fix: 修复桌面 DOCX 媒体捕获超时

apps/web/src/hidden-window-animation-frame.ts

@@ -0,0 +1,16 @@
+export async function withHiddenWindowAnimationFrames<T>(
+  windowRef: Window,
+  operation: () => Promise<T>
+) {
+  const requestAnimationFrame = windowRef.requestAnimationFrame;
+  windowRef.requestAnimationFrame = (callback) =>
+    windowRef.setTimeout(
+      () => callback(windowRef.performance.now()),
+      0
+    );
+  try {
+    return await operation();
+  } finally {
+    windowRef.requestAnimationFrame = requestAnimationFrame;
+  }
+}

apps/web/src/paged-preview-frame.ts

@@ -15,6 +15,7 @@ import {
   beginPreviewFrameRender,
   completePreviewFrameRender
 } from "./preview-frame-visibility";
+import { withHiddenWindowAnimationFrames } from "./hidden-window-animation-frame";
 
 function getPreviewRoot() {
   const element = document.querySelector<HTMLElement>("#preview-root");
@@ -139,22 +140,24 @@ window.__mdToPdfRender = async (
   return result;
 };
 window.__mdToPdfRenderDocxMedia = (payload, dimensions) =>
-  renderDocxMediaCapturePlan(
-    runtime,
-    previewRoot,
-    payload,
-    dimensions
+  withHiddenWindowAnimationFrames(window, () =>
+    renderDocxMediaCapturePlan(
+      runtime,
+      previewRoot,
+      payload,
+      dimensions
+    )
   );
 document.documentElement.dataset.runtimeReady = "true";
 
 const desktopPdfBridge = window.__mdToPdfDesktopPdf;
 if (desktopPdfBridge) {
   desktopPdfBridge.onRender(async (requestId, payload) => {
-    const requestAnimationFrame = window.requestAnimationFrame;
-    window.requestAnimationFrame = (callback) =>
-      window.setTimeout(() => callback(performance.now()), 0);
     try {
-      const result = await window.__mdToPdfRender?.(payload, "pdf");
+      const result = await withHiddenWindowAnimationFrames(
+        window,
+        async () => window.__mdToPdfRender?.(payload, "pdf")
+      );
       if (!result) {
         throw new Error("PDF 分页运行时不可用");
       }
@@ -164,8 +167,6 @@ if (desktopPdfBridge) {
         requestId,
         reason instanceof Error ? reason.message : "PDF 分页失败"
       );
-    } finally {
-      window.requestAnimationFrame = requestAnimationFrame;
     }
   });
   desktopPdfBridge.ready();