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//===========================================
// Lumina-DE source code
// Copyright (c) 2015, Ken Moore
// Available under the 3-clause BSD license
// See the LICENSE file for full details
//===========================================
#include "LScreenSaver.h"
#include <QScreen>
#include <QApplication>
#include <LSession.h>
#define DEBUG 0
LScreenSaver::LScreenSaver() : QWidget(0,Qt::BypassWindowManagerHint | Qt::WindowStaysOnTopHint){
starttimer = new QTimer(this);
starttimer->setSingleShot(true);
locktimer = new QTimer(this);
locktimer->setSingleShot(true);
hidetimer = new QTimer(this);
hidetimer->setSingleShot(true);
checkTimer = new QTimer(this);
checkTimer->setInterval(1500); //1.5 seconds
lastTimeCode = 0;
LOCKER = new LLockScreen(this);
LOCKER->hide();
SSRunning = SSLocked = updating = false;
this->setObjectName("LSCREENSAVERBASE");
this->setStyleSheet("LScreenSaver#LSCREENSAVERBASE{ background: darkgrey; }");
this->setMouseTracking(true);
connect(starttimer, SIGNAL(timeout()), this, SLOT(ShowScreenSaver()) );
connect(locktimer, SIGNAL(timeout()), this, SLOT(LockScreen()) );
connect(hidetimer, SIGNAL(timeout()), this, SLOT(HideLockScreen()) );
connect(checkTimer, SIGNAL(timeout()), this, SLOT(checkInputEvents()) );
connect(LOCKER, SIGNAL(ScreenUnlocked()), this, SLOT(SSFinished()) );
connect(LOCKER, SIGNAL(InputDetected()), this, SLOT(newInputEvent()) );
}
LScreenSaver::~LScreenSaver(){
}
bool LScreenSaver::isLocked(){
return SSLocked;
}
void LScreenSaver::UpdateTimers(){
//This is generally used for programmatic changes
if(starttimer->isActive()){ starttimer->stop();}
if(locktimer->isActive()){ locktimer->stop(); }
if(hidetimer->isActive()){ hidetimer->stop(); }
if(!SSRunning && !SSLocked && (starttimer->interval() > 1000) ){
//time to SS start
WId active = LSession::handle()->XCB->WM_Get_Active_Window();
bool skip = (LSession::handle()->XCB->WindowName(active) != "Lumina Desktop Environment") && LSession::handle()->XCB->WindowIsFullscreen(active);
if(!skip){ starttimer->start(); } //do not start if current window is fullscreen (videos, movies, etc)
}
else if( SSRunning && !SSLocked && (locktimer->interval() > 1000 ) ){ locktimer->start(); } //time to lock
else if( !SSRunning && SSLocked ){ hidetimer->start(); } //time to hide lock screen
}
// ===========
// PUBLIC SLOTS
// ===========
void LScreenSaver::start(){
reloadSettings(); //setup all the initial time frames
starttimer->start();
checkTimer->start();
}
void LScreenSaver::reloadSettings(){
starttimer->setInterval( DesktopSettings::instance()->value(DesktopSettings::ScreenSaver, "timedelaymin",10).toInt() * 60000 );
locktimer->setInterval( DesktopSettings::instance()->value(DesktopSettings::ScreenSaver, "lockdelaymin",1).toInt() * 60000 );
hidetimer->setInterval( DesktopSettings::instance()->value(DesktopSettings::ScreenSaver, "hidesecs",15).toInt() * 1000 );
}
void LScreenSaver::newInputEvent(){
if(updating){ return; } //in the middle of making changes which could cause an event
if(DEBUG){ qDebug() << "New Input Event"; }
if(SSRunning && SSLocked){
//Running and locked
// Hide the running setting, and display the lock screen
HideScreenSaver();
ShowLockScreen();
}else if(SSRunning){
//Only running, not locked
HideScreenSaver();
}
UpdateTimers();
}
void LScreenSaver::LockScreenNow(){
ShowScreenSaver();
LockScreen();
}
// ===========
// PRIVATE SLOTS
// ===========
void LScreenSaver::checkInputEvents(){
//Check mouse position first
QPoint pos = QCursor::pos();
bool change = false;
if(pos != lastMousePos){
lastMousePos = QCursor::pos(); //update the internal point
change = true;
}
//Check the last keyboard input timestamp
WId active = LSession::handle()->XCB->WM_Get_Active_Window();
if(active != lastActiveWindow){
lastActiveWindow = active;
change = true;
}
