public static Playlist LoadTracksFromIsolatedStorage(bool allowCached = false)
{
Logger.Instance.Info("PlaylistManager.LoadTracksFromIsolatedStorage, allowCached = {0}", allowCached);
lock (PlaylistManager._lockObj)
{
try
{
if (allowCached && PlaylistManager._playlistCached != null)
{
Logger.Instance.Info("PlaylistManager.LoadTracksFromIsolatedStorage: returning data from 1st level cache");
return(PlaylistManager._playlistCached);
}
Logger.Instance.Info("PlaylistManager.LoadTracksFromIsolatedStorage: _playlistCached is not null? = {0}" + (PlaylistManager._playlistCached != null).ToString());
if (PlaylistManager._playlistCached != null)
{
Logger.Instance.Info("PlaylistManager.LoadTracksFromIsolatedStorage: _playlistCached.Metadata.LastUpdated = {0}", PlaylistManager._playlistCached.Metadata.LastUpdated);
DateTime lastChangedDate = PlaylistManager.GetLastChangedDate(PlaylistManager.PlaylistMetadataFileName);
Logger.Instance.Info("PlaylistManager.LoadTracksFromIsolatedStorage: Storemetadata.LastUpdated = {0}", lastChangedDate);
if (PlaylistManager._playlistCached.Metadata.LastUpdated == lastChangedDate)
{
Logger.Instance.Info("PlaylistManager.LoadTracksFromIsolatedStorage: returning data from 2nd level cache");
return(PlaylistManager._playlistCached);
}
}
using (IsolatedStorageFile storeForApplication = IsolatedStorageFile.GetUserStoreForApplication())
{
try
{
PlaylistManager.playlistAccessMutex.WaitOne();
if (!storeForApplication.FileExists(PlaylistManager.PlaylistFileName))
{
return(new Playlist());
}
IsolatedStorageFileStream storageFileStream = storeForApplication.OpenFile(PlaylistManager.PlaylistFileName, FileMode.Open, FileAccess.Read);
if (storageFileStream == null)
{
return(new Playlist());
}
using (BinaryReader reader = new BinaryReader((Stream)storageFileStream))
return(PlaylistManager._playlistCached = reader.ReadGeneric <Playlist>());
}
finally
{
PlaylistManager.playlistAccessMutex.ReleaseMutex();
}
}
}
catch (Exception ex)
{
Logger.Instance.Error("Failed to read playlist", ex);
}
return(new Playlist());
}
}
public static PlaybackSettings ReadPlaybackSettings(bool allowCached = false)
{
lock (PlaylistManager._lockObj)
{
if (allowCached && PlaylistManager._settingsCached != null)
{
return(PlaylistManager._settingsCached);
}
PlaybackSettings playbackSettings = new PlaybackSettings();
try
{
if (PlaylistManager._settingsCached != null && PlaylistManager._settingsCached.Metadata.LastUpdated == PlaylistManager.GetLastChangedDate(PlaylistManager.SettingsMetadataFileName))
{
return(PlaylistManager._settingsCached);
}
using (IsolatedStorageFile storeForApplication = IsolatedStorageFile.GetUserStoreForApplication())
{
PlaylistManager.settingsAccessMutex.WaitOne();
if (storeForApplication.FileExists(PlaylistManager.PlaybackSettingsFileName))
{
IsolatedStorageFileStream storageFileStream = storeForApplication.OpenFile(PlaylistManager.PlaybackSettingsFileName, FileMode.Open, FileAccess.Read);
if (storageFileStream != null)
{
using (BinaryReader reader = new BinaryReader((Stream)storageFileStream))
playbackSettings = reader.ReadGeneric <PlaybackSettings>();
PlaylistManager._settingsCached = playbackSettings;
}
}
PlaylistManager.settingsAccessMutex.ReleaseMutex();
}
}
catch (Exception ex)
{
Logger.Instance.Error("ReadPlaybackSettings failed", ex);
}
return(playbackSettings);
}
}
public static void SetAudioAgentPlaylist(List <AudioObj> tracks, StatisticsActionSource actionSource)
{
PlaylistManager.SetAudioAgentPlaylistImpl(tracks, actionSource);
}
