1 /**********************************************
2 * Copyright (C) 2010 Lukas Laag
3 * This file is part of lib-gwt-svg.
4 *
5 * libgwtsvg is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * libgwtsvg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with libgwtsvg. If not, see http://www.gnu.org/licenses/
17 **********************************************/
18 package org.vectomatic.dom.svg.events;
19
20 import com.google.gwt.event.shared.HandlerRegistration;
21 import com.google.gwt.event.shared.HasHandlers;
22
23 /**
24 * A widget that implements this interface provides registration for
25 * {@link SVGZoomHandler} instances.
26 */
27 public interface HasSVGZoomHandlers extends HasHandlers {
28 /**
29 * Adds a {@link SVGZoomHandler} handler.
30 *
31 * @param handler the zoom handler
32 * @return {@link HandlerRegistration} used to remove this handler
33 */
34 HandlerRegistration addSVGZoomHandler(SVGZoomHandler handler);
35 }
36