зеркало из https://github.com/mozilla/gecko-dev.git
367 строки
11 KiB
C++
367 строки
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.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications 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 "nslayout.h"
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#include "nsLayoutModule.h"
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#include "nsIFactory.h"
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#include "nsISupports.h"
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#include "nsLayoutCID.h"
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#include "nsIDocument.h"
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#include "nsIHTMLContent.h"
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#include "nsITextContent.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIDOMSelection.h"
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#include "nsIFrameUtil.h"
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#include "nsHTMLAtoms.h"
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#include "nsHTMLParts.h"
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#include "nsDOMCID.h"
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#include "nsIServiceManager.h"
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#include "nsICSSParser.h"
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#include "nsIHTMLStyleSheet.h"
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#include "nsIHTMLCSSStyleSheet.h"
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#include "nsICSSLoader.h"
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#include "nsIDOMRange.h"
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#include "nsIContentIterator.h"
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#include "nsINameSpaceManager.h"
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#include "nsIScriptNameSetRegistry.h"
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#include "nsIScriptNameSpaceManager.h"
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#include "nsIScriptExternalNameSet.h"
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#include "nsIEventListenerManager.h"
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#include "nsILayoutDebugger.h"
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#include "nsIElementFactory.h"
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#include "nsIDocumentEncoder.h"
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#include "nsCOMPtr.h"
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#include "nsIFrameSelection.h"
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#include "nsIXBLService.h"
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class nsIDocumentLoaderFactory;
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static NS_DEFINE_CID(kComponentManagerCID, NS_COMPONENTMANAGER_CID);
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static NS_DEFINE_IID(kHTMLDocumentCID, NS_HTMLDOCUMENT_CID);
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static NS_DEFINE_IID(kXMLDocumentCID, NS_XMLDOCUMENT_CID);
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static NS_DEFINE_CID(kXMLElementFactoryCID, NS_XML_ELEMENT_FACTORY_CID);
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static NS_DEFINE_IID(kImageDocumentCID, NS_IMAGEDOCUMENT_CID);
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static NS_DEFINE_IID(kCSSParserCID, NS_CSSPARSER_CID);
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static NS_DEFINE_CID(kHTMLStyleSheetCID, NS_HTMLSTYLESHEET_CID);
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static NS_DEFINE_CID(kHTMLCSSStyleSheetCID, NS_HTML_CSS_STYLESHEET_CID);
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static NS_DEFINE_CID(kCSSLoaderCID, NS_CSS_LOADER_CID);
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static NS_DEFINE_IID(kHTMLImageElementCID, NS_HTMLIMAGEELEMENT_CID);
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static NS_DEFINE_IID(kHTMLOptionElementCID, NS_HTMLOPTIONELEMENT_CID);
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static NS_DEFINE_CID(kSelectionCID, NS_SELECTION_CID);
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static NS_DEFINE_IID(kFrameSelectionCID, NS_FRAMESELECTION_CID);
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static NS_DEFINE_IID(kRangeCID, NS_RANGE_CID);
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static NS_DEFINE_IID(kContentIteratorCID, NS_CONTENTITERATOR_CID);
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static NS_DEFINE_IID(kSubtreeIteratorCID, NS_SUBTREEITERATOR_CID);
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static NS_DEFINE_CID(kPresShellCID, NS_PRESSHELL_CID);
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static NS_DEFINE_CID(kTextNodeCID, NS_TEXTNODE_CID);
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static NS_DEFINE_CID(kNameSpaceManagerCID, NS_NAMESPACEMANAGER_CID);
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static NS_DEFINE_CID(kFrameUtilCID, NS_FRAME_UTIL_CID);
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static NS_DEFINE_CID(kEventListenerManagerCID, NS_EVENTLISTENERMANAGER_CID);
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static NS_DEFINE_CID(kPrintPreviewContextCID, NS_PRINT_PREVIEW_CONTEXT_CID);
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static NS_DEFINE_CID(kLayoutDocumentLoaderFactoryCID, NS_LAYOUT_DOCUMENT_LOADER_FACTORY_CID);
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static NS_DEFINE_CID(kLayoutDebuggerCID, NS_LAYOUT_DEBUGGER_CID);
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static NS_DEFINE_CID(kHTMLElementFactoryCID, NS_HTML_ELEMENT_FACTORY_CID);
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static NS_DEFINE_CID(kTextEncoderCID, NS_TEXT_ENCODER_CID);
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static NS_DEFINE_CID(kXBLServiceCID, NS_XBLSERVICE_CID);
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extern nsresult NS_NewRangeList(nsIFrameSelection** aResult);
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extern nsresult NS_NewRange(nsIDOMRange** aResult);
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extern nsresult NS_NewContentIterator(nsIContentIterator** aResult);
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extern nsresult NS_NewContentSubtreeIterator(nsIContentIterator** aResult);
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extern nsresult NS_NewLayoutDocumentLoaderFactory(nsIDocumentLoaderFactory** aResult);
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#ifdef NS_DEBUG
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extern nsresult NS_NewFrameUtil(nsIFrameUtil** aResult);
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extern nsresult NS_NewLayoutDebugger(nsILayoutDebugger** aResult);
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#endif
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extern nsresult NS_NewHTMLElementFactory(nsIElementFactory** aResult);
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extern nsresult NS_NewXMLElementFactory(nsIElementFactory** aResult);
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extern nsresult NS_NewHTMLEncoder(nsIDocumentEncoder** aResult);
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extern nsresult NS_NewTextEncoder(nsIDocumentEncoder** aResult);
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extern nsresult NS_NewXBLService(nsIXBLService** aResult);
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//----------------------------------------------------------------------
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nsLayoutFactory::nsLayoutFactory(const nsCID &aClass)
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{
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NS_INIT_ISUPPORTS();
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mClassID = aClass;
