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lightning-sunbird  0.9+nobinonly
nsHTMLParagraphElement.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
00004  *
00005  * The contents of this file are subject to the Mozilla Public License Version
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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"),
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00036  * ***** END LICENSE BLOCK ***** */
00037 #include "nsIDOMHTMLParagraphElement.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 // XXX missing nav attributes
00047 
00048 
00049 class nsHTMLParagraphElement : public nsGenericHTMLElement,
00050                                public nsIDOMHTMLParagraphElement
00051 {
00052 public:
00053   nsHTMLParagraphElement(nsINodeInfo *aNodeInfo);
00054   virtual ~nsHTMLParagraphElement();
00055 
00056   // nsISupports
00057   NS_DECL_ISUPPORTS_INHERITED
00058 
00059   // nsIDOMNode
00060   NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsGenericHTMLElement::)
00061 
00062   // nsIDOMElement
00063   NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
00064 
00065   // nsIDOMHTMLElement
00066   NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
00067 
00068   // nsIDOMHTMLParagraphElement
00069   NS_DECL_NSIDOMHTMLPARAGRAPHELEMENT
00070 
00071   virtual PRBool ParseAttribute(nsIAtom* aAttribute,
00072                                 const nsAString& aValue,
00073                                 nsAttrValue& aResult);
00074   NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
00075   virtual nsMapRuleToAttributesFunc GetAttributeMappingFunction() const;
00076 };
00077 
00078 
00079 NS_IMPL_NS_NEW_HTML_ELEMENT(Paragraph)
00080 
00081 
00082 nsHTMLParagraphElement::nsHTMLParagraphElement(nsINodeInfo *aNodeInfo)
00083   : nsGenericHTMLElement(aNodeInfo)
00084 {
00085 }
00086 
00087 nsHTMLParagraphElement::~nsHTMLParagraphElement()
00088 {
00089 }
00090 
00091 
00092 NS_IMPL_ADDREF_INHERITED(nsHTMLParagraphElement, nsGenericElement)
00093 NS_IMPL_RELEASE_INHERITED(nsHTMLParagraphElement, nsGenericElement)
00094 
00095 
00096 // QueryInterface implementation for nsHTMLParagraphElement
00097 NS_HTML_CONTENT_INTERFACE_MAP_BEGIN(nsHTMLParagraphElement,
00098                                     nsGenericHTMLElement)
00099   NS_INTERFACE_MAP_ENTRY(nsIDOMHTMLParagraphElement)
00100   NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO(HTMLParagraphElement)
00101 NS_HTML_CONTENT_INTERFACE_MAP_END
00102 
00103 
00104 NS_IMPL_DOM_CLONENODE(nsHTMLParagraphElement)
00105 
00106 
00107 NS_IMPL_STRING_ATTR(nsHTMLParagraphElement, Align, align)
00108 
00109 
00110 PRBool
00111 nsHTMLParagraphElement::ParseAttribute(nsIAtom* aAttribute,
00112                                        const nsAString& aValue,
00113                                        nsAttrValue& aResult)
00114 {
00115   if (aAttribute == nsHTMLAtoms::align) {
00116     return ParseDivAlignValue(aValue, aResult);
00117   }
00118 
00119   return nsGenericHTMLElement::ParseAttribute(aAttribute, aValue, aResult);
00120 }
00121 
00122 static void
00123 MapAttributesIntoRule(const nsMappedAttributes* aAttributes, nsRuleData* aData)
00124 {
00125   nsGenericHTMLElement::MapDivAlignAttributeInto(aAttributes, aData);
00126   nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
00127 }
00128 
00129 NS_IMETHODIMP_(PRBool)
00130 nsHTMLParagraphElement::IsAttributeMapped(const nsIAtom* aAttribute) const
00131 {
00132   static const MappedAttributeEntry* const map[] = {
00133     sDivAlignAttributeMap,
00134     sCommonAttributeMap,
00135   };
00136 
00137   return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
00138 }
00139 
00140 
00141 nsMapRuleToAttributesFunc
00142 nsHTMLParagraphElement::GetAttributeMappingFunction() const
00143 {
00144   return &MapAttributesIntoRule;
00145 }