1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies). |
4 | ** Contact: http://www.qt-project.org/legal |
5 | ** |
6 | ** This file is part of the QtDBus module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
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15 | ** use the contact form at http://qt.digia.com/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 2.1 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 2.1 requirements |
23 | ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
24 | ** |
25 | ** In addition, as a special exception, Digia gives you certain additional |
26 | ** rights. These rights are described in the Digia Qt LGPL Exception |
27 | ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
28 | ** |
29 | ** GNU General Public License Usage |
30 | ** Alternatively, this file may be used under the terms of the GNU |
31 | ** General Public License version 3.0 as published by the Free Software |
32 | ** Foundation and appearing in the file LICENSE.GPL included in the |
33 | ** packaging of this file. Please review the following information to |
34 | ** ensure the GNU General Public License version 3.0 requirements will be |
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36 | ** |
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38 | ** $QT_END_LICENSE$ |
39 | ** |
40 | ****************************************************************************/ |
41 | |
42 | // |
43 | // W A R N I N G |
44 | // ------------- |
45 | // |
46 | // This file is not part of the public API. This header file may |
47 | // change from version to version without notice, or even be |
48 | // removed. |
49 | // |
50 | // We mean it. |
51 | // |
52 | // |
53 | |
54 | #ifndef QDBUSPENDINGCALL_P_H |
55 | #define QDBUSPENDINGCALL_P_H |
56 | |
57 | #include <qshareddata.h> |
58 | #include <qpointer.h> |
59 | #include <qlist.h> |
60 | #include <qmutex.h> |
61 | #include <qwaitcondition.h> |
62 | |
63 | #include "qdbusmessage.h" |
64 | #include "qdbus_symbols_p.h" |
65 | |
66 | #ifndef QT_NO_DBUS |
67 | |
68 | QT_BEGIN_NAMESPACE |
69 | |
70 | class QDBusPendingCall; |
71 | class QDBusPendingCallWatcher; |
72 | class QDBusPendingCallWatcherHelper; |
73 | class QDBusConnectionPrivate; |
74 | |
75 | class QDBusPendingCallPrivate: public QSharedData |
76 | { |
77 | public: |
78 | // { |
79 | // set only during construction: |
80 | const QDBusMessage sentMessage; |
81 | QDBusConnectionPrivate * const connection; |
82 | |
83 | // for the callback mechanism (see setReplyCallback and QDBusConnectionPrivate::sendWithReplyAsync) |
84 | QPointer<QObject> receiver; |
85 | QList<int> metaTypes; |
86 | int methodIdx; |
87 | |
88 | // } |
89 | |
90 | mutable QMutex mutex; |
91 | QWaitCondition waitForFinishedCondition; |
92 | |
93 | // { |
94 | // protected by the mutex above: |
95 | QDBusPendingCallWatcherHelper *watcherHelper; |
96 | QDBusMessage replyMessage; |
97 | DBusPendingCall *pending; |
98 | volatile bool waitingForFinished; |
99 | |
100 | QString expectedReplySignature; |
101 | int expectedReplyCount; |
102 | // } |
103 | |
104 | QDBusPendingCallPrivate(const QDBusMessage &sent, QDBusConnectionPrivate *connection) |
105 | : sentMessage(sent), connection(connection), watcherHelper(0), pending(0), waitingForFinished(false) |
106 | { } |
107 | ~QDBusPendingCallPrivate(); |
108 | bool setReplyCallback(QObject *target, const char *member); |
109 | void waitForFinished(); |
110 | void setMetaTypes(int count, const int *types); |
111 | void checkReceivedSignature(); |
112 | |
113 | static QDBusPendingCall fromMessage(const QDBusMessage &msg); |
114 | }; |
115 | |
116 | class QDBusPendingCallWatcherHelper: public QObject |
117 | { |
118 | Q_OBJECT |
119 | public: |
120 | void add(QDBusPendingCallWatcher *watcher); |
121 | |
122 | void emitSignals(const QDBusMessage &replyMessage, const QDBusMessage &sentMessage) |
123 | { |
124 | if (replyMessage.type() == QDBusMessage::ReplyMessage) |
125 | emit reply(replyMessage); |
126 | else |
127 | emit error(replyMessage, sentMessage); |
128 | emit finished(); |
129 | } |
130 | |
131 | Q_SIGNALS: |
132 | void finished(); |
133 | void reply(const QDBusMessage &msg); |
134 | void error(const QDBusError &error, const QDBusMessage &msg); |
135 | }; |
136 | |
137 | QT_END_NAMESPACE |
138 | |
139 | #endif // QT_NO_DBUS |
140 | #endif |
141 | |