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Ripped out the old doc-loader hackery and use the component manager to find viewers instead

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kipp%netscape.com 1999-05-06 19:31:59 +00:00
parent 3b1bca601b
commit be3e9a495b
2 changed files with 252 additions and 1506 deletions
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771
uriloader/base/nsDocLoader.cpp
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@ -16,13 +16,7 @@
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#ifdef XP_MAC
#include "nsIDocumentLoader.h"
#define NS_IMPL_IDS
#else
#define NS_IMPL_IDS
#include "nsIDocumentLoader.h"
#endif
#include "prmem.h"
#include "plstr.h"
#include "nsString.h"
@ -32,6 +26,7 @@
#include "nsIPostToServer.h"
#include "nsIFactory.h"
#include "nsIContentViewerContainer.h"
#include "nsIContentViewer.h"
#include "nsIRefreshUrl.h"
#include "nsITimer.h"
#include "nsIDocumentLoaderObserver.h"
@ -43,26 +38,12 @@
#include "nsINetService.h"
#include "nsXPComFactory.h"
#include "nsIStreamLoadableDocument.h"
#include "nsIDocStreamLoaderFactory.h"
// XXX: Only needed for dummy factory...
#include "nsIDocument.h"
#include "nsIDocumentViewer.h"
#include "nsICSSParser.h"
#include "nsICSSStyleSheet.h"
#include "nsLayoutCID.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsRDFCID.h"
#include "nsIXULParentDocument.h"
#include "nsIXULChildDocument.h"
#include "nsIRDFResource.h"
#include "nsIXULDocumentInfo.h"
#include "nsCOMPtr.h"
/* Forward declarations.... */
class nsDocLoaderImpl;
// XXX ick ick ick
#include "nsIDocument.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#ifdef DEBUG
#undef NOISY_CREATE_DOC
@ -83,28 +64,25 @@ PRLogModuleInfo* gDocLoaderLog = nsnull;
/* Define IIDs... */
NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
NS_DEFINE_IID(kIDocumentLoaderIID, NS_IDOCUMENTLOADER_IID);
NS_DEFINE_IID(kIDocumentLoaderFactoryIID, NS_IDOCUMENTLOADERFACTORY_IID);
NS_DEFINE_IID(kDocumentBindInfoIID, NS_DOCUMENTBINDINFO_IID);
NS_DEFINE_IID(kIURLGroupIID, NS_IURLGROUP_IID);
NS_DEFINE_IID(kRefreshURLIID, NS_IREFRESHURL_IID);
NS_DEFINE_IID(kHTTPURLIID, NS_IHTTPURL_IID);
NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
NS_DEFINE_IID(kIStreamListenerIID, NS_ISTREAMLISTENER_IID);
NS_DEFINE_IID(kINetServiceIID, NS_INETSERVICE_IID);
NS_DEFINE_IID(kIContentViewerContainerIID, NS_ICONTENT_VIEWER_CONTAINER_IID);
static NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
static NS_DEFINE_IID(kIDocumentLoaderIID, NS_IDOCUMENTLOADER_IID);
static NS_DEFINE_IID(kIDocumentLoaderFactoryIID, NS_IDOCUMENTLOADERFACTORY_IID);
static NS_DEFINE_IID(kDocumentBindInfoIID, NS_DOCUMENTBINDINFO_IID);
static NS_DEFINE_IID(kIURLGroupIID, NS_IURLGROUP_IID);
static NS_DEFINE_IID(kRefreshURLIID, NS_IREFRESHURL_IID);
static NS_DEFINE_IID(kHTTPURLIID, NS_IHTTPURL_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
static NS_DEFINE_IID(kIStreamListenerIID, NS_ISTREAMLISTENER_IID);
static NS_DEFINE_IID(kINetServiceIID, NS_INETSERVICE_IID);
static NS_DEFINE_IID(kIContentViewerContainerIID, NS_ICONTENT_VIEWER_CONTAINER_IID);
/* Define CIDs... */
NS_DEFINE_IID(kCHTMLDocumentCID, NS_HTMLDOCUMENT_CID);
NS_DEFINE_IID(kCXMLDocumentCID, NS_XMLDOCUMENT_CID);
NS_DEFINE_IID(kCRDFHTMLBuilderCID, NS_RDFHTMLBUILDER_CID);
NS_DEFINE_IID(kCXULDocumentCID, NS_XULDOCUMENT_CID);
NS_DEFINE_IID(kCImageDocumentCID, NS_IMAGEDOCUMENT_CID);
NS_DEFINE_IID(kNetServiceCID, NS_NETSERVICE_CID);
static NS_DEFINE_IID(kNetServiceCID, NS_NETSERVICE_CID);
/* Forward declarations.... */
class nsDocLoaderImpl;
/*
* The nsDocumentBindInfo contains the state required when a single document
@ -168,629 +146,6 @@ protected:
/****************************************************************************
* nsDocFactoryImpl implementation...
****************************************************************************/
class nsDocFactoryImpl : public nsIDocumentLoaderFactory,
public nsIDocStreamLoaderFactory
{
public:
nsDocFactoryImpl();
NS_DECL_ISUPPORTS
// for nsIDocumentLoaderFactory
NS_IMETHOD CreateInstance(nsIURL* aURL,
const char* aContentType,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
// for nsIDocStreamLoaderFactory
NS_METHOD CreateInstance( nsIInputStream& aInputStream,
const char* aContentType,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer );
nsresult InitUAStyleSheet();
nsresult CreateDefaultDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreateXMLDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreateRDFDocument(const char* aContentType, nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreateXULDocumentFromStream( nsIInputStream& aXULStream,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer );
nsresult CreateImageDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreatePluginDocument(nsIURL* aURL,
const char* aCommand,
const char* aContentType,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
protected:
nsresult do_CreateRDFDocument( nsISupports*, nsCOMPtr<nsIDocument>*, nsCOMPtr<nsIDocumentViewer>* );
};
static nsICSSStyleSheet* gUAStyleSheet;
nsDocFactoryImpl::nsDocFactoryImpl()
{
NS_INIT_REFCNT();
}
/*
* Implementation of ISupports methods...
