diff options
Diffstat (limited to 'src/webchannel/qmetaobjectpublisher.cpp')
-rw-r--r-- | src/webchannel/qmetaobjectpublisher.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/src/webchannel/qmetaobjectpublisher.cpp b/src/webchannel/qmetaobjectpublisher.cpp index cfc6ad2..8e83237 100644 --- a/src/webchannel/qmetaobjectpublisher.cpp +++ b/src/webchannel/qmetaobjectpublisher.cpp @@ -664,9 +664,15 @@ void QMetaObjectPublisher::handleMessage(const QJsonObject &message, QWebChannel return; } - transport->sendMessage(createResponse(message.value(KEY_ID), - wrapResult(invokeMethod(object, message.value(KEY_METHOD).toInt(-1), - message.value(KEY_ARGS).toArray()), transport))); + QPointer<QMetaObjectPublisher> publisherExists(this); + QPointer<QWebChannelAbstractTransport> transportExists(transport); + QVariant result = + invokeMethod(object, + message.value(KEY_METHOD).toInt(-1), + message.value(KEY_ARGS).toArray()); + if (!publisherExists || !transportExists) + return; + transport->sendMessage(createResponse(message.value(KEY_ID), wrapResult(result, transport))); } else if (type == TypeConnectToSignal) { signalHandler.connectTo(object, message.value(KEY_SIGNAL).toInt(-1)); } else if (type == TypeDisconnectFromSignal) { |