchKeywords)
);
});
});
},
handleHighlightToggle(event) {
if (event) {
event.preventDefault();
event.stopImmediatePropagation();
}
State.setHighlightState(!State.isHighlightActive);
this.updateHighlightToggleVisuals();
this.refreshHighlights();
},
updateHighlightToggleVisuals() {
const toggleElement = document.getElementById(
Config.ELEMENT_IDS.HIGHLIGHT_TOGGLE_WRAPPER
);
if (toggleElement) {
toggleElement.classList.toggle(
Config.CSS_CLASSES.HIGHLIGHTING_DISABLED,
!State.isHighlightActive
);
const button = toggleElement.querySelector("button");
if (button)
button.setAttribute("aria-pressed", String(State.isHighlightActive));
}
},
insertHighlightToggle() {
UserInterface.createToggleButton(
Config.ELEMENT_IDS.HIGHLIGHT_TOGGLE_WRAPPER,
{
label: UserInterface.STRINGS.HIGHLIGHT_TOGGLE_LABEL,
disabledClass: Config.CSS_CLASSES.HIGHLIGHTING_DISABLED,
},
State.isHighlightActive,
this.handleHighlightToggle.bind(this)
);
},
getCurrentPageType() {
const urlParams = new URLSearchParams(window.location.search);
const iaParam = urlParams.get("ia");
if (iaParam === "images") return "images";
if (iaParam === "videos") return "videos";
if (iaParam === "news") return "news";
return "web";
},
applyDualColumnLayout() {
const pageType = this.getCurrentPageType();
const shouldApply = State.isDualColumnActive && pageType === "web";
document.body.classList.toggle(
Config.CSS_CLASSES.DUAL_COLUMN_LAYOUT,
shouldApply
);
},
handleDualColumnToggle(event) {
if (event) {
event.preventDefault();
event.stopImmediatePropagation();
}
State.setDualColumnState(!State.isDualColumnActive);
this.applyDualColumnLayout();
this.updateDualColumnToggleVisuals();
},
updateDualColumnToggleVisuals() {
const toggleElement = document.getElementById(
Config.ELEMENT_IDS.DUAL_COLUMN_TOGGLE_WRAPPER
);
if (toggleElement) {
toggleElement.classList.toggle(
Config.CSS_CLASSES.DUAL_COLUMN_ACTIVE,
State.isDualColumnActive && this.getCurrentPageType() === "web"
);
const button = toggleElement.querySelector("button");
if (button)
button.setAttribute("aria-pressed", String(State.isDualColumnActive));
}
},
insertDualColumnToggle() {
UserInterface.createToggleButton(
Config.ELEMENT_IDS.DUAL_COLUMN_TOGGLE_WRAPPER,
{
label: UserInterface.STRINGS.DUAL_COLUMN_TOGGLE_LABEL,
activeClass: Config.CSS_CLASSES.DUAL_COLUMN_ACTIVE,
insertAfterId: Config.ELEMENT_IDS.HIGHLIGHT_TOGGLE_WRAPPER,
},
State.isDualColumnActive,
this.handleDualColumnToggle.bind(this)
);
},
_getDomainFromUrl(urlString) {
if (!urlString) return null;
try {
let domain = new URL(urlString).hostname;
if (domain.startsWith("www.")) {
domain = domain.substring(4);
}
return domain;
} catch (e) {
return null;
}
},
insertCopyLinkButtons() {
const resultElements = document.querySelectorAll(
Config.ELEMENT_SELECTORS.WEB_RESULT
);
resultElements.forEach((resultElement) => {
if (
resultElement.querySelector(`.${Config.CSS_CLASSES.COPY_LINK_BUTTON}`)
)
return;
const optionsContainer = resultElement.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_CONTAINER
);
const optionsButton = optionsContainer?.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_BUTTON
);
const titleLinkElement = resultElement.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_TITLE_LINK
);
if (
!optionsContainer ||
!optionsButton ||
!titleLinkElement ||
!titleLinkElement.href
)
return;
const copyUrl = titleLinkElement.href;
let feedbackTimeoutId = null;
const iconWrapper = document.createElement("span");
iconWrapper.className = Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER;
iconWrapper.innerHTML = UserInterface.STRINGS.SVG_ICON_COPY_LINK;
const textLabel = document.createElement("span");
textLabel.className = Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL;
textLabel.textContent = UserInterface.STRINGS.COPY_BUTTON_TEXT_LABEL;
const copyButton = UserInterface.createButton({
className: Config.CSS_CLASSES.COPY_LINK_BUTTON,
ariaLabel: UserInterface.STRINGS.COPY_BUTTON_DEFAULT_ARIA_LABEL,
onClick: (event) => {
