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// Copyright (C) 2021 The Qt Company Ltd.
// Copyright (C) 2019 Luxoft Sweden AB
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QIFREMOTEOBJECTSREPLICAHELPER_H
#define QIFREMOTEOBJECTSREPLICAHELPER_H
#include <QtInterfaceFramework/QIfPendingReply>
#include <QtInterfaceFramework/QIfAbstractFeature>
#include <QtRemoteObjects/QRemoteObjectNode>
#include <QtRemoteObjects/QRemoteObjectReplica>
#include <QtRemoteObjects/QRemoteObjectPendingCall>
#include <QtIfRemoteObjectsHelper/qifremoteobjectshelper.h>
#include <QtIfRemoteObjectsHelper/qifremoteobjectspendingresult.h>
QT_BEGIN_NAMESPACE
class QIfRemoteObjectsReplicaHelper : public QObject
{
Q_OBJECT
public:
QIfRemoteObjectsReplicaHelper(const QLoggingCategory &category = qtif_private::qLcQtIfRoHelper(), QObject *parent = nullptr);
QVariant fromRemoteObjectVariant(const QVariant &variant) const;
template <class T> QIfPendingReply<T> toQIfPendingReply(const QRemoteObjectPendingCall &reply)
{
qCDebug(m_category) << "Analyzing QRemoteObjectPendingCall";
QIfPendingReply<T> ifReply;
auto watcher = new QRemoteObjectPendingCallWatcher(reply);
connect(watcher, &QRemoteObjectPendingCallWatcher::finished, watcher, [this, ifReply] (QRemoteObjectPendingCallWatcher *self) mutable {
if (self->error() == QRemoteObjectPendingCallWatcher::NoError) {
QVariant value = self->returnValue();
if (value.canConvert<QIfRemoteObjectsPendingResult>()) {
auto result = value.value<QIfRemoteObjectsPendingResult>();
if (result.failed()) {
qCDebug(m_category) << "Pending Result with id:" << result.id() << "failed";
ifReply.setFailed();
} else {
qCDebug(m_category) << "Result not available yet. Waiting for id:" << result.id();
m_pendingReplies.insert(result.id(), ifReply);
}
} else {
qCDebug(m_category) << "Got the value right away:" << value;
ifReply.setSuccess(value);
}
} else {
ifReply.setFailed();
}
self->deleteLater();
});
return ifReply;
}
public Q_SLOTS:
void onPendingResultAvailable(quint64 id, bool isSuccess, const QVariant &value);
void onReplicaStateChanged(QRemoteObjectReplica::State newState, QRemoteObjectReplica::State oldState);
void onNodeError(QRemoteObjectNode::ErrorCode code);
Q_SIGNALS:
void errorChanged(QIfAbstractFeature::Error error, const QString &message = QString());
private:
QHash<quint64, QIfPendingReplyBase> m_pendingReplies;
const QLoggingCategory &m_category;
};
QT_END_NAMESPACE
#endif //QIFREMOTEOBJECTSREPLICAHELPER_H
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