589 lines
18 KiB
C++
589 lines
18 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 License
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* Version 1.0 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* 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 Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsIDOMHTMLTableElement.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 "nsStyleConsts.h"
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#include "nsIPresContext.h"
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static NS_DEFINE_IID(kIDOMHTMLTableElementIID, NS_IDOMHTMLTABLEELEMENT_IID);
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class nsHTMLTableElement : public nsIDOMHTMLTableElement,
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public nsIScriptObjectOwner,
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public nsIDOMEventReceiver,
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public nsIHTMLContent
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{
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public:
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nsHTMLTableElement(nsIAtom* aTag);
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~nsHTMLTableElement();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIDOMNode
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NS_IMPL_IDOMNODE_USING_GENERIC(mInner)
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// nsIDOMElement
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NS_IMPL_IDOMELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLElement
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NS_IMPL_IDOMHTMLELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLTableElement
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NS_IMETHOD GetCaption(nsIDOMHTMLTableCaptionElement** aCaption);
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NS_IMETHOD SetCaption(nsIDOMHTMLTableCaptionElement* aCaption);
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NS_IMETHOD GetTHead(nsIDOMHTMLTableSectionElement** aTHead);
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NS_IMETHOD SetTHead(nsIDOMHTMLTableSectionElement* aTHead);
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NS_IMETHOD GetTFoot(nsIDOMHTMLTableSectionElement** aTFoot);
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NS_IMETHOD SetTFoot(nsIDOMHTMLTableSectionElement* aTFoot);
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NS_IMETHOD GetRows(nsIDOMHTMLCollection** aRows);
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NS_IMETHOD GetTBodies(nsIDOMHTMLCollection** aTBodies);
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NS_IMETHOD GetAlign(nsString& aAlign);
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NS_IMETHOD SetAlign(const nsString& aAlign);
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NS_IMETHOD GetBgColor(nsString& aBgColor);
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NS_IMETHOD SetBgColor(const nsString& aBgColor);
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NS_IMETHOD GetBorder(nsString& aBorder);
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NS_IMETHOD SetBorder(const nsString& aBorder);
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NS_IMETHOD GetCellPadding(nsString& aCellPadding);
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NS_IMETHOD SetCellPadding(const nsString& aCellPadding);
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NS_IMETHOD GetCellSpacing(nsString& aCellSpacing);
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NS_IMETHOD SetCellSpacing(const nsString& aCellSpacing);
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NS_IMETHOD GetFrame(nsString& aFrame);
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NS_IMETHOD SetFrame(const nsString& aFrame);
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NS_IMETHOD GetRules(nsString& aRules);
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NS_IMETHOD SetRules(const nsString& aRules);
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NS_IMETHOD GetSummary(nsString& aSummary);
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NS_IMETHOD SetSummary(const nsString& aSummary);
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NS_IMETHOD GetWidth(nsString& aWidth);
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NS_IMETHOD SetWidth(const nsString& aWidth);
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NS_IMETHOD CreateTHead(nsIDOMHTMLElement** aReturn);
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NS_IMETHOD DeleteTHead();
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NS_IMETHOD CreateTFoot(nsIDOMHTMLElement** aReturn);
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NS_IMETHOD DeleteTFoot();
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NS_IMETHOD CreateCaption(nsIDOMHTMLElement** aReturn);
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NS_IMETHOD DeleteCaption();
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NS_IMETHOD InsertRow(PRInt32 aIndex, nsIDOMHTMLElement** aReturn);
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NS_IMETHOD DeleteRow(PRInt32 aIndex);
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// nsIScriptObjectOwner
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
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// nsIDOMEventReceiver
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NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC(mInner)
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// nsIContent
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NS_IMPL_ICONTENT_USING_GENERIC(mInner)
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// nsIHTMLContent
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NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
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protected:
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nsGenericHTMLContainerElement mInner;
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};
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nsresult
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NS_NewHTMLTableElement(nsIHTMLContent** aInstancePtrResult, nsIAtom* aTag)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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nsIHTMLContent* it = new nsHTMLTableElement(aTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(kIHTMLContentIID, (void**) aInstancePtrResult);
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}
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nsHTMLTableElement::nsHTMLTableElement(nsIAtom* aTag)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aTag);
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}
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nsHTMLTableElement::~nsHTMLTableElement()
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{
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}
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NS_IMPL_ADDREF(nsHTMLTableElement)
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NS_IMPL_RELEASE(nsHTMLTableElement)
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nsresult
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nsHTMLTableElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
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if (aIID.Equals(kIDOMHTMLTableElementIID)) {
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nsIDOMHTMLTableElement* tmp = this;
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*aInstancePtr = (void*) tmp;
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mRefCnt++;
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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nsresult
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nsHTMLTableElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsHTMLTableElement* it = new nsHTMLTableElement(mInner.mTag);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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mInner.CopyInnerTo(this, &it->mInner);
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return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
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}
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// the DOM spec says border, cellpadding, cellSpacing are all "wstring"
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// in fact, they are integers or they are meaningless. so we store them here as ints.
