renamed XSettings to XConfig.

lib/xconfig.cpp

@@ -0,0 +1,127 @@
+/**
+ *	This file is a part of Promoe, an XMMS2 Client
+ *
+ *	Copyright (C) 2007,2008 Thomas Frauendorfer
+ *
+ *	This program is free software; you can redistribute it and/or
+ *	modify it under the terms of the GNU General Public License
+ *	as published by the Free Software Foundation; either version 2
+ *	of the License, or (at your option) any later version.
+ *
+ *	This program is distributed in the hope that it will be useful,
+ *	but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *	GNU General Public License for more details.
+ */
+
+#include <xmmsclient/xmmsclient++.h>
+
+#include "xconfig.h"
+
+#include <QList>
+
+XConfig::XConfig (QObject *parent, XClient *client) : QObject (parent)
+{
+	m_ready = false;
+
+	connect (client, SIGNAL (gotConnection (XClient *)),
+	         this, SLOT (on_connect (XClient *)));
+
+	connect (client, SIGNAL (disconnected (XClient *)),
+	         this, SLOT (on_disconnect (XClient *)));
+
+	if (client->isConnected ()) {
+		on_connect (client);
+	}
+}
+
+QString
+XConfig::value_get (QString key)
+{
+	/* if XConfig is ready, the local cache should be in sync with the
+	 * serverside configuration, otherwise the cache is empty */
+	if (!m_ready) {
+		return QString ();
+	}
+	return m_config_cache.value (key);
+}
+
+bool
+XConfig::value_set (QString key, QString val)
+{
+	/* Only send change request to server here
+	 * update of local cache will be done through handle_config_value_changed
+	 */
+	if (!m_client->isConnected ()) {
+		return false;
+	}
+	// Only send change, if the value really changed;
+	if (val == value_get (key))
+		return true;
+
+	m_client->config ()->valueSet (key.toStdString (), val.toStdString ());
+
+	return true;
+}
+
+bool
+XConfig::value_register (QString key, QString defval)
+{
+	if (!m_client->isConnected ()) {
+		return false;
+	}
+	m_client->config ()->valueRegister (key.toStdString (),
+	                                    defval.toStdString ());
+
+	return true;
+}
+
+void
+XConfig::on_connect (XClient *client)
+{
+	client->config ()->valueList ()
+	        (Xmms::bind (&XConfig::handle_config_value, this));
+
+	client->config ()->broadcastValueChanged ()
+	        (Xmms::bind (&XConfig::handle_config_value_changed, this));
+
+	m_client = client;
+}
+
+void
+XConfig::on_disconnect (XClient *client)
+{
+	/* We don't emit any signals here, as every class must be able to
+	 * react on the configChanged signal, which will be fired for every
+	 * configvalue on reonnect
+	 */
+	m_ready = false;
+	m_config_cache.clear ();
+}
+
+bool
+XConfig::handle_config_value (const Xmms::Dict &value)
+{
+	bool ok = handle_config_value_changed (value);
+	if (ok) {
+		m_ready = true;
+	}
+	return ok;
+}
+
+bool
+XConfig::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;
+}