25 lines
768 B
JavaScript
25 lines
768 B
JavaScript
'use strict'
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const { EventEmitter } = require('events')
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const { powerMonitor, PowerMonitor } = process.atomBinding('power_monitor')
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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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module.exports = powerMonitor
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