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diff --git a/framework/src/domain/mime/mimetreeparser/util.h b/framework/src/domain/mime/mimetreeparser/util.h
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+/*
+  Copyright (c) 2016 Sandro Knauß <sknauss@kde.org>
+
+  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.
+
+  You should have received a copy of the GNU General Public License along
+  with this program; if not, write to the Free Software Foundation, Inc.,
+  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+#ifndef __MIMETREEPARSER_UTILS_UTIL_H__
+#define __MIMETREEPARSER_UTILS_UTIL_H__
+
+#include <QString>
+
+class QMimeType;
+
+namespace KMime
+{
+class Content;
+}
+
+namespace MimeTreeParser
+{
+
+/**
+ * The Util namespace contains a collection of helper functions use in
+ * various places.
+ */
+namespace Util
+{
+
+/**
+      * Describes the type of the displayed message. This depends on the MIME structure
+      * of the mail and on whether HTML mode is enabled (which is decided by htmlMail())
+      */
+enum HtmlMode {
+    Normal,         ///< A normal plaintext message, non-multipart
+    Html,           ///< A HTML message, non-multipart
+    MultipartPlain, ///< A multipart/alternative message, the plain text part is currently displayed
+    MultipartHtml,  ///< A multipart/altervative message, the HTML part is currently displayed
+    MultipartIcal   ///< A multipart/altervative message, the ICal part is currently displayed
+};
+
+bool isTypeBlacklisted(KMime::Content *node);
+
+QString labelForContent(KMime::Content *node);
+
+QMimeType mimetype(const QString &name);
+
+QString iconNameForMimetype(const QString &mimeType,
+        const QString &fallbackFileName1 = QString(),
+        const QString &fallbackFileName2 = QString());
+
+QString iconNameForContent(KMime::Content *node);
+}
+}
+
+#endif