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* Copyright (C) 2014 Canonical, Ltd.
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 3.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "unitydbusobject.h"
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#include <QDBusMessage>
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#include <QMetaClassInfo>
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UnityDBusObject::UnityDBusObject(const QString &path, const QString &service, bool async, QObject *parent)
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, m_connection(QDBusConnection::sessionBus())
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// Use a zero-timer to let Qml finish loading before we announce on DBus
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QTimer::singleShot(0, this, SLOT(registerObject()));
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UnityDBusObject::~UnityDBusObject()
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// Leave service in place because multiple objects may be registered with
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// the same service. But we know we own the object path and can unregister it.
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m_connection.unregisterObject(path());
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QDBusConnection UnityDBusObject::connection() const
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QString UnityDBusObject::path() const
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// Manually emit a PropertiesChanged signal over DBus, because QtDBus
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// doesn't do it for us on Q_PROPERTIES, oddly enough.
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void UnityDBusObject::notifyPropertyChanged(const QString& propertyName, const QVariant &value)
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QVariantMap changedProps;
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interface = metaObject()->classInfo(metaObject()->indexOfClassInfo("D-Bus Interface")).value();
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changedProps.insert(propertyName, value);
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message = QDBusMessage::createSignal(path(),
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"org.freedesktop.DBus.Properties",
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message << changedProps;
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message << QStringList();
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connection().send(message);
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void UnityDBusObject::registerObject()
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if (!m_connection.registerObject(m_path, this, QDBusConnection::ExportScriptableContents)) {
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qWarning() << "Unable to register DBus object" << m_path;
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if (!m_service.isEmpty()) {
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if (!m_connection.registerService(m_service)) {
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qWarning() << "Unable to register DBus service" << m_service;