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/*
* Copyright (C) 2021 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "InlineContentCache.h"
#include "InlineItem.h"
#include "InlineLineTypes.h"
#include "LayoutElementBox.h"
#include "SecurityOrigin.h"
#include <wtf/HashMap.h>
#include <wtf/text/StringBuilder.h>
#include <wtf/text/WTFString.h>
namespace WebCore {
namespace Layout {
class InlineTextBox;
class InlineItemsBuilder {
public:
InlineItemsBuilder(InlineContentCache&, const ElementBox& root, const SecurityOrigin&);
void build(InlineItemPosition startPosition);
static void populateBreakingPositionCache(const InlineItemList&, const Document&);
private:
void collectInlineItems(InlineItemList&, InlineItemPosition startPosition);
using LayoutQueue = Vector<CheckedRef<const Box>, 8>;
LayoutQueue initializeLayoutQueue(InlineItemPosition startPosition);
LayoutQueue traverseUntilDamaged(const Box& firstDamagedLayoutBox);
void breakAndComputeBidiLevels(InlineItemList&);
InlineContentCache::InlineItems::ContentAttributes computeContentAttributesAndInlineTextItemWidths(InlineItemList&, InlineItemPosition damagePosition, const InlineItemList& damagedItemList);
void handleTextContent(const InlineTextBox&, InlineItemList&, std::optional<size_t> partialContentOffset);
bool buildInlineItemListForTextFromBreakingPositionsCache(const InlineTextBox&, InlineItemList&);
void handleInlineBoxStart(const Box&, InlineItemList&);
void handleInlineBoxEnd(const Box&, InlineItemList&);
void handleInlineLevelBox(const Box&, InlineItemList&);
bool contentRequiresVisualReordering() const { return m_contentRequiresVisualReordering; }
void computeInlineBoxBoundaryTextSpacings(const InlineItemList&);
const ElementBox& root() const { return m_root; }
InlineContentCache& inlineContentCache() { return m_inlineContentCache; }
private:
InlineContentCache& m_inlineContentCache;
const ElementBox& m_root;
const SecurityOrigin& m_securityOrigin;
bool m_contentRequiresVisualReordering { false };
bool m_hasTextAutospace { !root().style().textAutospace().isNoAutospace() };
std::optional<bool> m_textContentPopulatedFromCache { };
};
}
}
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