*/
NS_IMPL_ADDREF(nsDocFactoryImpl)
NS_IMPL_RELEASE(nsDocFactoryImpl)
NS_IMETHODIMP
nsDocFactoryImpl::QueryInterface( REFNSIID aIID, void** aInstancePtr )
{
nsISupports* temp;
nsISupports** result = aInstancePtr ? NS_REINTERPRET_CAST(nsISupports**, aInstancePtr) : &temp;
if ( aIID.Equals(nsIDocumentLoaderFactory::GetIID()) )
*result = NS_STATIC_CAST(nsIDocumentLoaderFactory*, this);
else if ( aIID.Equals(nsIDocStreamLoaderFactory::GetIID()) )
*result = NS_STATIC_CAST(nsIDocStreamLoaderFactory*, this);
else if ( aIID.Equals(kISupportsIID) )
*result = NS_STATIC_CAST(nsISupports*, NS_STATIC_CAST(nsIDocumentLoaderFactory*, this));
else
*result = 0;
nsresult status;
if ( !aInstancePtr )
status = NS_ERROR_NULL_POINTER;
else if ( !*aInstancePtr )
status = NS_NOINTERFACE;
else
{
NS_ADDREF(*result);
status = NS_OK;
}
return status;
}
static char* gValidTypes[] = {"text/html","application/rtf","text/plain",0};
static char* gXMLTypes[] = {"text/xml", "application/xml", 0};
static char* gRDFTypes[] = {"text/rdf", "text/xul", 0};
static char* gImageTypes[] = {"image/gif", "image/jpeg", "image/png", 0 };
static char* gPluginTypes[] = {
"video/quicktime",
"video/msvideo",
"video/x-msvideo",
"application/vnd.netfpx",
"image/vnd.fpx",
"model/vrml",
"x-world/x-vrml",
"audio/midi",
"audio/x-midi",
"audio/wav",
"audio/x-wav",
"audio/aiff",
"audio/x-aiff",
"audio/basic",
"application/x-shockwave-flash",
"application/pdf",
"application/npapi-test",
0
};
NS_IMETHODIMP
nsDocFactoryImpl::CreateInstance(nsIURL* aURL,
const char* aContentType,
const char *aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
if(0==PL_strcmp(gXMLTypes[0],aContentType))
if(0==PL_strcmp(aCommand,"view-source"))
aContentType=gValidTypes[0];
int typeIndex=0;
while(gValidTypes[typeIndex]) {
if (0== PL_strcmp(gValidTypes[typeIndex++], aContentType)) {
return CreateDefaultDocument(aURL, aCommand,
aContainer,
aDocListener,
aDocViewer);
}
}
// Try XML
typeIndex = 0;
while(gXMLTypes[typeIndex]) {
if (0== PL_strcmp(gXMLTypes[typeIndex++], aContentType)) {
return CreateXMLDocument(aURL, aCommand,
aContainer,
aDocListener,
aDocViewer);
}
}
// Try RDF
typeIndex = 0;
while (gRDFTypes[typeIndex]) {
if (0 == PL_strcmp(gRDFTypes[typeIndex++], aContentType)) {
return CreateRDFDocument(aContentType, aURL, aCommand,
aContainer,
aExtraInfo,
aDocListener,
aDocViewer);
}
}
// Try image types
typeIndex = 0;
while(gImageTypes[typeIndex]) {
if (0== PL_strcmp(gImageTypes[typeIndex++], aContentType)) {
return CreateImageDocument(aURL, aCommand,
aContainer,
aDocListener,
aDocViewer);
}
}
// Try plugin types
typeIndex = 0;
while(gPluginTypes[typeIndex]) {
if (0== PL_strcmp(gPluginTypes[typeIndex++], aContentType)) {
return CreatePluginDocument(aURL, aCommand, aContentType,
aContainer,
aDocListener,
aDocViewer);
}
}
return rv;
}
NS_IMETHODIMP
nsDocFactoryImpl::CreateInstance( nsIInputStream& aInputStream,
const char* aContentType,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer )
{
nsresult status = NS_ERROR_FAILURE;
// Try RDF
int typeIndex = 0;
while (gRDFTypes[typeIndex]) {
if (0 == PL_strcmp(gRDFTypes[typeIndex++], aContentType)) {
return CreateXULDocumentFromStream(aInputStream,
aCommand,
aContainer,
aExtraInfo,
aDocViewer);
}
}
return status;
}
nsresult
nsDocFactoryImpl::CreateDefaultDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
nsIDocument* doc = nsnull;
nsIDocumentViewer* docv = nsnull;
#ifdef NOISY_CREATE_DOC
if (nsnull != aURL) {
nsAutoString tmp;
aURL->ToString(tmp);
fputs(tmp, stdout);
printf(": creating document\n");
}
#endif
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the HTML document...
*/
rv = nsComponentManager::CreateInstance(kCHTMLDocumentCID,
nsnull,
kIDocumentIID,
(void **)&doc);
if (NS_FAILED(rv)) {
goto done;
}
/*
* Create the HTML Content Viewer...
*/
rv = NS_NewDocumentViewer(docv);
if (NS_FAILED(rv)) {
goto done;
}
docv->SetUAStyleSheet(gUAStyleSheet);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand);
if (NS_FAILED(rv)) {
NS_IF_RELEASE(docv);
goto done;
}
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
done:
NS_IF_RELEASE(doc);
return rv;
}
nsresult
nsDocFactoryImpl::CreateXMLDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
nsIDocument* doc = nsnull;
nsIDocumentViewer* docv = nsnull;
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the image document...
*/
rv = nsComponentManager::CreateInstance(kCXMLDocumentCID,
nsnull,
kIDocumentIID,
(void **)&doc);
if (NS_FAILED(rv)) {
goto done;
}
/*
* Create the image content viewer...
*/
rv = NS_NewDocumentViewer(docv);
if (NS_FAILED(rv)) {
goto done;
}
docv->SetUAStyleSheet(gUAStyleSheet);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand);
if (NS_FAILED(rv)) {
NS_IF_RELEASE(docv);
goto done;
}
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
done:
NS_IF_RELEASE(doc);
return rv;
}
nsresult
nsDocFactoryImpl::do_CreateRDFDocument( nsISupports* aExtraInfo,
nsCOMPtr<nsIDocument>* doc,
nsCOMPtr<nsIDocumentViewer>* docv )
// ...common work for |CreateRDFDocument| and |CreateXULDocumentFromStream|
{
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIXULDocumentInfo> xulDocumentInfo;
xulDocumentInfo = do_QueryInterface(aExtraInfo);
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the image document...
