SimpleCloudNotifier/flutter/lib/state/app_events.dart

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import 'package:simplecloudnotifier/models/scn_message.dart';
import 'package:simplecloudnotifier/state/application_log.dart';
class AppEvents {
static AppEvents? _singleton = AppEvents._internal();
factory AppEvents() {
return _singleton ?? (_singleton = AppEvents._internal());
}
AppEvents._internal() {}
List<void Function(String)> _searchListeners = [];
List<void Function(SCNMessage)> _messageReceivedListeners = [];
void subscribeSearchListener(void Function(String) listener) {
_searchListeners.add(listener);
}
void unsubscribeSearchListener(void Function(String) listener) {
_searchListeners.remove(listener);
}
void notifySearchListeners(String query) {
ApplicationLog.debug('[AppEvents] onSearch: $query');
for (var listener in _searchListeners) {
listener(query);
}
}
void subscribeMessageReceivedListener(void Function(SCNMessage) listener) {
_messageReceivedListeners.add(listener);
}
void unsubscribeMessageReceivedListener(void Function(SCNMessage) listener) {
_messageReceivedListeners.remove(listener);
}
void notifyMessageReceivedListeners(SCNMessage msg) {
ApplicationLog.debug('[AppEvents] onMessageReceived: ${msg.messageID}');
for (var listener in _messageReceivedListeners) {
listener(msg);
}
}
}