Modify url-retrieve and related functions and structures to respect a

`silent' flag to signal that the operation should be silent.

lisp/url/ChangeLog

@@ -1,3 +1,17 @@
+2010-10-02  Lars Magne Ingebrigtsen  <larsi@gnus.org>
+
+	* url-util.el (url-display-percentage): Don't message when the URL
+	is silent.
+	(url-lazy-message): Ditto.
+
+	* url-http.el (url-http-parse-headers): Pass the SILENT parameter
+	back to the fetching function.
+
+	* url.el (url-retrieve): Add a silent parameter.
+	(url-retrieve-internal): Ditto.
+
+	* url-parse.el (url): Add a `silent' slot in the URL struct.
+
 2010-10-01  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
 	* url-cookie.el (url-cookie-handle-set-cookie): Use

lisp/url/url-http.el

@@ -643,7 +643,8 @@ should be shown to the user."
 		   (set (make-local-variable 'url-redirect-buffer)
 			(url-retrieve-internal
 			 redirect-uri url-callback-function
-			 url-callback-arguments))
+			 url-callback-arguments
+			 (url-silent url-current-object)))
 		   (url-mark-buffer-as-dead buffer))
 	       ;; We hit url-max-redirections, so issue an error and
 	       ;; stop redirecting.

lisp/url/url-parse.el

@@ -36,7 +36,7 @@
                           (&optional type user password host portspec filename
                                      target attributes fullness))
             (:copier nil))
-  type user password host portspec filename target attributes fullness)
+  type user password host portspec filename target attributes fullness silent)
 
 (defsubst url-port (urlobj)
   (or (url-portspec urlobj)

lisp/url/url-util.el

@@ -177,11 +177,17 @@ Strips out default port numbers, etc."
 (defun url-lazy-message (&rest args)
   "Just like `message', but is a no-op if called more than once a second.
 Will not do anything if `url-show-status' is nil."
-  (if (or (null url-show-status)
+  (if (or (and url-current-object
+	       (url-silent url-current-object))
+	  (null url-show-status)
 	  (active-minibuffer-window)
 	  (= url-lazy-message-time
 	     (setq url-lazy-message-time (nth 1 (current-time)))))
       nil
+    (message "hei: %s" url-current-object)
+    (with-current-buffer (get-buffer-create "back")
+      (let ((standard-output (current-buffer)))
+	(backtrace)))
     (apply 'message args)))
 
 ;;;###autoload
@@ -222,7 +228,9 @@ Will not do anything if `url-show-status' is nil."
 
 ;;;###autoload
 (defun url-display-percentage (fmt perc &rest args)
-  (when url-show-status
+  (when (and url-show-status
+	     (or (null url-current-object)
+		 (not (url-silent url-current-object))))
     (if (null fmt)
 	(if (fboundp 'clear-progress-display)
 	    (clear-progress-display))

lisp/url/url.el

@@ -121,7 +121,7 @@ than the one returned initially by `url-retrieve'.  In this case, it sets this
 variable in the original buffer as a forwarding pointer.")
 
 ;;;###autoload
-(defun url-retrieve (url callback &optional cbargs)
+(defun url-retrieve (url callback &optional cbargs silent)
   "Retrieve URL asynchronously and call CALLBACK with CBARGS when finished.
 URL is either a string or a parsed URL.
 
@@ -143,7 +143,9 @@ the callback is not called).
 The variables `url-request-data', `url-request-method' and
 `url-request-extra-headers' can be dynamically bound around the
 request; dynamic binding of other variables doesn't necessarily
-take effect."
+take effect.
+
+If SILENT, then don't message progress reports and the like."
 ;;; XXX: There is code in Emacs that does dynamic binding
 ;;; of the following variables around url-retrieve:
 ;;; url-standalone-mode, url-gateway-unplugged, w3-honor-stylesheets,
@@ -154,12 +156,14 @@ take effect."
 ;;; webmail.el; the latter should be updated.  Is
 ;;; url-cookie-multiple-line needed anymore?  The other url-cookie-*
 ;;; are (for now) only used in synchronous retrievals.
-  (url-retrieve-internal url callback (cons nil cbargs)))
+  (url-retrieve-internal url callback (cons nil cbargs) silent))
 
-(defun url-retrieve-internal (url callback cbargs)
+(defun url-retrieve-internal (url callback cbargs &optional silent)
   "Internal function; external interface is `url-retrieve'.
 CBARGS is what the callback will actually receive - the first item is
-the list of events, as described in the docstring of `url-retrieve'."
+the list of events, as described in the docstring of `url-retrieve'.
+
+If SILENT, don't message progress reports and the like."
   (url-do-setup)
   (url-gc-dead-buffers)
   (if (stringp url)
@@ -170,6 +174,7 @@ the list of events, as described in the docstring of `url-retrieve'."
       (error "Must provide a callback function to url-retrieve"))
   (unless (url-type url)
     (error "Bad url: %s" (url-recreate-url url)))
+  (setf (url-silent url) silent)
   (let ((loader (url-scheme-get-property (url-type url) 'loader))
 	(url-using-proxy (if (url-host url)
 			     (url-find-proxy-for-url url (url-host url))))
@@ -179,7 +184,8 @@ the list of events, as described in the docstring of `url-retrieve'."
 	(setq asynch t
 	      loader 'url-proxy))
     (if asynch
-	(setq buffer (funcall loader url callback cbargs))
+	(let ((url-current-object url))
+	  (setq buffer (funcall loader url callback cbargs)))
       (setq buffer (funcall loader url))
       (if buffer
 	  (with-current-buffer buffer