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/* smplayer, GUI front-end for mplayer.
Copyright (C) 2006-2017 Ricardo Villalba <rvm@users.sourceforge.net>
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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <Qt>
#include <QSysInfo>
#include "screensaver.h"
#ifndef Q_OS_OS2
#include <windows.h>
#endif
WinScreenSaver::WinScreenSaver() {
#ifndef Q_OS_OS2
lowpower = poweroff = screensaver = 0;
#else
SSaver = new QLibrary("SSCORE");
SSaver->load();
SSCore_TempDisable = SSCore_TempEnable = NULL;
if (SSaver->isLoaded()) {
SSCore_TempDisable = (FuncPtr) SSaver->resolve("SSCore_TempDisable");
SSCore_TempEnable = (FuncPtr) SSaver->resolve("SSCore_TempEnable");
}
#endif
state_saved = false;
modified = false;
retrieveState();
}
WinScreenSaver::~WinScreenSaver() {
restoreState();
#ifdef Q_OS_OS2
unload();
#endif
}
void WinScreenSaver::retrieveState() {
qDebug("WinScreenSaver::retrieveState");
if (!state_saved) {
#ifndef Q_OS_OS2
if (QSysInfo::WindowsVersion < QSysInfo::WV_VISTA) {
// Not supported on Windows Vista
SystemParametersInfo(SPI_GETLOWPOWERTIMEOUT, 0, &lowpower, 0);
SystemParametersInfo(SPI_GETPOWEROFFTIMEOUT, 0, &poweroff, 0);
}
SystemParametersInfo(SPI_GETSCREENSAVETIMEOUT, 0, &screensaver, 0);
state_saved = true;
qDebug("WinScreenSaver::retrieveState: lowpower: %d, poweroff: %d, screensaver: %d", lowpower, poweroff, screensaver);
#else
state_saved = true;
qDebug("WinScreensaver::retrieveState: init done %s", SSCore_TempDisable ?"succesfully":"failed");
#endif
} else {
qDebug("WinScreenSaver::retrieveState: state already saved previously, doing nothing");
}
}
void WinScreenSaver::restoreState() {
if (!modified) {
qDebug("WinScreenSaver::restoreState: state did not change, doing nothing");
return;
}
if (state_saved) {
#ifndef Q_OS_OS2
if (QSysInfo::WindowsVersion < QSysInfo::WV_VISTA) {
// Not supported on Windows Vista
SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, lowpower, NULL, 0);
SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, poweroff, NULL, 0);
}
SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, screensaver, NULL, 0);
SetThreadExecutionState(ES_CONTINUOUS);
qDebug("WinScreenSaver::restoreState: lowpower: %d, poweroff: %d, screensaver: %d", lowpower, poweroff, screensaver);
#else
if (SSCore_TempEnable) {
SSCore_TempEnable();
}
qDebug("WinScreenSaver::restoreState done");
#endif
} else {
qWarning("WinScreenSaver::restoreState: no data, doing nothing");
}
}
#ifdef Q_OS_OS2
void WinScreenSaver::unload() {
if (SSaver->isLoaded()) {
SSaver->unload();
delete SSaver;
}
}
#endif
void WinScreenSaver::disable() {
qDebug("WinScreenSaver::disable");
#ifndef Q_OS_OS2
if (QSysInfo::WindowsVersion < QSysInfo::WV_VISTA) {
// Not supported on Windows Vista
SystemParametersInfo(SPI_SETLOWPOWERTIMEOUT, 0, NULL, 0);
SystemParametersInfo(SPI_SETPOWEROFFTIMEOUT, 0, NULL, 0);
}
SystemParametersInfo(SPI_SETSCREENSAVETIMEOUT, 0, NULL, 0);
SetThreadExecutionState(ES_CONTINUOUS | ES_DISPLAY_REQUIRED);
#else
if (SSCore_TempDisable) {
SSCore_TempDisable();
}
#endif
modified = true;
}
void WinScreenSaver::enable() {
qDebug("WinScreenSaver::enable");
restoreState();
}
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