Emilio Cobos Álvarez
e4ecfea530
This will make being more granular with cloning easier, and we don't need it after the previous patch. This leaves DeclarationBlock only for the style attribute for now, we need it for the AttrStyles stuff. But I plan to move that to MiscContainer instead or so. Differential Revision: https://phabricator.services.mozilla.com/D300052
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_CSSPageRule_h
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#define mozilla_dom_CSSPageRule_h
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#include "mozilla/ServoBindingTypes.h"
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#include "mozilla/css/GroupRule.h"
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#include "nsDOMCSSDeclaration.h"
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#include "nsICSSDeclaration.h"
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// The following include provides nsCSSProps::PropertyIDLName(), used by
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// generated CSSPageDescriptorsBinding.cpp
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// TODO alaskanemily: Ideally it would only be included from there.
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#include "nsCSSProps.h"
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namespace mozilla::dom {
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class DocGroup;
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class CSSPageRule;
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class CSSPageRuleDeclaration final : public nsDOMCSSDeclaration {
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public:
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NS_DECL_ISUPPORTS_INHERITED
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css::Rule* GetParentRule() final;
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nsINode* GetAssociatedNode() const final;
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nsISupports* GetParentObject() const final;
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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protected:
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Block* GetOrCreateCSSDeclaration(Operation aOperation,
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Block** aCreated) final;
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nsresult SetCSSDeclaration(Block* aDecl,
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MutationClosureData* aClosureData) final;
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nsDOMCSSDeclaration::ParsingEnvironment GetParsingEnvironment(
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nsIPrincipal* aSubjectPrincipal) const final;
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private:
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// For accessing the constructor.
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friend class CSSPageRule;
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explicit CSSPageRuleDeclaration(already_AddRefed<Block> aDecls);
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void SetRawAfterClone(RefPtr<Block>);
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~CSSPageRuleDeclaration();
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inline CSSPageRule* Rule();
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inline const CSSPageRule* Rule() const;
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RefPtr<Block> mDecls;
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};
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class CSSPageRule final : public css::GroupRule {
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public:
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CSSPageRule(RefPtr<StyleLockedPageRule> aRawRule, StyleSheet* aSheet,
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css::Rule* aParentRule, uint32_t aLine, uint32_t aColumn);
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NS_DECL_ISUPPORTS_INHERITED
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(CSSPageRule,
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css::GroupRule)
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bool IsCCLeaf() const final;
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StyleLockedPageRule* Raw() const { return mRawRule; }
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void SetRawAfterClone(RefPtr<StyleLockedPageRule>);
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// WebIDL interfaces
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StyleCssRuleType Type() const final;
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void GetCssText(nsACString& aCssText) const final;
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CSSPageRuleDeclaration* Style() { return &mDecls; }
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void GetSelectorText(nsACString& aSelectorText) const;
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void SetSelectorText(const nsACString& aSelectorText);
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size_t SizeOfIncludingThis(MallocSizeOf aMallocSizeOf) const final;
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already_AddRefed<StyleLockedCssRules> GetOrCreateRawRules() final;
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#ifdef DEBUG
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void List(FILE* out = stdout, int32_t aIndent = 0) const final;
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#endif
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JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;
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private:
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~CSSPageRule() = default;
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// For computing the offset of mDecls.
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friend class CSSPageRuleDeclaration;
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RefPtr<StyleLockedPageRule> mRawRule;
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CSSPageRuleDeclaration mDecls;
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};
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CSSPageRule* CSSPageRuleDeclaration::Rule() {
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return reinterpret_cast<CSSPageRule*>(reinterpret_cast<uint8_t*>(this) -
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offsetof(CSSPageRule, mDecls));
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}
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const CSSPageRule* CSSPageRuleDeclaration::Rule() const {
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return reinterpret_cast<const CSSPageRule*>(
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reinterpret_cast<const uint8_t*>(this) - offsetof(CSSPageRule, mDecls));
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}
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} // namespace mozilla::dom
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#endif // mozilla_dom_CSSPageRule_h
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