Implement a XSettings Class as interface to xmms2d's serverside config

lib/xsettings.cpp

@@ -0,0 +1,67 @@
+#include <xmmsclient/xmmsclient++.h>
+
+#include "xsettings.h"
+
+#include <QList>
+
+XSettings::XSettings (QObject *parent, XClient *client) : QObject (parent)
+{
+	connect (client, SIGNAL(gotConnection (XClient *)),
+	         this, SLOT (got_connection (XClient *)));
+
+	if (client->isConnected ()) {
+		got_connection (client);
+	}
+}
+
+QString
+XSettings::valueGet (QString key)
+{
+	/* local cache should be identical to serverside config */
+	return m_config_cache.value (key);
+}
+
+void
+XSettings::valueSet (QString key, QString val)
+{
+	/* Only send change request to server here
+	 * update of local cache will be done through handle_config_value_changed
+	 */
+	m_client->config ()->valueSet (key.toStdString (), val.toStdString ());
+}
+
+void
+XSettings::valueRegister (QString key, QString defval)
+{
+	m_client->config ()->valueRegister (key.toStdString (),
+	                                    defval.toStdString ());
+}
+
+void
+XSettings::got_connection (XClient *client)
+{
+	client->config ()->valueList ()
+	        (Xmms::bind (&XSettings::handle_config_value_changed, this));
+
+	client->config ()->broadcastValueChanged ()
+	        (Xmms::bind (&XSettings::handle_config_value_changed, this));
+
+	m_client = client;
+}
+
+bool
+XSettings::handle_config_value_changed (const Xmms::Dict &value)
+{
+	QHash <QString, QVariant> tmp = XClient::convert_dict(value); 
+
+	QHash<QString, QVariant>::const_iterator i = tmp.constBegin ();
+	while (i != tmp.constEnd ())
+	{
+		m_config_cache[i.key ()] = i.value ().toString ();
+		emit configChanged (i.key (), i.value ().toString ());
+		i++;
+	}
+
+	// TODO
+	return true;
+}