1 | // Copyright (C) 2016 The Qt Company Ltd. |
2 | // Copyright (C) 2016 Intel Corporation. |
3 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
4 | |
5 | // |
6 | // W A R N I N G |
7 | // ------------- |
8 | // |
9 | // This file is not part of the public API. This header file may |
10 | // change from version to version without notice, or even be |
11 | // removed. |
12 | // |
13 | // We mean it. |
14 | // |
15 | // |
16 | |
17 | #ifndef QDBUSPENDINGCALL_P_H |
18 | #define QDBUSPENDINGCALL_P_H |
19 | |
20 | #include <QtDBus/private/qtdbusglobal_p.h> |
21 | #include <qlist.h> |
22 | #include <qmutex.h> |
23 | #include <qpointer.h> |
24 | #include <qshareddata.h> |
25 | #include <qwaitcondition.h> |
26 | |
27 | #include "qdbusmessage.h" |
28 | #include "qdbus_symbols_p.h" |
29 | |
30 | #ifndef QT_NO_DBUS |
31 | |
32 | QT_BEGIN_NAMESPACE |
33 | |
34 | class QDBusPendingCall; |
35 | class QDBusPendingCallWatcher; |
36 | class QDBusPendingCallWatcherHelper; |
37 | class QDBusConnectionPrivate; |
38 | |
39 | class QDBusPendingCallPrivate: public QSharedData |
40 | { |
41 | public: |
42 | // { |
43 | // set only during construction: |
44 | const QDBusMessage sentMessage; |
45 | QDBusConnectionPrivate * const connection; |
46 | |
47 | // for the callback mechanism (see setReplyCallback and QDBusConnectionPrivate::sendWithReplyAsync) |
48 | QPointer<QObject> receiver; |
49 | QList<QMetaType> metaTypes; |
50 | int methodIdx; |
51 | |
52 | // } |
53 | |
54 | mutable QMutex mutex; |
55 | QWaitCondition waitForFinishedCondition; |
56 | |
57 | // { |
58 | // protected by the mutex above: |
59 | QDBusPendingCallWatcherHelper *watcherHelper; |
60 | QDBusMessage replyMessage; |
61 | DBusPendingCall *pending; |
62 | QString expectedReplySignature; |
63 | // } |
64 | |
65 | QDBusPendingCallPrivate(const QDBusMessage &sent, QDBusConnectionPrivate *connection) |
66 | : sentMessage(sent), connection(connection), watcherHelper(nullptr), pending(nullptr) |
67 | { } |
68 | ~QDBusPendingCallPrivate(); |
69 | bool setReplyCallback(QObject *target, const char *member); |
70 | void waitForFinished(); |
71 | void setMetaTypes(int count, const QMetaType *types); |
72 | void checkReceivedSignature(); |
73 | |
74 | static QDBusPendingCall fromMessage(const QDBusMessage &msg); |
75 | }; |
76 | |
77 | class QDBusPendingCallWatcherHelper: public QObject |
78 | { |
79 | Q_OBJECT |
80 | public: |
81 | void add(QDBusPendingCallWatcher *watcher); |
82 | |
83 | void emitSignals(const QDBusMessage &replyMessage, const QDBusMessage &sentMessage) |
84 | { |
85 | if (replyMessage.type() == QDBusMessage::ReplyMessage) |
86 | emit reply(msg: replyMessage); |
87 | else |
88 | emit error(error: QDBusError(replyMessage), msg: sentMessage); |
89 | emit finished(); |
90 | } |
91 | |
92 | Q_SIGNALS: |
93 | void finished(); |
94 | void reply(const QDBusMessage &msg); |
95 | void error(const QDBusError &error, const QDBusMessage &msg); |
96 | }; |
97 | |
98 | QT_END_NAMESPACE |
99 | |
100 | #endif // QT_NO_DBUS |
101 | #endif |
102 | |