| /* |
| * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. |
| * All right reserved. |
| * Copyright (C) 2010 Google Inc. All rights 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. |
| * |
| */ |
| |
| #ifndef THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LINE_LINE_BREAKER_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LINE_LINE_BREAKER_H_ |
| |
| #include "third_party/blink/renderer/core/layout/api/line_layout_block_flow.h" |
| #include "third_party/blink/renderer/core/layout/line/inline_iterator.h" |
| #include "third_party/blink/renderer/core/layout/line/line_info.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| #include "third_party/blink/renderer/platform/wtf/vector.h" |
| |
| namespace blink { |
| |
| enum WhitespacePosition { kLeadingWhitespace, kTrailingWhitespace }; |
| |
| struct LayoutTextInfo; |
| |
| class LineBreaker { |
| STACK_ALLOCATED(); |
| |
| public: |
| friend class BreakingContext; |
| LineBreaker(LineLayoutBlockFlow block) : block_(block) { Reset(); } |
| |
| InlineIterator NextLineBreak(InlineBidiResolver&, |
| LineInfo&, |
| LayoutTextInfo&, |
| WordMeasurements&); |
| |
| bool LineWasHyphenated() { return hyphenated_; } |
| const Vector<LineLayoutBox>& PositionedObjects() { |
| return positioned_objects_; |
| } |
| EClear Clear() { return clear_; } |
| |
| private: |
| void Reset(); |
| |
| void SkipLeadingWhitespace(InlineBidiResolver&, LineInfo&, LineWidth&); |
| |
| LineLayoutBlockFlow block_; |
| bool hyphenated_; |
| EClear clear_; |
| Vector<LineLayoutBox> positioned_objects_; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_LAYOUT_LINE_LINE_BREAKER_H_ |