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[eric] apps: skip capturePage on a detaching/crashed/loading webview, stops the main-process quit on fast app-switching

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ciregenz
2026-06-10 01:16:29 -07:00
parent e8692159a3
commit 3c76d1eea7
1 changed files with 7 additions and 0 deletions
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frontend/src/app/pages/Views/ViewPreview.tsx
+7
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@@ -195,6 +195,13 @@ const ViewPreview = forwardRef<ViewPreviewHandle, Props>(({
const wv = webviewRef.current;
// Only the webview path is reliably snapshottable; iframe/dev or a hidden window (about:blank) returns null.
if (!useWebview || !wv || windowHidden || typeof wv.capturePage !== 'function') return null;
// Never snapshot a guest that's detaching, crashed, or mid-navigation: capturePage on a
// WebContents being torn down can segfault the main process (the whole-app quit on fast app-switching).
try {
if (wv.isConnected === false) return null;
if (typeof wv.isCrashed === 'function' && wv.isCrashed()) return null;
if (typeof wv.isLoading === 'function' && wv.isLoading()) return null;
} catch { return null; }
try {
const img = await wv.capturePage();
if (!img) return null;