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transmission/qt/Application.cc

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/*
* This file Copyright (C) 2009-2015 Mnemosyne LLC
*
* It may be used under the GNU GPL versions 2 or 3
* or any future license endorsed by Mnemosyne LLC.
*
*/
#include <ctime>
#include <iostream>
#include <QIcon>
#include <QLibraryInfo>
#include <QMessageBox>
#include <QProcess>
#include <QRect>
#include <QSystemTrayIcon>
#ifdef QT_DBUS_LIB
#include <QDBusConnection>
#include <QDBusMessage>
#include <QDBusReply>
#endif
#include <libtransmission/transmission.h>
#include <libtransmission/tr-getopt.h>
#include <libtransmission/utils.h>
#include <libtransmission/version.h>
#include "AddData.h"
#include "Application.h"
#include "Formatter.h"
#include "InteropHelper.h"
#include "MainWindow.h"
#include "OptionsDialog.h"
#include "Prefs.h"
#include "Session.h"
#include "TorrentModel.h"
#include "WatchDir.h"
namespace
{
QLatin1String const MY_CONFIG_NAME("transmission");
QLatin1String const MY_READABLE_NAME("transmission-qt");
tr_option const opts[] =
{
{ 'g', "config-dir", "Where to look for configuration files", "g", 1, "<path>" },
{ 'm', "minimized", "Start minimized in system tray", "m", 0, nullptr },
{ 'p', "port", "Port to use when connecting to an existing session", "p", 1, "<port>" },
{ 'r', "remote", "Connect to an existing session at the specified hostname", "r", 1, "<host>" },
{ 'u', "username", "Username to use when connecting to an existing session", "u", 1, "<username>" },
{ 'v', "version", "Show version number and exit", "v", 0, nullptr },
{ 'w', "password", "Password to use when connecting to an existing session", "w", 1, "<password>" },
{ 0, nullptr, nullptr, nullptr, 0, nullptr }
};
char const* getUsage()
{
return "Usage:\n"
" transmission [OPTIONS...] [torrent files]";
}
enum
{
STATS_REFRESH_INTERVAL_MSEC = 3000,
SESSION_REFRESH_INTERVAL_MSEC = 3000,
MODEL_REFRESH_INTERVAL_MSEC = 3000
};
bool loadTranslation(QTranslator& translator, QString const& name, QLocale const& locale, QStringList const& searchDirectories)
{
for (QString const& directory : searchDirectories)
{
if (translator.load(locale, name, QLatin1String("_"), directory))
{
return true;
}
}
return false;
}
} // namespace
Application::Application(int& argc, char** argv) :
QApplication(argc, argv),
myPrefs(nullptr),
mySession(nullptr),
myModel(nullptr),
myWindow(nullptr),
myWatchDir(nullptr),
myLastFullUpdateTime(0)
{
setApplicationName(MY_CONFIG_NAME);
loadTranslations();
Formatter::initUnits();
#if defined(_WIN32) || defined(__APPLE__)
if (QIcon::themeName().isEmpty())
{
QIcon::setThemeName(QLatin1String("Faenza"));
}
#endif
// set the default icon
QIcon icon = QIcon::fromTheme(QLatin1String("transmission"));
if (icon.isNull())
{
QList<int> sizes;
sizes << 16 << 22 << 24 << 32 << 48 << 64 << 72 << 96 << 128 << 192 << 256;
for (int const size : sizes)
{
icon.addPixmap(QPixmap(QString::fromLatin1(":/icons/transmission-%1.png").arg(size)));
}
}
setWindowIcon(icon);
#ifdef __APPLE__
setAttribute(Qt::AA_DontShowIconsInMenus);
#endif
// parse the command-line arguments
int c;
bool minimized = false;
char const* optarg;
QString host;
QString port;
QString username;
QString password;
QString configDir;
QStringList filenames;
while ((c = tr_getopt(getUsage(), argc, const_cast<char const**>(argv), opts, &optarg)) != TR_OPT_DONE)
{
switch (c)
{
case 'g':
configDir = QString::fromUtf8(optarg);
break;
case 'p':
port = QString::fromUtf8(optarg);
break;
case 'r':
host = QString::fromUtf8(optarg);
break;
case 'u':
username = QString::fromUtf8(optarg);
break;
case 'w':
password = QString::fromUtf8(optarg);
break;
case 'm':
minimized = true;
break;
case 'v':
std::cerr << MY_READABLE_NAME.latin1() << ' ' << LONG_VERSION_STRING << std::endl;
quitLater();
return;
case TR_OPT_ERR:
std::cerr << qPrintable(QObject::tr("Invalid option")) << std::endl;
tr_getopt_usage(MY_READABLE_NAME.latin1(), getUsage(), opts);
quitLater();
return;
default:
filenames.append(QString::fromUtf8(optarg));
break;
}
}
// try to delegate the work to an existing copy of Transmission
// before starting ourselves...
