1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82
|
/*
* Copyright (C) 2022 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 "FlexFormattingState.h"
#include "LayoutIntegrationBoxTree.h"
#include "LayoutState.h"
#include "RenderObjectEnums.h"
#include <wtf/CheckedPtr.h>
namespace WebCore {
class HitTestLocation;
class HitTestRequest;
class HitTestResult;
class RenderBlock;
class RenderFlexibleBox;
class RenderStyle;
struct PaintInfo;
namespace LayoutIntegration {
class FlexLayout : public CanMakeCheckedPtr {
WTF_MAKE_FAST_ALLOCATED;
public:
FlexLayout(RenderFlexibleBox&);
void updateFormattingRootGeometryAndInvalidate();
void updateFlexItemDimensions(const RenderBlock& flexItem, LayoutUnit minimumContentSize, LayoutUnit maximumContentSize);
void updateStyle(const RenderBlock&, const RenderStyle& oldStyle);
std::pair<LayoutUnit, LayoutUnit> computeIntrinsicWidthConstraints();
void layout();
void paint(PaintInfo&, const LayoutPoint& paintOffset);
bool hitTest(const HitTestRequest&, HitTestResult&, const HitTestLocation&, const LayoutPoint& accumulatedOffset, HitTestAction);
void collectOverflow();
LayoutUnit contentLogicalHeight() const;
private:
void updateRenderers() const;
const Layout::ElementBox& flexBox() const { return m_boxTree.rootLayoutBox(); }
Layout::ElementBox& flexBox() { return m_boxTree.rootLayoutBox(); }
const RenderFlexibleBox& flexBoxRenderer() const { return downcast<RenderFlexibleBox>(m_boxTree.rootRenderer()); }
RenderFlexibleBox& flexBoxRenderer() { return downcast<RenderFlexibleBox>(m_boxTree.rootRenderer()); }
Layout::LayoutState& layoutState() { return *m_layoutState; }
BoxTree m_boxTree;
WeakPtr<Layout::LayoutState> m_layoutState;
Layout::FlexFormattingState& m_flexFormattingState;
};
}
}
|