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, Align, align)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, BgColor, bgcolor)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, Border, border)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, CellPadding, cellpadding)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, CellSpacing, cellspacing)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, Frame, frame)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, Rules, rules)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, Summary, summary)
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NS_IMPL_STRING_ATTR(nsHTMLTableElement, Width, width)
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NS_IMETHODIMP
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nsHTMLTableElement::GetCaption(nsIDOMHTMLTableCaptionElement** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::SetCaption(nsIDOMHTMLTableCaptionElement* aValue)
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{
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::GetTHead(nsIDOMHTMLTableSectionElement** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::SetTHead(nsIDOMHTMLTableSectionElement* aValue)
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{
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::GetTFoot(nsIDOMHTMLTableSectionElement** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::SetTFoot(nsIDOMHTMLTableSectionElement* aValue)
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{
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::GetRows(nsIDOMHTMLCollection** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::GetTBodies(nsIDOMHTMLCollection** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::CreateTHead(nsIDOMHTMLElement** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::DeleteTHead()
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{
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::CreateTFoot(nsIDOMHTMLElement** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::DeleteTFoot()
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{
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::CreateCaption(nsIDOMHTMLElement** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::DeleteCaption()
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{
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::InsertRow(PRInt32 aIndex, nsIDOMHTMLElement** aValue)
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{
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*aValue = nsnull;
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return NS_OK; // XXX write me
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}
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NS_IMETHODIMP
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nsHTMLTableElement::DeleteRow(PRInt32 aValue)
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{
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return NS_OK; // XXX write me
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}
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static nsGenericHTMLElement::EnumTable kFrameTable[] = {
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{ "void", NS_STYLE_TABLE_FRAME_NONE },
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{ "above", NS_STYLE_TABLE_FRAME_ABOVE },
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{ "below", NS_STYLE_TABLE_FRAME_BELOW },
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{ "hsides", NS_STYLE_TABLE_FRAME_HSIDES },
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{ "lhs", NS_STYLE_TABLE_FRAME_LEFT },
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{ "rhs", NS_STYLE_TABLE_FRAME_RIGHT },
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{ "vsides", NS_STYLE_TABLE_FRAME_VSIDES },
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{ "box", NS_STYLE_TABLE_FRAME_BOX },
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{ "border", NS_STYLE_TABLE_FRAME_BORDER },
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{ 0 }
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};
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static nsGenericHTMLElement::EnumTable kRulesTable[] = {
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{ "none", NS_STYLE_TABLE_RULES_NONE },
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{ "groups", NS_STYLE_TABLE_RULES_GROUPS },
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{ "rows", NS_STYLE_TABLE_RULES_ROWS },
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{ "cols", NS_STYLE_TABLE_RULES_COLS },
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{ "all", NS_STYLE_TABLE_RULES_ALL },
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{ 0 }
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};
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static nsGenericHTMLElement::EnumTable kLayoutTable[] = {
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{ "auto", NS_STYLE_TABLE_LAYOUT_AUTO },
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{ "fixed", NS_STYLE_TABLE_LAYOUT_FIXED },
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{ 0 }
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};
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NS_IMETHODIMP
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nsHTMLTableElement::StringToAttribute(nsIAtom* aAttribute,
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const nsString& aValue,
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nsHTMLValue& aResult)
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{
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/* ignore summary, just a string */
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/* attributes that resolve to pixels, with min=0 */
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if ((aAttribute == nsHTMLAtoms::cellspacing) ||
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(aAttribute == nsHTMLAtoms::cellpadding)) {
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nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Pixel);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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/* attributes that are either empty, or integers, with min=0 */
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else if (aAttribute == nsHTMLAtoms::cols) {
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nsAutoString tmp(aValue);
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tmp.StripWhitespace();
