public void Index()
{
lock (this) {
DisposeModels();
foreach (Source source in ServiceManager.SourceManager.Sources)
{
LibrarySource library = source as LibrarySource;
if (library != null && library.Indexable)
{
model_caches.Add(CachedList <DatabaseTrackInfo> .CreateFromSourceModel(
(DatabaseTrackListModel)library.TrackModel));
}
}
}
OnIndexingFinished();
}
public override void GetChunks(int chunk_size)
{
CachedList <DatabaseTrackInfo> list;
DatabaseTrackListModel track_model = null;
// mark as critical region to prevent consecutive calls from mucking things up
lock (payload_lock) {
long timestamp;
lock (timestamp_lock) {
if (UseBuffer)
{
buffer = new Dictionary <int, IDictionary <string, object> []> ();
}
timestamp = DateTime.Now.Ticks;
CurrentTimestamp = timestamp;
}
switch ((LibraryType)Id)
{
case LibraryType.Music:
track_model = (DatabaseTrackListModel)ServiceManager.SourceManager.MusicLibrary.TrackModel;
break;
case LibraryType.Video:
track_model = (DatabaseTrackListModel)ServiceManager.SourceManager.VideoLibrary.TrackModel;
break;
}
if (track_model == null)
{
IDictionary <string, object> [] empty = {}; // d-bus no like nulls
OnChunkReady(ObjectPath, empty, timestamp, 1, 0);
return;
}
chunk_size = chunk_size < 1 ? 100 : chunk_size; // default chunk_size
list = CachedList <DatabaseTrackInfo> .CreateFromSourceModel(track_model);
int total = track_model.UnfilteredCount;
// deliver data asynchronously via signal in chunks of chunk_size
// this should make things look like they are happening quickly over our tube
int sequence_num = 1;
for (int i = 0; i < total; i += chunk_size)
{
int dict_size = (total - i) < chunk_size ? (total - i) : chunk_size;
IDictionary <string, object> [] dict = new Dictionary <string, object> [dict_size];
for (int j = 0; j < dict.Length; j++)
{
int index = j + i;
dict[j] = list[index].GenerateExportable();
dict[j].Add("TrackId", list[index].TrackId);
}
if (UseBuffer)
{
buffer.Add(sequence_num, dict);
}
//System.Threading.Thread.Sleep (2500); // FIXME simulate slowness
OnChunkReady(ObjectPath, dict, timestamp, sequence_num++, total);
}
list.Dispose();
}
}