mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-08 04:27:37 +00:00
355 lines
9.9 KiB
C++
355 lines
9.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
#include "nscore.h"
|
|
#include "nslayout.h"
|
|
#include "nsIFactory.h"
|
|
#include "nsISupports.h"
|
|
#include "nsLayoutCID.h"
|
|
#include "nsIDocument.h"
|
|
#include "nsIHTMLContent.h"
|
|
#include "nsICollection.h"
|
|
#include "nsIPresShell.h"
|
|
#include "nsISelection.h"
|
|
#include "nsIFrameUtil.h"
|
|
|
|
#include "nsHTMLAtoms.h"
|
|
#include "nsHTMLParts.h"
|
|
#include "nsIDOMHTMLImageElement.h"
|
|
#include "nsDOMCID.h"
|
|
#include "nsIDOMNativeObjectRegistry.h"
|
|
#include "nsIServiceManager.h"
|
|
#include "nsICSSParser.h"
|
|
#include "nsIHTMLStyleSheet.h"
|
|
#include "nsICollection.h"
|
|
#include "nsIDOMRange.h"
|
|
#include "nsINameSpaceManager.h"
|
|
|
|
|
|
static NS_DEFINE_IID(kCHTMLDocumentCID, NS_HTMLDOCUMENT_CID);
|
|
static NS_DEFINE_IID(kCXMLDocumentCID, NS_XMLDOCUMENT_CID);
|
|
static NS_DEFINE_IID(kCImageDocumentCID, NS_IMAGEDOCUMENT_CID);
|
|
static NS_DEFINE_IID(kCCSSParserCID, NS_CSSPARSER_CID);
|
|
static NS_DEFINE_CID(kHTMLStyleSheetCID, NS_HTMLSTYLESHEET_CID);
|
|
static NS_DEFINE_IID(kCHTMLImageElementFactoryCID, NS_HTMLIMAGEELEMENTFACTORY_CID);
|
|
static NS_DEFINE_IID(kIDOMHTMLImageElementFactoryIID, NS_IDOMHTMLIMAGEELEMENTFACTORY_IID);
|
|
static NS_DEFINE_IID(kIDOMHTMLImageElementIID, NS_IDOMHTMLIMAGEELEMENT_IID);
|
|
static NS_DEFINE_IID(kCRangeListCID, NS_RANGELIST_CID);
|
|
static NS_DEFINE_IID(kCRangeCID, NS_RANGE_CID);
|
|
static NS_DEFINE_CID(kPresShellCID, NS_PRESSHELL_CID);
|
|
static NS_DEFINE_CID(kTextNodeCID, NS_TEXTNODE_CID);
|
|
static NS_DEFINE_CID(kSelectionCID, NS_SELECTION_CID);
|
|
static NS_DEFINE_CID(kNameSpaceManagerCID, NS_NAMESPACEMANAGER_CID);
|
|
static NS_DEFINE_CID(kFrameUtilCID, NS_FRAME_UTIL_CID);
|
|
|
|
|
|
nsresult NS_NewRangeList(nsICollection **);
|
|
nsresult NS_NewRange(nsIDOMRange **);
|
|
extern nsresult NS_NewFrameUtil(nsIFrameUtil** aResult);
|
|
|
|
class HTMLImageElementFactory : public nsIDOMHTMLImageElementFactory {
|
|
public:
|
|
HTMLImageElementFactory();
|
|
~HTMLImageElementFactory();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD CreateInstance(nsIDOMHTMLImageElement **aReturn);
|
|
};
|
|
|
|
HTMLImageElementFactory::HTMLImageElementFactory()
|
|
{
|
|
NS_INIT_REFCNT();
|
|
}
|
|
|
|
HTMLImageElementFactory::~HTMLImageElementFactory()
|
|
{
|
|
}
|
|
|
|
NS_IMPL_ISUPPORTS(HTMLImageElementFactory, kIDOMHTMLImageElementFactoryIID);
|
|
|
|
NS_IMETHODIMP
|
|
HTMLImageElementFactory::CreateInstance(nsIDOMHTMLImageElement **aReturn)
|
|
{
|
|
nsIHTMLContent *content;
|
|
|
|
nsresult rv = NS_NewHTMLImageElement(&content, nsHTMLAtoms::img);
|
|
if (NS_OK != rv) {
|
|
return rv;
|
|
}
|
|
rv = content->QueryInterface(kIDOMHTMLImageElementIID, (void **)aReturn);
|
|
NS_RELEASE(content);
|
|
return rv;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////
|
|
//
|
|
////////////////////////////////////////////////////////////
|
|
|
|
static NS_DEFINE_IID(kDOMNativeObjectRegistryCID, NS_DOM_NATIVE_OBJECT_REGISTRY_CID);
|
|
static NS_DEFINE_IID(kIDOMNativeObjectRegistryIID, NS_IDOM_NATIVE_OBJECT_REGISTRY_IID);
|
|
|
|
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
|
|
static NS_DEFINE_IID(kIFactoryIID, NS_IFACTORY_IID);
|
|
|
|
class nsLayoutFactory : public nsIFactory
|
|
{
|
|
public:
|
|
// nsISupports methods
