src/dbus/qdbuspendingcall_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Fri, 19 Feb 2010 23:40:16 +0200
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtDBus module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the public API.  This header file may
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// change from version to version without notice, or even be
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// removed.
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//
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// We mean it.
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//
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//
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#ifndef QDBUSPENDINGCALL_P_H
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#define QDBUSPENDINGCALL_P_H
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#include <qshareddata.h>
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#include <qpointer.h>
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#include <qlist.h>
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#include "qdbusmessage.h"
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#include "qdbus_symbols_p.h"
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QT_BEGIN_NAMESPACE
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class QDBusPendingCall;
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class QDBusPendingCallWatcher;
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class QDBusPendingCallWatcherHelper;
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class QDBusConnectionPrivate;
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class QDBusPendingCallPrivate: public QSharedData
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{
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public:
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    QDBusMessage sentMessage;
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    QDBusMessage replyMessage;
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//    QDBusMessage pendingReplyMessage; // used in the local loop
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    QDBusPendingCallWatcherHelper *watcherHelper;
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    DBusPendingCall *pending;
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    QDBusConnectionPrivate *connection;
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    QString expectedReplySignature;
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    int expectedReplyCount;
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    // for the callback
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    QPointer<QObject> receiver;
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    QList<int> metaTypes;
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    int methodIdx;
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    bool autoDelete;
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    QDBusPendingCallPrivate() : watcherHelper(0), pending(0), autoDelete(false)
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    { }
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    ~QDBusPendingCallPrivate();
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    bool setReplyCallback(QObject *target, const char *member);
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    void waitForFinished();
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    void setMetaTypes(int count, const int *types);
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    void checkReceivedSignature();
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    static QDBusPendingCall fromMessage(const QDBusMessage &msg);
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};
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class QDBusPendingCallWatcherHelper: public QObject
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{
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    Q_OBJECT
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public:
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    void add(QDBusPendingCallWatcher *watcher);
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    void emitSignals(const QDBusMessage &replyMessage, const QDBusMessage &sentMessage)
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    {
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        if (replyMessage.type() == QDBusMessage::ReplyMessage)
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            emit reply(replyMessage);
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        else
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            emit error(replyMessage, sentMessage);
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        emit finished();
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    }
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Q_SIGNALS:
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    void finished();
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    void reply(const QDBusMessage &msg);
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    void error(const QDBusError &error, const QDBusMessage &msg);
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};
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QT_END_NAMESPACE
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#endif