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/*
* Copyright 1999-2005 The Apache Software Foundation.
*
* Licensed 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 java.util.List;
import java.util.ArrayList;
/**
* Inline parent area.
* This is an inline area that can have other inlines as children.
*/
public class InlineParent extends InlineArea {
/**
* The list of inline areas added to this inline parent.
*/
protected List inlines = new ArrayList();
/**
* An inline parent is a reference area somay have clipping
*/
protected boolean clip = false;
/**
* Create a new inline parent to add areas to.
*/
public InlineParent() {
}
/**
* Override generic Area method.
*
* @param childArea the child area to add
*/
public void addChildArea(Area childArea) {
if (childArea instanceof InlineArea) {
inlines.add(childArea);
increaseIPD(((InlineArea) childArea).getAllocIPD());
}
}
/**
* Get the child areas for this inline parent.
*
* @return the list of child areas
*/
public List getChildAreas() {
return inlines;
}
/**
* recursively apply the variation factor to all descendant areas
* @param variationFactor the variation factor that must be applied to adjustments
* @param lineStretch the total stretch of the line
* @param lineShrink the total shrink of the line
* @return true if there is an UnresolvedArea descendant
*/
public boolean applyVariationFactor(double variationFactor,
int lineStretch, int lineShrink) {
boolean bUnresolvedAreasPresent = false;
// recursively apply variation factor to descendant areas
for (int i = 0, len = inlines.size(); i < len; i++) {
bUnresolvedAreasPresent |= ((InlineArea)inlines.get(i))
.applyVariationFactor(variationFactor, lineStretch, lineShrink);
}
return bUnresolvedAreasPresent;
}
}
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