mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-30 00:01:50 +00:00
Added the ability to construct a XUL document from a stream
This commit is contained in:
scc%netscape.com
parent
e6e8270301
commit
d828879f09
@ -42,6 +42,8 @@
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#include "nsIServiceManager.h"
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#include "nsINetService.h"
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#include "nsXPComFactory.h"
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#include "nsIStreamLoadableDocument.h"
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#include "nsIDocStreamLoaderFactory.h"
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// XXX: Only needed for dummy factory...
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#include "nsIDocument.h"
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@ -166,13 +168,15 @@ protected:
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* nsDocFactoryImpl implementation...
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****************************************************************************/
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class nsDocFactoryImpl : public nsIDocumentLoaderFactory
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class nsDocFactoryImpl : public nsIDocumentLoaderFactory,
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public nsIDocStreamLoaderFactory
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{
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public:
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nsDocFactoryImpl();
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NS_DECL_ISUPPORTS
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// for nsIDocumentLoaderFactory
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NS_IMETHOD CreateInstance(nsIURL* aURL,
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const char* aContentType,
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const char* aCommand,
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@ -181,6 +185,14 @@ public:
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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// for nsIDocStreamLoaderFactory
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NS_METHOD CreateInstance( nsIInputStream& aInputStream,
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const char* aContentType,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIContentViewer** aDocViewer );
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nsresult InitUAStyleSheet();
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nsresult CreateDefaultDocument(nsIURL* aURL,
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@ -202,6 +214,13 @@ public:
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult CreateXULDocumentFromStream( nsIInputStream& aXULStream,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIContentViewer** aDocViewer );
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nsresult CreateImageDocument(nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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@ -214,6 +233,10 @@ public:
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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protected:
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nsresult do_CreateRDFDocument( nsISupports*, nsCOMPtr<nsIDocument>*, nsCOMPtr<nsIDocumentViewer>* );
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};
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static nsICSSStyleSheet* gUAStyleSheet;
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@ -226,7 +249,37 @@ nsDocFactoryImpl::nsDocFactoryImpl()
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/*
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* Implementation of ISupports methods...
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*/
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NS_IMPL_ISUPPORTS(nsDocFactoryImpl,kIDocumentLoaderFactoryIID);
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NS_IMPL_ADDREF(nsDocFactoryImpl)
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NS_IMPL_RELEASE(nsDocFactoryImpl)
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NS_IMETHODIMP
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nsDocFactoryImpl::QueryInterface( REFNSIID aIID, void** aInstancePtr )
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{
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nsISupports* temp;
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nsISupports** result = aInstancePtr ? NS_REINTERPRET_CAST(nsISupports**, aInstancePtr) : &temp;
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if ( aIID.Equals(nsIDocumentLoaderFactory::GetIID()) )
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*result = NS_STATIC_CAST(nsIDocumentLoaderFactory*, this);
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else if ( aIID.Equals(nsIDocStreamLoaderFactory::GetIID()) )
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*result = NS_STATIC_CAST(nsIDocStreamLoaderFactory*, this);
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else if ( aIID.Equals(nsISupports::GetIID()) )
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*result = NS_STATIC_CAST(nsISupports*, NS_STATIC_CAST(nsIDocumentLoaderFactory*, this));
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else
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*result = 0;
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nsresult status;
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if ( !aInstancePtr )
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status = NS_ERROR_NULL_POINTER;
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else if ( !*aInstancePtr )
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status = NS_NOINTERFACE;
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else
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{
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NS_ADDREF(*result);
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status = NS_OK;
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}
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return status;
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}
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static char* gValidTypes[] = {"text/html","application/rtf","text/plain",0};
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static char* gXMLTypes[] = {"text/xml", "application/xml", 0};
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@ -328,6 +381,32 @@ nsDocFactoryImpl::CreateInstance(nsIURL* aURL,
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return rv;
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}
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NS_IMETHODIMP
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nsDocFactoryImpl::CreateInstance( nsIInputStream& aInputStream,
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const char* aContentType,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIContentViewer** aDocViewer )
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{
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nsresult status = NS_ERROR_FAILURE;
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// Try RDF
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int typeIndex = 0;
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while (gRDFTypes[typeIndex]) {
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if (0 == PL_strcmp(gRDFTypes[typeIndex++], aContentType)) {
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return CreateXULDocumentFromStream(aInputStream,
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aCommand,
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aContainer,
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aExtraInfo,
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aDocViewer);
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}
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}
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return status;
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}
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nsresult
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nsDocFactoryImpl::CreateDefaultDocument(nsIURL* aURL,
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const char* aCommand,
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@ -455,17 +534,15 @@ done:
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return rv;
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}
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nsresult
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nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer)
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{
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nsDocFactoryImpl::do_CreateRDFDocument( nsISupports* aExtraInfo,
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nsCOMPtr<nsIDocument>* doc,
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nsCOMPtr<nsIDocumentViewer>* docv )
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// ...common work for |CreateRDFDocument| and |CreateXULDocumentFromStream|
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{
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nsresult rv = NS_ERROR_FAILURE;
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nsIDocument* doc = nsnull;
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nsIDocumentViewer* docv = nsnull;
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nsCOMPtr<nsIXULDocumentInfo> xulDocumentInfo;
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xulDocumentInfo = do_QueryInterface(aExtraInfo);
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@ -480,16 +557,16 @@ nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
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if (NS_FAILED(rv = nsComponentManager::CreateInstance(kCXULDocumentCID,
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nsnull,
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kIDocumentIID,
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(void **)&doc)))
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getter_AddRefs(*doc))))
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goto done;
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/*
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* Create the image content viewer...
