IDBRequest* IDBIndex::openCursor(ScriptState* scriptState, IDBKeyRange* keyRange, WebIDBCursorDirection direction)
{
IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get());
request->setCursorDetails(IndexedDB::CursorKeyAndValue, direction);
backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, direction, false, WebIDBTaskTypeNormal, WebIDBCallbacksImpl::create(request).release());
return request;
}
IDBRequest* IDBIndex::openKeyCursor(ScriptState* scriptState, const ScriptValue& range, const String& directionString, ExceptionState& exceptionState)
{
IDB_TRACE("IDBIndex::openKeyCursor");
if (isDeleted()) {
exceptionState.throwDOMException(InvalidStateError, IDBDatabase::indexDeletedErrorMessage);
return nullptr;
}
if (m_transaction->isFinished() || m_transaction->isFinishing()) {
exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionFinishedErrorMessage);
return nullptr;
}
if (!m_transaction->isActive()) {
exceptionState.throwDOMException(TransactionInactiveError, IDBDatabase::transactionInactiveErrorMessage);
return nullptr;
}
WebIDBCursorDirection direction = IDBCursor::stringToDirection(directionString);
IDBKeyRange* keyRange = IDBKeyRange::fromScriptValue(scriptState->getExecutionContext(), range, exceptionState);
if (exceptionState.hadException())
return nullptr;
if (!backendDB()) {
exceptionState.throwDOMException(InvalidStateError, IDBDatabase::databaseClosedErrorMessage);
return nullptr;
}
IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get());
request->setCursorDetails(IndexedDB::CursorKeyOnly, direction);
backendDB()->openCursor(m_transaction->id(), m_objectStore->id(), m_metadata.id, keyRange, direction, true, WebIDBTaskTypeNormal, WebIDBCallbacksImpl::create(request).release());
return request;
}
IDBRequest* IDBObjectStore::openCursor(ScriptState* scriptState, IDBKeyRange* range, WebIDBCursorDirection direction, WebIDBTaskType taskType)
{
IDBRequest* request = IDBRequest::create(scriptState, IDBAny::create(this), m_transaction.get());
request->setCursorDetails(IndexedDB::CursorKeyAndValue, direction);
backendDB()->openCursor(m_transaction->id(), id(), IDBIndexMetadata::InvalidId, range, direction, false, taskType, WebIDBCallbacksImpl::create(request).leakPtr());
return request;
}
