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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/. */
#ifndef mozilla_BindingStyleRule_h__
#define mozilla_BindingStyleRule_h__
#include "nscore.h"
#include "nsString.h"
#include "mozilla/css/Rule.h"
#include "mozilla/NotNull.h"
/**
* Shared superclass for mozilla::css::StyleRule and mozilla::ServoStyleRule,
* for use from bindings code.
*/
class nsICSSDeclaration;
namespace mozilla {
class DeclarationBlock;
namespace dom {
class Element;
}
class BindingStyleRule : public css::Rule {
protected:
BindingStyleRule(StyleSheet* aSheet, css::Rule* aParentRule,
uint32_t aLineNumber, uint32_t aColumnNumber)
: css::Rule(aSheet, aParentRule, aLineNumber, aColumnNumber) {}
BindingStyleRule(const BindingStyleRule& aCopy) = default;
virtual ~BindingStyleRule() = default;
public:
// This is pure virtual because we have no members, and are an abstract class
// to start with. The fact that we have to have this declaration at all is
// kinda dumb. :(
virtual size_t SizeOfIncludingThis(
mozilla::MallocSizeOf aMallocSizeOf) const override MOZ_MUST_OVERRIDE = 0;
// Likewise for this one. We have to override our superclass, but don't
// really need to do anything in this method.
virtual bool IsCCLeaf() const override MOZ_MUST_OVERRIDE = 0;
virtual uint32_t GetSelectorCount() = 0;
virtual nsresult GetSelectorText(uint32_t aSelectorIndex,
nsACString& aText) = 0;
virtual nsresult GetSpecificity(uint32_t aSelectorIndex,
uint64_t* aSpecificity) = 0;
virtual nsresult SelectorMatchesElement(dom::Element* aElement,
uint32_t aSelectorIndex,
const nsAString& aPseudo,
bool aRelevantLinkVisited,
bool* aMatches) = 0;
virtual NotNull<DeclarationBlock*> GetDeclarationBlock() const = 0;
// WebIDL API
virtual void GetSelectorText(nsACString& aSelectorText) = 0;
virtual void SetSelectorText(const nsACString& aSelectorText) = 0;
virtual nsICSSDeclaration* Style() = 0;
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override;
};
} // namespace mozilla
#endif // mozilla_BindingStyleRule_h__
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