/*
GNU GENERAL PUBLIC LICENSE
Copyright (C) 2006 The Lobo Project
This program 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.
This program 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 more details.
You should have received a copy of the GNU General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Contact info: lobochief@users.sourceforge.net
*/
package org.lobobrowser.ua;
/**
* A listener of navigation events.
*
* @see NavigationEvent
* @see NavigatorExtensionContext#addNavigationListener(NavigationListener)
*/
public interface NavigationListener extends java.util.EventListener {
static final NavigationListener[] EMPTY_ARRAY = new NavigationListener[0];
/**
* Called any time a navigation trigger originates in the event frame.
*
* @param event
* Contains navigation information.
* @throws NavigationVetoException
* Thrown to cancel navigation.
*/
public void beforeNavigate(NavigationEvent event) throws NavigationVetoException;
/**
* Called any time a navigation trigger needs to be processed in the event
* frame, but might have originated in a child frame.
*
* @param event
* Contains navigation information.
* @throws NavigationVetoException
* Thrown to cancel navigation.
*/
public void beforeLocalNavigate(NavigationEvent event) throws NavigationVetoException;
/**
* Called any time a window open trigger originates in the event frame.
*
* @param event
* Contains navigation information.
* @throws NavigationVetoException
* Thrown to cancel navigation.
*/
public void beforeWindowOpen(NavigationEvent event) throws NavigationVetoException;
}