event.preventDefault();
event.stopPropagation();
clearTimeout(feedbackTimeoutId);
navigator.clipboard
.writeText(copyUrl)
.then(() => {
iconWrapper.innerHTML =
UserInterface.STRINGS.SVG_ICON_COPY_SUCCESS;
textLabel.textContent =
UserInterface.STRINGS.COPY_BUTTON_SUCCESS_ARIA_LABEL;
copyButton.setAttribute(
"aria-label",
UserInterface.STRINGS.COPY_BUTTON_SUCCESS_ARIA_LABEL
);
copyButton.classList.remove(
Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED
);
copyButton.classList.add(
Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED
);
copyButton.disabled = true;
feedbackTimeoutId = setTimeout(() => {
if (
copyButton.classList.contains(
Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED
)
) {
iconWrapper.innerHTML =
UserInterface.STRINGS.SVG_ICON_COPY_LINK;
textLabel.textContent =
UserInterface.STRINGS.COPY_BUTTON_TEXT_LABEL;
copyButton.setAttribute(
"aria-label",
UserInterface.STRINGS.COPY_BUTTON_DEFAULT_ARIA_LABEL
);
copyButton.classList.remove(
Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED
);
copyButton.disabled = false;
}
}, UserInterface.SETTINGS.COPY_FEEDBACK_DURATION_MS);
})
.catch(() => {
iconWrapper.innerHTML =
UserInterface.STRINGS.SVG_ICON_COPY_FAILURE;
textLabel.textContent =
UserInterface.STRINGS.COPY_BUTTON_FAILURE_ARIA_LABEL;
copyButton.setAttribute(
"aria-label",
UserInterface.STRINGS.COPY_BUTTON_FAILURE_ARIA_LABEL
);
copyButton.classList.remove(
Config.CSS_CLASSES.COPY_LINK_BUTTON_COPIED
);
copyButton.classList.add(
Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED
);
copyButton.disabled = true;
feedbackTimeoutId = setTimeout(() => {
if (
copyButton.classList.contains(
Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED
)
) {
iconWrapper.innerHTML =
UserInterface.STRINGS.SVG_ICON_COPY_LINK;
textLabel.textContent =
UserInterface.STRINGS.COPY_BUTTON_TEXT_LABEL;
copyButton.setAttribute(
"aria-label",
UserInterface.STRINGS.COPY_BUTTON_DEFAULT_ARIA_LABEL
);
copyButton.classList.remove(
Config.CSS_CLASSES.COPY_LINK_BUTTON_FAILED
);
copyButton.disabled = false;
}
}, UserInterface.SETTINGS.COPY_FEEDBACK_DURATION_MS);
});
},
});
copyButton.appendChild(iconWrapper);
copyButton.appendChild(textLabel);
optionsContainer.insertBefore(copyButton, optionsButton);
});
},
insertSiteSearchButtons() {
const resultElements = document.querySelectorAll(
Config.ELEMENT_SELECTORS.WEB_RESULT
);
resultElements.forEach((resultElement) => {
if (
resultElement.querySelector(
`.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}`
)
)
return;
const optionsContainer = resultElement.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_CONTAINER
);
const titleLinkElement = resultElement.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_TITLE_LINK
);
if (!optionsContainer || !titleLinkElement) return;
const url = titleLinkElement.href;
const domain = this._getDomainFromUrl(url);
if (!domain) return;
const iconWrapper = document.createElement("span");
iconWrapper.className = Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER;
iconWrapper.innerHTML = UserInterface.STRINGS.SVG_ICON_SITE_SEARCH;
const textLabel = document.createElement("span");
textLabel.className = Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL;
textLabel.textContent =
UserInterface.STRINGS.SITE_SEARCH_BUTTON_TEXT_LABEL;
const siteSearchButton = UserInterface.createButton({
className: Config.CSS_CLASSES.SITE_SEARCH_BUTTON,
ariaLabel: UserInterface.STRINGS.SITE_SEARCH_BUTTON_ARIA_LABEL,
onClick: (event) => {
event.preventDefault();
event.stopPropagation();
const searchInput = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_INPUT
);
const searchForm = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_FORM
);
if (searchInput && searchForm) {
const currentQuery = searchInput.value
.trim()
.replace(/site:[\w.-]+\s*/gi, "")
.trim();
searchInput.value = `site:${domain} ${currentQuery}`.trim();
searchForm.submit();
}
},
});
siteSearchButton.appendChild(iconWrapper);
