479 lines
17 KiB
C++
479 lines
17 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsIDOMHTMLEmbedElement.h"
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#include "nsIDOMHTMLIsIndexElement.h"
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#include "nsIDOMHTMLParamElement.h"
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#include "nsIDOMHTMLBaseElement.h"
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#include "nsIDOMHTMLDirectoryElement.h"
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#include "nsIDOMHTMLMenuElement.h"
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#include "nsIDOMHTMLQuoteElement.h"
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#include "nsIDOMHTMLBaseFontElement.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIHTMLContent.h"
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#include "nsGenericHTMLElement.h"
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#include "nsImageLoadingContent.h"
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#include "nsHTMLAtoms.h"
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#include "nsStyleConsts.h"
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#include "nsPresContext.h"
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#include "nsRuleData.h"
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#include "nsMappedAttributes.h"
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#include "nsStyleContext.h"
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// XXX nav4 has type= start= (same as OL/UL)
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extern nsHTMLValue::EnumTable kListTypeTable[];
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class nsHTMLSharedElement : public nsGenericHTMLElement,
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public nsImageLoadingContent,
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public nsIDOMHTMLEmbedElement,
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public nsIDOMHTMLIsIndexElement,
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public nsIDOMHTMLParamElement,
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public nsIDOMHTMLBaseElement,
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public nsIDOMHTMLDirectoryElement,
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public nsIDOMHTMLMenuElement,
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public nsIDOMHTMLQuoteElement,
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public nsIDOMHTMLBaseFontElement
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{
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public:
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nsHTMLSharedElement(nsINodeInfo *aNodeInfo);
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virtual ~nsHTMLSharedElement();
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMNode
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NS_FORWARD_NSIDOMNODE_NO_CLONENODE(nsGenericHTMLElement::)
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// nsIDOMElement
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NS_FORWARD_NSIDOMELEMENT(nsGenericHTMLElement::)
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// nsIDOMHTMLElement
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NS_FORWARD_NSIDOMHTMLELEMENT(nsGenericHTMLElement::)
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// nsIDOMHTMLEmbedElement
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NS_DECL_NSIDOMHTMLEMBEDELEMENT
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// nsIDOMHTMLIsIndexElement
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NS_DECL_NSIDOMHTMLISINDEXELEMENT
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// nsIDOMHTMLParamElement Can't use the macro
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// NS_DECL_NSIDOMHTMLPARAMELEMENT since some of the methods in
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// nsIDOMHTMLParamElement clashes with methods in
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// nsIDOMHTMLEmbedElement
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NS_IMETHOD GetValue(nsAString& aValue);
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NS_IMETHOD SetValue(const nsAString& aValue);
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NS_IMETHOD GetValueType(nsAString& aValueType);
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NS_IMETHOD SetValueType(const nsAString& aValueType);
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// nsIDOMHTMLBaseElement
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NS_DECL_NSIDOMHTMLBASEELEMENT
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// nsIDOMHTMLDirectoryElement
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NS_DECL_NSIDOMHTMLDIRECTORYELEMENT
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// nsIDOMHTMLMenuElement
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// Same as directoryelement
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// nsIDOMHTMLQuoteElement
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NS_DECL_NSIDOMHTMLQUOTEELEMENT
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// nsIDOMHTMLBaseFontElement
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NS_DECL_NSIDOMHTMLBASEFONTELEMENT
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virtual PRBool ParseAttribute(nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult);
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NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsAString& aResult) const;
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NS_IMETHOD GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const;
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NS_IMETHOD_(PRBool) IsAttributeMapped(const nsIAtom* aAttribute) const;
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};
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NS_IMPL_NS_NEW_HTML_ELEMENT(Shared)
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nsHTMLSharedElement::nsHTMLSharedElement(nsINodeInfo *aNodeInfo)
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: nsGenericHTMLElement(aNodeInfo)
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{
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}
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nsHTMLSharedElement::~nsHTMLSharedElement()
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{
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}
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NS_IMPL_ADDREF_INHERITED(nsHTMLSharedElement, nsGenericElement)
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NS_IMPL_RELEASE_INHERITED(nsHTMLSharedElement, nsGenericElement)
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// QueryInterface implementation for nsHTMLSharedElement
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NS_HTML_CONTENT_INTERFACE_MAP_AMBIGOUS_BEGIN(nsHTMLSharedElement,
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nsGenericHTMLElement,
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nsIDOMHTMLEmbedElement)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLEmbedElement, embed)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(imgIDecoderObserver, embed)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIImageLoadingContent, embed)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLParamElement, param)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLIsIndexElement, isindex)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLBaseElement, base)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLDirectoryElement, dir)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLMenuElement, menu)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLQuoteElement, q)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLQuoteElement, blockquote)
