feat: fullscreen carries across videos, and stays out of the way

In fullscreen, Next now keeps you there and shows nothing but the
picture: one video after another, no arrows, no header, no counter.

Three things had to change for that. The player was keyed on the video,
so every Next rebuilt the stage — and the stage is what is fullscreen.
It now survives, resetting its own per-video state instead of being
thrown away to get it.

The cleanup that ran on every change of source called exitFullscreen
outright. It exists for the Picture-in-Picture leak, which does need
handling per video; leaving fullscreen and dropping the source belong
to leaving the player, and are now only done there.

And resolving a stream set the source to nothing first, which unmounted
the element mid-fullscreen. The outgoing video is paused in place
instead, and the source goes straight from one address to the next.

The edge arrows are gone in fullscreen. The transport bar stays — it is
playback, not navigation — and fades on its own as before.

Also: Remove all downloads in the menu bar panel, which asks in the
window rather than in a panel that closes when you look away; and the
JavaScript round-trip logging is gone now that the scrape is settled.

Verified in the running app: three videos in a row without leaving
fullscreen, chrome faded to nothing, and Remove all reaching the
window's own "Delete every download?" with 50 downloads left untouched.

src-tauri/src/tray.rs

@@ -129,15 +129,6 @@ async fn browser_youtube_url(app: &AppHandle) -> Result<String, String> {
 /// Arc allows this out of the box. Chrome and its relatives ship with it off,
 /// and say so in the error, which is passed straight back rather than being
 /// flattened into "something went wrong".
-pub async fn run_js_logged(app: &AppHandle, browser: &str, js: &str) -> Result<String, String> {
-    let r = run_js(browser, js).await;
-    match &r {
-        Ok(out) => log(app, &format!("js ok, {} chars back", out.len())),
-        Err(e) => log(app, &format!("js failed: {e}")),
-    }
-    r
-}
-
 pub async fn run_js(browser: &str, js: &str) -> Result<String, String> {
     let safari = browser == "Safari";
     let script = if safari {
@@ -211,7 +202,7 @@ pub async fn scrape_subscriptions(app: &AppHandle) -> Result<subscriptions::Scra
     let mut last = 0usize;
     let mut settled = 0;
     for round in 0..40 {
-        let n = run_js_logged(app, &browser, subscriptions::SCROLL_JS)
+        let n = run_js(&browser, subscriptions::SCROLL_JS)
             .await?
             .parse::<usize>()
             .unwrap_or(0);
@@ -232,7 +223,7 @@ pub async fn scrape_subscriptions(app: &AppHandle) -> Result<subscriptions::Scra
         tokio::time::sleep(std::time::Duration::from_millis(900)).await;
     }
 
-    let raw = run_js_logged(app, &browser, subscriptions::EXTRACT_JS).await?;
+    let raw = run_js(&browser, subscriptions::EXTRACT_JS).await?;
     let rows = subscriptions::parse_rows(&raw);
     log(app, &format!("scraped {} channels from {browser}", rows.len()));
     if rows.is_empty() {
@@ -366,7 +357,7 @@ pub fn quit_app(app: AppHandle) {
 
 /// The panel's own size. Fixed, because it is a menu: it does not resize.
 const PANEL_W: f64 = 304.0;
-const PANEL_H: f64 = 252.0;
+const PANEL_H: f64 = 296.0;
 
 /// Opens the panel under the menu bar icon.
 ///

src/App.tsx

@@ -359,6 +359,15 @@ export default function App() {
     });
   }, [quality, embedLang]);
 
+  // The menu bar can ask to clear the downloads; the answering is done here,
+  // by the same confirmation the toolbar uses.
+  useEffect(() => {
+    const un = listen("downloads:wipe-request", () => setConfirmWipe(true));
+    return () => {
+      void un.then((f) => f());
+    };
+  }, []);
+
   // The menu bar reads the subscription list, but replacing what is here is
   // not a thing to agree to in a panel that closes when you look away.
   useEffect(() => {
@@ -742,9 +751,12 @@ export default function App() {
       </main>
       </div>
 
