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142824 - downloads.rdf keeps on growing. patch by jrgm@netscape.com. r=blake sr=ben

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git-svn-id: svn://10.0.0.236/trunk@123599 18797224-902f-48f8-a5cc-f745e15eee43
This commit is contained in:
blakeross%telocity.com
2002-06-19 19:53:58 +00:00
parent 982a96dc4a
commit 8d2bb87fb0
1 changed files with 43 additions and 0 deletions
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43
mozilla/xpfe/components/download-manager/src/nsDownloadManager.cpp
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@@ -623,6 +623,49 @@ nsDownloadManager::RemoveDownload(const char* aPath)
nsCOMPtr<nsIRDFResource> res;
gRDFService->GetResource(aPath, getter_AddRefs(res));
// remove all the arcs for this resource, and then remove it from the Seq
nsCOMPtr<nsISimpleEnumerator> arcs;
rv = mDataSource->ArcLabelsOut(res, getter_AddRefs(arcs));
if (NS_FAILED(rv)) return rv;
PRBool moreArcs;
rv = arcs->HasMoreElements(&moreArcs);
if (NS_FAILED(rv)) return rv;
while (moreArcs) {
nsCOMPtr<nsISupports> supports;
rv = arcs->GetNext(getter_AddRefs(supports));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIRDFResource> arc(do_QueryInterface(supports, &rv));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsISimpleEnumerator> targets;
rv = mDataSource->GetTargets(res, arc, PR_TRUE, getter_AddRefs(targets));
if (NS_FAILED(rv)) return rv;
PRBool moreTargets;
rv = targets->HasMoreElements(&moreTargets);
if (NS_FAILED(rv)) return rv;
while (moreTargets) {
rv = targets->GetNext(getter_AddRefs(supports));
if (NS_FAILED(rv)) return rv;
nsCOMPtr<nsIRDFNode> target(do_QueryInterface(supports, &rv));
if (NS_FAILED(rv)) return rv;
// and now drop this assertion from the graph
rv = mDataSource->Unassert(res, arc, target);
if (NS_FAILED(rv)) return rv;
rv = targets->HasMoreElements(&moreTargets);
if (NS_FAILED(rv)) return rv;
}
rv = arcs->HasMoreElements(&moreArcs);
if (NS_FAILED(rv)) return rv;
}
PRInt32 itemIndex;
downloads->IndexOf(res, &itemIndex);
if (itemIndex <= 0)