void
IDBDatabase::CloseInternal()
{
AssertIsOnOwningThread();
if (!mClosed) {
mClosed = true;
ExpireFileActors(/* aExpireAll */ true);
if (mObserver) {
mObserver->Revoke();
nsCOMPtr<nsIObserverService> obsSvc = GetObserverService();
if (obsSvc) {
// These might not have been registered.
obsSvc->RemoveObserver(mObserver, kCycleCollectionObserverTopic);
obsSvc->RemoveObserver(mObserver, kMemoryPressureObserverTopic);
MOZ_ALWAYS_TRUE(NS_SUCCEEDED(
obsSvc->RemoveObserver(mObserver, kWindowObserverTopic)));
}
mObserver = nullptr;
}
if (mBackgroundActor && !mInvalidated) {
mBackgroundActor->SendClose();
}
}
}
nsresult
IDBDatabase::Transaction(JSContext* aCx,
const StringOrStringSequence& aStoreNames,
IDBTransactionMode aMode,
IDBTransaction** aTransaction)
{
AssertIsOnOwningThread();
if (NS_WARN_IF((aMode == IDBTransactionMode::Readwriteflush ||
aMode == IDBTransactionMode::Cleanup) &&
!IndexedDatabaseManager::ExperimentalFeaturesEnabled())) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (QuotaManager::IsShuttingDown()) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
if (mClosed || RunningVersionChangeTransaction()) {
return NS_ERROR_DOM_INDEXEDDB_NOT_ALLOWED_ERR;
}
AutoTArray<nsString, 1> stackSequence;
if (aStoreNames.IsString()) {
stackSequence.AppendElement(aStoreNames.GetAsString());
} else {
MOZ_ASSERT(aStoreNames.IsStringSequence());
if (aStoreNames.GetAsStringSequence().IsEmpty()) {
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
}
}
const nsTArray<nsString>& storeNames =
aStoreNames.IsString() ?
stackSequence :
static_cast<const nsTArray<nsString>&>(aStoreNames.GetAsStringSequence());
MOZ_ASSERT(!storeNames.IsEmpty());
const nsTArray<ObjectStoreSpec>& objectStores = mSpec->objectStores();
const uint32_t nameCount = storeNames.Length();
nsTArray<nsString> sortedStoreNames;
sortedStoreNames.SetCapacity(nameCount);
// Check to make sure the object store names we collected actually exist.
for (uint32_t nameIndex = 0; nameIndex < nameCount; nameIndex++) {
const nsString& name = storeNames[nameIndex];
bool found = false;
for (uint32_t objCount = objectStores.Length(), objIndex = 0;
objIndex < objCount;
objIndex++) {
if (objectStores[objIndex].metadata().name() == name) {
found = true;
break;
}
}
if (!found) {
return NS_ERROR_DOM_INDEXEDDB_NOT_FOUND_ERR;
}
sortedStoreNames.InsertElementSorted(name);
}
// Remove any duplicates.
for (uint32_t nameIndex = nameCount - 1; nameIndex > 0; nameIndex--) {
if (sortedStoreNames[nameIndex] == sortedStoreNames[nameIndex - 1]) {
sortedStoreNames.RemoveElementAt(nameIndex);
}
}
IDBTransaction::Mode mode;
switch (aMode) {
case IDBTransactionMode::Readonly:
mode = IDBTransaction::READ_ONLY;
break;
case IDBTransactionMode::Readwrite:
mode = IDBTransaction::READ_WRITE;
break;
case IDBTransactionMode::Readwriteflush:
mode = IDBTransaction::READ_WRITE_FLUSH;
break;
case IDBTransactionMode::Cleanup:
mode = IDBTransaction::CLEANUP;
break;
case IDBTransactionMode::Versionchange:
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
default:
MOZ_CRASH("Unknown mode!");
}
RefPtr<IDBTransaction> transaction =
IDBTransaction::Create(aCx, this, sortedStoreNames, mode);
if (NS_WARN_IF(!transaction)) {
IDB_REPORT_INTERNAL_ERR();
return NS_ERROR_DOM_INDEXEDDB_UNKNOWN_ERR;
}
BackgroundTransactionChild* actor =
new BackgroundTransactionChild(transaction);
IDB_LOG_MARK("IndexedDB %s: Child Transaction[%lld]: "
"database(%s).transaction(%s)",
"IndexedDB %s: C T[%lld]: IDBDatabase.transaction()",
IDB_LOG_ID_STRING(),
transaction->LoggingSerialNumber(),
IDB_LOG_STRINGIFY(this),
IDB_LOG_STRINGIFY(transaction));
MOZ_ALWAYS_TRUE(
mBackgroundActor->SendPBackgroundIDBTransactionConstructor(actor,
sortedStoreNames,
mode));
transaction->SetBackgroundActor(actor);
if (aMode == IDBTransactionMode::Cleanup) {
ExpireFileActors(/* aExpireAll */ true);
}
transaction.forget(aTransaction);
return NS_OK;
}