*/
if (NS_FAILED(rv = nsComponentManager::CreateInstance(kCXULDocumentCID,
nsnull,
kIDocumentIID,
getter_AddRefs(*doc))))
goto done;
/*
* Create the image content viewer...
*/
if (NS_FAILED(rv = NS_NewDocumentViewer( *getter_AddRefs(*docv) )))
goto done;
(*docv)->SetUAStyleSheet(gUAStyleSheet);
// We are capable of being a XUL child document. If
// we have extra info that supports the XUL document info
// interface, then we'll know for sure.
if (xulDocumentInfo) {
// We are a XUL fragment. Retrieve the parent document
// and the fragment's root position within the parent
// document.
nsCOMPtr<nsIDocument> parentDocument;
nsCOMPtr<nsIRDFResource> fragmentRoot;
if (NS_SUCCEEDED(xulDocumentInfo->GetDocument(getter_AddRefs(parentDocument))) &&
NS_SUCCEEDED(xulDocumentInfo->GetResource(getter_AddRefs(fragmentRoot)))) {
// We were able to obtain a resource and a parent document.
parentDocument->AddSubDocument(*doc);
(*doc)->SetParentDocument(parentDocument);
// We need to set our fragment root as well. The
// XUL child document interface is required to do this.
nsCOMPtr<nsIXULChildDocument> xulChildDoc;
xulChildDoc = do_QueryInterface(*doc);
if (xulChildDoc) {
xulChildDoc->SetFragmentRoot(fragmentRoot);
}
}
}
done:
return rv;
}
nsresult
nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
// ...note, this RDF document _may_ be XUL :-)
{
nsCOMPtr<nsIDocument> doc;
nsCOMPtr<nsIDocumentViewer> docv;
nsresult rv = do_CreateRDFDocument(aExtraInfo, &doc, &docv);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
if (NS_SUCCEEDED(rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand))) {
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
NS_IF_ADDREF(*aDocViewer);
}
return rv;
}
nsresult
nsDocFactoryImpl::CreateXULDocumentFromStream( nsIInputStream& aXULStream,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer )
{
nsresult status = NS_OK;
do
{
nsCOMPtr<nsIDocument> doc;
nsCOMPtr<nsIDocumentViewer> docv;
if ( NS_FAILED(status = do_CreateRDFDocument(aExtraInfo, &doc, &docv)) )
break;
if ( NS_FAILED(status = docv->BindToDocument(doc, aCommand)) )
break;
*aDocViewer = docv;
NS_IF_ADDREF(*aDocViewer);
nsCOMPtr<nsIStreamLoadableDocument> loader = do_QueryInterface(doc, &status);
if ( NS_FAILED(status) )
break;
status = loader->LoadFromStream(aXULStream, aContainer, aCommand);
}
while (0);
return status;
}
nsresult
nsDocFactoryImpl::CreateImageDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
nsIDocument* doc = nsnull;
nsIDocumentViewer* docv = nsnull;
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the image document...
*/
rv = nsComponentManager::CreateInstance(kCImageDocumentCID,
nsnull,
kIDocumentIID,
(void **)&doc);
if (NS_FAILED(rv)) {
goto done;
}
/*
* Create the image content viewer...
*/
rv = NS_NewDocumentViewer(docv);
if (NS_FAILED(rv)) {
goto done;
}
docv->SetUAStyleSheet(gUAStyleSheet);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener,aCommand);
if (NS_FAILED(rv)) {
NS_IF_RELEASE(docv);
goto done;
}
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
done:
NS_IF_RELEASE(doc);
return rv;
}
extern nsresult
NS_NewPluginContentViewer(const char* aCommand,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult
nsDocFactoryImpl::CreatePluginDocument(nsIURL* aURL,
const char* aCommand,
const char* aContentType,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
/*
* Create the plugin content viewer and stream listener...
*/
nsresult rv = NS_NewPluginContentViewer(aCommand,
aDocListener,
aDocViewer);
return rv;
}
#define UA_CSS_URL "resource:/res/ua.css"
nsresult nsDocFactoryImpl::InitUAStyleSheet()
{
nsresult rv = NS_OK;
if (nsnull == gUAStyleSheet) { // snarf one
nsIURL* uaURL;
rv = NS_NewURL(&uaURL, nsString(UA_CSS_URL)); // XXX this bites, fix it
if (NS_SUCCEEDED(rv)) {
// Get an input stream from the url
nsIInputStream* in;
rv = NS_OpenURL(uaURL, &in);
if (NS_SUCCEEDED(rv)) {
// Translate the input using the argument character set id into unicode
nsIUnicharInputStream* uin;
rv = NS_NewConverterStream(&uin, nsnull, in);
if (NS_SUCCEEDED(rv)) {
// Create parser and set it up to process the input file
nsICSSParser* css;
rv = NS_NewCSSParser(&css);
if (NS_SUCCEEDED(rv)) {
// Parse the input and produce a style set
// XXX note: we are ignoring rv until the error code stuff in the
// input routines is converted to use nsresult's
css->Parse(uin, uaURL, gUAStyleSheet);
NS_RELEASE(css);
}
NS_RELEASE(uin);
}
NS_RELEASE(in);
}
else {
printf("open of %s failed: error=%x\n", UA_CSS_URL, rv);
rv = NS_ERROR_ILLEGAL_VALUE; // XXX need a better error code here
}
NS_RELEASE(uaURL);
}
}
return rv;
}
/****************************************************************************
* nsDocLoaderImpl implementation...