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NS_INTERFACE_MAP_ENTRY_IF_TAG(nsIDOMHTMLBaseFontElement, basefont)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLEmbedElement, embed)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLParamElement, param)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLWBRElement, wbr)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLIsIndexElement, isindex)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLBaseElement, base)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLSpacerElement, spacer)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLDirectoryElement, dir)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLMenuElement, menu)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLQuoteElement, q)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLQuoteElement, blockquote)
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NS_INTERFACE_MAP_ENTRY_CONTENT_CLASSINFO_IF_TAG(HTMLBaseFontElement, basefont)
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NS_HTML_CONTENT_INTERFACE_MAP_END
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NS_IMPL_DOM_CLONENODE_AMBIGUOUS(nsHTMLSharedElement, nsIDOMHTMLEmbedElement)
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/////////////////////////////////////////////
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// Implement nsIDOMHTMLEmbedElement interface
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Align, align)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Height, height)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Width, width)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Name, name)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Type, type)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Src, src)
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// nsIDOMHTMLParamElement
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Value, value)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, ValueType, valuetype)
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// nsIDOMHTMLIsIndexElement
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Prompt, prompt)
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// nsIDOMHTMLDirectoryElement
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NS_IMPL_BOOL_ATTR(nsHTMLSharedElement, Compact, compact)
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// nsIDOMHTMLMenuElement
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//NS_IMPL_BOOL_ATTR(nsHTMLSharedElement, Compact, compact)
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// nsIDOMHTMLQuoteElement
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NS_IMPL_URI_ATTR(nsHTMLSharedElement, Cite, cite)
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// nsIDOMHTMLBaseFontElement
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Color, color)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Face, face)
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NS_IMPL_INT_ATTR(nsHTMLSharedElement, Size, size)
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NS_IMETHODIMP
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nsHTMLSharedElement::GetForm(nsIDOMHTMLFormElement** aForm)
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{
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*aForm = FindForm().get();
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return NS_OK;
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}
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// nsIDOMHTMLBaseElement
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NS_IMPL_URI_ATTR(nsHTMLSharedElement, Href, href)
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NS_IMPL_STRING_ATTR(nsHTMLSharedElement, Target, target)
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// spacer element code
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PRBool
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nsHTMLSharedElement::ParseAttribute(nsIAtom* aAttribute,
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const nsAString& aValue,
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nsAttrValue& aResult)
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{
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if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
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if (aAttribute == nsHTMLAtoms::align) {
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return ParseAlignValue(aValue, aResult);
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}
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if (ParseImageAttribute(aAttribute, aValue, aResult)) {
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return PR_TRUE;
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}
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}
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else if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
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if (aAttribute == nsHTMLAtoms::size) {
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return aResult.ParseIntWithBounds(aValue, 0);
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}
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if (aAttribute == nsHTMLAtoms::align) {
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return ParseAlignValue(aValue, aResult);
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}
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if (aAttribute == nsHTMLAtoms::width ||
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aAttribute == nsHTMLAtoms::height) {
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return aResult.ParseSpecialIntValue(aValue, PR_TRUE, PR_FALSE);
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}
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}
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else if (mNodeInfo->Equals(nsHTMLAtoms::dir) ||
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mNodeInfo->Equals(nsHTMLAtoms::menu)) {
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if (aAttribute == nsHTMLAtoms::type) {
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return aResult.ParseEnumValue(aValue, kListTypeTable);
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}
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if (aAttribute == nsHTMLAtoms::start) {
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return aResult.ParseIntWithBounds(aValue, 1);
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}
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}
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else if (mNodeInfo->Equals(nsHTMLAtoms::basefont)) {
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if (aAttribute == nsHTMLAtoms::size) {
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return aResult.ParseIntValue(aValue);
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}
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}
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return nsGenericHTMLElement::ParseAttribute(aAttribute, aValue, aResult);
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}
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NS_IMETHODIMP
