public DownloadingViewModel(IUnityContainer container) : base(container)
{
PauseAllCommand = new RelayCommand(() =>
{
foreach (var task in TransferTasks)
{
if (PauseCommand.CanExecute(task))
{
PauseCommand.Execute(task);
}
}
},
() => TransferTasks?.Any() ?? false);
CancelAllCommand = new RelayCommand(() =>
{
foreach (var task in TransferTasks)
{
if (CancelCommand.CanExecute(task))
{
CancelCommand.Execute(task);
}
}
},
() => TransferTasks?.Any() ?? false);
}
/// <summary>
/// Pauses this instance.
/// </summary>
public void Pause()
{
if (PauseCommand?.CanExecute(null) == true)
{
PauseCommand?.Execute(null);
MediaState = MediaState == MediaState.Paused ? MediaState.Playing : MediaState.Paused;
OnMediaStateChanged();
}
}
private void PauseButton_Checked(object sender, RoutedEventArgs e)
{
if (PauseCommand == null)
{
return;
}
var parameter = PauseCommandParameter ?? DataContext;
if (PauseCommand.CanExecute(parameter))
{
PauseCommand.Execute(parameter);
}
}
private void PlayPauseButton_Click(object sender, RoutedEventArgs e)
{
if (!MediaPlaying)
{
Play();
if (PlayCommand != null && PlayCommand.CanExecute(EMPTY_PARAMETER))
{
PlayCommand.Execute(EMPTY_PARAMETER);
}
}
else
{
Pause();
if (PauseCommand != null && PauseCommand.CanExecute(EMPTY_PARAMETER))
{
PauseCommand.Execute(EMPTY_PARAMETER);
}
}
}
public DownloadingViewModel(IUnityContainer container) : base(container)
{
PauseAllCommand = new RelayCommand(() => TransferTasks.ForEach(item =>
{
if (PauseCommand.CanExecute(item))
{
PauseCommand.Execute(item);
}
}),
() => TransferTasks?.Any() ?? false);
CancelAllCommand = new RelayCommand(() => TransferTasks.ForEach(item =>
{
if (CancelCommand.CanExecute(item))
{
CancelCommand.Execute(item);
}
}),
() => TransferTasks?.Any() ?? false);
}