/// <summary>
/// Enqueues the command for execution.
/// </summary>
/// <param name="command">The command.</param>
private void EnqueueCommand(MediaCommand command)
{
if (MediaCore.IsOpen == false)
{
command.Complete();
return;
}
lock (SyncLock)
Commands.Add(command);
}
/// <summary>
/// Closes the specified media.
/// This command gets processed in a threadpool thread asynchronously.
/// </summary>
/// <returns>Returns the background task.</returns>
public async Task CloseAsync()
{
if (CanExecuteCommands == false)
{
return;
}
else
{
IsClosing.Value = true;
}
var command = new CloseCommand(this);
ExecutingCommand = command;
ClearCommandQueue();
var action = new Action(() =>
{
try
{
if (command.HasCompleted)
{
return;
}
command.RunSynchronously();
}
catch (Exception ex)
{
MediaCore?.Log(
MediaLogMessageType.Error,
$"{nameof(MediaCommandManager)}.{nameof(CloseAsync)}: {ex.GetType()} - {ex.Message}");
}
finally
{
ExecutingCommand?.Complete();
ExecutingCommand = null;
IsClosing.Value = false;
}
});
await Task.Run(action);
}