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nsHTMLSharedElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsAString& aResult) const
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{
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if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
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if (aAttribute == nsHTMLAtoms::align) {
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if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
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AlignValueToString(aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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}
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else if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
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if (aAttribute == nsHTMLAtoms::align) {
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if (eHTMLUnit_Enumerated == aValue.GetUnit()) {
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AlignValueToString(aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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}
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else if (mNodeInfo->Equals(nsHTMLAtoms::dir) ||
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mNodeInfo->Equals(nsHTMLAtoms::menu)) {
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if (aAttribute == nsHTMLAtoms::type) {
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aValue.EnumValueToString(kListTypeTable, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return nsGenericHTMLElement::AttributeToString(aAttribute, aValue, aResult);
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}
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static void
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SpacerMapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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nsGenericHTMLElement::MapImageMarginAttributeInto(aAttributes, aData);
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nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
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if (aData->mSID == eStyleStruct_Position) {
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const nsStyleDisplay* display = aData->mStyleContext->GetStyleDisplay();
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PRBool typeIsBlock = (display->mDisplay == NS_STYLE_DISPLAY_BLOCK);
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if (typeIsBlock) {
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// width: value
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if (aData->mPositionData->mWidth.GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::width);
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if (value && value->Type() == nsAttrValue::eInteger) {
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aData->mPositionData->
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mWidth.SetFloatValue((float)value->GetIntegerValue(),
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eCSSUnit_Pixel);
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} else if (value && value->Type() == nsAttrValue::ePercent) {
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aData->mPositionData->
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mWidth.SetPercentValue(value->GetPercentValue());
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}
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}
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// height: value
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if (aData->mPositionData->mHeight.GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::height);
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if (value && value->Type() == nsAttrValue::eInteger) {
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aData->mPositionData->
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mHeight.SetFloatValue((float)value->GetIntegerValue(),
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eCSSUnit_Pixel);
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} else if (value && value->Type() == nsAttrValue::ePercent) {
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aData->mPositionData->
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mHeight.SetPercentValue(value->GetPercentValue());
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}
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}
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} else {
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// size: value
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if (aData->mPositionData->mWidth.GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::size);
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if (value && value->Type() == nsAttrValue::eInteger)
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aData->mPositionData->
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mWidth.SetFloatValue((float)value->GetIntegerValue(),
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eCSSUnit_Pixel);
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}
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}
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} else if (aData->mSID == eStyleStruct_Display) {
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const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::align);
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if (value && value->Type() == nsAttrValue::eEnum) {
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PRInt32 align = value->GetEnumValue();
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if (aData->mDisplayData->mFloat.GetUnit() == eCSSUnit_Null) {
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if (align == NS_STYLE_TEXT_ALIGN_LEFT)
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aData->mDisplayData->mFloat.SetIntValue(NS_STYLE_FLOAT_LEFT,
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eCSSUnit_Enumerated);
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else if (align == NS_STYLE_TEXT_ALIGN_RIGHT)
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aData->mDisplayData->mFloat.SetIntValue(NS_STYLE_FLOAT_RIGHT,
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eCSSUnit_Enumerated);
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}
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}
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if (aData->mDisplayData->mDisplay.GetUnit() == eCSSUnit_Null) {
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const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::type);
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if (value && value->Type() == nsAttrValue::eString) {
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nsAutoString tmp(value->GetStringValue());
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if (tmp.LowerCaseEqualsLiteral("line") ||
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tmp.LowerCaseEqualsLiteral("vert") ||
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tmp.LowerCaseEqualsLiteral("vertical") ||
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tmp.LowerCaseEqualsLiteral("block")) {
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// This is not strictly 100% compatible: if the spacer is given
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// a width of zero then it is basically ignored.