****************************************************************************/
@ -824,8 +179,6 @@ public:
NS_IMETHOD IsBusy(PRBool& aResult);
NS_IMETHOD CreateDocumentLoader(nsIDocumentLoader** anInstance);
NS_IMETHOD SetDocumentFactory(nsIDocumentLoaderFactory* aFactory);
NS_IMETHOD GetDocumentFactory(nsIDocumentLoaderFactory** aResult);
NS_IMETHOD AddObserver(nsIDocumentLoaderObserver *aObserver);
NS_IMETHOD RemoveObserver(nsIDocumentLoaderObserver *aObserver);
@ -876,6 +229,14 @@ public:
void SetParent(nsDocLoaderImpl* aParent);
void SetDocumentUrl(nsIURL* aUrl);
nsresult CreateContentViewer(nsIURL* aURL,
const char* aContentType,
const char *aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
protected:
virtual ~nsDocLoaderImpl();
@ -883,19 +244,18 @@ protected:
nsIDocumentLoader* aLoadInitiator,
PRInt32 aStatus);
private:
static PRBool StopBindInfoEnumerator (nsISupports* aElement, void* aData);
static PRBool StopDocLoaderEnumerator(void* aElement, void* aData);
static PRBool IsBusyEnumerator(void* aElement, void* aData);
public:
nsCOMPtr<nsIDocumentLoaderFactory> m_DocFactory;
protected:
// IMPORTANT: The ownership implicit in the following member variables has been
// explicitly checked and set using nsCOMPtr for owning pointers and raw COM interface
// pointers for weak (ie, non owning) references. If you add any members to this
// IMPORTANT: The ownership implicit in the following member
// variables has been explicitly checked and set using nsCOMPtr
// for owning pointers and raw COM interface pointers for weak
// (ie, non owning) references. If you add any members to this
// class, please make the ownership explicit (pinkerton, scc).
nsIURL* mDocumentUrl; // [OWNER] ???compare with document
@ -945,8 +305,6 @@ nsDocLoaderImpl::nsDocLoaderImpl()
NS_NewISupportsArray(getter_AddRefs(m_LoadingDocsList));
NS_NewLoadAttribs(getter_AddRefs(m_LoadAttrib));
m_DocFactory = do_QueryInterface(NS_STATIC_CAST(nsIDocumentLoaderFactory*, new nsDocFactoryImpl()));
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
("DocLoader:%p: created.\n", this));
}
@ -968,7 +326,6 @@ nsDocLoaderImpl::~nsDocLoaderImpl()
NS_PRECONDITION((0 == mChildGroupList.Count()), "Document loader has children...");
}
/*
* Implementation of ISupports methods...
*/
@ -994,8 +351,6 @@ nsDocLoaderImpl::QueryInterface(REFNSIID aIID, void** aInstancePtr)
return NS_NOINTERFACE;
}
NS_IMETHODIMP
nsDocLoaderImpl::CreateDocumentLoader(nsIDocumentLoader** anInstance)
{
@ -1024,24 +379,43 @@ done:
return rv;
}
NS_IMETHODIMP
nsDocLoaderImpl::SetDocumentFactory(nsIDocumentLoaderFactory* aFactory)
nsresult
nsDocLoaderImpl::CreateContentViewer(nsIURL* aURL,
const char* aContentType,
const char *aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListenerResult,
nsIContentViewer** aDocViewerResult)
{
m_DocFactory = dont_QueryInterface(aFactory);
return NS_OK;
// Lookup class-id for the command plus content-type combination
nsCID cid;
char id[500];
PR_snprintf(id, sizeof(id),
NS_DOCUMENT_LOADER_FACTORY_PROGID_PREFIX "%s/%s",
aCommand ? aCommand : "view",/* XXX bug! shouldn't b needed!*/
aContentType);
nsresult rv = nsComponentManager::ProgIDToCLSID(id, &cid);
if (NS_FAILED(rv)) {
return rv;
}
NS_IMETHODIMP
nsDocLoaderImpl::GetDocumentFactory(nsIDocumentLoaderFactory** aResult)
{
*aResult = m_DocFactory;
NS_IF_ADDREF(*aResult);
return NS_OK;
// Create an instance of the document-loader-factory object
nsIDocumentLoaderFactory* factory;
rv = nsComponentManager::CreateInstance(cid, (nsISupports *)nsnull,
kIDocumentLoaderFactoryIID,
(void **)&factory);
if (NS_FAILED(rv)) {
return rv;
}
// Now create an instance of the content viewer
rv = factory->CreateInstance(aURL, aContentType, aCommand, aContainer,
aExtraInfo, aDocListenerResult,
aDocViewerResult);
NS_RELEASE(factory);
return rv;
}
NS_IMETHODIMP
nsDocLoaderImpl::LoadDocument(const nsString& aURLSpec,
@ -1996,7 +1370,8 @@ NS_METHOD nsDocumentBindInfo::OnStatus(nsIURL* aURL, const PRUnichar* aMsg)
}
NS_METHOD nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentType)
NS_IMETHODIMP
nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentType)
{
nsresult rv = NS_OK;
nsIContentViewer* viewer = nsnull;
@ -2017,13 +1392,12 @@ NS_METHOD nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentT
}
if (nsnull == m_NextStream) {
/*
* Now that the content type is available, create a document (and viewer)
* of the appropriate type...
* Now that the content type is available, create a document
* (and viewer) of the appropriate type...
*/
if (m_DocLoader->m_DocFactory) {
rv = m_DocLoader->m_DocFactory->CreateInstance(m_Url,
if (m_DocLoader) {
rv = m_DocLoader->CreateContentViewer(m_Url,
aContentType,
m_Command,
m_Container,
@ -2035,7 +1409,7 @@ NS_METHOD nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentT
}
if (NS_FAILED(rv)) {
printf("DocLoaderFactory: Unable to create ContentViewer for content-type: %s\n", aContentType);
printf("DocLoaderFactory: Unable to create ContentViewer for command=%s, content-type=%s\n", m_Command ? m_Command : "(null)", aContentType);
if ( m_Container ) {
// Give content container a chance to do something with this URL.
rv = m_Container->HandleUnknownContentType( (nsIDocumentLoader*) m_DocLoader, aURL, aContentType, m_Command );
@ -2262,7 +1636,6 @@ done:
return rv;
}
// Entry point to create nsDocLoaderService factory instances...
nsresult NS_NewDocLoaderServiceFactory(nsIFactory** aResult)

771
webshell/src/nsDocLoader.cpp
View File

@ -16,13 +16,7 @@
* Corporation. Portions created by Netscape are Copyright (C) 1998
* Netscape Communications Corporation. All Rights Reserved.
