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authorQt by Nokia <qt-info@nokia.com>2011-04-27 12:05:43 +0200
committeraxis <qt-info@nokia.com>2011-04-27 12:05:43 +0200
commit38be0d13830efd2d98281c645c3a60afe05ffece (patch)
tree6ea73f3ec77f7d153333779883e8120f82820abe /src/dbus/qdbusreply.h
Initial import from the monolithic Qt.
This is the beginning of revision history for this module. If you want to look at revision history older than this, please refer to the Qt Git wiki for how to use Git history grafting. At the time of writing, this wiki is located here: http://qt.gitorious.org/qt/pages/GitIntroductionWithQt If you have already performed the grafting and you don't see any history beyond this commit, try running "git log" with the "--follow" argument. Branched from the monolithic repo, Qt master branch, at commit 896db169ea224deb96c59ce8af800d019de63f12
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QDBUSREPLY_H
+#define QDBUSREPLY_H
+
+#include <QtCore/qglobal.h>
+#include <QtCore/qvariant.h>
+
+#include <QtDBus/qdbusmacros.h>
+#include <QtDBus/qdbusmessage.h>
+#include <QtDBus/qdbuserror.h>
+#include <QtDBus/qdbusextratypes.h>
+#include <QtDBus/qdbuspendingreply.h>
+
+#ifndef QT_NO_DBUS
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(DBus)
+
+Q_DBUS_EXPORT void qDBusReplyFill(const QDBusMessage &reply, QDBusError &error, QVariant &data);
+
+template<typename T>
+class QDBusReply
+{
+ typedef T Type;
+public:
+ inline QDBusReply(const QDBusMessage &reply)
+ {
+ *this = reply;
+ }
+ inline QDBusReply& operator=(const QDBusMessage &reply)
+ {
+ QVariant data(qMetaTypeId(&m_data), reinterpret_cast<void*>(0));
+ qDBusReplyFill(reply, m_error, data);
+ m_data = qvariant_cast<Type>(data);
+ return *this;
+ }
+
+ inline QDBusReply(const QDBusPendingCall &pcall)
+ {
+ *this = pcall;
+ }
+ inline QDBusReply &operator=(const QDBusPendingCall &pcall)
+ {
+ QDBusPendingCall other(pcall);
+ other.waitForFinished();
+ return *this = other.reply();
+ }
+ inline QDBusReply(const QDBusPendingReply<T> &reply)
+ {
+ *this = static_cast<QDBusPendingCall>(reply);
+ }
+
+ inline QDBusReply(const QDBusError &dbusError = QDBusError())
+ : m_error(dbusError), m_data(Type())
+ {
+ }
+ inline QDBusReply& operator=(const QDBusError& dbusError)
+ {
+ m_error = dbusError;
+ m_data = Type();
+ return *this;
+ }
+
+ inline QDBusReply& operator=(const QDBusReply& other)
+ {
+ m_error = other.m_error;
+ m_data = other.m_data;
+ return *this;
+ }
+
+ inline bool isValid() const { return !m_error.isValid(); }
+
+ inline const QDBusError& error() { return m_error; }
+
+ inline Type value() const
+ {
+ return m_data;
+ }
+
+ inline operator Type () const
+ {
+ return m_data;
+ }
+
+private:
+ QDBusError m_error;
+ Type m_data;
+};
+
+# ifndef Q_QDOC
+// specialize for QVariant:
+template<> inline QDBusReply<QVariant>&
+QDBusReply<QVariant>::operator=(const QDBusMessage &reply)
+{
+ void *null = 0;
+ QVariant data(qMetaTypeId<QDBusVariant>(), null);
+ qDBusReplyFill(reply, m_error, data);
+ m_data = qvariant_cast<QDBusVariant>(data).variant();
+ return *this;
+}
+
+// specialize for void:
+template<>
+class QDBusReply<void>
+{
+public:
+ inline QDBusReply(const QDBusMessage &reply)
+ : m_error(reply)
+ {
+ }
+ inline QDBusReply& operator=(const QDBusMessage &reply)
+ {
+ m_error = reply;
+ return *this;
+ }
+ inline QDBusReply(const QDBusError &dbusError = QDBusError())
+ : m_error(dbusError)
+ {
+ }
+ inline QDBusReply(const QDBusPendingCall &pcall)
+ {
+ *this = pcall;
+ }
+ inline QDBusReply &operator=(const QDBusPendingCall &pcall)
+ {
+ QDBusPendingCall other(pcall);
+ other.waitForFinished();
+ return *this = other.reply();
+ }
+ inline QDBusReply& operator=(const QDBusError& dbusError)
+ {
+ m_error = dbusError;
+ return *this;
+ }
+
+ inline QDBusReply& operator=(const QDBusReply& other)
+ {
+ m_error = other.m_error;
+ return *this;
+ }
+
+ inline bool isValid() const { return !m_error.isValid(); }
+
+ inline const QDBusError& error() { return m_error; }
+
+private:
+ QDBusError m_error;
+};
+# endif
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QT_NO_DBUS
+#endif