| 1 | // Copyright (C) 2017 Ford Motor Company |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QREMOTEOBJECTPENDINGCALL_H |
| 5 | #define QREMOTEOBJECTPENDINGCALL_H |
| 6 | |
| 7 | #include <QtRemoteObjects/qtremoteobjectglobal.h> |
| 8 | |
| 9 | #include <QtCore/qvariant.h> |
| 10 | |
| 11 | QT_BEGIN_NAMESPACE |
| 12 | |
| 13 | class QRemoteObjectPendingCallWatcherPrivate; |
| 14 | class QRemoteObjectPendingCallData; |
| 15 | |
| 16 | class Q_REMOTEOBJECTS_EXPORT QRemoteObjectPendingCall |
| 17 | { |
| 18 | public: |
| 19 | enum Error { |
| 20 | NoError, |
| 21 | InvalidMessage |
| 22 | }; |
| 23 | |
| 24 | QRemoteObjectPendingCall(); |
| 25 | QRemoteObjectPendingCall(const QRemoteObjectPendingCall &other); |
| 26 | ~QRemoteObjectPendingCall(); |
| 27 | |
| 28 | QRemoteObjectPendingCall &operator=(const QRemoteObjectPendingCall &other); |
| 29 | |
| 30 | QVariant returnValue() const; |
| 31 | QRemoteObjectPendingCall::Error error() const; |
| 32 | |
| 33 | bool isFinished() const; |
| 34 | |
| 35 | bool waitForFinished(int timeout = 30000); |
| 36 | |
| 37 | static QRemoteObjectPendingCall fromCompletedCall(const QVariant &returnValue); |
| 38 | |
| 39 | protected: |
| 40 | QRemoteObjectPendingCall(QRemoteObjectPendingCallData *dd); |
| 41 | |
| 42 | /// Shared data, note: might be null |
| 43 | QExplicitlySharedDataPointer<QRemoteObjectPendingCallData> d; |
| 44 | |
| 45 | private: |
| 46 | friend class QConnectedReplicaImplementation; |
| 47 | }; |
| 48 | |
| 49 | QT_END_NAMESPACE |
| 50 | QT_DECL_METATYPE_EXTERN(QRemoteObjectPendingCall, Q_REMOTEOBJECTS_EXPORT) |
| 51 | QT_BEGIN_NAMESPACE |
| 52 | |
| 53 | class Q_REMOTEOBJECTS_EXPORT QRemoteObjectPendingCallWatcher: public QObject, public QRemoteObjectPendingCall |
| 54 | { |
| 55 | Q_OBJECT |
| 56 | |
| 57 | public: |
| 58 | QRemoteObjectPendingCallWatcher(const QRemoteObjectPendingCall &call, QObject *parent = nullptr); |
| 59 | ~QRemoteObjectPendingCallWatcher() override; |
| 60 | |
| 61 | bool isFinished() const; |
| 62 | |
| 63 | void waitForFinished(); |
| 64 | |
| 65 | Q_SIGNALS: |
| 66 | void finished(QRemoteObjectPendingCallWatcher *self); |
| 67 | |
| 68 | private: |
| 69 | Q_DECLARE_PRIVATE(QRemoteObjectPendingCallWatcher) |
| 70 | }; |
| 71 | |
| 72 | template<typename T> |
| 73 | class QRemoteObjectPendingReply : public QRemoteObjectPendingCall |
| 74 | { |
| 75 | public: |
| 76 | typedef T Type; |
| 77 | |
| 78 | QRemoteObjectPendingReply() = default; |
| 79 | explicit QRemoteObjectPendingReply(const QRemoteObjectPendingCall &call) |
| 80 | : QRemoteObjectPendingCall(call) |
| 81 | { |
| 82 | } |
| 83 | |
| 84 | QRemoteObjectPendingReply &operator=(const QRemoteObjectPendingCall &other) |
| 85 | { |
| 86 | QRemoteObjectPendingCall::operator=(other); |
| 87 | return *this; |
| 88 | } |
| 89 | |
| 90 | Type returnValue() const |
| 91 | { |
| 92 | return qvariant_cast<Type>(QRemoteObjectPendingCall::returnValue()); |
| 93 | } |
| 94 | |
| 95 | }; |
| 96 | |
| 97 | QT_END_NAMESPACE |
| 98 | |
| 99 | #endif |
| 100 |