*/
#ifdef XP_MAC
#include "nsIDocumentLoader.h"
#define NS_IMPL_IDS
#else
#define NS_IMPL_IDS
#include "nsIDocumentLoader.h"
#endif
#include "prmem.h"
#include "plstr.h"
#include "nsString.h"
@ -32,6 +26,7 @@
#include "nsIPostToServer.h"
#include "nsIFactory.h"
#include "nsIContentViewerContainer.h"
#include "nsIContentViewer.h"
#include "nsIRefreshUrl.h"
#include "nsITimer.h"
#include "nsIDocumentLoaderObserver.h"
@ -43,26 +38,12 @@
#include "nsINetService.h"
#include "nsXPComFactory.h"
#include "nsIStreamLoadableDocument.h"
#include "nsIDocStreamLoaderFactory.h"
// XXX: Only needed for dummy factory...
#include "nsIDocument.h"
#include "nsIDocumentViewer.h"
#include "nsICSSParser.h"
#include "nsICSSStyleSheet.h"
#include "nsLayoutCID.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#include "nsRDFCID.h"
#include "nsIXULParentDocument.h"
#include "nsIXULChildDocument.h"
#include "nsIRDFResource.h"
#include "nsIXULDocumentInfo.h"
#include "nsCOMPtr.h"
/* Forward declarations.... */
class nsDocLoaderImpl;
// XXX ick ick ick
#include "nsIDocument.h"
#include "nsIPresShell.h"
#include "nsIPresContext.h"
#ifdef DEBUG
#undef NOISY_CREATE_DOC
@ -83,28 +64,25 @@ PRLogModuleInfo* gDocLoaderLog = nsnull;
/* Define IIDs... */
NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
NS_DEFINE_IID(kIDocumentLoaderIID, NS_IDOCUMENTLOADER_IID);
NS_DEFINE_IID(kIDocumentLoaderFactoryIID, NS_IDOCUMENTLOADERFACTORY_IID);
NS_DEFINE_IID(kDocumentBindInfoIID, NS_DOCUMENTBINDINFO_IID);
NS_DEFINE_IID(kIURLGroupIID, NS_IURLGROUP_IID);
NS_DEFINE_IID(kRefreshURLIID, NS_IREFRESHURL_IID);
NS_DEFINE_IID(kHTTPURLIID, NS_IHTTPURL_IID);
NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
NS_DEFINE_IID(kIStreamListenerIID, NS_ISTREAMLISTENER_IID);
NS_DEFINE_IID(kINetServiceIID, NS_INETSERVICE_IID);
NS_DEFINE_IID(kIContentViewerContainerIID, NS_ICONTENT_VIEWER_CONTAINER_IID);
static NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
static NS_DEFINE_IID(kIDocumentLoaderIID, NS_IDOCUMENTLOADER_IID);
static NS_DEFINE_IID(kIDocumentLoaderFactoryIID, NS_IDOCUMENTLOADERFACTORY_IID);
static NS_DEFINE_IID(kDocumentBindInfoIID, NS_DOCUMENTBINDINFO_IID);
static NS_DEFINE_IID(kIURLGroupIID, NS_IURLGROUP_IID);
static NS_DEFINE_IID(kRefreshURLIID, NS_IREFRESHURL_IID);
static NS_DEFINE_IID(kHTTPURLIID, NS_IHTTPURL_IID);
static NS_DEFINE_IID(kISupportsIID, NS_ISUPPORTS_IID);
static NS_DEFINE_IID(kIDocumentIID, NS_IDOCUMENT_IID);
static NS_DEFINE_IID(kIStreamListenerIID, NS_ISTREAMLISTENER_IID);
static NS_DEFINE_IID(kINetServiceIID, NS_INETSERVICE_IID);
static NS_DEFINE_IID(kIContentViewerContainerIID, NS_ICONTENT_VIEWER_CONTAINER_IID);
/* Define CIDs... */
NS_DEFINE_IID(kCHTMLDocumentCID, NS_HTMLDOCUMENT_CID);
NS_DEFINE_IID(kCXMLDocumentCID, NS_XMLDOCUMENT_CID);
NS_DEFINE_IID(kCRDFHTMLBuilderCID, NS_RDFHTMLBUILDER_CID);
NS_DEFINE_IID(kCXULDocumentCID, NS_XULDOCUMENT_CID);
NS_DEFINE_IID(kCImageDocumentCID, NS_IMAGEDOCUMENT_CID);
NS_DEFINE_IID(kNetServiceCID, NS_NETSERVICE_CID);
static NS_DEFINE_IID(kNetServiceCID, NS_NETSERVICE_CID);
/* Forward declarations.... */
class nsDocLoaderImpl;
/*
* The nsDocumentBindInfo contains the state required when a single document
@ -168,629 +146,6 @@ protected:
/****************************************************************************
* nsDocFactoryImpl implementation...
****************************************************************************/
class nsDocFactoryImpl : public nsIDocumentLoaderFactory,
public nsIDocStreamLoaderFactory
{
public:
nsDocFactoryImpl();
NS_DECL_ISUPPORTS
// for nsIDocumentLoaderFactory
NS_IMETHOD CreateInstance(nsIURL* aURL,
const char* aContentType,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
// for nsIDocStreamLoaderFactory
NS_METHOD CreateInstance( nsIInputStream& aInputStream,
const char* aContentType,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer );
nsresult InitUAStyleSheet();
nsresult CreateDefaultDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreateXMLDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreateRDFDocument(const char* aContentType, nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreateXULDocumentFromStream( nsIInputStream& aXULStream,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer );
nsresult CreateImageDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult CreatePluginDocument(nsIURL* aURL,
const char* aCommand,
const char* aContentType,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
protected:
nsresult do_CreateRDFDocument( nsISupports*, nsCOMPtr<nsIDocument>*, nsCOMPtr<nsIDocumentViewer>* );
};
static nsICSSStyleSheet* gUAStyleSheet;
nsDocFactoryImpl::nsDocFactoryImpl()
{
NS_INIT_REFCNT();
}
/*
* Implementation of ISupports methods...
