1 files changed, 50 insertions, 0 deletions
diff --git a/comm/mailnews/mime/src/mimemalt.h b/comm/mailnews/mime/src/mimemalt.h
new file mode 100644
index 0000000000..622704d8f4
--- /dev/null
+++ b/comm/mailnews/mime/src/mimemalt.h
@@ -0,0 +1,50 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef _MIMEMALT_H_
+#define _MIMEMALT_H_
+
+#include "mimemult.h"
+#include "mimepbuf.h"
+
+/* The MimeMultipartAlternative class implements the multipart/alternative
+   MIME container, which displays only one (the `best') of a set of enclosed
+   documents.
+ */
+
+typedef struct MimeMultipartAlternativeClass MimeMultipartAlternativeClass;
+typedef struct MimeMultipartAlternative MimeMultipartAlternative;
+
+struct MimeMultipartAlternativeClass {
+  MimeMultipartClass multipart;
+};
+
+extern "C" MimeMultipartAlternativeClass mimeMultipartAlternativeClass;
+
+enum priority_t {
+  PRIORITY_UNDISPLAYABLE,
+  PRIORITY_LOW,
+  PRIORITY_TEXT_UNKNOWN,
+  PRIORITY_TEXT_PLAIN,
+  PRIORITY_NORMAL,
+  PRIORITY_HIGH,
+  PRIORITY_HIGHEST
+};
+
+struct MimeMultipartAlternative {
+  MimeMultipart multipart; /* superclass variables */
+
+  MimeHeaders** buffered_hdrs;       /* The headers of pending parts */
+  MimePartBufferData** part_buffers; /* The data of pending parts
+                                        (see mimepbuf.h) */
+  int32_t pending_parts;
+  int32_t max_parts;
+  priority_t buffered_priority; /* Priority of head of pending parts */
+};
+
+#define MimeMultipartAlternativeClassInitializer(ITYPE, CSUPER) \
+  { MimeMultipartClassInitializer(ITYPE, CSUPER) }
+
+#endif /* _MIMEMALT_H_ */