// static
nsresult
IDBFactory::SetDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
PRUint64 aVersion,
ObjectStoreInfoArray& aObjectStores)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aDatabaseInfo, "Null pointer!");
ObjectStoreInfoArray objectStores;
objectStores.SwapElements(aObjectStores);
#ifdef DEBUG
{
nsTArray<nsString> existingNames;
aDatabaseInfo->GetObjectStoreNames(existingNames);
NS_ASSERTION(existingNames.IsEmpty(), "Should be an empty DatabaseInfo");
}
#endif
aDatabaseInfo->version = aVersion;
for (PRUint32 index = 0; index < objectStores.Length(); index++) {
nsRefPtr<ObjectStoreInfo>& info = objectStores[index];
if (!aDatabaseInfo->PutObjectStore(info)) {
NS_WARNING("Out of memory!");
return NS_ERROR_OUT_OF_MEMORY;
}
}
return NS_OK;
}
// static
nsresult
IDBFactory::UpdateDatabaseMetadata(DatabaseInfo* aDatabaseInfo,
PRUint64 aVersion,
ObjectStoreInfoArray& aObjectStores)
{
NS_ASSERTION(NS_IsMainThread(), "Wrong thread!");
NS_ASSERTION(aDatabaseInfo, "Null pointer!");
ObjectStoreInfoArray objectStores;
if (!objectStores.SwapElements(aObjectStores)) {
NS_WARNING("Out of memory!");
return NS_ERROR_OUT_OF_MEMORY;
}
nsAutoTArray<nsString, 10> existingNames;
if (!aDatabaseInfo->GetObjectStoreNames(existingNames)) {
NS_WARNING("Out of memory!");
return NS_ERROR_OUT_OF_MEMORY;
}
// Remove all the old ones.
for (PRUint32 index = 0; index < existingNames.Length(); index++) {
aDatabaseInfo->RemoveObjectStore(existingNames[index]);
}
aDatabaseInfo->version = aVersion;
for (PRUint32 index = 0; index < objectStores.Length(); index++) {
nsAutoPtr<ObjectStoreInfo>& info = objectStores[index];
NS_ASSERTION(info->databaseId == aDatabaseInfo->id, "Huh?!");
if (!aDatabaseInfo->PutObjectStore(info)) {
NS_WARNING("Out of memory!");
return NS_ERROR_OUT_OF_MEMORY;
}
info.forget();
}
return NS_OK;
}