summaryrefslogtreecommitdiffstats
path: root/src/saverwidget.cpp
blob: 359c2bdd8b807d343d995ddb562547ee9d206602 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
#include "saverwidget.h"
#include "ui_saver.h"
#include "screensaver.h"
#include "deadlinetype.h"
#include "config.h"

#include <QTimer>
#include <QX11Info>
#include <QDateTime>
#include <QSettings>
#include <QFile>
#include <QDebug>
#include <QLocalSocket>
#include <QHash>

#define C_ZERO QLatin1Char('0')

static QString formatTime(qlonglong span)
{
    QString ret;
    qlonglong days = span / 86400;
    if (days > 0) {
        ret = QString::number(days) + "d ";
        span -= 86400 * days;
    }
    return ret + QString("%1:%2:%3").arg(span / 3600, 2, 10, C_ZERO).arg((span % 3600) / 60, 2, 10, C_ZERO).arg(span % 60, 2, 10, C_ZERO);
}

SaverWidget::SaverWidget(WId parentWinId, QWidget *parent) :
    QWidget(parent),
    ui(new Ui::Saver),
    _parentWinId(parentWinId),
    _logoutDeadline(0),
    _shutdownDeadline(0),
    _counter(0),
    _deadlineType(DeadlineType::Unknown),
    _standbyDisabled(false),
    _isLocked(false),
    _unixSocket(nullptr),
    _display(QString::fromLocal8Bit(qgetenv("DISPLAY")))
{
    int i = _display.indexOf('.');
    if (i != -1) {
        _display = _display.left(i);
    }
    QString qss = Config::getMainQss();
    qDebug() << "Applying QSS: " << qss;
    this->setStyleSheet(qss);
    ui->setupUi(this);
    QTimer *t = new QTimer(this);
    t->setInterval(1000);
    connect(t, &QTimer::timeout, [=]() {
        if (_counter % 60 == 0) {
            this->reloadValues();
        }
        if (!_isLocked && _counter % 4 == 0) {
            _isLocked = ScreenSaver::isLocked();
        }
        _counter++;
        qlonglong now = QDateTime::currentMSecsSinceEpoch() / 1000;
        // Determine what's timing out next (session/schedule)
        const DeadlineType *type;
        qlonglong remaining = 0;
        do {
            qlonglong shutdownRemaining = _shutdownDeadline - now;
            qlonglong logoutRemaining = _logoutDeadline - now;
            if (shutdownRemaining > -330 && (shutdownRemaining < logoutRemaining || logoutRemaining <= -330)) {
                type = DeadlineType::Shutdown;
                remaining = shutdownRemaining;
            } else if (logoutRemaining > -330) {
                type = DeadlineType::IdleKill;
                remaining = logoutRemaining;
            } else {
                type = DeadlineType::NoTimeout;
            }
        } while (0);
        if (remaining < 0) {
            remaining = 0;
        }
        ui->lblHeader->setText(type->headerLine(_isLocked).arg(formatTime(remaining)));
        ui->lblClock->setText(QDateTime::currentDateTime().toString(QLocale().dateFormat() + "  HH:mm "));
        if (_deadlineType != type) {
            _deadlineType = type;
            ui->lblText->setText(type->bodyText(_isLocked));
        }
        bool shouldDisable = (remaining > 0 && remaining < 310);
        if (_standbyDisabled != shouldDisable) {
            _standbyDisabled = shouldDisable;
            if (shouldDisable) {
                ScreenSaver::allowSaverAndStandby(false);
                ScreenSaver::forceScreenOn();
            } else {
                ScreenSaver::allowSaverAndStandby(true);
            }
        }
    });
    t->start();
    reloadValues();
}

SaverWidget::~SaverWidget()
{
    delete ui;
}

void SaverWidget::reloadValues()
{
    if (_unixSocket != nullptr) {
        _unixSocket->blockSignals(true);
        _unixSocket->deleteLater();
    }
    _unixSocket = new QLocalSocket();
    connect(_unixSocket, &QLocalSocket::connected, [=]() {
        qDebug() << "Connected to daewmweon";
        _unixSocket->write((QLatin1String("get ") + _display).toLocal8Bit());
        QTimer::singleShot(1000, [this]() {
           _unixSocket->disconnectFromServer();
        });
    });
    connect(_unixSocket, QOverload<QLocalSocket::LocalSocketError>::of(&QLocalSocket::error), [=](QLocalSocket::LocalSocketError err) {
        qDebug() << "Local socket error:" << err;
    });
    connect(_unixSocket, &QLocalSocket::disconnected, this, &SaverWidget::parseDaemonData);
    _unixSocket->connectToServer("/run/idle-daemon");
}

void SaverWidget::parseDaemonData()
{
    QTextStream ts(_unixSocket);
    QString line;
#define SEC_NONE 0
#define SEC_GENERAL 1
#define SEC_ME 2
#define STORE(x) else if (key == QLatin1String( #x )) x = value.toString()
    int sec = SEC_NONE;
    QString nextAction, nextActionTime, logoutTime, locked;
    while (!ts.atEnd()) {
        line = ts.readLine();
        if (line.isEmpty())
            continue;
        if (line.at(0) == QLatin1Char('[')) {
            // Section
            if (line == QLatin1String("[General]")) {
                sec = SEC_GENERAL;
            } else if ( line == "[" + _display + "]") {
                sec = SEC_ME;
            } else {
                sec = SEC_NONE;
            }
        } else {
            // Value
            int i = line.indexOf(QLatin1Char('='));
            if (i == -1)
                continue;
            const QStringRef key(&line, 0, i);
            const QStringRef value(&line, i+ 1, line.size() - (i + 1));
            if (sec == SEC_GENERAL) {
                if (false);
                STORE(nextAction);
                STORE(nextActionTime);
            } else if (sec == SEC_ME) {
                if (false);
                STORE(logoutTime);
                STORE(locked);
            }
        }
    }
    if (nextAction.isEmpty() || nextAction == QLatin1String("none") || nextActionTime.isEmpty()) {
        _shutdownDeadline = 0;
    } else {
        _shutdownDeadline = nextActionTime.toLongLong();
    }
    _logoutDeadline = logoutTime.toLongLong();
    if (!_isLocked && locked.toInt() != 0) {
        _isLocked = true;
    }
    // TODO: Load text strings for everything
    _deadlineType = DeadlineType::Unknown;
}