/*
GNU GENERAL LICENSE
Copyright (C) 2006 The Lobo Project. Copyright (C) 2014 - 2017 Lobo Evolution
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License as published by the Free Software Foundation; either
verion 3 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General License for more details.
You should have received a copy of the GNU General Public
along with this program. If not, see <http://www.gnu.org/licenses/>.
Contact info: lobochief@users.sourceforge.net; ivan.difrancesco@yahoo.it
*/
package org.lobobrowser.html.renderstate;
import org.lobobrowser.html.domimpl.HTMLElementImpl;
import org.lobobrowser.html.style.HtmlInsets;
/**
* The Class AbstractMarginRenderState.
*/
public abstract class AbstractMarginRenderState extends BlockRenderState {
/**
* Instantiates a new abstract margin render state.
*
* @param prevRenderState
* the prev render state
* @param element
* the element
*/
public AbstractMarginRenderState(RenderState prevRenderState,
HTMLElementImpl element) {
super(prevRenderState, element);
}
/** Gets the default margin insets.
*
* @return the default margin insets
*/
protected abstract HtmlInsets getDefaultMarginInsets();
/*
* (non-Javadoc)
* @see org.lobobrowser.html.renderstate.StyleSheetRenderState#getMarginInsets()
*/
@Override
public HtmlInsets getMarginInsets() {
HtmlInsets insets = this.marginInsets;
if (insets != INVALID_INSETS) {
return insets;
}
insets = super.getMarginInsets();
if (insets == null) {
insets = this.getDefaultMarginInsets();
}
this.marginInsets = insets;
return insets;
}
}