Back to index

lightning-sunbird  0.9+nobinonly
nsHTMLHeadingElement.cpp
Go to the documentation of this file.
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
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
00006  * 1.1 (the "License"); you may not use this file except in compliance with
00007  * the License. You may obtain a copy of the License at
00008  * http://www.mozilla.org/MPL/
00009  *
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"),
00026  * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
00027  * in which case the provisions of the GPL or the LGPL are applicable instead
00028  * of those above. If you wish to allow use of your version of this file only
00029  * under the terms of either the GPL or the LGPL, and not to allow others to
00030  * use your version of this file under the terms of the MPL, indicate your
00031  * decision by deleting the provisions above and replace them with the notice
00032  * and other provisions required by the GPL or the LGPL. If you do not delete
00033  * the provisions above, a recipient may use your version of this file under
00034  * the terms of any one of the MPL, the GPL or the LGPL.
00035  *
00036  * ***** END LICENSE BLOCK ***** */
00037 #include "nsIDOMHTMLHeadingElement.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 nsHTMLHeadingElement : public nsGenericHTMLElement,
00047                              public nsIDOMHTMLHeadingElement
00048 {
00049 public:
00050   nsHTMLHeadingElement(nsINodeInfo *aNodeInfo);
00051   virtual ~nsHTMLHeadingElement();
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   // nsIDOMHTMLHeadingElement
00066   NS_DECL_NSIDOMHTMLHEADINGELEMENT
00067 
00068   virtual PRBool ParseAttribute(nsIAtom* aAttribute,
00069                                 const nsAString& aValue,
00070                                 nsAttrValue& aResult);
00071   NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
00072   nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
00073 };
00074 
00075 
00076 NS_IMPL_NS_NEW_HTML_ELEMENT(Heading)
00077 
00078 
00079 nsHTMLHeadingElement::nsHTMLHeadingElement(nsINodeInfo *aNodeInfo)
00080   : nsGenericHTMLElement(aNodeInfo)
00081 {
00082 }
00083 
00084 nsHTMLHeadingElement::~nsHTMLHeadingElement()
00085 {
00086 }
00087 
00088 
00089 NS_IMPL_ADDREF_INHERITED(nsHTMLHeadingElement, nsGenericElement) 
00090 NS_IMPL_RELEASE_INHERITED(nsHTMLHeadingElement, nsGenericElement) 
00091 
00092 
00093 // QueryInterface implementation for nsHTMLHeadingElement
00094 NS_HTML_CONTENT_INTERFACE_MAP_BEGIN(nsHTMLHeadingElement, nsGenericHTMLElement)
00095   NS_INTERFACE_MAP_ENTRY(nsIDOMHTMLHeadingElement)
00096   NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(HTMLHeadingElement)
00097 NS_HTML_CONTENT_INTERFACE_MAP_END
00098 
00099 
00100 NS_IMPL_DOM_CLONENODE(nsHTMLHeadingElement)
00101 
00102 
00103 NS_IMPL_STRING_ATTR(nsHTMLHeadingElement, Align, align)
00104 
00105 
00106 PRBool
00107 nsHTMLHeadingElement::ParseAttribute(nsIAtom* aAttribute,
00108                                      const nsAString& aValue,
00109                                      nsAttrValue& aResult)
00110 {
00111   if (aAttribute == nsHTMLAtoms::align) {
00112     return ParseDivAlignValue(aValue, aResult);
00113   }
00114 
00115   return nsGenericHTMLElement::ParseAttribute(aAttribute, aValue, aResult);
00116 }
00117 
00118 static void
00119 MapAttributesIntoRule(const nsMappedAttributes* aAttributes, nsRuleData* aData)
00120 {
00121   nsGenericHTMLElement::MapDivAlignAttributeInto(aAttributes, aData);
00122   nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
00123 }
00124 
00125 NS_IMETHODIMP_(PRBool)
00126 nsHTMLHeadingElement::IsAttributeMapped(const nsIAtom* aAttribute) const
00127 {
00128   static const MappedAttributeEntry* const map[] = {
00129     sDivAlignAttributeMap,
00130     sCommonAttributeMap
00131   };
00132 
00133   return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
00134 }
00135 
00136 
00137 nsMapRuleToAttributesFunc
00138 nsHTMLHeadingElement::GetAttributeMappingFunction() const
00139 {
00140   return &MapAttributesIntoRule;
00141 }