拖拽链接以在新标签页中打开，拖拽文本以在新标签页中搜索。
目前为
// ==UserScript==
// @name Draggy
// @name:zh-CN Draggy
// @namespace http://tampermonkey.net/
// @version 0.2.6
// @description Drag a link to open in a new tab; drag a piece of text to search in a new tab.
// @description:zh-CN 拖拽链接以在新标签页中打开，拖拽文本以在新标签页中搜索。
// @tag productivity
// @author PRO-2684
// @match *://*/*
// @run-at document-start
// @icon data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
// @license gpl-3.0
// @grant GM_addElement
// @grant GM_openInTab
// @grant GM_setValue
// @grant GM_getValue
// @grant GM_deleteValue
// @grant GM_registerMenuCommand
// @grant GM_unregisterMenuCommand
// @grant GM_addValueChangeListener
// @require https://github.com/PRO-2684/GM_config/releases/download/v1.2.1/config.min.js#md5=525526b8f0b6b8606cedf08c651163c2
// ==/UserScript==
(function () {
"use strict";
const { name, version } = GM.info.script;
const configDesc = {
$default: {
autoClose: false,
},
appearance: {
name: "🎨 Appearance settings",
title: "Settings for the appearance of Draggy overlay.",
type: "folder",
items: {
circleOverlay: {
name: "Circle overlay",
title: "When to show the circle overlay.",
value: 1,
input: (prop, orig) => (orig + 1) % 3,
processor: "same",
formatter: (prop, value, desc) => desc.name + ": " + ["Never", "Auto", "Always"][value],
},
},
},
operation: {
name: "🛠️ Operation settings",
title: "Settings for the operation of Draggy.",
type: "folder",
items: {
openTabInBg: {
name: "Open tab in background",
title: "Whether to open new tabs in the background.",
type: "bool",
value: false,
},
openTabInsert: {
name: "Open tab insert",
title: "Whether to insert the new tab next to the current tab. If false, the new tab will be appended to the end.",
type: "bool",
value: true,
},
matchingUriInText: {
name: "Matching URI in text",
title: "Whether to match URI in the selected text. If enabled AND the selected text is a valid URI AND its protocol is allowed, Draggy will open it directly instead of searching.",
type: "bool",
value: true,
},
minDistance: {
name: "Minimum drag distance",
title: "Minimum distance to trigger draggy.",
type: "int", // 1-1000
min: 1,
max: 1000,
value: 50,
},
},
},
searchEngine: {
name: "🔎 Search engine settings",
title: "Configure search engines for different directions. Use `{<max-length>}` as a placeholder for the URL-encoded query, where `<max-length>` is the maximum text length. If `<max-length>` is not specified, the search term will not be truncated.",
type: "folder",
items: {
default: {
name: "Search engine (default)",
title: "Default search engine used when dragging text.",
type: "string",
value: "https://www.google.com/search?q={50}",
},
left: {
name: "Search engine (left)",
title: "Search engine used when dragging text left. Leave it blank to use the default search engine.",
type: "string",
value: ""
},
right: {
name: "Search engine (right)",
title: "Search engine used when dragging text right. Leave it blank to use the default search engine.",
type: "string",
value: ""
},
up: {
name: "Search engine (up)",
title: "Search engine used when dragging text up. Leave it blank to use the default search engine.",
type: "string",
value: ""
},
down: {
name: "Search engine (down)",
title: "Search engine used when dragging text down. Leave it blank to use the default search engine.",
type: "string",
value: ""
},
},
},
advanced: {
name: "⚙️ Advanced settings",
title: "Settings for advanced users or debugging.",
type: "folder",
items: {
allowedProtocols: {
name: "Allowed protocols",
title: "Comma-separated list of allowed protocols for matched URI in texts. Leave it blank to allow all protocols.",
type: "string",
value: "http,https,ftp,mailto,tel",
},
maxTimeDelta: {
name: "Maximum time delta",
title: "Maximum time difference between esc/drop and dragend events to consider them as separate user gesture. Usually there's no need to change this value.",
type: "int", // 1-100
min: 1,
max: 100,
value: 10,
},
debug: {
name: "Debug mode",
title: "Enables debug mode.",
type: "bool",
value: false,
},
},
},
};
const config = new GM_config(configDesc, { immediate: true });
/**
* Last time a drop event occurred.