+      {/* The player is deliberately not keyed on the video. Remounting would
+          build a new stage element, and the stage is what is fullscreen — so
+          every Next dropped out of fullscreen. It resets its own per-video
+          state instead. */}
       {playing && playingIndex != null && (
         <Player
-          key={playing.item.id}
           item={playing.item}
           path={playing.path}
           index={playingIndex}

src/components/Player.tsx

@@ -1,9 +1,20 @@
 import { useCallback, useEffect, useRef, useState } from "react";
 import {
-  embeddedSubtitles, fetchSubtitles, fileUrl, listSubtitles, openExternal, resolveStream,
+  embeddedSubtitles,
+  fetchSubtitles,
+  fileUrl,
+  listSubtitles,
+  openExternal,
+  resolveStream,
   savePlayback,
 } from "../api";
-import { DEFAULT_SUB_LANG, SUB_FONTS, SUB_PLACES, type FeedItem, type SubStyle } from "../types";
+import {
+  DEFAULT_SUB_LANG,
+  SUB_FONTS,
+  SUB_PLACES,
+  type FeedItem,
+  type SubStyle,
+} from "../types";
 import { compactViews, relativeTime, subtitleLabel } from "./format";
 import PlayerControls from "./PlayerControls";
 import { Badge, BTN, Dialog, Spinner } from "./ui";
@@ -39,20 +50,22 @@ interface Props {
 }
 
 /**
- * Releases a <video> completely.
+ * Ends any Picture-in-Picture session on a <video>.
  *
- * Detaching the element is not enough: WebKit keeps a Picture-in-Picture
+ * Detaching the element is not enough: WebKit keeps the session (and its
- * session (and its audio) running after the element leaves the DOM, so closing
+ * audio) running after the element leaves the DOM, so stepping to the next
- * the player or stepping to the next video would leave the previous one playing
+ * video would leave the previous one playing with no way to stop it.
- * with no way to stop it. Every exit path goes through here.
  */
-function teardown(v: HTMLVideoElement | null) {
+function releasePiP(v: HTMLVideoElement | null) {
   if (!v) return;
   // Safari's PiP is the non-standard presentation-mode API; the spec one is
   // tried too, since either may be the live implementation.
   const webkit = v as WebkitVideo;
   try {
-    if (webkit.webkitPresentationMode && webkit.webkitPresentationMode !== "inline") {
+    if (
+      webkit.webkitPresentationMode &&
+      webkit.webkitPresentationMode !== "inline"
+    ) {
       webkit.webkitSetPresentationMode?.("inline");
     }
   } catch {
@@ -68,6 +81,18 @@ function teardown(v: HTMLVideoElement | null) {
   } catch {
     /* not supported here */
   }
+}
+
+/**
+ * Releases the element for good, on the way out of the player.
+ *
+ * Separate from the above because it also leaves fullscreen, and this used to
+ * run on every change of video: stepping to the next one dropped you out of
+ * fullscreen every time, which is the opposite of watching one after another.
+ */
+function teardown(v: HTMLVideoElement | null) {
+  if (!v) return;
+  releasePiP(v);
   try {
     if (document.fullscreenElement) void document.exitFullscreen();
   } catch {
@@ -157,9 +182,24 @@ function placeCues(vtt: string, line: number | null): string {
 }
 
 export default function Player({
-  item, path, onClose, onDelete, onPrev, onNext, onDownload, downloading,
+  item,
-  maxHeight, subLang, onSubLang, subStyle, onSubStyle, onOpenChannel, autoplayNext,
+  path,
-  index, total, titleBarInset,
+  onClose,
+  onDelete,
+  onPrev,
+  onNext,
+  onDownload,
+  downloading,
+  maxHeight,
+  subLang,
+  onSubLang,
+  subStyle,
+  onSubStyle,
+  onOpenChannel,
+  autoplayNext,
+  index,
+  total,
+  titleBarInset,
 }: Props) {
   const streaming = path === null;
   const [src, setSrc] = useState<string | null>(path ? fileUrl(path) : null);
@@ -243,7 +283,8 @@ export default function Player({
   // Placement is a WebVTT cue setting, not something CSS can reach, so it is
   // written into the cues themselves. Re-cut whenever the choice changes.
   useEffect(() => {
-    const line = SUB_PLACES.find((p) => p.value === subStyle.place)?.line ?? null;
+    const line =
+      SUB_PLACES.find((p) => p.value === subStyle.place)?.line ?? null;
     const urls: string[] = [];
     setTracks(
       rawTracks.map(([lang, text]) => {
@@ -259,6 +300,24 @@ export default function Player({
     };
   }, [rawTracks, subStyle.place]);
 
