gecko-dev/layout/style/nsDOMCSSAttrDeclaration.h

89 строки
2.7 KiB
C++

/* -*- 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 */