| /* |
| * 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 "FormattingContext.h" |
| #include "LayoutUnit.h" |
| #include <wtf/IsoMalloc.h> |
| |
| namespace WebCore { |
| |
| namespace Layout { |
| |
| class BlockFormattingState; |
| class Box; |
| |
| // This class implements the layout logic for block formatting contexts. |
| // https://www.w3.org/TR/CSS22/visuren.html#block-formatting |
| class BlockFormattingContext : public FormattingContext { |
| WTF_MAKE_ISO_ALLOCATED(BlockFormattingContext); |
| public: |
| BlockFormattingContext(const Box& formattingContextRoot, LayoutContext&); |
| |
| void layout(LayoutContext&, FormattingState&) const override; |
| std::unique_ptr<FormattingState> createFormattingState(Ref<FloatingState>&&) const override; |
| Ref<FloatingState> createOrFindFloatingState() const override; |
| |
| protected: |
| void computeStaticPosition(const Box&) const override; |
| |
| void computeWidth(const Box&) const override; |
| void computeHeight(const Box&) const override; |
| |
| LayoutUnit marginTop(const Box&) const override; |
| LayoutUnit marginBottom(const Box&) const override; |
| }; |
| |
| } |
| } |
| #endif |
| |