* WL-ELS (ELMO-MODULES): Added elmo-signal.
[elisp/wanderlust.git] / elmo / elmo-pipe.el
index a64d4bd..1a499e3 100644 (file)
@@ -1,4 +1,4 @@
-;;; elmo-pipe.el -- PIPE Interface for ELMO.
+;;; elmo-pipe.el --- PIPE Interface for ELMO.
 
 ;; Copyright (C) 1998,1999,2000 Yuuichi Teranishi <teranisi@gohome.org>
 
 ;;
 
 ;;; Commentary:
-;; 
+;;
 
 ;;; Code:
-;; 
+;;
 
 (require 'elmo)
+(require 'elmo-signal)
+
+(defvar elmo-pipe-folder-copied-filename "copied"
+  "Copied messages number set.")
 
 ;;; ELMO pipe folder
 (eval-and-compile
   (luna-define-class elmo-pipe-folder (elmo-folder)
-                    (src dst))
+                    (src dst copy))
   (luna-define-internal-accessors 'elmo-pipe-folder))
 
 (luna-define-method elmo-folder-initialize ((folder elmo-pipe-folder)
                                            name)
-  (when (string-match "^\\([^|]*\\)|\\(.*\\)$" name)
+  (when (string-match "^\\([^|]*\\)|\\(:?\\)\\(.*\\)$" name)
     (elmo-pipe-folder-set-src-internal folder
                                       (elmo-make-folder
                                        (elmo-match-string 1 name)))
     (elmo-pipe-folder-set-dst-internal folder
                                       (elmo-make-folder
-                                       (elmo-match-string 2 name))))
+                                       (elmo-match-string 3 name)))
+    (elmo-pipe-folder-set-copy-internal folder
+                                       (string= ":"
+                                                (elmo-match-string 2 name))))
+  (elmo-pipe-connect-signals folder (elmo-pipe-folder-dst-internal folder))
   folder)
 
+(defun elmo-pipe-connect-signals (folder destination)
+  (elmo-connect-signal
+   destination 'flag-changing folder
+   (elmo-define-signal-handler (folder dst number old-flags new-flags)
+     (elmo-emit-signal 'flag-changing folder number old-flags new-flags)))
+  (elmo-connect-signal
+   destination 'flag-changed folder
+   (elmo-define-signal-handler (folder dst numbers)
+     (elmo-emit-signal 'flag-changed folder numbers)))
+  (elmo-connect-signal
+   destination 'cache-changed folder
+   (elmo-define-signal-handler (folder dst number)
+     (elmo-emit-signal 'cache-changed folder number))))
+
 (luna-define-method elmo-folder-get-primitive-list ((folder elmo-pipe-folder))
-  (elmo-flatten
-   (mapcar
-    'elmo-folder-get-primitive-list
-    (list (elmo-pipe-folder-src-internal folder)
-         (elmo-pipe-folder-dst-internal folder)))))
+  (nconc
+   (elmo-folder-get-primitive-list (elmo-pipe-folder-src-internal folder))
+   (elmo-folder-get-primitive-list (elmo-pipe-folder-dst-internal folder))))
 
 (luna-define-method elmo-folder-contains-type ((folder elmo-pipe-folder)
                                               type)
   (or (elmo-folder-contains-type (elmo-pipe-folder-src-internal folder) type)
       (elmo-folder-contains-type (elmo-pipe-folder-dst-internal folder) type)))
 
-(luna-define-method elmo-folder-msgdb-create ((folder elmo-pipe-folder)
-                                             numlist new-mark already-mark
-                                             seen-mark important-mark
-                                             seen-list)
-  (elmo-folder-msgdb-create (elmo-pipe-folder-dst-internal folder)
-                           numlist new-mark already-mark
-                           seen-mark important-mark seen-list))
-
 (luna-define-method elmo-folder-append-messages ((folder elmo-pipe-folder)
                                                 src-folder numbers
-                                                unread-marks
                                                 &optional same-number)
   (elmo-folder-append-messages (elmo-pipe-folder-dst-internal folder)
                               src-folder numbers
-                              unread-marks
                               same-number))
 
 (luna-define-method elmo-folder-append-buffer ((folder elmo-pipe-folder)
-                                              unread &optional number)
+                                              &optional flag number)
   (elmo-folder-append-buffer (elmo-pipe-folder-dst-internal folder)
-                            unread number))
+                            flag number))
 
