| /* |
| * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2016 Apple Inc. All right reserved. |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2013 ChangSeok Oh <shivamidow@gmail.com> |
| * Copyright (C) 2013 Adobe Systems Inc. All right reserved. |
| * |
| * 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. |
| * |
| */ |
| |
| #pragma once |
| |
| #include <wtf/Vector.h> |
| |
| namespace WebCore { |
| |
| class LegacyInlineIterator; |
| class RenderBoxModelObject; |
| class RenderText; |
| |
| struct BidiRun; |
| struct BidiIsolatedRun; |
| |
| template <class Iterator, class Run> class BidiResolver; |
| template <class Iterator, class Run, class IsolateRun> class BidiResolverWithIsolate; |
| template <class Iterator> class WhitespaceCollapsingState; |
| typedef BidiResolverWithIsolate<LegacyInlineIterator, BidiRun, BidiIsolatedRun> InlineBidiResolver; |
| typedef WhitespaceCollapsingState<LegacyInlineIterator> LineWhitespaceCollapsingState; |
| |
| class TrailingObjects { |
| public: |
| void setTrailingWhitespace(RenderText& whitespace) { m_whitespace = &whitespace; } |
| void clear() |
| { |
| m_whitespace = { }; |
| m_boxes.shrink(0); // Use shrink(0) instead of clear() to retain our capacity. |
| } |
| |
| void appendBoxIfNeeded(RenderBoxModelObject& box) |
| { |
| if (m_whitespace) |
| m_boxes.append(box); |
| } |
| |
| enum class CollapseFirstSpace { No, Yes }; |
| void updateWhitespaceCollapsingTransitionsForTrailingBoxes(LineWhitespaceCollapsingState&, const LegacyInlineIterator& lBreak, CollapseFirstSpace); |
| |
| private: |
| RenderText* m_whitespace { nullptr }; |
| Vector<std::reference_wrapper<RenderBoxModelObject>, 4> m_boxes; |
| }; |
| |
| } // namespace WebCore |