1 /***************************************************************************
2 * Copyright (C) 2005-09 by the Quassel Project *
3 * devel@quassel-irc.org *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) version 3. *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
21 #ifndef SYNCABLEOBJECT_H
22 #define SYNCABLEOBJECT_H
24 #include <QDataStream>
27 #include <QVariantMap>
29 #include "signalproxy.h"
31 class SyncableObject : public QObject {
35 SyncableObject(QObject *parent = 0);
36 SyncableObject(const QString &objectName, QObject *parent = 0);
37 SyncableObject(const SyncableObject &other, QObject *parent = 0);
39 void synchronize(SignalProxy *proxy);
41 //! Stores the object's state into a QVariantMap.
42 /** The default implementation takes dynamic properties as well as getters that have
43 * names starting with "init" and stores them in a QVariantMap. Override this method in
44 * derived classes in order to store the object state in a custom form.
45 * \note This is used by SignalProxy to transmit the state of the object to clients
46 * that request the initial object state. Later updates use a different mechanism
47 * and assume that the state is completely covered by properties and init* getters.
48 * DO NOT OVERRIDE THIS unless you know exactly what you do!
50 * \return The object's state in a QVariantMap
52 virtual QVariantMap toVariantMap();
54 //! Initialize the object's state from a given QVariantMap.
55 /** \see toVariantMap() for important information concerning this method.
57 virtual void fromVariantMap(const QVariantMap &properties);
59 virtual bool isInitialized() const;
61 virtual const QMetaObject *syncMetaObject() const { return metaObject(); };
63 inline void setAllowClientUpdates(bool allow) { _allowClientUpdates = allow; }
64 inline bool allowClientUpdates() const { return _allowClientUpdates; }
67 virtual void setInitialized();
68 void requestUpdate(const QVariantMap &properties);
69 virtual void update(const QVariantMap &properties);
72 void sync_call__(SignalProxy::ProxyMode modeType, const char *funcname, ...);
74 void renameObject(const QString &newName);
75 SyncableObject &operator=(const SyncableObject &other);
79 void updatedRemotely();
80 void updated(const QVariantMap &properties);
81 void updateRequested(const QVariantMap &properties);
82 void objectRenamed(QString newName, QString oldName);
85 bool setInitValue(const QString &property, const QVariant &value);
88 bool _allowClientUpdates;
90 QList<SignalProxy *> _signalProxies;
93 #define so_sync(...) sync_call__(SignalProxy::Server, __func__, __VA_ARGS__);
94 #define so_request(...) sync_call__(SignalProxy::Client, __func__, __VA_ARGS__);
95 #define so_arg_cast(x) const_cast<void *>(reinterpret_cast<const void*>(&x))