 (luna-define-method elmo-message-fetch ((folder elmo-pipe-folder)
                                        number strategy
-                                       &optional section outbuf unseen)
+                                       &optional unseen section)
   (elmo-message-fetch (elmo-pipe-folder-dst-internal folder)
-                     number strategy section outbuf unseen))
+                     number strategy unseen section))
+
+(luna-define-method elmo-folder-clear :after ((folder elmo-pipe-folder)
+                                             &optional keep-killed)
+  (unless keep-killed
+    (elmo-pipe-folder-copied-list-save folder nil)))
 
 (luna-define-method elmo-folder-delete-messages ((folder elmo-pipe-folder)
                                                 numbers)
   (elmo-folder-delete-messages (elmo-pipe-folder-dst-internal folder)
                               numbers))
 
+(luna-define-method elmo-folder-detach-messages ((folder elmo-pipe-folder)
+                                                numbers)
+  (elmo-folder-detach-messages (elmo-pipe-folder-dst-internal folder)
+                              numbers))
+
 (defvar elmo-pipe-drained-hook nil "A hook called when the pipe is flushed.")
 
-(defun elmo-pipe-drain (src dst)
-  "Move all messages of SRC to DST."
-  (let ((elmo-inhibit-number-mapping t)) ; No need to use UIDL
+(defsubst elmo-pipe-folder-list-target-messages (src &optional ignore-list)
+  (unwind-protect
+      (progn
+       (elmo-folder-set-killed-list-internal src ignore-list)
+       (elmo-folder-list-messages src t))
+    (elmo-folder-set-killed-list-internal src nil)))
+
+(defun elmo-pipe-drain (src dst &optional copy ignore-list)
+  "Move or copy all messages of SRC to DST."
+  (let ((elmo-inhibit-number-mapping (and (eq (elmo-folder-type-internal
+                                              src) 'pop3)
+                                         (not copy))) ; No need to use UIDL
+       msgs len)
     (message "Checking %s..." (elmo-folder-name-internal src))
+    ;; Warnnig: some function requires msgdb
+    ;; but elmo-folder-open-internal do not load msgdb.
     (elmo-folder-open-internal src)
-    (elmo-folder-move-messages src (elmo-folder-list-messages src) dst))
-  ;; Don't save msgdb here.
-  ;; Because summary view of original folder is not updated yet.
-  (elmo-folder-close-internal src)
-  (run-hooks 'elmo-pipe-drained-hook))
+    (setq msgs (elmo-pipe-folder-list-target-messages src ignore-list)
+         len (length msgs))
+    (when (> len elmo-display-progress-threshold)
+      (elmo-progress-set 'elmo-folder-move-messages
+                        len
+                        (if copy
+                            "Copying messages..."
+                          "Moving messages...")))
+    (unwind-protect
+       (elmo-folder-move-messages src msgs dst copy)
+      (elmo-progress-clear 'elmo-folder-move-messages))
+    (when (and copy msgs)
+      (setq ignore-list (elmo-number-set-append-list ignore-list
+                                                    msgs)))
+    (elmo-folder-close-internal src)
+    (run-hooks 'elmo-pipe-drained-hook)
+    ignore-list))
+
+(defun elmo-pipe-folder-copied-list-load (folder)
+  (elmo-object-load
+   (expand-file-name elmo-pipe-folder-copied-filename
+                    (expand-file-name
+                     (elmo-replace-string-as-filename
+                      (elmo-folder-name-internal folder))
+                     (expand-file-name "pipe" elmo-msgdb-directory)))
+   nil t))
+
+(defun elmo-pipe-folder-copied-list-save (folder copied-list)
+  (elmo-object-save
+   (expand-file-name elmo-pipe-folder-copied-filename
+                    (expand-file-name
+                     (elmo-replace-string-as-filename
+                      (elmo-folder-name-internal folder))
+                     (expand-file-name "pipe" elmo-msgdb-directory)))
+   copied-list))
+
+(luna-define-method elmo-folder-msgdb ((folder elmo-pipe-folder))
+  (elmo-folder-msgdb (elmo-pipe-folder-dst-internal folder)))
 
