| /* |
| * Copyright (C) 2019 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 |
| |
| #if ENABLE(LAYOUT_FORMATTING_CONTEXT) |
| |
| #include "InlineLineBreaker.h" |
| #include "InlineLineBuilder.h" |
| |
| namespace WebCore { |
| namespace Layout { |
| |
| class LineLayoutContext { |
| public: |
| LineLayoutContext(const InlineFormattingContext&, const Container& formattingContextRoot, const InlineItems&); |
| |
| struct PartialContent { |
| // This will potentially gain some more members. |
| unsigned length { 0 }; |
| }; |
| struct LineContent { |
| Optional<unsigned> trailingInlineItemIndex; |
| Optional<PartialContent> overflowPartialContent; |
| Vector<WeakPtr<InlineItem>> floats; |
| const LineBuilder::RunList runList; |
| const LineBox lineBox; |
| }; |
| LineContent layoutLine(LineBuilder&, unsigned leadingInlineItemIndex, Optional<PartialContent> leadingPartialContent); |
| |
| private: |
| const InlineFormattingContext& formattingContext() const { return m_inlineFormattingContext; } |
| enum class IsEndOfLine { No, Yes }; |
| IsEndOfLine placeInlineItem(LineBuilder&, const InlineItem&); |
| void commitPendingContent(LineBuilder&); |
| LineContent close(LineBuilder&, unsigned leadingInlineItemIndex); |
| bool shouldProcessUncommittedContent(const InlineItem&) const; |
| IsEndOfLine processUncommittedContent(LineBuilder&); |
| |
| const InlineFormattingContext& m_inlineFormattingContext; |
| const Container& m_formattingContextRoot; |
| const InlineItems& m_inlineItems; |
| LineBreaker::Content m_uncommittedContent; |
| unsigned m_committedInlineItemCount { 0 }; |
| Vector<WeakPtr<InlineItem>> m_floats; |
| std::unique_ptr<InlineTextItem> m_leadingPartialTextItem; |
| std::unique_ptr<InlineTextItem> m_trailingPartialTextItem; |
| Optional<PartialContent> m_overflowPartialContent; |
| unsigned m_successiveHyphenatedLineCount { 0 }; |
| }; |
| |
| } |
| } |
| #endif |