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
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
/*
* Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
*
* 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.
*
*/
#include "config.h"
#include "HTMLSummaryElement.h"
#include "DetailsMarkerControl.h"
#include "ElementInlines.h"
#include "EventNames.h"
#include "HTMLDetailsElement.h"
#include "HTMLFormControlElement.h"
#include "HTMLSlotElement.h"
#include "KeyboardEvent.h"
#include "MouseEvent.h"
#include "PlatformMouseEvent.h"
#include "RenderBlockFlow.h"
#include "ShadowRoot.h"
#include "SlotAssignment.h"
#include <wtf/IsoMallocInlines.h>
namespace WebCore {
WTF_MAKE_ISO_ALLOCATED_IMPL(HTMLSummaryElement);
using namespace HTMLNames;
class SummarySlotAssignment final : public NamedSlotAssignment {
private:
void hostChildElementDidChange(const Element&, ShadowRoot& shadowRoot) final
{
didChangeSlot(NamedSlotAssignment::defaultSlotName(), shadowRoot);
}
const AtomString& slotNameForHostChild(const Node&) const final { return NamedSlotAssignment::defaultSlotName(); }
};
Ref<HTMLSummaryElement> HTMLSummaryElement::create(const QualifiedName& tagName, Document& document)
{
Ref<HTMLSummaryElement> summary = adoptRef(*new HTMLSummaryElement(tagName, document));
summary->addShadowRoot(ShadowRoot::create(document, makeUnique<SummarySlotAssignment>()));
return summary;
}
HTMLSummaryElement::HTMLSummaryElement(const QualifiedName& tagName, Document& document)
: HTMLElement(tagName, document)
{
ASSERT(hasTagName(summaryTag));
}
RenderPtr<RenderElement> HTMLSummaryElement::createElementRenderer(RenderStyle&& style, const RenderTreePosition&)
{
// <summary> elements with display:list-item should not be rendered as list items because they'd end up with two markers before the text (one from summary element and the other as a list item).
return RenderElement::createFor(*this, WTFMove(style), { RenderElement::ConstructBlockLevelRendererFor::ListItem, RenderElement::ConstructBlockLevelRendererFor::Inline, RenderElement::ConstructBlockLevelRendererFor::TableOrTablePart });
}
void HTMLSummaryElement::didAddUserAgentShadowRoot(ShadowRoot& root)
{
root.appendChild(DetailsMarkerControl::create(document()));
root.appendChild(HTMLSlotElement::create(slotTag, document()));
}
RefPtr<HTMLDetailsElement> HTMLSummaryElement::detailsElement() const
{
auto* parent = parentElement();
if (parent && is<HTMLDetailsElement>(*parent))
return downcast<HTMLDetailsElement>(parent);
// Fallback summary element is in the shadow tree.
auto* host = shadowHost();
if (host && is<HTMLDetailsElement>(*host))
return downcast<HTMLDetailsElement>(host);
return nullptr;
}
bool HTMLSummaryElement::isActiveSummary() const
{
RefPtr<HTMLDetailsElement> details = detailsElement();
if (!details)
return false;
return details->isActiveSummary(*this);
}
static bool isClickableControl(EventTarget* target)
{
if (!is<Element>(target))
return false;
auto& element = downcast<Element>(*target);
return is<HTMLFormControlElement>(element) || is<HTMLFormControlElement>(element.shadowHost());
}
int HTMLSummaryElement::defaultTabIndex() const
{
return isActiveSummary() ? 0 : -1;
}
bool HTMLSummaryElement::supportsFocus() const
{
return isActiveSummary() || HTMLElement::supportsFocus();
}
void HTMLSummaryElement::defaultEventHandler(Event& event)
{
if (isActiveSummary()) {
auto& eventNames = WebCore::eventNames();
if (event.type() == eventNames.DOMActivateEvent && !isClickableControl(event.target())) {
if (RefPtr<HTMLDetailsElement> details = detailsElement())
details->toggleOpen();
event.setDefaultHandled();
return;
}
if (is<KeyboardEvent>(event)) {
KeyboardEvent& keyboardEvent = downcast<KeyboardEvent>(event);
if (keyboardEvent.type() == eventNames.keydownEvent && keyboardEvent.keyIdentifier() == "U+0020"_s) {
setActive(true);
// No setDefaultHandled() - IE dispatches a keypress in this case.
return;
}
if (keyboardEvent.type() == eventNames.keypressEvent) {
switch (keyboardEvent.charCode()) {
case '\r':
dispatchSimulatedClick(&event);
keyboardEvent.setDefaultHandled();
return;
case ' ':
// Prevent scrolling down the page.
keyboardEvent.setDefaultHandled();
return;
}
}
if (keyboardEvent.type() == eventNames.keyupEvent && keyboardEvent.keyIdentifier() == "U+0020"_s) {
if (active())
dispatchSimulatedClick(&event);
keyboardEvent.setDefaultHandled();
return;
}
}
}
HTMLElement::defaultEventHandler(event);
}
bool HTMLSummaryElement::willRespondToMouseClickEventsWithEditability(Editability editability) const
{
return isActiveSummary() || HTMLElement::willRespondToMouseClickEventsWithEditability(editability);
}
}
|
