C++ QDBusError::name方法代码示例

void CReporterNotificationPrivate::retrieveNotificationId()
{
    if (callWatcher == 0)
        return;

    callWatcher->waitForFinished();

    QDBusPendingReply<quint32> reply = *callWatcher;
    callWatcher->deleteLater();
    callWatcher = 0;

    if (reply.isValid()) {
        id = reply.argumentAt<0>();
        if (id == 0) {
            // Notification didn't exist, create a new one.
            sendDBusNotify();
            retrieveNotificationId();
            return;
        }
        qDebug() << __PRETTY_FUNCTION__
                 << "Create notification with id: " << id;
    } else if (reply.isError()) {
        QDBusError error = reply.error();
        qDebug() << __PRETTY_FUNCTION__ << "Failed to create notification: "
                 << error.name() << " - " << error.message();
    }
}

bool DBusLauncherImpl::launch(const QString& fileName, const QString& mimeType,
                                 QWidget* window)
{
    QFileInfo fileInfo(fileName);
    if (!fileInfo.exists() || !fileInfo.isReadable()) return false;

    if (mimeType.isEmpty()) return launch(fileName, window);

    QDBusError error;
    QValueList<QVariant> params;
    params.append(fileInfo.absFilePath());
    params.append(mimeType);

    QDBusMessage reply = m_proxy->sendWithReply("LaunchFile", params, &error);

    if (error.isValid())
    {
        qWarning("Error while launching through D-Bus:\nerror '%s'\nmessage '%s'",
                    error.name().local8Bit().data(), error.message().local8Bit().data());
        return false;
    }

    if (reply.count() != 1 || reply[0].type() != QVariant::Bool)
    {
        qWarning("Unexpected launcher reply");
        return false;
    }

    return reply[0].toBool();
}

bool KHotKeys::init()
{
    khotkeys_inited = true;

    // Check if khotkeys is running
    QDBusConnection bus = QDBusConnection::sessionBus();
    khotkeysInterface = new OrgKdeKhotkeysInterface(
        "org.kde.kded",
        "/modules/khotkeys",
        bus,
        NULL);

    QDBusError err;
    if(!khotkeysInterface->isValid())
        {
        err = khotkeysInterface->lastError();
        if (err.isValid())
            {
            kError() << err.name() << ":" << err.message();
            }
        KMessageBox::error(
            NULL,
            "<qt>" + i18n("Unable to contact khotkeys. Your changes are saved, but they could not be activated.") + "</qt>" );
        }

    khotkeys_present = khotkeysInterface->isValid();
    return true;
}

void QSpiApplicationAdaptor::notifyKeyboardListenerError(const QDBusError& error, const QDBusMessage& /*message*/)
{
    qWarning() << QStringLiteral("QSpiApplication::keyEventError ") << error.name() << error.message();
    while (!keyEvents.isEmpty()) {
        QPair<QObject*, QKeyEvent*> event = keyEvents.dequeue();
        QCoreApplication::postEvent(event.first, event.second);
    }
}

void QSpiApplicationAdaptor::notifyKeyboardListenerError(const QDBusError& error, const QDBusMessage& /*message*/)
{
    qWarning() << "QSpiApplication::keyEventError " << error.name() << error.message();
    while (!keyEvents.isEmpty()) {
        QPair<QPointer<QObject>, QKeyEvent*> event = keyEvents.dequeue();
        if (event.first)
            QCoreApplication::postEvent(event.first.data(), event.second);
    }
}

QScriptValue qDBusErrorToScriptValue(QScriptEngine *engine, const QDBusError &error)
{
    QScriptValue v = engine->newObject();
    v.setProperty(QLatin1String("type"), QScriptValue(engine, error.type()), QScriptValue::ReadOnly);
    v.setProperty(QLatin1String("name"), QScriptValue(engine, error.name()), QScriptValue::ReadOnly);
    v.setProperty(QLatin1String("message"), QScriptValue(engine, error.message()), QScriptValue::ReadOnly);
    v.setProperty(QLatin1String("isValid"), QScriptValue(engine, error.isValid()), QScriptValue::ReadOnly);
    return v;
}

void QBluetoothPasskeyAgent_Private::handleError(const QDBusError &error)
{
    m_error = QBluetoothPasskeyAgent::UnknownError;

    int i = 0;
    while (bluez_errors[i].name) {
        if (error.name() == bluez_errors[i].name) {
            m_error = bluez_errors[i].error;
            break;
        }
        i++;
    }
}

void KCMHotkeysPrivate::save()
    {
    if (current)
        applyCurrentItem();

