/*******************************************************************************
 * Copyright (c) 2000, 2004 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jface.text;


import org.eclipse.jface.text.Position;

/**
 * Manages and updates positions used by {@link IPainter}s.
 * 
 * @see org.eclipse.jface.text.IPainter
 * @since 2.1
 */
public interface IPaintPositionManager {
	
	/**
	 * Starts managing the given position until <code>unmanagePosition</code> is called.
	 * 
	 * @param position the position to manage
	 * @see #unmanagePosition(Position)
	 */
	void managePosition(Position position);
	
	/**
	 * Stops managing the given position. If the position is not managed 
	 * by this managed, this call has no effect.
	 * 
	 * @param position the position that should no longer be managed
	 */
	void unmanagePosition(Position position);
}
