private async Task StrokesWriterThread(CancellationToken cancellationToken)
{
while (true)
{
if (cancellationToken.IsCancellationRequested)
{
Logger.Info("The strokes writer thread was cancelled.");
return;
}
Thread.Sleep(IsOffline ? Constants.OfflineRefreshRate : Constants.OnlineRefreshRate);
if (StrokesToUpdate.Count == 0)
{
continue;
}
StrokeModelsMap strokesSnapshot;
lock (StrokesLock)
{
strokesSnapshot = new StrokeModelsMap(StrokesToUpdate);
StrokesToUpdate.Clear();
}
if (IsOffline)
{
Cache.Write(DatabasePaths.Strokes, DrawingId, StrokesMap);
}
else
{
await DatabaseService.Ref(DatabasePaths.Strokes).Child(DrawingId).Update(strokesSnapshot);
}
}
}
private void SyncRemoteStrokesToLocal(StrokeModelsMap strokes)
{
StrokesMap = strokes;
PurgeOverrideMap();
StrokesUpdated?.Invoke();
}
