* elmo-util.el (elmo-progress-counter-alist): New internal

[elisp/wanderlust.git] / elmo / elmo-util.el

diff --git a/elmo/elmo-util.el b/elmo/elmo-util.el
index a35a28a..ee46191 100644 (file)
--- a/elmo/elmo-util.el
+++ b/elmo/elmo-util.el
@@ -1158,6 +1158,52 @@ the value of `foo'."
           (apply (function message) (concat format " %d%%")
                  (nconc args (list value)))))))
 
+(defvar elmo-progress-counter-alist nil)
+
+(defmacro elmo-progress-counter-value (counter)
+  (` (aref (cdr (, counter)) 0)))
+
+(defmacro elmo-progress-counter-all-value (counter)
+  (` (aref (cdr (, counter)) 1)))
+
+(defmacro elmo-progress-counter-format (counter)
+  (` (aref (cdr (, counter)) 2)))
+
+(defmacro elmo-progress-counter-set-value (counter value)
+  (` (aset (cdr (, counter)) 0 (, value))))
+
+(defun elmo-progress-set (label all-value &optional format)
+  (unless (assq label elmo-progress-counter-alist)
+    (setq elmo-progress-counter-alist
+         (cons (cons label (vector 0 all-value (or format "")))
+               elmo-progress-counter-alist))))
+
+(defun elmo-progress-clear (label)
+  (let ((counter (assq label elmo-progress-counter-alist)))
+    (when counter
+      (elmo-display-progress label "" 100)
+      (setq elmo-progress-counter-alist
+           (delq counter elmo-progress-counter-alist)))))
+
+(defun elmo-progress-notify (label &optional value op &rest args)
+  (let ((counter (assq label elmo-progress-counter-alist)))
+    (when counter
+      (let* ((value (or value 1))
+            (cur-value (elmo-progress-counter-value counter))
+            (all-value (elmo-progress-counter-all-value counter))
+            (new-value (if (eq op 'set) value (+ cur-value value)))
+            (cur-rate (/ (* cur-value 100) all-value))
+            (new-rate (/ (* new-value 100) all-value)))
+       (elmo-progress-counter-set-value counter new-value)
+       (unless (= cur-rate new-rate)
+         (apply 'elmo-display-progress
+                label
+                (elmo-progress-counter-format counter)
+                new-rate
+                args))
+       (when (>= new-rate 100)
+         (elmo-progress-clear label))))))
+
 (defun elmo-time-expire (before-time diff-time)
   (let* ((current (current-time))
         (rest (when (< (nth 1 current) (nth 1 before-time))