private IDisposable RegisterHotkeys(IEnumerable <Key> hotkeys, ITimelineStepViewModel action)
{
List <IDisposable> registrations = new List <IDisposable>();
foreach (var hotkey in hotkeys)
{
string name = $"timeline_{hotkey.ToString()}";
try
{
NHotkey.Wpf.HotkeyManager.Current.AddOrReplace(name, hotkey, System.Windows.Input.ModifierKeys.None, (_, __) => Complete(action));
registrations.Add(Disposable.Create(() =>
{
NHotkey.Wpf.HotkeyManager.Current.Remove(name);
}));
}
catch (NHotkey.HotkeyAlreadyRegisteredException ex)
{
// TODO LOG ! or show error !!!
}
}
return(registrations.Any()
? new CompositeDisposable(registrations)
: Disposable.Empty);
}
public void Proceed(SessionStepExecution execution)
{
ClearCallbacks();
_hotkeysDisposable.Disposable = Disposable.Empty;
_execution = execution;
// wait for action executor completed
// -> event Completed
ITimelineStepViewModel action = ResolveStepActionViewModel(execution.Step.Action);
// start timer
// step.Completion.Duration
// -> event Completed
if (execution.Step.Completion.Duration.HasValue)
{
_timerDisposable.Disposable = new Timer(CompleteActionDurationTimer, action, execution.Step.Completion.Duration.Value, TimeSpan.FromMilliseconds(-1));
}
// set key shortcut
// -> command
// -> event Completed
var hotkeys = ResolveHotkeys(execution.Step.Completion.Hotkeys);
if (hotkeys.Any())
{
_hotkeysDisposable.Disposable = RegisterHotkeys(hotkeys, action);
}
Action = action;
action.Execute(_recording);
_recording.IsTimelineActive = action.IsContent;
}
private ITimelineStepViewModel ResolveStepActionViewModel(SessionStepActionSettings action)
{
ITimelineStepViewModel stepViewModel = null;
if (_resolver.CanCreate(action))
{
stepViewModel = (ITimelineStepViewModel)_resolver.Create(action);
}
return(stepViewModel);
}
private bool Complete(ITimelineStepViewModel action)
{
ClearCallbacks();
if (action != null && Action == action)
{
action.Completed -= Action_Completed;
_execution.Result = action.Complete(); // Complete may be called twice
StepCompleted?.Invoke(this, _execution);
return(true);
}
return(false);
}