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if (0 == tmp.Length()) {
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// Just set COLS, same as COLS=number of columns
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aResult.SetEmptyValue();
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}
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else
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{
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nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Integer);
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}
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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/* attributes that are either empty, or pixels */
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else if (aAttribute == nsHTMLAtoms::border) {
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nsAutoString tmp(aValue);
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tmp.StripWhitespace();
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if (0 == tmp.Length()) {
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// Just enable the border; same as border=1
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aResult.SetEmptyValue();
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}
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else
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{
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nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Pixel);
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}
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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/* attributes that resolve to integers or percents */
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else if (aAttribute == nsHTMLAtoms::height) {
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nsGenericHTMLElement::ParseValueOrPercent(aValue, aResult, eHTMLUnit_Pixel);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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/* attributes that resolve to integers or percents or proportions */
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else if (aAttribute == nsHTMLAtoms::width) {
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nsGenericHTMLElement::ParseValueOrPercentOrProportional(aValue, aResult, eHTMLUnit_Pixel);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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/* other attributes */
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else if (aAttribute == nsHTMLAtoms::align) {
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if (nsGenericHTMLElement::ParseTableHAlignValue(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::background) {
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nsAutoString href(aValue);
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href.StripWhitespace();
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aResult.SetStringValue(href);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::bgcolor) {
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nsGenericHTMLElement::ParseColor(aValue, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::frame) {
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nsGenericHTMLElement::ParseEnumValue(aValue, kFrameTable, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::layout) {
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nsGenericHTMLElement::ParseEnumValue(aValue, kLayoutTable, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::rules) {
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nsGenericHTMLElement::ParseEnumValue(aValue, kRulesTable, aResult);
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return NS_CONTENT_ATTR_HAS_VALUE;
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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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nsHTMLTableElement::AttributeToString(nsIAtom* aAttribute,
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nsHTMLValue& aValue,
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nsString& aResult) const
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{
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/* ignore summary, just a string */
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/* ignore attributes that are of standard types
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border, cellpadding, cellspacing, cols, height, width, background, bgcolor
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*/
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if (aAttribute == nsHTMLAtoms::align) {
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if (nsGenericHTMLElement::TableHAlignValueToString(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::frame) {
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if (nsGenericHTMLElement::EnumValueToString(aValue, kFrameTable, 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::layout) {
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if (nsGenericHTMLElement::EnumValueToString(aValue, kLayoutTable, 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::rules) {
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if (nsGenericHTMLElement::EnumValueToString(aValue, kRulesTable, aResult)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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}
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return mInner.AttributeToString(aAttribute, aValue, aResult);
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}
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// XXX: this is only sufficient for Nav4/HTML3.2
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// XXX: needs to be filled in for HTML4
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static void
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MapTableBorderInto(nsIHTMLAttributes* aAttributes,
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nsIStyleContext* 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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nsHTMLValue value;
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aAttributes->GetAttribute(nsHTMLAtoms::border, value);
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if (value.GetUnit() == eHTMLUnit_String)
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{
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nsAutoString borderAsString;
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value.GetStringValue(borderAsString);
