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 "nsGkAtoms.h"
  12 #include "nsStyleConsts.h"
  13
  14 NS_IMPL_NS_NEW_HTML_ELEMENT(LI)
  15
  16 namespace mozilla::dom {
  17
  18 HTMLLIElement::~HTMLLIElement() = default;
  19
  20 NS_IMPL_ELEMENT_CLONE(HTMLLIElement)
  21
  22 // https://html.spec.whatwg.org/#lists
  23 const nsAttrValue::EnumTable HTMLLIElement::kULTypeTable[] = {
  24     {"none", ListStyle::None},
  25     {"disc", ListStyle::Disc},
  26     {"circle", ListStyle::Circle},
  27     {"square", ListStyle::Square},
  28     {nullptr, 0}};
  29
  30 // https://html.spec.whatwg.org/#lists
  31 const nsAttrValue::EnumTable HTMLLIElement::kOLTypeTable[] = {
  32     {"A", ListStyle::UpperAlpha}, {"a", ListStyle::LowerAlpha},
  33     {"I", ListStyle::UpperRoman}, {"i", ListStyle::LowerRoman},
  34     {"1", ListStyle::Decimal},    {nullptr, 0}};
  35
  36 bool HTMLLIElement::ParseAttribute(int32_t aNamespaceID, nsAtom* aAttribute,
  37                                    const nsAString& aValue,
  38                                    nsIPrincipal* aMaybeScriptedPrincipal,
  39                                    nsAttrValue& aResult) {
  40   if (aNamespaceID == kNameSpaceID_None) {
  41     if (aAttribute == nsGkAtoms::type) {
  42       return aResult.ParseEnumValue(aValue, kOLTypeTable, true) ||
  43              aResult.ParseEnumValue(aValue, kULTypeTable, false);
  44     }
  45     if (aAttribute == nsGkAtoms::value) {
  46       return aResult.ParseIntValue(aValue);
  47     }
  48   }
  49
  50   return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
  51                                               aMaybeScriptedPrincipal, aResult);
  52 }
  53
  54 void HTMLLIElement::MapAttributesIntoRule(MappedDeclarationsBuilder& aBuilder) {
  55   if (!aBuilder.PropertyIsSet(eCSSProperty_list_style_type)) {
  56     // type: enum
  57     const nsAttrValue* value = aBuilder.GetAttr(nsGkAtoms::type);
  58     if (value && value->Type() == nsAttrValue::eEnum) {
  59       aBuilder.SetKeywordValue(eCSSProperty_list_style_type,
  60                                value->GetEnumValue());
  61     }
  62   }
  63
  64   // Map <li value=INTEGER> to 'counter-set: list-item INTEGER'.
  65   const nsAttrValue* attrVal = aBuilder.GetAttr(nsGkAtoms::value);
  66   if (attrVal && attrVal->Type() == nsAttrValue::eInteger) {
  67     if (!aBuilder.PropertyIsSet(eCSSProperty_counter_set)) {
  68       aBuilder.SetCounterSetListItem(attrVal->GetIntegerValue());
  69     }
  70   }
  71
  72   nsGenericHTMLElement::MapCommonAttributesInto(aBuilder);
  73 }
  74
  75 NS_IMETHODIMP_(bool)
  76 HTMLLIElement::IsAttributeMapped(const nsAtom* aAttribute) const {
  77   static const MappedAttributeEntry attributes[] = {
  78       {nsGkAtoms::type},
  79       {nsGkAtoms::value},
  80       {nullptr},
  81   };
  82
  83   static const MappedAttributeEntry* const map[] = {
  84       attributes,
  85       sCommonAttributeMap,
  86   };
  87
  88   return FindAttributeDependence(aAttribute, map);
  89 }
  90
  91 nsMapRuleToAttributesFunc HTMLLIElement::GetAttributeMappingFunction() const {
  92   return &MapAttributesIntoRule;
  93 }
  94
  95 JSObject* HTMLLIElement::WrapNode(JSContext* aCx,
  96                                   JS::Handle<JSObject*> aGivenProto) {
  97   return HTMLLIElement_Binding::Wrap(aCx, this, aGivenProto);
  98 }
  99
 100 }  // namespace mozilla::dom