Setzt alle flpPlaylist-Items auf free:true, zeigt Download-Liste an und fügt "Download all" für m4a/ogg hinzu
// ==UserScript==
// @name Feynman FLP: Show Download Links + Download All (Firefox)
// @namespace https://example.local/
// @version 1.5
// @description Setzt alle flpPlaylist-Items auf free:true, zeigt Download-Liste an und fügt "Download all" für m4a/ogg hinzu
// @match *://feynmanlectures.caltech.edu/flptapes.html
// @match *://www.feynmanlectures.caltech.edu/flptapes.html
// @run-at document-start
// @grant none
// @license MIT
// ==/UserScript==
(function() {
"use strict";
function inject(fn) {
const s = document.createElement('script');
s.textContent = `(${fn})();`;
(document.head || document.documentElement).appendChild(s);
s.remove();
}
inject(function pageContext() {
// ---- Helpers ----
function sanitizeFilename(name) {
return name
.replace(/<[^>]+>/g, "") // HTML-Tags weg
.replace(/[\\/:*?"<>|]+/g, "_") // verbotene FS-Zeichen
.replace(/\s+/g, " ")
.trim()
.slice(0, 120);
}
function basename(path) {
try { return path.split("?")[0].split("#")[0].split("/").pop(); } catch { return path; }
}
function clickDownload(url, fileName) {
const a = document.createElement("a");
a.href = url;
if (fileName) a.download = fileName;
a.rel = "noopener";
a.target = "_blank"; // in FF hilft das oft beim Download-Flow
document.body.appendChild(a);
a.click();
a.remove();
}
// ---- Patch + UI ----
function patchPlaylistOnce() {
if (window.flpPlaylist && Array.isArray(window.flpPlaylist)) {
try {
window.flpPlaylist.forEach(it => { it.free = true; });
console.log("[FLP userscript] flpPlaylist gepatcht (free:true).");
} catch (e) {
console.warn("[FLP userscript] Patch-Fehler:", e);
}
return true;
}
return false;
}
(function waitForPlaylist() {
if (!patchPlaylistOnce()) {
setTimeout(waitForPlaylist, 150);
} else {
setTimeout(buildDownloadPanel, 400);
}
})();
function buildDownloadPanel() {
if (!Array.isArray(window.flpPlaylist) || window.flpPlaylist.length === 0) return;
const base = new URL(window.location.href);
const panel = document.createElement('div');
panel.id = "flp-download-panel";
Object.assign(panel.style, {
position: "fixed",
bottom: "16px",
right: "16px",
maxHeight: "70vh",
overflow: "auto",
background: "rgba(0,0,0,0.85)",
color: "#fff",
font: "14px/1.4 system-ui, sans-serif",
padding: "12px 14px 14px",
borderRadius: "10px",
boxShadow: "0 6px 18px rgba(0,0,0,0.35)",
zIndex: "99999",
width: "420px",
});
// Header
const header = document.createElement('div');
header.textContent = "FLP Downloads (m4a | ogg)";
header.style.fontWeight = "600";
header.style.marginBottom = "6px";
panel.appendChild(header);
const info = document.createElement('div');
info.textContent = "Rechtsklick auf Links → „Ziel speichern unter…“ oder nutze „Download all“.";
info.style.opacity = "0.85";
info.style.marginBottom = "8px";
panel.appendChild(info);
// Controls
const controls = document.createElement('div');
controls.style.display = "flex";
controls.style.gap = "8px";
controls.style.flexWrap = "wrap";
controls.style.marginBottom = "8px";
function makeBtn(label) {
const b = document.createElement('button');
b.textContent = label;
Object.assign(b.style, {
cursor: "pointer",
padding: "6px 10px",
borderRadius: "8px",
border: "1px solid rgba(255,255,255,0.25)",
background: "rgba(255,255,255,0.08)",
color: "#fff",
});
b.onmouseenter = () => b.style.background = "rgba(255,255,255,0.14)";
b.onmouseleave = () => b.style.background = "rgba(255,255,255,0.08)";
return b;
}
const btnAllM4A = makeBtn("Download all (m4a)");
const btnAllOGG = makeBtn("Download all (ogg)");
const btnStop = makeBtn("Stop");
btnStop.style.display = "none";
// Delay input
const delayWrap = document.createElement('div');
delayWrap.style.display = "flex";
delayWrap.style.alignItems = "center";
delayWrap.style.gap = "6px";
delayWrap.style.marginLeft = "auto";
const delayLabel = document.createElement('label');
delayLabel.textContent = "Delay (ms):";
const delayInput = document.createElement('input');
delayInput.type = "number";
