1998-04-13 20:24:54 +00:00
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/* -*- 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 "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsHTMLDocument.h"
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#include "nsIParser.h"
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#include "nsIHTMLContentSink.h"
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#include "nsHTMLParts.h"
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#include "nsIHTMLStyleSheet.h"
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1998-05-13 23:43:44 +00:00
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#include "nsIHTMLCSSStyleSheet.h"
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1998-04-13 20:24:54 +00:00
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#include "nsIStyleSet.h"
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#include "nsIDocumentObserver.h"
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#include "nsHTMLAtoms.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIImageMap.h"
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1998-05-04 17:54:45 +00:00
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#include "nsIHTMLContent.h"
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#include "nsIDOMElement.h"
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1998-05-04 20:34:37 +00:00
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#include "nsIDOMText.h"
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1998-04-13 20:24:54 +00:00
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static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
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1998-05-04 17:54:45 +00:00
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static NS_DEFINE_IID(kIDOMElementIID, NS_IDOMELEMENT_IID);
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1998-05-04 20:34:37 +00:00
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static NS_DEFINE_IID(kIDOMTextIID, NS_IDOMTEXT_IID);
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1998-04-13 20:24:54 +00:00
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static NS_DEFINE_IID(kIHTMLDocumentIID, NS_IHTMLDOCUMENT_IID);
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NS_LAYOUT nsresult
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NS_NewHTMLDocument(nsIDocument** aInstancePtrResult)
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{
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nsHTMLDocument* doc = new nsHTMLDocument();
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return doc->QueryInterface(kIDocumentIID, (void**) aInstancePtrResult);
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}
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nsHTMLDocument::nsHTMLDocument()
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: nsDocument(),
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mAttrStyleSheet(nsnull)
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{
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nsHTMLAtoms::AddrefAtoms();
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}
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nsHTMLDocument::~nsHTMLDocument()
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{
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NS_IF_RELEASE(mAttrStyleSheet);
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nsHTMLAtoms::ReleaseAtoms();
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}
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NS_IMETHODIMP nsHTMLDocument::QueryInterface(REFNSIID aIID,
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void** aInstancePtr)
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{
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NS_PRECONDITION(nsnull != aInstancePtr, "null ptr");
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if (nsnull == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIHTMLDocumentIID)) {
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AddRef();
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*aInstancePtr = (void**) &mIHTMLDocument;
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return NS_OK;
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}
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return nsDocument::QueryInterface(aIID, aInstancePtr);
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}
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void nsHTMLDocument::LoadURL(nsIURL* aURL)
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{
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1998-05-13 23:43:44 +00:00
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// Delete references to style sheets - this should be done in superclass...
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PRInt32 index = mStyleSheets.Count();
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while (--index >= 0) {
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nsIStyleSheet* sheet = (nsIStyleSheet*) mStyleSheets.ElementAt(index);
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NS_RELEASE(sheet);
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}
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mStyleSheets.Clear();
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1998-04-13 20:24:54 +00:00
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NS_IF_RELEASE(mAttrStyleSheet);
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NS_IF_RELEASE(mDocumentURL);
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if (nsnull != mDocumentTitle) {
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delete mDocumentTitle;
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mDocumentTitle = nsnull;
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}
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mDocumentURL = aURL;
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NS_ADDREF(aURL);
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nsIParser* parser;
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nsresult rv = NS_NewHTMLParser(&parser);
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if (NS_OK == rv) {
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nsIHTMLContentSink* sink;
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rv = NS_NewHTMLContentSink(&sink, this, aURL);
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if (NS_OK == rv) {
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nsIHTMLCSSStyleSheet* styleAttrSheet;
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if (NS_OK == NS_NewHTMLCSSStyleSheet(&styleAttrSheet, aURL)) {
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AddStyleSheet(styleAttrSheet); // tell the world about our new style sheet
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NS_RELEASE(styleAttrSheet);
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}
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1998-04-13 20:24:54 +00:00
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if (NS_OK == NS_NewHTMLStyleSheet(&mAttrStyleSheet, aURL)) {
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AddStyleSheet(mAttrStyleSheet); // tell the world about our new style sheet
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}
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parser->SetContentSink(sink);
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parser->Parse(aURL);
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NS_RELEASE(sink);
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}
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NS_RELEASE(parser);
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}
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//XXX return NS_OK;
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}
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static NS_DEFINE_IID(kIDocumentObserverIID, NS_IDOCUMENTOBSERVER_IID);
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NS_IMETHODIMP nsHTMLDocument::SetTitle(const nsString& aTitle)
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{
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if (nsnull == mDocumentTitle) {
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mDocumentTitle = new nsString(aTitle);
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}
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else {
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*mDocumentTitle = aTitle;
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}
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// Pass on title to observers
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PRInt32 i, n = mObservers.Count();
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for (i = 0; i < n; i++) {
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nsIDocumentObserver* observer = (nsIDocumentObserver*)mObservers[i];
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observer->SetTitle(*mDocumentTitle);
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}
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// Pass on to any interested containers
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n = mPresShells.Count();
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for (i = 0; i < n; i++) {
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nsIPresShell* shell = (nsIPresShell*) mPresShells.ElementAt(i);
