| /* |
| * Copyright (C) 2018 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 "FormattingState.h" |
| #include "InlineDisplayBox.h" |
| #include "InlineDisplayLine.h" |
| #include "InlineItem.h" |
| #include "InlineLineBox.h" |
| #include <wtf/IsoMalloc.h> |
| |
| namespace WebCore { |
| namespace Layout { |
| |
| using InlineItems = Vector<InlineItem>; |
| using InlineLineBoxes = Vector<LineBox>; |
| using DisplayLines = Vector<InlineDisplay::Line>; |
| using DisplayBoxes = Vector<InlineDisplay::Box>; |
| |
| // InlineFormattingState holds the state for a particular inline formatting context tree. |
| class InlineFormattingState : public FormattingState { |
| WTF_MAKE_ISO_ALLOCATED(InlineFormattingState); |
| public: |
| InlineFormattingState(Ref<FloatingState>&&, LayoutState&); |
| ~InlineFormattingState(); |
| |
| InlineItems& inlineItems() { return m_inlineItems; } |
| const InlineItems& inlineItems() const { return m_inlineItems; } |
| void addInlineItems(InlineItems&& inlineItems) { m_inlineItems.appendVector(WTFMove(inlineItems)); } |
| |
| const InlineLineBoxes& lineBoxes() const { return m_lineBoxes; } |
| void addLineBox(LineBox&& lineBox) { m_lineBoxes.append(WTFMove(lineBox)); } |
| |
| const DisplayLines& lines() const { return m_displayLines; } |
| DisplayLines& lines() { return m_displayLines; } |
| void addLine(const InlineDisplay::Line& line) { m_displayLines.append(line); } |
| |
| const DisplayBoxes& boxes() const { return m_displayBoxes; } |
| DisplayBoxes& boxes() { return m_displayBoxes; } |
| void addBoxes(DisplayBoxes&& boxes) { m_displayBoxes.appendVector(WTFMove(boxes)); } |
| |
| void setClearGapAfterLastLine(InlineLayoutUnit verticalGap); |
| InlineLayoutUnit clearGapAfterLastLine() const { return m_clearGapAfterLastLine; } |
| |
| void clearInlineItems() { m_inlineItems.clear(); } |
| void clearLineAndBoxes(); |
| void shrinkToFit(); |
| |
| private: |
| // Cacheable input to line layout. |
| InlineItems m_inlineItems; |
| InlineLineBoxes m_lineBoxes; |
| DisplayLines m_displayLines; |
| DisplayBoxes m_displayBoxes; |
| InlineLayoutUnit m_clearGapAfterLastLine { 0 }; |
| }; |
| |
| inline void InlineFormattingState::setClearGapAfterLastLine(InlineLayoutUnit verticalGap) |
| { |
| ASSERT(verticalGap >= 0); |
| m_clearGapAfterLastLine = verticalGap; |
| } |
| |
| inline void InlineFormattingState::clearLineAndBoxes() |
| { |
| m_lineBoxes.clear(); |
| m_displayBoxes.clear(); |
| m_displayLines.clear(); |
| m_clearGapAfterLastLine = { }; |
| } |
| |
| inline void InlineFormattingState::shrinkToFit() |
| { |
| m_inlineItems.shrinkToFit(); |
| m_displayLines.shrinkToFit(); |
| m_lineBoxes.shrinkToFit(); |
| m_displayBoxes.shrinkToFit(); |
| } |
| |
| } |
| } |
| |
| SPECIALIZE_TYPE_TRAITS_LAYOUT_FORMATTING_STATE(InlineFormattingState, isInlineFormattingState()) |
| |
| #endif |