InteropHelper interopClient;
if (interopClient.isConnected())
{
bool delegated = false;
for (QString const& filename : filenames)
{
QString metainfo;
AddData a(filename);
switch (a.type)
{
case AddData::URL:
metainfo = a.url.toString();
break;
case AddData::MAGNET:
metainfo = a.magnet;
break;
case AddData::FILENAME:
metainfo = QString::fromLatin1(a.toBase64());
break;
case AddData::METAINFO:
metainfo = QString::fromLatin1(a.toBase64());
break;
default:
break;
}
if (!metainfo.isEmpty() && interopClient.addMetainfo(metainfo))
{
delegated = true;
}
}
if (delegated)
{
quitLater();
return;
}
}
// set the fallback config dir
if (configDir.isNull())
{
configDir = QString::fromUtf8(tr_getDefaultConfigDir("transmission"));
}
// ensure our config directory exists
QDir dir(configDir);
if (!dir.exists())
{
dir.mkpath(configDir);
}
// is this the first time we've run transmission?
bool const firstTime = !dir.exists(QLatin1String("settings.json"));
// initialize the prefs
myPrefs = new Prefs(configDir);
if (!host.isNull())
{
myPrefs->set(Prefs::SESSION_REMOTE_HOST, host);
}
if (!port.isNull())
{
myPrefs->set(Prefs::SESSION_REMOTE_PORT, port.toUInt());
}
if (!username.isNull())
{
myPrefs->set(Prefs::SESSION_REMOTE_USERNAME, username);
}
if (!password.isNull())
{
myPrefs->set(Prefs::SESSION_REMOTE_PASSWORD, password);
}
if (!host.isNull() || !port.isNull() || !username.isNull() || !password.isNull())
{
myPrefs->set(Prefs::SESSION_IS_REMOTE, true);
}
if (myPrefs->getBool(Prefs::START_MINIMIZED))
{
minimized = true;
}
// start as minimized only if the system tray present
if (!myPrefs->getBool(Prefs::SHOW_TRAY_ICON))
{
minimized = false;
}
mySession = new Session(configDir, *myPrefs);
myModel = new TorrentModel(*myPrefs);
myWindow = new MainWindow(*mySession, *myPrefs, *myModel, minimized);
myWatchDir = new WatchDir(*myModel);
// when the session gets torrent info, update the model
connect(mySession, SIGNAL(torrentsUpdated(tr_variant*, bool)), myModel, SLOT(updateTorrents(tr_variant*, bool)));
connect(mySession, SIGNAL(torrentsUpdated(tr_variant*, bool)), myWindow, SLOT(refreshActionSensitivity()));
connect(mySession, SIGNAL(torrentsRemoved(tr_variant*)), myModel, SLOT(removeTorrents(tr_variant*)));
// when the session source gets changed, request a full refresh
connect(mySession, SIGNAL(sourceChanged()), this, SLOT(onSessionSourceChanged()));
// when the model sees a torrent for the first time, ask the session for full info on it
connect(myModel, SIGNAL(torrentsAdded(QSet<int>)), mySession, SLOT(initTorrents(QSet<int>)));
connect(myModel, SIGNAL(torrentsAdded(QSet<int>)), this, SLOT(onTorrentsAdded(QSet<int>)));
mySession->initTorrents();
mySession->refreshSessionStats();
// when torrents are added to the watch directory, tell the session
connect(myWatchDir, SIGNAL(torrentFileAdded(QString)), this, SLOT(addTorrent(QString)));
// init from preferences
QList<int> initKeys;
initKeys << Prefs::DIR_WATCH;
for (int const key : initKeys)
{
refreshPref(key);
}
connect(myPrefs, SIGNAL(changed(int)), this, SLOT(refreshPref(int const)));
QTimer* timer = &myModelTimer;
connect(timer, SIGNAL(timeout()), this, SLOT(refreshTorrents()));
timer->setSingleShot(false);
timer->setInterval(MODEL_REFRESH_INTERVAL_MSEC);
timer->start();
timer = &myStatsTimer;
connect(timer, SIGNAL(timeout()), mySession, SLOT(refreshSessionStats()));
timer->setSingleShot(false);
timer->setInterval(STATS_REFRESH_INTERVAL_MSEC);
timer->start();
timer = &mySessionTimer;
connect(timer, SIGNAL(timeout()), mySession, SLOT(refreshSessionInfo()));
timer->setSingleShot(false);
timer->setInterval(SESSION_REFRESH_INTERVAL_MSEC);
timer->start();
maybeUpdateBlocklist();
if (!firstTime)
{
mySession->restart();
