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hostobject.h
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hostobject.h
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/*
* Copyright (C) 2016 Jolla Ltd
* Contact: Andrew den Exter <andrew.den.exter@jolla.com>
*
* You may use this file under the terms of the BSD license as follows:
*
* "Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Nemo Mobile nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
*/
#ifndef NEMODEVICELOCK_HOSTOBJECT_H
#define NEMODEVICELOCK_HOSTOBJECT_H
#include <QDBusContext>
#include <QLoggingCategory>
#include <nemo-dbus/connection.h>
namespace NemoDeviceLock
{
Q_DECLARE_LOGGING_CATEGORY(daemon)
NemoDBus::Connection systemBus();
class HostObject : public QObject, protected QDBusContext
{
Q_OBJECT
public:
explicit HostObject(const QString &path, QObject *parent = nullptr);
~HostObject();
QString path() const;
virtual void clientConnected(const QString &connectionName);
virtual void clientDisconnected(const QString &connectionName);
virtual void cancel();
static unsigned long connectionPid(const QDBusConnection &connection);
static unsigned long connectionUid(const QDBusConnection &connection);
virtual bool authorizeConnection(const QDBusConnection &connection);
bool isActiveClient(const QString &connection, const QString &client) const;
bool isActiveClient(const QString &client) const;
void setActiveClient(const QString &client);
void setActiveClient(const QString &connection, const QString &client);
void clearActiveClient();
protected:
void propertyChanged(const QString &interface, const QString &property, const QVariant &value);
void broadcastSignal(const QString &interface, const QString &name, const QVariantList &arguments);
template <typename... Arguments> inline bool sendToActiveClient(
const QString &interface,
const QString &method,
Arguments... arguments)
{
return !m_activeConnection.isEmpty()
&& NemoDBus::send(m_activeConnection, m_activeClient, interface, method, arguments...);
}
private:
const QString m_path;
QStringList m_connections;
QString m_activeConnection;
QString m_activeClient;
};
}
#endif