24 lines
606 B
TypeScript
24 lines
606 B
TypeScript
// Copyright 2022 Signal Messenger, LLC
|
|
// SPDX-License-Identifier: AGPL-3.0-only
|
|
|
|
import { useEffect, useState } from 'react';
|
|
|
|
export function useIsWindowActive(): boolean {
|
|
const { activeWindowService } = window.SignalContext;
|
|
const [isActive, setIsActive] = useState(activeWindowService.isActive());
|
|
|
|
useEffect(() => {
|
|
const update = (newIsActive: boolean): void => {
|
|
setIsActive(newIsActive);
|
|
};
|
|
|
|
activeWindowService.registerForChange(update);
|
|
|
|
return () => {
|
|
activeWindowService.unregisterForChange(update);
|
|
};
|
|
}, [activeWindowService]);
|
|
|
|
return isActive;
|
|
}
|