(require 'browse-url)
(defcustom gnus-html-image-cache-ttl (days-to-time 7)
- "Time in seconds used to cache the image on disk."
+ "Time used to determine if we should use images from the cache."
:version "24.1"
:group 'gnus-art
:type 'integer)
+(defcustom gnus-html-image-automatic-caching t
+ "Whether automatically cache retrieve images."
+ :version "24.1"
+ :group 'gnus-art
+ :type 'boolean)
+
(defcustom gnus-html-frame-width 70
"What width to use when rendering HTML."
:version "24.1"
:group 'gnus-art
:type 'regexp)
-(defcustom gnus-max-image-proportion 0.7
+(defcustom gnus-max-image-proportion 0.9
"How big pictures displayed are in relation to the window they're in.
A value of 0.7 means that they are allowed to take up 70% of the
width and height of the window. If they are larger than this,
(let ((alt-text (when (string-match "\\(alt\\|title\\)=\"\\([^\"]+\\)"
parameters)
(xml-substitute-special (match-string 2 parameters)))))
+ (gnus-put-text-property start end 'gnus-image-url url)
(if (gnus-html-image-url-blocked-p
url
(if (buffer-live-p gnus-summary-buffer)
:keymap gnus-html-image-map
:button-keymap gnus-html-image-map)
(let ((overlay (gnus-make-overlay start end))
- (spec (list url
- (set-marker (make-marker) start)
- (set-marker (make-marker) end)
- alt-text)))
+ (spec (list url alt-text)))
(gnus-overlay-put overlay 'local-map gnus-html-image-map)
(gnus-overlay-put overlay 'gnus-image spec)
- (gnus-put-text-property start end 'gnus-image-url url)
(gnus-put-text-property
start end
'gnus-image spec)))
;; asynchronously.
(gnus-html-schedule-image-fetching
(current-buffer)
- (list url
- (set-marker (make-marker) start)
- (set-marker (make-marker) end)
- alt-text))
+ (list url alt-text))
;; It's already cached, so just insert it.
- (gnus-html-put-image (gnus-html-get-image-data url)
- start end url alt-text)))
+ (gnus-html-put-image (gnus-html-get-image-data url) url alt-text)))
(defun gnus-html-wash-tags ()
(let (tag parameters string start end images url)
(list buffer image))))
(defun gnus-html-image-fetched (status buffer image)
- (url-store-in-cache (current-buffer))
- (when (and (search-forward "\n\n" nil t)
- (buffer-live-p buffer)
- ;; If the `image' has no marker, do not replace anything
- (cadr image)
- ;; If the position of the marker is 1, then that
- ;; means that the text it was in has been deleted;
- ;; i.e., that the user has selected a different
- ;; article before the image arrived.
- (not (= (marker-position (cadr image))
- (with-current-buffer buffer
- (point-min)))))
- (let ((data (buffer-substring (point) (point-max))))
- (with-current-buffer buffer
- (let ((inhibit-read-only t))
- (gnus-html-put-image data (cadr image) (caddr image) (car image) (cadddr image))))))
+ "Callback function called when image has been fetched."
+ (unless (plist-get status :error)
+ (when gnus-html-image-automatic-caching
+ (url-store-in-cache (current-buffer)))
+ (when (and (or (search-forward "\n\n" nil t)
+ (search-forward "\r\n\r\n" nil t))
+ (buffer-live-p buffer))
+ (let ((data (buffer-substring (point) (point-max))))
+ (with-current-buffer buffer
+ (let ((inhibit-read-only t))
+ (gnus-html-put-image data (car image) (cadr image)))))))
(kill-buffer (current-buffer)))
(defun gnus-html-get-image-data (url)
(search-forward "\r\n\r\n" nil t))
(buffer-substring (point) (point-max)))))
-(defun gnus-html-put-image (data start end &optional url alt-text)
+(defun gnus-html-put-image (data url &optional alt-text)
(when (gnus-graphic-display-p)
- (let* ((image (ignore-errors
- (gnus-create-image data nil t)))
- (size (and image
- (if (featurep 'xemacs)
- (cons (glyph-width image) (glyph-height image))
- (image-size image t)))))
- (save-excursion
- (goto-char start)
- (let ((alt-text (or alt-text (buffer-substring-no-properties start end))))
- (if (and image
- ;; Kludge to avoid displaying 30x30 gif images, which
- ;; seems to be a signal of a broken image.
