powerSaveBlocker
Verhindere, dass das System in den Stromspar-/Schlafmodus geht.
Prozess: Haupt
Ein Beispiel:
const { powerSaveBlocker } = require('electron')
const id = powerSaveBlocker.start('prevent-display-sleep')
console.log(powerSaveBlocker.isStarted(id))
powerSaveBlocker.stop(id)
Methoden
Das powerSaveBlocker
-Modul hat folgende Methoden:
powerSaveBlocker.start(type)
type
string - Power save blocker type.prevent-app-suspension
- Prevent the application from being suspended. Keeps system active but allows screen to be turned off. Example use cases: downloading a file or playing audio.prevent-display-sleep
- Prevent the display from going to sleep. Keeps system and screen active. Example use case: playing video.
Gibt Integer
zurück - Die Blocker-ID, die diesem Power-Blocker zugeordnet ist.
Starts preventing the system from entering lower-power mode. Returns an integer identifying the power save blocker.
Note: prevent-display-sleep
has higher precedence over prevent-app-suspension
. Only the highest precedence type takes effect. In other words, prevent-display-sleep
always takes precedence over prevent-app-suspension
.
For example, an API calling A requests for prevent-app-suspension
, and another calling B requests for prevent-display-sleep
. prevent-display-sleep
will be used until B stops its request. After that, prevent-app-suspension
is used.
powerSaveBlocker.stop(id)
id
Integer - The power save blocker id returned bypowerSaveBlocker.start
.
Stops the specified power save blocker.
powerSaveBlocker.isStarted(id)
id
Integer - The power save blocker id returned bypowerSaveBlocker.start
.
Returns boolean
- Whether the corresponding powerSaveBlocker
has started.