siteSearchButton.appendChild(textLabel);
const copyLinkButton = optionsContainer.querySelector(
`.${Config.CSS_CLASSES.COPY_LINK_BUTTON}`
);
if (copyLinkButton) {
optionsContainer.insertBefore(siteSearchButton, copyLinkButton);
} else {
const optionsButton = optionsContainer.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_BUTTON
);
optionsContainer.insertBefore(siteSearchButton, optionsButton);
}
});
},
insertBlockSiteButtons() {
const resultElements = document.querySelectorAll(
Config.ELEMENT_SELECTORS.WEB_RESULT
);
resultElements.forEach((resultElement) => {
if (
resultElement.querySelector(
`.${Config.CSS_CLASSES.SITE_BLOCK_BUTTON}`
)
)
return;
const optionsContainer = resultElement.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_CONTAINER
);
const titleLinkElement = resultElement.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_TITLE_LINK
);
if (!optionsContainer || !titleLinkElement) return;
const url = titleLinkElement.href;
const domain = this._getDomainFromUrl(url);
if (!domain) return;
const iconWrapper = document.createElement("span");
iconWrapper.className = Config.CSS_CLASSES.RESULT_ACTION_ICON_WRAPPER;
iconWrapper.innerHTML = UserInterface.STRINGS.SVG_ICON_BLOCK_SITE;
const textLabel = document.createElement("span");
textLabel.className = Config.CSS_CLASSES.RESULT_ACTION_TEXT_LABEL;
textLabel.textContent =
UserInterface.STRINGS.BLOCK_SITE_BUTTON_TEXT_LABEL;
const blockSiteButton = UserInterface.createButton({
className: Config.CSS_CLASSES.SITE_BLOCK_BUTTON,
ariaLabel: UserInterface.STRINGS.BLOCK_SITE_BUTTON_ARIA_LABEL,
onClick: (event) => {
event.preventDefault();
event.stopPropagation();
const searchInput = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_INPUT
);
const searchForm = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_FORM
);
if (searchInput && searchForm) {
let currentQuery = searchInput.value.trim();
const blockSiteTerm = `-site:${domain}`;
const blockSiteRegex = new RegExp(
this.escapeRegex(blockSiteTerm),
"i"
);
if (!currentQuery.match(blockSiteRegex)) {
currentQuery = `${currentQuery} ${blockSiteTerm}`.trim();
}
searchInput.value = currentQuery;
searchForm.submit();
}
},
});
blockSiteButton.appendChild(iconWrapper);
blockSiteButton.appendChild(textLabel);
const siteSearchButton = optionsContainer.querySelector(
`.${Config.CSS_CLASSES.SITE_SEARCH_BUTTON}`
);
if (siteSearchButton) {
optionsContainer.insertBefore(blockSiteButton, siteSearchButton);
} else {
const copyLinkButton = optionsContainer.querySelector(
`.${Config.CSS_CLASSES.COPY_LINK_BUTTON}`
);
if (copyLinkButton) {
optionsContainer.insertBefore(blockSiteButton, copyLinkButton);
} else {
const optionsButton = optionsContainer.querySelector(
Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_BUTTON
);
optionsContainer.insertBefore(blockSiteButton, optionsButton);
}
}
});
},
removeUselessButtons() {
const feedbackContainer = document.querySelector(
Config.ELEMENT_SELECTORS.FEEDBACK_BUTTON_CONTAINER
);
if (feedbackContainer) {
feedbackContainer.remove();
}
const privacyPromoContainer = document.querySelector(
Config.ELEMENT_SELECTORS.PRIVACY_PROMO_CONTAINER
);
if (privacyPromoContainer) {
privacyPromoContainer.remove();
}
const allOptionsButtons = document.querySelectorAll(
Config.ELEMENT_SELECTORS.WEB_RESULT_OPTIONS_BUTTON
);
allOptionsButtons.forEach((button) => button.remove());
},
applyExactPhrase() {
const input = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_INPUT
);
if (!input) return;
const start = input.selectionStart;
const end = input.selectionEnd;
const value = input.value;
if (start !== null && end !== null && start !== end) {
const selectedText = value.substring(start, end);
const prefix = value.substring(0, start);
const suffix = value.substring(end);
if (prefix.endsWith('"') && suffix.startsWith('"')) {
input.setSelectionRange(start, end);
} else {
input.value = `${prefix}"${selectedText}"${suffix}`;
input.setSelectionRange(start + 1, end + 1);
}
} else {