*/
NS_IMPL_ADDREF(nsDocFactoryImpl)
NS_IMPL_RELEASE(nsDocFactoryImpl)
NS_IMETHODIMP
nsDocFactoryImpl::QueryInterface( REFNSIID aIID, void** aInstancePtr )
{
nsISupports* temp;
nsISupports** result = aInstancePtr ? NS_REINTERPRET_CAST(nsISupports**, aInstancePtr) : &temp;
if ( aIID.Equals(nsIDocumentLoaderFactory::GetIID()) )
*result = NS_STATIC_CAST(nsIDocumentLoaderFactory*, this);
else if ( aIID.Equals(nsIDocStreamLoaderFactory::GetIID()) )
*result = NS_STATIC_CAST(nsIDocStreamLoaderFactory*, this);
else if ( aIID.Equals(kISupportsIID) )
*result = NS_STATIC_CAST(nsISupports*, NS_STATIC_CAST(nsIDocumentLoaderFactory*, this));
else
*result = 0;
nsresult status;
if ( !aInstancePtr )
status = NS_ERROR_NULL_POINTER;
else if ( !*aInstancePtr )
status = NS_NOINTERFACE;
else
{
NS_ADDREF(*result);
status = NS_OK;
}
return status;
}
static char* gValidTypes[] = {"text/html","application/rtf","text/plain",0};
static char* gXMLTypes[] = {"text/xml", "application/xml", 0};
static char* gRDFTypes[] = {"text/rdf", "text/xul", 0};
static char* gImageTypes[] = {"image/gif", "image/jpeg", "image/png", 0 };
static char* gPluginTypes[] = {
"video/quicktime",
"video/msvideo",
"video/x-msvideo",
"application/vnd.netfpx",
"image/vnd.fpx",
"model/vrml",
"x-world/x-vrml",
"audio/midi",
"audio/x-midi",
"audio/wav",
"audio/x-wav",
"audio/aiff",
"audio/x-aiff",
"audio/basic",
"application/x-shockwave-flash",
"application/pdf",
"application/npapi-test",
0
};
NS_IMETHODIMP
nsDocFactoryImpl::CreateInstance(nsIURL* aURL,
const char* aContentType,
const char *aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
if(0==PL_strcmp(gXMLTypes[0],aContentType))
if(0==PL_strcmp(aCommand,"view-source"))
aContentType=gValidTypes[0];
int typeIndex=0;
while(gValidTypes[typeIndex]) {
if (0== PL_strcmp(gValidTypes[typeIndex++], aContentType)) {
return CreateDefaultDocument(aURL, aCommand,
aContainer,
aDocListener,
aDocViewer);
}
}
// Try XML
typeIndex = 0;
while(gXMLTypes[typeIndex]) {
if (0== PL_strcmp(gXMLTypes[typeIndex++], aContentType)) {
return CreateXMLDocument(aURL, aCommand,
aContainer,
aDocListener,
aDocViewer);
}
}
// Try RDF
typeIndex = 0;
while (gRDFTypes[typeIndex]) {
if (0 == PL_strcmp(gRDFTypes[typeIndex++], aContentType)) {
return CreateRDFDocument(aContentType, aURL, aCommand,
aContainer,
aExtraInfo,
aDocListener,
aDocViewer);
}
}
// Try image types
typeIndex = 0;
while(gImageTypes[typeIndex]) {
if (0== PL_strcmp(gImageTypes[typeIndex++], aContentType)) {
return CreateImageDocument(aURL, aCommand,
aContainer,
aDocListener,
aDocViewer);
}
}
// Try plugin types
typeIndex = 0;
while(gPluginTypes[typeIndex]) {
if (0== PL_strcmp(gPluginTypes[typeIndex++], aContentType)) {
return CreatePluginDocument(aURL, aCommand, aContentType,
aContainer,
aDocListener,
aDocViewer);
}
}
return rv;
}
NS_IMETHODIMP
nsDocFactoryImpl::CreateInstance( nsIInputStream& aInputStream,
const char* aContentType,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer )
{
nsresult status = NS_ERROR_FAILURE;
// Try RDF
int typeIndex = 0;
while (gRDFTypes[typeIndex]) {
if (0 == PL_strcmp(gRDFTypes[typeIndex++], aContentType)) {
return CreateXULDocumentFromStream(aInputStream,
aCommand,
aContainer,
aExtraInfo,
aDocViewer);
}
}
return status;
}
nsresult
nsDocFactoryImpl::CreateDefaultDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
nsIDocument* doc = nsnull;
nsIDocumentViewer* docv = nsnull;
#ifdef NOISY_CREATE_DOC
if (nsnull != aURL) {
nsAutoString tmp;
aURL->ToString(tmp);
fputs(tmp, stdout);
printf(": creating document\n");
}
#endif
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the HTML document...
*/
rv = nsComponentManager::CreateInstance(kCHTMLDocumentCID,
nsnull,
kIDocumentIID,
(void **)&doc);
if (NS_FAILED(rv)) {
goto done;
}
/*
* Create the HTML Content Viewer...
*/
rv = NS_NewDocumentViewer(docv);
if (NS_FAILED(rv)) {
goto done;
}
docv->SetUAStyleSheet(gUAStyleSheet);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand);
if (NS_FAILED(rv)) {
NS_IF_RELEASE(docv);
goto done;
}
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
done:
NS_IF_RELEASE(doc);
return rv;
}
nsresult
nsDocFactoryImpl::CreateXMLDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
nsIDocument* doc = nsnull;
nsIDocumentViewer* docv = nsnull;
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the image document...
*/
rv = nsComponentManager::CreateInstance(kCXMLDocumentCID,
nsnull,
kIDocumentIID,
(void **)&doc);
if (NS_FAILED(rv)) {
goto done;
}
/*
* Create the image content viewer...
*/
rv = NS_NewDocumentViewer(docv);
if (NS_FAILED(rv)) {
goto done;
}
docv->SetUAStyleSheet(gUAStyleSheet);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand);
if (NS_FAILED(rv)) {
NS_IF_RELEASE(docv);
goto done;
}
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
done:
NS_IF_RELEASE(doc);
return rv;
}
nsresult
nsDocFactoryImpl::do_CreateRDFDocument( nsISupports* aExtraInfo,
nsCOMPtr<nsIDocument>* doc,
nsCOMPtr<nsIDocumentViewer>* docv )
// ...common work for |CreateRDFDocument| and |CreateXULDocumentFromStream|
{
nsresult rv = NS_ERROR_FAILURE;
nsCOMPtr<nsIXULDocumentInfo> xulDocumentInfo;
xulDocumentInfo = do_QueryInterface(aExtraInfo);
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the image document...
*/
if (NS_FAILED(rv = nsComponentManager::CreateInstance(kCXULDocumentCID,
nsnull,
kIDocumentIID,
getter_AddRefs(*doc))))
goto done;
/*
* Create the image content viewer...