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*/
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if (NS_FAILED(rv = NS_NewDocumentViewer(docv)))
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if (NS_FAILED(rv = NS_NewDocumentViewer( *getter_AddRefs(*docv) )))
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goto done;
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docv->SetUAStyleSheet(gUAStyleSheet);
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(*docv)->SetUAStyleSheet(gUAStyleSheet);
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// We are capable of being a XUL child document. If
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// we have extra info that supports the XUL document info
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@ -503,41 +580,88 @@ nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
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if (NS_SUCCEEDED(xulDocumentInfo->GetDocument(getter_AddRefs(parentDocument))) &&
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NS_SUCCEEDED(xulDocumentInfo->GetResource(getter_AddRefs(fragmentRoot)))) {
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// We were able to obtain a resource and a parent document.
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parentDocument->AddSubDocument(doc);
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doc->SetParentDocument(parentDocument);
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parentDocument->AddSubDocument(*doc);
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(*doc)->SetParentDocument(parentDocument);
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// We need to set our fragment root as well. The
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// XUL child document interface is required to do this.
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nsCOMPtr<nsIXULChildDocument> xulChildDoc;
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xulChildDoc = do_QueryInterface(doc);
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xulChildDoc = do_QueryInterface(*doc);
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if (xulChildDoc) {
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xulChildDoc->SetFragmentRoot(fragmentRoot);
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}
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}
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}
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done:
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return rv;
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}
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nsresult
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nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer)
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// ...note, this RDF document _may_ be XUL :-)
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{
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nsCOMPtr<nsIDocument> doc;
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nsCOMPtr<nsIDocumentViewer> docv;
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nsresult rv = do_CreateRDFDocument(aExtraInfo, &doc, &docv);
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/*
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* Initialize the document to begin loading the data...
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*
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* An nsIStreamListener connected to the parser is returned in
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* aDocListener.
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*/
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if (NS_FAILED(rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand))) {
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NS_RELEASE(docv);
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goto done;
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if (NS_SUCCEEDED(rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand))) {
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/*
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* Bind the document to the Content Viewer...
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*/
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rv = docv->BindToDocument(doc, aCommand);
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*aDocViewer = docv;
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NS_IF_ADDREF(*aDocViewer);
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}
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/*
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* Bind the document to the Content Viewer...
