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/********************************************************************
KSld - the KDE Screenlocker Daemon
This file is part of the KDE project.
Copyright 1999 Martin R. Jones <mjones@kde.org>
Copyright (C) 2011 Martin Gräßlin <mgraesslin@kde.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/
#ifndef SCREENLOCKER_INTERFACE_H
#define SCREENLOCKER_INTERFACE_H
#include <QtCore/QObject>
#include <QtDBus/QDBusContext>
#include <QtDBus/QDBusMessage>
class QDBusServiceWatcher;
namespace ScreenLocker
{
class InhibitRequest
{
public:
QString dbusid;
uint cookie;
uint powerdevilcookie;
};
class KSldApp;
class Interface : public QObject, protected QDBusContext
{
Q_OBJECT
Q_CLASSINFO("D-Bus Interface", "org.freedesktop.ScreenSaver")
public:
explicit Interface(KSldApp *parent = 0);
virtual ~Interface();
public Q_SLOTS:
/**
* Lock the screen.
*/
void Lock();
/**
* Simulate user activity
*/
void SimulateUserActivity();
/**
* Request a change in the state of the screensaver.
* Set to TRUE to request that the screensaver activate.
* Active means that the screensaver has blanked the
* screen and may run a graphical theme. This does
* not necessary mean that the screen is locked.
*/
bool SetActive(bool state);
/// Returns the value of the current state of activity (See setActive)
bool GetActive();
/**
* Returns the number of seconds that the screensaver has
* been active. Returns zero if the screensaver is not active.
*/
uint GetActiveTime();
/**
* Returns the number of seconds that the session has
* been idle. Returns zero if the session is not idle.
*/
uint GetSessionIdleTime();
/**
* Request that saving the screen due to system idleness
* be blocked until UnInhibit is called or the
* calling process exits.
* The cookie is a random number used to identify the request
*/
uint Inhibit(const QString &application_name, const QString &reason_for_inhibit);
/// Cancel a previous call to Inhibit() identified by the cookie.
void UnInhibit(uint cookie);
/**
* Request that running themes while the screensaver is active
* be blocked until UnThrottle is called or the
* calling process exits.
* The cookie is a random number used to identify the request
*/
uint Throttle(const QString &application_name, const QString &reason_for_inhibit);
/// Cancel a previous call to Throttle() identified by the cookie.
void UnThrottle(uint cookie);
// org.kde.screensvar
void setupPlasma();
void configure();
void saverLockReady();
Q_SIGNALS:
// DBus signals
void ActiveChanged(bool state);
private Q_SLOTS:
void slotLocked();
void slotUnlocked();
void serviceUnregistered(const QString &name);
private:
void sendLockReplies();
KSldApp *m_daemon;
QDBusServiceWatcher *m_serviceWatcher;
QList<InhibitRequest> m_requests;
uint m_next_cookie;
QList<QDBusMessage> m_lockReplies;
};
}
#endif // SCREENLOCKER_INTERFACE_H
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