}
else
{
myWindow->openSession();
}
if (!myPrefs->getBool(Prefs::USER_HAS_GIVEN_INFORMED_CONSENT))
{
QMessageBox* dialog = new QMessageBox(QMessageBox::Information, QString(),
tr("<b>Transmission is a file sharing program.</b>"), QMessageBox::Ok | QMessageBox::Cancel, myWindow);
dialog->setInformativeText(tr("When you run a torrent, its data will be made available to others by means of upload. "
"Any content you share is your sole responsibility."));
dialog->button(QMessageBox::Ok)->setText(tr("I &Agree"));
dialog->setDefaultButton(QMessageBox::Ok);
dialog->setModal(true);
connect(dialog, SIGNAL(finished(int)), this, SLOT(consentGiven(int)));
dialog->setAttribute(Qt::WA_DeleteOnClose);
dialog->show();
}
for (QString const& filename : filenames)
{
addTorrent(filename);
}
InteropHelper::registerObject(this);
}
void Application::loadTranslations()
{
QStringList const qtQmDirs = QStringList() << QLibraryInfo::location(QLibraryInfo::TranslationsPath) <<
#ifdef TRANSLATIONS_DIR
QString::fromUtf8(TRANSLATIONS_DIR) <<
#endif
(applicationDirPath() + QLatin1String("/translations"));
QStringList const appQmDirs = QStringList() <<
#ifdef TRANSLATIONS_DIR
QString::fromUtf8(TRANSLATIONS_DIR) <<
#endif
(applicationDirPath() + QLatin1String("/translations"));
QString const qtFileName = QLatin1String("qtbase");
QLocale const locale;
QLocale const englishLocale(QLocale::English, QLocale::UnitedStates);
if (loadTranslation(myQtTranslator, qtFileName, locale, qtQmDirs) ||
loadTranslation(myQtTranslator, qtFileName, englishLocale, qtQmDirs))
{
installTranslator(&myQtTranslator);
}
if (loadTranslation(myAppTranslator, MY_CONFIG_NAME, locale, appQmDirs) ||
loadTranslation(myAppTranslator, MY_CONFIG_NAME, englishLocale, appQmDirs))
{
installTranslator(&myAppTranslator);
}
}
void Application::quitLater()
{
QTimer::singleShot(0, this, SLOT(quit()));
}
/* these functions are for popping up desktop notifications */
void Application::onTorrentsAdded(QSet<int> const& torrents)
{
if (!myPrefs->getBool(Prefs::SHOW_NOTIFICATION_ON_ADD))
{
return;
}
for (int const id : torrents)
{
Torrent* tor = myModel->getTorrentFromId(id);
if (tor->name().isEmpty()) // wait until the torrent's INFO fields are loaded
{
connect(tor, SIGNAL(torrentChanged(int)), this, SLOT(onNewTorrentChanged(int)));
}
else
{
onNewTorrentChanged(id);
if (!tor->isSeed())
{
connect(tor, SIGNAL(torrentCompleted(int)), this, SLOT(onTorrentCompleted(int)));
}
}
}
}
void Application::onTorrentCompleted(int id)
{
Torrent* tor = myModel->getTorrentFromId(id);
if (tor != nullptr)
{
if (myPrefs->getBool(Prefs::SHOW_NOTIFICATION_ON_COMPLETE))
{
notifyApp(tr("Torrent Completed"), tor->name());
}
if (myPrefs->getBool(Prefs::COMPLETE_SOUND_ENABLED))
{
#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
beep();
#else
QProcess::execute(myPrefs->getString(Prefs::COMPLETE_SOUND_COMMAND));
#endif
}
disconnect(tor, SIGNAL(torrentCompleted(int)), this, SLOT(onTorrentCompleted(int)));
}
}
void Application::onNewTorrentChanged(int id)
{
Torrent* tor = myModel->getTorrentFromId(id);
if (tor != nullptr && !tor->name().isEmpty())
{
int const age_secs = tor->dateAdded().secsTo(QDateTime::currentDateTime());
if (age_secs < 30)
{
notifyApp(tr("Torrent Added"), tor->name());
}
disconnect(tor, SIGNAL(torrentChanged(int)), this, SLOT(onNewTorrentChanged(int)));
if (!tor->isSeed())
{
connect(tor, SIGNAL(torrentCompleted(int)), this, SLOT(onTorrentCompleted(int)));
}
}
}
/***
****
***/
void Application::consentGiven(int result)
{
if (result == QMessageBox::Ok)
{
myPrefs->set<bool>(Prefs::USER_HAS_GIVEN_INFORMED_CONSENT, true);
}
else
{
quit();
}
}
Application::~Application()
{
if (myPrefs != nullptr && myWindow != nullptr)
{
