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#include <QtCore/QDebug>
#include <sowatch.h>
#include "daemon.h"
using namespace sowatch;
Daemon::Daemon(QObject *parent) :
QObject(parent),
_registry(Registry::registry()),
_config(new GConfKey("/apps/sowatch", this)),
_watches_list(_config->getSubkey("watches", this)),
_status_mapper(new QSignalMapper(this))
{
connect(_config, SIGNAL(subkeyChanged(QString)),
SLOT(handleSettingsChanged(QString)));
connect(_status_mapper, SIGNAL(mapped(QString)),
SLOT(handleWatchStatusChange(QString)));
startEnabledWatches();
}
QString Daemon::getWatchStatus(const QString &name)
{
if (_servers.contains(name)) {
WatchServer* server = _servers[name];
Watch* watch = server->watch();
if (watch->isConnected()) {
return QLatin1String("connected");
} else {
return QLatin1String("enabled");
}
} else {
return QLatin1String("disabled");
}
}
void Daemon::terminate()
{
QApplication::quit();
}
void Daemon::startWatch(const QString &name)
{
qDebug() << "Starting watch" << name;
QScopedPointer<ConfigKey> watchSettings(_config->getSubkey(name));
const QString driver = watchSettings->value("driver").toString().toLower();
if (driver.isEmpty()) {
qWarning() << "Watch" << name << "has no driver setting";
return;
}
WatchPluginInterface *watchPlugin = _registry->getWatchPlugin(driver);
if (!watchPlugin) {
qWarning() << "Invalid driver" << driver;
return;
}
// Create the watch object from the plugin
Watch *watch = watchPlugin->getWatch(driver, watchSettings.data(), this);
if (!watch) {
qWarning() << "Driver" << driver << "failed to initiate watch";
}
// Create the server
WatchServer* server = new WatchServer(watch, this);
_servers[name] = server;
handleWatchStatusChange(name);
// Connect watch status signals
_status_mapper->setMapping(watch, name);
connect(watch, SIGNAL(connected()),
_status_mapper, SLOT(map()));
connect(watch, SIGNAL(disconnected()),
_status_mapper, SLOT(map()));
// Configure the server
server->setNextWatchletButton(watchSettings->value("next-watchlet-button").toString());
// Initialize providers
QStringList list;
list = watchSettings->value("active-notifications").toStringList();
foreach (const QString& s, list) {
QScopedPointer<ConfigKey> settings(watchSettings->getSubkey(s));
QString id = settings->value("id").toString().toLower();
NotificationPluginInterface *plugin = _registry->getNotificationPlugin(id);
if (plugin) {
NotificationProvider *provider = plugin->getProvider(id, settings.data(), server);
server->addProvider(provider);
} else {
qWarning() << "Unknown notification provider" << id;
}
}
// Initialize watchlets
list = watchSettings->value("active-watchlets").toStringList();
foreach (const QString& s, list) {
QScopedPointer<ConfigKey> settings(watchSettings->getSubkey(s));
QString id = settings->value("id").toString().toLower();
WatchletPluginInterface *plugin = _registry->getWatchletPlugin(id);
if (plugin) {
Watchlet *watchlet = plugin->getWatchlet(id, settings.data(), server);
server->addWatchlet(watchlet);
} else {
qWarning() << "Unknown watchlet" << id;
}
}
}
void Daemon::stopWatch(const QString &name)
{
qDebug() << "Stopping watch" << name;
WatchServer* server = _servers[name];
Watch* watch = server->watch();
server->deleteLater();
watch->deleteLater();
_servers.remove(name);
handleWatchStatusChange(name);
}
void Daemon::startEnabledWatches()
{
QStringList watches = _watches_list->value().toStringList();
QSet<QString> startedWatches = _servers.keys().toSet();
QSet<QString> removed = startedWatches - watches.toSet();
// Those watches have been entirely removed from the list, not disabled first
foreach (const QString& s, removed) {
stopWatch(s);
}
foreach (const QString& s, watches) {
bool enabled_in_config = _config->value(s + "/enable").toBool();
bool currently_started = _servers.contains(s);
if (enabled_in_config && !currently_started) {
startWatch(s);
} else if (currently_started && !enabled_in_config) {
stopWatch(s);
}
}
}
void Daemon::handleSettingsChanged(const QString &subkey)
{
qDebug() << "Daemon settings changed" << subkey;
static QRegExp enabled_key_pattern("^([^/])/enable$");
if (enabled_key_pattern.exactMatch(subkey)) {
QStringList watches = _watches_list->value().toStringList();
QString watchName = enabled_key_pattern.cap(1);
bool enabled_in_config = _config->value(subkey).toBool();
bool currently_started = _servers.contains(watchName);
if (enabled_in_config && !currently_started) {
startWatch(watchName);
} else if (currently_started && !enabled_in_config) {
stopWatch(watchName);
}
} else if (subkey == "watches") {
startEnabledWatches();
}
}
void Daemon::handleWatchStatusChange(const QString &name)
{
if (_servers.contains(name)) {
WatchServer* server = _servers[name];
Watch* watch = server->watch();
if (watch->isConnected()) {
emit WatchStatusChanged(name, QLatin1String("connected"));
} else {
emit WatchStatusChanged(name, QLatin1String("enabled"));
}
} else if (_watches_list->value().toStringList().contains(name)) {
emit WatchStatusChanged(name, QLatin1String("disabled"));
} else {
emit WatchStatusChanged(name, QLatin1String("unconfigured"));
}
}
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