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Embedding Gecko API

nsIObserver

This interface is implemented by an object that wants to observe an event corresponding to a topic. It is scriptable.

See also: nsIObserverService.

Methods
observe

Called when there is a notification for the topic aTopic. The object implementing this interface must have been registered with an observer service such as the nsIObserverService. If you expect multiple topics/subjects, your implementation is responsible for filtering. You should not modify, add, remove, or enumerate notifications in the implemention of observe.

Syntax: 

void nsIObserver::observe(in nsISupports aSubject,
	in string aTopic,in wstring aData)

Parameters:

aSubject: Notification specific interface pointer.
aTopic: The notification topic or subject.
aData: Notification specific wide string, depending on the subject event.

nsresult:

NS_OK if successful.
Written by:Ellen Evans | Comments, questions, complaints? Bug 143387
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