MEGA Print Working Directory

Show current location in title when using MEGA cloud storage.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey, Greasemonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Violentmonkey.

Voor het installeren van scripts heb je een extensie nodig, zoals Tampermonkey of Userscripts.

Voor het installeren van scripts heb je een extensie nodig, zoals {tampermonkey_link:Tampermonkey}.

Voor het installeren van scripts heb je een gebruikersscriptbeheerder nodig.

(Ik heb al een user script manager, laat me het downloaden!)

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een extensie nodig, zoals {stylus_link:Stylus}.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

Voor het installeren van gebruikersstijlen heb je een gebruikersstijlbeheerder nodig.

(Ik heb al een beheerder - laat me doorgaan met de installatie!)

// ==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);
        }
    }
}