386 lines
12 KiB
C++
386 lines
12 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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static NS_DEFINE_IID(kIDOMHTMLTableSectionElementIID, NS_IDOMHTMLTABLESECTIONELEMENT_IID);
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static NS_DEFINE_IID(kIDOMHTMLCollectionIID, NS_IDOMHTMLCOLLECTION_IID);
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// you will see the phrases "rowgroup" and "section" used interchangably
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class nsHTMLTableSectionElement : public nsIDOMHTMLTableSectionElement,
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public nsIJSScriptObject,
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public nsIHTMLContent
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{
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public:
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nsHTMLTableSectionElement(nsINodeInfo *aNodeInfo);
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virtual ~nsHTMLTableSectionElement();
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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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// nsIDOMHTMLTableSectionElement
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NS_IMETHOD GetCh(nsString& aCh);
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NS_IMETHOD SetCh(const nsString& aCh);
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NS_IMETHOD GetChOff(nsString& aChOff);
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NS_IMETHOD SetChOff(const nsString& aChOff);
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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 GetVAlign(nsString& aVAlign);
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NS_IMETHOD SetVAlign(const nsString& aVAlign);
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NS_IMETHOD GetRows(nsIDOMHTMLCollection** aRows);
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NS_IMETHOD InsertRow(PRInt32 aIndex, nsIDOMHTMLElement** aReturn);
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NS_IMETHOD DeleteRow(PRInt32 aIndex);
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// nsIJSScriptObject
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NS_IMPL_IJSSCRIPTOBJECT_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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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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NS_ENSURE_ARG_POINTER(aNodeInfo);
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nsIHTMLContent* it = new nsHTMLTableSectionElement(aNodeInfo);
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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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nsHTMLTableSectionElement::nsHTMLTableSectionElement(nsINodeInfo *aNodeInfo)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aNodeInfo);
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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(nsHTMLTableSectionElement)
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NS_IMPL_RELEASE(nsHTMLTableSectionElement)
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nsresult
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nsHTMLTableSectionElement::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(kIDOMHTMLTableSectionElementIID)) {
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nsIDOMHTMLTableSectionElement* tmp = this;
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*aInstancePtr = (void*) tmp;
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NS_ADDREF_THIS();
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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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nsHTMLTableSectionElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsHTMLTableSectionElement* it = new nsHTMLTableSectionElement(mInner.mNodeInfo);
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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, aDeep);
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return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
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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 (nsnull == 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_ADDREF(mRows); // this table's reference, released in the destructor
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}
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mRows->QueryInterface(kIDOMHTMLCollectionIID, (void **)aValue); // caller's addref
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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, 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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nsIHTMLContent* rowContent = nsnull;
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nsCOMPtr<nsINodeInfo> nodeInfo;
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mInner.mNodeInfo->NameChanged(nsHTMLAtoms::tr, *getter_AddRefs(nodeInfo));
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nsresult rv = NS_NewHTMLTableRowElement(&rowContent, nodeInfo);
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if (NS_SUCCEEDED(rv) && (nsnull != rowContent)) {
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nsIDOMNode* rowNode = nsnull;
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rv = rowContent->QueryInterface(kIDOMNodeIID, (void **)&rowNode);
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if (NS_SUCCEEDED(rv) && (nsnull != rowNode)) {
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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, (nsIDOMNode **)aValue);
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} else {
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rv = AppendChild(rowNode, (nsIDOMNode **)aValue);
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}
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NS_RELEASE(rowNode);
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}
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NS_RELEASE(rowContent);
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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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nsIDOMHTMLCollection *rows;
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GetRows(&rows);
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nsIDOMNode *row = nsnull;
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rows->Item(aValue, &row);
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if (nsnull != row) {
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RemoveChild(row, &row);
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}
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NS_RELEASE(rows);
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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 nsString& 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 (nsGenericHTMLElement::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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/* attributes that resolve to integers or percents */
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else if (aAttribute == nsHTMLAtoms::height) {
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if (nsGenericHTMLElement::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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/* other attributes */
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else if (aAttribute == nsHTMLAtoms::align) {
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if (mInner.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 (nsGenericHTMLElement::ParseColor(aValue, mInner.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 (nsGenericHTMLElement::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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nsString& 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 (mInner.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 (nsGenericHTMLElement::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 mInner.AttributeToString(aAttribute, aValue, 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 (nsnull!=aAttributes)
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{
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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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{
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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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{
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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(), 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, aPresContext);
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, 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 (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {
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if (! nsGenericHTMLElement::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::HandleDOMEvent(nsIPresContext* aPresContext,
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nsEvent* aEvent,
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nsIDOMEvent** aDOMEvent,
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PRUint32 aFlags,
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nsEventStatus* aEventStatus)
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{
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return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
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aFlags, aEventStatus);
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}
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NS_IMETHODIMP
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nsHTMLTableSectionElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
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{
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if (!aResult) return NS_ERROR_NULL_POINTER;
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#ifdef DEBUG
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PRUint32 sum = 0;
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mInner.SizeOf(aSizer, &sum, sizeof(*this));
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if (mRows) {
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PRUint32 asize;
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mRows->SizeOf(aSizer, &asize);
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sum += asize;
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}
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*aResult = sum;
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#endif
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return NS_OK;
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}
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