/* 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 DESTROYEVENT_H
#define DESTROYEVENT_H

#include "util/Path.h"
#include "QueuedEvent.h"
#include <string>

using std::string;

template<typename T> class Array;
template<typename T> class ListNode;
template<typename T> class TreeNode;

namespace Om {

class OmObject;
class Patch;
class Node;
class Plugin;
class DisconnectNodeEvent;
class DisconnectPortEvent;


/** An event to remove and delete a Node.
 *
 * \ingroup engine
 */
class DestroyEvent : public QueuedEvent
{
public:
	DestroyEvent(CountedPtr<Responder> responder, const string& path, bool lock_mutex = true);
	DestroyEvent(CountedPtr<Responder> responder, Node* node, bool lock_mutex = true);
	~DestroyEvent();

	void pre_process();
	void execute(samplecount offset);
	void post_process();

private:
	Path                 m_path;
	Node*                m_node; 
	ListNode<Node*>*     m_patch_listnode;
	TreeNode<OmObject*>* m_store_treenode;
	Array<Node*>*        m_process_order; // Patch's new process order
	DisconnectNodeEvent* m_disconnect_event;
	DisconnectPortEvent* m_parent_disconnect_event; // used for input/output nodes
};


} // namespace Om

#endif // DESTROYEVENT_H