CSSPositionTryRule.h

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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

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_CSSPositionTryRule_h

#define mozilla_dom_CSSPositionTryRule_h

#include "mozilla/css/Rule.h"

#include "mozilla/ServoBindingTypes.h"

#include "nsDOMCSSDeclaration.h"

#include "nsICSSDeclaration.h"

namespace mozilla {

class DeclarationBlock;

namespace dom {

class CSSPositionTryRule;

class CSSPositionTryRuleDeclaration final : public nsDOMCSSDeclaration {

 public:

  NS_DECL_ISUPPORTS_INHERITED

  css::Rule* GetParentRule() final;

  nsINode* GetAssociatedNode() const final;

  nsISupports* GetParentObject() const final;

  JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) final;

 protected:

  DeclarationBlock* GetOrCreateCSSDeclaration(

      Operation aOperation, DeclarationBlock** aCreated) final;

  nsresult SetCSSDeclaration(DeclarationBlock* aDecl,

                             MutationClosureData* aClosureData) final;

  nsDOMCSSDeclaration::ParsingEnvironment GetParsingEnvironment(

      nsIPrincipal* aSubjectPrincipal) const final;

 private:

  // For accessing the constructor.

  friend class CSSPositionTryRule;

  explicit CSSPositionTryRuleDeclaration(

      already_AddRefed<StyleLockedDeclarationBlock> aDecls);

  void SetRawAfterClone(RefPtr<StyleLockedDeclarationBlock>);

  ~CSSPositionTryRuleDeclaration();

  inline CSSPositionTryRule* Rule();

  inline const CSSPositionTryRule* Rule() const;

  RefPtr<DeclarationBlock> mDecls;

};

class CSSPositionTryRule final : public css::Rule {

 public:

  CSSPositionTryRule(RefPtr<StyleLockedPositionTryRule> aRawRule,

                     StyleSheet* aSheet, css::Rule* aParentRule, uint32_t aLine,

                     uint32_t aColumn);

  NS_DECL_ISUPPORTS_INHERITED

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(CSSPositionTryRule,

                                                         css::Rule)

  bool IsCCLeaf() const final;

  StyleLockedPositionTryRule* Raw() const { return mRawRule; }

  void SetRawAfterClone(RefPtr<StyleLockedPositionTryRule>);

  // WebIDL interfaces

  StyleCssRuleType Type() const final;

  void GetCssText(nsACString& aCssText) const final;

  CSSPositionTryRuleDeclaration* Style() { return &mDecls; }

  void GetName(nsACString& aName);

  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:

  ~CSSPositionTryRule() = default;

  // For computing the offset of mDecls.

  friend class CSSPositionTryRuleDeclaration;

  RefPtr<StyleLockedPositionTryRule> mRawRule;

  CSSPositionTryRuleDeclaration mDecls;

};

}  // namespace dom

}  // namespace mozilla

#endif  // mozilla_dom_CSSPositionTryRule_h