зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.5 KiB
C++
70 строки
2.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_BindingStyleRule_h__
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#define mozilla_BindingStyleRule_h__
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#include "nscore.h"
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#include "nsString.h"
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#include "mozilla/css/Rule.h"
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#include "mozilla/NotNull.h"
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/**
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* Shared superclass for mozilla::css::StyleRule and mozilla::ServoStyleRule,
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* for use from bindings code.
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*/
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class nsICSSDeclaration;
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namespace mozilla {
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class DeclarationBlock;
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namespace dom {
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class Element;
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}
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class BindingStyleRule : public css::Rule {
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protected:
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BindingStyleRule(StyleSheet* aSheet, css::Rule* aParentRule,
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uint32_t aLineNumber, uint32_t aColumnNumber)
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: css::Rule(aSheet, aParentRule, aLineNumber, aColumnNumber) {}
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BindingStyleRule(const BindingStyleRule& aCopy) : css::Rule(aCopy) {}
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virtual ~BindingStyleRule() {}
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public:
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// This is pure virtual because we have no members, and are an abstract class
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// to start with. The fact that we have to have this declaration at all is
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// kinda dumb. :(
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virtual size_t SizeOfIncludingThis(
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mozilla::MallocSizeOf aMallocSizeOf) const override MOZ_MUST_OVERRIDE = 0;
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// Likewise for this one. We have to override our superclass, but don't
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// really need to do anything in this method.
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virtual bool IsCCLeaf() const override MOZ_MUST_OVERRIDE = 0;
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virtual uint32_t GetSelectorCount() = 0;
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virtual nsresult GetSelectorText(uint32_t aSelectorIndex,
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nsAString& aText) = 0;
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virtual nsresult GetSpecificity(uint32_t aSelectorIndex,
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uint64_t* aSpecificity) = 0;
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virtual nsresult SelectorMatchesElement(dom::Element* aElement,
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uint32_t aSelectorIndex,
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const nsAString& aPseudo,
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bool* aMatches) = 0;
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virtual NotNull<DeclarationBlock*> GetDeclarationBlock() const = 0;
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// WebIDL API
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virtual void GetSelectorText(nsAString& aSelectorText) = 0;
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virtual void SetSelectorText(const nsAString& aSelectorText) = 0;
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virtual nsICSSDeclaration* Style() = 0;
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virtual JSObject* WrapObject(JSContext* aCx,
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JS::Handle<JSObject*> aGivenProto) override;
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};
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} // namespace mozilla
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#endif // mozilla_BindingStyleRule_h__
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