1 /****************************************************************************
3 ** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
4 ** Contact: http://www.qt-project.org/
6 ** This file is part of the QtDBus module of the Qt Toolkit.
8 ** $QT_BEGIN_LICENSE:LGPL$
9 ** GNU Lesser General Public License Usage
10 ** This file may be used under the terms of the GNU Lesser General Public
11 ** License version 2.1 as published by the Free Software Foundation and
12 ** appearing in the file LICENSE.LGPL included in the packaging of this
13 ** file. Please review the following information to ensure the GNU Lesser
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19 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
21 ** GNU General Public License Usage
22 ** Alternatively, this file may be used under the terms of the GNU General
23 ** Public License version 3.0 as published by the Free Software Foundation
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25 ** file. Please review the following information to ensure the GNU General
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40 ****************************************************************************/
46 // This file is not part of the public API. This header file may
47 // change from version to version without notice, or even be
54 #ifndef QDBUSPENDINGCALL_P_H
55 #define QDBUSPENDINGCALL_P_H
57 #include <qshareddata.h>
61 #include <qwaitcondition.h>
63 #include "qdbusmessage.h"
64 #include "qdbus_symbols_p.h"
70 class QDBusPendingCall;
71 class QDBusPendingCallWatcher;
72 class QDBusPendingCallWatcherHelper;
73 class QDBusConnectionPrivate;
75 class QDBusPendingCallPrivate: public QSharedData
79 // set only during construction:
80 const QDBusMessage sentMessage;
81 QDBusConnectionPrivate * const connection;
83 // for the callback mechanism (see setReplyCallback and QDBusConnectionPrivate::sendWithReplyAsync)
84 QPointer<QObject> receiver;
85 QVector<int> metaTypes;
92 QWaitCondition waitForFinishedCondition;
95 // protected by the mutex above:
96 QDBusPendingCallWatcherHelper *watcherHelper;
97 QDBusMessage replyMessage;
98 DBusPendingCall *pending;
99 volatile bool waitingForFinished;
101 QString expectedReplySignature;
102 int expectedReplyCount;
105 QDBusPendingCallPrivate(const QDBusMessage &sent, QDBusConnectionPrivate *connection)
106 : sentMessage(sent), connection(connection), autoDelete(false), watcherHelper(0), pending(0), waitingForFinished(false)
108 ~QDBusPendingCallPrivate();
109 bool setReplyCallback(QObject *target, const char *member);
110 void waitForFinished();
111 void setMetaTypes(int count, const int *types);
112 void checkReceivedSignature();
114 static QDBusPendingCall fromMessage(const QDBusMessage &msg);
117 class QDBusPendingCallWatcherHelper: public QObject
121 void add(QDBusPendingCallWatcher *watcher);
123 void emitSignals(const QDBusMessage &replyMessage, const QDBusMessage &sentMessage)
125 if (replyMessage.type() == QDBusMessage::ReplyMessage)
126 emit reply(replyMessage);
128 emit error(QDBusError(replyMessage), sentMessage);
134 void reply(const QDBusMessage &msg);
135 void error(const QDBusError &error, const QDBusMessage &msg);