346 lines
9.9 KiB
C++
346 lines
9.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape Communications
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* Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#include "nsIDOMHTMLTableColElement.h"
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#include "nsIHTMLTableColElement.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIHTMLContent.h"
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#include "nsIHTMLAttributes.h"
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#include "nsGenericHTMLElement.h"
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#include "nsHTMLAtoms.h"
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#include "nsHTMLIIDs.h"
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#include "nsIStyleContext.h"
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#include "nsIMutableStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsIPresContext.h"
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class nsHTMLTableColElement : public nsGenericHTMLContainerElement,
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public nsIDOMHTMLTableColElement,
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public nsIHTMLTableColElement
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{
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public:
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nsHTMLTableColElement();
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virtual ~nsHTMLTableColElement();
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// nsIDOMNode
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NS_FORWARD_IDOMNODE_NO_CLONENODE(nsGenericHTMLContainerElement::)
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// nsIDOMElement
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NS_FORWARD_IDOMELEMENT(nsGenericHTMLContainerElement::)
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// nsIDOMHTMLElement
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NS_FORWARD_IDOMHTMLELEMENT(nsGenericHTMLContainerElement::)
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// nsIDOMHTMLTableColElement
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NS_DECL_IDOMHTMLTABLECOLELEMENT
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// nsIHTMLTableColElement
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NS_IMETHOD GetSpanValue(PRInt32* aSpan);
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NS_IMETHOD StringToAttribute(nsIAtom* aAttribute,
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const nsAReadableString& aValue,
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nsHTMLValue& aResult);
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NS_IMETHOD AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsAWritableString& aResult) const;
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NS_IMETHOD GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
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nsMapAttributesFunc& aMapFunc) const;
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NS_IMETHOD GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const;
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NS_IMETHOD SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const;
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};
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nsresult
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NS_NewHTMLTableColElement(nsIHTMLContent** aInstancePtrResult,
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nsINodeInfo *aNodeInfo)
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{
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NS_ENSURE_ARG_POINTER(aInstancePtrResult);
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nsHTMLTableColElement* it = new nsHTMLTableColElement();
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsresult rv = it->Init(aNodeInfo);
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if (NS_FAILED(rv)) {
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delete it;
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return rv;
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}
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*aInstancePtrResult = NS_STATIC_CAST(nsIHTMLContent *, it);
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NS_ADDREF(*aInstancePtrResult);
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return NS_OK;
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}
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nsHTMLTableColElement::nsHTMLTableColElement()
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{
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}
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nsHTMLTableColElement::~nsHTMLTableColElement()
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{
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}
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NS_IMPL_ADDREF_INHERITED(nsHTMLTableColElement, nsGenericElement)
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NS_IMPL_RELEASE_INHERITED(nsHTMLTableColElement, nsGenericElement)
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NS_IMPL_HTMLCONTENT_QI2(nsHTMLTableColElement,
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nsGenericHTMLContainerElement,
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nsIDOMHTMLTableColElement,
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nsIHTMLTableColElement);
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nsresult
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nsHTMLTableColElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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NS_ENSURE_ARG_POINTER(aReturn);
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*aReturn = nsnull;
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nsHTMLTableColElement* it = new nsHTMLTableColElement();
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsCOMPtr<nsIDOMNode> kungFuDeathGrip(it);
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nsresult rv = it->Init(mNodeInfo);
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if (NS_FAILED(rv))
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return rv;
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CopyInnerTo(this, it, aDeep);
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*aReturn = NS_STATIC_CAST(nsIDOMNode *, it);
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NS_ADDREF(*aReturn);
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return NS_OK;
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}
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NS_IMPL_STRING_ATTR(nsHTMLTableColElement, Align, align)
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NS_IMPL_STRING_ATTR(nsHTMLTableColElement, Ch, _char)
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NS_IMPL_STRING_ATTR(nsHTMLTableColElement, ChOff, charoff)
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NS_IMPL_INT_ATTR(nsHTMLTableColElement, Span, span)
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NS_IMPL_STRING_ATTR(nsHTMLTableColElement, VAlign, valign)
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NS_IMPL_STRING_ATTR(nsHTMLTableColElement, Width, width)
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NS_IMETHODIMP
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nsHTMLTableColElement::StringToAttribute(nsIAtom* aAttribute,
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const nsAReadableString& aValue,
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nsHTMLValue& aResult)
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{
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/* ignore these attributes, stored simply as strings ch */
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/* attributes that resolve to integers */
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if (aAttribute == nsHTMLAtoms::choff) {
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if (ParseValue(aValue, 0, aResult, eHTMLUnit_Integer)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::span) {
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if (ParseValue(aValue, 1, aResult, eHTMLUnit_Integer)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::width) {
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/* attributes that resolve to integers or percents or proportions */
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if (ParseValueOrPercentOrProportional(aValue, aResult, eHTMLUnit_Pixel)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::align) {
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/* other attributes */
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if (ParseTableCellHAlignValue(aValue, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::valign) {