 (luna-define-method elmo-folder-open-internal ((folder elmo-pipe-folder))
-  (elmo-folder-open-internal (elmo-pipe-folder-dst-internal folder))
-  (let ((src-folder (elmo-pipe-folder-src-internal folder))
-       (dst-folder (elmo-pipe-folder-dst-internal folder)))
-    (when (and (elmo-folder-plugged-p src-folder)
-              (elmo-folder-plugged-p dst-folder))
-      (elmo-pipe-drain src-folder dst-folder))))
+  (elmo-folder-open-internal (elmo-pipe-folder-dst-internal folder)))
 
 (luna-define-method elmo-folder-close-internal ((folder elmo-pipe-folder))
   (elmo-folder-close-internal(elmo-pipe-folder-dst-internal folder)))
 
-(luna-define-method elmo-folder-list-messages-internal
-  ((folder elmo-pipe-folder) &optional nohide)
-  (elmo-folder-list-messages-internal (elmo-pipe-folder-dst-internal
-                                      folder) nohide))
-
-(luna-define-method elmo-folder-list-unreads-internal
-  ((folder elmo-pipe-folder) unread-marks &optional mark-alist)
-  (elmo-folder-list-unreads-internal (elmo-pipe-folder-dst-internal folder)
-                                    unread-marks mark-alist))
-  
-(luna-define-method elmo-folder-list-importants-internal
-  ((folder elmo-pipe-folder) important-mark)
-  (elmo-folder-list-importants-internal (elmo-pipe-folder-dst-internal folder)
-                                       important-mark))
-
-(luna-define-method elmo-folder-status ((folder elmo-pipe-folder))
+(luna-define-method elmo-folder-list-messages ((folder elmo-pipe-folder)
+                                              &optional visible-only in-msgdb)
+  ;; Use target folder's killed-list in the pipe folder.
+  (elmo-folder-list-messages (elmo-pipe-folder-dst-internal
+                             folder) visible-only in-msgdb))
+
+(luna-define-method elmo-folder-diff ((folder elmo-pipe-folder))
   (elmo-folder-open-internal (elmo-pipe-folder-src-internal folder))
   (elmo-folder-open-internal (elmo-pipe-folder-dst-internal folder))
-  (let* ((elmo-inhibit-number-mapping t)
-        (src-length (length (elmo-folder-list-messages
-                             (elmo-pipe-folder-src-internal folder))))
-        (dst-list (elmo-folder-list-messages
-                   (elmo-pipe-folder-dst-internal folder))))
-    (prog1 (cons (+ src-length (elmo-max-of-list dst-list))
-                (+ src-length (length dst-list)))
+  (let* ((elmo-inhibit-number-mapping
+         (not (elmo-pipe-folder-copy-internal folder)))
+        (src-length (length (elmo-pipe-folder-list-target-messages
+                             (elmo-pipe-folder-src-internal folder)
+                             (elmo-pipe-folder-copied-list-load folder))))
+        (dst-diff (elmo-folder-diff (elmo-pipe-folder-dst-internal folder))))
+    (prog1
+       (cond
+        ((consp (cdr dst-diff)) ; new unread all
+         (mapcar (lambda (number) (+ number src-length)) dst-diff))
+        (t
+         (cons (+ (or (car dst-diff) 0) src-length)
+               (+ (or (cdr dst-diff) 0) src-length))))
       ;; No save.
       (elmo-folder-close-internal (elmo-pipe-folder-src-internal folder))
       (elmo-folder-close-internal (elmo-pipe-folder-dst-internal folder)))))
   ;; Share with destination...OK?
   (elmo-folder-expand-msgdb-path (elmo-pipe-folder-dst-internal folder)))
 
+(luna-define-method elmo-folder-newsgroups ((folder elmo-pipe-folder))
+  (elmo-folder-newsgroups (elmo-pipe-folder-src-internal folder)))
+
 (luna-define-method elmo-folder-creatable-p ((folder elmo-pipe-folder))
-  (and (elmo-folder-creatable-p (elmo-pipe-folder-src-internal folder))
-       (elmo-folder-creatable-p (elmo-pipe-folder-dst-internal folder))))
+  (and (or
+       (elmo-folder-exists-p (elmo-pipe-folder-src-internal folder))
+       (elmo-folder-creatable-p (elmo-pipe-folder-src-internal folder)))
+       (or
+       (elmo-folder-exists-p (elmo-pipe-folder-dst-internal folder))
+       (elmo-folder-creatable-p (elmo-pipe-folder-dst-internal folder)))))
+
+(luna-define-method elmo-folder-writable-p ((folder elmo-pipe-folder))
+  (elmo-folder-writable-p (elmo-pipe-folder-dst-internal folder)))
 
