dom/base/nsMappedAttributeElement.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:set tw=80 expandtab softtabstop=2 ts=2 sw=2: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 /**
   8  * nsMappedAttributeElement is the base for elements supporting style mapped
   9  * attributes via nsMappedAttributes (HTML and MathML).
  10  */
  11
  12 #ifndef NS_MAPPEDATTRIBUTEELEMENT_H_
  13 #define NS_MAPPEDATTRIBUTEELEMENT_H_
  14
  15 #include "mozilla/Attributes.h"
  16 #include "nsStyledElement.h"
  17
  18 class nsMappedAttributes;
  19 struct nsRuleData;
  20
  21 typedef void (*nsMapRuleToAttributesFunc)(const nsMappedAttributes* aAttributes,
  22                                           nsRuleData* aData);
  23
  24 typedef nsStyledElement nsMappedAttributeElementBase;
  25
  26 class nsMappedAttributeElement : public nsMappedAttributeElementBase
  27 {
  28
  29 protected:
  30
  31   explicit nsMappedAttributeElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo)
  32     : nsMappedAttributeElementBase(aNodeInfo)
  33   {}
  34
  35 public:
  36   virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
  37
  38   static void MapNoAttributesInto(const nsMappedAttributes* aAttributes,
  39                                   nsRuleData* aRuleData);
  40
  41   NS_IMETHOD WalkContentStyleRules(nsRuleWalker* aRuleWalker) MOZ_OVERRIDE;
  42   virtual bool SetMappedAttribute(nsIDocument* aDocument,
  43                                     nsIAtom* aName,
  44                                     nsAttrValue& aValue,
  45                                     nsresult* aRetval) MOZ_OVERRIDE;
  46 };
  47
  48 #endif // NS_MAPPEDATTRIBUTEELEMENT_H_