MEGA Print Working Directory

Show current location in title when using MEGA cloud storage.

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==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);
        }
    }
}