/**
* Called to notifiy listeners of an API change.
*
* <p>Must only be called from SyncthingService or {@link RestApi} on the main thread.
*/
private void onApiChange() {
for (Iterator<OnApiChangeListener> i = mOnApiChangeListeners.iterator(); i.hasNext(); ) {
OnApiChangeListener listener = i.next();
if (listener != null) {
listener.onApiChange(mCurrentState);
} else {
i.remove();
}
}
}
/**
* Register a listener for the syncthing API state changing.
*
* <p>The listener is called immediately with the current state, and again whenever the state
* changes.
*/
public void registerOnApiChangeListener(OnApiChangeListener listener) {
listener.onApiChange((mApi != null) ? mApi.isApiAvailable() : false);
mOnApiAvailableListeners.add(new WeakReference<OnApiChangeListener>(listener));
}
/**
* Register a listener for the syncthing API state changing.
*
* <p>The listener is called immediately with the current state, and again whenever the state
* changes. The call is always from the GUI thread.
*
* @see #unregisterOnApiChangeListener
*/
public void registerOnApiChangeListener(OnApiChangeListener listener) {
// Make sure we don't send an invalid state or syncthing might show a "disabled" message
// when it's just starting up.
listener.onApiChange(mCurrentState);
mOnApiChangeListeners.add(listener);
}