unsigned int timecode = LSession::handle()->XCB->WM_Get_User_Time(active);
if(timecode > lastTimeCode){
lastTimeCode = timecode;
change = true;
}
//If there was an input event detected (or a window is currently full-screen), update timers and such
if(change){ newInputEvent(); }
}
void LScreenSaver::ShowScreenSaver(){
if(DEBUG){ qDebug() << "Showing Screen Saver:" << QDateTime::currentDateTime().toString(); }
checkInputEvents(); //update all the internal times to now
//QApplication::setOverrideCursor(QCursor::BlankCursor);
SSRunning = true;
updating = true;
//Now remove any current Base widgets (prevent any lingering painting between sessions)
for(int i=0; i<BASES.length(); i++){
if(DEBUG){ qDebug() << " - Removing SS Base"; }
delete BASES.takeAt(i); i--;
}
//Now go through and create/show all the various widgets
QList<QScreen*> SCREENS = QApplication::screens();
QRect bounds;
//cBright = LOS::ScreenBrightness();
//if(cBright>0){ LOS::setScreenBrightness(cBright/2); } //cut to half while the screensaver is active
for(int i=0; i<SCREENS.length(); i++){
bounds = bounds.united(SCREENS[i]->geometry());
if(DEBUG){ qDebug() << " - New SS Base:" << i; }
BASES << new SSBaseWidget(this);
connect(BASES[i], SIGNAL(InputDetected()), this, SLOT(newInputEvent()) );
//Setup the geometry of the base to match the screen
BASES[i]->setGeometry(SCREENS[i]->geometry()); //match this screen geometry
QString plug = DesktopSettings::instance()->value(DesktopSettings::ScreenSaver, "plugin_"+SCREENS[i]->name(), "").toString();
if(plug.isEmpty()){ plug = DesktopSettings::instance()->value(DesktopSettings::ScreenSaver, "default_plugin","random").toString(); }
BASES[i]->setPlugin(plug);
}
//Now set the overall parent widget geometry and show everything
this->setGeometry(bounds); //overall background widget
if(!this->isActiveWindow()){
this->raise();
this->show();
this->activateWindow();
}
for(int i=0; i<BASES.length(); i++){
BASES[i]->show();
BASES[i]->startPainting();
}
this->grabKeyboard();
updating = false;
UpdateTimers();
}
void LScreenSaver::ShowLockScreen(){
if(DEBUG){ qDebug() << "Showing Lock Screen:" << QDateTime::currentDateTime().toString(); }
LOCKER->aboutToShow();
//Move the screen locker to the appropriate spot
QPoint ctr = QApplication::screenAt(QCursor::pos())->geometry().center();
LOCKER->resize(LOCKER->sizeHint());
LOCKER->move(ctr - QPoint(LOCKER->width()/2, LOCKER->height()/2) );
LOCKER->show();
LOCKER->activateWindow();
//Start the timer for hiding the lock screen due to inactivity
UpdateTimers();
}
void LScreenSaver::HideScreenSaver(){
//QApplication::restoreOverrideCursor();
if(DEBUG){ qDebug() << "Hiding Screen Saver:" << QDateTime::currentDateTime().toString(); }
SSRunning = false;
//if(cBright>0){ LOS::setScreenBrightness(cBright); } //return to current brightness
this->releaseKeyboard();
if(!SSLocked){
this->hide();
emit ClosingScreenSaver();
emit LockStatusChanged(false);
}
if(DEBUG){ qDebug() << "Stop ScreenSavers"; }
for(int i=0; i<BASES.length(); i++){
BASES[i]->stopPainting();
BASES[i]->hide();
BASES.takeAt(i)->deleteLater();
i--;
}
UpdateTimers();
}
void LScreenSaver::HideLockScreen(){
if(DEBUG){ qDebug() << "Hiding Lock Screen:" << QDateTime::currentDateTime().toString(); }
//Leave the Locked flag set (still locked, just not visible)
LOCKER->aboutToHide();
LOCKER->hide();
this->repaint();
if(SSLocked){ ShowScreenSaver(); }
UpdateTimers();
}
void LScreenSaver::LockScreen(){
if(SSLocked){ return; }
if(DEBUG){ qDebug() << "Locking Screen:" << QDateTime::currentDateTime().toString(); }
SSLocked = true;
emit LockStatusChanged(true);
LOCKER->LoadSystemDetails();
UpdateTimers();
}
void LScreenSaver::SSFinished(){
if(DEBUG){ qDebug() << "Screensaver Finished:" << QDateTime::currentDateTime().toString(); }
SSLocked = false;
emit LockStatusChanged(false);
HideLockScreen();
HideScreenSaver();
}
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