/// <summary>
/// Shows the storage device selector.
/// </summary>
void SelectDevice()
{
Status = StorageProviderStatus.ShowSelector;
if (Requirements.Player.HasValue == false)
{
if (Requirements.SizeInBytes == 0)
{
Guide.BeginShowStorageDeviceSelector(
StorageDeviceDismissed, null);
}
else
{
Guide.BeginShowStorageDeviceSelector(
Requirements.SizeInBytes, Requirements.DirectoryCount,
StorageDeviceDismissed, null);
}
}
else
{
if (Requirements.SizeInBytes == 0)
{
Guide.BeginShowStorageDeviceSelector(
Requirements.Player.Value,
StorageDeviceDismissed, null);
}
else
{
Guide.BeginShowStorageDeviceSelector(
Requirements.Player.Value,
Requirements.SizeInBytes, Requirements.DirectoryCount,
StorageDeviceDismissed, null);
}
}
}
/// <summary>
/// Determines the providers status from the attached device.
/// </summary>
void UpdateStatusFromDevice()
{
if (device != null)
{
Status = device.IsConnected == true ?
StorageProviderStatus.Connected :
StorageProviderStatus.Disconnected;
}
else if (device == null)
{
Status = wasConnected == true ?
StorageProviderStatus.Disconnected :
StorageProviderStatus.Canceled;
}
}
/// <summary>
/// Called when a message box has been dismissed.
/// </summary>
/// <param name="result">The result of the asynchronous operation.</param>
void MessageBoxDismissed(IAsyncResult result)
{
int?button = Guide.EndShowMessageBox(result);
if (button.HasValue == true && button.Value == 0)
{
// TODO: Delay to hide current message box
Status = StorageProviderStatus.PendingSelector;
//SelectDevice(context);
}
else
{
CancelSession();
}
}
/// <summary>
/// Updates the internal state of the provider.
/// </summary>
internal void Update()
{
if (Status == StorageProviderStatus.PendingSelector)
{
if (Guide.IsVisible == false)
{
SelectDevice();
}
}
else
{
bool isConnected = device != null && device.IsConnected;
if (isConnected == false && wasConnected == true)
{
Status = StorageProviderStatus.Disconnected;
}
wasConnected = isConnected;
}
}