ExceptionOr<Ref<Database>> DatabaseManager::tryToOpenDatabaseBackend(DatabaseContext& backendContext, const String& name, const String& expectedVersion, const String& displayName, unsigned estimatedSize, bool setVersionInNewDatabase,
OpenAttempt attempt)
{
ExceptionOr<void> preflightResult;
switch (attempt) {
case FirstTryToOpenDatabase:
preflightResult = DatabaseTracker::singleton().canEstablishDatabase(backendContext, name, estimatedSize);
break;
case RetryOpenDatabase:
preflightResult = DatabaseTracker::singleton().retryCanEstablishDatabase(backendContext, name, estimatedSize);
break;
}
if (preflightResult.hasException())
return preflightResult.releaseException();
auto database = adoptRef(*new Database(backendContext, name, expectedVersion, displayName, estimatedSize));
auto openResult = database->openAndVerifyVersion(setVersionInNewDatabase);
if (openResult.hasException())
return openResult.releaseException();
// FIXME: What guarantees backendContext.securityOrigin() is non-null?
DatabaseTracker::singleton().setDatabaseDetails(backendContext.securityOrigin(), name, displayName, estimatedSize);
return WTFMove(database);
}
ExceptionOr<Ref<HTMLTableCellElement>> HTMLTableRowElement::insertCell(int index)
{
if (index < -1)
return Exception { INDEX_SIZE_ERR };
auto children = cells();
int numCells = children->length();
if (index > numCells)
return Exception { INDEX_SIZE_ERR };
auto cell = HTMLTableCellElement::create(tdTag, document());
ExceptionOr<void> result;
if (index < 0 || index >= numCells)
result = appendChild(cell);
else
result = insertBefore(cell, index < 1 ? firstChild() : children->item(index));
if (result.hasException())
return result.releaseException();
return WTFMove(cell);
}