    // Write the settings
    model->save();

    if (!KHotKeys::Daemon::isRunning())
        {
        if (!KHotKeys::Daemon::start())
            {
            // On startup the demon does the updating stuff, therefore reload
            // the actions.
            model->load();
            }
        else
            {
            KMessageBox::error(
                q,
                "<qt>" + i18n("Unable to contact khotkeys. Your changes are saved, but they could not be activated.") + "</qt>" );
            }

        return;
        }

    // Inform kdedkhotkeys demon to reload settings
    QDBusConnection bus = QDBusConnection::sessionBus();
    QPointer<OrgKdeKhotkeysInterface> iface = new OrgKdeKhotkeysInterface(
        "org.kde.kded",
        "/modules/khotkeys",
        bus,
        q);

    QDBusError err;
    if(!iface->isValid())
        {
        err = iface->lastError();
        if (err.isValid())
            {
            kError() << err.name() << ":" << err.message();
            }
        KMessageBox::error(
            q,
            "<qt>" + i18n("Unable to contact khotkeys. Your changes are saved, but they could not be activated.") + "</qt>" );
        return;
        }

    // Reread the configuration. We have no possibility to check if it worked.
    iface->reread_configuration();
    }

ConnectionManager::SocketConnectionStatus
ConnectionManager::setupSocketConnection()
{
    QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();
    QLatin1String one("1");
    if (environment.value(QLatin1String("SSO_USE_PEER_BUS"), one) != one) {
        return SocketConnectionUnavailable;
    }

#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
    QString runtimeDir =
        QStandardPaths::writableLocation(QStandardPaths::RuntimeLocation);
#else
    QString runtimeDir = environment.value(QLatin1String("XDG_RUNTIME_DIR"));
#endif
    if (runtimeDir.isEmpty()) return SocketConnectionUnavailable;

    QString socketFileName =
        QString::fromLatin1("unix:path=%1/" SIGNOND_SOCKET_FILENAME).arg(runtimeDir);
    static int count = 0;

    QDBusConnection connection =
        QDBusConnection::connectToPeer(socketFileName,
                                       QString(QLatin1String("libsignon-qt%1")).arg(count++));
    if (!connection.isConnected()) {
        QDBusError error = connection.lastError();
        QString name = error.name();
        BLAME() << "p2p error:" << error << error.type();
        if (name == QLatin1String("org.freedesktop.DBus.Error.FileNotFound") &&
            m_serviceStatus != ServiceActivated) {
            return SocketConnectionNoService;
        } else {
            return SocketConnectionUnavailable;
        }
    }

    m_connection = connection;
    m_connection.connect(QString(),
                         QLatin1String("/org/freedesktop/DBus/Local"),
                         QLatin1String("org.freedesktop.DBus.Local"),
                         QLatin1String("Disconnected"),
                         this, SLOT(onDisconnected()));

    return SocketConnectionOk;
}

void getProperty(const QString &service, const QString &path, const QString &interfaceAndName)
{
    QString property;
    QString interface;
    if (!splitInterfaceAndName(interfaceAndName, "Property", interface, property))
        exit(1);
    
    QDBusInterfacePtr iface(*connection, service, path, interface);
    QVariant reply = iface->property(property.toLatin1());
    if (reply.isNull()) {
        QDBusError error = iface->lastError();
        fprintf(stderr, "Could not get property '%s' on interface '%s': %s (%s)\n",
                qPrintable(property), qPrintable(interface), qPrintable(error.name()),
                qPrintable(error.message()));
        exit(1);
    }

    printf("%s\n", qPrintable(reply.toString()));
}

bool Notifications::notifyDBus(const QString &text) {
	Q_ASSERT(m_interface);

	if (!m_interface->isValid()) return false;

	QString member = "Notify";
	QVariantList params;
	params << qApp->applicationName() << static_cast<unsigned int>(0);
	params << "/home/h/Projects/qmpdclient/qmpdclient/icons/qmpdclient22.png";
	params << qApp->applicationName() << text;
	params << QStringList() << QMap<QString, QVariant>() << Config::instance()->notificationsTimeout()*1000;
	QDBusMessage reply = m_interface->callWithArgumentList(QDBus::Block, member, params);

	if (reply.type() == QDBusMessage::ErrorMessage) {
		QDBusError err = reply;
		qWarning("Error: %s\n%s", qPrintable(err.name()), qPrintable(err.message()));
		return false;
	} else if (reply.type() != QDBusMessage::ReplyMessage) {
		qWarning("Invalid reply type %d", int(reply.type()));
		return false;
	}

	return true;
}

/*!
 * This slot is called when an error is occured during the dbus communication.
 * The error message is printed as a warning message.
 */
void
gprsBusinessLogic::DBusMessagingFailure (
        QDBusError error)
{
    SYS_WARNING ("%s: %s", SYS_STR (error.name()), SYS_STR (error.message()));
}

