43 lines
1.7 KiB
JavaScript
43 lines
1.7 KiB
JavaScript
'use strict';
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const { EventEmitter } = require('events');
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const { powerMonitor, PowerMonitor } = process.electronBinding('power_monitor');
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const { deprecate } = require('electron');
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// PowerMonitor is an EventEmitter.
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Object.setPrototypeOf(PowerMonitor.prototype, EventEmitter.prototype);
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EventEmitter.call(powerMonitor);
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// On Linux we need to call blockShutdown() to subscribe to shutdown event.
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if (process.platform === 'linux') {
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powerMonitor.on('newListener', (event) => {
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if (event === 'shutdown' && powerMonitor.listenerCount('shutdown') === 0) {
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powerMonitor.blockShutdown();
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}
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});
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powerMonitor.on('removeListener', (event) => {
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if (event === 'shutdown' && powerMonitor.listenerCount('shutdown') === 0) {
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powerMonitor.unblockShutdown();
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}
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});
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}
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// TODO(nitsakh): Remove in 7.0
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powerMonitor.querySystemIdleState = function (threshold, callback) {
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deprecate.warn('powerMonitor.querySystemIdleState', 'powerMonitor.getSystemIdleState');
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if (typeof threshold !== 'number') {
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throw new Error('Must pass threshold as a number');
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}
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if (typeof callback !== 'function') {
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throw new Error('Must pass callback as a function argument');
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}
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const idleState = this.getSystemIdleState(threshold);
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process.nextTick(() => callback(idleState));
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};
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// TODO(nitsakh): Remove in 7.0
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powerMonitor.querySystemIdleTime = function (callback) {
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deprecate.warn('powerMonitor.querySystemIdleTime', 'powerMonitor.getSystemIdleTime');
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if (typeof callback !== 'function') {
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throw new Error('Must pass function as an argument');
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}
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const idleTime = this.getSystemIdleTime();
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process.nextTick(() => callback(idleTime));
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};
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module.exports = powerMonitor;
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