+  // What a remount used to clear. Kept in one place so a new video starts as
+  // clean as it would have, without throwing the stage away to get there.
+  useEffect(() => {
+    setError(null);
+    setBuffering(true);
+    setShowDescription(false);
+  }, [item.id]);
+
+  // Fullscreen belongs to the stage, which now outlives the video. Whether it
+  // is on decides whether anything to click is shown at all.
+  const [fullscreen, setFullscreen] = useState(false);
+  useEffect(() => {
+    const sync = () => setFullscreen(!!document.fullscreenElement);
+    sync();
+    document.addEventListener("fullscreenchange", sync);
+    return () => document.removeEventListener("fullscreenchange", sync);
+  }, []);
+
   // Controls and edge arrows fade away while you are just watching.
   const [chromeVisible, setChromeVisible] = useState(true);
   const hideTimer = useRef<number | undefined>(undefined);
@@ -279,8 +338,11 @@ export default function Player({
       return;
     }
     let cancelled = false;
-    setSrc(null);
     setError(null);
+    // Quiet the outgoing video, but leave it in place: clearing the source
+    // would unmount the element mid-fullscreen.
+    videoRef.current?.pause();
+    setBuffering(true);
     resolveStream(item.id, maxHeight)
       .then((u) => !cancelled && setSrc(u))
       .catch((e) => !cancelled && setError(String(e)));
@@ -289,7 +351,6 @@ export default function Player({
     };
   }, [item.id, path, maxHeight]);
 
-
   const persist = useCallback(() => {
     const v = videoRef.current;
     if (!v || !Number.isFinite(v.duration) || v.duration <= 0) return;
@@ -305,9 +366,15 @@ export default function Player({
 
   useEffect(() => {
     const v = videoRef.current;
-    return () => teardown(v);
+    return () => releasePiP(v);
   }, [src]);
 
+  // Leaving the player is the only place the element is released outright.
+  useEffect(() => {
+    const v = videoRef.current;
+    return () => teardown(v);
+  }, []);
+
   const onTimeUpdate = () => {
     // Frames are flowing, so whatever the media events claimed, we are not
     // buffering. A resume-seek can fire `waiting` after `playing` and leave the
@@ -326,7 +393,8 @@ export default function Player({
     const v = videoRef.current;
     const at = item.position ?? 0;
     if (!v || !Number.isFinite(v.duration)) return;
-    if (at > RESUME_EDGE_S && at < v.duration - RESUME_EDGE_S) v.currentTime = at;
+    if (at > RESUME_EDGE_S && at < v.duration - RESUME_EDGE_S)
+      v.currentTime = at;
   };
 
   const leave = useCallback(() => onClose(), [onClose]);
@@ -340,8 +408,16 @@ export default function Player({
       if (e.key === "Escape" && !document.fullscreenElement) leave();
       // Moving between videos. Shift with the arrows because the bare ones
       // seek, and shift with N and P because that is what YouTube uses.
-      if (e.shiftKey && (e.key === "ArrowLeft" || e.key === "P" || e.key === "p")) onPrev?.();
+      if (
-      if (e.shiftKey && (e.key === "ArrowRight" || e.key === "N" || e.key === "n")) onNext?.();
+        e.shiftKey &&
+        (e.key === "ArrowLeft" || e.key === "P" || e.key === "p")
+      )
+        onPrev?.();
+      if (
+        e.shiftKey &&
+        (e.key === "ArrowRight" || e.key === "N" || e.key === "n")
+      )
+        onNext?.();
     };
     window.addEventListener("keydown", onKey);
     return () => window.removeEventListener("keydown", onKey);
@@ -386,17 +462,41 @@ export default function Player({
         className="flex items-center gap-2 border-b border-slate-200 bg-white px-4 py-3
                    dark:border-slate-800 dark:bg-slate-900"
       >
-        <button onClick={leave} title="Back to the feed (Esc)" aria-label="Back"
+        <button
-          className={navIcon}>
+          onClick={leave}
-          <svg viewBox="0 0 24 24" className="size-4" fill="none" stroke="currentColor" strokeWidth="2">
+          title="Back to the feed (Esc)"
-            <path strokeLinecap="round" strokeLinejoin="round" d="M15 6l-6 6 6 6" />
+          aria-label="Back"
+          className={navIcon}
+        >
+          <svg
+            viewBox="0 0 24 24"
+            className="size-4"
+            fill="none"
+            stroke="currentColor"
+            strokeWidth="2"
+          >
+            <path
+              strokeLinecap="round"
+              strokeLinejoin="round"
+              d="M15 6l-6 6 6 6"
+            />
           </svg>
         </button>
 
