Say hello to QtRemoteObjects

This is a module that allows you to create copies/replicas of your
QObjects in other processes, without having to write a bunch of IPC code.

Change-Id: I4a62f120eca34c9f50089b7d9d09dcfcad14476c
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@theqtcompany.com>
Reviewed-by: Björn Breitmeyer <bjoern.breitmeyer@kdab.com>
Reviewed-by: Brett Stottlemyer <bstottle@ford.com>

1 files changed, 135 insertions, 0 deletions

diff --git a/src/remoteobjects/qremoteobjectreplica_p.h b/src/remoteobjects/qremoteobjectreplica_p.h
new file mode 100644
index 0000000..f2451e3
--- /dev/null
+++ b/src/remoteobjects/qremoteobjectreplica_p.h
@@ -0,0 +1,135 @@
+/****************************************************************************
+**
+** Copyright (C) 2014 Ford Motor Company
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the QtRemoteObjects 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 Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/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 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QREMOTEOBJECTREPLICA_P_H
+#define QREMOTEOBJECTREPLICA_P_H
+
+#include "qremoteobjectreplica.h"
+#include <QPointer>
+#include <QVector>
+#include <qcompilerdetection.h>
+#include "qtremoteobjectglobal.h"
+
+QT_BEGIN_NAMESPACE
+
+class QRemoteObjectReplica;
+class QRemoteObjectSourcePrivate;
+class ClientIoDevice;
+
+using namespace QRemoteObjectPackets;
+
+class QRemoteObjectReplicaPrivate : public QObject
+{
+public:
+    explicit QRemoteObjectReplicaPrivate(const QString &name, const QMetaObject *);
+    virtual ~QRemoteObjectReplicaPrivate();
+
+    bool isDynamicReplica() const;
+
+    virtual const QVariant getProperty(int i) const = 0;
+    virtual void setProperties(const QVariantList &) = 0;
+    virtual void setProperty(int i, const QVariant &) = 0;
+    virtual bool isShortCircuit() const = 0;
+    virtual bool isInitialized() const { return true; }
+    virtual bool isReplicaValid() const { return true; }
+    virtual bool waitForSource(int) { return true; }
+    virtual void configurePrivate(QRemoteObjectReplica *);
+    void emitValidChanged();
+    void emitInitialized();
+
+    virtual void _q_send(QMetaObject::Call call, int index, const QVariantList &args) = 0;
+
+    //Dynamic replica functions
+    virtual void initializeMetaObject(const QInitDynamicPacket *packet);
+
+    QString m_objectName;
+    const QMetaObject *m_metaObject;
+
+    //Dynamic Replica data
+    QVector<QVector<int> > m_methodArgumentTypes;
+    QVector<int> m_remoteObjectMethodTypes;
+    int m_methodOffset, m_propertyOffset;
+};
+
+class QConnectedReplicaPrivate : public QRemoteObjectReplicaPrivate
+{
+public:
+    explicit QConnectedReplicaPrivate(const QString &name, const QMetaObject *);
+    virtual ~QConnectedReplicaPrivate();
+    const QVariant getProperty(int i) const Q_DECL_OVERRIDE;
+    void setProperties(const QVariantList &) Q_DECL_OVERRIDE;
+    void setProperty(int i, const QVariant &) Q_DECL_OVERRIDE;
+    bool isShortCircuit() const Q_DECL_OVERRIDE { return false; }
+    bool isInitialized() const Q_DECL_OVERRIDE;
+    bool isReplicaValid() const Q_DECL_OVERRIDE;
+    bool waitForSource(int timeout) Q_DECL_OVERRIDE;
+    void initialize(const QByteArray &);
+    void configurePrivate(QRemoteObjectReplica *) Q_DECL_OVERRIDE;
+    void requestRemoteObjectSource();
+    void sendCommand(const QRemoteObjectPackets::QRemoteObjectPacket *packet);
+    void setConnection(ClientIoDevice *conn);
+    void setDisconnected();
+    void _q_send(QMetaObject::Call call, int index, const QVariantList &args) Q_DECL_OVERRIDE;
+    void initializeMetaObject(const QInitDynamicPacket *packet) Q_DECL_OVERRIDE;
+    QAtomicInt isSet;
+    QVector<QRemoteObjectReplica *> m_parentsNeedingConnect;
+    QVariantList m_propertyStorage;
+    QPointer<ClientIoDevice> connectionToSource;
+};
+
+class QInProcessReplicaPrivate : public QRemoteObjectReplicaPrivate
+{
+public:
+    explicit QInProcessReplicaPrivate(const QString &name, const QMetaObject *);
+    virtual ~QInProcessReplicaPrivate();
+
+    const QVariant getProperty(int i) const Q_DECL_OVERRIDE;
+    void setProperties(const QVariantList &) Q_DECL_OVERRIDE;
+    void setProperty(int i, const QVariant &) Q_DECL_OVERRIDE;
+    bool isShortCircuit() const Q_DECL_OVERRIDE { return true; }
+
+    virtual void _q_send(QMetaObject::Call call, int index, const QVariantList &args);
+    QPointer<QRemoteObjectSourcePrivate> connectionToSource;
+};
+
+QT_END_NAMESPACE
+
+#endif