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#if 0
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char* cs = aClass.ToString();
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printf("+++ Creating layout factory for %s\n", cs);
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nsCRT::free(cs);
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#endif
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}
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nsLayoutFactory::~nsLayoutFactory()
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{
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#if 0
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char* cs = mClassID.ToString();
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printf("+++ Destroying layout factory for %s\n", cs);
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nsCRT::free(cs);
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#endif
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}
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NS_IMPL_ISUPPORTS(nsLayoutFactory, NS_GET_IID(nsIFactory))
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#ifdef DEBUG
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#define LOG_NEW_FAILURE(_msg,_ec) \
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printf("nsLayoutFactory::CreateInstance failed for %s: error=%d(0x%x)\n", \
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_msg, _ec, _ec)
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#else
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#define LOG_NEW_FAILURE(_msg,_ec)
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#endif
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nsresult
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nsLayoutFactory::CreateInstance(nsISupports *aOuter,
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const nsIID &aIID,
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void **aResult)
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{
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nsresult res;
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if (aResult == NULL) {
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return NS_ERROR_NULL_POINTER;
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}
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*aResult = NULL;
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if (aOuter) {
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return NS_ERROR_NO_AGGREGATION;
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}
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nsISupports *inst = nsnull;
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// XXX ClassID check happens here
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if (mClassID.Equals(kHTMLDocumentCID)) {
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res = NS_NewHTMLDocument((nsIDocument **)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewHTMLDocument", res);
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return res;
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}
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}
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else if (mClassID.Equals(kXMLDocumentCID)) {
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res = NS_NewXMLDocument((nsIDocument **)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewXMLDocument", res);
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return res;
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}
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}
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else if (mClassID.Equals(kImageDocumentCID)) {
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res = NS_NewImageDocument((nsIDocument **)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewImageDocument", res);
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return res;
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}
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}
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#if 1
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// XXX replace these with nsIElementFactory calls
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else if (mClassID.Equals(kHTMLImageElementCID)) {
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res = NS_NewHTMLImageElement((nsIHTMLContent**)&inst, nsHTMLAtoms::img);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewHTMLImageElement", res);
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return res;
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}
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}
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else if (mClassID.Equals(kHTMLOptionElementCID)) {
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res = NS_NewHTMLOptionElement((nsIHTMLContent**)&inst, nsHTMLAtoms::option);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewHTMLOptionElement", res);
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return res;
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}
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}
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// XXX why the heck is this exported???? bad bad bad bad
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else if (mClassID.Equals(kPresShellCID)) {
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res = NS_NewPresShell((nsIPresShell**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewPresShell", res);
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return res;
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}
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}
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#endif
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else if (mClassID.Equals(kFrameSelectionCID)) {
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res = NS_NewRangeList((nsIFrameSelection**)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewRangeList", res);
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return res;
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}
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}
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else if (mClassID.Equals(kRangeCID)) {
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res = NS_NewRange((nsIDOMRange **)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewRange", res);
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return res;
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}
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}
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else if (mClassID.Equals(kContentIteratorCID)) {
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res = NS_NewContentIterator((nsIContentIterator **)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewContentIterator", res);
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return res;
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}
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}
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else if (mClassID.Equals(kSubtreeIteratorCID)) {
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res = NS_NewContentSubtreeIterator((nsIContentIterator **)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewContentSubtreeIterator", res);
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return res;
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}
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}
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else if (mClassID.Equals(kCSSParserCID)) {
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res = NS_NewCSSParser((nsICSSParser**)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewCSSParser", res);
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return res;
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}
