mirror of
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115 lines
3.2 KiB
C++
115 lines
3.2 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 DOM_SVG_SVGTESTS_H_
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#define DOM_SVG_SVGTESTS_H_
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#include "nsStringFwd.h"
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#include "mozilla/AlreadyAddRefed.h"
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#include "mozilla/SVGStringList.h"
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class nsAttrValue;
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class nsAtom;
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class nsIContent;
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class nsStaticAtom;
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namespace mozilla {
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namespace dom {
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class DOMSVGStringList;
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class SVGSwitchElement;
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} // namespace dom
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#define MOZILLA_DOMSVGTESTS_IID \
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{ \
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0x92370da8, 0xda28, 0x4895, { \
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0x9b, 0x1b, 0xe0, 0x06, 0x0d, 0xb7, 0x3f, 0xc3 \
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} \
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}
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namespace dom {
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class SVGElement;
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class SVGTests : public nsISupports {
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public:
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NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_DOMSVGTESTS_IID)
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SVGTests();
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friend class dom::DOMSVGStringList;
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using SVGStringList = mozilla::SVGStringList;
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/**
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* Find the active switch child using BCP 47 rules.
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*/
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static nsIContent* FindActiveSwitchChild(
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const dom::SVGSwitchElement* aSwitch);
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/**
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* Check whether the conditional processing attributes requiredExtensions
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* and systemLanguage both "return true" if they apply to
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* and are specified on the given element. Returns true if this element
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* should be rendered, false if it should not.
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*/
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bool PassesConditionalProcessingTests() const;
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/**
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* Returns true if the attribute is one of the conditional processing
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* attributes.
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*/
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bool IsConditionalProcessingAttribute(const nsAtom* aAttribute) const;
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bool ParseConditionalProcessingAttribute(nsAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult);
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/**
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* Unsets a conditional processing attribute.
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*/
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void UnsetAttr(const nsAtom* aAttribute);
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nsStaticAtom* GetAttrName(uint8_t aAttrEnum) const;
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void GetAttrValue(uint8_t aAttrEnum, nsAttrValue& aValue) const;
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void MaybeInvalidate();
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// WebIDL
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already_AddRefed<DOMSVGStringList> RequiredExtensions();
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already_AddRefed<DOMSVGStringList> SystemLanguage();
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bool HasExtension(const nsAString& aExtension) const;
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virtual SVGElement* AsSVGElement() = 0;
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const SVGElement* AsSVGElement() const {
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return const_cast<SVGTests*>(this)->AsSVGElement();
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}
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protected:
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virtual ~SVGTests() = default;
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private:
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/**
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* Check whether the extensions processing attribute applies to and is
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* specified on the given element. Returns true if this element should be
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* rendered, false if it should not.
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*/
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bool PassesRequiredExtensionsTests() const;
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enum { EXTENSIONS, LANGUAGE };
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SVGStringList mStringListAttributes[2];
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static nsStaticAtom* const sStringListNames[2];
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mutable Maybe<bool> mPassesConditionalProcessingTests = Some(true);
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};
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NS_DEFINE_STATIC_IID_ACCESSOR(SVGTests, MOZILLA_DOMSVGTESTS_IID)
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} // namespace dom
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} // namespace mozilla
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#endif // DOM_SVG_SVGTESTS_H_
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