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
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/CSSMarginRule.h"
#include "mozilla/dom/CSSMarginRuleBinding.h"
#include "mozilla/DeclarationBlock.h"
#include "mozilla/ServoBindings.h"
namespace mozilla::dom {
// -- CSSMarginRuleDeclaration ---------------------------------------
CSSMarginRuleDeclaration::CSSMarginRuleDeclaration(
already_AddRefed<StyleLockedDeclarationBlock> aDecls)
: mDecls(new DeclarationBlock(std::move(aDecls))) {
mDecls->SetOwningRule(Rule());
}
CSSMarginRuleDeclaration::~CSSMarginRuleDeclaration() {
mDecls->SetOwningRule(nullptr);
}
// QueryInterface implementation for CSSMarginRuleDeclaration
NS_INTERFACE_MAP_BEGIN(CSSMarginRuleDeclaration)
NS_WRAPPERCACHE_INTERFACE_MAP_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(CSSMarginRuleDeclaration, Rule())
NS_IMPL_RELEASE_USING_AGGREGATOR(CSSMarginRuleDeclaration, Rule())
/* nsDOMCSSDeclaration implementation */
css::Rule* CSSMarginRuleDeclaration::GetParentRule() { return Rule(); }
nsINode* CSSMarginRuleDeclaration::GetAssociatedNode() const {
return Rule()->GetAssociatedDocumentOrShadowRoot();
}
nsISupports* CSSMarginRuleDeclaration::GetParentObject() const {
return Rule()->GetParentObject();
}
DeclarationBlock* CSSMarginRuleDeclaration::GetOrCreateCSSDeclaration(
Operation aOperation, DeclarationBlock** aCreated) {
if (aOperation != Operation::Read) {
if (StyleSheet* sheet = Rule()->GetStyleSheet()) {
sheet->WillDirty();
}
}
return mDecls;
}
void CSSMarginRuleDeclaration::SetRawAfterClone(
RefPtr<StyleLockedDeclarationBlock> aDeclarationBlock) {
mDecls->SetOwningRule(nullptr);
mDecls = new DeclarationBlock(aDeclarationBlock.forget());
mDecls->SetOwningRule(Rule());
}
nsresult CSSMarginRuleDeclaration::SetCSSDeclaration(
DeclarationBlock* aDecl, MutationClosureData* aClosureData) {
MOZ_ASSERT(aDecl, "must be non-null");
CSSMarginRule* rule = Rule();
if (aDecl != mDecls) {
mDecls->SetOwningRule(nullptr);
RefPtr<DeclarationBlock> decls = aDecl;
// TODO alaskanemily: bug 1890418 for implementing this and margin-rule
// style properties in general.
// Servo_MarginRule_SetStyle(rule->Raw(), decls->Raw());
mDecls = std::move(decls);
mDecls->SetOwningRule(rule);
}
return NS_OK;
}
nsDOMCSSDeclaration::ParsingEnvironment
CSSMarginRuleDeclaration::GetParsingEnvironment(
nsIPrincipal* aSubjectPrincipal) const {
return GetParsingEnvironmentForRule(Rule(), StyleCssRuleType::Margin);
}
// -- CSSMarginRule --------------------------------------------------
CSSMarginRule::CSSMarginRule(RefPtr<StyleMarginRule> aRawRule,
StyleSheet* aSheet, css::Rule* aParentRule,
uint32_t aLine, uint32_t aColumn)
: css::Rule(aSheet, aParentRule, aLine, aColumn),
mRawRule(std::move(aRawRule)),
mDecls(Servo_MarginRule_GetStyle(mRawRule).Consume()) {}
NS_IMPL_ADDREF_INHERITED(CSSMarginRule, css::Rule)
NS_IMPL_RELEASE_INHERITED(CSSMarginRule, css::Rule)
// QueryInterface implementation for MarginRule
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CSSMarginRule)
NS_INTERFACE_MAP_END_INHERITING(css::Rule)
NS_IMPL_CYCLE_COLLECTION_CLASS(CSSMarginRule)
NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN_INHERITED(CSSMarginRule, 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(CSSMarginRule)
// 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(CSSMarginRule, css::Rule)
// Keep this in sync with IsCCLeaf.
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
bool CSSMarginRule::IsCCLeaf() const {
if (!Rule::IsCCLeaf()) {
return false;
}
return !mDecls.PreservingWrapper();
}
void CSSMarginRule::SetRawAfterClone(RefPtr<StyleMarginRule> aRaw) {
mRawRule = std::move(aRaw);
mDecls.SetRawAfterClone(Servo_MarginRule_GetStyle(mRawRule.get()).Consume());
}
// WebIDL interfaces
StyleCssRuleType CSSMarginRule::Type() const {
return StyleCssRuleType::Margin;
}
// CSSRule implementation
void CSSMarginRule::GetCssText(nsACString& aCssText) const {
Servo_MarginRule_GetCssText(mRawRule, &aCssText);
}
void CSSMarginRule::GetName(nsACString& aRuleName) const {
Servo_MarginRule_GetName(mRawRule, &aRuleName);
}
size_t CSSMarginRule::SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const {
// TODO Implement this!
return aMallocSizeOf(this);
}
#ifdef DEBUG
void CSSMarginRule::List(FILE* out, int32_t aIndent) const {
nsAutoCString str;
for (int32_t i = 0; i < aIndent; i++) {
str.AppendLiteral(" ");
}
Servo_MarginRule_Debug(mRawRule, &str);
fprintf_stderr(out, "%s\n", str.get());
}
#endif
JSObject* CSSMarginRule::WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) {
return CSSMarginRule_Binding::Wrap(aCx, this, aGivenProto);
}
} // namespace mozilla::dom
|