powerMonitor
Monitor power state changes.
Prozess: Haupt
Ereignisse
Das powerMonitor Modul sendet folgende Ereignisse aus:
Event: 'suspend'
Emitted when the system is suspending.
Event: 'resume'
Emitted when system is resuming.
Event: 'on-ac' macOS Windows
Emitted when the system changes to AC power.
Event: 'on-battery' macOS Windows
Emitted when system changes to battery power.
Event: 'shutdown' Linux macOS
Emitted when the system is about to reboot or shut down. If the event handler invokes e.preventDefault(), Electron will attempt to delay system shutdown in order for the app to exit cleanly. If e.preventDefault() is called, the app should exit as soon as possible by calling something like app.quit().
Event: 'lock-screen' macOS Windows
Emitted when the system is about to lock the screen.
Event: 'unlock-screen' macOS Windows
Emitted as soon as the systems screen is unlocked.
Event: 'user-did-become-active' macOS
Emitted when a login session is activated. See documentation for more information.
Event: 'user-did-resign-active' macOS
Emitted when a login session is deactivated. See documentation for more information.
Methoden
Das Modul powerMonitor verfügt über die folgenden Methoden:
powerMonitor.getSystemIdleState(idleThreshold)
idleThresholdInteger
Returns string - The system's current state. Can be active, idle, locked or unknown.
Calculate the system idle state. idleThreshold is the amount of time (in seconds) before considered idle. locked is available on supported systems only.
powerMonitor.getSystemIdleTime()
Returns Integer - Idle time in seconds
Calculate system idle time in seconds.
powerMonitor.isOnBatteryPower()
Returns boolean - Whether the system is on battery power.
To monitor for changes in this property, use the on-battery and on-ac events.
Eigenschaften
powerMonitor.onBatteryPower
A boolean property. True if the system is on battery power.