* @type {number}
*/
let lastDrop = 0;
/**
* Start position of the drag event.
* @type {{ x: number, y: number }}
*/
let startPos = { x: 0, y: 0 };
/**
* Circle overlay.
* @type {HTMLDivElement}
*/
const circle = initOverlay();
/**
* Judging criteria for draggy.
* @type {{ selection: (e: DragEvent) => string|HTMLAnchorElement|HTMLImageElement|null, handlers: (e: DragEvent) => boolean, dropEvent: (e: DragEvent) => boolean, }}
*/
const judging = {
selection: (e) => {
const target = e.composedPath()[0];
const img = target?.closest?.("img[src]");
const src = img?.src;
if (src) {
return img;
}
const link = target?.closest?.("a[href]");
const href = link?.getAttribute("href");
if (href && !href.startsWith("javascript:") && href !== "#") {
return link;
}
const selection = window.getSelection();
const selectionAncestor = commonAncestor(selection.anchorNode, selection.focusNode);
const selectedText = selection.toString();
// Check if we're dragging the selected text (selectionAncestor is the ancestor of target, or target is the ancestor of selectionAncestor)
if (selectedText && selectionAncestor && (isAncestorOf(selectionAncestor, target) || isAncestorOf(target, selectionAncestor))) {
return selectedText;
}
},
handlers: (e) => e.dataTransfer.dropEffect === "none" && e.dataTransfer.effectAllowed === "uninitialized" && !e.defaultPrevented,
dropEvent: (e) => e.timeStamp - lastDrop > config.get("advanced.maxTimeDelta"),
};
/**
* Logs the given arguments if debug mode is enabled.
* @param {...any} args The arguments to log.
*/
function log(...args) {
if (config.get("advanced.debug")) {
console.log(`[${name}]`, ...args);
}
}
/**
* Finds the most recent common ancestor of two nodes.
* @param {Node} node1 The first node.
* @param {Node} node2 The second node.
* @returns {Node|null} The common ancestor of the two nodes.
*/
function commonAncestor(node1, node2) {
const ancestors = new Set();
for (let n = node1; n; n = n.parentNode) {
ancestors.add(n);
}
for (let n = node2; n; n = n.parentNode) {
if (ancestors.has(n)) {
return n;
}
}
return null;
}
/**
* Checks if the given node is an ancestor of another node.
* @param {Node} ancestor The ancestor node.
* @param {Node} descendant The descendant node.
* @returns {boolean} Whether the ancestor is an ancestor of the descendant.
*/
function isAncestorOf(ancestor, descendant) {
for (let n = descendant; n; n = n.parentNode) {
if (n === ancestor) {
return true;
}
}
return false
}
/**
* Opens the given URL in a new tab, respecting the user's preference.
* @param {string} url The URL to open.
*/
function open(url) {
GM_openInTab(url, { active: !config.get("operation.openTabInBg"), insert: config.get("operation.openTabInsert") });
}
/**
* Handles the given text based on the drag direction. If the text is a valid URI and protocol is allowed, open the URI; otherwise, search for the text.
* @param {string} text The text to handle.
* @param {string} direction The direction of the drag.
*/
function handleText(text, direction) {
if (URL.canParse(text)) {
const url = new URL(text);
const allowedProtocols = config.get("advanced.allowedProtocols").split(",").map(p => p.trim()).filter(Boolean);
if (allowedProtocols.length === 0 || allowedProtocols.includes(url.protocol.slice(0, -1))) {
open(text);
return;
}
}
search(text, direction);
}
/**
* Searches for the given keyword.
* @param {string} keyword The keyword to search for.
* @param {string} direction The direction of the drag.
*/
function search(keyword, direction) {
const searchEngine = config.get(`searchEngine.${direction}`) || config.get("searchEngine.default");
const maxLenMatch = searchEngine.match(/\{(\d*)\}/);
const maxLenParsed = parseInt(maxLenMatch?.[1]);
const maxLen = isNaN(maxLenParsed) ? +Infinity : maxLenParsed;
const truncated = keyword.slice(0, maxLen);
const url = searchEngine.replace(maxLenMatch[0], encodeURIComponent(truncated));
log(`Searching for "${truncated}" using "${url}"`);
open(url);
}
/**
* Updates the circle overlay size.
