From 6f7e2ffd5e39425cedf22aa444d7fb642840e52b Mon Sep 17 00:00:00 2001
From: Julien Danjou <julien@danjou.info>
Date: Tue, 5 Oct 2010 13:19:07 +0000
Subject: [PATCH] sieve-manage.el (sieve-manage-capability): Do not bug out
 when the server-value of the capability is nil. gnus-html.el
 (gnus-html-wash-images): Rescale image from cid too.

---
 lisp/gnus/ChangeLog       |  9 +++++++++
 lisp/gnus/gnus-html.el    | 44 +++++++++++++++++++++++---------------------
 lisp/gnus/sieve-manage.el | 13 +++++++++----
 3 files changed, 41 insertions(+), 25 deletions(-)

diff --git a/lisp/gnus/ChangeLog b/lisp/gnus/ChangeLog
index 45fcb4a2cf3..241c8148dc1 100644
--- a/lisp/gnus/ChangeLog
+++ b/lisp/gnus/ChangeLog
@@ -1,3 +1,12 @@
+2010-10-05  Julien Danjou  <julien@danjou.info>
+
+	* gnus-html.el (gnus-html-wash-images): Rescale image from cid too.
+	(gnus-html-maximum-image-size): Add this function.
+	(gnus-html-put-image): Use gnus-html-maximum-image-size.
+
+	* sieve-manage.el (sieve-manage-capability): Do not bug out when the
+	server-value of the capability is nil.
+
 2010-10-05  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
 	* shr.el (shr-tag-em): Add <EM> tag.
diff --git a/lisp/gnus/gnus-html.el b/lisp/gnus/gnus-html.el
index bfbdc41e98c..d30b574b55e 100644
--- a/lisp/gnus/gnus-html.el
+++ b/lisp/gnus/gnus-html.el
@@ -191,17 +191,16 @@ CHARS is a regexp-like character alternative (e.g., \"[)$]\")."
 	    ;; URLs with cid: have their content stashed in other
 	    ;; parts of the MIME structure, so just insert them
 	    ;; immediately.
-	    (let ((handle (mm-get-content-id
-			   (setq url (match-string 1 url))))
-		  image)
-	      (when handle
-		(mm-with-part handle
-		  (setq image (gnus-create-image (buffer-string)
-						 nil t))))
+	    (let* ((handle (mm-get-content-id
+                            (setq url (match-string 1 url))))
+                   (image (when handle
+                            (gnus-create-image (mm-with-part handle (buffer-string))
+                                               nil t))))
 	      (when image
                 (let ((string (buffer-substring start end)))
                   (delete-region start end)
-                  (gnus-put-image image (gnus-string-or string "*") 'cid)
+                  (gnus-put-image (gnus-rescale-image image (gnus-html-maximum-image-size))
+                                  (gnus-string-or string "*") 'cid)
                   (gnus-add-image 'cid image))))
 	  ;; Normal, external URL.
           (let ((alt-text (when (string-match "\\(alt\\|title\\)=\"\\([^\"]+\\)"
@@ -398,7 +397,22 @@ Return a string with image data."
               (search-forward "\r\n\r\n" nil t))
       (buffer-substring (point) (point-max)))))
 
+(defun gnus-html-maximum-image-size ()
+  "Return the maximum size of an image according to `gnus-max-image-proportion'."
+  (let ((edges (gnus-window-inside-pixel-edges
+                (get-buffer-window (current-buffer)))))
+    ;; (width . height)
+    (cons
+     ;; Aimed width
+     (truncate
+      (* gnus-max-image-proportion
+         (- (nth 2 edges) (nth 0 edges))))
+     ;; Aimed height
+     (truncate (* gnus-max-image-proportion
+                  (- (nth 3 edges) (nth 1 edges)))))))
+
 (defun gnus-html-put-image (data url &optional alt-text)
+  "Put an image with DATA from URL and optional ALT-TEXT."
   (when (gnus-graphic-display-p)
     (let* ((start (text-property-any (point-min) (point-max)
 				     'gnus-image-url url))
@@ -434,19 +448,7 @@ Return a string with image data."
                                  (= (car size) 30)
                                  (= (cdr size) 30))))
                   ;; Good image, add it!
-                  (let ((image (gnus-rescale-image
-                                image
-                                (let ((edges (gnus-window-inside-pixel-edges
-                                              (get-buffer-window (current-buffer)))))
-                                  ;; (width . height)
-                                  (cons
-                                   ;; Aimed width
-                                   (truncate
-                                    (* gnus-max-image-proportion
-                                       (- (nth 2 edges) (nth 0 edges))))
-                                   ;; Aimed height
-                                   (truncate (* gnus-max-image-proportion
-                                                (- (nth 3 edges) (nth 1 edges)))))))))
+                  (let ((image (gnus-rescale-image image (gnus-html-maximum-image-size))))
                     (delete-region start end)
                     (gnus-put-image image alt-text 'external)
                     (gnus-put-text-property start (point) 'help-echo alt-text)
diff --git a/lisp/gnus/sieve-manage.el b/lisp/gnus/sieve-manage.el
index 8749864d81b..69f21b0112f 100644
--- a/lisp/gnus/sieve-manage.el
+++ b/lisp/gnus/sieve-manage.el
@@ -553,13 +553,18 @@ password is remembered in the buffer."
 	  (setq sieve-manage-state 'auth)))))
 
 (defun sieve-manage-capability (&optional name value buffer)
+  "Check if capability NAME of server BUFFER match VALUE.
+If it does, return the server value of NAME. If not returns nil.
+If VALUE is nil, do not check VALUE and return server value.
+If NAME is nil, return the full server list of capabilities."
   (with-current-buffer (or buffer (current-buffer))
     (if (null name)
 	sieve-manage-capability
-      (if (null value)
-	  (nth 1 (assoc name sieve-manage-capability))
-	(when (string-match value (nth 1 (assoc name sieve-manage-capability)))
-	  (nth 1 (assoc name sieve-manage-capability)))))))
+      (let ((server-value (cadr (assoc name sieve-manage-capability))))
+        (when (or (null value)
+                  (and server-value
+                       (string-match value server-value)))
+          server-value)))))
 
 (defun sieve-manage-listscripts (&optional buffer)
   (with-current-buffer (or buffer (current-buffer))
-- 
2.11.4.GIT