if (value && (!value.startsWith('"') || !value.endsWith('"'))) {
input.value = `"${value}"`;
}
input.setSelectionRange(input.value.length, input.value.length);
}
input.focus();
},
applyExclusion() {
const input = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_INPUT
);
if (!input) return;
const start = input.selectionStart;
const end = input.selectionEnd;
const value = input.value;
let newValue;
let newCursorPos;
if (start !== null && end !== null && start !== end) {
const selectedText = value.substring(start, end);
newValue = `${value.substring(
0,
start
)}-${selectedText}${value.substring(end)}`;
newCursorPos = start + 1;
const newEndPos = end + 1;
input.value = newValue;
input.setSelectionRange(newCursorPos, newEndPos);
} else {
const currentCursorPos = start !== null ? start : value.length;
newValue = `${value.substring(0, currentCursorPos)}-${value.substring(
currentCursorPos
)}`;
newCursorPos = currentCursorPos + 1;
input.value = newValue;
input.setSelectionRange(newCursorPos, newCursorPos);
}
input.focus();
},
appendOperatorToSearch(operator) {
const input = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_INPUT
);
if (!input) return;
const currentValue = input.value;
const prefix =
currentValue.length > 0 && !currentValue.endsWith(" ") ? " " : "";
const operatorWithSpace = `${prefix}${operator} `;
input.value = `${currentValue}${operatorWithSpace}`;
const newCursorPos = input.value.length;
input.focus();
input.setSelectionRange(newCursorPos, newCursorPos);
},
insertSyntaxShortcuts() {
let shortcutsContainer = document.getElementById(
Config.ELEMENT_IDS.SYNTAX_SHORTCUTS_CONTAINER
);
if (shortcutsContainer) shortcutsContainer.remove();
const searchArea = document.querySelector(
Config.ELEMENT_SELECTORS.HEADER_SEARCH_AREA
);
if (!searchArea || !searchArea.firstChild) return;
shortcutsContainer = document.createElement("div");
shortcutsContainer.id = Config.ELEMENT_IDS.SYNTAX_SHORTCUTS_CONTAINER;
Config.FEATURE_CONFIGS.SYNTAX_SHORTCUTS.forEach((config) => {
const button = UserInterface.createButton({
className: `${Config.CSS_CLASSES.SYNTAX_SHORTCUT_BUTTON} ${Config.CSS_CLASSES.MATERIAL_BUTTON}`,
text: config.text,
onClick: (e) => {
e.preventDefault();
if (config.actionIdentifier === "appendOperator")
this.appendOperatorToSearch(config.syntax);
else if (config.actionIdentifier === "applyExactPhrase")
this.applyExactPhrase();
else if (config.actionIdentifier === "applyExclusion")
this.applyExclusion();
},
});
shortcutsContainer.appendChild(button);
});
searchArea.insertBefore(shortcutsContainer, searchArea.firstChild);
},
navigateTabs(direction) {
const allTabElements = Array.from(
document.querySelectorAll(Config.ELEMENT_SELECTORS.NAV_TAB)
);
if (allTabElements.length === 0) return;
const visibleTabElements = allTabElements.filter(
(tab) =>
tab.textContent.trim() !== UserInterface.STRINGS.EXCLUDED_NAV_TAB_TEXT
);
if (visibleTabElements.length === 0) return;
const currentTabIndex = allTabElements.findIndex((tab) =>
tab.classList.contains(Config.CSS_CLASSES.ACTIVE_NAV_TAB)
);
let isMapTabActive = false;
let activeTabIndexInVisible = -1;
if (currentTabIndex !== -1) {
if (
allTabElements[currentTabIndex].textContent.trim() ===
UserInterface.STRINGS.EXCLUDED_NAV_TAB_TEXT
)
isMapTabActive = true;
else
activeTabIndexInVisible = visibleTabElements.findIndex((tab) =>
tab.classList.contains(Config.CSS_CLASSES.ACTIVE_NAV_TAB)
);
} else {
const tabUrlParams = new URLSearchParams(window.location.search);
if (tabUrlParams.get("iaxm") === "maps") isMapTabActive = true;
}
let nextTabIndex;
const numVisibleTabs = visibleTabElements.length;
if (isMapTabActive || activeTabIndexInVisible === -1) {
nextTabIndex = direction === "next" ? 0 : numVisibleTabs - 1;
} else {
nextTabIndex =
direction === "next"
? (activeTabIndexInVisible + 1) % numVisibleTabs
: (activeTabIndexInVisible - 1 + numVisibleTabs) % numVisibleTabs;
}
const nextTabElement = visibleTabElements[nextTabIndex];
