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41 changes: 32 additions & 9 deletions src/utils/hooks/useAutoRefreshInterval.ts
Original file line number Diff line number Diff line change
Expand Up @@ -4,26 +4,49 @@ import {AUTO_REFRESH_INTERVAL} from '../constants';

import {useSetting} from './useSetting';

const IMMEDIATE_UPDATE_INTERVAL = 1;
const DISABLED_INTERVAL = 0;

export function useAutoRefreshInterval(): [number, (value: number) => void] {
const [settingValue, setSettingValue] = useSetting(AUTO_REFRESH_INTERVAL, 0);
const [settingValue, setSettingValue] = useSetting(AUTO_REFRESH_INTERVAL, DISABLED_INTERVAL);
const [effectiveInterval, setEffectiveInterval] = React.useState(
document.visibilityState === 'visible' ? settingValue : 0,
document.visibilityState === 'visible' ? settingValue : DISABLED_INTERVAL,
);

const lastHiddenTimeRef = React.useRef<number | null>(null);

React.useEffect(() => {
// Update the effective interval when the setting changes
setEffectiveInterval(document.visibilityState === 'visible' ? settingValue : 0);

// Handle visibility change events
const handleVisibilityChange = () => {
setEffectiveInterval(document.visibilityState === 'visible' ? settingValue : 0);
const isVisible = document.visibilityState === 'visible';
if (isVisible) {
// If more than settingValue milliseconds have passed since the page was hidden,
// trigger an immediate update
const shouldTriggerImmediate =
lastHiddenTimeRef.current &&
settingValue !== DISABLED_INTERVAL &&
Date.now() - lastHiddenTimeRef.current >= settingValue;

if (shouldTriggerImmediate) {
setEffectiveInterval(IMMEDIATE_UPDATE_INTERVAL);

setTimeout(() => {
setEffectiveInterval(settingValue);
}, 0);
} else {
setEffectiveInterval(settingValue);
}

lastHiddenTimeRef.current = null;
} else {
lastHiddenTimeRef.current = Date.now();
setEffectiveInterval(DISABLED_INTERVAL);
}
};

document.addEventListener('visibilitychange', handleVisibilityChange);

return () => {
document.removeEventListener('visibilitychange', handleVisibilityChange);
};
return () => document.removeEventListener('visibilitychange', handleVisibilityChange);
}, [settingValue]);

return [effectiveInterval, setSettingValue];
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