OTHER: read support for zipped skins

For now, zipped skins don't show up in the selection dialog yet
But they are loaded when set in the config file

dir_iterator/archivereaddevice.cpp

@@ -0,0 +1,45 @@
+/**
+ *  This file is a part of Promoe, an XMMS2 Client.
+ *
+ *  Copyright (C) 2010 XMMS2 Team
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2.1 of the License, or (at your option) any later version.
+ *
+ *  This library 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
+ *  Lesser General Public License for more details.
+ */
+
+
+#include "archivereaddevice.h"
+
+#include "promoe_config.h"
+
+#include <QtDebug>
+
+ArchiveReadDevice::ArchiveReadDevice (ArchiveIterator *parent,
+                                      const QString &name)
+	: QIODevice (parent), m_iter(parent), m_atEnd(false)
+{
+	setObjectName (name);
+	setOpenMode (QIODevice::ReadOnly);
+}
+
+qint64
+ArchiveReadDevice::readData (char* buf, qint64 size)
+{
+	if (!isOpen ()) {
+		return -1;
+	}
+	qint64 ret = m_iter->readData (buf, size);
+	if (ret <= 0) {
+		m_atEnd = true;
+	}
+	return ret;
+}
+
+#include "archivereaddevice.moc"