-        <button onClick={onPrev} disabled={!onPrev} title="Previous video" className={navBtn}>
+        <button
+          onClick={onPrev}
+          disabled={!onPrev}
+          title="Previous video"
+          className={navBtn}
+        >
           ‹ Prev
         </button>
-        <button onClick={onNext} disabled={!onNext} title="Next video" className={navBtn}>
+        <button
+          onClick={onNext}
+          disabled={!onNext}
+          title="Next video"
+          className={navBtn}
+        >
           Next ›
         </button>
         <span className="font-mono text-[11px] tabular-nums text-slate-400 dark:text-slate-500">
@@ -421,7 +521,10 @@ export default function Player({
           error ? (
             <Badge tone="danger">Unavailable</Badge>
           ) : src && !buffering ? (
-            <Badge tone="accent" title={`Streaming at ${height || "an unknown"}p`}>
+            <Badge
+              tone="accent"
+              title={`Streaming at ${height || "an unknown"}p`}
+            >
               Streaming{height ? ` · ${height}p` : ""}
             </Badge>
           ) : (
@@ -447,12 +550,19 @@ export default function Player({
         ref={stageRef}
         onContextMenu={(e) => e.preventDefault()}
         onMouseMove={showChrome}
-        onMouseLeave={() => !videoRef.current?.paused && setChromeVisible(false)}
+        onMouseLeave={() =>
+          !videoRef.current?.paused && setChromeVisible(false)
+        }
         className={`relative min-h-0 flex-1 bg-slate-950 ${chromeVisible ? "" : "cursor-none"}`}
       >
         {/* Edge arrows, the way a player wants them: big targets on the left and
             right of the picture. They fade in on hover so they never sit on top
-            of the video while you are watching it. */}
+            of the video while you are watching it.
+
+            Gone entirely in fullscreen. Nothing to navigate with there: it
+            plays one video after another and shows only the picture. */}
+        {!fullscreen && (
+          <>
             <button
               onClick={onPrev}
               disabled={!onPrev}
@@ -471,6 +581,8 @@ export default function Player({
             >
               ›
             </button>
+          </>
+        )}
 
