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30 lines
950 B
TypeScript
30 lines
950 B
TypeScript
import { ipcRenderer } from 'electron';
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import { useEffect } from 'react';
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import { useDispatch, useSelector } from 'react-redux';
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import { setIsAppFocused } from '../state/ducks/section';
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import { getIsAppFocused } from '../state/selectors/section';
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/**
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* This custom hook should be called on the top of the app only once.
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* It sets up a listener for events from main_node.ts and update the global redux state with the focused state.
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*/
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export function useAppIsFocused() {
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const dispatch = useDispatch();
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const isFocusedFromStore = useSelector(getIsAppFocused);
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const ipcCallback = (_event: unknown, isFocused: unknown) => {
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if (isFocusedFromStore !== isFocused) {
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dispatch(setIsAppFocused(Boolean(isFocused)));
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}
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};
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useEffect(() => {
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ipcRenderer.on('set-window-focus', ipcCallback);
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return () => {
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ipcRenderer.removeListener('set-window-focus', ipcCallback);
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};
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});
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return isFocusedFromStore;
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}
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