MEGA Print Working Directory

Show current location in title when using MEGA cloud storage.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Necesitará instalar una extensión como Tampermonkey para instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión como Stylus para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

Necesitará instalar una extensión del gestor de estilos de usuario para instalar este estilo.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         MEGA Print Working Directory
// @namespace    net.myitian.js.mega.pwd
// @description  Show current location in title when using MEGA cloud storage.
// @source       https://github.com/Myitian/MEGA-PWD
// @author       Myitian
// @license      MIT
// @version      0.3
// @match        https://mega.nz/*
// @grant        GM_registerMenuCommand
// ==/UserScript==

/** @param {string[]} selectors */
function simpleCallback(...selectors) {
    const title = document.title.trim();
    if (title.length === 0) {
        return;
    }
    const dlkey = document.querySelector(".dlkey-dialog:not(.hidden)");
    if (dlkey) {
        /** @type {HTMLElement} */
        const element = dlkey.querySelector("#dlkey-dialog-title");
        mName = element?.innerText.replace("\n", "") ?? "";
    } else {
        mName = "";
        for (const selector of selectors) {
            /** @type {HTMLElement} */
            const element = document.querySelector(selector);
            if (element) {
                if (mName) {
                    mName += "/";
                }
                mName += element.innerText.trim().replace("\n", "");
            }
        }
    }
    if (!mName) {
        return;
    }
    if (baseTitle === null || /^[^\|]+MEGA[^\|]+$/.test(title)) {
        baseTitle = title;
    }
    const newTitle = `${mName} | ${baseTitle}`.trim();
    if (title !== newTitle) {
        document.title = newTitle;
    }
}
function folderCallback() {
    const title = document.title.trim();
    if (title.length === 0) {
        return;
    }
    const dlkey = document.querySelector(".dlkey-dialog:not(.hidden)");
    if (dlkey) {
        /** @type {HTMLElement} */
        const dlkeyTitle = dlkey.querySelector("#dlkey-dialog-title");
        mName = dlkeyTitle?.innerText.replace("\n", "") ?? "";
    } else {
        mName = "";
        /** @type {NodeListOf<HTMLElement>} */
        const es = document.querySelectorAll(".fm-right-files-block .breadcrumb-dropdown span");
        if (es.length > 0) {
            for (const e of es) {
                mName = `${e.innerText.trim()}/${mName}`;
            }
            /** @type {HTMLElement} */
            const element = document.querySelector(".fm-right-files-block .fm-breadcrumbs-block a:last-child .simpletip-tc");
            mName += element?.innerText;
        } else {
            /** @type {NodeListOf<HTMLElement>} */
            const es2 = document.querySelectorAll(".fm-right-files-block .fm-breadcrumbs-block .simpletip-tc");
            for (let i = 0; i < es2.length; i++) {
                mName += es2[i].innerText.trim();
                if (i < es2.length - 1) {
                    mName += "/";
                }
            }
        }
    }
    if (!mName) {
        return;
    }
    if (baseTitle === null || /^[^\|]+MEGA[^\|]+$/.test(title)) {
        baseTitle = title;
    }
    const newTitle = `${mName} | ${baseTitle}`.trim();
    if (title !== newTitle) {
        document.title = newTitle;
    }
}
/** @param {number} t */
function delay(t) {
    return new Promise((rs, _) => setTimeout(rs, t));
}

/** @typedef {"password"|"file"|"folder"|"fm"|"fm-chat"|"fm-contacts"|"fm-pwm"|"fm-account"|"fm-shares"|"fm-media"|"fm-dashboard"|null} Mode */

/** @type {MutationObserverInit} */
const OBSERVER_CONFIG = { attributes: true, childList: true, subtree: true };
GM_registerMenuCommand("PWD", () => prompt("Value", mName));
let forceRefresh = false;
let mName = null;
let baseTitle = null;
/** @type {MutationObserver|null} */
let observer = null;
/** @type {Mode} */
let prevMode = null;

window.addEventListener("hashchange", e => main(new URL(e.newURL)));
const originalPushState = history.pushState;
history.pushState = (data, unused, url) => {
    main(new URL(url, window.location.href));
    return originalPushState.call(history, data, unused, url);
}
main(window.location);

