public void PrintCurrentApp(TextWriter writer)
{
MHApplication application = CurrentApp();
application.Print(writer, 0);
}
public bool Launch(MHObjectRef target, bool fIsSpawn)
{
string csPath = GetPathName(target.GroupId); // Get path relative to root.
if (csPath.Length == 0)
{
return(false); // No file name.
}
if (m_fInTransition)
{
Logging.Log(Logging.MHLogWarning, "Launch during transition - ignoring");
return(false);
}
// Check that the file exists before we commit to the transition.
// This may block if we cannot be sure whether the object is present.
byte[] text;
if (!m_Context.GetCarouselData(csPath, out text))
{
return(false);
}
m_fInTransition = true; // Starting a transition
try
{
if (CurrentApp() != null)
{
if (fIsSpawn)
{
// Run the CloseDown actions.
AddActions(CurrentApp().CloseDown);
RunActions();
}
if (CurrentScene() != null)
{
CurrentScene().Destruction(this);
}
CurrentApp().Destruction(this);
if (!fIsSpawn)
{
m_ApplicationStack.Pop(); // Pop and delete the current app.
}
}
MHApplication pProgram = (MHApplication)ParseProgram(text);
if ((Logging.GetLoggingLevel() & Logging.MHLogScenes) != 0) // Print it so we know what's going on.
{
pProgram.Print(Logging.GetLoggingStream(), 0);
}
if (!pProgram.IsApp)
{
throw new MHEGException("Expected an application");
}
// Save the path we use for this app.
pProgram.Path = csPath; // Record the path
int nPos = pProgram.Path.LastIndexOf('/');
if (nPos < 0)
{
pProgram.Path = "";
}
else
{
pProgram.Path = pProgram.Path.Substring(0, nPos);
}
// Have now got the application.
m_ApplicationStack.Push(pProgram);
// This isn't in the standard as far as I can tell but we have to do this because
// we may have events referring to the old application.
m_EventQueue.Clear();
// Activate the application. ....
CurrentApp().Activation(this);
m_fInTransition = false; // The transition is complete
return(true);
}
catch (MHEGException)
{
m_fInTransition = false; // The transition is complete
return(false);
}
}