BrowserSetting.onChanged event is fired when the setting is changed.
BrowserSetting.onChanged.addListener(listener) BrowserSetting.onChanged.removeListener(listener) BrowserSetting.onChanged.hasListener(listener)
Events have three functions:
- Adds a listener to this event.
- Stop listening to this event. The
listenerargument is the listener to remove.
- Check whether
listeneris registered for this event. Returns
trueif it is listening,
A callback function that will be called when this event occurs. The function will be passed the following arguments:
objectcontaining details of the change that occurred. Its properties are as follows:
- The new value of the setting. The type of this property is determined by the particular setting.
string. This represents the way the setting is currently controlled. You can use it to check whether you can modify the setting. See
BrowserSetting.set()for details. Its value may be any of the following:
Add-ons are not allowed to modify this setting.
Another add-on that was installed after this one has modified this setting.
This add-on is allowed to modify the setting.
This add-on has already modified the setting.
This API is based on Chromium's
Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.
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