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Bug 399632 - Resume (not restart) a download after firefox crashes. r=sdwilsh, b-ff3=mconnor, a1.9=mconnor, aM9=mconnor

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This commit is contained in:
edward.lee@engineering.uiuc.edu 2007-10-24 15:39:05 -07:00
parent ccf743f7b0
commit 2714bb52a3
2 changed files with 6 additions and 37 deletions
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40
toolkit/components/downloads/src/nsDownloadManager.cpp
View File

@ -661,46 +661,18 @@ nsDownloadManager::ImportDownloadHistory()
nsresult
nsDownloadManager::RestoreDatabaseState()
{
// First, we get all the downloads that are supposedly active, but are not
// really because we crashed.
// Convert supposedly-active downloads into downloads that should auto-resume
nsCOMPtr<mozIStorageStatement> stmt;
nsresult rv = mDBConn->CreateStatement(NS_LITERAL_CSTRING(
"SELECT id "
"FROM moz_downloads "
"WHERE state = ?1 "
"OR state = ?2 "
"OR state = ?3"), getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
PRInt32 i = 0;
rv = stmt->BindInt32Parameter(i++, nsIDownloadManager::DOWNLOAD_NOTSTARTED);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt32Parameter(i++, nsIDownloadManager::DOWNLOAD_QUEUED);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt32Parameter(i++, nsIDownloadManager::DOWNLOAD_DOWNLOADING);
NS_ENSURE_SUCCESS(rv, rv);
// Next, we iterate through them storing them in an array
nsTArray<PRUint32> ids;
PRBool hasResults;
while (NS_SUCCEEDED(stmt->ExecuteStep(&hasResults)) && hasResults)
(void)ids.AppendElement(stmt->AsInt32(0));
rv = stmt->Reset();
NS_ENSURE_SUCCESS(rv, rv);
// Third, change all of those downloads to a failed state so we will be able
// to retry them.
rv = mDBConn->CreateStatement(NS_LITERAL_CSTRING(
"UPDATE moz_downloads "
"SET state = ?1 "
"SET autoResume = ?1 "
"WHERE state = ?2 "
"OR state = ?3 "
"OR state = ?4"), getter_AddRefs(stmt));
NS_ENSURE_SUCCESS(rv, rv);
i = 0;
rv = stmt->BindInt32Parameter(i++, nsIDownloadManager::DOWNLOAD_FAILED);
PRInt32 i = 0;
rv = stmt->BindInt32Parameter(i++, nsDownload::AUTO_RESUME);
NS_ENSURE_SUCCESS(rv, rv);
rv = stmt->BindInt32Parameter(i++, nsIDownloadManager::DOWNLOAD_NOTSTARTED);
NS_ENSURE_SUCCESS(rv, rv);
@ -712,10 +684,6 @@ nsDownloadManager::RestoreDatabaseState()
rv = stmt->Execute();
NS_ENSURE_SUCCESS(rv, rv);
// Finally, let's retry all of those downloads
for (nsTArray<PRUint32>::size_type i = 0; i < ids.Length(); i++)
(void)RetryDownload(ids[i]);
return NS_OK;
}

3
toolkit/components/downloads/src/nsDownloadManager.h
View File

@ -102,7 +102,8 @@ protected:
/**
* Fix up the database after a crash such as dealing with previously-active
* downloads.
* downloads. Call this before RestoreActiveDownloads to get the downloads
* fixed here to be auto-resumed.
*/
nsresult RestoreDatabaseState();