fix(studio): make clip peak warnings plain and hoverable (#5099)

* fix(studio): make clip peak warnings plain and hoverable

* fix(studio): expose peak detail on clip focus above waveforms

* fix(studio): preserve shared badge styling and track test identity

packages/studio/src/components/ui/Tooltip.tsx

@@ -14,6 +14,7 @@ interface TooltipProps {
   children: ReactElement<{ "aria-describedby"?: string }>;
   /** Hover delay in ms. */
   delay?: number;
+  disabled?: boolean;
   side?: "top" | "bottom" | "left" | "right";
 }
 
@@ -21,16 +22,22 @@ interface TooltipProps {
 const SIDE_OFFSET = 6;
 const VIEWPORT_MARGIN = 8;
 
-export function Tooltip({ label, children, delay = 400, side = "top" }: TooltipProps) {
+export function Tooltip({
+  label,
+  children,
+  delay = 400,
+  side = "top",
+  disabled = false,
+}: TooltipProps) {
   const [open, setOpen] = useState(false);
   const boxRef = useRef<HTMLSpanElement>(null);
   const tooltipId = useId();
 
   return (
-    <BaseTooltip.Root open={open} onOpenChange={setOpen}>
+    <BaseTooltip.Root open={open} onOpenChange={setOpen} disabled={disabled}>
       <BaseTooltip.Trigger delay={delay} render={<span ref={boxRef} className="contents" />}>
         {cloneElement(children, {
-          "aria-describedby": open ? tooltipId : children.props["aria-describedby"],
+          "aria-describedby": open && !disabled ? tooltipId : children.props["aria-describedby"],
         })}
       </BaseTooltip.Trigger>
       <BaseTooltip.Portal>

packages/studio/src/player/components/ClipPeakMarks.test.tsx

@@ -3,6 +3,9 @@ import { act } from "react";
 import { describe, expect, it, vi } from "vitest";
 import { createHappyDomRootHarness } from "./testRootHarness";
 import { ClipPeakMarks } from "./ClipPeakMarks";
+import { TimelineClip } from "./TimelineClip";
+
+Object.defineProperty(globalThis, "IS_REACT_ACT_ENVIRONMENT", { configurable: true, value: true });
 
 const harness = createHappyDomRootHarness();
 
@@ -13,29 +16,70 @@ async function render(url: string, bins: number[], gain: number) {
   );
   const host = document.createElement("div");
   document.body.appendChild(host);
-  await act(async () => {
-    harness.mount(host).render(
-      <ClipPeakMarks peaksUrl={url} sourceWindow={{ mediaStart: 0, sourceSpan: 2 }} gain={gain}>
+  const root = harness.mount(host);
+  const view = (volume: number) => (
+    <TimelineClip
+      el={{ id: "audio", tag: "audio", start: 0, duration: 2, track: 0 }}
+      pps={16}
+      clipY={0}
+      isSelected={false}
+      isHovered={false}
+      hasCustomContent
+      capabilities={{ canMove: true, canTrimStart: true, canTrimEnd: true }}
+      isComposition={false}
+      tabIndex={0}
+      onHoverStart={() => {}}
+      onHoverEnd={() => {}}
+      onClick={() => {}}
+      onDoubleClick={() => {}}
+    >
+      <ClipPeakMarks peaksUrl={url} sourceWindow={{ mediaStart: 0, sourceSpan: 2 }} gain={volume}>
         <span>wave</span>
-      </ClipPeakMarks>,
-    );
-  });
+      </ClipPeakMarks>
+    </TimelineClip>
+  );
+  await act(async () => root.render(view(gain)));
   await act(async () => {});
   vi.unstubAllGlobals();
-  return host;
+  return { host, setGain: async (value: number) => act(async () => root.render(view(value))) };
 }
 
