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
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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
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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