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e0fd75b5ab
This caused us to lose our gn check certification. :( Turns out gn check was just ignoring all the header paths it didn't understand and so gn check passing for sky wasn't meaning much. I tried to straighten out some of the mess in this CL, but its going to take several more rounds of massaging before gn check passes again. On the bright side (almost) all of our headers are absolute now. Turns out my script (attached to the bug) didn't notice ../ includes but I'll fix that in the next patch. R=abarth@chromium.org BUG=435361 Review URL: https://codereview.chromium.org/746023002
116 lines
4.4 KiB
C++
116 lines
4.4 KiB
C++
/*
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* Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
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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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#ifndef RenderOverflow_h
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#define RenderOverflow_h
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#include "sky/engine/platform/geometry/LayoutRect.h"
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namespace blink
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{
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// RenderOverflow is a class for tracking content that spills out of a box. This class is used by RenderBox and
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// InlineFlowBox.
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//
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// There are two types of overflow: layout overflow (which is expected to be reachable via scrolling mechanisms) and
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// visual overflow (which is not expected to be reachable via scrolling mechanisms).
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//
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// Layout overflow examples include other boxes that spill out of our box, For example, in the inline case a tall image
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// could spill out of a line box.
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// Examples of visual overflow are shadows, text stroke (and eventually outline and border-image).
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// This object is allocated only when some of these fields have non-default values in the owning box.
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class RenderOverflow {
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WTF_MAKE_NONCOPYABLE(RenderOverflow); WTF_MAKE_FAST_ALLOCATED;
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public:
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RenderOverflow(const LayoutRect& layoutRect, const LayoutRect& visualRect)
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: m_layoutOverflow(layoutRect)
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, m_visualOverflow(visualRect)
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{
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}
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const LayoutRect layoutOverflowRect() const { return m_layoutOverflow; }
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const LayoutRect visualOverflowRect() const { return m_visualOverflow; }
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LayoutRect contentsVisualOverflowRect() const { return m_contentsVisualOverflow; }
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void move(LayoutUnit dx, LayoutUnit dy);
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void addLayoutOverflow(const LayoutRect&);
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void addVisualOverflow(const LayoutRect&);
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void addContentsVisualOverflow(const LayoutRect& rect) { m_contentsVisualOverflow.unite(rect); }
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void setLayoutOverflow(const LayoutRect&);
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void setVisualOverflow(const LayoutRect&);
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LayoutUnit layoutClientAfterEdge() const { return m_layoutClientAfterEdge; }
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void setLayoutClientAfterEdge(LayoutUnit clientAfterEdge) { m_layoutClientAfterEdge = clientAfterEdge; }
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private:
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LayoutRect m_layoutOverflow;
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LayoutRect m_visualOverflow;
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LayoutRect m_contentsVisualOverflow;
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LayoutUnit m_layoutClientAfterEdge;
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};
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inline void RenderOverflow::move(LayoutUnit dx, LayoutUnit dy)
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{
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m_layoutOverflow.move(dx, dy);
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m_visualOverflow.move(dx, dy);
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m_contentsVisualOverflow.move(dx, dy);
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}
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inline void RenderOverflow::addLayoutOverflow(const LayoutRect& rect)
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{
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LayoutUnit maxX = std::max(rect.maxX(), m_layoutOverflow.maxX());
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LayoutUnit maxY = std::max(rect.maxY(), m_layoutOverflow.maxY());
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LayoutUnit minX = std::min(rect.x(), m_layoutOverflow.x());
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LayoutUnit minY = std::min(rect.y(), m_layoutOverflow.y());
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// In case the width/height is larger than LayoutUnit can represent, fix the right/bottom edge and shift the top/left ones
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m_layoutOverflow.setWidth(maxX - minX);
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m_layoutOverflow.setHeight(maxY - minY);
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m_layoutOverflow.setX(maxX - m_layoutOverflow.width());
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m_layoutOverflow.setY(maxY - m_layoutOverflow.height());
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}
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inline void RenderOverflow::addVisualOverflow(const LayoutRect& rect)
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{
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LayoutUnit maxX = std::max(rect.maxX(), m_visualOverflow.maxX());
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LayoutUnit maxY = std::max(rect.maxY(), m_visualOverflow.maxY());
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m_visualOverflow.setX(std::min(rect.x(), m_visualOverflow.x()));
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m_visualOverflow.setY(std::min(rect.y(), m_visualOverflow.y()));
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m_visualOverflow.setWidth(maxX - m_visualOverflow.x());
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m_visualOverflow.setHeight(maxY - m_visualOverflow.y());
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}
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inline void RenderOverflow::setLayoutOverflow(const LayoutRect& rect)
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{
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m_layoutOverflow = rect;
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}
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inline void RenderOverflow::setVisualOverflow(const LayoutRect& rect)
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{
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m_visualOverflow = rect;
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}
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} // namespace blink
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#endif // RenderOverflow_h
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