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nsGenericHTMLElement::ParseValue(borderAsString, 0, value, eHTMLUnit_Pixel);
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}
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if ((value.GetUnit() == eHTMLUnit_Pixel) ||
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(value.GetUnit() == eHTMLUnit_Empty)) {
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nsStyleSpacing* spacing = (nsStyleSpacing*)
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aContext->GetMutableStyleData(eStyleStruct_Spacing);
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float p2t = aPresContext->GetPixelsToTwips();
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nsStyleCoord twips;
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if (value.GetUnit() == eHTMLUnit_Empty) {
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twips.SetCoordValue(NSIntPixelsToTwips(1, p2t));
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}
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else {
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twips.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
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}
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spacing->mBorder.SetTop(twips);
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spacing->mBorder.SetRight(twips);
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spacing->mBorder.SetBottom(twips);
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spacing->mBorder.SetLeft(twips);
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if (spacing->mBorderStyle[0] == NS_STYLE_BORDER_STYLE_NONE) {
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spacing->mBorderStyle[0] = NS_STYLE_BORDER_STYLE_OUTSET;
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}
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if (spacing->mBorderStyle[1] == NS_STYLE_BORDER_STYLE_NONE) {
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spacing->mBorderStyle[1] = NS_STYLE_BORDER_STYLE_OUTSET;
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}
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if (spacing->mBorderStyle[2] == NS_STYLE_BORDER_STYLE_NONE) {
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spacing->mBorderStyle[2] = NS_STYLE_BORDER_STYLE_OUTSET;
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}
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if (spacing->mBorderStyle[3] == NS_STYLE_BORDER_STYLE_NONE) {
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spacing->mBorderStyle[3] = NS_STYLE_BORDER_STYLE_OUTSET;
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}
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}
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}
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static void
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MapAttributesInto(nsIHTMLAttributes* aAttributes,
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nsIStyleContext* 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 (nsnull!=aAttributes)
|
|
{
|
|
float p2t = aPresContext->GetPixelsToTwips();
|
|
nsHTMLValue value;
|
|
|
|
// width
|
|
aAttributes->GetAttribute(nsHTMLAtoms::width, value);
|
|
if (value.GetUnit() != eHTMLUnit_Null) {
|
|
nsStylePosition* position = (nsStylePosition*)
|
|
aContext->GetMutableStyleData(eStyleStruct_Position);
|
|
switch (value.GetUnit()) {
|
|
case eHTMLUnit_Percent:
|
|
position->mWidth.SetPercentValue(value.GetPercentValue());
|
|
break;
|
|
|
|
case eHTMLUnit_Pixel:
|
|
position->mWidth.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
|
|
break;
|
|
}
|
|
}
|
|
// border
|
|
MapTableBorderInto(aAttributes, aContext, aPresContext);
|
|
|
|
// align
|
|
aAttributes->GetAttribute(nsHTMLAtoms::align, value);
|
|
if (value.GetUnit() == eHTMLUnit_Enumerated) { // it may be another type if illegal
|
|
nsStyleDisplay* display = (nsStyleDisplay*)aContext->GetMutableStyleData(eStyleStruct_Display);
|
|
switch (value.GetIntValue()) {
|
|
case NS_STYLE_TEXT_ALIGN_LEFT:
|
|
display->mFloats = NS_STYLE_FLOAT_LEFT;
|
|
break;
|
|
|
|
case NS_STYLE_TEXT_ALIGN_RIGHT:
|
|
display->mFloats = NS_STYLE_FLOAT_RIGHT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
// layout
|
|
nsStyleTable* tableStyle=nsnull;
|
|
aAttributes->GetAttribute(nsHTMLAtoms::layout, value);
|
|
if (value.GetUnit() == eHTMLUnit_Enumerated) { // it may be another type if illegal
|
|
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
|
|
tableStyle->mLayoutStrategy = value.GetIntValue();
|
|
}
|
|
|
|
// cellpadding
|
|
aAttributes->GetAttribute(nsHTMLAtoms::cellpadding, value);
|
|
if (value.GetUnit() == eHTMLUnit_Pixel) {
|
|
if (nsnull==tableStyle)
|
|
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
|
|
tableStyle->mCellPadding.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
|
|
}
|
|
|
|
// cellspacing (reuses tableStyle if already resolved)
|
|
aAttributes->GetAttribute(nsHTMLAtoms::cellspacing, value);
|
|
if (value.GetUnit() == eHTMLUnit_Pixel) {
|
|
if (nsnull==tableStyle)
|
|
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
|
|
tableStyle->mCellSpacing.SetCoordValue(NSIntPixelsToTwips(value.GetPixelValue(), p2t));
|
|
}
|
|
else
|
|
{ // XXX: remove me as soon as we get this from the style sheet
|
|
if (nsnull==tableStyle)
|
|
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
|
|
tableStyle->mCellSpacing.SetCoordValue(NSIntPixelsToTwips(2, p2t));
|
|
}
|
|
|
|
// cols
|
|
aAttributes->GetAttribute(nsHTMLAtoms::cols, value);
|
|
if (value.GetUnit() != eHTMLUnit_Null) {
|
|
if (nsnull==tableStyle)
|
|
tableStyle = (nsStyleTable*)aContext->GetMutableStyleData(eStyleStruct_Table);
|
|
if (value.GetUnit() == eHTMLUnit_Integer)
|
|
tableStyle->mCols = value.GetIntValue();
|
|
else // COLS had no value, so it refers to all columns
|
|
tableStyle->mCols = NS_STYLE_TABLE_COLS_ALL;
|
|
}
|
|
|
|
//background: color
|
|
nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aContext, aPresContext);
|
|
nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLTableElement::GetAttributeMappingFunction(nsMapAttributesFunc& aMapFunc) const
|
|
{
|
|
aMapFunc = &MapAttributesInto;
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLTableElement::HandleDOMEvent(nsIPresContext& aPresContext,
|
|
nsEvent* aEvent,
|
|
nsIDOMEvent** aDOMEvent,
|
|
PRUint32 aFlags,
|
|
nsEventStatus& aEventStatus)
|
|
{
|
|
return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
|
|
aFlags, aEventStatus);
|
|
}
|