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}
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else if (mClassID.Equals(kHTMLStyleSheetCID)) {
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res = NS_NewHTMLStyleSheet((nsIHTMLStyleSheet**)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewHTMLStyleSheet", res);
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return res;
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}
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}
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else if (mClassID.Equals(kHTMLCSSStyleSheetCID)) {
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res = NS_NewHTMLCSSStyleSheet((nsIHTMLCSSStyleSheet**)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewHTMLCSSStyleSheet", res);
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return res;
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}
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}
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else if (mClassID.Equals(kCSSLoaderCID)) {
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res = NS_NewCSSLoader((nsICSSLoader**)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewCSSLoader", res);
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return res;
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}
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}
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else if (mClassID.Equals(kTextNodeCID)) {
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res = NS_NewTextNode((nsIContent**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewTextNode", res);
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return res;
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}
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}
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else if (mClassID.Equals(kNameSpaceManagerCID)) {
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res = NS_NewNameSpaceManager((nsINameSpaceManager**)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewNameSpaceManager", res);
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return res;
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}
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}
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else if (mClassID.Equals(kEventListenerManagerCID)) {
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res = NS_NewEventListenerManager((nsIEventListenerManager**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewEventListenerManager", res);
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return res;
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}
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}
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else if (mClassID.Equals(kPrintPreviewContextCID)) {
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res = NS_NewPrintPreviewContext((nsIPresContext**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewPrintPreviewContext", res);
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return res;
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}
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}
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else if (mClassID.Equals(kLayoutDocumentLoaderFactoryCID)) {
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res = NS_NewLayoutDocumentLoaderFactory((nsIDocumentLoaderFactory**)&inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewLayoutDocumentLoaderFactory", res);
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return res;
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}
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}
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#ifdef DEBUG
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else if (mClassID.Equals(kFrameUtilCID)) {
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res = NS_NewFrameUtil((nsIFrameUtil**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewFrameUtil", res);
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return res;
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}
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}
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else if (mClassID.Equals(kLayoutDebuggerCID)) {
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res = NS_NewLayoutDebugger((nsILayoutDebugger**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewLayoutDebugger", res);
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return res;
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}
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}
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#endif
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else if (mClassID.Equals(kHTMLElementFactoryCID)) {
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res = NS_NewHTMLElementFactory((nsIElementFactory**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewHTMLElementFactory", res);
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return res;
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}
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}
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else if (mClassID.Equals(kXMLElementFactoryCID)) {
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res = NS_NewXMLElementFactory((nsIElementFactory**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewXMLElementFactory", res);
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return res;
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}
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}
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else if (mClassID.Equals(kTextEncoderCID)) {
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res = NS_NewTextEncoder((nsIDocumentEncoder**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewTextEncoder", res);
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return res;
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}
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}
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else if (mClassID.Equals(kXBLServiceCID)) {
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res = NS_NewXBLService((nsIXBLService**) &inst);
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if (NS_FAILED(res)) {
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LOG_NEW_FAILURE("NS_NewXBLService", res);
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return res;
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}
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}
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else {
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return NS_NOINTERFACE;
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}
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if (NS_FAILED(res)) return res;
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res = inst->QueryInterface(aIID, aResult);
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NS_RELEASE(inst);
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if (NS_FAILED(res)) {
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// We didn't get the right interface, so clean up
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LOG_NEW_FAILURE("final QueryInterface", res);
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}
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return res;
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}
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nsresult nsLayoutFactory::LockFactory(PRBool aLock)
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{
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// Not implemented in simplest case.
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return NS_OK;
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}
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