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*/
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rv = docv->BindToDocument(doc, aCommand);
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*aDocViewer = docv;
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done:
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NS_IF_RELEASE(doc);
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return rv;
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return rv;
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}
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nsresult
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nsDocFactoryImpl::CreateXULDocumentFromStream( nsIInputStream& aXULStream,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIContentViewer** aDocViewer )
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{
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nsresult status = NS_OK;
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do
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{
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nsCOMPtr<nsIDocument> doc;
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nsCOMPtr<nsIDocumentViewer> docv;
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if ( NS_FAILED(status = do_CreateRDFDocument(aExtraInfo, &doc, &docv)) )
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break;
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if ( NS_FAILED(status = docv->BindToDocument(doc, aCommand)) )
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break;
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*aDocViewer = docv;
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NS_IF_ADDREF(*aDocViewer);
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nsCOMPtr<nsIStreamLoadableDocument> loader = do_QueryInterface(doc, &status);
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if ( NS_FAILED(status) )
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break;
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status = loader->LoadFromStream(aXULStream, aContainer, aCommand);
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}
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while ( false );
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return status;
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}
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nsresult
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nsDocFactoryImpl::CreateImageDocument(nsIURL* aURL,
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const char* aCommand,
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@ -697,6 +821,7 @@ public:
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NS_IMETHOD CreateDocumentLoader(nsIDocumentLoader** anInstance);
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NS_IMETHOD SetDocumentFactory(nsIDocumentLoaderFactory* aFactory);
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NS_IMETHOD GetDocumentFactory(nsIDocumentLoaderFactory** aResult);
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NS_IMETHOD AddObserver(nsIDocumentLoaderObserver *aObserver);
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NS_IMETHOD RemoveObserver(nsIDocumentLoaderObserver *aObserver);
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@ -893,6 +1018,14 @@ nsDocLoaderImpl::SetDocumentFactory(nsIDocumentLoaderFactory* aFactory)
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::GetDocumentFactory(nsIDocumentLoaderFactory** aResult)
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{
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NS_IF_ADDREF(m_DocFactory);
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*aResult = m_DocFactory;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsDocLoaderImpl::LoadDocument(const nsString& aURLSpec,
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@ -42,6 +42,8 @@
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#include "nsIServiceManager.h"
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#include "nsINetService.h"
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#include "nsXPComFactory.h"
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#include "nsIStreamLoadableDocument.h"
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#include "nsIDocStreamLoaderFactory.h"
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// XXX: Only needed for dummy factory...
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#include "nsIDocument.h"
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@ -166,13 +168,15 @@ protected:
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* nsDocFactoryImpl implementation...
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****************************************************************************/
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class nsDocFactoryImpl : public nsIDocumentLoaderFactory
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class nsDocFactoryImpl : public nsIDocumentLoaderFactory,
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public nsIDocStreamLoaderFactory
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{
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public:
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nsDocFactoryImpl();
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NS_DECL_ISUPPORTS
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// for nsIDocumentLoaderFactory
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NS_IMETHOD CreateInstance(nsIURL* aURL,
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const char* aContentType,
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const char* aCommand,
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@ -181,6 +185,14 @@ public:
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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// for nsIDocStreamLoaderFactory
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NS_METHOD CreateInstance( nsIInputStream& aInputStream,
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const char* aContentType,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIContentViewer** aDocViewer );
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nsresult InitUAStyleSheet();
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nsresult CreateDefaultDocument(nsIURL* aURL,
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@ -202,6 +214,13 @@ public:
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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nsresult CreateXULDocumentFromStream( nsIInputStream& aXULStream,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIContentViewer** aDocViewer );
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nsresult CreateImageDocument(nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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@ -214,6 +233,10 @@ public:
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nsIContentViewerContainer* aContainer,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer);
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protected:
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nsresult do_CreateRDFDocument( nsISupports*, nsCOMPtr<nsIDocument>*, nsCOMPtr<nsIDocumentViewer>* );
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};
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static nsICSSStyleSheet* gUAStyleSheet;
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@ -226,7 +249,37 @@ nsDocFactoryImpl::nsDocFactoryImpl()
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/*
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* Implementation of ISupports methods...
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*/
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NS_IMPL_ISUPPORTS(nsDocFactoryImpl,kIDocumentLoaderFactoryIID);
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NS_IMPL_ADDREF(nsDocFactoryImpl)
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NS_IMPL_RELEASE(nsDocFactoryImpl)
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NS_IMETHODIMP
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nsDocFactoryImpl::QueryInterface( REFNSIID aIID, void** aInstancePtr )
