QDBusInterfacePrivate Class Reference

#include <qdbusinterface_p.h>

Inheritance diagram for QDBusInterfacePrivate:

Public Functions
int	metacall (QMetaObject::Call c, int id, void **argv)
	QDBusInterfacePrivate (const QString &serv, const QString &p, const QString &iface, const QDBusConnection &con)
	~QDBusInterfacePrivate ()
Public Functions inherited from QDBusAbstractInterfacePrivate
void	_q_serviceOwnerChanged (const QString &name, const QString &oldOwner, const QString &newOwner)
bool	canMakeCalls () const
QDBusConnectionPrivate *	connectionPrivate () const
void	property (const QMetaProperty &mp, QVariant &where) const
	QDBusAbstractInterfacePrivate (const QString &serv, const QString &p, const QString &iface, const QDBusConnection &con, bool dynamic)
bool	setProperty (const QMetaProperty &mp, const QVariant &value)
virtual	~QDBusAbstractInterfacePrivate ()
Public Functions inherited from QObjectPrivate
void	_q_reregisterTimers (void *pointer)
void	addConnection (int signal, Connection *c)
void	cleanConnectionLists ()
void	connectNotify (const char *signal)
void	deleteChildren ()
void	disconnectNotify (const char *signal)
bool	isSender (const QObject *receiver, const char *signal) const
bool	isSignalConnected (uint signalIdx) const
	Returns true if the signal with index signal_index from object sender is connected. More...
void	moveToThread_helper ()
	QObjectPrivate (int version=QObjectPrivateVersion)
QObjectList	receiverList (const char *signal) const
QObjectList	senderList () const
void	setParent_helper (QObject *)
void	setThreadData_helper (QThreadData *currentData, QThreadData *targetData)
int	signalIndex (const char *signalName) const
	Returns the signal index used in the internal connectionLists vector. More...
virtual	~QObjectPrivate ()
Public Functions inherited from QObjectData
virtual	~QObjectData ()=0

Public Variables
QDBusMetaObject *	metaObject
Public Variables inherited from QDBusAbstractInterfacePrivate
QDBusConnection	connection
QString	currentOwner
QString	interface
bool	isValid
QDBusError	lastError
QString	path
QString	service
int	timeout
Public Variables inherited from QObjectPrivate
union {
QObject *   currentChildBeingDeleted
QAbstractDeclarativeData *   declarativeData
};
quint32	connectedSignals [2]
QObjectConnectionListVector *	connectionLists
Sender *	currentSender
QList< QPointer< QObject > >	eventFilters
ExtraData *	extraData
QString	objectName
Connection *	senders
QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount
QThreadData *	threadData
void *	unused
Public Variables inherited from QObjectData
uint	blockSig: 1
QObjectList	children
uint	hasGuards: 1
uint	inEventHandler: 1
uint	inThreadChangeEvent: 1
uint	isWidget: 1
QMetaObject *	metaObject
uint	ownObjectName: 1
QObject *	parent
uint	pendTimer: 1
int	postedEvents
QObject *	q_ptr
uint	receiveChildEvents: 1
uint	sendChildEvents: 1
uint	unused: 22
uint	wasDeleted: 1

Additional Inherited Members
Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)
static QObjectPrivate *	get (QObject *o)
static void	resetCurrentSender (QObject *receiver, Sender *currentSender, Sender *previousSender)
static Sender *	setCurrentSender (QObject *receiver, Sender *sender)
static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)

Detailed Description

Definition at line 65 of file qdbusinterface_p.h.

Constructors and Destructors

QDBusInterfacePrivate()

QDBusInterfacePrivate::QDBusInterfacePrivate	(	const QString &	serv,
		const QString &	p,
		const QString &	iface,
		const QDBusConnection &	con
	)

Definition at line 152 of file qdbusinterface.cpp.

    : QDBusAbstractInterfacePrivate(serv, p, iface, con, true), metaObject(0)
{
    // QDBusAbstractInterfacePrivate's constructor checked the parameters for us
    if (connection.isConnected()) {
        metaObject = connectionPrivate()->findMetaObject(service, path, interface, lastError);

        if (!metaObject) {
            // creation failed, somehow
            // most common causes are that the service doesn't exist or doesn't support introspection
            // those are not fatal errors, so we continue working

            if (!lastError.isValid())
                lastError = QDBusError(QDBusError::InternalError, QLatin1String("Unknown error"));
        }
    }
}

~QDBusInterfacePrivate()

QDBusInterfacePrivate::~QDBusInterfacePrivate

(

)

Definition at line 171 of file qdbusinterface.cpp.

{
    if (metaObject && !metaObject->cached)
        delete metaObject;
}

Functions

metacall()

int QDBusInterfacePrivate::metacall	(	QMetaObject::Call	c,
		int	id,
		void **	argv
	)

Definition at line 280 of file qdbusinterface.cpp.

{
    Q_Q(QDBusInterface);

    if (c == QMetaObject::InvokeMetaMethod) {
        int offset = metaObject->methodOffset();
        QMetaMethod mm = metaObject->method(id + offset);

        if (mm.methodType() == QMetaMethod::Signal) {
            // signal relay from D-Bus world to Qt world
            QMetaObject::activate(q, metaObject, id, argv);

        } else if (mm.methodType() == QMetaMethod::Slot || mm.methodType() == QMetaMethod::Method) {
            // method call relay from Qt world to D-Bus world
            // get D-Bus equivalent signature
            QString methodName = QLatin1String(metaObject->dbusNameForMethod(id));
            const int *inputTypes = metaObject->inputTypesForMethod(id);
            int inputTypesCount = *inputTypes;

            // we will assume that the input arguments were passed correctly
            QVariantList args;
            int i = 1;
            for ( ; i <= inputTypesCount; ++i)
                args << QVariant(inputTypes[i], argv[i]);

            // make the call
            QDBusMessage reply = q->callWithArgumentList(QDBus::Block, methodName, args);

            if (reply.type() == QDBusMessage::ReplyMessage) {
                // attempt to demarshall the return values
                args = reply.arguments();
                QVariantList::ConstIterator it = args.constBegin();
                const int *outputTypes = metaObject->outputTypesForMethod(id);
                int outputTypesCount = *outputTypes++;

                if (*mm.typeName()) {
                    // this method has a return type
                    if (argv[0] && it != args.constEnd())
                        copyArgument(argv[0], *outputTypes++, *it);

                    // skip this argument even if we didn't copy it
                    --outputTypesCount;
                    ++it;
                }

                for (int j = 0; j < outputTypesCount && it != args.constEnd(); ++i, ++j, ++it) {
                    copyArgument(argv[i], outputTypes[j], *it);
                }
            }

            // done
            lastError = reply;
            return -1;
        }
    }
    return id;
}

Properties

metaObject

QDBusMetaObject* QDBusInterfacePrivate::metaObject

Definition at line 70 of file qdbusinterface_p.h.

Referenced by QDBusInterfacePrivate(), and ~QDBusInterfacePrivate().

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The documentation for this class was generated from the following files:

• /src/dbus/qdbusinterface_p.h
• /src/dbus/qdbusinterface.cpp