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3** Copyright (C) 2016 The Qt Company Ltd.
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5** Contact: https://www.qt.io/licensing/
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7** This file is part of the QtDBus module of the Qt Toolkit.
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23** ensure the GNU Lesser General Public License version 3 requirements
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39****************************************************************************/
40
41#ifndef QDBUSCONNECTION_H
42#define QDBUSCONNECTION_H
43
44#include <QtDBus/qtdbusglobal.h>
45#include <QtCore/qobjectdefs.h>
46#include <QtCore/qstring.h>
47
48#ifndef QT_NO_DBUS
49
50#ifdef interface
51# undef interface
52#endif
53
54QT_BEGIN_NAMESPACE
55
56
57namespace QDBus
58{
59 enum CallMode {
60 NoBlock,
61 Block,
62 BlockWithGui,
63 AutoDetect
64 };
65}
66
67class QDBusAbstractInterfacePrivate;
68class QDBusInterface;
69class QDBusError;
70class QDBusMessage;
71class QDBusPendingCall;
72class QDBusConnectionInterface;
73class QDBusVirtualObject;
74class QObject;
75
76class QDBusConnectionPrivate;
77class Q_DBUS_EXPORT QDBusConnection
78{
79 Q_GADGET
80public:
81 enum BusType { SessionBus, SystemBus, ActivationBus };
82 Q_ENUM(BusType)
83 enum RegisterOption {
84 ExportAdaptors = 0x01,
85
86 ExportScriptableSlots = 0x10,
87 ExportScriptableSignals = 0x20,
88 ExportScriptableProperties = 0x40,
89 ExportScriptableInvokables = 0x80,
90 ExportScriptableContents = 0xf0,
91
92 ExportNonScriptableSlots = 0x100,
93 ExportNonScriptableSignals = 0x200,
94 ExportNonScriptableProperties = 0x400,
95 ExportNonScriptableInvokables = 0x800,
96 ExportNonScriptableContents = 0xf00,
97
98 ExportAllSlots = ExportScriptableSlots|ExportNonScriptableSlots,
99 ExportAllSignals = ExportScriptableSignals|ExportNonScriptableSignals,
100 ExportAllProperties = ExportScriptableProperties|ExportNonScriptableProperties,
101 ExportAllInvokables = ExportScriptableInvokables|ExportNonScriptableInvokables,
102 ExportAllContents = ExportScriptableContents|ExportNonScriptableContents,
103
104#ifndef Q_QDOC
105 // Qt 4.2 had a misspelling here
106 ExportAllSignal = ExportAllSignals,
107#endif
108 ExportChildObjects = 0x1000
109 // Reserved = 0xff000000
110 };
111 Q_DECLARE_FLAGS(RegisterOptions, RegisterOption)
112 Q_FLAG(RegisterOptions)
113
114 enum UnregisterMode {
115 UnregisterNode,
116 UnregisterTree
117 };
118 Q_ENUM(UnregisterMode)
119
120 enum VirtualObjectRegisterOption {
121 SingleNode = 0x0,
122 SubPath = 0x1
123 // Reserved = 0xff000000
124 };
125 Q_DECLARE_FLAGS(VirtualObjectRegisterOptions, VirtualObjectRegisterOption)
126
127 enum ConnectionCapability {
128 UnixFileDescriptorPassing = 0x0001
129 };
130 Q_DECLARE_FLAGS(ConnectionCapabilities, ConnectionCapability)
131
132 explicit QDBusConnection(const QString &name);
133 QDBusConnection(const QDBusConnection &other);
134 QDBusConnection(QDBusConnection &&other) noexcept : d(other.d) { other.d = nullptr; }
135 QDBusConnection &operator=(QDBusConnection &&other) noexcept { swap(other); return *this; }
136 QDBusConnection &operator=(const QDBusConnection &other);
137 ~QDBusConnection();
138
139 void swap(QDBusConnection &other) noexcept { qSwap(value1&: d, value2&: other.d); }
140
141 bool isConnected() const;
142 QString baseService() const;
143 QDBusError lastError() const;
144 QString name() const;
145 ConnectionCapabilities connectionCapabilities() const;
146
147 bool send(const QDBusMessage &message) const;
