* wl-summary.el (wl-summary-detect-mark-position): Follow the API
[elisp/wanderlust.git] / elmo / elmo-pop3.el
index ae25a19..19db3b0 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)
@@ -168,19 +172,23 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
                                         nil
                                       (elmo-pop3-folder-use-uidl-internal
                                        folder))))
-    (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))))
+    (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)
@@ -233,19 +241,20 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
       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)))
@@ -468,7 +477,11 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
              (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))
@@ -676,42 +689,34 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
       (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)
       (elmo-pop3-sort-msgdb-by-original-number
        folder
        (elmo-pop3-msgdb-create-by-header
+       folder
        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)))))))
 
-(defun elmo-pop3-sort-overview-by-original-number (overview loc-alist)
-  (if loc-alist
-      (sort overview
-           (lambda (ent1 ent2)
-             (< (elmo-pop3-uidl-to-number
-                 (cdr (assq (elmo-msgdb-overview-entity-get-number ent1)
-                            loc-alist)))
-                (elmo-pop3-uidl-to-number
-                 (cdr (assq (elmo-msgdb-overview-entity-get-number ent2)
-                            loc-alist))))))
-    overview))
-
 (defun elmo-pop3-sort-msgdb-by-original-number (folder msgdb)
-  (message "Sorting...")
-  (let ((overview (elmo-msgdb-get-overview msgdb)))
-    (setq overview (elmo-pop3-sort-overview-by-original-number
-                   overview
-                   (elmo-pop3-folder-location-alist-internal folder)))
-    (message "Sorting...done")
-    (list overview (nth 1 msgdb)(nth 2 msgdb)(nth 3 msgdb))))
+  (let ((location-alist (elmo-pop3-folder-location-alist-internal folder)))
+    (when location-alist
+      (elmo-msgdb-sort-entities
+       msgdb
+       (lambda (ent1 ent2 loc-alist)
+        (< (elmo-pop3-uidl-to-number
+            (cdr (assq (elmo-message-entity-number ent1)
+                       loc-alist)))
+           (elmo-pop3-uidl-to-number
+            (cdr (assq (elmo-message-entity-number ent2)
+                       loc-alist)))))
+       location-alist))
+    msgdb))
 
 (defun elmo-pop3-uidl-to-number (uidl)
   (string-to-number (elmo-get-hash-val uidl
@@ -725,11 +730,9 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
   (elmo-get-hash-val (format "#%d" number)
                     elmo-pop3-size-hash))
 
-(defun elmo-pop3-msgdb-create-by-header (process numlist
-                                                new-mark already-mark
-                                                seen-mark
-                                                seen-list
-                                                loc-alist)
+(defun elmo-pop3-msgdb-create-by-header (folder process numlist
+                                               flag-table
+                                               loc-alist)
   (let ((tmp-buffer (get-buffer-create " *ELMO Overview TMP*")))
     (with-current-buffer (process-buffer process)
       (if loc-alist ; use uidl.
@@ -744,23 +747,24 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
                                  tmp-buffer process numlist)
       (prog1
          (elmo-pop3-msgdb-create-message
+          folder
           tmp-buffer
           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
+(defun elmo-pop3-msgdb-create-message (folder
+                                      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
-             entity i number message-id gmark seen size)
+    (let ((new-msgdb (elmo-make-msgdb))
+         beg entity i number message-id flags)
       (set-buffer buffer)
       (elmo-set-buffer-multibyte default-enable-multibyte-characters)
       (goto-char (point-min))
@@ -774,55 +778,35 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
          (save-restriction
            (narrow-to-region beg (point))
            (setq entity
-                 (elmo-msgdb-create-overview-from-buffer
-                  (car numlist)))
+                 (elmo-msgdb-create-message-entity-from-buffer
+                  new-msgdb (car numlist)))
            (setq numlist (cdr numlist))
            (when entity
-             (setq overview
-                   (elmo-msgdb-append-element
-                    overview entity))
              (with-current-buffer (process-buffer process)
-               (elmo-msgdb-overview-entity-set-size
+               (elmo-message-entity-set-field
                 entity
+                'size
                 (string-to-number
                  (elmo-pop3-number-to-size
-                  (elmo-msgdb-overview-entity-get-number entity))))
+                  (elmo-message-entity-number entity))))
                (if (setq number
                          (car
                           (rassoc
                            (elmo-pop3-number-to-uidl
-                            (elmo-msgdb-overview-entity-get-number entity))
+                            (elmo-message-entity-number entity))
                            loc-alist)))
-                   (elmo-msgdb-overview-entity-set-number entity number)))
-             (setq number-alist
-                   (elmo-msgdb-number-add
-                    number-alist
-                    (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))))
-                 (setq mark-alist
-                       (elmo-msgdb-mark-append
-                        mark-alist
-                        (elmo-msgdb-overview-entity-get-number entity)
-                        gmark))))))
+                   (elmo-message-entity-set-number entity number)))
+             (setq message-id (elmo-message-entity-field entity 'message-id)
+                   flags (elmo-flag-table-get flag-table message-id))
+             (elmo-global-flags-set flags folder number message-id)
+             (elmo-msgdb-append-entity new-msgdb entity flags))))
        (when (> num elmo-display-progress-threshold)
          (setq i (1+ i))
          (if (or (zerop (% i 5)) (= i num))
              (elmo-display-progress
               'elmo-pop3-msgdb-create-message "Creating msgdb..."
               (/ (* i 100) num)))))
-      (list overview number-alist mark-alist))))
+      new-msgdb)))
 
 (defun elmo-pop3-read-body (process outbuf)
   (with-current-buffer (process-buffer process)
@@ -912,13 +896,13 @@ If IF-EXISTS is `any-exists', get BIFF session or normal session if exists."
              (error "Deleting message failed")))
        (error "Deleting message failed")))))
 
-(luna-define-method elmo-folder-delete-messages-plugged
-  ((folder elmo-pop3-folder) msgs)
+(luna-define-method elmo-folder-delete-messages-plugged ((folder
+                                                         elmo-pop3-folder)
+                                                        msgs)
   (let ((loc-alist (elmo-pop3-folder-location-alist-internal folder))
        (process (elmo-network-session-process-internal
                  (elmo-pop3-get-session folder))))
-    (mapcar '(lambda (msg) (elmo-pop3-delete-msg
-                           process msg loc-alist))
+    (mapcar '(lambda (msg) (elmo-pop3-delete-msg process msg loc-alist))
            msgs)))
 
 (luna-define-method elmo-message-use-cache-p ((folder elmo-pop3-folder) number)