void Geolocation::handleError(PositionError& error)
{
auto oneShotsCopy = copyToVector(m_oneShots);
GeoNotifierVector watchersCopy;
m_watchers.getNotifiersVector(watchersCopy);
// Clear the lists before we make the callbacks, to avoid clearing notifiers
// added by calls to Geolocation methods from the callbacks, and to prevent
// further callbacks to these notifiers.
GeoNotifierVector oneShotsWithCachedPosition;
m_oneShots.clear();
if (error.isFatal())
m_watchers.clear();
else {
// Don't send non-fatal errors to notifiers due to receive a cached position.
extractNotifiersWithCachedPosition(oneShotsCopy, &oneShotsWithCachedPosition);
extractNotifiersWithCachedPosition(watchersCopy, 0);
}
sendError(oneShotsCopy, error);
sendError(watchersCopy, error);
// hasListeners() doesn't distinguish between notifiers due to receive a
// cached position and those requiring a fresh position. Perform the check
// before restoring the notifiers below.
if (!hasListeners())
stopUpdating();
// Maintain a reference to the cached notifiers until their timer fires.
copyToSet(oneShotsWithCachedPosition, m_oneShots);
}