if (nextTabElement) nextTabElement.click();
},
triggerSearchEngine(engineId) {
const engine = Config.FEATURE_CONFIGS.ALTERNATE_SEARCH_ENGINES.find(
(e) => e.id === engineId
);
if (!engine) return;
const currentSearchInput = document.querySelector(
Config.ELEMENT_SELECTORS.SEARCH_INPUT
);
const query = currentSearchInput ? currentSearchInput.value.trim() : "";
if (query) {
const searchURL = `${engine.urlTemplate}${encodeURIComponent(query)}`;
window.open(searchURL, "_blank", "noopener,noreferrer");
}
},
escapeRegex(str) {
return str.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
},
};
const EventManager = {
domObserver: null,
debouncedRunPageEnhancements: null,
keydownListener: null,
SETTINGS: {
SCROLL_TOP_TRIGGER_RATIO: 0.2,
DOM_OBSERVER_DELAY_MS: 1000,
},
init() {
this.debouncedRunPageEnhancements = this.debounce(
FeatureManager.initializeFeatures.bind(FeatureManager),
this.SETTINGS.DOM_OBSERVER_DELAY_MS
);
this.domObserver = new MutationObserver(
this.debouncedRunPageEnhancements
);
this.keydownListener = this.createKeyboardListener();
window.addEventListener("keydown", this.keydownListener, true);
document.addEventListener(
"dblclick",
this.handleDoubleClickToTop.bind(this),
{ passive: true }
);
this.observeDOM();
},
debounce(callback, delayMs) {
let timeoutId;
return function debounced(...args) {
const later = () => {
clearTimeout(timeoutId);
callback(...args);
};
clearTimeout(timeoutId);
timeoutId = setTimeout(later, delayMs);
};
},
handleDoubleClickToTop(event) {
const viewportWidth = window.innerWidth;
const scrollTriggerX =
viewportWidth * (1 - this.SETTINGS.SCROLL_TOP_TRIGGER_RATIO);
if (
event.clientX > scrollTriggerX &&
!event.target.closest(Config.ELEMENT_SELECTORS.INTERACTIVE_ELEMENT)
) {
window.scrollTo({ top: 0, behavior: "smooth" });
}
},
createKeyboardListener() {
const specialActionHandlers = {
handleHighlightToggle:
FeatureManager.handleHighlightToggle.bind(FeatureManager),
handleDualColumnToggle:
FeatureManager.handleDualColumnToggle.bind(FeatureManager),
navigateTabsNext: () => FeatureManager.navigateTabs("next"),
navigateTabsPrev: () => FeatureManager.navigateTabs("prev"),
};
Config.FEATURE_CONFIGS.ALTERNATE_SEARCH_ENGINES.forEach((engine) => {
if (engine.shortcutKey) {
specialActionHandlers[`triggerSearchEngine_${engine.id}`] = () =>
FeatureManager.triggerSearchEngine(engine.id);
}
});
const shortcutActionMap = {};
State.currentKeybindingConfig.SHORTCUTS.forEach((shortcut) => {
if (shortcut.key) {
const lowerKey = shortcut.key.toLowerCase();
if (
shortcut.actionIdentifier &&
specialActionHandlers[shortcut.actionIdentifier]
) {
shortcutActionMap[lowerKey] =
specialActionHandlers[shortcut.actionIdentifier];
}
}
});
return function handleKeyDown(event) {
if (!(event.altKey || event.ctrlKey)) return;
const targetElement = event.target;
const targetElementTag = targetElement?.tagName?.toLowerCase();
if (
targetElementTag === "input" ||
targetElementTag === "textarea" ||
targetElementTag === "select" ||
targetElement?.isContentEditable
) {
return;
}
const pressedKey = event.key.toLowerCase();
const actionToExecute = shortcutActionMap[pressedKey];
if (typeof actionToExecute === "function") {
event.preventDefault();
actionToExecute(event);
}
};
},
observeDOM() {
if (document.body) {
FeatureManager.initializeFeatures();
this.domObserver.observe(document.body, {
childList: true,
subtree: true,
});
} else {
document.addEventListener(
"DOMContentLoaded",
() => {
if (document.body) {
FeatureManager.initializeFeatures();
this.domObserver.observe(document.body, {
childList: true,
subtree: true,
});
}
},
{ once: true }
);
}
},
};
const ScriptManager = {
init() {
try {
State.initialize();
UserInterface.injectStyles();
EventManager.init();
} catch (error) {}
},
};
if (document.readyState === "loading") {
document.addEventListener("DOMContentLoaded", () => ScriptManager.init(), {
once: true,
});
} else {
ScriptManager.init();
}
})();
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