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
84
85
86
|
/*
* Copyright (C) 2005-2022 Apple Inc.
* Copyright (C) 2022 Google Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#pragma once
#include "RenderFlexibleBox.h"
#include "RenderTextFragment.h"
#include <memory>
namespace WebCore {
class HTMLFormControlElement;
class RenderTextFragment;
// RenderButtons are just like normal flexboxes except that they will generate an anonymous block child.
// For inputs, they will also generate an anonymous RenderText and keep its style and content up
// to date as the button changes.
class RenderButton final : public RenderFlexibleBox {
WTF_MAKE_TZONE_OR_ISO_ALLOCATED(RenderButton);
WTF_OVERRIDE_DELETE_FOR_CHECKED_PTR(RenderButton);
public:
RenderButton(HTMLFormControlElement&, RenderStyle&&);
virtual ~RenderButton();
HTMLFormControlElement& formControlElement() const;
bool canBeSelectionLeaf() const override;
bool createsAnonymousWrapper() const override { return true; }
void updateFromElement() override;
bool canHaveGeneratedChildren() const override;
bool hasControlClip() const override;
LayoutRect controlClipRect(const LayoutPoint&) const override;
void updateAnonymousChildStyle(RenderStyle&) const override;
void setText(const String&);
String text() const;
#if PLATFORM(IOS_FAMILY)
void layout() override;
#endif
RenderTextFragment* textRenderer() const { return m_buttonText.get(); }
RenderBlock* innerRenderer() const { return m_inner.get(); }
void setInnerRenderer(RenderBlock&);
LayoutUnit baselinePosition(FontBaseline, bool firstLine, LineDirectionMode, LinePositionMode = PositionOnContainingLine) const override;
private:
void element() const = delete;
ASCIILiteral renderName() const override { return "RenderButton"_s; }
bool hasLineIfEmpty() const override;
bool isFlexibleBoxImpl() const override { return true; }
SingleThreadWeakPtr<RenderTextFragment> m_buttonText;
SingleThreadWeakPtr<RenderBlock> m_inner;
};
} // namespace WebCore
SPECIALIZE_TYPE_TRAITS_RENDER_OBJECT(RenderButton, isRenderButton())
|
