MozPowerManager.getWakeLockState()

This API is available on Firefox OS for internal applications only.

The MozPowerManager.getWakeLockState() method is used to retrieve the current lock state of a given resource.

Syntax

JavaScript
MozPowerManager.getWakeLockState(resourceName);

Parameters

resourceName
A string that represent the name of the resource to check.

Return value

This method will return a string that represents the current lock state for the resource. Possible values for this state are:

unlocked
Nobody holds the wake lock.
locked-foreground
At least one window holds the wake lock and is visible.
locked-background
At least one window holds the wake lock, but all of them are hidden.

Example

JavaScript
var state = navigator.mozPower.getWakeLockState('screen')

console.log('screen: ' + state);

Specifications

Not part of any specification.

See also

License

© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-us/docs/web/api/powermanager/getwakelockstate

API B2G Firefox OS Method Power Management Reference Référence