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
83
|
/*
* 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 "LayoutIntegrationBoxTreeUpdater.h"
#include "LayoutState.h"
#include "RenderObjectEnums.h"
#include <wtf/CheckedPtr.h>
#include <wtf/TZoneMalloc.h>
namespace WebCore {
class HitTestLocation;
class HitTestRequest;
class HitTestResult;
class RenderBlock;
class RenderFlexibleBox;
class RenderStyle;
struct PaintInfo;
namespace LayoutIntegration {
class FlexLayout final : public CanMakeCheckedPtr<FlexLayout> {
WTF_MAKE_TZONE_ALLOCATED(FlexLayout);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(FlexLayout);
public:
FlexLayout(RenderFlexibleBox&);
~FlexLayout();
void updateFormattingContexGeometries();
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 contentBoxLogicalHeight() const;
private:
void updateRenderers();
const Layout::ElementBox& flexBox() const { return *m_flexBox; }
Layout::ElementBox& flexBox() { return *m_flexBox; }
const RenderFlexibleBox& flexBoxRenderer() const { return downcast<RenderFlexibleBox>(*m_flexBox->rendererForIntegration()); }
RenderFlexibleBox& flexBoxRenderer() { return downcast<RenderFlexibleBox>(*m_flexBox->rendererForIntegration()); }
Layout::LayoutState& layoutState() { return *m_layoutState; }
const Layout::LayoutState& layoutState() const { return *m_layoutState; }
CheckedPtr<Layout::ElementBox> m_flexBox;
WeakPtr<Layout::LayoutState> m_layoutState;
};
}
}
|
