From 9029bb943ef969172f6ea409b5f3c5bf2a55986a Mon Sep 17 00:00:00 2001
From: yamaoka <yamaoka>
Date: Sun, 17 Nov 2002 05:12:08 +0000
Subject: [PATCH] Synch with Oort Gnus.

---
 lisp/ChangeLog |    9 +++++++++
 lisp/nnimap.el |   42 +++++++++++++++++++++++-------------------
 2 files changed, 32 insertions(+), 19 deletions(-)

diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 4b2628f..e184189 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,12 @@
+2002-11-16  Simon Josefsson  <jas@extundo.com>
+
+	* nnimap.el (nnimap-callback-callback-function):
+	(nnimap-callback-buffer): Removed, these cannot be global but must
+	be embedded into the callback.
+	(nnimap-make-callback): New.  Embedd article number, callback and
+	buffer in function.
+	(nnimap-callback, nnimap-request-article-part): Update.
+
 2002-11-15  Katsumi Yamaoka  <yamaoka@jpl.org>
 
 	* mml.el (mml-preview): Bind message-this-is-mail if it is mail.
diff --git a/lisp/nnimap.el b/lisp/nnimap.el
index ba0f5d5..a6530b8 100644
--- a/lisp/nnimap.el
+++ b/lisp/nnimap.el
@@ -394,10 +394,6 @@ For example: (setq nnimap-debug \"*nnimap-debug*\")")
 (defvar nnimap-progress-chars '(?| ?/ ?- ?\\))
 (defvar nnimap-progress-how-often 20)
 (defvar nnimap-counter)
-(defvar nnimap-callback-callback-function nil
-  "Gnus callback the nnimap asynchronous callback should call.")
-(defvar nnimap-callback-buffer nil
-  "Which buffer the asynchronous article prefetch callback should work in.")
 (defvar nnimap-server-buffer-alist nil)	;; Map server name to buffers.
 (defvar nnimap-current-server nil)	;; Current server
 (defvar nnimap-server-buffer nil)	;; Current servers' buffer
@@ -786,18 +782,25 @@ function is generally only called when Gnus is shutting down."
 	     'identity)
 	   (or string "")))
 
-(defun nnimap-callback ()
-  (remove-hook 'imap-fetch-data-hook 'nnimap-callback)
-  (with-current-buffer nnimap-callback-buffer
-    (insert
-     (with-current-buffer nnimap-server-buffer
-       (if (imap-capability 'IMAP4rev1)
-	   ;; xxx don't just use car? alist doesn't contain
-	   ;; anything else now, but it might...
-	   (nth 2 (car (imap-message-get (imap-current-message) 'BODYDETAIL)))
-	 (imap-message-get (imap-current-message) 'RFC822))))
-    (nnheader-ms-strip-cr)
-    (funcall nnimap-callback-callback-function t)))
+(defun nnimap-make-callback (article gnus-callback buffer)
+  "Return a callback function."
+  `(lambda ()
+     (nnimap-callback ,article ,gnus-callback ,buffer)))
+
+(defun nnimap-callback (article gnus-callback buffer)
+  (when (eq article (imap-current-message))
+    (remove-hook 'imap-fetch-data-hook
+		 (nnimap-make-callback article gnus-callback buffer))
+    (with-current-buffer buffer
+      (insert
+       (with-current-buffer nnimap-server-buffer
+	 (if (imap-capability 'IMAP4rev1)
+	     ;; xxx don't just use car? alist doesn't contain
+	     ;; anything else now, but it might...
+	     (nth 2 (car (imap-message-get article 'BODYDETAIL)))
+	   (imap-message-get article 'RFC822))))
+      (nnheader-ms-strip-cr)
+      (funcall gnus-callback t))))
 
 (defun nnimap-request-article-part (article part prop &optional
 					    group server to-buffer detail)
@@ -828,9 +831,10 @@ function is generally only called when Gnus is shutting down."
 						   gnus-newsgroup-name)
 				       (imap-error-text nnimap-server-buffer))
 		    (cons group article)))))
-	  (add-hook 'imap-fetch-data-hook 'nnimap-callback)
-	  (setq nnimap-callback-callback-function nnheader-callback-function
-		nnimap-callback-buffer nntp-server-buffer)
+	  (add-hook 'imap-fetch-data-hook
+		    (nnimap-make-callback article
+					  nnheader-callback-function
+					  nntp-server-buffer))
 	  (imap-fetch-asynch article part nil nnimap-server-buffer)
 	  (cons group article))))))
 
-- 
1.7.10.4