void IDBTransaction::transitionedToFinishing(IndexedDB::TransactionState state)
{
ASSERT(!isFinishedOrFinishing());
m_state = state;
ASSERT(isFinishedOrFinishing());
m_referencedObjectStores.clear();
}
void IDBTransaction::activate()
{
if (isFinishedOrFinishing())
return;
m_state = IndexedDB::TransactionState::Active;
}
void IDBTransaction::abortDueToFailedRequest(DOMError& error)
{
LOG(IndexedDB, "IDBTransaction::abortDueToFailedRequest");
if (isFinishedOrFinishing())
return;
m_domError = &error;
ExceptionCodeWithMessage ec;
abort(ec);
}
void IDBTransaction::commit()
{
LOG(IndexedDB, "IDBTransaction::commit");
ASSERT(!isFinishedOrFinishing());
transitionedToFinishing(IndexedDB::TransactionState::Committing);
m_database->willCommitTransaction(*this);
auto operation = createTransactionOperation(*this, nullptr, &IDBTransaction::commitOnServer);
scheduleOperation(WTFMove(operation));
}
void IDBTransaction::abort(ExceptionCode& ec)
{
LOG(IndexedDB, "IDBTransaction::abort");
if (isFinishedOrFinishing()) {
ec = INVALID_STATE_ERR;
return;
}
m_state = IndexedDB::TransactionState::Aborting;
m_database->willAbortTransaction(*this);
auto operation = createTransactionOperation(*this, nullptr, &IDBTransaction::abortOnServer);
scheduleOperation(WTF::move(operation));
}
void IDBTransaction::stop()
{
LOG(IndexedDB, "IDBTransaction::stop");
// IDBDatabase::stop() calls IDBTransaction::stop() for each of its active transactions.
// Since the order of calling ActiveDOMObject::stop() is random, we might already have been stopped.
if (m_contextStopped)
return;
m_contextStopped = true;
if (isFinishedOrFinishing())
return;
ExceptionCodeWithMessage ec;
abort(ec);
}
RefPtr<WebCore::IDBObjectStore> IDBTransaction::objectStore(const String& objectStoreName, ExceptionCode& ec)
{
LOG(IndexedDB, "IDBTransaction::objectStore");
if (objectStoreName.isEmpty()) {
ec = NOT_FOUND_ERR;
return nullptr;
}
if (isFinishedOrFinishing()) {
ec = INVALID_STATE_ERR;
return nullptr;
}
auto iterator = m_referencedObjectStores.find(objectStoreName);
if (iterator != m_referencedObjectStores.end())
return iterator->value;
bool found = false;
for (auto& objectStore : m_info.objectStores()) {
if (objectStore == objectStoreName) {
found = true;
break;
}
}
auto* info = m_database->info().infoForExistingObjectStore(objectStoreName);
if (!info) {
ec = NOT_FOUND_ERR;
return nullptr;
}
// Version change transactions are scoped to every object store in the database.
if (!found && !isVersionChange()) {
ec = NOT_FOUND_ERR;
return nullptr;
}
auto objectStore = IDBObjectStore::create(*info, *this);
m_referencedObjectStores.set(objectStoreName, &objectStore.get());
return adoptRef(&objectStore.leakRef());
}
void IDBTransaction::operationTimerFired()
{
LOG(IndexedDB, "IDBTransaction::operationTimerFired (%p)", this);
if (!m_startedOnServer)
return;
if (!m_transactionOperationQueue.isEmpty()) {
auto operation = m_transactionOperationQueue.takeFirst();
operation->perform();
return;
}
if (!m_transactionOperationMap.isEmpty() || !m_openRequests.isEmpty())
return;
if (!isFinishedOrFinishing())
commit();
}
RefPtr<WebCore::IDBObjectStore> IDBTransaction::objectStore(const String& objectStoreName, ExceptionCodeWithMessage& ec)
{
LOG(IndexedDB, "IDBTransaction::objectStore");
if (isFinishedOrFinishing()) {
ec.code = IDBDatabaseException::InvalidStateError;
ec.message = ASCIILiteral("Failed to execute 'objectStore' on 'IDBTransaction': The transaction finished.");
return nullptr;
}
auto iterator = m_referencedObjectStores.find(objectStoreName);
if (iterator != m_referencedObjectStores.end())
return iterator->value;
bool found = false;
for (auto& objectStore : m_info.objectStores()) {
if (objectStore == objectStoreName) {
found = true;
break;
}
}
auto* info = m_database->info().infoForExistingObjectStore(objectStoreName);
if (!info) {
ec.code = IDBDatabaseException::NotFoundError;
ec.message = ASCIILiteral("Failed to execute 'objectStore' on 'IDBTransaction': The specified object store was not found.");
return nullptr;
}
// Version change transactions are scoped to every object store in the database.
if (!info || (!found && !isVersionChange())) {
ec.code = IDBDatabaseException::NotFoundError;
ec.message = ASCIILiteral("Failed to execute 'objectStore' on 'IDBTransaction': The specified object store was not found.");
return nullptr;
}
auto objectStore = IDBObjectStore::create(*info, *this);
m_referencedObjectStores.set(objectStoreName, &objectStore.get());
return adoptRef(&objectStore.leakRef());
}
void IDBTransaction::abort(ExceptionCodeWithMessage& ec)
{
LOG(IndexedDB, "IDBTransaction::abort");
if (isFinishedOrFinishing()) {
ec.code = IDBDatabaseException::InvalidStateError;
ec.message = ASCIILiteral("Failed to execute 'abort' on 'IDBTransaction': The transaction is inactive or finished.");
return;
}
m_state = IndexedDB::TransactionState::Aborting;
m_database->willAbortTransaction(*this);
if (isVersionChange()) {
for (auto& objectStore : m_referencedObjectStores.values())
objectStore->rollbackInfoForVersionChangeAbort();
}
m_abortQueue.swap(m_transactionOperationQueue);
auto operation = createTransactionOperation(*this, nullptr, &IDBTransaction::abortOnServerAndCancelRequests);
scheduleOperation(WTFMove(operation));
}