Completed transition to the new mail API; ie. it compiles.

* Completely untested yet. Unlikely to work yet.

headers/private/mail/MailPrivate.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2011, Haiku Inc. All Rights Reserved.
+ * Copyright 2011-2012, Haiku Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  */
 #ifndef MAIL_PRIVATE_H
@@ -12,13 +12,33 @@
 
 namespace BPrivate {
 
+
+#define B_MAIL_DAEMON_SIGNATURE "application/x-vnd.Be-POST"
+
+
+// mail daemon & protocol message constants
+const uint32 kMsgCheckAndSend = 'mbth';
+const uint32 kMsgCheckMessage = 'mnow';
+const uint32 kMsgSendMessages = 'msnd';
+const uint32 kMsgSettingsUpdated = 'mrrs';
+const uint32 kMsgAccountsChanged = 'macc';
+const uint32 kMsgSetStatusWindowMode = 'shst';
+const uint32 kMsgCountNewMessages = 'mnum';
+const uint32 kMsgMarkMessageAsRead = 'mmar';
+const uint32 kMsgFetchBody = 'mfeb';
+const uint32 kMsgBodyFetched = 'mbfe';
+const uint32 kMsgSyncMessages = '&SyM';
+
+
 BPath default_mail_directory();
 BPath default_mail_in_directory();
 BPath default_mail_out_directory();
 
+
 status_t WriteMessageFile(const BMessage& archive, const BPath& path,
 	const char* name);
 
+
 }	// namespace BPrivate