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cinny/src/app/hooks/useTauriFocusAssist.ts
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import { useSetAtom } from 'jotai';
import { focusAssistActiveAtom } from '../state/focusAssist';
import { useTauriEvent } from './useTauri';
/** Detail shape of the `focus-assist-changed` event emitted by the native side. */
type FocusAssistChangedDetail = {
active: boolean;
};
/**
* P5-56 — Windows Focus Assist ↔ Do-Not-Disturb sync (desktop). Subscribes to
* the native `focus-assist-changed` event (Windows `SHQueryUserNotificationState`
* poll, `{ active }`) and mirrors it into `focusAssistActiveAtom`, which the
* notification gate reads to suppress notifications while the shell is in Focus
* Assist / Quiet Hours, presenting, gaming full-screen, or busy. Inert in the
* browser, since `useTauriEvent` only listens under Tauri.
*/
export function useTauriFocusAssist(): void {
const setFocusAssist = useSetAtom(focusAssistActiveAtom);
useTauriEvent<FocusAssistChangedDetail>('focus-assist-changed', ({ active }) =>
setFocusAssist(active),
);
}