More juggling

git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1

1 files changed, 70 insertions, 0 deletions

diff --git a/src/libs/engine/InternalNode.h b/src/libs/engine/InternalNode.h
new file mode 100644
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--- /dev/null
+++ b/src/libs/engine/InternalNode.h
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+/* This file is part of Om.  Copyright (C) 2006 Dave Robillard.
+ * 
+ * Om is free software; you can redistribute it and/or modify it under the
+ * terms of the GNU General Public License as published by the Free Software
+ * Foundation; either version 2 of the License, or (at your option) any later
+ * version.
+ * 
+ * Om is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#ifndef INTERNALNODE_H
+#define INTERNALNODE_H
+
+#include <cstdlib>
+#include "NodeBase.h"
+#include "Plugin.h"
+
+namespace Om {
+
+class Patch;
+
+
+/** Base class for Internal (builtin) nodes
+ *
+ * \ingroup engine
+ */
+class InternalNode : public NodeBase
+{
+public:
+	InternalNode(const string& path, size_t poly, Patch* parent, samplerate srate, size_t buffer_size)
+	: NodeBase(path, poly, parent, srate, buffer_size),
+	  m_is_added(false)
+	{
+		m_plugin.lib_path("/Om");
+	}
+	
+	virtual ~InternalNode() {}
+
+	virtual void deactivate() { if (m_is_added) remove_from_patch(); NodeBase::deactivate(); }
+	
+	virtual void run(size_t nframes) { NodeBase::run(nframes); }
+
+	virtual void add_to_patch()      { assert(!m_is_added); m_is_added = true; }
+	virtual void remove_from_patch() { assert(m_is_added); m_is_added = false; }
+
+	//virtual void send_creation_messages(ClientInterface* client) const
+	//{ NodeBase::send_creation_messages(client); }
+	
+	virtual const Plugin* plugin() const              { return &m_plugin; }
+	virtual void          plugin(const Plugin* const) { exit(EXIT_FAILURE); }
+
+protected:
+	// Disallow copies (undefined)
+	InternalNode(const InternalNode&);
+	InternalNode& operator=(const InternalNode&);
+	
+	Plugin m_plugin;
+	bool   m_is_added;
+};
+
+
+} // namespace Om
+
+#endif // INTERNALNODE_H