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90 lines
2.9 KiB
90 lines
2.9 KiB
#include "ipcfilewatcher.h"
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#include "orchestrator.h"
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#include "mainwindow.h"
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#include "conffilehandlerdialog.h"
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#include <QApplication>
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#include <QDialog>
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#include <QLocale>
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#include <QProcess>
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#include <QTranslator>
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int main(int argc, char *argv[])
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{
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QApplication a(argc, argv);
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QTranslator translator;
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const QStringList uiLanguages = QLocale::system().uiLanguages();
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for (const QString &locale : uiLanguages) {
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const QString baseName = "lubuntu-update_" + QLocale(locale).name();
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if (translator.load(":/i18n/" + baseName)) {
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a.installTranslator(&translator);
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break;
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}
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}
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/*
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* If Lubuntu Update is already running, create
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* /dev/shm/lubuntu-update/lubuntu-update-show-win and exit. This will
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* trigger the existing process to pop up a window.
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*/
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QProcess procDetector;
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procDetector.setProgram("/usr/bin/bash");
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procDetector.setArguments(QStringList() << "-c" << "ps axo comm | grep lubuntu-update");
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procDetector.start();
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procDetector.waitForFinished();
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QString procDetectResult = procDetector.readAllStandardOutput();
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procDetectResult = procDetectResult.trimmed();
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QStringList procDetectResultList = procDetectResult.split('\n');
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if (procDetectResultList.count() > 1) {
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QFile flagFile("/dev/shm/lubuntu-update/lubuntu-update-show-win");
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flagFile.open(QFile::WriteOnly);
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flagFile.close();
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return 0;
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}
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// Don't want the updater to stop just because the user closed it :P
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a.setQuitOnLastWindowClosed(false);
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/*
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* IPCFileWatcher just watches the /dev/shm/lubuntu-update folder for the
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* creation of a lubuntu-update-show-win file. If it detects it, it
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* immediately deletes it and emits a signal. This is then used later to
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* cause the updater window to pop up.
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*/
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IPCFileWatcher *p = new IPCFileWatcher();
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if (p->didInitFail()) {
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return 1;
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}
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/*
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* As this is a background process, we don't pop up any window upon
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* startup. An Orchestrator object periodically checks to see if new
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* updates have been detected, and offers them to the user (by displaying
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* a tray icon) if so. The user can click on this tray icon to see the
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* updater window.
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*
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* Orchestrator's constructor automatically starts the update checker, so
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* there's no need to do anything with this except create it and then
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* start the event loop.
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*/
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Orchestrator *o = new Orchestrator();
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QObject::connect(p, &IPCFileWatcher::showWindowFlagDetected, o, &Orchestrator::displayUpdater);
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/*
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* This is an artifact from testing the conffile handler window. You can
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* uncomment this and rebuild lubuntu-update in order to test the conffile
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* handler UI and develop it further.
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*
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* ConffileHandlerDialog cfhd(QStringList() << "/home/user/testfile");
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* cfhd.show();
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*/
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return a.exec();
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}
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