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/*
* screensaverInterfaceImpl.cpp
*
*
* (C) 2024 Emanoil Kotsev
* deloptes (AT) gmail.com
*
* tdebase Copyright (C) 2009 tdebase development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2
* as published by the Free Software Foundation.
*
* 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "screensaverInterfaceImpl.h"
ScreenSaverInterfaceImpl::ScreenSaverInterfaceImpl(TQT_DBusConnection &conn) :
m_connection(&conn),
m_ccount(1),
m_kdesktopdcoprefobj("kdesktop", "KScreensaverIface")
{
isScreenSaverEnabled = screenSaverIsEnabled();
tqDebug(TQString("ScreenSaver isEnabled = %1").arg((isScreenSaverEnabled)?"yes":"no"));
}
ScreenSaverInterfaceImpl::~ScreenSaverInterfaceImpl()
{
}
void ScreenSaverInterfaceImpl::restoreState()
{
// restore the state
forceScreenSaver(isScreenSaverEnabled);
}
/*!
* Implement virtual methods
*
*/
void ScreenSaverInterfaceImpl::handleMethodReply(const TQT_DBusMessage& reply)
{
m_connection->send(reply);
}
bool ScreenSaverInterfaceImpl::handleSignalSend(const TQT_DBusMessage& reply)
{
return true;
}
TQString ScreenSaverInterfaceImpl::objectPath() const
{
return TQString(DBUS_SCREENSAVER_SERVICE_PATH);
}
bool ScreenSaverInterfaceImpl::Lock(TQT_DBusError& dbuserror) {
DCOPReply reply = m_kdesktopdcoprefobj.call("lock");
if (!reply.isValid())
{
TQString e("ScreenSaverInterfaceImpl::Lock: there was some error using DCOP.");
tqDebug(e);
dbuserror = TQT_DBusError::stdFailed(e);
return false;
}
return true;
}
bool ScreenSaverInterfaceImpl::SetActive(bool& arg0, bool e, TQT_DBusError& dbuserror) {
DCOPReply reply = m_kdesktopdcoprefobj.call("setBlankOnly",e);
if (!reply.isValid())
{
arg0 = false;
TQString err("ScreenSaverInterfaceImpl::Lock: there was some error using DCOP.");
tqDebug(err);
dbuserror = TQT_DBusError::stdFailed(err);
return false;
}
arg0 = true;
return true;
}
bool ScreenSaverInterfaceImpl::Inhibit(const TQString& application_name, const TQString& reason_for_inhibit, TQ_UINT32& cookie, TQT_DBusError& dbuserror) {
//this is to make sure we have the actual state - it could have been changed meanwhile
isScreenSaverEnabled = screenSaverIsEnabled();
if (isScreenSaverEnabled && m_cookies.isEmpty()) // disable only once
{
if (!forceScreenSaver(false))
{
dbuserror = TQT_DBusError::stdFailed(TQString("Failed to disable the screen saver"));
}
}
cookie=m_ccount++;
ScreenSaverInterfaceImpl::Pair v;
v.name = application_name;
v.value = reason_for_inhibit;
m_cookies[cookie] = v;
tqDebug(TQString("Inhibit: cookie(%1), application(%2), reason(%3)")
.arg(cookie)
.arg(m_cookies[cookie].name)
.arg(m_cookies[cookie].value).local8Bit());
return true;
}
bool ScreenSaverInterfaceImpl::UnInhibit(TQ_UINT32 cookie, TQT_DBusError& dbuserror) {
tqDebug(TQString("UnInhibit: cookie(%1), application(%2), reason(%3)")
.arg(cookie)
.arg(m_cookies[cookie].name)
.arg(m_cookies[cookie].value).local8Bit());
m_cookies.remove(cookie);
if (m_cookies.isEmpty())
{
// restore states when all applications finished
if (!forceScreenSaver(isScreenSaverEnabled))
{
dbuserror = TQT_DBusError::stdFailed(TQString("Failed to switch ScreenSaver %1!").arg(
(isScreenSaverEnabled) ? "on" : "off"));
}
}
return true;
}
bool ScreenSaverInterfaceImpl::screenSaverIsEnabled()
{
DCOPReply reply = m_kdesktopdcoprefobj.call("isEnabled");
bool on = false;
if (!reply.isValid())
{
tqDebug("ScreenSaverInterfaceImpl::screenSaverIsEnabled(): there was some error using DCOP.");
}
else
{
if (!reply.get(on))
{
tqDebug("ScreenSaverInterfaceImpl::screenSaverIsEnabled(): there was some error getting the value from DCOPReply");
}
}
return on;
}
bool ScreenSaverInterfaceImpl::forceScreenSaver(bool on)
{
DCOPReply reply = m_kdesktopdcoprefobj.call("enable", on);
if (!reply.isValid())
{
tqDebug(TQString("Failed to switch ScreenSaver %1!").arg((on) ? "on" : "off"));
return false;
}
return true;
}
// End of File
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