/// <summary>
/// Restores the AudioController from suspension.
/// </summary>
/// <remarks>This method should only be called from the constructor.</remarks>
private async Task DeserializeAsync()
{
StorageFile file = null;
TrackQueue deserializedQueue = null;
try
{
file = await ApplicationData.Current.LocalFolder.GetFileAsync(QUEUE_SUSPENSION_XML);
using (IInputStream stream = await file.OpenReadAsync())
{
DataContractSerializer dcs = new DataContractSerializer(typeof(TrackQueue));
deserializedQueue = (TrackQueue)dcs.ReadObject(stream.AsStreamForRead());
}
}
catch (Exception)
{
// Justification: deserialization failure should assume corrupt file and fail gracefully
}
if (deserializedQueue != null)
{
MutateQueue(() => _queue = deserializedQueue);
OnPropertyChanged("UpcomingTracks"); // In this case, a new object was deserialized.
if (_queue.Current != null)
{
Status = AudioControllerStatus.Paused;
}
}
if (file != null)
{
await file.DeleteAsync();
}
}
/// <summary>
/// Restores the AudioController from suspension.
/// </summary>
/// <remarks>This method should only be called from the constructor.</remarks>
private async Task DeserializeAsync()
{
StorageFile file = null;
TrackQueue deserializedQueue = null;
try
{
file = await ApplicationData.Current.LocalFolder.GetFileAsync(QUEUE_SUSPENSION_XML);
using (IInputStream stream = await file.OpenReadAsync())
{
DataContractSerializer dcs = new DataContractSerializer(typeof(TrackQueue));
deserializedQueue = (TrackQueue)dcs.ReadObject(stream.AsStreamForRead());
}
}
catch (Exception)
{
// Justification: deserialization failure should assume corrupt file and fail gracefully
}
if (deserializedQueue != null)
{
MutateQueue(() => _queue = deserializedQueue);
OnPropertyChanged("UpcomingTracks"); // In this case, a new object was deserialized.
if (_queue.Current != null) Status = AudioControllerStatus.Paused;
}
if (file != null)
{
await file.DeleteAsync();
}
}
