| /* |
| * 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. |
| * Copyright (C) 2013 Adobe Systems Incorporated. |
| * |
| * 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 "sky/engine/core/rendering/line/BreakingContextInlineHeaders.h" |
| |
| namespace blink { |
| |
| InlineIterator BreakingContext::handleEndOfLine() |
| { |
| if (m_lineBreak == m_resolver.position() && !m_lineBreak.object()) { |
| // we just add as much as possible |
| if (m_blockStyle->whiteSpace() == PRE && !m_current.offset()) { |
| m_lineBreak.moveTo(m_lastObject, m_lastObject->isText() ? m_lastObject->length() : 0); |
| } else if (m_lineBreak.object()) { |
| // Don't ever break in the middle of a word if we can help it. |
| // There's no room at all. We just have to be on this line, |
| // even though we'll spill out. |
| m_lineBreak.moveTo(m_current.object(), m_current.offset()); |
| } |
| } |
| |
| // FIXME Bug 100049: We do not need to consume input in a multi-segment line |
| // unless no segment will. |
| if (m_lineBreak == m_resolver.position()) |
| m_lineBreak.increment(); |
| |
| // Sanity check our midpoints. |
| m_lineMidpointState.checkMidpoints(m_lineBreak); |
| |
| m_trailingObjects.updateMidpointsForTrailingObjects(m_lineMidpointState, m_lineBreak, TrailingObjects::CollapseFirstSpace); |
| |
| // We might have made lineBreak an iterator that points past the end |
| // of the object. Do this adjustment to make it point to the start |
| // of the next object instead to avoid confusing the rest of the |
| // code. |
| if (m_lineBreak.offset()) { |
| // This loop enforces the invariant that line breaks should never point |
| // at an empty inline. See http://crbug.com/305904. |
| do { |
| m_lineBreak.setOffset(m_lineBreak.offset() - 1); |
| m_lineBreak.increment(); |
| } while (!m_lineBreak.atEnd() && isEmptyInline(m_lineBreak.object())); |
| } |
| |
| return m_lineBreak; |
| } |
| |
| } |