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/*

   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
   the License.  You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.

 */
package org.apache.batik.anim.dom;

import org.apache.batik.anim.timing.TimedElement;
import org.apache.batik.dom.AbstractDocument;
import org.apache.batik.dom.svg.SVGAnimationContext;
import org.apache.batik.dom.svg.SVGTestsSupport;
import org.apache.batik.util.DoublyIndexedTable;
import org.apache.batik.util.SVGTypes;

import org.w3c.dom.DOMException;
import org.w3c.dom.svg.SVGAnimatedBoolean;
import org.w3c.dom.svg.SVGAnimationElement;
import org.w3c.dom.svg.SVGElement;
import org.w3c.dom.svg.SVGStringList;

/**
 * This class provides an implementation of the {@link SVGAnimationElement} interface.
 *
 * @author Stephane Hillion
 * @version $Id: SVGOMAnimationElement.java 1733416 2016-03-03 07:07:13Z gadams $
 */
public abstract class SVGOMAnimationElement
    extends SVGOMElement
    implements SVGAnimationElement {

    /**
     * Table mapping XML attribute names to TraitInformation objects.
     */
    protected static DoublyIndexedTable xmlTraitInformation;
    static {
        DoublyIndexedTable t =
            new DoublyIndexedTable(SVGOMElement.xmlTraitInformation);
        t.put(null, SVG_EXTERNAL_RESOURCES_REQUIRED_ATTRIBUTE,
                new TraitInformation(true, SVGTypes.TYPE_BOOLEAN));
        xmlTraitInformation = t;
    }

    /**
     * The 'externalResourcesRequired' attribute value.
     */
    protected SVGOMAnimatedBoolean externalResourcesRequired;

    /**
     * Creates a new SVGOMAnimationElement.
     */
    protected SVGOMAnimationElement() {
    }

    /**
     * Creates a new SVGOMAnimationElement object.
     * @param prefix The namespace prefix.
     * @param owner The owner document.
     */
    protected SVGOMAnimationElement(String prefix, AbstractDocument owner) {
        super(prefix, owner);
        initializeLiveAttributes();
    }

    /**
     * Initializes all live attributes for this element.
     */
    protected void initializeAllLiveAttributes() {
        super.initializeAllLiveAttributes();
        initializeLiveAttributes();
    }

    /**
     * Initializes the live attribute values of this element.
     */
    private void initializeLiveAttributes() {
        externalResourcesRequired =
            createLiveAnimatedBoolean
                (null, SVG_EXTERNAL_RESOURCES_REQUIRED_ATTRIBUTE, false);
    }

    /**
     * DOM: Implements {@link SVGAnimationElement#getTargetElement()}.
     */
    public SVGElement getTargetElement() {
        return ((SVGAnimationContext) getSVGContext()).getTargetElement();
    }

    /**
     * DOM: Implements {@link SVGAnimationElement#getStartTime()}.
     */
    public float getStartTime() {
        return ((SVGAnimationContext) getSVGContext()).getStartTime();
    }

    /**
     * DOM: Implements {@link SVGAnimationElement#getCurrentTime()}.
     */
    public float getCurrentTime() {
        return ((SVGAnimationContext) getSVGContext()).getCurrentTime();
    }

    /**
     * DOM: Implements {@link SVGAnimationElement#getSimpleDuration()}.
     */
    public float getSimpleDuration() throws DOMException {
        float dur = ((SVGAnimationContext) getSVGContext()).getSimpleDuration();
        if (dur == TimedElement.INDEFINITE) {
            throw createDOMException(DOMException.NOT_SUPPORTED_ERR,
                                     "animation.dur.indefinite",
                                     null);
        }
        return dur;
    }

    /**
     * Returns the time that the document would seek to if this animation
     * element were hyperlinked to, or NaN if there is no
     * such begin time.
     */
    public float getHyperlinkBeginTime() {
        return ((SVGAnimationContext) getSVGContext()).getHyperlinkBeginTime();
    }

    // ElementTimeControl ////////////////////////////////////////////////

    /**
     * DOM: Implements {@link
     * org.w3c.dom.smil.ElementTimeControl#beginElement()}.
     */
    public boolean beginElement() throws DOMException {
        return ((SVGAnimationContext) getSVGContext()).beginElement();
    }
    
    /**
     * DOM: Implements {@link
     * org.w3c.dom.smil.ElementTimeControl#beginElementAt(float)}.
     */
    public boolean beginElementAt(float offset) throws DOMException {
        return ((SVGAnimationContext) getSVGContext()).beginElementAt(offset);
    }
    
    /**
     * DOM: Implements {@link
     * org.w3c.dom.smil.ElementTimeControl#endElement()}.
     */
    public boolean endElement() throws DOMException {
        return ((SVGAnimationContext) getSVGContext()).endElement();
    }
    
    /**
     * DOM: Implements {@link
     * org.w3c.dom.smil.ElementTimeControl#endElementAt(float)}.
     */
    public boolean endElementAt(float offset) throws DOMException {
        return ((SVGAnimationContext) getSVGContext()).endElementAt(offset);
    }

    // SVGExternalResourcesRequired support /////////////////////////////

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGExternalResourcesRequired#getExternalResourcesRequired()}.
     */
    public SVGAnimatedBoolean getExternalResourcesRequired() {
        return externalResourcesRequired;
    }

    // SVGTests support ///////////////////////////////////////////////////

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGTests#getRequiredFeatures()}.
     */
    public SVGStringList getRequiredFeatures() {
        return SVGTestsSupport.getRequiredFeatures(this);
    }

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGTests#getRequiredExtensions()}.
     */
    public SVGStringList getRequiredExtensions() {
        return SVGTestsSupport.getRequiredExtensions(this);
    }

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGTests#getSystemLanguage()}.
     */
    public SVGStringList getSystemLanguage() {
        return SVGTestsSupport.getSystemLanguage(this);
    }

    /**
     * DOM: Implements {@link
     * org.w3c.dom.svg.SVGTests#hasExtension(String)}.
     */
    public boolean hasExtension(String extension) {
        return SVGTestsSupport.hasExtension(this, extension);
    }

    /**
     * Returns the table of TraitInformation objects for this element.
     */
    protected DoublyIndexedTable getTraitInformationTable() {
        return xmlTraitInformation;
    }
}