QDebug operator<<(QDebug dbg, const QDBusError &msg)
{
    dbg.nospace() << "QDBusError(" << msg.name() << ", " << msg.message() << ')';
    return dbg.space();
}

QDebug operator<<(QDebug dbg, const QDBusError &msg)
{
    QDebugStateSaver saver(dbg);
    dbg.nospace() << "QDBusError(" << msg.name() << ", " << msg.message() << ')';
    return dbg;
}

void placeCall(const QString &service, const QString &path, const QString &interface,
               const QString &member, int argc, const char *const *argv)
{
    QDBusInterfacePtr iface(*connection, service, path, interface);
    if (!iface->isValid()) {
        QDBusError err(iface->lastError());
        fprintf(stderr, "Interface '%s' not available in object %s at %s:\n%s (%s)\n",
                qPrintable(interface), qPrintable(path), qPrintable(service),
                qPrintable(err.name()), qPrintable(err.message()));
        exit(1);
    }

    const QMetaObject *mo = iface->metaObject();
    QByteArray match = member.toLatin1();
    match += '(';

    int midx = -1;
    for (int i = mo->methodOffset(); i < mo->methodCount(); ++i) {
        QMetaMethod mm = mo->method(i);
        QByteArray signature = mm.signature();
        if (signature.startsWith(match)) {
            midx = i;
            break;
        }
    }

    if (midx == -1) {
        fprintf(stderr, "Cannot find '%s.%s' in object %s at %s\n",
                qPrintable(interface), qPrintable(member), qPrintable(path),
                qPrintable(service));
        exit(1);
    }

    QMetaMethod mm = mo->method(midx);
    QList<QByteArray> types = mm.parameterTypes();

    QVariantList params;
    for (int i = 0; argc && i < types.count(); ++i) {
        int id = QVariant::nameToType(types.at(i));
        if ((id == QVariant::UserType || id == QVariant::Map) && types.at(i) != "QVariant") {
            fprintf(stderr, "Sorry, can't pass arg of type %s yet\n",
                    types.at(i).constData());
            exit(1);
        }
        if (id == QVariant::UserType)
            id = QMetaType::type(types.at(i));

        Q_ASSERT(id);

        QVariant p;
        if ((id == QVariant::List || id == QVariant::StringList) && QLatin1String("(") == argv[0])
            p = readList(argc, argv);
        else
            p = QString::fromLocal8Bit(argv[0]);

        if (id < int(QVariant::UserType)) {
            // avoid calling it for QVariant
            p.convert( QVariant::Type(id) );
            if (p.type() == QVariant::Invalid) {
                fprintf(stderr, "Could not convert '%s' to type '%s'.\n",
                        argv[0], types.at(i).constData());
                exit(1);
            }
        } else if (types.at(i) == "QVariant") {
            QVariant tmp(id, p.constData());
            p = tmp;
        }
        params += p;
        --argc;
        ++argv;
    }
    if (params.count() != types.count()) {
        fprintf(stderr, "Invalid number of parameters\n");
        exit(1);
    }

    QDBusMessage reply = iface->callWithArgs(member, params, QDBusInterface::NoUseEventLoop);
    if (reply.type() == QDBusMessage::ErrorMessage) {
        QDBusError err = reply;
        printf("Error: %s\n%s\n", qPrintable(err.name()), qPrintable(err.message()));
        exit(2);
    } else if (reply.type() != QDBusMessage::ReplyMessage) {
        fprintf(stderr, "Invalid reply type %d\n", int(reply.type()));
        exit(1);
    }
    
    foreach (QVariant v, reply) {
        if (v.userType() == QVariant::StringList) {
            foreach (QString s, v.toStringList())
                printf("%s\n", qPrintable(s));
        } else {
            if (v.userType() == qMetaTypeId<QVariant>())
                v = qvariant_cast<QVariant>(v);
            printf("%s\n", qPrintable(v.toString()));
        }
    }

    exit(0);
}