148 bool callWithCallback(const QDBusMessage &message, QObject *receiver,
149 const char *returnMethod, const char *errorMethod,
150 int timeout = -1) const;
151 bool callWithCallback(const QDBusMessage &message, QObject *receiver,
152 const char *slot, int timeout = -1) const;
153 QDBusMessage call(const QDBusMessage &message, QDBus::CallMode mode = QDBus::Block,
154 int timeout = -1) const;
155 QDBusPendingCall asyncCall(const QDBusMessage &message, int timeout = -1) const;
156
157 bool connect(const QString &service, const QString &path, const QString &interface,
158 const QString &name, QObject *receiver, const char *slot);
159 bool connect(const QString &service, const QString &path, const QString &interface,
160 const QString &name, const QString& signature,
161 QObject *receiver, const char *slot);
162 bool connect(const QString &service, const QString &path, const QString &interface,
163 const QString &name, const QStringList &argumentMatch, const QString& signature,
164 QObject *receiver, const char *slot);
165
166 bool disconnect(const QString &service, const QString &path, const QString &interface,
167 const QString &name, QObject *receiver, const char *slot);
168 bool disconnect(const QString &service, const QString &path, const QString &interface,
169 const QString &name, const QString& signature,
170 QObject *receiver, const char *slot);
171 bool disconnect(const QString &service, const QString &path, const QString &interface,
172 const QString &name, const QStringList &argumentMatch, const QString& signature,
173 QObject *receiver, const char *slot);
174
175 bool registerObject(const QString &path, QObject *object,
176 RegisterOptions options = ExportAdaptors);
177 bool registerObject(const QString &path, const QString &interface, QObject *object,
178 RegisterOptions options = ExportAdaptors);
179 void unregisterObject(const QString &path, UnregisterMode mode = UnregisterNode);
180 QObject *objectRegisteredAt(const QString &path) const;
181
182 bool registerVirtualObject(const QString &path, QDBusVirtualObject *object,
183 VirtualObjectRegisterOption options = SingleNode);
184
185 bool registerService(const QString &serviceName);
186 bool unregisterService(const QString &serviceName);
187
188 QDBusConnectionInterface *interface() const;
189
190 void *internalPointer() const;
191
192 static QDBusConnection connectToBus(BusType type, const QString &name);
193 static QDBusConnection connectToBus(const QString &address, const QString &name);
194 static QDBusConnection connectToPeer(const QString &address, const QString &name);
195 static void disconnectFromBus(const QString &name);
196 static void disconnectFromPeer(const QString &name);
197
198 static QByteArray localMachineId();
199
200 static QDBusConnection sessionBus();
201 static QDBusConnection systemBus();
202
203#if QT_DEPRECATED_SINCE(5,5)
204 static QT_DEPRECATED_X("This function no longer works, use QDBusContext instead")
205 QDBusConnection sender();
206#endif
207
208protected:
209 explicit QDBusConnection(QDBusConnectionPrivate *dd);
210
211private:
212 friend class QDBusConnectionPrivate;
213 QDBusConnectionPrivate *d;
214};
215Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QDBusConnection)
216
217Q_DECLARE_OPERATORS_FOR_FLAGS(QDBusConnection::RegisterOptions)
218Q_DECLARE_OPERATORS_FOR_FLAGS(QDBusConnection::VirtualObjectRegisterOptions)
219Q_DECLARE_OPERATORS_FOR_FLAGS(QDBusConnection::ConnectionCapabilities)
220
221QT_END_NAMESPACE
222
223#endif // QT_NO_DBUS
224#endif
225

source code of qtbase/src/dbus/qdbusconnection.h