docs » hs.battery.watcher

Watch for battery/power state changes

This module is based primarily on code from the previous incarnation of Mjolnir by Steven Degutis.

API Overview

API Documentation

Constructors

new
Signature hs.battery.watcher.new(fn) -> watcher
Type Constructor
Description

Creates a battery watcher
Parameters
  • A function that will be called when the battery state changes. The function should accept no arguments.
Returns
  • An hs.battery.watcher object
Notes
  • Because the callback function accepts no arguments, tracking of state of changing battery attributes is the responsibility of the user (see https://github.com/Hammerspoon/hammerspoon/issues/166 for discussion)
Source extensions/battery/libbattery_watcher.m line 44

Methods

start
Signature hs.battery.watcher:start() -> self
Type Method
Description

Starts the battery watcher
Parameters
  • None
Returns
  • The hs.battery.watcher object
Source extensions/battery/libbattery_watcher.m line 75
stop
Signature hs.battery.watcher:stop() -> self
Type Method
Description

Stops the battery watcher
Parameters
  • None
Returns
  • The hs.battery.watcher object
Source extensions/battery/libbattery_watcher.m line 97