private void HandleCompletedTask(Task t)
{
// notify non-success
if (!t.IsCompletedSuccessfully)
{
TaskFaulted?.Invoke(this, t);
}
}
public async Task <bool> StartTask(string tempInputFolderPath, string tempOutputFolderPath, string waifu2xCaffePath, string ffmpegPath)
{
bool faulted = false;
try
{
if (!Initialize())
{
return(false);
}
}
catch (Exception e)
{
TaskFaulted?.Invoke(this, $"Error occurred during initialization: {e.Message}");
Logger.Error("An exception occurred during initialization: {@Exception}", e);
faulted = true;
}
bool taskSucceeded = false;
if (!faulted)
{
try
{
taskSucceeded = await Start(tempInputFolderPath, tempOutputFolderPath, waifu2xCaffePath, ffmpegPath);
}
catch (Exception e)
{
taskSucceeded = false;
TaskFaulted?.Invoke(this, $"Error occurred while processing: {e.Message}");
Logger.Error("An exception occurred while processing: {@Exception}", e);
}
}
TaskCompleted?.Invoke(this);
try
{
return(Dispose());
}
catch (Exception e)
{
if (!faulted)
{
TaskFaulted?.Invoke(this, $"Error occurred while running cleanup: {e.Message}");
}
return(false);
}
}
public async Task <bool> CancelTask()
{
WasCanceled = true;
try
{
if (!IsRunning)
{
return(Dispose());
}
}
catch (Exception e)
{
TaskFaulted?.Invoke(this, $"Error occurred while running cleanup: {e.Message}");
Logger.Error(e, "Error occurred while running cleanup");
return(false);
}
bool faulted = false;
try
{
if (!(await Cancel()))
{
return(false);
}
}
catch (Exception e)
{
TaskFaulted?.Invoke(this, $"Error occurred while canceling a task: {e.Message}");
Logger.Error(e, "Error occurred while canceling a task");
faulted = true;
}
try
{
return(Dispose() && !faulted);
}
catch (Exception e)
{
TaskFaulted?.Invoke(this, $"Error occurred while running cleanup for a canceled task: {e.Message}");
Logger.Error(e, "Error occurred while running cleanup for a canceled task");
return(false);
}
}
public void RaiseTaskFaulted(Task task, [CallerMemberName] string taskName = default)
{
var status = $"[Faulted] Task: {taskName}. status: {task.Status}".AppendMainThreadAlert();
TaskFaulted?.Invoke(this, new TaskStatusChangedEventArgs(task, status));
}
private void OnTaskFaulted()
{
TaskFaulted?.Invoke(this, new ObservableTaskEventArgs(_task));
}
