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