public MainViewModel()
{
_saveFileInfo = new FileInfo(CaptureController.SavePath);
// Initialize file watcher.
_fileWatcher.Path = Path.GetDirectoryName(CaptureController.SavePath);
_fileWatcher.Filter = Path.GetFileName(CaptureController.SavePath);
_fileWatcher.Changed += (s, e) => OnPropertyChanged(nameof(Size));
_fileWatcher.EnableRaisingEvents = true;
CaptureController.StateChanged += (s, e) => CaptureState = e.State;
PlaybackController.StateChanged += (s, e) => PlaybackState = e.State;
CaptureCommand = new Command(() =>
{
if (CaptureState == State.Idle)
{
CaptureController.Start();
}
else
{
CaptureController.Stop();
}
}, () => PlaybackState == State.Idle);
CapturePauseCommand = new Command(() =>
{
if (CaptureState == State.Running)
{
CaptureController.Pause();
}
else
{
CaptureController.Resume();
}
UpdatePage();
}, () => CaptureState != State.Idle);
PlaybackCommand = new Command(() =>
{
if (PlaybackState == State.Idle)
{
PlaybackController.Start();
}
else
{
PlaybackController.Stop();
}
UpdatePage();
}, () => CaptureState == State.Idle && File.Exists(CaptureController.SavePath));
PlaybackPauseCommand = new Command(() =>
{
if (PlaybackState == State.Running)
{
PlaybackController.Pause();
}
else
{
PlaybackController.Resume();
}
UpdatePage();
}, () => PlaybackState != State.Idle);
}