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Bug 786299 - Delete app-cache related to an app when uninstalled, part 1 r=jduell

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This commit is contained in:
Jason Duell
2012-09-28 16:13:15 -07:00
parent 0b8f6d0daf
commit aa7967e955
4 changed files with 90 additions and 9 deletions
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68
netwerk/cache/nsDiskCacheDeviceSQL.cpp vendored
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@@ -1215,6 +1215,7 @@ nsOfflineCacheDevice::Init()
" AND NameSpace <= ?2 AND ?2 GLOB NameSpace || '*'"
" ORDER BY NameSpace DESC;"),
StatementSql ( mStatement_InsertNamespaceEntry, "INSERT INTO moz_cache_namespaces (ClientID, NameSpace, Data, ItemType) VALUES(?, ?, ?, ?);"),
StatementSql ( mStatement_EnumerateApps, "SELECT GroupID, ActiveClientID FROM moz_cache_groups WHERE GroupID LIKE ?1;"),
StatementSql ( mStatement_EnumerateGroups, "SELECT GroupID, ActiveClientID FROM moz_cache_groups;"),
StatementSql ( mStatement_EnumerateGroupsTimeOrder, "SELECT GroupID, ActiveClientID FROM moz_cache_groups ORDER BY ActivateTimeStamp;")
};
@@ -1245,6 +1246,17 @@ GetGroupForCache(const nsCSubstring &clientID, nsCString &group)
return NS_OK;
}
nsresult
AppendJARIdentifier(nsACString &_result, int32_t appId, bool isInBrowserElement)
{
_result.Append('#');
_result.AppendInt(appId);
_result.Append('+');
_result.Append(isInBrowserElement ? 't' : 'f');
return NS_OK;
}
nsresult
GetJARIdentifier(nsIURI *aURI,
nsILoadContext *aLoadContext,
@@ -1271,11 +1283,7 @@ GetJARIdentifier(nsIURI *aURI,
return NS_OK;
// This load context has some special attributes, create a jar identifier
_result.AppendInt(appId);
_result.Append('+');
_result.Append(isInBrowserElement ? 't' : 'f');
return NS_OK;
return AppendJARIdentifier(_result, appId, isInBrowserElement);
}
} // anon namespace
@@ -1301,10 +1309,8 @@ nsOfflineCacheDevice::BuildApplicationCacheGroupID(nsIURI *aManifestURL,
NS_ENSURE_SUCCESS(rv, rv);
// Include JAR ID, i.e. the extended origin if present.
if (!jarid.IsEmpty()) {
_result.Append('#');
if (!jarid.IsEmpty())
_result.Append(jarid);
}
return NS_OK;
}
@@ -2362,6 +2368,52 @@ nsOfflineCacheDevice::DeactivateGroup(const nsACString &group)
return NS_OK;
}
nsresult
nsOfflineCacheDevice::DiscardByAppId(int32_t appID, bool browserEntriesOnly)
{
nsresult rv;
nsAutoCString jaridsuffix;
jaridsuffix.Append('%');
rv = AppendJARIdentifier(jaridsuffix, appID, browserEntriesOnly);
NS_ENSURE_SUCCESS(rv, rv);
AutoResetStatement statement(mStatement_EnumerateApps);
rv = statement->BindUTF8StringByIndex(0, jaridsuffix);
NS_ENSURE_SUCCESS(rv, rv);
bool hasRows;
rv = statement->ExecuteStep(&hasRows);
NS_ENSURE_SUCCESS(rv, rv);
while (hasRows) {
nsAutoCString group;
rv = statement->GetUTF8String(0, group);
NS_ENSURE_SUCCESS(rv, rv);
nsCString clientID;
rv = statement->GetUTF8String(1, clientID);
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIRunnable> ev =
new nsOfflineCacheDiscardCache(this, group, clientID);
rv = nsCacheService::DispatchToCacheIOThread(ev);
NS_ENSURE_SUCCESS(rv, rv);
rv = statement->ExecuteStep(&hasRows);
NS_ENSURE_SUCCESS(rv, rv);
}
if (!browserEntriesOnly) {
// If deleting app, delete any 'inBrowserElement' entries too
rv = DiscardByAppId(appID, true);
NS_ENSURE_SUCCESS(rv, rv);
}
return NS_OK;
}
bool
nsOfflineCacheDevice::CanUseCache(nsIURI *keyURI,
const nsACString &clientID,