|
|
NS_IMETHOD QueryInterface(const nsIID &aIID,
|
|
void **aResult);
|
|
NS_IMETHOD_(nsrefcnt) AddRef(void);
|
|
NS_IMETHOD_(nsrefcnt) Release(void);
|
|
|
|
// nsIFactory methods
|
|
NS_IMETHOD CreateInstance(nsISupports *aOuter,
|
|
const nsIID &aIID,
|
|
void **aResult);
|
|
|
|
NS_IMETHOD LockFactory(PRBool aLock);
|
|
|
|
nsLayoutFactory(const nsCID &aClass);
|
|
|
|
protected:
|
|
virtual ~nsLayoutFactory();
|
|
|
|
private:
|
|
nsrefcnt mRefCnt;
|
|
nsCID mClassID;
|
|
};
|
|
|
|
nsLayoutFactory::nsLayoutFactory(const nsCID &aClass)
|
|
{
|
|
mRefCnt = 0;
|
|
mClassID = aClass;
|
|
}
|
|
|
|
nsLayoutFactory::~nsLayoutFactory()
|
|
{
|
|
NS_ASSERTION(mRefCnt == 0, "non-zero refcnt at destruction");
|
|
}
|
|
|
|
nsresult nsLayoutFactory::QueryInterface(const nsIID &aIID,
|
|
void **aResult)
|
|
{
|
|
if (aResult == NULL) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
// Always NULL result, in case of failure
|
|
*aResult = NULL;
|
|
|
|
if (aIID.Equals(kISupportsIID)) {
|
|
*aResult = (void *)(nsISupports*)this;
|
|
} else if (aIID.Equals(kIFactoryIID)) {
|
|
*aResult = (void *)(nsIFactory*)this;
|
|
}
|
|
|
|
if (*aResult == NULL) {
|
|
return NS_NOINTERFACE;
|
|
}
|
|
|
|
AddRef(); // Increase reference count for caller
|
|
return NS_OK;
|
|
}
|
|
|
|
nsrefcnt nsLayoutFactory::AddRef()
|
|
{
|
|
return ++mRefCnt;
|
|
}
|
|
|
|
nsrefcnt nsLayoutFactory::Release()
|
|
{
|
|
if (--mRefCnt == 0) {
|
|
delete this;
|
|
return 0; // Don't access mRefCnt after deleting!
|
|
}
|
|
return mRefCnt;
|
|
}
|
|
|
|
nsresult nsLayoutFactory::CreateInstance(nsISupports *aOuter,
|
|
const nsIID &aIID,
|
|
void **aResult)
|
|
{
|
|
nsresult res;
|
|
PRBool refCounted = PR_TRUE;
|
|
|
|
if (aResult == NULL) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
*aResult = NULL;
|
|
|
|
nsISupports *inst = nsnull;
|
|
|
|
// XXX ClassID check happens here
|
|
if (mClassID.Equals(kCHTMLDocumentCID)) {
|
|
res = NS_NewHTMLDocument((nsIDocument **)&inst);
|
|
if (!NS_SUCCEEDED(res)) {
|
|
return res;
|
|
}
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kCXMLDocumentCID)) {
|
|
res = NS_NewXMLDocument((nsIDocument **)&inst);
|
|
if (!NS_SUCCEEDED(res)) {
|
|
return res;
|
|
}
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kCImageDocumentCID)) {
|
|
res = NS_NewImageDocument((nsIDocument **)&inst);
|
|
if (!NS_SUCCEEDED(res)) {
|
|
return res;
|
|
}
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kCHTMLImageElementFactoryCID)) {
|
|
inst = new HTMLImageElementFactory();
|
|
refCounted = PR_FALSE;
|
|
}
|
|
else if (mClassID.Equals(kPresShellCID)) {
|
|
res = NS_NewPresShell((nsIPresShell**) &inst);
|
|
if (NS_FAILED(res)) {
|
|
return res;
|
|
}
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kCRangeListCID)) {
|
|
nsICollection *coll;
|
|
res = NS_NewRangeList((nsICollection **)&coll);
|
|
if (!NS_SUCCEEDED(res)) {
|
|
return res;
|
|
}
|
|
res = coll->QueryInterface(kISupportsIID, (void **)&inst);
|
|
if (!NS_SUCCEEDED(res)) {
|
|
return res;
|
|
}
|
|
NS_IF_RELEASE(coll);
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kCRangeCID)) {
|
|
res = NS_NewRange((nsIDOMRange **)&inst);
|
|
if (!NS_SUCCEEDED(res)) {
|
|
return res;
|
|
}
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kCCSSParserCID)) {
|
|
// XXX this should really be factored into a style-specific DLL so
|
|
// that all the HTML, generic layout, and style stuff isn't munged
|
|
// together.