delayInput.min = "200";
delayInput.value = "1200";
Object.assign(delayInput.style, {
width: "80px",
padding: "4px 6px",
borderRadius: "6px",
border: "1px solid rgba(255,255,255,0.25)",
background: "rgba(255,255,255,0.06)",
color: "#fff",
});
delayWrap.appendChild(delayLabel);
delayWrap.appendChild(delayInput);
controls.appendChild(btnAllM4A);
controls.appendChild(btnAllOGG);
controls.appendChild(btnStop);
controls.appendChild(delayWrap);
panel.appendChild(controls);
// Progress
const progress = document.createElement('div');
progress.style.marginBottom = "8px";
progress.style.opacity = "0.9";
panel.appendChild(progress);
// Liste
const list = document.createElement('ol');
list.style.margin = "0";
list.style.paddingLeft = "18px";
window.flpPlaylist.forEach((item, idx) => {
const li = document.createElement('li');
li.style.marginBottom = "6px";
const title = (item.title || "").replace(/<[^>]+>/g, "").trim() || `Track ${idx+1}`;
const m4aHref = item.m4a ? new URL(item.m4a, base).href : null;
const oggHref = item.oga ? new URL(item.oga, base).href : null;
const titleSpan = document.createElement('span');
titleSpan.textContent = title + " — ";
li.appendChild(titleSpan);
function link(href, label) {
const a = document.createElement('a');
a.href = href;
a.textContent = label;
a.style.color = "#7cc7ff";
a.setAttribute("download", "");
a.rel = "noopener";
a.target = "_blank";
return a;
}
if (m4aHref) li.appendChild(link(m4aHref, "m4a"));
if (m4aHref && oggHref) li.appendChild(document.createTextNode(" | "));
if (oggHref) li.appendChild(link(oggHref, "ogg"));
list.appendChild(li);
});
panel.appendChild(list);
// Close
const closeBtn = document.createElement('button');
closeBtn.textContent = "×";
closeBtn.title = "Panel schließen";
Object.assign(closeBtn.style, {
position: "absolute",
top: "4px",
right: "8px",
border: "none",
background: "transparent",
color: "#fff",
fontSize: "18px",
cursor: "pointer",
});
closeBtn.onclick = () => panel.remove();
panel.appendChild(closeBtn);
document.documentElement.appendChild(panel);
// ---- Download-All Logik ----
let stopFlag = false;
let running = false;
async function downloadAll(kind /* 'm4a' | 'ogg' */) {
if (running) return;
running = true; stopFlag = false;
btnStop.style.display = "inline-block";
progress.textContent = `Start: Alle ${kind.toUpperCase()}-Dateien werden nacheinander geladen…`;
const delay = Math.max(200, parseInt(delayInput.value || "1200", 10));
const items = window.flpPlaylist.map((item, idx) => {
const title = sanitizeFilename(item.title || `Track ${idx+1}`);
const href = kind === "m4a"
? (item.m4a ? new URL(item.m4a, base).href : null)
: (item.oga ? new URL(item.oga, base).href : null);
let ext = kind === "m4a" ? ".m4a" : ".ogg";
if (href) {
const baseName = basename(href);
const detectedExt = (baseName.match(/\.(m4a|mp4|ogg|oga)$/i) || [])[0];
if (detectedExt) ext = detectedExt.toLowerCase();
}
const fileName = `${title}${ext}`;
return { href, fileName, idx };
}).filter(x => x.href);
if (items.length === 0) {
progress.textContent = `Keine ${kind.toUpperCase()}-Links gefunden.`;
running = false; btnStop.style.display = "none";
return;
}
// Hinweis an Nutzer (Popup-Blocker)
alert(`Ich starte ${items.length} Downloads (${kind.toUpperCase()}).\nWenn Firefox fragt, erlaube mehrere Downloads von dieser Seite.`);
for (let i = 0; i < items.length; i++) {
if (stopFlag) { progress.textContent = `Abgebrochen bei ${i}/${items.length}.`; break; }
const { href, fileName } = items[i];
progress.textContent = `(${i+1}/${items.length}) Lade: ${fileName}`;
clickDownload(href, fileName);
// Delay zwischen Downloads
await new Promise(r => setTimeout(r, delay));
}
if (!stopFlag) progress.textContent = `Fertig (${kind.toUpperCase()}).`;
running = false; stopFlag = false;
btnStop.style.display = "none";
}
btnAllM4A.onclick = () => downloadAll("m4a");
btnAllOGG.onclick = () => downloadAll("ogg");
btnStop.onclick = () => { stopFlag = true; };
console.log("[FLP userscript] Download-Panel eingefügt (mit Download-all).");
}
});
})();