private void OnPlugInActivated(object?sender, PlugInEventArgs e)
{
if (!this.IsEventRelevant(e))
{
return;
}
this.BeforeActivatePlugInType(e.PlugInType);
var plugIn = this.FindActivePlugin(e.PlugInType);
if (plugIn != null)
{
return;
}
plugIn = this.FindKnownPlugin(e.PlugInType);
if (plugIn is null)
{
return;
}
this.LockSlim.EnterWriteLock();
try
{
this.ActivatePlugIn(plugIn);
}
finally
{
this.LockSlim.ExitWriteLock();
}
}
private void OnPlugInActivated(object sender, PlugInEventArgs e)
{
if (!this.IsEventRelevant(e))
{
return;
}
var plugIn = this.FindActivePlugin(e.PlugInType);
if (plugIn != null)
{
return;
}
plugIn = this.FindKnownPlugin(e.PlugInType);
if (plugIn == null)
{
throw new ArgumentException($"Unknown plugin {e.PlugInType}.", nameof(e));
}
this.LockSlim.EnterWriteLock();
try
{
this.ActivatePlugIn(plugIn);
}
finally
{
this.LockSlim.ExitWriteLock();
}
}
private void OnPlugInDeactivated(object sender, PlugInEventArgs e)
{
if (!this.IsEventRelevant(e))
{
return;
}
var plugIn = this.FindActivePlugin(e.PlugInType);
if (plugIn == null)
{
return;
}
this.LockSlim.EnterWriteLock();
try
{
this.DeactivatePlugIn(plugIn);
}
finally
{
this.LockSlim.ExitWriteLock();
}
}
private bool IsEventRelevant(PlugInEventArgs e) => typeof(TPlugIn).IsAssignableFrom(e.PlugInType);
