35 lines
793 B
JavaScript
35 lines
793 B
JavaScript
module.exports = {
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enable,
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disable
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}
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const electron = require('electron')
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const log = require('./log')
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let blockId = 0
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/**
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* Block the system from entering low-power (sleep) mode or turning off the
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* display.
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*/
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function enable () {
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if (electron.powerSaveBlocker.isStarted(blockId)) {
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// If a power saver block already exists, do nothing.
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return
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}
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blockId = electron.powerSaveBlocker.start('prevent-display-sleep')
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log(`powerSaveBlocker.enable: ${blockId}`)
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}
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/**
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* Stop blocking the system from entering low-power mode.
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*/
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function disable () {
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if (!electron.powerSaveBlocker.isStarted(blockId)) {
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// If a power saver block does not exist, do nothing.
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return
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}
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electron.powerSaveBlocker.stop(blockId)
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log(`powerSaveBlocker.disable: ${blockId}`)
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}
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