 (luna-define-method elmo-folder-create ((folder elmo-pipe-folder))
   (if (and (not (elmo-folder-exists-p (elmo-pipe-folder-src-internal folder)))
   (elmo-message-use-cache-p (elmo-pipe-folder-dst-internal folder) number))
 
 (luna-define-method elmo-folder-check ((folder elmo-pipe-folder))
-  (elmo-folder-close-internal folder)
-  (elmo-folder-open-internal folder))
+  (elmo-folder-check (elmo-pipe-folder-dst-internal folder)))
 
 (luna-define-method elmo-folder-plugged-p ((folder elmo-pipe-folder))
   (and (elmo-folder-plugged-p (elmo-pipe-folder-src-internal folder))
        (elmo-folder-plugged-p (elmo-pipe-folder-dst-internal folder))))
 
+(luna-define-method elmo-folder-message-file-p ((folder elmo-pipe-folder))
+  (elmo-folder-message-file-p (elmo-pipe-folder-dst-internal folder)))
+
 (luna-define-method elmo-message-file-p ((folder elmo-pipe-folder) number)
   (elmo-message-file-p (elmo-pipe-folder-dst-internal folder) number))
 
 
 (luna-define-method elmo-folder-message-file-directory ((folder
                                                         elmo-pipe-folder))
-  (elmo-folder-message-file-directory 
+  (elmo-folder-message-file-directory
    (elmo-pipe-folder-dst-internal folder)))
 
 (luna-define-method elmo-folder-message-make-temp-file-p
   (elmo-folder-message-make-temp-files
    (elmo-pipe-folder-dst-internal folder) numbers start-number))
 
-(luna-define-method elmo-folder-mark-as-read ((folder elmo-pipe-folder)
-                                             numbers)
-  (elmo-folder-mark-as-read (elmo-pipe-folder-dst-internal folder)
-                           numbers))
-
-(luna-define-method elmo-folder-unmark-read ((folder elmo-pipe-folder)
-                                             numbers)
-  (elmo-folder-unmark-read (elmo-pipe-folder-dst-internal folder)
-                          numbers))
+(luna-define-method elmo-folder-set-flag ((folder elmo-pipe-folder)
+                                         numbers
+                                         flag
+                                         &optional is-local)
+  (elmo-folder-set-flag (elmo-pipe-folder-dst-internal folder)
+                       numbers flag is-local))
 
-(luna-define-method elmo-folder-unmark-important ((folder elmo-pipe-folder)
-                                                 numbers)
-  (elmo-folder-unmark-important (elmo-pipe-folder-dst-internal folder)
-                               numbers))
-
-(luna-define-method elmo-folder-mark-as-important ((folder elmo-pipe-folder)
-                                                  numbers)
-  (elmo-folder-mark-as-important (elmo-pipe-folder-dst-internal folder)
-                                numbers))
+(luna-define-method elmo-folder-unset-flag ((folder elmo-pipe-folder)
+                                           numbers
+                                           flag
+                                           &optional is-local)
+  (elmo-folder-unset-flag (elmo-pipe-folder-dst-internal folder)
+                         numbers flag is-local))
 
 (luna-define-method elmo-folder-pack-numbers ((folder elmo-pipe-folder))
   (elmo-folder-pack-numbers (elmo-pipe-folder-dst-internal folder)))
 
