/usr/include/thunderbird/mozilla/dom/SVGTests.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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/* 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_dom_SVGTests_h
#define mozilla_dom_SVGTests_h
#include "nsStringFwd.h"
#include "SVGStringList.h"
#include "nsCOMPtr.h"
class nsAttrValue;
class nsIAtom;
class nsString;
namespace mozilla {
class DOMSVGStringList;
#define MOZILLA_DOMSVGTESTS_IID \
{ 0x92370da8, 0xda28, 0x4895, \
{0x9b, 0x1b, 0xe0, 0x06, 0x0d, 0xb7, 0x3f, 0xc3 } }
namespace dom {
class SVGTests : public nsISupports
{
public:
NS_DECLARE_STATIC_IID_ACCESSOR(MOZILLA_DOMSVGTESTS_IID)
SVGTests();
friend class mozilla::DOMSVGStringList;
typedef mozilla::SVGStringList SVGStringList;
/**
* Compare the language name(s) in a systemLanguage attribute to the
* user's language preferences, as defined in
* http://www.w3.org/TR/SVG11/struct.html#SystemLanguageAttribute
* We have a match if a language name in the users language preferences
* exactly equals one of the language names or exactly equals a prefix of
* one of the language names in the systemLanguage attribute.
* @returns 2 * the lowest index in the aAcceptLangs that matches + 1
* if only the prefix matches, -2 if there's no systemLanguage attribute,
* or -1 if no indices match.
* XXX This algorithm is O(M*N).
*/
int32_t GetBestLanguagePreferenceRank(const nsSubstring& aAcceptLangs) const;
/**
* Special value to pass to PassesConditionalProcessingTests to ignore systemLanguage
* attributes
*/
static const nsString * const kIgnoreSystemLanguage;
/**
* Check whether the conditional processing attributes requiredFeatures,
* requiredExtensions and systemLanguage all "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.
*
* @param aAcceptLangs Optional parameter to pass in the value of the
* intl.accept_languages preference if the caller has it cached.
* Alternatively, pass in kIgnoreSystemLanguage to skip the systemLanguage
* check if the caller is giving that special treatment.
*/
bool PassesConditionalProcessingTests(
const nsString *aAcceptLangs = nullptr) const;
/**
* Returns true if the attribute is one of the conditional processing
* attributes.
*/
bool IsConditionalProcessingAttribute(const nsIAtom* aAttribute) const;
bool ParseConditionalProcessingAttribute(
nsIAtom* aAttribute,
const nsAString& aValue,
nsAttrValue& aResult);
/**
* Unsets a conditional processing attribute.
*/
void UnsetAttr(const nsIAtom* aAttribute);
nsIAtom* GetAttrName(uint8_t aAttrEnum) const;
void GetAttrValue(uint8_t aAttrEnum, nsAttrValue &aValue) const;
void MaybeInvalidate();
// WebIDL
already_AddRefed<DOMSVGStringList> RequiredFeatures();
already_AddRefed<DOMSVGStringList> RequiredExtensions();
already_AddRefed<DOMSVGStringList> SystemLanguage();
bool HasExtension(const nsAString& aExtension);
virtual bool IsInChromeDoc() const = 0;
protected:
virtual ~SVGTests() {}
private:
enum { FEATURES, EXTENSIONS, LANGUAGE };
SVGStringList mStringListAttributes[3];
static nsIAtom** sStringListNames[3];
};
NS_DEFINE_STATIC_IID_ACCESSOR(SVGTests, MOZILLA_DOMSVGTESTS_IID)
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_SVGTests_h
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