wl*.texi: Add wl-summary-resend, wl-summary-delete.
[elisp/wanderlust.git] / elmo / elmo-pop3.el
index 730c1a3..201c670 100644 (file)
 If server doesn't accept asynchronous commands, this variable should be
 set as non-nil.")
 
-(defvar elmo-pop3-exists-exactly t)
+(defcustom elmo-pop3-exists-exactly nil
+  "If non-nil, POP3 folder existence is checked everytime before the session."
+  :type 'boolean
+  :group 'elmo)
+
 (defvar sasl-mechanism-alist)
 
 (defvar elmo-pop3-total-size nil)
@@ -161,16 +165,30 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
     (delete-process (elmo-network-session-process-internal session))))
 
 (defun elmo-pop3-get-session (folder &optional if-exists)
+  "Get POP3 session for FOLDER.
+If IF-EXISTS is non-nil, don't get new session.
+If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
   (let ((elmo-pop3-use-uidl-internal (if elmo-inhibit-number-mapping
                                         nil
                                       (elmo-pop3-folder-use-uidl-internal
                                        folder))))
-    (elmo-network-get-session 'elmo-pop3-session
-                             (concat
-                              (if (elmo-folder-biff-internal folder)
-                                  "BIFF-")
-                              "POP3")
-                             folder if-exists)))
+    (prog1
+       (if (eq if-exists 'any-exists)
+           (or (elmo-network-get-session 'elmo-pop3-session
+                                         "POP3"
+                                         folder if-exists)
+               (elmo-network-get-session 'elmo-pop3-session
+                                         "BIFF-POP3"
+                                         folder if-exists))
+         (elmo-network-get-session 'elmo-pop3-session
+                                   (concat
+                                    (if (elmo-folder-biff-internal folder)
+                                        "BIFF-")
+                                    "POP3")
+                                   folder if-exists))
+      ;; For saving existency.
+      (unless (file-exists-p (elmo-folder-msgdb-path folder))
+       (elmo-make-directory (elmo-folder-msgdb-path folder))))))
 
 (defun elmo-pop3-send-command (process command &optional no-erase no-log)
   (with-current-buffer (process-buffer process)
@@ -223,19 +241,20 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
       return-value)))
 
 (defun elmo-pop3-process-filter (process output)
-  (with-current-buffer (process-buffer process)
-    (goto-char (point-max))
-    (insert output)
-    (elmo-pop3-debug "RECEIVED: %s\n" output)
-    (if (and elmo-pop3-total-size
-            (> elmo-pop3-total-size
-               (min elmo-display-retrieval-progress-threshold 100)))
-       (elmo-display-progress
-        'elmo-display-retrieval-progress
-        (format "Retrieving (%d/%d bytes)..."
-                (buffer-size)
-                elmo-pop3-total-size)
-        (/ (buffer-size) (/ elmo-pop3-total-size 100))))))
+  (when (buffer-live-p (process-buffer process))
+    (with-current-buffer (process-buffer process)
+      (goto-char (point-max))
+      (insert output)
+      (elmo-pop3-debug "RECEIVED: %s\n" output)
+      (if (and elmo-pop3-total-size
+              (> elmo-pop3-total-size
+                 (min elmo-display-retrieval-progress-threshold 100)))
+         (elmo-display-progress
+          'elmo-display-retrieval-progress
+          (format "Retrieving (%d/%d bytes)..."
+                  (buffer-size)
+                  elmo-pop3-total-size)
+          (/ (buffer-size) (/ elmo-pop3-total-size 100)))))))
 
 (defun elmo-pop3-auth-user (session)
   (let ((process (elmo-network-session-process-internal session)))
@@ -458,7 +477,11 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
              (setq session (elmo-pop3-get-session folder))
            (if session
                (elmo-network-close-session session)))))
-    (file-directory-p (elmo-folder-msgdb-path folder))))
+    (or (file-directory-p (elmo-folder-msgdb-path folder))
+       ;; First time.
+       (when (elmo-folder-plugged-p folder)
+         (let ((elmo-pop3-exists-exactly t))
+           (elmo-folder-exists-p folder))))))
 
 (defun elmo-pop3-parse-uidl-response (string)
   (let ((buffer (current-buffer))
@@ -666,9 +689,7 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
       (copy-to-buffer tobuffer (point-min) (point-max)))))
 
 (luna-define-method elmo-folder-msgdb-create ((folder elmo-pop3-folder)
-                                             numlist new-mark
-                                             already-mark seen-mark
-                                             important-mark seen-list)
+                                             numlist flag-table)
   (let ((process (elmo-network-session-process-internal
                  (elmo-pop3-get-session folder))))
     (with-current-buffer (process-buffer process)
@@ -677,8 +698,7 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
        (elmo-pop3-msgdb-create-by-header
        process
        numlist
-       new-mark already-mark
-       seen-mark seen-list
+       flag-table
        (if (elmo-pop3-folder-use-uidl-internal folder)
            (elmo-pop3-folder-location-alist-internal folder)))))))
 
@@ -716,9 +736,7 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
                     elmo-pop3-size-hash))
 
 (defun elmo-pop3-msgdb-create-by-header (process numlist
-                                                new-mark already-mark
-                                                seen-mark
-                                                seen-list
+                                                flag-table
                                                 loc-alist)
   (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*")))
     (with-current-buffer (process-buffer process)
@@ -738,15 +756,14 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
           process
           (length numlist)
           numlist
-          new-mark already-mark seen-mark seen-list loc-alist)
+          flag-table loc-alist)
        (kill-buffer tmp-buffer)))))
 
 (defun elmo-pop3-msgdb-create-message (buffer
                                       process
                                       num
-                                      numlist new-mark already-mark
-                                      seen-mark
-                                      seen-list
+                                      numlist
+                                      flag-table
                                       loc-alist)
   (save-excursion
     (let (beg overview number-alist mark-alist
@@ -790,17 +807,12 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
                     (elmo-msgdb-overview-entity-get-number entity)
                     (car entity)))
              (setq message-id (car entity))
-             (setq seen (member message-id seen-list))
              (if (setq gmark (or (elmo-msgdb-global-mark-get message-id)
-                                 (if (elmo-file-cache-status
-                                      (elmo-file-cache-get message-id))
-                                     (if seen
-                                         nil
-                                       already-mark)
-                                   (if seen
-                                       (if elmo-pop3-use-cache
-                                           seen-mark)
-                                     new-mark))))
+                                 (elmo-msgdb-mark
+                                  (elmo-flag-table-get flag-table message-id)
+                                  (elmo-file-cache-status
+                                   (elmo-file-cache-get message-id))
+                                  'new)))
                  (setq mark-alist
                        (elmo-msgdb-mark-append
                         mark-alist
@@ -879,7 +891,7 @@ Debug information is inserted in the buffer \"*POP3 DEBUG*\"")
          (elmo-display-progress
           'elmo-display-retrieval-progress
           "Retrieving..." 100)  ; remove progress bar.
-         (message "Retrieving...done."))
+         (message "Retrieving...done"))
        (set-buffer outbuf)
        (goto-char (point-min))
        (while (re-search-forward "^\\." nil t)