refactor(studio): split oversized files to pass 600-line check (#1313)

2026-09-11 06:30:03 +00:00 · 2026-06-09 19:53:14 -04:00
parent d13ae13670
commit 81416ab3c9
17 changed files with 1380 additions and 1055 deletions
@@ -0,0 +1,153 @@
+/**
+ * Manages gesture recording state and commit logic for the Studio.
+ * Extracted from App.tsx to keep file sizes under the 600-line limit.
+ */
+import { useState, useCallback, useRef, useEffect } from "react";
+import { useGestureRecording } from "./useGestureRecording";
+import { simplifyGestureSamples } from "../utils/rdpSimplify";
+import { usePlayerStore } from "../player";
+import type { DomEditSelection } from "../components/editor/domEditing";
+
+// Minimal subset of the session used by gesture commit
+interface GestureSessionRef {
+  domEditSelection: DomEditSelection | null;
+  commitMutation?: (
+    mutation: Record<string, unknown>,
+    options: { label: string; softReload?: boolean },
+  ) => Promise<void>;
+}
+
+interface UseGestureCommitParams {
+  domEditSessionRef: React.MutableRefObject<GestureSessionRef>;
+  previewIframeRef: React.RefObject<HTMLIFrameElement | null>;
+  showToast: (message: string, tone?: "error" | "info") => void;
+  isGestureRecordingRef: React.MutableRefObject<boolean>;
+}
+
+export interface UseGestureCommitResult {
+  gestureState: "idle" | "recording";
+  gestureRecording: ReturnType<typeof useGestureRecording>;
+  handleToggleRecording: () => void;
+}
+
+// fallow-ignore-next-line complexity
+export function useGestureCommit({
+  domEditSessionRef,
+  previewIframeRef,
+  showToast,
+  isGestureRecordingRef,
+}: UseGestureCommitParams): UseGestureCommitResult {
+  const gestureRecording = useGestureRecording();
+  const [gestureState, setGestureState] = useState<"idle" | "recording">("idle");
+  const gestureStateRef = useRef<"idle" | "recording">("idle");
+  const recordingAutoStopRef = useRef<ReturnType<typeof setInterval>>(undefined);
+  const recordingStartTimeRef = useRef(0);
+  const commitInFlightRef = useRef(false);
+
+  // Unmount: clear auto-stop interval
+  useEffect(() => () => clearInterval(recordingAutoStopRef.current), []);
+
+  // fallow-ignore-next-line complexity
+  const stopAndCommitRecording = useCallback(async () => {
+    clearInterval(recordingAutoStopRef.current);
+    if (commitInFlightRef.current) return;
+    commitInFlightRef.current = true;
+    gestureStateRef.current = "idle";
+    isGestureRecordingRef.current = false;
+    const frozenSamples = gestureRecording.stopRecording();
+    const store = usePlayerStore.getState();
+    store.setIsPlaying(false);
+    try {
+      const liveSession = domEditSessionRef.current;
+      const sel = liveSession.domEditSelection;
+      if (!sel) {
+        if (frozenSamples.length > 2) {
+          showToast("Selection lost during recording", "error");
+        }
+        return;
+      }
+      const duration = frozenSamples.length > 0 ? frozenSamples[frozenSamples.length - 1]!.time : 0;
+
+      if (frozenSamples.length <= 2) {
+        showToast("No gesture detected — move the pointer while recording", "error");
+        return;
+      }
+      if (duration <= 0) {
+        showToast("Recording too short — try again", "error");
+        return;
+      }
+
+      const simplified = simplifyGestureSamples(frozenSamples, duration, 5);
+      const sortedPcts = Array.from(simplified.keys()).sort((a, b) => a - b);
+
+      const selector = sel.id ? `#${sel.id}` : sel.selector;
+      if (!selector) {
+        showToast("Cannot save — element has no selector", "error");
+        return;
+      }
+      if (liveSession.commitMutation) {
+        const recStart = recordingStartTimeRef.current;
+        const keyframes = sortedPcts.map((pct) => ({
+          percentage: pct,
+          properties: simplified.get(pct) as Record<string, number | string>,
+        }));
+
+        await liveSession.commitMutation(
+          {
+            type: "add-with-keyframes",
+            targetSelector: selector,
+            position: Math.round(recStart * 1000) / 1000,
+            duration: Math.round(duration * 1000) / 1000,
+            keyframes,
+          },
+          { label: "Gesture recording", softReload: true },
+        );
+      }
+      showToast(`Recorded ${sortedPcts.length} keyframes`, "info");
+    } finally {
+      store.requestSeek(recordingStartTimeRef.current);
+      gestureRecording.clearSamples();
+      setGestureState("idle");
+      commitInFlightRef.current = false;
+    }
+  }, [gestureRecording, showToast, isGestureRecordingRef, domEditSessionRef]);
+
+  const handleToggleRecording = useCallback(() => {
+    if (gestureStateRef.current === "recording") {
+      void stopAndCommitRecording();
+      return;
+    }
+    const sel = domEditSessionRef.current.domEditSelection;
+    if (!sel) {
+      showToast("Select an element first", "error");
+      return;
+    }
+    const iframe = previewIframeRef.current;
+    if (!iframe) {
+      showToast("Preview not ready — try again", "error");
+      return;
+    }
+
+    const store = usePlayerStore.getState();
+    recordingStartTimeRef.current = store.currentTime;
+    const elStart = Number.parseFloat(sel.dataAttributes?.start ?? "0") || 0;
+    const elDur = Number.parseFloat(sel.dataAttributes?.duration ?? "0") || 0;
+    const elementEnd = elDur > 0 ? elStart + elDur : undefined;
+    gestureRecording.startRecording(sel.element, iframe, elementEnd);
+    gestureStateRef.current = "recording";
+    isGestureRecordingRef.current = true;
+    setGestureState("recording");
+
+    clearInterval(recordingAutoStopRef.current);
+    const autoStopAt = elementEnd ?? Infinity;
+    recordingAutoStopRef.current = setInterval(() => {
+      const { currentTime: t, duration: d } = usePlayerStore.getState();
+      const limit = Math.min(autoStopAt, d);
+      if (limit > 0 && t >= limit - 0.05) {
+        void stopAndCommitRecording();
+      }
+    }, 100);
+  }, [gestureRecording, showToast, stopAndCommitRecording, previewIframeRef, domEditSessionRef, isGestureRecordingRef]);
+
+  return { gestureState, gestureRecording, handleToggleRecording };
+}