401 lines
11 KiB
C++
401 lines
11 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 "nsIDOMHTMLTableSectionElement.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 "nsHTMLParts.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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#include "GenericElementCollection.h"
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// you will see the phrases "rowgroup" and "section" used interchangably
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class nsHTMLTableSectionElement : public nsGenericHTMLContainerElement,
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public nsIDOMHTMLTableSectionElement
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{
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public:
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nsHTMLTableSectionElement();
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virtual ~nsHTMLTableSectionElement();
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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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// nsIDOMHTMLTableSectionElement
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NS_DECL_IDOMHTMLTABLESECTIONELEMENT
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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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protected:
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GenericElementCollection *mRows;
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};
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nsresult
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NS_NewHTMLTableSectionElement(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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nsHTMLTableSectionElement* it = new nsHTMLTableSectionElement();
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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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nsHTMLTableSectionElement::nsHTMLTableSectionElement()
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{
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mRows = nsnull;
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}
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nsHTMLTableSectionElement::~nsHTMLTableSectionElement()
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{
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if (nsnull!=mRows) {
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mRows->ParentDestroyed();
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NS_RELEASE(mRows);
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}
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}
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NS_IMPL_ADDREF_INHERITED(nsHTMLTableSectionElement, nsGenericElement)
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NS_IMPL_RELEASE_INHERITED(nsHTMLTableSectionElement, nsGenericElement)
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NS_IMPL_HTMLCONTENT_QI(nsHTMLTableSectionElement,
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nsGenericHTMLContainerElement,
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nsIDOMHTMLTableSectionElement);
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nsresult
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nsHTMLTableSectionElement::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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nsHTMLTableSectionElement* it = new nsHTMLTableSectionElement();
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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(nsHTMLTableSectionElement, Align, align)
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NS_IMPL_STRING_ATTR(nsHTMLTableSectionElement, VAlign, valign)
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NS_IMPL_STRING_ATTR(nsHTMLTableSectionElement, Ch, ch)
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NS_IMPL_STRING_ATTR(nsHTMLTableSectionElement, ChOff, choff)
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NS_IMETHODIMP
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nsHTMLTableSectionElement::GetRows(nsIDOMHTMLCollection** aValue)
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{
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*aValue = nsnull;
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if (!mRows) {
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//XXX why was this here NS_ADDREF(nsHTMLAtoms::tr);
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mRows = new GenericElementCollection(this, nsHTMLAtoms::tr);
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NS_ENSURE_TRUE(mRows, NS_ERROR_OUT_OF_MEMORY);
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NS_ADDREF(mRows); // this table's reference, released in the destructor
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}
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mRows->QueryInterface(NS_GET_IID(nsIDOMHTMLCollection), (void **)aValue);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLTableSectionElement::InsertRow(PRInt32 aIndex,
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nsIDOMHTMLElement** aValue)
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{
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*aValue = nsnull;
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nsCOMPtr<nsIDOMHTMLCollection> rows;
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GetRows(getter_AddRefs(rows));
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PRUint32 rowCount;
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rows->GetLength(&rowCount);
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PRBool doInsert = (aIndex < PRInt32(rowCount));
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// create the row
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nsCOMPtr<nsIHTMLContent> rowContent;
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nsCOMPtr<nsINodeInfo> nodeInfo;
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mNodeInfo->NameChanged(nsHTMLAtoms::tr, *getter_AddRefs(nodeInfo));
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nsresult rv = NS_NewHTMLTableRowElement(getter_AddRefs(rowContent),
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nodeInfo);
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if (NS_SUCCEEDED(rv) && rowContent) {
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nsCOMPtr<nsIDOMNode> rowNode(do_QueryInterface(rowContent));
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if (NS_SUCCEEDED(rv) && rowNode) {
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nsCOMPtr<nsIDOMNode> retChild;
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if (doInsert) {
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PRInt32 refIndex = PR_MAX(aIndex, 0);
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nsCOMPtr<nsIDOMNode> refRow;
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rows->Item(refIndex, getter_AddRefs(refRow));
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rv = InsertBefore(rowNode, refRow, getter_AddRefs(retChild));
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} else {
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rv = AppendChild(rowNode, getter_AddRefs(retChild));
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}
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if (retChild) {
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retChild->QueryInterface(NS_GET_IID(nsIDOMHTMLElement),
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(void **)aValue);
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}
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}
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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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nsHTMLTableSectionElement::DeleteRow(PRInt32 aValue)
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{
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nsCOMPtr<nsIDOMHTMLCollection> rows;
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GetRows(getter_AddRefs(rows));
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nsCOMPtr<nsIDOMNode> row;
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rows->Item(aValue, getter_AddRefs(row));
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if (row) {
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nsCOMPtr<nsIDOMNode> retChild;
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RemoveChild(row, getter_AddRefs(retChild));
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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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nsHTMLTableSectionElement::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
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ch
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*/
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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::height) {
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/* attributes that resolve to integers or percents */
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if (ParseValueOrPercent(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::bgcolor) {
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if (ParseColor(aValue, mDocument, 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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nsHTMLTableSectionElement::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, height, width, background, bgcolor
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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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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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nsHTMLValue widthValue;
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nsStyleText* textStyle = nsnull;
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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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// height: pixel
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aAttributes->GetAttribute(nsHTMLAtoms::height, value);
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if (value.GetUnit() == eHTMLUnit_Pixel) {
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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nsStylePosition* pos = (nsStylePosition*)
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aContext->GetMutableStyleData(eStyleStruct_Position);
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nscoord twips = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
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pos->mHeight.SetCoordValue(twips);
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}
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nsGenericHTMLElement::MapBackgroundAttributesInto(aAttributes, aContext,
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aPresContext);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext,
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aPresContext);
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}
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}
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NS_IMETHODIMP
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nsHTMLTableSectionElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const
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{
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if ((aAttribute == nsHTMLAtoms::align) ||
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(aAttribute == nsHTMLAtoms::valign) ||
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(aAttribute == nsHTMLAtoms::height)) {
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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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if (!GetBackgroundAttributesImpact(aAttribute, aHint)) {
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aHint = NS_STYLE_HINT_CONTENT;
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}
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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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nsHTMLTableSectionElement::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_IMETHODIMP
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nsHTMLTableSectionElement::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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