content: /*
   * Copyright 2010, 2011, 2012 mapsforge.org
   * Copyright 2013 Hannes Janetzek
   * Copyright 2016-2017 devemux86
   * Copyright 2017 Andrey Novikov
   *
   * This file is part of the OpenScienceMap project (http://www.opensciencemap.org).
   *
   * This program is free software: you can redistribute it and/or modify it under the
   * terms of the GNU Lesser General Public License as published by the Free Software
   * Foundation, either version 3 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 Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public License along with
   * this program. If not, see <http://www.gnu.org/licenses/>.
   */
  package org.oscim.theme;
  
  import org.oscim.theme.IRenderTheme.ThemeException;
  
  import java.io.InputStream;
  import java.io.Serializable;
  
  /**
   * Interface for a render theme which is defined in XML.
   */
  public interface ThemeFile extends Serializable {
      /**
       * @return the interface callback to create a settings menu on the fly.
       */
      XmlRenderThemeMenuCallback getMenuCallback();
  
      /**
       * @return the prefix for all relative resource paths.
       */
      String getRelativePathPrefix();
  
      /**
       * @return an InputStream to read the render theme data from.
       * @throws ThemeException if an error occurs while reading the render theme XML.
       */
      InputStream getRenderThemeAsStream() throws ThemeException;
  
      /**
       * Tells ThemeLoader if theme file is in Mapsforge format
       *
       * @return true if theme file is in Mapsforge format
       */
      boolean isMapsforgeTheme();
  
      /**
       * @param menuCallback the interface callback to create a settings menu on the fly.
       */
      void setMenuCallback(XmlRenderThemeMenuCallback menuCallback);
  }
  