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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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/. */
#ifndef mozilla_dom_CSSPageRule_h
#define mozilla_dom_CSSPageRule_h
#include "mozilla/css/Rule.h"
#include "mozilla/ServoBindingTypes.h"
#include "nsDOMCSSDeclaration.h"
#include "nsICSSDeclaration.h"
namespace mozilla {
class DeclarationBlock;
namespace dom {
class DocGroup;
class CSSPageRule;
class CSSPageRuleDeclaration final : public nsDOMCSSDeclaration {
public:
NS_DECL_ISUPPORTS_INHERITED
css::Rule* GetParentRule() final;
nsINode* GetAssociatedNode() const final;
nsISupports* GetParentObject() const final;
protected:
DeclarationBlock* GetOrCreateCSSDeclaration(
Operation aOperation, DeclarationBlock** aCreated) final;
nsresult SetCSSDeclaration(DeclarationBlock* aDecl,
MutationClosureData* aClosureData) final;
Document* DocToUpdate() final { return nullptr; }
nsDOMCSSDeclaration::ParsingEnvironment GetParsingEnvironment(
nsIPrincipal* aSubjectPrincipal) const final;
private:
// For accessing the constructor.
friend class CSSPageRule;
explicit CSSPageRuleDeclaration(
already_AddRefed<StyleLockedDeclarationBlock> aDecls);
void SetRawAfterClone(RefPtr<StyleLockedDeclarationBlock>);
~CSSPageRuleDeclaration();
inline CSSPageRule* Rule();
inline const CSSPageRule* Rule() const;
RefPtr<DeclarationBlock> mDecls;
};
class CSSPageRule final : public css::Rule {
public:
CSSPageRule(RefPtr<StyleLockedPageRule> aRawRule, StyleSheet* aSheet,
css::Rule* aParentRule, uint32_t aLine, uint32_t aColumn);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(CSSPageRule, css::Rule)
bool IsCCLeaf() const final;
StyleLockedPageRule* Raw() const { return mRawRule; }
void SetRawAfterClone(RefPtr<StyleLockedPageRule>);
// WebIDL interfaces
StyleCssRuleType Type() const final;
void GetCssText(nsACString& aCssText) const final;
nsICSSDeclaration* Style();
void GetSelectorText(nsACString& aSelectorText) const;
void SetSelectorText(const nsACString& aSelectorText);
size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const final;
#ifdef DEBUG
void List(FILE* out = stdout, int32_t aIndent = 0) const final;
#endif
JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
private:
~CSSPageRule() = default;
// For computing the offset of mDecls.
friend class CSSPageRuleDeclaration;
RefPtr<StyleLockedPageRule> mRawRule;
CSSPageRuleDeclaration mDecls;
};
CSSPageRule* CSSPageRuleDeclaration::Rule() {
return reinterpret_cast<CSSPageRule*>(reinterpret_cast<uint8_t*>(this) -
offsetof(CSSPageRule, mDecls));
}
const CSSPageRule* CSSPageRuleDeclaration::Rule() const {
return reinterpret_cast<const CSSPageRule*>(
reinterpret_cast<const uint8_t*>(this) - offsetof(CSSPageRule, mDecls));
}
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_CSSPageRule_h
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