| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtDBus module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** Commercial License Usage |
| ** Licensees holding valid commercial Qt licenses may use this file in |
| ** accordance with the commercial license agreement provided with the |
| ** Software or, alternatively, in accordance with the terms contained in |
| ** a written agreement between you and The Qt Company. For licensing terms |
| ** and conditions see https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://www.qt.io/contact-us. |
| ** |
| ** GNU Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QDBUSREPLY_H |
| #define QDBUSREPLY_H |
| |
| #include <QtDBus/qtdbusglobal.h> |
| #include <QtCore/qvariant.h> |
| |
| #include <QtDBus/qdbusmessage.h> |
| #include <QtDBus/qdbuserror.h> |
| #include <QtDBus/qdbusextratypes.h> |
| #include <QtDBus/qdbuspendingreply.h> |
| |
| #ifndef QT_NO_DBUS |
| |
| QT_BEGIN_NAMESPACE |
| |
| |
| 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(const QDBusReply &) = default; |
| inline QDBusReply& operator=(const QDBusMessage &reply) |
| { |
| QVariant data(qMetaTypeId<Type>(), nullptr); |
| 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 const QDBusError& error() const { 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 = nullptr; |
| 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 = QDBusError(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(const QDBusReply &) = default; |
| |
| 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; } |
| inline const QDBusError& error() const { return m_error; } |
| |
| private: |
| QDBusError m_error; |
| }; |
| # endif |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_DBUS |
| #endif |