 describe("ClipPeakMarks", () => {
-  it("paints red marks and the peak on a clip that redlines", async () => {
-    const host = await render("/api/projects/p/peaks/loud.mp4", [0.2, 0.98], 1);
+  it("uses a plain warning and describes the focused clip with the numeric peak", async () => {
+    const { host } = await render("/api/projects/p/peaks/loud.mp4", [0.2, 0.98], 1);
     expect(host.textContent).toContain("wave");
     expect(host.querySelector("[data-testid=clip-peak-marks]")?.textContent).toContain(
-      "▲ peaks −0.2 dBFS",
+      "▲ Too loud",
     );
+    expect(host.querySelector("[data-peak-text]")?.textContent).not.toContain("dBFS");
+    const clip = host.querySelector("button")!;
+    await act(async () => clip.focus());
+    await vi.waitFor(() =>
+      expect(document.querySelector('[role="tooltip"]')?.textContent).toBe(
+        "Peaks −0.2 dBFS at this volume; export lowers the whole mix",
+      ),
+    );
+    expect(clip.getAttribute("aria-describedby")).toBe(
+      document.querySelector('[role="tooltip"]')?.id,
+    );
+    expect(host.querySelectorAll("button")).toHaveLength(1);
+  });
+
+  it("removes the focused warning when volume becomes quiet without replacing the clip", async () => {
+    const { host, setGain } = await render("/api/projects/p/peaks/changing.mp4", [1, 1], 1);
+    const clip = host.querySelector("button")!;
+    await act(async () => clip.focus());
+    await vi.waitFor(() => expect(document.querySelector('[role="tooltip"]')).not.toBeNull());
+    await setGain(0.25);
+    await vi.waitFor(() => expect(document.querySelector('[role="tooltip"]')).toBeNull());
+    expect(clip.getAttribute("aria-describedby")).toBeNull();
+    expect(document.activeElement).toBe(clip);
+    expect(host.querySelector("button")).toBe(clip);
+    expect(host.querySelector("[data-peak-badge]")).toBeNull();
   });
 
   it("paints nothing on a quiet clip", async () => {
-    const host = await render("/api/projects/p/peaks/quiet.mp4", [0.25, 0.25], 1);
+    const { host } = await render("/api/projects/p/peaks/quiet.mp4", [0.25, 0.25], 1);
     expect(host.querySelector("[data-testid=clip-peak-marks]")).toBeNull();
   });
 });

packages/studio/src/player/components/ClipPeakMarks.tsx

@@ -1,6 +1,7 @@
-import { useEffect, useState, type ReactNode } from "react";
+import { useContext, useEffect, useState, type ReactNode } from "react";
 import { clipPeakRuns, type ClipSourceWindow, type PeakMap } from "./clipPeakRuns";
 import { loadPeakMap } from "./clipPeakMap";
+import { ClipPeakDescriptionContext } from "./ClipPeakTooltip";
 
 const dbText = (db: number) => `${db < 0 ? "−" : "+"}${Math.abs(db).toFixed(1)} dBFS`;
 
@@ -30,15 +31,20 @@ export function ClipPeakMarks({
   const { runs, peakDbfs } = map
     ? clipPeakRuns(map, sourceWindow, gain)
     : { runs: [], peakDbfs: null };
+  const detail =
+    runs.length > 0 && peakDbfs !== null
+      ? `Peaks ${dbText(peakDbfs)} at this volume; export lowers the whole mix`
+      : null;
+  const setDetail = useContext(ClipPeakDescriptionContext);
+  useEffect(() => {
+    setDetail?.(detail);
+    return () => setDetail?.(null);
+  }, [detail, setDetail]);
   return (
-    <div className="relative h-full w-full">
+    <div className="relative isolate h-full w-full">
       {children}
-      {runs.length > 0 && peakDbfs !== null && (
-        <div
-          className="pointer-events-none absolute inset-0"
-          data-testid="clip-peak-marks"
-          title={`Peaks ${dbText(peakDbfs)} at this volume; export lowers the whole mix`}
-        >
+      {detail !== null && (
+        <div className="pointer-events-none absolute inset-0" data-testid="clip-peak-marks">
           {runs.map((run) => (
             <div
               key={run.from}
@@ -50,10 +56,10 @@ export function ClipPeakMarks({
             />
           ))}
           <span
-            className="absolute top-0 right-1 font-mono text-[9px] leading-none text-red-400"
+            className="pointer-events-auto absolute right-4 bottom-1 font-mono text-[9px] leading-none text-red-400"
             data-peak-badge
           >
-            ▲<span data-peak-text> peaks {dbText(peakDbfs)}</span>
+            ▲<span data-peak-text> Too loud</span>
           </span>
         </div>
       )}

