void UpdateView()
{
ISourceProvider vm = this.ViewModel;
if (vm != null)
{
ISourceRef srf = vm.ActiveSource;
if ((srf == null) || (srf.MediaType == MediaTypes.Image))
{
OnMediaOff();
this._player.Stop();
this._player.Source = null;
this.Visibility = Visibility.Collapsed;
}
else
{
this._player.Source = null;
this._player.Source = new Uri(srf.SourcePath, UriKind.Absolute);
this._mediaPosition.Value = 0;
this._player.Play();
OnMediaOn();
this._player.Volume = this._volume.Value;
this.Visibility = Visibility.Visible;
}
}
}
public static IEnumerable <CodeValuePair> EnumerateStdSourceParams(ISourceRef source)
{
if ((source != null) && !string.IsNullOrEmpty(source.SourcePath))
{
string tmp = source.SourcePath;
yield return(new CodeValuePair()
{
Code = TemplParams.FilePath, Value = tmp
});
yield return(new CodeValuePair()
{
Code = TemplParams.DirPath, Value = TemplParams.GetDirPath(tmp)
});
yield return(new CodeValuePair()
{
Code = TemplParams.FileName, Value = TemplParams.GetFileName(tmp)
});
yield return(new CodeValuePair()
{
Code = TemplParams.FileExt, Value = TemplParams.GetFileExt(tmp)
});
}
}
/// <summary>
/// Execute external command. <paramref name="srf"/> must implement <see cref="ISourceRef"/>.
/// </summary>
/// <param name="srf">Target media file. Must implement <see cref="ISourceRef"/></param>
public virtual void Execute(ISourceRef srf, Func <string, string> getValue = null)
{
if (srf != null)
{
this.Execute(TemplParams.EnumerateStdSourceParams(srf), getValue);
}
}
/// <summary>
/// Checks if this command can be applied to the target media file.
/// <paramref name="srf"/> must implement <see cref="ISourceRef"/>.
/// </summary>
/// <param name="srf">Must implement <see cref="ISourceRef"/></param>
/// <returns></returns>
public virtual bool CanExecute(ISourceRef srf)
{
if (srf == null)
{
return(false);
}
if (this.ApplicableFileExtensions != null)
{
if (!this.ApplicableFileExtensions.Contains(TemplParams.GetFileExt(srf.SourcePath)))
{
return(false);
}
}
return(true);
}
public BulkSourceMsg(ISourceRef <ByteString> dataSource)
{
DataSource = dataSource;
}
public SourceMsg(ISourceRef <string> dataSource)
{
DataSource = dataSource;
}
public LogsOffer(int streamId, ISourceRef <string> sourceRef)
{
StreamId = streamId;
SourceRef = sourceRef;
}
public EnvelopedStream(ISourceRef <string> sourceRef)
{
SourceRef = sourceRef;
}
public IntsStreamCreated(Guid streamId, ISourceRef <int> sourceRef)
{
StreamId = streamId;
SourceRef = sourceRef;
}
