/* -*- 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/. */

/* DOM object for element.style */

#ifndef nsDOMCSSAttributeDeclaration_h

#define nsDOMCSSAttributeDeclaration_h

#include "mozilla/Attributes.h"

#include "mozilla/dom/DocGroup.h"

#include "nsDOMCSSDeclaration.h"

class nsSMILValue;

struct RawServoUnlockedDeclarationBlock;

namespace mozilla {

namespace dom {

class DomGroup;

class Element;

} // namespace dom

} // namespace mozilla

class nsDOMCSSAttributeDeclaration final : public nsDOMCSSDeclaration

{

public:

  typedef mozilla::dom::Element Element;

  nsDOMCSSAttributeDeclaration(Element* aContent, bool aIsSMILOverride);

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SKIPPABLE_SCRIPT_HOLDER_CLASS_AMBIGUOUS(nsDOMCSSAttributeDeclaration,

                                                                   nsICSSDeclaration)

  mozilla::DeclarationBlock* GetOrCreateCSSDeclaration(

    Operation aOperation, mozilla::DeclarationBlock** aCreated) final;

  nsDOMCSSDeclaration::ParsingEnvironment

    GetParsingEnvironment(nsIPrincipal* aSubjectPrincipal) const final;

  mozilla::css::Rule* GetParentRule() override

  {

    return nullptr;

  }

  nsINode* GetParentObject() override

  {

    return mElement;

  }

  nsresult SetSMILValue(const nsCSSPropertyID aPropID, const nsSMILValue&);

  nsresult SetPropertyValue(const nsCSSPropertyID aPropID,

                            const nsAString& aValue,

                            nsIPrincipal* aSubjectPrincipal) override;

  static void MutationClosureFunction(void* aData);

  void

  GetPropertyChangeClosure(DeclarationBlockMutationClosure* aClosure,

                           mozilla::MutationClosureData* aClosureData) final

  {

    if (!mIsSMILOverride) {

      aClosure->function = MutationClosureFunction;

      aClosure->data = aClosureData;

      aClosureData->mClosure = MutationClosureFunction;

      aClosureData->mElement = mElement;

    }

  }

protected:

  ~nsDOMCSSAttributeDeclaration();

  virtual nsresult SetCSSDeclaration(mozilla::DeclarationBlock* aDecl,

                                     mozilla::MutationClosureData* aClosureData) override;

  virtual nsIDocument* DocToUpdate() override;

  RefPtr<Element> mElement;

  /* If true, this indicates that this nsDOMCSSAttributeDeclaration

   * should interact with mContent's SMIL override style rule (rather

   * than the inline style rule).

   */

  const bool mIsSMILOverride;

};

#endif /* nsDOMCSSAttributeDeclaration_h */