dom/html/HTMLLIElement.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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 #include "mozilla/dom/HTMLLIElement.h"
   8 #include "mozilla/dom/HTMLLIElementBinding.h"
   9
  10 #include "mozilla/MappedDeclarationsBuilder.h"
  11 #include "nsAttrValueInlines.h"
  12 #include "nsGkAtoms.h"
  13 #include "nsStyleConsts.h"
  14
  15 NS_IMPL_NS_NEW_HTML_ELEMENT(LI)
  16
  17 namespace mozilla::dom {
  18
  19 HTMLLIElement::~HTMLLIElement() = default;
  20
  21 NS_IMPL_ELEMENT_CLONE(HTMLLIElement)
  22
  23 // values that are handled case-insensitively
  24 static const nsAttrValue::EnumTable kUnorderedListItemTypeTable[] = {
  25     {"disc", ListStyle::Disc},
  26     {"circle", ListStyle::Circle},
  27     {"round", ListStyle::Circle},
  28     {"square", ListStyle::Square},
  29     {nullptr, 0}};
  30
  31 // values that are handled case-sensitively
  32 static const nsAttrValue::EnumTable kOrderedListItemTypeTable[] = {
  33     {"A", ListStyle::UpperAlpha}, {"a", ListStyle::LowerAlpha},
  34     {"I", ListStyle::UpperRoman}, {"i", ListStyle::LowerRoman},
  35     {"1", ListStyle::Decimal},    {nullptr, 0}};
  36
  37 bool HTMLLIElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
  38                                    const nsAString& aValue,
  39                                    nsIPrincipal* aMaybeScriptedPrincipal,
  40                                    nsAttrValue& aResult) {
  41   if (aNamespaceID == kNameSpaceID_None) {
  42     if (aAttribute == nsGkAtoms::type) {
  43       return aResult.ParseEnumValue(aValue, kOrderedListItemTypeTable, true) ||
  44              aResult.ParseEnumValue(aValue, kUnorderedListItemTypeTable, false);
  45     }
  46     if (aAttribute == nsGkAtoms::value) {
  47       return aResult.ParseIntValue(aValue);
  48     }
  49   }
  50
  51   return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
  52                                               aMaybeScriptedPrincipal, aResult);
  53 }
  54
  55 void HTMLLIElement::MapAttributesIntoRule(MappedDeclarationsBuilder& aBuilder) {
  56   if (!aBuilder.PropertyIsSet(eCSSProperty_list_style_type)) {
  57     // type: enum
  58     const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::type);
  59     if (value && value->Type() == nsAttrValue::eEnum) {
  60       aBuilder.SetKeywordValue(eCSSProperty_list_style_type,
  61                                value->GetEnumValue());
  62     }
  63   }
  64
  65   // Map <li value=INTEGER> to 'counter-set: list-item INTEGER'.
  66   const nsAttrValue* attrVal = aBuilder.GetAttr(nsGkAtoms::value);
  67   if (attrVal && attrVal->Type() == nsAttrValue::eInteger) {
  68     if (!aBuilder.PropertyIsSet(eCSSProperty_counter_set)) {
  69       aBuilder.SetCounterSetListItem(attrVal->GetIntegerValue());
  70     }
  71   }
  72
  73   nsGenericHTMLElement::MapCommonAttributesInto(aBuilder);
  74 }
  75
  76 NS_IMETHODIMP_(bool)
  77 HTMLLIElement::IsAttributeMapped(const nsAtom* aAttribute) const {
  78   static const MappedAttributeEntry attributes[] = {
  79       {nsGkAtoms::type},
  80       {nsGkAtoms::value},
  81       {nullptr},
  82   };
  83
  84   static const MappedAttributeEntry* const map[] = {
  85       attributes,
  86       sCommonAttributeMap,
  87   };
  88
  89   return FindAttributeDependence(aAttribute, map);
  90 }
  91
  92 nsMapRuleToAttributesFunc HTMLLIElement::GetAttributeMappingFunction() const {
  93   return &MapAttributesIntoRule;
  94 }
  95
  96 JSObject* HTMLLIElement::WrapNode(JSContext* aCx,
  97                                   JS::Handle<JSObject*> aGivenProto) {
  98   return HTMLLIElement_Binding::Wrap(aCx, this, aGivenProto);
  99 }
 100
 101 }  // namespace mozilla::dom