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/* -*- 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
#include "mozilla/dom/CSSPositionTryRule.h"
#include "mozilla/dom/CSSPositionTryRuleBinding.h"
#include "mozilla/dom/CSSPositionTryDescriptorsBinding.h"
#include "mozilla/ServoBindings.h"
#include "mozilla/DeclarationBlock.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