QRect const mainwinRect(myWindow->geometry());
myPrefs->set(Prefs::MAIN_WINDOW_HEIGHT, std::max(100, mainwinRect.height()));
myPrefs->set(Prefs::MAIN_WINDOW_WIDTH, std::max(100, mainwinRect.width()));
myPrefs->set(Prefs::MAIN_WINDOW_X, mainwinRect.x());
myPrefs->set(Prefs::MAIN_WINDOW_Y, mainwinRect.y());
}
delete myWatchDir;
delete myWindow;
delete myModel;
delete mySession;
delete myPrefs;
}
/***
****
***/
void Application::refreshPref(int key)
{
switch (key)
{
case Prefs::BLOCKLIST_UPDATES_ENABLED:
maybeUpdateBlocklist();
break;
case Prefs::DIR_WATCH:
case Prefs::DIR_WATCH_ENABLED:
{
QString const path(myPrefs->getString(Prefs::DIR_WATCH));
bool const isEnabled(myPrefs->getBool(Prefs::DIR_WATCH_ENABLED));
myWatchDir->setPath(path, isEnabled);
break;
}
default:
break;
}
}
void Application::maybeUpdateBlocklist()
{
if (!myPrefs->getBool(Prefs::BLOCKLIST_UPDATES_ENABLED))
{
return;
}
QDateTime const lastUpdatedAt = myPrefs->getDateTime(Prefs::BLOCKLIST_DATE);
QDateTime const nextUpdateAt = lastUpdatedAt.addDays(7);
QDateTime const now = QDateTime::currentDateTime();
if (now < nextUpdateAt)
{
mySession->updateBlocklist();
myPrefs->set(Prefs::BLOCKLIST_DATE, now);
}
}
void Application::onSessionSourceChanged()
{
mySession->initTorrents();
mySession->refreshSessionStats();
mySession->refreshSessionInfo();
}
void Application::refreshTorrents()
{
// usually we just poll the torrents that have shown recent activity,
// but we also periodically ask for updates on the others to ensure
// nothing's falling through the cracks.
time_t const now = time(nullptr);
if (myLastFullUpdateTime + 60 >= now)
{
mySession->refreshActiveTorrents();
}
else
{
myLastFullUpdateTime = now;
mySession->refreshAllTorrents();
}
}
/***
****
***/
void Application::addTorrent(QString const& key)
{
AddData const addme(key);
if (addme.type != addme.NONE)
{
addTorrent(addme);
}
}
void Application::addTorrent(AddData const& addme)
{
if (!myPrefs->getBool(Prefs::OPTIONS_PROMPT))
{
mySession->addTorrent(addme);
}
else
{
OptionsDialog* o = new OptionsDialog(*mySession, *myPrefs, addme, myWindow);
o->show();
}
raise();
}
/***
****
***/
void Application::raise()
{
alert(myWindow);
}
bool Application::notifyApp(QString const& title, QString const& body) const
{
#ifdef QT_DBUS_LIB
QLatin1String const dbusServiceName("org.freedesktop.Notifications");
QLatin1String const dbusInterfaceName("org.freedesktop.Notifications");
QLatin1String const dbusPath("/org/freedesktop/Notifications");
QDBusConnection bus = QDBusConnection::sessionBus();
if (bus.isConnected())
{
QDBusMessage m = QDBusMessage::createMethodCall(dbusServiceName, dbusPath, dbusInterfaceName, QLatin1String("Notify"));
QVariantList args;
args.append(QLatin1String("Transmission")); // app_name
args.append(0U); // replaces_id
args.append(QLatin1String("transmission")); // icon
args.append(title); // summary
args.append(body); // body
args.append(QStringList()); // actions - unused for plain passive popups
args.append(QVariantMap()); // hints - unused atm
args.append(static_cast<int32_t>(-1)); // use the default timeout period
m.setArguments(args);
QDBusReply<quint32> const replyMsg = bus.call(m);
if (replyMsg.isValid() && replyMsg.value() > 0)
{
return true;
}
}
#endif
myWindow->trayIcon().showMessage(title, body);
return true;
}
FaviconCache& Application::faviconCache()
{
return myFavicons;
}
/***
****
***/
int tr_main(int argc, char* argv[])
{
InteropHelper::initialize();
#if QT_VERSION >= QT_VERSION_CHECK(5, 6, 0)
Application::setAttribute(Qt::AA_EnableHighDpiScaling);
#endif
Application::setAttribute(Qt::AA_UseHighDpiPixmaps);
Application app(argc, argv);
return app.exec();
}
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