Compare to:
mozIProgressHandler is to be implemented by storage consumers that wish to receive callbacks during the request execution.
[scriptable, uuid(a3a6fcd4-bf89-4208-a837-bf2a73afd30c)]
interface mozIStorageProgressHandler : nsISupports
Methods
onProgress is invoked periodically during long running calls.
@param aConnection connection, for which progress handler is
invoked.
@return true to abort request, false to continue work.
boolean
onProgress(in mozIStorageConnection aConnection)