dom/html/HTMLTableCaptionElement.cpp

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #include "mozilla/dom/HTMLTableCaptionElement.h"
   7 #include "nsAttrValueInlines.h"
   8 #include "nsMappedAttributes.h"
   9 #include "nsRuleData.h"
  10 #include "mozilla/dom/HTMLTableCaptionElementBinding.h"
  11
  12 NS_IMPL_NS_NEW_HTML_ELEMENT(TableCaption)
  13
  14 namespace mozilla {
  15 namespace dom {
  16
  17 HTMLTableCaptionElement::~HTMLTableCaptionElement()
  18 {
  19 }
  20
  21 JSObject*
  22 HTMLTableCaptionElement::WrapNode(JSContext *aCx)
  23 {
  24   return HTMLTableCaptionElementBinding::Wrap(aCx, this);
  25 }
  26
  27 NS_IMPL_ISUPPORTS_INHERITED(HTMLTableCaptionElement, nsGenericHTMLElement,
  28                             nsIDOMHTMLTableCaptionElement)
  29
  30 NS_IMPL_ELEMENT_CLONE(HTMLTableCaptionElement)
  31
  32 NS_IMPL_STRING_ATTR(HTMLTableCaptionElement, Align, align)
  33
  34 static const nsAttrValue::EnumTable kCaptionAlignTable[] = {
  35   { "left",   NS_STYLE_CAPTION_SIDE_LEFT },
  36   { "right",  NS_STYLE_CAPTION_SIDE_RIGHT },
  37   { "top",    NS_STYLE_CAPTION_SIDE_TOP },
  38   { "bottom", NS_STYLE_CAPTION_SIDE_BOTTOM },
  39   { 0 }
  40 };
  41
  42 bool
  43 HTMLTableCaptionElement::ParseAttribute(int32_t aNamespaceID,
  44                                         nsIAtom* aAttribute,
  45                                         const nsAString& aValue,
  46                                         nsAttrValue& aResult)
  47 {
  48   if (aAttribute == nsGkAtoms::align && aNamespaceID == kNameSpaceID_None) {
  49     return aResult.ParseEnumValue(aValue, kCaptionAlignTable, false);
  50   }
  51
  52   return nsGenericHTMLElement::ParseAttribute(aNamespaceID, aAttribute, aValue,
  53                                               aResult);
  54 }
  55
  56 void
  57 HTMLTableCaptionElement::MapAttributesIntoRule(const nsMappedAttributes* aAttributes,
  58                                                nsRuleData* aData)
  59 {
  60   if (aData->mSIDs & NS_STYLE_INHERIT_BIT(TableBorder)) {
  61     nsCSSValue* captionSide = aData->ValueForCaptionSide();
  62     if (captionSide->GetUnit() == eCSSUnit_Null) {
  63       const nsAttrValue* value = aAttributes->GetAttr(nsGkAtoms::align);
  64       if (value && value->Type() == nsAttrValue::eEnum)
  65         captionSide->SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
  66     }
  67   }
  68
  69   nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
  70 }
  71
  72 NS_IMETHODIMP_(bool)
  73 HTMLTableCaptionElement::IsAttributeMapped(const nsIAtom* aAttribute) const
  74 {
  75   static const MappedAttributeEntry attributes[] = {
  76     { &nsGkAtoms::align },
  77     { nullptr }
  78   };
  79
  80   static const MappedAttributeEntry* const map[] = {
  81     attributes,
  82     sCommonAttributeMap,
  83   };
  84
  85   return FindAttributeDependence(aAttribute, map);
  86 }
  87
  88 nsMapRuleToAttributesFunc
  89 HTMLTableCaptionElement::GetAttributeMappingFunction() const
  90 {
  91   return &MapAttributesIntoRule;
  92 }
  93
  94 } // namespace dom
  95 } // namespace mozilla