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/*
* Copyright (C) 1999 Lars Knoll (knoll@kde.org)
* (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2003-2021 Apple 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.
*
*/
#pragma once
#include "RenderBox.h"
namespace WebCore {
class CSSCounterStyle;
class RenderListItem;
class StyleRuleCounterStyle;
struct ListMarkerTextContent {
String textWithSuffix;
uint32_t textWithoutSuffixLength { 0 };
TextDirection textDirection { TextDirection::LTR };
bool isEmpty() const
{
return textWithSuffix.isEmpty();
}
StringView textWithoutSuffix() const LIFETIME_BOUND
{
return StringView { textWithSuffix }.left(textWithoutSuffixLength);
}
StringView suffix() const LIFETIME_BOUND
{
return StringView { textWithSuffix }.substring(textWithoutSuffixLength);
}
};
// Used to render the list item's marker.
// The RenderListMarker always has to be a child of a RenderListItem.
class RenderListMarker final : public RenderBox {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderListMarker);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderListMarker);
public:
RenderListMarker(RenderListItem&, RenderStyle&&);
virtual ~RenderListMarker();
String textWithoutSuffix() const { return m_textContent.textWithoutSuffix().toString(); };
String textWithSuffix() const { return m_textContent.textWithSuffix; };
bool isInside() const;
void updateInlineMarginsAndContent();
bool isImage() const final;
LayoutUnit lineLogicalOffsetForListItem() const { return m_lineLogicalOffsetForListItem; }
const RenderListItem* listItem() const;
private:
void willBeDestroyed() final;
ASCIILiteral renderName() const final { return "RenderListMarker"_s; }
void computePreferredLogicalWidths() final;
bool canHaveChildren() const final { return false; }
void paint(PaintInfo&, const LayoutPoint&) final;
void layout() final;
void imageChanged(WrappedImagePtr, const IntRect*) final;
LayoutUnit lineHeight(bool firstLine, LineDirectionMode, LinePositionMode) const final;
LayoutUnit baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode) const final;
LayoutRect selectionRectForRepaint(const RenderLayerModelObject* repaintContainer, bool clipToVisibleContent) final;
bool canBeSelectionLeaf() const final { return true; }
void styleWillChange(StyleDifference, const RenderStyle& newStyle) final;
void styleDidChange(StyleDifference, const RenderStyle* oldStyle) final;
void computeIntrinsicLogicalWidths(LayoutUnit&, LayoutUnit&) const override { ASSERT_NOT_REACHED(); }
void element() const = delete;
void updateInlineMargins();
void updateContent();
RenderBox* parentBox(RenderBox&);
FloatRect relativeMarkerRect();
LayoutRect localSelectionRect();
RefPtr<CSSCounterStyle> counterStyle() const;
bool widthUsesMetricsOfPrimaryFont() const;
ListMarkerTextContent m_textContent;
RefPtr<StyleImage> m_image;
SingleThreadWeakPtr<RenderListItem> m_listItem;
LayoutUnit m_lineOffsetForListItem;
LayoutUnit m_lineLogicalOffsetForListItem;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderListMarker, isRenderListMarker())
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