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Diffstat (limited to 'src/dbus/qdbusreply.h')
| -rw-r--r-- | src/dbus/qdbusreply.h | 199 |
1 files changed, 199 insertions, 0 deletions
diff --git a/src/dbus/qdbusreply.h b/src/dbus/qdbusreply.h new file mode 100644 index 0000000000..1f535e3356 --- /dev/null +++ b/src/dbus/qdbusreply.h @@ -0,0 +1,199 @@ +/**************************************************************************** +** +** 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 |