2018-03-21 19:17:32 +00:00
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const desktopIdle = require('desktop-idle');
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const EventEmitter = require('events');
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2018-03-21 19:21:38 +00:00
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const POLL_INTERVAL = 10; // seconds
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const IDLE_THRESHOLD = POLL_INTERVAL;
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2018-03-21 19:17:32 +00:00
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2018-03-21 19:21:38 +00:00
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class IdleDetector extends EventEmitter {
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2018-03-21 19:17:32 +00:00
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constructor() {
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super();
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this.intervalId = null;
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}
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start() {
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this.stop();
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this.intervalId = setInterval(() => {
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2018-03-21 19:21:38 +00:00
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const idleDurationInSeconds = desktopIdle.getIdleTime();
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const isIdle = idleDurationInSeconds >= IDLE_THRESHOLD;
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2018-03-21 19:17:32 +00:00
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if (!isIdle) {
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return;
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}
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2018-03-21 19:21:38 +00:00
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this.emit('idle', { idleDurationInSeconds });
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2018-03-21 19:17:32 +00:00
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2018-03-21 19:21:38 +00:00
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}, POLL_INTERVAL * 1000);
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2018-03-21 19:17:32 +00:00
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}
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stop() {
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if (!this.intervalId) {
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return;
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}
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clearInterval(this.intervalId);
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}
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}
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module.exports = {
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2018-03-21 19:21:38 +00:00
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IdleDetector,
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2018-03-21 19:17:32 +00:00
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};
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