idle

Find out when the user's system is idle, locked, or active.

To use this API you need to have the "idle" permission.

Types

idle.IdleState

String describing the device's idle state.

Functions

idle.queryState()
Returns "locked" if the system is locked, "idle" if the user has not generated any input for a specified number of seconds, or "active" otherwise.
idle.setDetectionInterval()
Sets the interval used to determine when the system is in an idle state for idle.onStateChanged events.

Events

idle.onStateChanged
Fired when the system changes state.

Browser compatibility

EdgeFirefoxChromeOpera
IdleState?45.0Yes33
onStateChanged?NoYes33
queryState?45.0Yes33
setDetectionInterval?NoYes33
Firefox
IdleStateNo
onStateChangedNo
queryState48.0
setDetectionIntervalNo

Chrome incompatibilities

  • Firefox does not support:
    • onStateChanged
    • setDetectionInterval()

Acknowledgements

This API is based on Chromium's chrome.idle API. This documentation is derived from idle.json in the Chromium code.

Document Tags and Contributors

 Contributors to this page: wbamberg
 Last updated by: wbamberg,