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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.
*/
/* $Id$ */
package org.apache.fop.area.inline;
import org.apache.fop.area.Area;
import org.apache.fop.area.LinkResolver;
/**
* An inline area produced by an fo:basic-link element. This class implements a different
* behavior to what is prescribed by the XSL-FO 1.1 Recommendation. With the standard
* behavior, there is no easy way to make a link cover e.g. a whole image.
*
* <p>See following bug report at W3C's:
* http://www.w3.org/Bugs/Public/show_bug.cgi?id=11672</p>
*/
public class BasicLinkArea extends InlineParent {
private static final long serialVersionUID = 5183753430412208151L;
private LinkResolver resolver;
@Override
public void setParentArea(Area parentArea) {
super.setParentArea(parentArea);
/*
* Perform necessary modifications to make this area encompass all of its children
* elements, so as to have a useful active area. We assume that this method is
* called after all of the children areas have been added to this area.
*/
/* Make this area start at its beforest child. */
setBlockProgressionOffset(getBlockProgressionOffset() + minChildOffset);
/* Update children offsets accordingly. */
for (InlineArea inline : inlines) {
inline.setBlockProgressionOffset(inline.getBlockProgressionOffset() - minChildOffset);
}
setBPD(getVirtualBPD());
}
/**
* Establish (or remove) back-pointer to link resolver.
* @param resolver the link resolver that will resolve this basic link or null
*/
public void setResolver(LinkResolver resolver) {
assert (resolver == null) || (this.resolver == null);
this.resolver = resolver;
}
/**
* Obtain back-pointer to link resolver.
* @return resolver the link resolver that will resolve this basic link or null
*/
public LinkResolver getResolver() {
return this.resolver;
}
}
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