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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 ActivateHandler} instances.
26   */
27  public interface HasActivateHandlers extends HasHandlers {
28  	/**
29  	 * Adds a {@link ActivateHandler} handler.
30  	 * 
31  	 * @param handler the activate handler
32  	 * @return {@link HandlerRegistration} used to remove this handler
33  	 */
34  	HandlerRegistration addActivateHandler(ActivateHandler handler);
35  }