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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtDBus module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the public API. This header file may
// change from version to version without notice, or even be
// removed.
//
// We mean it.
//
//
#ifndef QDBUSPENDINGCALL_P_H
#define QDBUSPENDINGCALL_P_H
#include <qshareddata.h>
#include <qpointer.h>
#include <qlist.h>
#include <qmutex.h>
#include <qwaitcondition.h>
#include "qdbusmessage.h"
#include "qdbus_symbols_p.h"
#ifndef QT_NO_DBUS
QT_BEGIN_NAMESPACE
class QDBusPendingCall;
class QDBusPendingCallWatcher;
class QDBusPendingCallWatcherHelper;
class QDBusConnectionPrivate;
class QDBusPendingCallPrivate: public QSharedData
{
public:
// {
// set only during construction:
const QDBusMessage sentMessage;
QDBusConnectionPrivate * const connection;
// for the callback mechanism (see setReplyCallback and QDBusConnectionPrivate::sendWithReplyAsync)
QPointer<QObject> receiver;
QList<int> metaTypes;
int methodIdx;
bool autoDelete;
// }
mutable QMutex mutex;
QWaitCondition waitForFinishedCondition;
// {
// protected by the mutex above:
QDBusPendingCallWatcherHelper *watcherHelper;
QDBusMessage replyMessage;
DBusPendingCall *pending;
volatile bool waitingForFinished;
QString expectedReplySignature;
int expectedReplyCount;
// }
QDBusPendingCallPrivate(const QDBusMessage &sent, QDBusConnectionPrivate *connection)
: sentMessage(sent), connection(connection), autoDelete(false), watcherHelper(0), pending(0), waitingForFinished(false)
{ }
~QDBusPendingCallPrivate();
bool setReplyCallback(QObject *target, const char *member);
void waitForFinished();
void setMetaTypes(int count, const int *types);
void checkReceivedSignature();
static QDBusPendingCall fromMessage(const QDBusMessage &msg);
};
class QDBusPendingCallWatcherHelper: public QObject
{
Q_OBJECT
public:
void add(QDBusPendingCallWatcher *watcher);
void emitSignals(const QDBusMessage &replyMessage, const QDBusMessage &sentMessage)
{
if (replyMessage.type() == QDBusMessage::ReplyMessage)
emit reply(replyMessage);
else
emit error(replyMessage, sentMessage);
emit finished();
}
Q_SIGNALS:
void finished();
void reply(const QDBusMessage &msg);
void error(const QDBusError &error, const QDBusMessage &msg);
};
QT_END_NAMESPACE
#endif // QT_NO_DBUS
#endif
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