nsDOMCSSAttrDeclaration.h

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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 "mozilla/ServoTypes.h"

#include "nsDOMCSSDeclaration.h"

struct RawServoUnlockedDeclarationBlock;

namespace mozilla {

class SMILValue;

class SVGAnimatedLength;

class SVGAnimatedPathSegList;

namespace dom {

class DomGroup;

class Element;

}  // namespace dom

}  // namespace mozilla

class nsDOMCSSAttributeDeclaration final : public nsDOMCSSDeclaration {

 public:

  typedef mozilla::dom::Element Element;

  typedef mozilla::SMILValue SMILValue;

  typedef mozilla::SVGAnimatedLength SVGAnimatedLength;

  nsDOMCSSAttributeDeclaration(Element* aContent, bool aIsSMILOverride);

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SKIPPABLE_WRAPPERCACHE_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* GetAssociatedNode() const override { return mElement; }

  nsINode* GetParentObject() const override { return mElement; }

  nsresult SetSMILValue(const nsCSSPropertyID aPropID, const SMILValue& aValue);

  nsresult SetSMILValue(const nsCSSPropertyID aPropID,

                        const SVGAnimatedLength& aLength);

  nsresult SetSMILValue(const nsCSSPropertyID,

                        const mozilla::SVGAnimatedPathSegList& aPath);

  void ClearSMILValue(const nsCSSPropertyID aPropID) {

    // Put empty string in override style for our property

    SetPropertyValue(aPropID, ""_ns, nullptr, mozilla::IgnoreErrors());

  void SetPropertyValue(const nsCSSPropertyID aPropID, const nsACString& aValue,

                        nsIPrincipal* aSubjectPrincipal,

                        mozilla::ErrorResult& aRv) override;

  static void MutationClosureFunction(void* aData, nsCSSPropertyID);

  void GetPropertyChangeClosure(

      mozilla::DeclarationBlockMutationClosure* aClosure,

      mozilla::MutationClosureData* aClosureData) final {

    if (!mIsSMILOverride) {

      aClosure->function = MutationClosureFunction;

      aClosure->data = aClosureData;

      aClosureData->mShouldBeCalled = true;

      aClosureData->mElement = mElement;

 protected:

  ~nsDOMCSSAttributeDeclaration();

  nsresult SetCSSDeclaration(

      mozilla::DeclarationBlock* aDecl,

      mozilla::MutationClosureData* aClosureData) override;

  mozilla::dom::Document* DocToUpdate() final;

  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;

 private:

  template <typename SetterFunc>

  nsresult SetSMILValueHelper(SetterFunc aFunc);

};

#endif /* nsDOMCSSAttributeDeclaration_h */