*/
if (NS_FAILED(rv = NS_NewDocumentViewer( *getter_AddRefs(*docv) )))
goto done;
(*docv)->SetUAStyleSheet(gUAStyleSheet);
// We are capable of being a XUL child document. If
// we have extra info that supports the XUL document info
// interface, then we'll know for sure.
if (xulDocumentInfo) {
// We are a XUL fragment. Retrieve the parent document
// and the fragment's root position within the parent
// document.
nsCOMPtr<nsIDocument> parentDocument;
nsCOMPtr<nsIRDFResource> fragmentRoot;
if (NS_SUCCEEDED(xulDocumentInfo->GetDocument(getter_AddRefs(parentDocument))) &&
NS_SUCCEEDED(xulDocumentInfo->GetResource(getter_AddRefs(fragmentRoot)))) {
// We were able to obtain a resource and a parent document.
parentDocument->AddSubDocument(*doc);
(*doc)->SetParentDocument(parentDocument);
// We need to set our fragment root as well. The
// XUL child document interface is required to do this.
nsCOMPtr<nsIXULChildDocument> xulChildDoc;
xulChildDoc = do_QueryInterface(*doc);
if (xulChildDoc) {
xulChildDoc->SetFragmentRoot(fragmentRoot);
}
}
}
done:
return rv;
}
nsresult
nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
// ...note, this RDF document _may_ be XUL :-)
{
nsCOMPtr<nsIDocument> doc;
nsCOMPtr<nsIDocumentViewer> docv;
nsresult rv = do_CreateRDFDocument(aExtraInfo, &doc, &docv);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
if (NS_SUCCEEDED(rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand))) {
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
NS_IF_ADDREF(*aDocViewer);
}
return rv;
}
nsresult
nsDocFactoryImpl::CreateXULDocumentFromStream( nsIInputStream& aXULStream,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIContentViewer** aDocViewer )
{
nsresult status = NS_OK;
do
{
nsCOMPtr<nsIDocument> doc;
nsCOMPtr<nsIDocumentViewer> docv;
if ( NS_FAILED(status = do_CreateRDFDocument(aExtraInfo, &doc, &docv)) )
break;
if ( NS_FAILED(status = docv->BindToDocument(doc, aCommand)) )
break;
*aDocViewer = docv;
NS_IF_ADDREF(*aDocViewer);
nsCOMPtr<nsIStreamLoadableDocument> loader = do_QueryInterface(doc, &status);
if ( NS_FAILED(status) )
break;
status = loader->LoadFromStream(aXULStream, aContainer, aCommand);
}
while (0);
return status;
}
nsresult
nsDocFactoryImpl::CreateImageDocument(nsIURL* aURL,
const char* aCommand,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
nsresult rv = NS_ERROR_FAILURE;
nsIDocument* doc = nsnull;
nsIDocumentViewer* docv = nsnull;
// Load the UA style sheet if we haven't already done that
if (nsnull == gUAStyleSheet) {
InitUAStyleSheet();
}
/*
* Create the image document...
*/
rv = nsComponentManager::CreateInstance(kCImageDocumentCID,
nsnull,
kIDocumentIID,
(void **)&doc);
if (NS_FAILED(rv)) {
goto done;
}
/*
* Create the image content viewer...
*/
rv = NS_NewDocumentViewer(docv);
if (NS_FAILED(rv)) {
goto done;
}
docv->SetUAStyleSheet(gUAStyleSheet);
/*
* Initialize the document to begin loading the data...
*
* An nsIStreamListener connected to the parser is returned in
* aDocListener.
*/
rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener,aCommand);
if (NS_FAILED(rv)) {
NS_IF_RELEASE(docv);
goto done;
}
/*
* Bind the document to the Content Viewer...
*/
rv = docv->BindToDocument(doc, aCommand);
*aDocViewer = docv;
done:
NS_IF_RELEASE(doc);
return rv;
}
extern nsresult
NS_NewPluginContentViewer(const char* aCommand,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
nsresult
nsDocFactoryImpl::CreatePluginDocument(nsIURL* aURL,
const char* aCommand,
const char* aContentType,
nsIContentViewerContainer* aContainer,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer)
{
/*
* Create the plugin content viewer and stream listener...
*/
nsresult rv = NS_NewPluginContentViewer(aCommand,
aDocListener,
aDocViewer);
return rv;
}
#define UA_CSS_URL "resource:/res/ua.css"
nsresult nsDocFactoryImpl::InitUAStyleSheet()
{
nsresult rv = NS_OK;
if (nsnull == gUAStyleSheet) { // snarf one
nsIURL* uaURL;
rv = NS_NewURL(&uaURL, nsString(UA_CSS_URL)); // XXX this bites, fix it
if (NS_SUCCEEDED(rv)) {
// Get an input stream from the url
nsIInputStream* in;
rv = NS_OpenURL(uaURL, &in);
if (NS_SUCCEEDED(rv)) {
// Translate the input using the argument character set id into unicode
nsIUnicharInputStream* uin;
rv = NS_NewConverterStream(&uin, nsnull, in);
if (NS_SUCCEEDED(rv)) {
// Create parser and set it up to process the input file
nsICSSParser* css;
rv = NS_NewCSSParser(&css);
if (NS_SUCCEEDED(rv)) {
// Parse the input and produce a style set
// XXX note: we are ignoring rv until the error code stuff in the
// input routines is converted to use nsresult's
css->Parse(uin, uaURL, gUAStyleSheet);
NS_RELEASE(css);
}
NS_RELEASE(uin);
}
NS_RELEASE(in);
}
else {
printf("open of %s failed: error=%x\n", UA_CSS_URL, rv);
rv = NS_ERROR_ILLEGAL_VALUE; // XXX need a better error code here
}
NS_RELEASE(uaURL);
}
}
return rv;
}
/****************************************************************************
* nsDocLoaderImpl implementation...
