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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/. */

/* 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 */