119 lines
3.8 KiB
C++
119 lines
3.8 KiB
C++
/**
|
|
* SPDX-FileCopyrightText: 2013 Albert Vaca <albertvaka@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
|
|
*/
|
|
|
|
#include "responsewaiter.h"
|
|
|
|
#include <QCoreApplication>
|
|
#include <QDBusPendingCall>
|
|
#include <QDBusPendingReply>
|
|
#include <QDebug>
|
|
|
|
// In older Qt released, qAsConst isnt available
|
|
#include "core/qtcompat_p.h"
|
|
|
|
Q_DECLARE_METATYPE(QDBusPendingReply<>)
|
|
Q_DECLARE_METATYPE(QDBusPendingReply<QVariant>)
|
|
Q_DECLARE_METATYPE(QDBusPendingReply<bool>)
|
|
Q_DECLARE_METATYPE(QDBusPendingReply<int>)
|
|
Q_DECLARE_METATYPE(QDBusPendingReply<QString>)
|
|
|
|
DBusResponseWaiter *DBusResponseWaiter::m_instance = nullptr;
|
|
|
|
DBusResponseWaiter *DBusResponseWaiter::instance()
|
|
{
|
|
if (!m_instance) {
|
|
m_instance = new DBusResponseWaiter();
|
|
}
|
|
return m_instance;
|
|
}
|
|
|
|
DBusResponseWaiter::DBusResponseWaiter()
|
|
: QObject()
|
|
{
|
|
m_registered << qRegisterMetaType<QDBusPendingReply<>>("QDBusPendingReply<>")
|
|
<< qRegisterMetaType<QDBusPendingReply<QVariant>>("QDBusPendingReply<QVariant>")
|
|
<< qRegisterMetaType<QDBusPendingReply<bool>>("QDBusPendingReply<bool>") << qRegisterMetaType<QDBusPendingReply<int>>("QDBusPendingReply<int>")
|
|
<< qRegisterMetaType<QDBusPendingReply<QString>>("QDBusPendingReply<QString>");
|
|
}
|
|
|
|
QVariant DBusResponseWaiter::waitForReply(QVariant variant) const
|
|
{
|
|
if (QDBusPendingCall *call = const_cast<QDBusPendingCall *>(extractPendingCall(variant))) {
|
|
call->waitForFinished();
|
|
|
|
if (call->isError()) {
|
|
qWarning() << "error:" << call->error();
|
|
return QVariant(QStringLiteral("error"));
|
|
}
|
|
|
|
QDBusMessage reply = call->reply();
|
|
|
|
if (reply.arguments().count() > 0) {
|
|
return reply.arguments().at(0);
|
|
}
|
|
}
|
|
return QVariant();
|
|
}
|
|
|
|
DBusAsyncResponse::DBusAsyncResponse(QObject *parent)
|
|
: QObject(parent)
|
|
, m_autodelete(false)
|
|
{
|
|
m_timeout.setSingleShot(true);
|
|
m_timeout.setInterval(15000);
|
|
connect(&m_timeout, &QTimer::timeout, this, &DBusAsyncResponse::onTimeout);
|
|
}
|
|
|
|
void DBusAsyncResponse::setPendingCall(QVariant variant)
|
|
{
|
|
if (QDBusPendingCall *call = const_cast<QDBusPendingCall *>(DBusResponseWaiter::instance()->extractPendingCall(variant))) {
|
|
QDBusPendingCallWatcher *watcher = new QDBusPendingCallWatcher(*call);
|
|
watcher->setProperty("pengingCallVariant", variant);
|
|
connect(watcher, &QDBusPendingCallWatcher::finished, this, &DBusAsyncResponse::onCallFinished);
|
|
connect(watcher, &QDBusPendingCallWatcher::finished, watcher, &QObject::deleteLater);
|
|
connect(&m_timeout, &QTimer::timeout, watcher, &QObject::deleteLater);
|
|
m_timeout.start();
|
|
}
|
|
}
|
|
|
|
void DBusAsyncResponse::onCallFinished(QDBusPendingCallWatcher *watcher)
|
|
{
|
|
m_timeout.stop();
|
|
QVariant variant = watcher->property("pengingCallVariant");
|
|
|
|
if (QDBusPendingCall *call = const_cast<QDBusPendingCall *>(DBusResponseWaiter::instance()->extractPendingCall(variant))) {
|
|
if (call->isError()) {
|
|
Q_EMIT error(call->error().message());
|
|
} else {
|
|
QDBusMessage reply = call->reply();
|
|
|
|
if (reply.arguments().count() > 0) {
|
|
Q_EMIT success(reply.arguments().at(0));
|
|
} else {
|
|
Q_EMIT success(QVariant());
|
|
}
|
|
}
|
|
}
|
|
if (m_autodelete) {
|
|
deleteLater();
|
|
}
|
|
}
|
|
|
|
void DBusAsyncResponse::onTimeout()
|
|
{
|
|
Q_EMIT error(QStringLiteral("timeout when waiting dbus response!"));
|
|
}
|
|
|
|
const QDBusPendingCall *DBusResponseWaiter::extractPendingCall(QVariant &variant) const
|
|
{
|
|
for (int type : qAsConst(m_registered)) {
|
|
if (variant.canConvert(QVariant::Type(type))) {
|
|
return reinterpret_cast<const QDBusPendingCall *>(variant.constData());
|
|
}
|
|
}
|
|
|
|
return nullptr;
|
|
}
|