****************************************************************************/
@ -824,8 +179,6 @@ public:
NS_IMETHOD IsBusy(PRBool& aResult);
NS_IMETHOD CreateDocumentLoader(nsIDocumentLoader** anInstance);
NS_IMETHOD SetDocumentFactory(nsIDocumentLoaderFactory* aFactory);
NS_IMETHOD GetDocumentFactory(nsIDocumentLoaderFactory** aResult);
NS_IMETHOD AddObserver(nsIDocumentLoaderObserver *aObserver);
NS_IMETHOD RemoveObserver(nsIDocumentLoaderObserver *aObserver);
@ -876,6 +229,14 @@ public:
void SetParent(nsDocLoaderImpl* aParent);
void SetDocumentUrl(nsIURL* aUrl);
nsresult CreateContentViewer(nsIURL* aURL,
const char* aContentType,
const char *aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListener,
nsIContentViewer** aDocViewer);
protected:
virtual ~nsDocLoaderImpl();
@ -883,19 +244,18 @@ protected:
nsIDocumentLoader* aLoadInitiator,
PRInt32 aStatus);
private:
static PRBool StopBindInfoEnumerator (nsISupports* aElement, void* aData);
static PRBool StopDocLoaderEnumerator(void* aElement, void* aData);
static PRBool IsBusyEnumerator(void* aElement, void* aData);
public:
nsCOMPtr<nsIDocumentLoaderFactory> m_DocFactory;
protected:
// IMPORTANT: The ownership implicit in the following member variables has been
// explicitly checked and set using nsCOMPtr for owning pointers and raw COM interface
// pointers for weak (ie, non owning) references. If you add any members to this
// IMPORTANT: The ownership implicit in the following member
// variables has been explicitly checked and set using nsCOMPtr
// for owning pointers and raw COM interface pointers for weak
// (ie, non owning) references. If you add any members to this
// class, please make the ownership explicit (pinkerton, scc).
nsIURL* mDocumentUrl; // [OWNER] ???compare with document
@ -945,8 +305,6 @@ nsDocLoaderImpl::nsDocLoaderImpl()
NS_NewISupportsArray(getter_AddRefs(m_LoadingDocsList));
NS_NewLoadAttribs(getter_AddRefs(m_LoadAttrib));
m_DocFactory = do_QueryInterface(NS_STATIC_CAST(nsIDocumentLoaderFactory*, new nsDocFactoryImpl()));
PR_LOG(gDocLoaderLog, PR_LOG_DEBUG,
("DocLoader:%p: created.\n", this));
}
@ -968,7 +326,6 @@ nsDocLoaderImpl::~nsDocLoaderImpl()
NS_PRECONDITION((0 == mChildGroupList.Count()), "Document loader has children...");
}
/*
* Implementation of ISupports methods...
*/
@ -994,8 +351,6 @@ nsDocLoaderImpl::QueryInterface(REFNSIID aIID, void** aInstancePtr)
return NS_NOINTERFACE;
}
NS_IMETHODIMP
nsDocLoaderImpl::CreateDocumentLoader(nsIDocumentLoader** anInstance)
{
@ -1024,24 +379,43 @@ done:
return rv;
}
NS_IMETHODIMP
nsDocLoaderImpl::SetDocumentFactory(nsIDocumentLoaderFactory* aFactory)
nsresult
nsDocLoaderImpl::CreateContentViewer(nsIURL* aURL,
const char* aContentType,
const char *aCommand,
nsIContentViewerContainer* aContainer,
nsISupports* aExtraInfo,
nsIStreamListener** aDocListenerResult,
nsIContentViewer** aDocViewerResult)
{
m_DocFactory = dont_QueryInterface(aFactory);
return NS_OK;
// Lookup class-id for the command plus content-type combination
nsCID cid;
char id[500];
PR_snprintf(id, sizeof(id),
NS_DOCUMENT_LOADER_FACTORY_PROGID_PREFIX "%s/%s",
aCommand ? aCommand : "view",/* XXX bug! shouldn't b needed!*/
aContentType);
nsresult rv = nsComponentManager::ProgIDToCLSID(id, &cid);
if (NS_FAILED(rv)) {
return rv;
}
NS_IMETHODIMP
nsDocLoaderImpl::GetDocumentFactory(nsIDocumentLoaderFactory** aResult)
{
*aResult = m_DocFactory;
NS_IF_ADDREF(*aResult);
return NS_OK;
// Create an instance of the document-loader-factory object
nsIDocumentLoaderFactory* factory;
rv = nsComponentManager::CreateInstance(cid, (nsISupports *)nsnull,
kIDocumentLoaderFactoryIID,
(void **)&factory);
if (NS_FAILED(rv)) {
return rv;
}
// Now create an instance of the content viewer
rv = factory->CreateInstance(aURL, aContentType, aCommand, aContainer,
aExtraInfo, aDocListenerResult,
aDocViewerResult);
NS_RELEASE(factory);
return rv;
}
NS_IMETHODIMP
nsDocLoaderImpl::LoadDocument(const nsString& aURLSpec,
@ -1996,7 +1370,8 @@ NS_METHOD nsDocumentBindInfo::OnStatus(nsIURL* aURL, const PRUnichar* aMsg)
}
NS_METHOD nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentType)
NS_IMETHODIMP
nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentType)
{
nsresult rv = NS_OK;
nsIContentViewer* viewer = nsnull;
@ -2017,13 +1392,12 @@ NS_METHOD nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentT
}
if (nsnull == m_NextStream) {
/*
* Now that the content type is available, create a document (and viewer)
* of the appropriate type...
* Now that the content type is available, create a document
* (and viewer) of the appropriate type...
*/
if (m_DocLoader->m_DocFactory) {
rv = m_DocLoader->m_DocFactory->CreateInstance(m_Url,
if (m_DocLoader) {
rv = m_DocLoader->CreateContentViewer(m_Url,
aContentType,
m_Command,
m_Container,
@ -2035,7 +1409,7 @@ NS_METHOD nsDocumentBindInfo::OnStartBinding(nsIURL* aURL, const char *aContentT
}
if (NS_FAILED(rv)) {
printf("DocLoaderFactory: Unable to create ContentViewer for content-type: %s\n", aContentType);
printf("DocLoaderFactory: Unable to create ContentViewer for command=%s, content-type=%s\n", m_Command ? m_Command : "(null)", aContentType);
if ( m_Container ) {
// Give content container a chance to do something with this URL.
rv = m_Container->HandleUnknownContentType( (nsIDocumentLoader*) m_DocLoader, aURL, aContentType, m_Command );
@ -2262,7 +1636,6 @@ done:
return rv;
}
// Entry point to create nsDocLoaderService factory instances...
nsresult NS_NewDocLoaderServiceFactory(nsIFactory** aResult)