public IRemotePlugin LoadPlugin(IWpfHost host, PluginStartupInfo startupInfo)
{
_host = host;
_log.Info(String.Format("LoadPlugin('{0}','{1}')", startupInfo.AssemblyName, startupInfo.MainClass));
new ProcessMonitor(Dispose).Start(_host.HostProcessId);
Func<PluginStartupInfo, object> createOnUiThread = LoadPluginOnUiThread;
var result = _dispatcher.Invoke(createOnUiThread, startupInfo);
_log.Debug("Returning plugin object to host");
if (result is Exception)
{
_log.Error("Error loading plugin", (Exception)result);
throw new TargetInvocationException((Exception)result);
}
return (IRemotePlugin)result;
}
public PluginProcessProxy(PluginStartupInfo startupInfo, IWpfHost host, ErrorHandlingService errorHandlingService)
{
_startupInfo = startupInfo;
_host = host;
_errorHandlingService = errorHandlingService;
}
private object LoadPluginOnUiThread(PluginStartupInfo startupInfo)
{
_log.Debug("Creating plugin on UI thread");
var assembly = startupInfo.AssemblyName;
var mainClass = startupInfo.MainClass;
try
{
var obj = PluginCreator.CreatePlugin(startupInfo.AssemblyName, startupInfo.MainClass, _host);
_log.Debug("Created local plugin class instance");
var localPlugin = obj as IPlugin;
if (localPlugin == null)
{
var message = string.Format("Object of type {0} cannot be loaded as plugin " +
"because it does not implement IPlugin interface", mainClass);
throw new InvalidOperationException(message);
}
var remotePlugin = new RemotePlugin(localPlugin);
_log.Debug("Created plugin control");
return remotePlugin;
}
catch (Exception ex)
{
var message = String.Format("Error loading type '{0}' from assembly '{1}'. {2}",
mainClass, assembly, ex.Message);
return new ApplicationException(message, ex);
}
}
private void Initialize()
{
_childContainer.RegisterType<IWpfHost, PluginViewOfHost>(new ContainerControlledLifetimeManager());
_childContainer.RegisterType<PluginProcessProxy>(new ContainerControlledLifetimeManager());
_startupInfp = new PluginStartupInfo
{
FullAssemblyPath = CatalogEntry.AssemblyPath,
AssemblyName = Path.GetFileNameWithoutExtension(CatalogEntry.AssemblyPath),
Bits = CatalogEntry.Bits,
MainClass = CatalogEntry.MainClass,
Name = CatalogEntry.Name,
Parameters = CatalogEntry.Parameters
};
_childContainer.RegisterInstance(_startupInfp);
}