packages/studio/src/player/components/ClipPeakTooltip.tsx

@@ -0,0 +1,21 @@
+import { cloneElement, createContext, useState, type ReactElement } from "react";
+import { Tooltip } from "../../components/ui/Tooltip";
+
+export const ClipPeakDescriptionContext = createContext<((detail: string | null) => void) | null>(
+  null,
+);
+
+export function ClipPeakTooltip({
+  children,
+}: {
+  children: ReactElement<{ title?: string; "aria-describedby"?: string }>;
+}) {
+  const [detail, setDetail] = useState<string | null>(null);
+  return (
+    <ClipPeakDescriptionContext.Provider value={setDetail}>
+      <Tooltip label={detail ?? ""} disabled={detail === null}>
+        {cloneElement(children, { title: detail === null ? children.props.title : undefined })}
+      </Tooltip>
+    </ClipPeakDescriptionContext.Provider>
+  );
+}

packages/studio/src/player/components/Timeline.test.ts

@@ -87,11 +87,8 @@ describe("timeline viewport geometry", () => {
   });
 });
 
-/** The track's content row: a clip's parent, past its `display: contents` wrapper. */
 function trackContentOf(clip: HTMLElement | null | undefined): HTMLElement | null {
-  let row = clip?.parentElement ?? null;
-  while (row?.style.display === "contents") row = row.parentElement;
-  return row;
+  return clip?.closest<HTMLElement>('[role="gridcell"]') ?? null;
 }
 
 function getHorizontalGeometry(host: HTMLElement, clipId: string, tickLabel: string) {

packages/studio/src/player/components/TimelineClip.tsx

@@ -16,6 +16,7 @@ import { ClipBadges } from "./ClipBadges";
 import { linkLabelColor } from "./linkLabelColor";
 import { OutOfSyncBadge } from "./OutOfSyncBadge";
 import { clipSpeedSuffix } from "./clipToolAttrs";
+import { ClipPeakTooltip } from "./ClipPeakTooltip";
 
 interface TimelineClipProps {
   el: TimelineElement;
@@ -128,7 +129,7 @@ export const TimelineClip = memo(function TimelineClip({
     ...passengerStyle,
   };
 
-  return (
+  const clip = (
     <button
       type="button"
       data-clip={isGestureActor ? undefined : "true"}
@@ -256,4 +257,5 @@ export const TimelineClip = memo(function TimelineClip({
       )}
     </button>
   );
+  return isAudioClip || el.hasAudio ? <ClipPeakTooltip>{clip}</ClipPeakTooltip> : clip;
 });

packages/studio/src/styles/components.css

@@ -314,14 +314,18 @@
   display: none;
 }
 
+[data-peak-badge] {
+  z-index: 20;
+}
+
 .audible-video-wave [data-peak-badge] {
   top: 50%;
+  bottom: auto;
   right: var(--timeline-clip-radius);
   translate: 0 -50%;
   padding: 1px 3px;
   border-radius: 3px;
   background: var(--timeline-clip-chip-audio-bg);
-  z-index: 20;
 }
 
 .timeline-clip.is-audio.is-hovered {