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{
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nsISupports* temp;
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nsISupports** result = aInstancePtr ? NS_REINTERPRET_CAST(nsISupports**, aInstancePtr) : &temp;
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if ( aIID.Equals(nsIDocumentLoaderFactory::GetIID()) )
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*result = NS_STATIC_CAST(nsIDocumentLoaderFactory*, this);
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else if ( aIID.Equals(nsIDocStreamLoaderFactory::GetIID()) )
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*result = NS_STATIC_CAST(nsIDocStreamLoaderFactory*, this);
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else if ( aIID.Equals(nsISupports::GetIID()) )
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*result = NS_STATIC_CAST(nsISupports*, NS_STATIC_CAST(nsIDocumentLoaderFactory*, this));
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else
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*result = 0;
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nsresult status;
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if ( !aInstancePtr )
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status = NS_ERROR_NULL_POINTER;
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else if ( !*aInstancePtr )
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status = NS_NOINTERFACE;
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else
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{
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NS_ADDREF(*result);
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status = NS_OK;
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}
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return status;
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}
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static char* gValidTypes[] = {"text/html","application/rtf","text/plain",0};
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static char* gXMLTypes[] = {"text/xml", "application/xml", 0};
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@ -328,6 +381,32 @@ nsDocFactoryImpl::CreateInstance(nsIURL* aURL,
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return rv;
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}
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NS_IMETHODIMP
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nsDocFactoryImpl::CreateInstance( nsIInputStream& aInputStream,
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const char* aContentType,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIContentViewer** aDocViewer )
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{
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nsresult status = NS_ERROR_FAILURE;
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// Try RDF
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int typeIndex = 0;
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while (gRDFTypes[typeIndex]) {
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if (0 == PL_strcmp(gRDFTypes[typeIndex++], aContentType)) {
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return CreateXULDocumentFromStream(aInputStream,
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aCommand,
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aContainer,
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aExtraInfo,
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aDocViewer);
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}
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}
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return status;
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}
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nsresult
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nsDocFactoryImpl::CreateDefaultDocument(nsIURL* aURL,
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const char* aCommand,
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@ -455,17 +534,15 @@ done:
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return rv;
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}
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nsresult
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nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
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const char* aCommand,
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nsIContentViewerContainer* aContainer,
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nsISupports* aExtraInfo,
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nsIStreamListener** aDocListener,
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nsIContentViewer** aDocViewer)
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{
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nsDocFactoryImpl::do_CreateRDFDocument( nsISupports* aExtraInfo,
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nsCOMPtr<nsIDocument>* doc,
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nsCOMPtr<nsIDocumentViewer>* docv )
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// ...common work for |CreateRDFDocument| and |CreateXULDocumentFromStream|
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{
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nsresult rv = NS_ERROR_FAILURE;
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nsIDocument* doc = nsnull;
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nsIDocumentViewer* docv = nsnull;
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nsCOMPtr<nsIXULDocumentInfo> xulDocumentInfo;
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xulDocumentInfo = do_QueryInterface(aExtraInfo);
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@ -480,16 +557,16 @@ nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
|
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if (NS_FAILED(rv = nsComponentManager::CreateInstance(kCXULDocumentCID,
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nsnull,
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kIDocumentIID,
|
||||
(void **)&doc)))
|
||||
getter_AddRefs(*doc))))
|
||||
goto done;
|
||||
|
||||
/*
|
||||
* Create the image content viewer...
|
||||
*/
|
||||
if (NS_FAILED(rv = NS_NewDocumentViewer(docv)))
|
||||
if (NS_FAILED(rv = NS_NewDocumentViewer( *getter_AddRefs(*docv) )))
|
||||
goto done;
|
||||
|
||||
docv->SetUAStyleSheet(gUAStyleSheet);
|
||||
(*docv)->SetUAStyleSheet(gUAStyleSheet);
|
||||
|
||||
// We are capable of being a XUL child document. If
|
||||
// we have extra info that supports the XUL document info
|
||||
@ -503,41 +580,88 @@ nsDocFactoryImpl::CreateRDFDocument(const char* aContentType, nsIURL* aURL,
|
||||
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);
|
||||
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);
|
||||
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_FAILED(rv = doc->StartDocumentLoad(aURL, aContainer, aDocListener, aCommand))) {
|
||||
NS_RELEASE(docv);
|
||||
goto done;
|
||||
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);
|
||||
}
|
||||
|
||||
/*
|
||||
* Bind the document to the Content Viewer...
|
||||
*/
|
||||
rv = docv->BindToDocument(doc, aCommand);
|
||||
*aDocViewer = docv;
|
||||
|
||||
done:
|
||||
NS_IF_RELEASE(doc);
|
||||
return rv;
|
||||
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 ( false );
|
||||
|
||||
return status;
|
||||
}
|
||||
|
||||
nsresult
|
||||
nsDocFactoryImpl::CreateImageDocument(nsIURL* aURL,
|
||||
const char* aCommand,
|
||||
@ -697,6 +821,7 @@ public:
|
||||
|
||||
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);
|
||||
@ -893,6 +1018,14 @@ nsDocLoaderImpl::SetDocumentFactory(nsIDocumentLoaderFactory* aFactory)
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsDocLoaderImpl::GetDocumentFactory(nsIDocumentLoaderFactory** aResult)
|
||||
{
|
||||
NS_IF_ADDREF(m_DocFactory);
|
||||
*aResult = m_DocFactory;
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
|
||||
NS_IMETHODIMP
|
||||
nsDocLoaderImpl::LoadDocument(const nsString& aURLSpec,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user