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/**
* Copyright (C) 2024 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 "LocalFrameViewLayoutContext.h"
#include <wtf/CheckedPtr.h>
namespace WebCore {
class TextBoxTrimmer {
public:
TextBoxTrimmer(const RenderBlockFlow& blockContainer);
TextBoxTrimmer(const RenderBlockFlow& blockContainer, const RenderBlockFlow& lastFormattedLineRoot);
~TextBoxTrimmer();
static RenderBlockFlow* lastInlineFormattingContextRootForTrimEnd(const RenderBlockFlow& blockContainer);
private:
void adjustTextBoxTrimStatusBeforeLayout(const RenderBlockFlow* lastFormattedLineRoot);
void adjustTextBoxTrimStatusAfterLayout();
void handleTextBoxTrimNoneBeforeLayout();
CheckedPtr<const RenderBlockFlow> m_blockContainer;
std::optional<LocalFrameViewLayoutContext::TextBoxTrim> m_previousTextBoxTrimStatus { };
bool m_shouldRestoreTextBoxTrimStatus { false };
};
}
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