movieshape.java

来自「EXCEL read and write」· Java 代码 · 共 160 行

package org.apache.poi.hslf.model;

import org.apache.poi.ddf.*;
import org.apache.poi.hslf.record.*;
import org.apache.poi.hslf.exceptions.HSLFException;
import org.apache.poi.hslf.usermodel.SlideShow;
import org.apache.poi.util.LittleEndian;

import java.io.ByteArrayOutputStream;
import java.util.Iterator;

/**
 * Represents a movie in a PowerPoint document.
 *
 * @author Yegor Kozlov
 */
public class MovieShape extends Picture {
    public static final int DEFAULT_MOVIE_THUMBNAIL = -1;

    public static final int MOVIE_MPEG = 1;
    public static final int MOVIE_AVI  = 2;

    /**
     * Create a new <code>Picture</code>
     *
    * @param pictureIdx the index of the picture
     */
    public MovieShape(int movieIdx, int pictureIdx){
        super(pictureIdx, null);
        setMovieIndex(movieIdx);
        setAutoPlay(true);
    }

    /**
     * Create a new <code>Picture</code>
     *
     * @param idx the index of the picture
     * @param parent the parent shape
     */
    public MovieShape(int movieIdx, int idx, Shape parent) {
        super(idx, parent);
        setMovieIndex(movieIdx);
    }

    /**
      * Create a <code>Picture</code> object
      *
      * @param escherRecord the <code>EscherSpContainer</code> record which holds information about
      *        this picture in the <code>Slide</code>
      * @param parent the parent shape of this picture
      */
     protected MovieShape(EscherContainerRecord escherRecord, Shape parent){
        super(escherRecord, parent);
    }

    /**
     * Create a new Placeholder and initialize internal structures
     *
     * @return the created <code>EscherContainerRecord</code> which holds shape data
     */
    protected EscherContainerRecord createSpContainer(int idx, boolean isChild) {
        _escherContainer = super.createSpContainer(idx, isChild);

        setEscherProperty(EscherProperties.PROTECTION__LOCKAGAINSTGROUPING, 0x1000100);
        setEscherProperty(EscherProperties.FILL__NOFILLHITTEST, 0x10001);

        EscherClientDataRecord cldata = new EscherClientDataRecord();
        cldata.setOptions((short)0xF);
        _escherContainer.getChildRecords().add(cldata);

        OEShapeAtom oe = new OEShapeAtom();
        InteractiveInfo info = new InteractiveInfo();
        InteractiveInfoAtom infoAtom = info.getInteractiveInfoAtom();
        infoAtom.setAction(InteractiveInfoAtom.ACTION_MEDIA);
        infoAtom.setHyperlinkType(InteractiveInfoAtom.LINK_NULL);

        AnimationInfo an = new AnimationInfo();
        AnimationInfoAtom anAtom = an.getAnimationInfoAtom();
        anAtom.setFlag(AnimationInfoAtom.Automatic, true);

        //convert hslf into ddf
        ByteArrayOutputStream out = new ByteArrayOutputStream();
        try {
            oe.writeOut(out);
            an.writeOut(out);
            info.writeOut(out);
        } catch(Exception e){
            throw new HSLFException(e);
        }
        cldata.setRemainingData(out.toByteArray());

        return _escherContainer;
    }

    /**
     * Assign a movie to this shape
     *
     * @see {@link org.apache.poi.hslf.usermodel.SlideShow#addMovie(String, int)}
     * @param idx  the index of the movie
     */
    public void setMovieIndex(int idx){
        OEShapeAtom oe = (OEShapeAtom)getClientDataRecord(RecordTypes.OEShapeAtom.typeID);
        oe.setOptions(idx);

        AnimationInfo an = (AnimationInfo)getClientDataRecord(RecordTypes.AnimationInfo.typeID);
        if(an != null) {
            AnimationInfoAtom ai = an.getAnimationInfoAtom();
            ai.setDimColor(0x07000000);
            ai.setFlag(AnimationInfoAtom.Automatic, true);
            ai.setFlag(AnimationInfoAtom.Play, true);
            ai.setFlag(AnimationInfoAtom.Synchronous, true);
            ai.setOrderID(idx + 1);
        }
    }

    public void setAutoPlay(boolean flag){
        AnimationInfo an = (AnimationInfo)getClientDataRecord(RecordTypes.AnimationInfo.typeID);
        if(an != null){
            an.getAnimationInfoAtom().setFlag(AnimationInfoAtom.Automatic, flag);
            updateClientData();
        }
    }

    public boolean  isAutoPlay(){
        AnimationInfo an = (AnimationInfo)getClientDataRecord(RecordTypes.AnimationInfo.typeID);
        if(an != null){
            return an.getAnimationInfoAtom().getFlag(AnimationInfoAtom.Automatic);
        }
        return false;
    }

    /**
     *  Returns UNC or local path to a video file
     *
     * @return UNC or local path to a video file
     */
    public String getPath(){
        OEShapeAtom oe = (OEShapeAtom)getClientDataRecord(RecordTypes.OEShapeAtom.typeID);
        int idx = oe.getOptions();

        SlideShow ppt = getSheet().getSlideShow();
        ExObjList lst = (ExObjList)ppt.getDocumentRecord().findFirstOfType(RecordTypes.ExObjList.typeID);
        if(lst == null) return null;

        Record[]  r = lst.getChildRecords();
        for (int i = 0; i < r.length; i++) {
            if(r[i] instanceof ExMCIMovie){
                ExMCIMovie mci = (ExMCIMovie)r[i];
                ExVideoContainer exVideo = mci.getExVideo();
                int objectId = exVideo.getExMediaAtom().getObjectId();
                if(objectId == idx){
                    return exVideo.getPathAtom().getText();
                }
            }

        }
        return null;
    }
}