private void UpdateHostProjectForeground(object state)
{
_foregroundDispatcher.AssertForegroundThread();
var newHostProject = (HostProject)state;
if (_currentHostProject == null && newHostProject == null)
{
// This is a no-op. This project isn't using Razor.
}
else if (_currentHostProject == null && newHostProject != null)
{
_projectSnapshotManager.HostProjectAdded(newHostProject);
}
else if (_currentHostProject != null && newHostProject == null)
{
_projectSnapshotManager.HostProjectRemoved(HostProject);
}
else
{
_projectSnapshotManager.HostProjectChanged(newHostProject);
}
_currentHostProject = newHostProject;
}