public override async Task LoadContents()
{
var loader = new RemoteApiContentsLoader(TargetDevice);
await TargetDevice.Observer.StartAsync();
try
{
OnProgressMessage("Progress_ChangingCameraState");
var StateChangeCanceller = new CancellationTokenSource(15000);
try
{
if (!await PlaybackModeHelper.MoveToContentTransferModeAsync(TargetDevice, StateChangeCanceller))
{
DebugUtil.Log(() => "ModeTransition failed");
throw new Exception();
}
}
finally
{
StateChangeCanceller = null;
}
DebugUtil.Log(() => "ModeTransition successfully finished");
OnProgressMessage("Progress_FetchingContents");
loader.PartLoaded += RemoteContentsLoader_PartLoaded;
await loader.Load(ApplicationSettings.GetInstance().RemoteContentsSet, Canceller);
DebugUtil.Log(() => "RemoteApiContentsLoader completed");
}
catch (StorageNotSupportedException)
{
// This will never happen on camera devices.
DebugUtil.Log(() => "storage scheme is not supported");
OnErrorMessage("Viewer_StorageAccessNotSupported");
}
catch (NoStorageException)
{
DebugUtil.Log(() => "No storages");
OnErrorMessage("Viewer_NoStorage");
}
catch (Exception e)
{
DebugUtil.Log(() => e.StackTrace);
OnErrorMessage("Viewer_FailedToLoadContents");
}
finally
{
loader.PartLoaded -= RemoteContentsLoader_PartLoaded;
}
}
public override async Task LoadRemainingContents(RemainingContentsHolder holder)
{
var loader = new RemoteApiContentsLoader(TargetDevice);
loader.PartLoaded += RemoteContentsLoader_PartLoaded;
try
{
await loader.LoadRemainingAsync(holder, ApplicationSettings.GetInstance().RemoteContentsSet, Canceller);
}
catch (Exception e)
{
DebugUtil.Log(() => e.StackTrace);
OnErrorMessage("Viewer_FailedToLoadContents");
}
finally
{
loader.PartLoaded -= RemoteContentsLoader_PartLoaded;
}
}
