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