X-Git-Url: http://cgit.sxemacs.org/?a=blobdiff_plain;f=lisp%2Fgnus-html.el;h=174e128a7e96f4e1f534de13c3861f30b11c1c82;hb=258689b5503a0ce97b98b8de30468946ee8fd36b;hp=8274e20c8c13f36b1bc05e4ca8a89fb7d7805c4e;hpb=6dd239d8257f04d0967933ac66be8d49bc1457fe;p=gnus diff --git a/lisp/gnus-html.el b/lisp/gnus-html.el index 8274e20c8..174e128a7 100644 --- a/lisp/gnus-html.el +++ b/lisp/gnus-html.el @@ -169,7 +169,14 @@ CHARS is a regexp-like character alternative (e.g., \"[)$]\")." (defun gnus-html-wash-images () "Run through current buffer and replace img tags by images." - (let (tag parameters string start end images url) + (let (tag parameters string start end images url alt-text + inhibit-images blocked-images) + (if (buffer-live-p gnus-summary-buffer) + (with-current-buffer gnus-summary-buffer + (setq inhibit-images gnus-inhibit-images + blocked-images (gnus-blocked-images))) + (setq inhibit-images gnus-inhibit-images + blocked-images (gnus-blocked-images))) (goto-char (point-min)) ;; Search for all the images first. (while (re-search-forward "]*\\)>" nil t) @@ -180,74 +187,88 @@ CHARS is a regexp-like character alternative (e.g., \"[)$]\")." (delete-region (match-beginning 0) (match-end 0))) (setq end (point)) (when (string-match "src=\"\\([^\"]+\\)" parameters) - (setq url (gnus-html-encode-url (match-string 1 parameters))) (gnus-message 8 "gnus-html-wash-tags: fetching image URL %s" url) - (if (string-match "^cid:\\(.*\\)" url) + (setq url (gnus-html-encode-url (match-string 1 parameters)) + alt-text (when (string-match "\\(alt\\|title\\)=\"\\([^\"]+\\)" + parameters) + (xml-substitute-special (match-string 2 parameters)))) + (gnus-add-text-properties + start end + (list 'image-url url + 'image-displayer `(lambda (url start end) + (gnus-html-display-image url start end + ,alt-text)) + 'gnus-image (list url start end alt-text))) + (gnus-overlay-put (gnus-make-overlay start end) + 'local-map gnus-html-image-map) + (if (string-match "\\`cid:" url) ;; 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 - (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 (gnus-rescale-image image (gnus-html-maximum-image-size)) - (gnus-string-or string "*") 'cid) - (gnus-add-image 'cid image)))) + (let* ((handle (mm-get-content-id (substring url (match-end 0)))) + (image (when (and handle + (not inhibit-images)) + (gnus-create-image + (mm-with-part handle (buffer-string)) + nil t)))) + (if image + (progn + (gnus-put-image + (gnus-rescale-image + image (gnus-html-maximum-image-size)) + (gnus-string-or (prog1 + (buffer-substring start end) + (delete-region start end)) + "*") + 'cid) + (gnus-add-image 'cid image)) + (widget-convert-button + 'link start end + :action 'gnus-html-insert-image + :help-echo url + :keymap gnus-html-image-map + :button-keymap gnus-html-image-map))) ;; Normal, external URL. - (let ((alt-text (when (string-match "\\(alt\\|title\\)=\"\\([^\"]+\\)" - parameters) - (xml-substitute-special (match-string 2 parameters))))) - (gnus-put-text-property start end 'image-url url) - (if (gnus-html-image-url-blocked-p - url - (if (buffer-live-p gnus-summary-buffer) - (with-current-buffer gnus-summary-buffer - (gnus-blocked-images)) - (gnus-blocked-images))) - (progn - (widget-convert-button - 'link start end - :action 'gnus-html-insert-image - :help-echo url - :keymap gnus-html-image-map - :button-keymap gnus-html-image-map) - (let ((overlay (gnus-make-overlay start end)) - (spec (list url start end 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 spec))) - ;; Non-blocked url - (let ((width - (when (string-match "width=\"?