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nsIPresContext* cx = shell->GetPresContext();
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nsISupports* container;
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if (NS_OK == cx->GetContainer(&container)) {
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if (nsnull != container) {
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nsIDocumentObserver* docob;
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if (NS_OK == container->QueryInterface(kIDocumentObserverIID,
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(void**) &docob)) {
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docob->SetTitle(aTitle);
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NS_RELEASE(docob);
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}
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NS_RELEASE(container);
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}
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}
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NS_RELEASE(cx);
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}
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return NS_OK;
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}
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NS_IMETHODIMP nsHTMLDocument::AddImageMap(nsIImageMap* aMap)
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{
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NS_PRECONDITION(nsnull != aMap, "null ptr");
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if (nsnull == aMap) {
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return NS_ERROR_NULL_POINTER;
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}
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if (mImageMaps.AppendElement(aMap)) {
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NS_ADDREF(aMap);
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return NS_OK;
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}
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return NS_ERROR_OUT_OF_MEMORY;
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}
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NS_IMETHODIMP nsHTMLDocument::GetImageMap(const nsString& aMapName,
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nsIImageMap** aResult)
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{
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NS_PRECONDITION(nsnull != aResult, "null ptr");
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if (nsnull == aResult) {
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return NS_ERROR_NULL_POINTER;
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}
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nsAutoString name;
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PRInt32 i, n = mImageMaps.Count();
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for (i = 0; i < n; i++) {
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nsIImageMap* map = (nsIImageMap*) mImageMaps.ElementAt(i);
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if (NS_OK == map->GetName(name)) {
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if (name.EqualsIgnoreCase(aMapName)) {
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*aResult = map;
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NS_ADDREF(map);
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return NS_OK;
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}
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}
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}
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return 1;/* XXX NS_NOT_FOUND */
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}
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void nsHTMLDocument::AddStyleSheetToSet(nsIStyleSheet* aSheet, nsIStyleSet* aSet)
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{
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if ((nsnull != mAttrStyleSheet) && (aSheet != mAttrStyleSheet)) {
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aSet->InsertDocStyleSheetBefore(aSheet, mAttrStyleSheet);
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}
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else {
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aSet->AppendDocStyleSheet(aSheet);
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}
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}
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1998-05-04 17:54:45 +00:00
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nsresult nsHTMLDocument::CreateElement(nsString &aTagName,
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nsIDOMAttributeList *aAttributes,
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nsIDOMElement **aElement)
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{
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nsIHTMLContent* container = nsnull;
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nsAutoString tmp(aTagName);
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nsIAtom* atom;
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nsresult rv;
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tmp.ToUpperCase();
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atom = NS_NewAtom(tmp);
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rv = NS_NewHTMLContainer(&container, atom);
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if (NS_OK == rv) {
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rv = container->QueryInterface(kIDOMElementIID, (void**)aElement);
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}
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NS_RELEASE(atom);
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return rv;
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}
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1998-05-04 20:34:37 +00:00
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nsresult nsHTMLDocument::CreateTextNode(nsString &aData, nsIDOMText** aTextNode)
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{
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nsIHTMLContent* text = nsnull;
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nsresult rv = NS_NewHTMLText(&text, aData, aData.Length());
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if (NS_OK == rv) {
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rv = text->QueryInterface(kIDOMTextIID, (void**)aTextNode);
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}
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return rv;
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}
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1998-04-13 20:24:54 +00:00
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//----------------------------------------------------------------------
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// Aggregation class to give nsHTMLDocument the nsIHTMLDocument interface
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#define GET_OUTER() \
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((nsHTMLDocument*) ((char*)this - nsHTMLDocument::GetOuterOffset()))
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nsHTMLDocument::AggIHTMLDocument::AggIHTMLDocument() {
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NS_INIT_REFCNT();
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}
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nsHTMLDocument::AggIHTMLDocument::~AggIHTMLDocument() { }
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NS_IMETHODIMP_(nsrefcnt) nsHTMLDocument::AggIHTMLDocument::AddRef() {
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return GET_OUTER()->AddRef();
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}
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NS_IMETHODIMP_(nsrefcnt) nsHTMLDocument::AggIHTMLDocument::Release() {
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return GET_OUTER()->Release();
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}
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NS_IMETHODIMP nsHTMLDocument::AggIHTMLDocument::QueryInterface(REFNSIID aIID,
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void** aInstancePtr)
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{
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return GET_OUTER()->QueryInterface(aIID, aInstancePtr);
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}
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NS_IMETHODIMP nsHTMLDocument::AggIHTMLDocument::SetTitle(const nsString& aTitle) {
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return GET_OUTER()->SetTitle(aTitle);
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}
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NS_IMETHODIMP nsHTMLDocument::AggIHTMLDocument::AddImageMap(nsIImageMap* aMap) {
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return GET_OUTER()->AddImageMap(aMap);
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}
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NS_IMETHODIMP nsHTMLDocument::AggIHTMLDocument::GetImageMap(const nsString& aMapName,
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nsIImageMap** aResult) {
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return GET_OUTER()->GetImageMap(aMapName, aResult);
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}
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