* @param {number} size The size of the circle overlay.
*/
function onMinDistanceChange(size) {
circle.style.setProperty("--size", size + "px");
}
/**
* Creates a circle overlay.
* @returns {HTMLDivElement} The circle overlay.
*/
function initOverlay() {
const circle = document.body.appendChild(document.createElement("div"));
circle.id = "draggy-overlay";
const textContent = `
body > #draggy-overlay {
--size: 50px; /* Circle radius */
--center-x: calc(-1 * var(--size)); /* Hide the circle by default */
--center-y: calc(-1 * var(--size));
display: none;
position: fixed;
box-sizing: border-box;
width: calc(var(--size) * 2);
height: calc(var(--size) * 2);
top: calc(var(--center-y) - var(--size));
left: calc(var(--center-x) - var(--size));
border-radius: 50%;
border: 1px solid white; /* Circle border */
padding: 0;
margin: 0;
mix-blend-mode: difference; /* Invert the background */
background: transparent;
z-index: 2147483647;
pointer-events: none;
&[data-draggy-overlay="0"] { }
&[data-draggy-overlay="1"][data-draggy-selected] { display: block; }
&[data-draggy-overlay="2"] { display: block; }
}
`;
function addStyle() {
if (document.getElementById("draggy-style")) {
return;
}
GM_addElement(document.documentElement, "style", {
id: "draggy-style",
class: "darkreader", // Make Dark Reader ignore
textContent
});
}
addStyle();
setTimeout(addStyle, 1000); // Dark Reader might remove the style
return circle;
}
/**
* Toggles the circle overlay.
* @param {number} mode When to show the circle overlay.
*/
function toggleOverlay(mode) {
circle.setAttribute("data-draggy-overlay", mode);
}
// Event listeners
document.addEventListener("drop", (e) => {
lastDrop = e.timeStamp;
log("Drop event at", e.timeStamp);
}, { passive: true });
document.addEventListener("dragstart", (e) => {
if (!judging.selection(e)) {
circle.toggleAttribute("data-draggy-selected", false);
} else {
circle.toggleAttribute("data-draggy-selected", true);
}
const { x, y } = e;
startPos = { x, y };
circle.style.setProperty("--center-x", x + "px");
circle.style.setProperty("--center-y", y + "px");
log("Drag start at", startPos);
}, { passive: true });
document.addEventListener("dragend", (e) => {
circle.style.removeProperty("--center-x");
circle.style.removeProperty("--center-y");
if (!judging.handlers(e)) {
log("Draggy interrupted by other handler(s)");
return;
}
if (!judging.dropEvent(e)) {
log("Draggy interrupted by drop event");
return;
}
const { x, y } = e;
const [dx, dy] = [x - startPos.x, y - startPos.y];
const distance = Math.hypot(dx, dy);
if (distance < config.get("operation.minDistance")) {
log("Draggy interrupted by short drag distance:", distance);
return;
}
log("Draggy starts processing...");
e.preventDefault();
const data = judging.selection(e);
if (data instanceof HTMLAnchorElement) {
open(data.href);
} else if (data instanceof HTMLImageElement) {
open(data.src);
} else if (typeof data === "string") {
// Judge direction of the drag (Up, Down, Left, Right)
const isVertical = Math.abs(dy) > Math.abs(dx);
const isPositive = isVertical ? dy > 0 : dx > 0;
const direction = isVertical ? (isPositive ? "down" : "up") : (isPositive ? "right" : "left");
log("Draggy direction:", direction);
handleText(data, direction);
} else {
log("Draggy can't find selected text or a valid link");
}
}, { passive: false });
// Dynamic configuration
const callbacks = {
"appearance.circleOverlay": toggleOverlay,
"operation.minDistance": onMinDistanceChange,
};
for (const [prop, callback] of Object.entries(callbacks)) { // Initialize
callback(config.get(prop));
}
config.addEventListener("set", (e) => { // Update
const { prop, after } = e.detail;
const callback = callbacks[prop];
callback?.(after);
});
log(`${version} initialized successfully 🎉`);
})();
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