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lightning-sunbird  0.9+nobinonly
nsHTMLTableCaptionElement.cpp
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00001 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
00002 /* ***** BEGIN LICENSE BLOCK *****
00003  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
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00010  * Software distributed under the License is distributed on an "AS IS" basis,
00011  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
00012  * for the specific language governing rights and limitations under the
00013  * License.
00014  *
00015  * The Original Code is Mozilla Communicator client code.
00016  *
00017  * The Initial Developer of the Original Code is
00018  * Netscape Communications Corporation.
00019  * Portions created by the Initial Developer are Copyright (C) 1998
00020  * the Initial Developer. All Rights Reserved.
00021  *
00022  * Contributor(s):
00023  *
00024  * Alternatively, the contents of this file may be used under the terms of
00025  * either of the GNU General Public License Version 2 or later (the "GPL"),
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00036  * ***** END LICENSE BLOCK ***** */
00037 #include "nsIDOMHTMLTableCaptionElem.h"
00038 #include "nsIDOMEventReceiver.h"
00039 #include "nsGenericHTMLElement.h"
00040 #include "nsHTMLAtoms.h"
00041 #include "nsStyleConsts.h"
00042 #include "nsPresContext.h"
00043 #include "nsMappedAttributes.h"
00044 #include "nsRuleData.h"
00045 
00046 class nsHTMLTableCaptionElement :  public nsGenericHTMLElement,
00047                                    public nsIDOMHTMLTableCaptionElement
00048 {
00049 public:
00050   nsHTMLTableCaptionElement(nsINodeInfo *aNodeInfo);
00051   virtual ~nsHTMLTableCaptionElement();
00052 
00053   // nsISupports
00054   NS_DECL_ISUPPORTS_INHERITED
00055 
00056   // nsIDOMNode
00057   NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsGenericHTMLElement::)
00058 
00059   // nsIDOMElement
00060   NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
00061 
00062   // nsIDOMHTMLElement
00063   NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
00064 
00065   // nsIDOMHTMLTableCaptionElement
00066   NS_DECL_NSIDOMHTMLTABLECAPTIONELEMENT
00067 
00068   virtual PRBool ParseAttribute(nsIAtom* aAttribute,
00069                                 const nsAString& aValue,
00070                                 nsAttrValue& aResult);
00071   virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
00072   NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
00073 };
00074 
00075 
00076 NS_IMPL_NS_NEW_HTML_ELEMENT(TableCaption)
00077 
00078 
00079 nsHTMLTableCaptionElement::nsHTMLTableCaptionElement(nsINodeInfo *aNodeInfo)
00080   : nsGenericHTMLElement(aNodeInfo)
00081 {
00082 }
00083 
00084 nsHTMLTableCaptionElement::~nsHTMLTableCaptionElement()
00085 {
00086 }
00087 
00088 
00089 NS_IMPL_ADDREF_INHERITED(nsHTMLTableCaptionElement, nsGenericElement)
00090 NS_IMPL_RELEASE_INHERITED(nsHTMLTableCaptionElement, nsGenericElement)
00091 
00092 
00093 // QueryInterface implementation for nsHTMLTableCaptionElement
00094 NS_HTML_CONTENT_INTERFACE_MAP_BEGIN(nsHTMLTableCaptionElement,
00095                                     nsGenericHTMLElement)
00096   NS_INTERFACE_MAP_ENTRY(nsIDOMHTMLTableCaptionElement)
00097   NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(HTMLTableCaptionElement)
00098 NS_HTML_CONTENT_INTERFACE_MAP_END
00099 
00100 
00101 NS_IMPL_DOM_CLONENODE(nsHTMLTableCaptionElement)
00102 
00103 
00104 NS_IMPL_STRING_ATTR(nsHTMLTableCaptionElement, Align, align)
00105 
00106 
00107 static const nsAttrValue::EnumTable kCaptionAlignTable[] = {
00108   { "left",  NS_SIDE_LEFT },
00109   { "right", NS_SIDE_RIGHT },
00110   { "top",   NS_SIDE_TOP},
00111   { "bottom",NS_SIDE_BOTTOM},
00112   { 0 }
00113 };
00114 
00115 PRBool
00116 nsHTMLTableCaptionElement::ParseAttribute(nsIAtom* aAttribute,
00117                                           const nsAString& aValue,
00118                                           nsAttrValue& aResult)
00119 {
00120   if (aAttribute == nsHTMLAtoms::align) {
00121     return aResult.ParseEnumValue(aValue, kCaptionAlignTable);
00122   }
00123 
00124   return nsGenericHTMLElement::ParseAttribute(aAttribute, aValue, aResult);
00125 }
00126 
00127 static 
00128 void MapAttributesIntoRule(const nsMappedAttributes* aAttributes, nsRuleData* aData)
00129 {
00130   if (aData->mSID == eStyleStruct_TableBorder) {
00131     if (aData->mTableData->mCaptionSide.GetUnit() == eCSSUnit_Null) {
00132       const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::align);
00133       if (value && value->Type() == nsAttrValue::eEnum)
00134         aData->mTableData->mCaptionSide.SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
00135     }
00136   }
00137 
00138   nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
00139 }
00140 
00141 NS_IMETHODIMP_(PRBool)
00142 nsHTMLTableCaptionElement::IsAttributeMapped(const nsIAtom* aAttribute) const
00143 {
00144   static const MappedAttributeEntry attributes[] = {
00145     { &nsHTMLAtoms::align },
00146     { nsnull }
00147   };
00148 
00149   static const MappedAttributeEntry* const map[] = {
00150     attributes,
00151     sCommonAttributeMap,
00152   };
00153 
00154   return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
00155 }
00156 
00157 
00158 
00159 nsMapRuleToAttributesFunc
00160 nsHTMLTableCaptionElement::GetAttributeMappingFunction() const
00161 {
00162   return &MapAttributesIntoRule;
00163 }