+(luna-define-method elmo-folder-rename ((folder elmo-pipe-folder) new-name)
+  (let* ((new-folder (elmo-make-folder new-name)))
+    (unless (string= (elmo-folder-name-internal
+                     (elmo-pipe-folder-src-internal folder))
+                    (elmo-folder-name-internal
+                     (elmo-pipe-folder-src-internal new-folder)))
+      (error "Source folder differ"))
+    (unless (eq (elmo-folder-type-internal
+                (elmo-pipe-folder-dst-internal folder))
+               (elmo-folder-type-internal
+                (elmo-pipe-folder-dst-internal new-folder)))
+      (error "Not same folder type"))
+    (if (or (file-exists-p (elmo-folder-msgdb-path
+                           (elmo-pipe-folder-dst-internal new-folder)))
+           (elmo-folder-exists-p
+            (elmo-pipe-folder-dst-internal new-folder)))
+       (error "Already exists folder: %s" new-name))
+    (elmo-folder-send (elmo-pipe-folder-dst-internal folder)
+                     'elmo-folder-rename-internal
+                     (elmo-pipe-folder-dst-internal new-folder))
+    (elmo-msgdb-rename-path folder new-folder)))
+
+(luna-define-method elmo-folder-synchronize ((folder elmo-pipe-folder)
+                                            &optional
+                                            disable-killed
+                                            ignore-msgdb
+                                            no-check
+                                            mask)
+  (let ((src-folder (elmo-pipe-folder-src-internal folder))
+       (dst-folder (elmo-pipe-folder-dst-internal folder)))
+    (when (and (elmo-folder-plugged-p src-folder)
+              (elmo-folder-plugged-p dst-folder))
+      (if (elmo-pipe-folder-copy-internal folder)
+         (elmo-pipe-folder-copied-list-save
+          folder
+          (elmo-pipe-drain src-folder
+                           dst-folder
+                           'copy
+                           (elmo-pipe-folder-copied-list-load folder)))
+       (elmo-pipe-drain src-folder dst-folder))))
+  (elmo-folder-synchronize
+   (elmo-pipe-folder-dst-internal folder)
+   disable-killed ignore-msgdb no-check mask))
+
+(luna-define-method elmo-folder-list-flagged ((folder elmo-pipe-folder)
+                                             flag
+                                             &optional in-msgdb)
+  (elmo-folder-list-flagged
+   (elmo-pipe-folder-dst-internal folder) flag in-msgdb))
+
+(luna-define-method elmo-folder-commit ((folder elmo-pipe-folder))
+  (elmo-folder-commit (elmo-pipe-folder-dst-internal folder)))
+
+(luna-define-method elmo-folder-length ((folder elmo-pipe-folder))
+  (elmo-folder-length (elmo-pipe-folder-dst-internal folder)))
+
+(luna-define-method elmo-message-flag-available-p ((folder elmo-pipe-folder)
+                                                  number flag)
+  (elmo-message-flag-available-p
+   (elmo-pipe-folder-dst-internal folder)
+   number flag))
+
+(luna-define-method elmo-folder-count-flags ((folder elmo-pipe-folder))
+  (elmo-folder-count-flags (elmo-pipe-folder-dst-internal folder)))
+
+(luna-define-method elmo-message-flags ((folder elmo-pipe-folder) number)
+  (elmo-message-flags (elmo-pipe-folder-dst-internal folder) number))
+
+(luna-define-method elmo-message-field ((folder elmo-pipe-folder)
+                                       number field)
+  (elmo-message-field (elmo-pipe-folder-dst-internal folder)
+                     number
+                     field))
+
+(luna-define-method elmo-message-set-cached ((folder elmo-pipe-folder)
+                                            number cached)
+  (elmo-message-set-cached (elmo-pipe-folder-dst-internal folder)
+                          number cached))
+
+(luna-define-method elmo-find-fetch-strategy ((folder elmo-pipe-folder)
+                                             number
+                                             &optional
+                                             ignore-cache
+                                             require-entireness)
+  (elmo-find-fetch-strategy (elmo-pipe-folder-dst-internal folder)
+                           number
+                           ignore-cache
+                           require-entireness))
+
+(luna-define-method elmo-message-number ((folder elmo-pipe-folder)
+                                        message-id)
+  (elmo-message-number (elmo-pipe-folder-dst-internal folder)
+                      message-id))
+
+(luna-define-method elmo-message-entity ((folder elmo-pipe-folder) key)
+  (elmo-message-entity (elmo-pipe-folder-dst-internal folder) key))
+
+(luna-define-method elmo-message-folder ((folder elmo-pipe-folder)
+                                        number)
+  (elmo-message-folder (elmo-pipe-folder-dst-internal folder) number))
+
 (require 'product)
 (product-provide (provide 'elmo-pipe) (require 'elmo-version))