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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.poi.hslf.record;
-
- import java.io.IOException;
- import java.io.OutputStream;
- import java.util.Map;
- import java.util.function.Supplier;
-
- import org.apache.poi.util.GenericRecordUtil;
- import org.apache.poi.util.LittleEndian;
-
- /**
- * An atom record that specifies an ActiveX control.
- *
- * @author Yegor Kozlov
- */
- public final class ExControlAtom extends RecordAtom {
-
-
- /**
- * Record header.
- */
- private byte[] _header;
-
- /**
- * slideId.
- */
- private int _id;
-
- /**
- * Constructs a brand new embedded object atom record.
- */
- protected ExControlAtom() {
- _header = new byte[8];
-
- LittleEndian.putShort(_header, 2, (short) getRecordType());
- LittleEndian.putInt(_header, 4, 4);
-
- }
-
- /**
- * Constructs the ExControlAtom record from its source data.
- *
- * @param source the source data as a byte array.
- * @param start the start offset into the byte array.
- * @param len the length of the slice in the byte array.
- */
- protected ExControlAtom(byte[] source, int start, int len) {
- // Get the header.
- _header = new byte[8];
- System.arraycopy(source, start, _header, 0, 8);
-
- _id = LittleEndian.getInt(source, start + 8);
- }
-
- /**
- * An integer that specifies which presentation slide is associated with the ActiveX control.
- * <p>
- * It MUST be 0x00000000 or equal to the value of the slideId field of a SlidePersistAtom record.
- * The value 0x00000000 specifies a null reference.
- * </p>
- *
- * @return an integer that specifies which presentation slide is associated with the ActiveX control
- */
- public int getSlideId() {
- return _id;
- }
-
- /**
- * Sets which presentation slide is associated with the ActiveX control.
- *
- * @param id an integer that specifies which presentation slide is associated with the ActiveX control
- * <p>
- * It MUST be 0x00000000 or equal to the value of the slideId field of a SlidePersistAtom record.
- * The value 0x00000000 specifies a null reference.
- * </p>
- */
- public void setSlideId(int id) {
- _id = id;
- }
-
- /**
- * Gets the record type.
- * @return the record type.
- */
- public long getRecordType() {
- return RecordTypes.ExControlAtom.typeID;
- }
-
- /**
- * Write the contents of the record back, so it can be written
- * to disk
- *
- * @param out the output stream to write to.
- * @throws java.io.IOException if an error occurs.
- */
- public void writeOut(OutputStream out) throws IOException {
- out.write(_header);
- byte[] data = new byte[4];
- LittleEndian.putInt(data, 0, _id);
- out.write(data);
- }
-
- @Override
- public Map<String, Supplier<?>> getGenericProperties() {
- return GenericRecordUtil.getGenericProperties("slideId", this::getSlideId);
- }
- }
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