- (not (and (if (featurep 'xemacs)
- (glyphp image)
- (listp image))
- (eq (if (featurep 'xemacs)
- (let ((d (cdadar (specifier-spec-list
- (glyph-image image)))))
- (and (vectorp d)
- (aref d 0)))
- (plist-get (cdr image) :type))
- 'gif)
- (= (car size) 30)
- (= (cdr size) 30))))
- ;; Good image, add it!
- (let ((image (gnus-html-rescale-image image data size)))
- (delete-region start end)
- (gnus-put-image image alt-text 'external)
- (gnus-put-text-property start (point) 'help-echo alt-text)
- (gnus-overlay-put (gnus-make-overlay start (point)) 'local-map
- gnus-html-displayed-image-map)
- (gnus-put-text-property start (point) 'gnus-alt-text alt-text)
- (when url
- (gnus-put-text-property start (point) 'gnus-image-url url))
- (gnus-add-image 'external image)
- t)
- ;; Bad image, try to show something else
- (delete-region start end)
- (when (fboundp 'find-image)
- (setq image (find-image '((:type xpm :file "lock-broken.xpm"))))
- (gnus-put-image image alt-text 'internal)
- (gnus-add-image 'internal image))
- nil))))))
+ (let* ((start (text-property-any (point-min) (point-max) 'gnus-image-url url))
+ (end (when start
+ (next-single-property-change start 'gnus-image-url))))
+ ;; Image found?
+ (when start
+ (let* ((image
+ (ignore-errors
+ (gnus-create-image data nil t)))
+ (size (and image
+ (if (featurep 'xemacs)
+ (cons (glyph-width image) (glyph-height image))
+ (image-size image t)))))
+ (save-excursion
+ (goto-char start)
+ (let ((alt-text (or alt-text (buffer-substring-no-properties start end))))
+ (if (and image
+ ;; Kludge to avoid displaying 30x30 gif images, which
+ ;; seems to be a signal of a broken image.
+ (not (and (if (featurep 'xemacs)
+ (glyphp image)
+ (listp image))
+ (eq (if (featurep 'xemacs)
+ (let ((d (cdadar (specifier-spec-list
+ (glyph-image image)))))
+ (and (vectorp d)
+ (aref d 0)))
+ (plist-get (cdr image) :type))
+ 'gif)
+ (= (car size) 30)
+ (= (cdr size) 30))))
+ ;; Good image, add it!
+ (let ((image (gnus-html-rescale-image image data size)))
+ (delete-region start end)
+ (gnus-put-image image alt-text 'external)
+ (gnus-put-text-property start (point) 'help-echo alt-text)
+ (gnus-overlay-put (gnus-make-overlay start (point)) 'local-map
+ gnus-html-displayed-image-map)
+ (gnus-put-text-property start (point) 'gnus-alt-text alt-text)
+ (when url
+ (gnus-put-text-property start (point) 'gnus-image-url url))
+ (gnus-add-image 'external image)
+ t)
+ ;; Bad image, try to show something else
+ (when (fboundp 'find-image)
+ (delete-region start end)
+ (setq image (find-image '((:type xpm :file "lock-broken.xpm"))))
+ (gnus-put-image image alt-text 'internal)
+ (gnus-add-image 'internal image))
+ nil))))))))
(defun gnus-html-rescale-image (image data size)
(if (or (not (fboundp 'imagemagick-types))
projects / gnus / blobdiff