114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
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#include <QDBusPendingCall>
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#include <QDBusPendingReply>
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#include <QDebug>
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#include <QCoreApplication>
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#include "responsewaiter.h"
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Q_DECLARE_METATYPE(QDBusPendingReply<>)
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Q_DECLARE_METATYPE(QDBusPendingReply<QVariant>)
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Q_DECLARE_METATYPE(QDBusPendingReply<bool>)
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Q_DECLARE_METATYPE(QDBusPendingReply<int>)
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Q_DECLARE_METATYPE(QDBusPendingReply<QString>)
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DBusResponseWaiter* DBusResponseWaiter::m_instance = 0;
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DBusResponseWaiter* DBusResponseWaiter::instance()
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{
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if (!m_instance)
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{
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m_instance = new DBusResponseWaiter();
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}
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return m_instance;
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}
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DBusResponseWaiter::DBusResponseWaiter()
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: QObject()
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{
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m_registered
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<< qRegisterMetaType<QDBusPendingReply<> >("QDBusPendingReply<>")
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<< qRegisterMetaType<QDBusPendingReply<QVariant> >("QDBusPendingReply<QVariant>")
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<< qRegisterMetaType<QDBusPendingReply<bool> >("QDBusPendingReply<bool>")
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<< qRegisterMetaType<QDBusPendingReply<int> >("QDBusPendingReply<int>")
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<< qRegisterMetaType<QDBusPendingReply<QString> >("QDBusPendingReply<QString>")
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;
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}
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QVariant DBusResponseWaiter::waitForReply(QVariant variant) const
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{
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if (QDBusPendingCall* call = const_cast<QDBusPendingCall*>(extractPendingCall(variant)))
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{
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call->waitForFinished();
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if (call->isError())
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{
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return QVariant("error");
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}
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QDBusMessage reply = call->reply();
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if (reply.arguments().count() > 0)
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{
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return reply.arguments().first();
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}
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}
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return QVariant();
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}
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void DBusAsyncResponse::setPendingCall(QVariant variant)
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{
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if (QDBusPendingCall* call = const_cast<QDBusPendingCall*>(DBusResponseWaiter::instance()->extractPendingCall(variant)))
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{
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QDBusPendingCallWatcher* watcher = new QDBusPendingCallWatcher(*call);
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watcher->setProperty("pengingCall", variant);
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connect(watcher, SIGNAL(finished(QDBusPendingCallWatcher*)), this, SLOT(onCallFinished(QDBusPendingCallWatcher*)));
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connect(watcher, SIGNAL(finished(QDBusPendingCallWatcher*)), watcher, SLOT(deleteLater()));
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};
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}
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void DBusAsyncResponse::onCallFinished(QDBusPendingCallWatcher* watcher)
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{
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QVariant variant = watcher->property("pengingCall");
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if (QDBusPendingCall* call = const_cast<QDBusPendingCall*>(DBusResponseWaiter::instance()->extractPendingCall(variant)))
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{
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if (call->isError())
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{
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Q_EMIT error(call->error().message());
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}
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else
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{
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QDBusMessage reply = call->reply();
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if (reply.arguments().count() > 0)
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{
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Q_EMIT success(reply.arguments().first());
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}
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else
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{
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Q_EMIT success(QVariant());
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}
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}
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}
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if (m_autodelete)
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{
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deleteLater();
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}
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}
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const QDBusPendingCall* DBusResponseWaiter::extractPendingCall(QVariant& variant) const
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{
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Q_FOREACH(int type, m_registered)
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{
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if (variant.canConvert(QVariant::Type(type)))
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{
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return reinterpret_cast<const QDBusPendingCall*>(variant.constData());
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}
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}
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return 0;
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}
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