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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 "InlineDamage.h"
#include "InlineDisplayContent.h"
#include <optional>
#include <wtf/Forward.h>
namespace WebCore {
class RenderStyle;
namespace Layout {
class Box;
class ElementBox;
class InlineTextBox;
struct InvalidatedLine;
class InlineInvalidation {
public:
InlineInvalidation(InlineDamage&, const InlineItemList&, const InlineDisplay::Content&);
bool rootStyleWillChange(const ElementBox& formattingContextRoot, const RenderStyle& newStyle);
bool styleWillChange(const Box&, const RenderStyle& newStyle, StyleDifference);
bool textInserted(const InlineTextBox& newOrDamagedInlineTextBox, std::optional<size_t> offset = { });
bool textWillBeRemoved(const InlineTextBox&, std::optional<size_t> offset = { });
bool inlineLevelBoxInserted(const Box&);
bool inlineLevelBoxWillBeRemoved(const Box&);
bool inlineLevelBoxContentWillChange(const Box&);
bool restartForPagination(size_t lineIndex, LayoutUnit pageTopAdjustment);
static bool mayOnlyNeedPartialLayout(const InlineDamage* inlineDamage) { return inlineDamage && inlineDamage->layoutStartPosition(); }
static void resetInlineDamage(InlineDamage&);
private:
enum class ShouldApplyRangeLayout : bool { No, Yes };
bool updateInlineDamage(const InvalidatedLine&, InlineDamage::Reason, ShouldApplyRangeLayout = ShouldApplyRangeLayout::No, LayoutUnit restartPaginationAdjustment = 0_lu);
bool setFullLayoutIfNeeded(const Box&);
const InlineDisplay::Boxes& displayBoxes() const { return m_displayContent.boxes; }
const InlineDisplay::Lines& displayLines() const { return m_displayContent.lines; }
InlineDamage& m_inlineDamage;
const InlineItemList& m_inlineItemList;
const InlineDisplay::Content& m_displayContent;
};
}
}
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