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/**
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* Copyright (C) 2006 Apple Computer, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include "core/layout/LayoutBR.h"
#include "core/dom/Document.h"
#include "core/dom/StyleEngine.h"
#include "core/editing/PositionWithAffinity.h"
#include "core/layout/LayoutObjectInlines.h"
namespace blink {
static PassRefPtr<StringImpl> newlineString() {
DEFINE_STATIC_LOCAL(const String, string, ("\n"));
return string.impl();
}
LayoutBR::LayoutBR(Node* node) : LayoutText(node, newlineString()) {}
LayoutBR::~LayoutBR() {}
int LayoutBR::lineHeight(bool firstLine) const {
const ComputedStyle& style =
styleRef(firstLine && document().styleEngine().usesFirstLineRules());
return style.computedLineHeight();
}
void LayoutBR::styleDidChange(StyleDifference diff,
const ComputedStyle* oldStyle) {
LayoutText::styleDidChange(diff, oldStyle);
}
int LayoutBR::caretMinOffset() const {
return 0;
}
int LayoutBR::caretMaxOffset() const {
return 1;
}
PositionWithAffinity LayoutBR::positionForPoint(const LayoutPoint&) {
return createPositionWithAffinity(0);
}
} // namespace blink
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