author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/** |
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* Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
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* Copyright (C) 2006 Apple Computer, Inc. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#include "config.h" |
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#include "RenderBR.h" |
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#include "Document.h" |
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#include "InlineTextBox.h" |
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#include "VisiblePosition.h" |
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namespace WebCore { |
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RenderBR::RenderBR(Node* node) |
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: RenderText(node, StringImpl::create("\n")) |
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, m_lineHeight(-1) |
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{ |
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} |
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RenderBR::~RenderBR() |
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{ |
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} |
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int RenderBR::baselinePosition(bool firstLine, bool isRootLineBox) const |
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{ |
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if (firstTextBox() && !firstTextBox()->isText()) |
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return 0; |
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return RenderText::baselinePosition(firstLine, isRootLineBox); |
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} |
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int RenderBR::lineHeight(bool firstLine, bool /*isRootLineBox*/) const |
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{ |
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if (firstTextBox() && !firstTextBox()->isText()) |
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return 0; |
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if (firstLine) { |
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RenderStyle* s = style(firstLine); |
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Length lh = s->lineHeight(); |
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if (lh.isNegative()) { |
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if (s == style()) { |
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if (m_lineHeight == -1) |
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m_lineHeight = RenderObject::lineHeight(false); |
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return m_lineHeight; |
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} |
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return s->font().lineSpacing(); |
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} |
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if (lh.isPercent()) |
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return lh.calcMinValue(s->fontSize()); |
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return lh.value(); |
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} |
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|
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if (m_lineHeight == -1) |
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m_lineHeight = RenderObject::lineHeight(false); |
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return m_lineHeight; |
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} |
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void RenderBR::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
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{ |
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RenderText::styleDidChange(diff, oldStyle); |
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m_lineHeight = -1; |
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} |
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int RenderBR::caretMinOffset() const |
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{ |
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return 0; |
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} |
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int RenderBR::caretMaxOffset() const |
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{ |
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return 1; |
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} |
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unsigned RenderBR::caretMaxRenderedOffset() const |
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{ |
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return 1; |
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} |
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VisiblePosition RenderBR::positionForPoint(const IntPoint&) |
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{ |
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return createVisiblePosition(0, DOWNSTREAM); |
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} |
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} // namespace WebCore |