signal-desktop/ts/main/powerChannel.ts
2022-01-24 12:32:09 -08:00

29 lines
725 B
TypeScript

// Copyright 2021 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { powerMonitor } from 'electron';
export type InitializeOptions = {
send(event: string): void;
};
export class PowerChannel {
private static isInitialized = false;
static initialize({ send }: InitializeOptions): void {
if (PowerChannel.isInitialized) {
throw new Error('PowerChannel already initialized');
}
PowerChannel.isInitialized = true;
powerMonitor.on('suspend', () => {
send('power-channel:suspend');
});
powerMonitor.on('resume', () => {
send('power-channel:resume');
});
powerMonitor.on('lock-screen', () => {
send('power-channel:lock-screen');
});
}
}