\\([0-9]+\\)" parameters) - (string-to-number (match-string 1 parameters)))) - (height - (when (string-match "height=\"?\\([0-9]+\\)" parameters) - (string-to-number (match-string 1 parameters))))) - ;; Don't fetch images that are really small. They're - ;; probably tracking pictures. - (when (and (or (null height) - (> height 4)) - (or (null width) - (> width 4))) - (gnus-html-display-image url start end alt-text)))))))))) + (if (or inhibit-images + (gnus-html-image-url-blocked-p url blocked-images)) + (widget-convert-button + 'link start end + :action 'gnus-html-insert-image + :help-echo url + :keymap gnus-html-image-map + :button-keymap gnus-html-image-map) + ;; Non-blocked url + (let ((width + (when (string-match "width=\"?\\([0-9]+\\)" parameters) + (string-to-number (match-string 1 parameters)))) + (height + (when (string-match "height=\"?\\([0-9]+\\)" parameters) + (string-to-number (match-string 1 parameters))))) + ;; Don't fetch images that are really small. They're + ;; probably tracking pictures. + (when (and (or (null height) + (> height 4)) + (or (null width) + (> width 4))) + (gnus-html-display-image url start end alt-text))))))))) (defun gnus-html-display-image (url start end &optional alt-text) "Display image at URL on text from START to END. Use ALT-TEXT for the image string." - (if (gnus-html-cache-expired url gnus-html-image-cache-ttl) - ;; We don't have it, so schedule it for fetching - ;; asynchronously. - (gnus-html-schedule-image-fetching - (current-buffer) - (list url alt-text)) - ;; It's already cached, so just insert it. - (gnus-html-put-image (gnus-html-get-image-data url) url (or alt-text "*")))) + (or alt-text (setq alt-text "*")) + (if (string-match "\\`cid:" url) + (let ((handle (mm-get-content-id (substring url (match-end 0))))) + (when handle + (gnus-html-put-image (mm-with-part handle (buffer-string)) + url alt-text))) + (if (gnus-html-cache-expired url gnus-html-image-cache-ttl) + ;; We don't have it, so schedule it for fetching + ;; asynchronously. + (gnus-html-schedule-image-fetching + (current-buffer) + (list url alt-text)) + ;; It's already cached, so just insert it. + (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) @@ -331,7 +352,7 @@ Use ALT-TEXT for the image string." (replace-match "" t t)) (mm-url-decode-entities))) -(defun gnus-html-insert-image () +(defun gnus-html-insert-image (&rest args) "Fetch and insert the image under point." (interactive) (apply 'gnus-html-display-image (get-text-property (point) 'gnus-image))) @@ -430,7 +451,8 @@ Return a string with image data." (save-excursion (goto-char start) (let ((alt-text (or alt-text - (buffer-substring-no-properties start end)))) + (buffer-substring-no-properties start end))) + (inhibit-read-only t)) (if (and image ;; Kludge to avoid displaying 30x30 gif images, which ;; seems to be a signal of a broken image. @@ -485,13 +507,16 @@ Return a string with image data." ;;;###autoload (defun gnus-html-prefetch-images (summary) (when (buffer-live-p summary) - (let ((blocked-images (with-current-buffer summary - (gnus-blocked-images)))) + (let (inhibit-images blocked-images) + (with-current-buffer summary + (setq inhibit-images gnus-inhibit-images + blocked-images (gnus-blocked-images))) (save-match-data (while (re-search-forward "]+src=[\"']\\(http[^\"']+\\)" nil t) (let ((url (gnus-html-encode-url (mm-url-decode-entities-string (match-string 1))))) - (unless (gnus-html-image-url-blocked-p url blocked-images) + (unless (or inhibit-images + (gnus-html-image-url-blocked-p url blocked-images)) (when (gnus-html-cache-expired url gnus-html-image-cache-ttl) (gnus-html-schedule-image-fetching nil (list url))))))))))