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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/dom/CSSPositionTryRule.h"
#include "mozilla/DeclarationBlock.h"
#include "mozilla/ServoBindings.h"
#include "mozilla/dom/CSSPositionTryDescriptorsBinding.h"
#include "mozilla/dom/CSSPositionTryRuleBinding.h"
namespace mozilla::dom {
CSSPositionTryRule* CSSPositionTryRuleDeclaration::Rule() {
return reinterpret_cast<CSSPositionTryRule*>(
reinterpret_cast<uint8_t*>(this) - offsetof(CSSPositionTryRule, mDecls));
}
const CSSPositionTryRule* CSSPositionTryRuleDeclaration::Rule() const {
return reinterpret_cast<const CSSPositionTryRule*>(
reinterpret_cast<const uint8_t*>(this) -
offsetof(CSSPositionTryRule, mDecls));
}
CSSPositionTryRuleDeclaration::CSSPositionTryRuleDeclaration(
already_AddRefed<StyleLockedDeclarationBlock> aDecls)
: mDecls(new DeclarationBlock(std::move(aDecls))) {
mDecls->SetOwningRule(Rule());
}
CSSPositionTryRuleDeclaration::~CSSPositionTryRuleDeclaration() {
mDecls->SetOwningRule(nullptr);
}
NS_INTERFACE_MAP_BEGIN(CSSPositionTryRuleDeclaration)
NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY
// We forward the cycle collection interfaces to Rule(), which is
// never null (in fact, we're part of that object!)
if (aIID.Equals(NS_GET_IID(nsCycleCollectionISupports)) ||
aIID.Equals(NS_GET_IID(nsXPCOMCycleCollectionParticipant))) {
return Rule()->QueryInterface(aIID, aInstancePtr);
}
NS_INTERFACE_MAP_END_INHERITING(nsDOMCSSDeclaration)
NS_IMPL_ADDREF_USING_AGGREGATOR(CSSPositionTryRuleDeclaration, Rule())
NS_IMPL_RELEASE_USING_AGGREGATOR(CSSPositionTryRuleDeclaration, Rule())
css::Rule* CSSPositionTryRuleDeclaration::GetParentRule() { return Rule(); }
nsINode* CSSPositionTryRuleDeclaration::GetAssociatedNode() const {
return Rule()->GetAssociatedDocumentOrShadowRoot();
}
nsISupports* CSSPositionTryRuleDeclaration::GetParentObject() const {
return Rule()->GetParentObject();
}
JSObject* CSSPositionTryRuleDeclaration::WrapObject(
JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
return CSSPositionTryDescriptors_Binding::Wrap(aCx, this, aGivenProto);
}
DeclarationBlock* CSSPositionTryRuleDeclaration::GetOrCreateCSSDeclaration(
Operation aOperation, DeclarationBlock** aCreated) {
if (aOperation != Operation::Read) {
if (StyleSheet* sheet = Rule()->GetStyleSheet()) {
sheet->WillDirty();
}
}
return mDecls;
}
void CSSPositionTryRuleDeclaration::SetRawAfterClone(
RefPtr<StyleLockedDeclarationBlock> aDeclarationBlock) {
mDecls->SetOwningRule(nullptr);
mDecls = new DeclarationBlock(aDeclarationBlock.forget());
mDecls->SetOwningRule(Rule());
}
nsresult CSSPositionTryRuleDeclaration::SetCSSDeclaration(
DeclarationBlock* aDecl, MutationClosureData* aClosureData) {
MOZ_ASSERT(aDecl, "must be non-null");
CSSPositionTryRule* rule = Rule();
if (aDecl != mDecls) {
mDecls->SetOwningRule(nullptr);
Servo_PositionTryRule_SetStyle(rule->Raw(), aDecl->Raw());
mDecls = aDecl;
mDecls->SetOwningRule(rule);
}
return NS_OK;
}
nsDOMCSSDeclaration::ParsingEnvironment
CSSPositionTryRuleDeclaration::GetParsingEnvironment(
nsIPrincipal* aSubjectPrincipal) const {
return GetParsingEnvironmentForRule(Rule(), StyleCssRuleType::PositionTry);
}
CSSPositionTryRule::CSSPositionTryRule(
RefPtr<StyleLockedPositionTryRule> aRawRule, StyleSheet* aSheet,
css::Rule* aParentRule, uint32_t aLine, uint32_t aColumn)
: css::Rule(aSheet, aParentRule, aLine, aColumn),
mRawRule(std::move(aRawRule)),
mDecls(Servo_PositionTryRule_GetStyle(mRawRule).Consume()) {}
NS_IMPL_ADDREF_INHERITED(CSSPositionTryRule, css::Rule)
NS_IMPL_RELEASE_INHERITED(CSSPositionTryRule, css::Rule)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CSSPositionTryRule)
NS_INTERFACE_MAP_END_INHERITING(css::Rule)
NS_IMPL_CYCLE_COLLECTION_CLASS(CSSPositionTryRule)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(CSSPositionTryRule, css::Rule)
// Keep this in sync with IsCCLeaf.
// Trace the wrapper for our declaration. This just expands out
// NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER which we can't use
// directly because the wrapper is on the declaration, not on us.
tmp->mDecls.TraceWrapper(aCallbacks, aClosure);
NS_IMPL_CYCLE_COLLECTION_TRACE_END
NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(CSSPositionTryRule)
// Keep this in sync with IsCCLeaf.
// Unlink the wrapper for our declaration.
//
// Note that this has to happen before unlinking css::Rule.
tmp->UnlinkDeclarationWrapper(tmp->mDecls);
tmp->mDecls.mDecls->SetOwningRule(nullptr);
NS_IMPL_CYCLE_COLLECTION_UNLINK_END_INHERITED(css::Rule)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CSSPositionTryRule, css::Rule)
// Keep this in sync with IsCCLeaf.
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
bool CSSPositionTryRule::IsCCLeaf() const {
if (!Rule::IsCCLeaf()) {
return false;
}
return !mDecls.PreservingWrapper();
}
void CSSPositionTryRule::SetRawAfterClone(
RefPtr<StyleLockedPositionTryRule> aRaw) {
mRawRule = std::move(aRaw);
mDecls.SetRawAfterClone(
Servo_PositionTryRule_GetStyle(mRawRule.get()).Consume());
}
StyleCssRuleType CSSPositionTryRule::Type() const {
return StyleCssRuleType::PositionTry;
}
size_t CSSPositionTryRule::SizeOfIncludingThis(
MallocSizeOf aMallocSizeOf) const {
// TODO(dshin)
return aMallocSizeOf(this);
}
#ifdef DEBUG
void CSSPositionTryRule::List(FILE* out, int32_t aIndent) const {
nsAutoCString str;
for (int32_t i = 0; i < aIndent; i++) {
str.AppendLiteral(" ");
}
Servo_PositionTryRule_Debug(mRawRule, &str);
fprintf_stderr(out, "%s\n", str.get());
}
#endif
void CSSPositionTryRule::GetName(nsACString& aName) {
Servo_PositionTryRule_GetName(mRawRule, &aName);
}
void CSSPositionTryRule::GetCssText(nsACString& aCssText) const {
Servo_PositionTryRule_GetCssText(mRawRule, &aCssText);
}
JSObject* CSSPositionTryRule::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return CSSPositionTryRule_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace mozilla::dom
|
