1 files changed, 63 insertions, 0 deletions
diff --git a/src/VBox/GuestHost/DragAndDrop/DnDMIME.cpp b/src/VBox/GuestHost/DragAndDrop/DnDMIME.cpp
new file mode 100644
index 00000000..ea7096ed
--- /dev/null
+++ b/src/VBox/GuestHost/DragAndDrop/DnDMIME.cpp
@@ -0,0 +1,63 @@
+/* $Id: DnDMIME.cpp $ */
+/** @file
+ * DnD - Path list class.
+ */
+
+/*
+ * Copyright (C) 2014-2022 Oracle and/or its affiliates.
+ *
+ * This file is part of VirtualBox base platform packages, as
+ * available from https://www.virtualbox.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, in version 3 of the
+ * License.
+ *
+ * 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, see <https://www.gnu.org/licenses>.
+ *
+ * SPDX-License-Identifier: GPL-3.0-only
+ */
+
+
+/*********************************************************************************************************************************
+*   Header Files                                                                                                                 *
+*********************************************************************************************************************************/
+#define LOG_GROUP LOG_GROUP_GUEST_DND
+#include <VBox/GuestHost/DragAndDrop.h>
+
+#include <iprt/string.h>
+
+
+/**
+ * Returns whether a given MIME format contains file URLs we can work with or not.
+ *
+ * @returns \c true if the format contains file URLs, \c false if not.
+ * @param   pcszFormat          MIME format to check.
+ * @param   cchFormatMax        Maximum characters of MIME format to check.
+ */
+bool DnDMIMEHasFileURLs(const char *pcszFormat, size_t cchFormatMax)
+{
+    /** @todo "text/uri" also an official variant? */
+    return (   RTStrNICmp(pcszFormat, "text/uri-list", cchFormatMax)             == 0
+            || RTStrNICmp(pcszFormat, "x-special/gnome-icon-list", cchFormatMax) == 0);
+}
+
+/**
+ * Returns whether a given MIME format needs an own "Dropped Files" directory or not.
+ *
+ * @returns \c true if the format needs an own "Dropped Files" directory, \c false if not.
+ * @param   pcszFormat          MIME format to check.
+ * @param   cchFormatMax        Maximum characters of MIME format to check.
+ */
+bool DnDMIMENeedsDropDir(const char *pcszFormat, size_t cchFormatMax)
+{
+    return DnDMIMEHasFileURLs(pcszFormat, cchFormatMax);
+}
+