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aData->mDisplayData->mDisplay.SetIntValue(NS_STYLE_DISPLAY_BLOCK,
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eCSSUnit_Enumerated);
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}
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}
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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static void
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EmbedMapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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nsGenericHTMLElement::MapImageBorderAttributeInto(aAttributes, aData);
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nsGenericHTMLElement::MapImageMarginAttributeInto(aAttributes, aData);
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nsGenericHTMLElement::MapImageSizeAttributesInto(aAttributes, aData);
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nsGenericHTMLElement::MapImageAlignAttributeInto(aAttributes, aData);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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static void
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DirectoryMenuMapAttributesIntoRule(const nsMappedAttributes* aAttributes,
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nsRuleData* aData)
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{
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if (aData->mSID == eStyleStruct_List) {
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if (aData->mListData->mType.GetUnit() == eCSSUnit_Null) {
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// type: enum
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const nsAttrValue* value = aAttributes->GetAttr(nsHTMLAtoms::type);
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if (value) {
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if (value->Type() == nsAttrValue::eEnum)
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aData->mListData->mType.SetIntValue(value->GetEnumValue(), eCSSUnit_Enumerated);
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else
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aData->mListData->mType.SetIntValue(NS_STYLE_LIST_STYLE_DISC, eCSSUnit_Enumerated);
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}
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aData);
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}
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NS_IMETHODIMP_(PRBool)
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nsHTMLSharedElement::IsAttributeMapped(const nsIAtom* aAttribute) const
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{
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if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
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static const MappedAttributeEntry* const map[] = {
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sCommonAttributeMap,
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sImageMarginSizeAttributeMap,
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sImageAlignAttributeMap,
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sImageBorderAttributeMap
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};
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return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
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}
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if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
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static const MappedAttributeEntry attributes[] = {
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// XXXldb This is just wrong.
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{ &nsHTMLAtoms::usemap },
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{ &nsHTMLAtoms::ismap },
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{ &nsHTMLAtoms::align },
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{ nsnull }
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap,
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sImageMarginSizeAttributeMap,
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sImageBorderAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
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}
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if (mNodeInfo->Equals(nsHTMLAtoms::dir)) {
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static const MappedAttributeEntry attributes[] = {
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{ &nsHTMLAtoms::type },
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// { &nsHTMLAtoms::compact }, // XXX
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{ nsnull}
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};
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static const MappedAttributeEntry* const map[] = {
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attributes,
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sCommonAttributeMap,
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};
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return FindAttributeDependence(aAttribute, map, NS_ARRAY_LENGTH(map));
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}
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return nsGenericHTMLElement::IsAttributeMapped(aAttribute);
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}
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NS_IMETHODIMP
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nsHTMLSharedElement::GetAttributeMappingFunction(nsMapRuleToAttributesFunc& aMapRuleFunc) const
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{
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if (mNodeInfo->Equals(nsHTMLAtoms::embed)) {
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|
aMapRuleFunc = &EmbedMapAttributesIntoRule;
|
|
}
|
|
else if (mNodeInfo->Equals(nsHTMLAtoms::spacer)) {
|
|
aMapRuleFunc = &SpacerMapAttributesIntoRule;
|
|
}
|
|
else if (mNodeInfo->Equals(nsHTMLAtoms::dir) ||
|
|
mNodeInfo->Equals(nsHTMLAtoms::menu)) {
|
|
aMapRuleFunc = &DirectoryMenuMapAttributesIntoRule;
|
|
}
|
|
else {
|
|
nsGenericHTMLElement::GetAttributeMappingFunction(aMapRuleFunc);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|