From 58a8cc21b6145b5862bf54704e581eb571dce8c4 Mon Sep 17 00:00:00 2001
From: teranisi <teranisi>
Date: Wed, 3 Oct 2001 08:40:11 +0000
Subject: [PATCH] * elmo-imap4.el (elmo-imap4-seen-messages): New buffer local
 variable. (elmo-imap4-fetch-callback-1-subr): Save
 important message numbers to elmo-imap4-seen-messages.
 (elmo-folder-msgdb-create-plugged): Initialize
 elmo-imap4-seen-messages; Set seen mark on
 elmo-imap4-seen-messages.

---
 elmo/ChangeLog     |    7 +++++++
 elmo/elmo-imap4.el |   34 ++++++++++++++++++++++------------
 2 files changed, 29 insertions(+), 12 deletions(-)

diff --git a/elmo/ChangeLog b/elmo/ChangeLog
index b242ef9..8b0dd0d 100644
--- a/elmo/ChangeLog
+++ b/elmo/ChangeLog
@@ -1,5 +1,12 @@
 2001-10-03  Yuuichi Teranishi  <teranisi@gohome.org>
 
+	* elmo-imap4.el (elmo-imap4-seen-messages): New buffer local variable.
+	(elmo-imap4-fetch-callback-1-subr): Save important message numbers to
+	elmo-imap4-seen-messages.
+	(elmo-folder-msgdb-create-plugged): Initialize
+	elmo-imap4-seen-messages;
+	Set seen mark on elmo-imap4-seen-messages.
+
 	* elmo-pipe.el (elmo-folder-message-file-p): Define.
 
 	* elmo.el (elmo-generic-folder-append-messages): Check return value of
diff --git a/elmo/elmo-imap4.el b/elmo/elmo-imap4.el
index c8337c9..3bdc212 100644
--- a/elmo/elmo-imap4.el
+++ b/elmo/elmo-imap4.el
@@ -109,6 +109,7 @@
 
 ;;; XXX Temporal implementation
 (defvar elmo-imap4-current-msgdb nil)
+(defvar elmo-imap4-seen-messages nil)
 
 (defvar elmo-imap4-local-variables
   '(elmo-imap4-status
@@ -123,7 +124,8 @@
     elmo-imap4-fetch-callback-data
     elmo-imap4-status-callback
     elmo-imap4-status-callback-data
-    elmo-imap4-current-msgdb))
+    elmo-imap4-current-msgdb
+    elmo-imap4-seen-messages))
 
 ;;;;
 
@@ -766,20 +768,25 @@ If CHOP-LENGTH is not specified, message set is not chopped."
 	 mark)
     (if (member "\\Flagged" flags)
 	(elmo-msgdb-global-mark-set (car entity) (nth 3 app-data)))
-    (setq mark (or (elmo-msgdb-global-mark-get (car entity))
-		   (if (elmo-file-cache-status
-			(elmo-file-cache-get (car entity)))
+    (if (setq mark (elmo-msgdb-global-mark-get (car entity)))
+	(unless (member "\\Seen" flags)
+	  (setq elmo-imap4-seen-messages
+		(cons
+		 (elmo-msgdb-overview-entity-get-number entity)
+		 elmo-imap4-seen-messages)))
+      (setq mark (or (if (elmo-file-cache-status
+			  (elmo-file-cache-get (car entity)))
+			 (if (or seen
+				 (and use-flag
+				      (member "\\Seen" flags)))
+			     nil
+			   (nth 1 app-data))
 		       (if (or seen
 			       (and use-flag
 				    (member "\\Seen" flags)))
-			   nil
-			 (nth 1 app-data))
-		     (if (or seen
-			     (and use-flag
-				  (member "\\Seen" flags)))
-			 (if elmo-imap4-use-cache
-			     (nth 2 app-data))
-		       (nth 0 app-data)))))
+			   (if elmo-imap4-use-cache
+			       (nth 2 app-data))
+			 (nth 0 app-data))))))
     (setq elmo-imap4-current-msgdb
 	  (elmo-msgdb-append
 	   elmo-imap4-current-msgdb
@@ -2176,6 +2183,7 @@ If optional argument REMOVE is non-nil, remove FLAG."
       ;; Setup callback.
       (with-current-buffer (elmo-network-session-buffer session)
 	(setq elmo-imap4-current-msgdb nil
+	      elmo-imap4-seen-messages nil
 	      elmo-imap4-fetch-callback 'elmo-imap4-fetch-callback-1
 	      elmo-imap4-fetch-callback-data (cons args
 						   (elmo-folder-use-flag-p
@@ -2197,6 +2205,8 @@ If optional argument REMOVE is non-nil, remove FLAG."
 	     (/ (* total 100) length)))
 	  (setq set-list (cdr set-list)))
 	(message "Getting overview...done")
+	(when elmo-imap4-seen-messages
+	  (elmo-imap4-set-flag folder elmo-imap4-seen-messages "\\Seen"))
 	elmo-imap4-current-msgdb))))
 
 (luna-define-method elmo-folder-unmark-important-plugged
-- 
1.7.10.4