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#include "watchhandler.h"
using namespace sowatch;
WatchHandler::WatchHandler(ConfigKey *config, QObject *parent)
: QObject(parent),
_config(config->getSubkey("", this))
{
Registry *registry = Registry::registry();
qDebug() << "Starting watch handler on" << _config->key();
connect(_config, SIGNAL(subkeyChanged(QString)),
SLOT(handleConfigSubkeyChanged(QString)));
// Connect to the registry in case plugins are unloaded
connect(registry, SIGNAL(driverUnloaded(QString)),
SLOT(handleDriverUnloaded(QString)));
connect(registry, SIGNAL(watchletLoaded(QString)),
SLOT(updateWatchlets()));
connect(registry, SIGNAL(watchletUnloaded(QString)),
SLOT(handleWatchletUnloaded(QString)));
connect(registry, SIGNAL(notificationProviderLoaded(QString)),
SLOT(updateProviders()));
connect(registry, SIGNAL(notificationProviderUnloaded(QString)),
SLOT(handleProviderUnloaded(QString)));
// Get the watch driver
const QString driver = _config->value("driver").toString();
if (driver.isEmpty()) {
qWarning() << "Watch" << _config->value("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 = watchPlugin->getWatch(driver, _config, this);
if (!_watch) {
qWarning() << "Driver" << driver << "failed to initiate watch";
return;
}
// Setup watch status connections
connect(_watch, SIGNAL(connected()),
SIGNAL(statusChanged()));
connect(_watch, SIGNAL(disconnected()),
SIGNAL(statusChanged()));
// Now create the UI server
_server = new WatchServer(_watch, this);
// Configure the server
_server->setNextWatchletButton(_config->value("next-watchlet-button").toString());
updateProviders();
updateWatchlets();
}
QString WatchHandler::status() const
{
if (_watch && _watch->isConnected()) {
return "connected";
} else if (_config->value("enable").toBool()) {
return "enabled";
} else {
return "disabled";
}
}
void WatchHandler::updateWatchlets()
{
Registry *registry = Registry::registry();
if (!_server) return;
QStringList newWatchlets = _config->value("watchlets").toStringList();
QStringList curWatchlets = _watchlet_order;
if (newWatchlets == curWatchlets) return; // Nothing to do
// TODO: Something better than removing all and readding
foreach (const QString& s, curWatchlets) {
Watchlet* watchlet = _watchlets[s];
_server->removeWatchlet(watchlet);
delete watchlet;
}
_watchlet_order.clear();
_watchlets.clear();
foreach (const QString& s, newWatchlets) {
WatchletPluginInterface *plugin = registry->getWatchletPlugin(s);
if (!plugin) {
qWarning() << "Unknown watchlet" << s;
continue;
}
ConfigKey *subconfig = _config->getSubkey(s);
Watchlet* watchlet = plugin->getWatchlet(s, subconfig, _server);
_watchlet_order << s;
_watchlets[s] = watchlet;
_server->addWatchlet(watchlet);
delete subconfig;
}
qDebug() << "Watchlets reloaded";
}
void WatchHandler::updateProviders()
{
Registry *registry = Registry::registry();
if (!_server) return;
QSet<QString> curProviders = _providers.keys().toSet();
QSet<QString> newProviders = _config->value("providers").toStringList().toSet();
QSet<QString> removed = curProviders - newProviders;
QSet<QString> added = newProviders - curProviders;
foreach (const QString& s, removed) {
NotificationProvider *provider = _providers[s];
_server->removeProvider(provider);
delete provider;
}
foreach (const QString& s, added) {
NotificationPluginInterface *plugin = registry->getNotificationPlugin(s);
if (!plugin) {
qWarning() << "Unknown notification provider" << s;
continue;
}
ConfigKey *subconfig = _config->getSubkey(s);
NotificationProvider *provider = plugin->getProvider(s, subconfig, _server);
_server->addProvider(provider);
_providers[s] = provider;
delete subconfig;
}
}
void WatchHandler::handleConfigSubkeyChanged(const QString &subkey)
{
if (subkey == "watchlets") {
updateWatchlets();
} else if (subkey == "providers") {
updateProviders();
} else if (subkey == "next-watchlet-button" && _server) {
_server->setNextWatchletButton(_config->value("next-watchlet-button").toString());
}
}
void WatchHandler::handleDriverUnloaded(const QString &id)
{
if (id == _config->value("driver").toString()) {
// Emergency disconnection!
qWarning("Unloading driver of active watch!");
if (_server) {
delete _server;
_server = 0;
}
if (_watch) {
delete _watch;
_watch = 0;
}
emit statusChanged();
}
}
void WatchHandler::handleWatchletUnloaded(const QString &id)
{
if (_watchlets.contains(id)) {
qDebug() << "Unloading watchlet" << id << "from watch";
Watchlet* watchlet = _watchlets[id];
_server->removeWatchlet(watchlet);
_watchlets.remove(id);
delete watchlet;
}
}
void WatchHandler::handleProviderUnloaded(const QString &id)
{
if (_providers.contains(id)) {
qDebug() << "Unloading provider" << id << "from watch";
NotificationProvider *provider = _providers[id];
_server->removeProvider(provider);
_providers.remove(id);
delete provider;
}
}
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