Some work about adaptive color scheme for Web UI (PR #19901) http://[316:c51a:62a3:8b9::4]/d4708/qBittorrent/src/branch/adaptive-webui
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#ifndef BANDWIDTHSCHEDULER_H
#define BANDWIDTHSCHEDULER_H
#include <QTimer>
#include <QTime>
#include <QDateTime>
#include "preferences.h"
#include <iostream>
class BandwidthScheduler: public QTimer {
Q_OBJECT
private:
bool in_alternative_mode;
public:
BandwidthScheduler(QObject *parent): QTimer(parent), in_alternative_mode(false) {
Q_ASSERT(Preferences::isSchedulerEnabled());
// Signal shot, we call start() again manually
setSingleShot(true);
// Connect Signals/Slots
connect(this, SIGNAL(timeout()), this, SLOT(switchMode()));
}
public slots:
void start() {
Q_ASSERT(Preferences::isSchedulerEnabled());
QTime startAltSpeeds = Preferences::getSchedulerStartTime();
QTime endAltSpeeds = Preferences::getSchedulerEndTime();
if(startAltSpeeds == endAltSpeeds) {
std::cerr << "Error: bandwidth scheduler have the same start time and end time." << std::endl;
std::cerr << "The bandwidth scheduler will be disabled" << std::endl;
stop();
emit switchToAlternativeMode(false);
return;
}
// Determine what the closest QTime is
QTime now = QTime::currentTime();
uint time_to_start = secsTo(now, startAltSpeeds);
uint time_to_end = secsTo(now, endAltSpeeds);
if(time_to_end < time_to_start) {
// We should be in alternative mode
in_alternative_mode = true;
// Start counting
QTimer::start(time_to_end*1000);
} else {
// We should be in normal mode
in_alternative_mode = false;
// Start counting
QTimer::start(time_to_start*1000);
}
// Send signal to notify BTSession
emit switchToAlternativeMode(in_alternative_mode);
}
void switchMode() {
// Get the day this mode was started (either today or yesterday)
QDate current_date = QDateTime::currentDateTime().toLocalTime().date();
int day = current_date.dayOfWeek();
if(in_alternative_mode) {
// It is possible that starttime was yesterday
if(QTime::currentTime().secsTo(Preferences::getSchedulerStartTime()) > 0) {
current_date.addDays(-1); // Go to yesterday
day = current_date.day();
}
}
// Check if the day is in scheduler days
// Notify BTSession only if necessary
switch(Preferences::getSchedulerDays()) {
case EVERY_DAY:
emit switchToAlternativeMode(!in_alternative_mode);
break;
case WEEK_ENDS:
if(day == Qt::Saturday || day == Qt::Sunday)
emit switchToAlternativeMode(!in_alternative_mode);
break;
case WEEK_DAYS:
if(day != Qt::Saturday && day != Qt::Sunday)
emit switchToAlternativeMode(!in_alternative_mode);
break;
default:
// Convert our enum index to Qt enum index
int scheduler_day = ((int)Preferences::getSchedulerDays()) - 2;
if(day == scheduler_day)
emit switchToAlternativeMode(!in_alternative_mode);
break;
}
// Call start again
start();
}
signals:
void switchToAlternativeMode(bool alternative);
private:
// Qt function can return negative values and we
// don't want that
uint secsTo(QTime now, QTime t) {
int diff = now.secsTo(t);
if(diff < 0) {
// 86400 seconds in a day
diff += 86400;
}
Q_ASSERT(diff >= 0);
return diff;
}
};
#endif // BANDWIDTHSCHEDULER_H