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if (ParseTableVAlignValue(aValue, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return NS_CONTENT_ATTR_NOT_THERE;
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}
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NS_IMETHODIMP
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nsHTMLTableColElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsAWritableString& aResult) const
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{
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/* ignore these attributes, stored already as strings
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ch
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*/
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/* ignore attributes that are of standard types
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choff, span
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*/
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if (aAttribute == nsHTMLAtoms::align) {
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if (TableCellHAlignValueToString(aValue, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::valign) {
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if (TableVAlignValueToString(aValue, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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else if (aAttribute == nsHTMLAtoms::width) {
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if (ValueOrPercentOrProportionalToString(aValue, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return nsGenericHTMLContainerElement::AttributeToString(aAttribute, aValue,
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aResult);
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}
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static void
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MapAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
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nsIMutableStyleContext* aContext,
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nsIPresContext* aPresContext)
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{
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NS_PRECONDITION(nsnull!=aContext, "bad style context arg");
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NS_PRECONDITION(nsnull!=aPresContext, "bad presentation context arg");
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if (aAttributes) {
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nsHTMLValue value;
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nsStyleText* textStyle = nsnull;
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// width
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aAttributes->GetAttribute(nsHTMLAtoms::width, value);
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if (value.GetUnit() != eHTMLUnit_Null) {
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nsStylePosition* position = (nsStylePosition*)
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aContext->GetMutableStyleData(eStyleStruct_Position);
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switch (value.GetUnit()) {
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case eHTMLUnit_Percent:
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position->mWidth.SetPercentValue(value.GetPercentValue());
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break;
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case eHTMLUnit_Pixel:
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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position->mWidth.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
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break;
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case eHTMLUnit_Proportional:
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position->mWidth.SetIntValue(value.GetIntValue(), eStyleUnit_Proportional);
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break;
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default:
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break;
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}
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}
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// align: enum
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aAttributes->GetAttribute(nsHTMLAtoms::align, value);
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if (value.GetUnit() == eHTMLUnit_Enumerated) {
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textStyle = (nsStyleText*)aContext->GetMutableStyleData(eStyleStruct_Text);
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textStyle->mTextAlign = value.GetIntValue();
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}
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// valign: enum
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aAttributes->GetAttribute(nsHTMLAtoms::valign, value);
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if (value.GetUnit() == eHTMLUnit_Enumerated) {
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if (nsnull==textStyle)
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textStyle = (nsStyleText*)aContext->GetMutableStyleData(eStyleStruct_Text);
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textStyle->mVerticalAlign.SetIntValue(value.GetIntValue(),
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eStyleUnit_Enumerated);
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}
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// span: int
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aAttributes->GetAttribute(nsHTMLAtoms::span, value);
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if (value.GetUnit() == eHTMLUnit_Integer) {
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nsStyleTable *tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
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tableStyle->mSpan = value.GetIntValue();
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}
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}
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext,
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aPresContext);
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}
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NS_IMETHODIMP
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nsHTMLTableColElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const
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{
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if ((aAttribute == nsHTMLAtoms::width) ||
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(aAttribute == nsHTMLAtoms::align) ||
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(aAttribute == nsHTMLAtoms::valign) ||
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(aAttribute == nsHTMLAtoms::span)) {
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aHint = NS_STYLE_HINT_REFLOW;
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}
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else if (!GetCommonMappedAttributesImpact(aAttribute, aHint)) {
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aHint = NS_STYLE_HINT_CONTENT;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLTableColElement::GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
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nsMapAttributesFunc& aMapFunc) const
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{
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aFontMapFunc = nsnull;
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aMapFunc = &MapAttributesInto;
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return NS_OK;
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}
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NS_METHOD nsHTMLTableColElement::GetSpanValue(PRInt32* aSpan)
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{
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if (nsnull!=aSpan) {
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PRInt32 span=-1;
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GetSpan(&span);
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if (-1==span)
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span=1; // the default;
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*aSpan = span;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLTableColElement::SizeOf(nsISizeOfHandler* aSizer,
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PRUint32* aResult) const
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{
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*aResult = sizeof(*this) + BaseSizeOf(aSizer);
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return NS_OK;
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}
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