Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 130 insertions, 0 deletions

diff --git a/dom/svg/SVGTests.h b/dom/svg/SVGTests.h
new file mode 100644
index 0000000000..148c35fc5c
--- /dev/null
+++ b/dom/svg/SVGTests.h
@@ -0,0 +1,130 @@
+/* -*- 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 nsStaticAtom;
+
+namespace mozilla {
+
+namespace dom {
+class DOMSVGStringList;
+}
+
+#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;
+
+  /**
+   * 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 nsAString& aAcceptLangs) const;
+
+  /**
+   * Check whether the conditional processing attributes other than
+   * systemLanguage "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 PassesConditionalProcessingTestsIgnoringSystemLanguage() const;
+
+  /**
+   * 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;
+
+  /**
+   * 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.
+   *
+   * @param aAcceptLangs The value of the intl.accept_languages preference
+   */
+  bool PassesConditionalProcessingTests(const nsAString& aAcceptLangs) 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:
+  enum { EXTENSIONS, LANGUAGE };
+  SVGStringList mStringListAttributes[2];
+  static nsStaticAtom* const sStringListNames[2];
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(SVGTests, MOZILLA_DOMSVGTESTS_IID)
+
+}  // namespace dom
+}  // namespace mozilla
+
+#endif  // DOM_SVG_SVGTESTS_H_