/** @param {URL|Location} url */
async function main(url) {
    /** @type {Mode} */
    let mode = null;
    if (url.hash.startsWith("#P!")) {
        mode = "password";
    } else if (url.pathname.startsWith("/file/")) {
        mode = "file";
    } else if (url.pathname.startsWith("/folder/")
        || url.pathname.match(/^\/fm(?:\/(?:[0-9A-Za-z]{8})?)?$/)) {
        mode = "folder";
    } else if (url.pathname.startsWith("/fm/chat/contacts")) {
        mode = "fm-contacts";
    } else if (url.pathname.startsWith("/fm/chat")) {
        mode = "fm-chat";
    } else if (url.pathname.startsWith("/fm/pwm")) {
        mode = "fm-pwm";
    } else if (url.pathname.startsWith("/fm/account")) {
        mode = "fm-account";
    } else if (url.pathname.startsWith("/fm/shares")
        || url.pathname.startsWith("/fm/out-shares")
        || url.pathname.startsWith("/fm/public-links")
        || url.pathname.startsWith("/fm/file-requests")) {
        mode = "fm-shares";
    } else if (url.pathname.startsWith("/fm/photos")
        || url.pathname.startsWith("/fm/albums")) {
        mode = "fm-media";
    } else if (url.pathname.startsWith("/fm/dashboard")) {
        mode = "fm-dashboard";
    } else if (url.pathname.startsWith("/fm/")) {
        mode = "fm";
    }
    if (mode !== prevMode || forceRefresh) {
        forceRefresh = false;
        observer?.disconnect();
        console.debug("[MEGA-PWD]", "SwitchMode:", prevMode, "->", mode);
        prevMode = mode;
        if (mode !== null) {
            /** @type {{callback:()=>void,selector:string}|null} */
            let config = null;
            switch (mode) {
                case "password":
                    config = {
                        selector: "#password-dialog-title",
                        callback: () => simpleCallback("#password-dialog-title")
                    };
                    break;
                case "file":
                    config = {
                        selector: ".title-block",
                        callback: () => simpleCallback(".title-block")
                    };
                    break;
                case "folder":
                    config = {
                        selector: ".fm-right-files-block .fm-breadcrumbs-wrapper",
                        callback: folderCallback
                    };
                    break;
                case "fm-contacts":
                    config = {
                        selector: ".contacts-navigation",
                        callback: () => simpleCallback(".contacts-navigation .active")
                    };
                    break;
                case "fm-chat":
                    config = {
                        selector: ".lhp-nav",
                        callback: () => simpleCallback(".lhp-nav-container.active")
                    };
                    break;
                case "fm-pwm":
                    config = {
                        selector: ".top-nav .primary-text",
                        callback: () => simpleCallback(".top-nav .primary-text")
                    };
                    break;
                case "fm-account":
                    config = {
                        selector: ".account .lp-content-wrap",
                        callback: () => simpleCallback(".account .lp-header", ".account .settings-button.active .head-title")
                    };
                    break;
                case "fm-shares":
                    config = {
                        selector: ".shares-tabs-bl",
                        callback: () => simpleCallback(".mega-component.active .primary-text", ".shares-tab-lnk.active")
                    };
                    break;
                case "fm-media":
                    config = {
                        selector: "#media-tabs",
                        callback: () => simpleCallback(".mega-component.active .primary-text", "#media-tabs .active")
                    };
                    break;
                case "fm-dashboard":
                    config = {
                        selector: ".to-my-profile .primary-text",
                        callback: () => simpleCallback(".to-my-profile .primary-text")
                    };
                    break;
                case "fm":
                    config = {
                        selector: ".menu.ps",
                        callback: () => simpleCallback(".mega-component.active .primary-text")
                    };
                    break;
            }
            let element = null;
            observer = new MutationObserver(config.callback);
            if (mode === "file" || mode === "folder") {
                while (!(element = document.querySelector(".dlkey-dialog"))) {
                    await delay(50);
                }
                config.callback();
                observer.observe(element, OBSERVER_CONFIG);
                if (mode === "file") {
                    const largeChangeObserver = new MutationObserver(records => {
                        if (records.find(
                            it => Array.from(it.removedNodes).find(
                                iit => iit instanceof Element && iit.classList.contains("bottom-page")))) {
                            largeChangeObserver.disconnect();
                            forceRefresh = true;
                        }
                    });
                    largeChangeObserver.observe(document.querySelector("#startholder"), OBSERVER_CONFIG);
                }
            }
            while (!(element = document.querySelector(config.selector))) {
                await delay(50);
            }
            config.callback();
            observer.observe(document.querySelector("title"), OBSERVER_CONFIG);
            observer.observe(element, OBSERVER_CONFIG);
        }
    }
}