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/*
* This file is part of the render object implementation for KHTML.
*
* Copyright (C) 2003 Apple Inc.
*
* 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 "RenderBlock.h"
namespace WebCore {
class FlexBoxIterator;
class RenderDeprecatedFlexibleBox final : public RenderBlock {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderDeprecatedFlexibleBox);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderDeprecatedFlexibleBox);
public:
RenderDeprecatedFlexibleBox(Element&, RenderStyle&&);
virtual ~RenderDeprecatedFlexibleBox();
Element& element() const { return downcast<Element>(nodeForNonAnonymous()); }
ASCIILiteral renderName() const override;
void styleWillChange(StyleDifference, const RenderStyle& newStyle) override;
void layoutBlock(RelayoutChildren, LayoutUnit pageHeight = 0_lu) override;
void layoutHorizontalBox(RelayoutChildren);
void layoutVerticalBox(RelayoutChildren);
bool isStretchingChildren() const { return m_stretchingChildren; }
bool canDropAnonymousBlockChild() const override { return false; }
private:
void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
void computePreferredLogicalWidths() override;
LayoutUnit allowedChildFlex(RenderBox* child, bool expanding, unsigned group);
void placeChild(RenderBox* child, const LayoutPoint& location, LayoutSize* childLayoutDelta = nullptr);
bool hasMultipleLines() const { return style().boxLines() == BoxLines::Multiple; }
bool isVertical() const { return style().boxOrient() == BoxOrient::Vertical; }
bool isHorizontal() const { return style().boxOrient() == BoxOrient::Horizontal; }
struct ClampedContent {
LayoutUnit contentHeight;
SingleThreadWeakPtr<const RenderBlockFlow> renderer;
};
ClampedContent applyLineClamp(FlexBoxIterator&, RelayoutChildren);
void clearLineClamp();
bool m_stretchingChildren;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderDeprecatedFlexibleBox, isRenderDeprecatedFlexibleBox())
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