Read previous downloads from profile RDF XML datasource.

NOT PART OF BUILD.

xpfe/components/download-manager/resources/content/downloadmanager.js

@@ -87,9 +87,9 @@ function Test()
   var ds = dlmgr.QueryInterface(Components.interfaces.nsIRDFDataSource);
   gDownloadView.database.AddDataSource(ds);
   gDownloadView.builder.rebuild();
-  dlmgr.addItem("Some File", uri, lf, null, null);
-  gDownloadView.builder.rebuild();  
-  dump("*** goat\n");
+//  dlmgr.addItem("Some File", uri, lf, null, null);
+//  gDownloadView.builder.rebuild();  
+//  dump("*** goat\n");
 }
 
 function Shutdown()

xpfe/components/download-manager/src/nsDownloadManager.cpp

@@ -55,6 +55,7 @@
 #include "nsFileStream.h"
 
 static NS_DEFINE_CID(kRDFServiceCID, NS_RDFSERVICE_CID);
+static NS_DEFINE_CID(kRDFXMLDataSourceCID, NS_RDFXMLDATASOURCE_CID);
 
 #define PROFILE_DOWNLOAD_FILE "downloads.rdf"
 #define NSDOWNLOADMANAGER_PROPERTIES_URI "chrome://communicator/locale/downloadmanager/downloadmanager.properties"
@@ -67,7 +68,7 @@ nsIRDFResource* gNC_Progress;
 
 nsIRDFService* gRDFService;
 
-NS_IMPL_ISUPPORTS3(nsDownloadManager, nsIDownloadManager, nsIRDFDataSource, nsIRDFRemoteDataSource)
+NS_IMPL_ISUPPORTS2(nsDownloadManager, nsIDownloadManager, nsIRDFDataSource)
 
 nsDownloadManager::nsDownloadManager()
 {
@@ -105,8 +106,24 @@ nsDownloadManager::Init()
   gRDFService->GetResource(NC_NAMESPACE_URI "Name", &gNC_Name);
   gRDFService->GetResource(NC_NAMESPACE_URI "Progress", &gNC_Progress);
 
+#if 0
   mInner = do_GetService(NS_RDF_DATASOURCE_CONTRACTID_PREFIX "in-memory-datasource", &rv);
   if (NS_FAILED(rv)) return rv;
+#else
+  mInner = do_GetService(kRDFXMLDataSourceCID, &rv);
+  if (NS_FAILED(rv)) return rv;
+
+  // This should move elsewhere
+  nsXPIDLCString downloadsDB;
+  GetProfileDownloadsFileURL(getter_Copies(downloadsDB));
+
+  nsCOMPtr<nsIRDFRemoteDataSource> remote(do_QueryInterface(mInner));
+  rv = remote->Init(downloadsDB);
+  if (NS_FAILED(rv)) return rv;
+
+  rv = remote->Refresh(PR_TRUE);
+  if (NS_FAILED(rv)) return rv;
+#endif
 
   return gRDFService->RegisterDataSource(this, PR_FALSE);  
 }                                                 
@@ -171,7 +188,8 @@ nsDownloadManager::AddItem(const PRUnichar* aDisplayName, nsIURI* aSourceURI,
   gRDFService->GetResource(filePath, getter_AddRefs(fileResource));
   Assert(downloadItem, gNC_File, fileResource, PR_TRUE);
 
-  return Flush();
+  nsCOMPtr<nsIRDFRemoteDataSource> remote(do_QueryInterface(mInner));
+  return remote->Flush();
 }
 
 nsresult
@@ -357,34 +375,11 @@ nsDownloadManager::DoCommand(nsISupportsArray* aSources,
   return mInner->DoCommand(aSources, aCommand, aArguments);
 }
 
-////////////////////////////////////////////////////////////////////////
-// nsIRDFRemoteDataSource
-
-NS_IMETHODIMP
-nsDownloadManager::GetLoaded(PRBool* aResult)
-{
-  *aResult = PR_TRUE;
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsDownloadManager::Init(const char* aURI)
-{
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsDownloadManager::Refresh(PRBool aBlocking)
-{
-  return NS_OK;
-}
-
-NS_IMETHODIMP
-nsDownloadManager::Flush()
+nsresult
+nsDownloadManager::GetProfileDownloadsFileURL(char** aDownloadsFileURL)
 {
   nsresult rv;
 
-  // Locate datasource file
   nsCOMPtr<nsIProperties> fileLocator(do_GetService("@mozilla.org/file/directory_service;1"));
   nsCOMPtr<nsIFile> profileDir;
   rv = fileLocator->Get(NS_APP_USER_PROFILE_50_DIR, NS_GET_IID(nsIFile), getter_AddRefs(profileDir));
@@ -393,27 +388,7 @@ nsDownloadManager::Flush()
   rv = profileDir->Append(PROFILE_DOWNLOAD_FILE);
   if (NS_FAILED(rv)) return rv;
 
-  nsXPIDLCString fileURL;
-  profileDir->GetURL(getter_Copies(fileURL));
-  nsAutoString fileAS; fileAS.AssignWithConversion(fileURL);
-
-  nsFileURL url(fileURL, PR_TRUE);
-  nsFileSpec path(url);
-
-  nsOutputFileStream out(path);
-  if (!out.is_open())
-    return NS_ERROR_FAILURE;
-
-  nsCOMPtr<nsIRDFXMLSerializer> serializer(do_CreateInstance("@mozilla.org/rdf/xml-serializer;1", &rv));
-  if (NS_FAILED(rv)) return rv;
-
-  rv = serializer->Init(mInner);
-  if (NS_FAILED(rv)) return rv;
-  
-  nsCOMPtr<nsIRDFXMLSource> source(do_QueryInterface(serializer, &rv));
-  if (NS_FAILED(rv)) return rv;
-
-  return source->Serialize(out.GetIStream());
+  return profileDir->GetURL(aDownloadsFileURL);
 }
 
 ///////////////////////////////////////////////////////////////////////////////

xpfe/components/download-manager/src/nsDownloadManager.h

@@ -53,12 +53,10 @@
 #include "nsILocalFile.h"
  
 class nsDownloadManager : public nsIDownloadManager,
-                          public nsIRDFDataSource,
-                          public nsIRDFRemoteDataSource
+                          public nsIRDFDataSource
 {
 public:
   NS_DECL_NSIRDFDATASOURCE
-  NS_DECL_NSIRDFREMOTEDATASOURCE
   NS_DECL_ISUPPORTS
   NS_DECL_NSIDOWNLOADMANAGER
 
@@ -69,11 +67,12 @@ public:
 
 protected:
   nsresult GetDownloadsContainer(nsIRDFContainer** aResult);
+  nsresult GetProfileDownloadsFileURL(char** aDownloadsFileURL);
+
 
 protected:
   nsCOMPtr<nsIRDFDataSource> mInner;
   nsCOMPtr<nsISupportsArray> mObservers;
-
   nsCOMPtr<nsIRDFService> mRDFService;
   nsCOMPtr<nsIRDFContainerUtils> mRDFContainerUtils;