|
|
if (NS_FAILED(res = NS_NewCSSParser((nsICSSParser**)&inst)))
|
|
return res;
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kHTMLStyleSheetCID)) {
|
|
// XXX ibid
|
|
if (NS_FAILED(res = NS_NewHTMLStyleSheet((nsIHTMLStyleSheet**)&inst)))
|
|
return res;
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kTextNodeCID)) {
|
|
// XXX ibid
|
|
if (NS_FAILED(res = NS_NewTextNode((nsIHTMLContent**) &inst)))
|
|
return res;
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kNameSpaceManagerCID)) {
|
|
if (NS_FAILED(res = NS_NewNameSpaceManager((nsINameSpaceManager**)&inst)))
|
|
return res;
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else if (mClassID.Equals(kFrameUtilCID)) {
|
|
// XXX ibid
|
|
if (NS_FAILED(res = NS_NewFrameUtil((nsIFrameUtil**) &inst)))
|
|
return res;
|
|
refCounted = PR_TRUE;
|
|
}
|
|
else
|
|
{
|
|
return NS_NOINTERFACE;
|
|
}
|
|
if (inst == NULL) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
res = inst->QueryInterface(aIID, aResult);
|
|
|
|
if (refCounted) {
|
|
NS_RELEASE(inst);
|
|
}
|
|
else if (res != NS_OK) {
|
|
// We didn't get the right interface, so clean up
|
|
delete inst;
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
nsresult nsLayoutFactory::LockFactory(PRBool aLock)
|
|
{
|
|
// Not implemented in simplest case.
|
|
return NS_OK;
|
|
}
|
|
|
|
class NativeObjectRegistryManager {
|
|
public:
|
|
static nsIDOMNativeObjectRegistry *gRegistry;
|
|
|
|
NativeObjectRegistryManager() {};
|
|
~NativeObjectRegistryManager() {
|
|
if (gRegistry) {
|
|
nsServiceManager::ReleaseService(kDOMNativeObjectRegistryCID,
|
|
gRegistry);
|
|
gRegistry = nsnull;
|
|
}
|
|
}
|
|
};
|
|
|
|
nsIDOMNativeObjectRegistry *NativeObjectRegistryManager::gRegistry = nsnull;
|
|
static NativeObjectRegistryManager gManager;
|
|
|
|
// return the proper factory to the caller
|
|
#if defined(XP_MAC) && defined(MAC_STATIC)
|
|
extern "C" NS_LAYOUT nsresult NSGetFactory_LAYOUT_DLL(const nsCID &aClass, nsIFactory **aFactory)
|
|
#else
|
|
extern "C" NS_LAYOUT nsresult NSGetFactory(const nsCID &aClass, nsIFactory **aFactory)
|
|
#endif
|
|
{
|
|
if (nsnull == NativeObjectRegistryManager::gRegistry) {
|
|
nsresult result = nsServiceManager::GetService(kDOMNativeObjectRegistryCID,
|
|
kIDOMNativeObjectRegistryIID,
|
|
(nsISupports **)&NativeObjectRegistryManager::gRegistry);
|
|
if (NS_OK == result) {
|
|
NativeObjectRegistryManager::gRegistry->RegisterFactory("HTMLImageElement", kCHTMLImageElementFactoryCID);
|
|
}
|
|
}
|
|
|
|
if (nsnull == aFactory) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
|
|
*aFactory = new nsLayoutFactory(aClass);
|
|
|
|
if (nsnull == aFactory) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
return (*aFactory)->QueryInterface(kIFactoryIID, (void**)aFactory);
|
|
}
|