         {/* Resolving the stream and buffering it are the same wait as far as
             you are concerned, so they get the same spinner in the same place. */}
@@ -483,7 +595,6 @@ export default function Player({
         {src ? (
           <video
             ref={videoRef}
-            key={src}
             src={src}
             autoPlay
             onContextMenu={(e) => e.preventDefault()}
@@ -513,7 +624,13 @@ export default function Player({
             className="absolute inset-0 size-full object-contain"
           >
             {tracks.map(([lang, url]) => (
-              <track key={url} kind="subtitles" srcLang={lang} label={subtitleLabel(lang)} src={url} />
+              <track
+                key={url}
+                kind="subtitles"
+                srcLang={lang}
+                label={subtitleLabel(lang)}
+                src={url}
+              />
             ))}
           </video>
         ) : (
@@ -522,7 +639,9 @@ export default function Player({
               <div className="max-w-sm">
                 <p className="text-[13px] text-red-400">{error}</p>
                 <button
-                  onClick={() => openExternal(`https://www.youtube.com/watch?v=${item.id}`)}
+                  onClick={() =>
+                    openExternal(`https://www.youtube.com/watch?v=${item.id}`)
+                  }
                   className={`${BTN} mt-3 cursor-pointer py-1.5`}
                 >
                   Open on YouTube instead
@@ -592,8 +711,18 @@ export default function Player({
                 {downloading ? (
                   <Spinner className="size-4" />
                 ) : (
-                  <svg viewBox="0 0 24 24" className="size-4" fill="none" stroke="currentColor" strokeWidth="2">
+                  <svg
-                    <path strokeLinecap="round" strokeLinejoin="round" d="M12 4v12m0 0l-4-4m4 4l4-4M4 20h16" />
+                    viewBox="0 0 24 24"
+                    className="size-4"
+                    fill="none"
+                    stroke="currentColor"
+                    strokeWidth="2"
+                  >
+                    <path
+                      strokeLinecap="round"
+                      strokeLinejoin="round"
+                      d="M12 4v12m0 0l-4-4m4 4l4-4M4 20h16"
+                    />
                   </svg>
                 )}
               </button>
@@ -606,30 +735,53 @@ export default function Player({
                 className={`${navIcon} hover:border-red-500! hover:text-red-600!
                             dark:hover:border-red-500! dark:hover:text-red-400!`}
               >
-                <svg viewBox="0 0 24 24" className="size-4" fill="none" stroke="currentColor" strokeWidth="2">
+                <svg
-                  <path strokeLinecap="round" strokeLinejoin="round"
+                  viewBox="0 0 24 24"
-                    d="M4 7h16M9 7V5h6v2M6 7l1 13h10l1-13M10 11v6M14 11v6" />
+                  className="size-4"
+                  fill="none"
+                  stroke="currentColor"
+                  strokeWidth="2"
+                >
+                  <path
+                    strokeLinecap="round"
+                    strokeLinejoin="round"
+                    d="M4 7h16M9 7V5h6v2M6 7l1 13h10l1-13M10 11v6M14 11v6"
+                  />
                 </svg>
               </button>
             )}
             <button
-              onClick={() => openExternal(`https://www.youtube.com/watch?v=${item.id}`)}
+              onClick={() =>
+                openExternal(`https://www.youtube.com/watch?v=${item.id}`)
+              }
               title="Open on YouTube"
               aria-label="Open on YouTube"
               className={navIcon}
             >
-              <svg viewBox="0 0 24 24" className="size-4" fill="none" stroke="currentColor" strokeWidth="2">
+              <svg
-                <path strokeLinecap="round" strokeLinejoin="round"
+                viewBox="0 0 24 24"
-                  d="M14 4h6v6M20 4l-9 9M18 14v5a1 1 0 01-1 1H5a1 1 0 01-1-1V7a1 1 0 011-1h5" />
+                className="size-4"
+                fill="none"
+                stroke="currentColor"
+                strokeWidth="2"
+              >
+                <path
+                  strokeLinecap="round"
+                  strokeLinejoin="round"
+                  d="M14 4h6v6M20 4l-9 9M18 14v5a1 1 0 01-1 1H5a1 1 0 01-1-1V7a1 1 0 011-1h5"
+                />
               </svg>
             </button>
           </div>
         </div>
-
       </footer>
 
       {showDescription && (
-        <Dialog title={item.title} onCancel={() => setShowDescription(false)} wide>
+        <Dialog
+          title={item.title}
+          onCancel={() => setShowDescription(false)}
+          wide
+        >
           <p className="whitespace-pre-wrap text-[12.5px] leading-relaxed">
             <Linked text={item.description} />
           </p>

src/components/TrayPanel.tsx

@@ -122,6 +122,29 @@ export default function TrayPanel() {
         }
       />
 
+      <Row
+        label="Remove all downloads"
+        hint="Asks in the window first"
+        busy={busy === "wipe"}
+        onClick={() =>
+          run(
+            "wipe",
+            async () => {
+              await emitTo("main", "downloads:wipe-request", null);
+              await showMainWindow();
+            },
+            false,
+          )
+        }
+        icon={
+          <svg viewBox="0 0 24 24" className={ICON} {...stroke} strokeLinecap="round" strokeLinejoin="round">
+            <path d="M4 7h16M10 11v6M14 11v6" />
+            <path d="M6 7l1 12.5A1.5 1.5 0 008.5 21h7a1.5 1.5 0 001.5-1.5L18 7" />
+            <path d="M9 7V5a1 1 0 011-1h4a1 1 0 011 1v2" />
+          </svg>
+        }
+      />
+
       <div className="my-1 h-px bg-slate-200 dark:bg-slate-800" />
 
       <Row