(require 'mm-view)
(require 'message)
(require 'mm-decode)
+(require 'mailcap)
(require 'notmuch-lib)
(require 'notmuch-query)
(narrow-to-region start (point-max))
(run-hooks 'notmuch-show-markup-headers-hook)))))
-(defun notmuch-show-insert-part-header (content-type &optional name)
- (let ((start (point)))
- ;; XXX dme: Make this a more useful button (save the part, display
- ;; external, etc.)
- (insert "[ Part of type "
- content-type
- (if name (concat " named " name) "")
- ". ]\n")
- (overlay-put (make-overlay start (point)) 'face 'bold)))
+(define-button-type 'notmuch-show-part-button-type
+ 'action 'notmuch-show-part-button-action
+ 'follow-link t
+ 'face 'message-mml)
+
+(defun notmuch-show-insert-part-header (nth content-type declared-type &optional name)
+ (insert-button
+ (concat "[ "
+ (if name (concat name ": ") "")
+ declared-type
+ (if (not (string-equal declared-type content-type))
+ (concat " (as " content-type ")")
+ "")
+ " ]\n")
+ :type 'notmuch-show-part-button-type
+ :notmuch-part nth
+ :notmuch-filename name))
;; Functions handling particular MIME parts.
-(defun notmuch-show-mm-display-part-inline (part content-type)
- "Use the mm-decode/mm-view functions to display a part inline, if possible."
- (let ((handle (mm-make-handle nil (list content-type))))
- (if (and (mm-inlinable-p handle)
- (mm-inlined-p handle))
- (progn
- (insert (with-temp-buffer
- (let ((display-buffer (current-buffer)))
- (with-temp-buffer
- (let ((work-buffer (current-buffer)))
- (insert (plist-get part :content))
- (set-buffer display-buffer)
- (mm-display-part (mm-make-handle work-buffer
- (list content-type)))
- (buffer-string))))))
- t)))
- nil)
-
-(defun notmuch-show-insert-part-text/plain (part content-type nth depth)
+(defun notmuch-show-save-part (message-id nth &optional filename)
+ (with-temp-buffer
+ ;; Always acquires the part via `notmuch part', even if it is
+ ;; available in the JSON output.
+ (insert (notmuch-show-get-bodypart-internal message-id nth))
+ (let ((file (read-file-name
+ "Filename to save as: "
+ (or mailcap-download-directory "~/")
+ nil nil
+ filename))
+ (require-final-newline nil)
+ (coding-system-for-write 'no-conversion))
+ (write-region (point-min) (point-max) file))))
+
+(defun notmuch-show-mm-display-part-inline (msg part content-type content)
+ "Use the mm-decode/mm-view functions to display a part in the
+current buffer, if possible."
+ (let ((display-buffer (current-buffer)))
+ (with-temp-buffer
+ (insert content)
+ (let ((handle (mm-make-handle (current-buffer) (list content-type))))
+ (set-buffer display-buffer)
+ (if (and (mm-inlinable-p handle)
+ (mm-inlined-p handle))
+ (progn
+ (mm-display-part handle)
+ t)
+ nil)))))
+
+(defun notmuch-show-insert-part-text/plain (msg part content-type nth depth declared-type)
(let ((start (point)))
;; If this text/plain part is not the first part in the message,
;; insert a header to make this clear.
(if (> nth 1)
- (notmuch-show-insert-part-header content-type (plist-get part :filename)))
- (insert (plist-get part :content))
+ (notmuch-show-insert-part-header nth declared-type content-type (plist-get part :filename)))
+ (insert (notmuch-show-get-bodypart-content msg part nth))
(save-excursion
(save-restriction
(narrow-to-region start (point-max))
(run-hook-with-args 'notmuch-show-insert-text/plain-hook depth))))
t)
-(defun notmuch-show-insert-part-*/* (part content-type nth depth)
- (notmuch-show-insert-part-header content-type (plist-get part :filename))
- ;; If we have the content for the part, attempt to inline it.
- (if (plist-get part :content)
- (notmuch-show-mm-display-part-inline part content-type))
+(defun notmuch-show-insert-part-application/octet-stream (msg part content-type nth depth declared-type)
+ ;; If we can deduce a MIME type from the filename of the attachment,
+ ;; do so and pass it on to the handler for that type.
+ (if (plist-get part :filename)
+ (let ((extension (file-name-extension (plist-get part :filename)))
+ mime-type)
+ (if extension
+ (progn
+ (mailcap-parse-mimetypes)
+ (setq mime-type (mailcap-extension-to-mime extension))
+ (if (and mime-type
+ (not (string-equal mime-type "application/octet-stream")))
+ (notmuch-show-insert-bodypart-internal msg part mime-type nth depth content-type)
+ nil))
+ nil))))
+
+(defun notmuch-show-insert-part-*/* (msg part content-type nth depth declared-type)
+ ;; This handler _must_ succeed - it is the handler of last resort.
+ (notmuch-show-insert-part-header nth content-type declared-type (plist-get part :filename))
+ (let ((content (notmuch-show-get-bodypart-content msg part nth)))
+ (if content
+ (notmuch-show-mm-display-part-inline msg part content-type content)))
t)
;; Functions for determining how to handle MIME parts.
(intern (concat "notmuch-show-insert-part-" content-type))))
result))
+;; Helper for parts which are generally not included in the default
+;; JSON output.
+
+(defun notmuch-show-get-bodypart-internal (message-id part-number)
+ (with-temp-buffer
+ (let ((coding-system-for-read 'no-conversion))
+ (call-process notmuch-command nil t nil
+ "part" (format "--part=%s" part-number) message-id)
+ (buffer-string))))
+
+(defun notmuch-show-get-bodypart-content (msg part nth)
+ (or (plist-get part :content)
+ (notmuch-show-get-bodypart-internal (concat "id:" (plist-get msg :id)) nth)))
+
;; \f
-(defun notmuch-show-insert-bodypart (part depth)
- "Insert the body part PART at depth DEPTH in the current thread."
- (let* ((content-type (downcase (plist-get part :content-type)))
- (handlers (notmuch-show-handlers-for content-type))
- (nth (plist-get part :id)))
+(defun notmuch-show-insert-bodypart-internal (msg part content-type nth depth declared-type)
+ (let ((handlers (notmuch-show-handlers-for content-type)))
;; Run the content handlers until one of them returns a non-nil
;; value.
(while (and handlers
- (not (funcall (car handlers) part content-type nth depth)))
+ (not (funcall (car handlers) msg part content-type nth depth declared-type)))
(setq handlers (cdr handlers))))
+ t)
+
+(defun notmuch-show-insert-bodypart (msg part depth)
+ "Insert the body part PART at depth DEPTH in the current thread."
+ (let ((content-type (downcase (plist-get part :content-type)))
+ (nth (plist-get part :id)))
+ (notmuch-show-insert-bodypart-internal msg part content-type nth depth content-type))
+ ;; Some of the body part handlers leave point somewhere up in the
+ ;; part, so we make sure that we're down at the end.
+ (goto-char (point-max))
;; Ensure that the part ends with a carriage return.
(if (not (bolp))
- (insert "\n"))
- )
+ (insert "\n")))
-(defun notmuch-show-insert-body (body depth)
+(defun notmuch-show-insert-body (msg body depth)
"Insert the body BODY at depth DEPTH in the current thread."
- (mapc '(lambda (part) (notmuch-show-insert-bodypart part depth)) body))
+ (mapc '(lambda (part) (notmuch-show-insert-bodypart msg part depth)) body))
(defun notmuch-show-make-symbol (type)
(make-symbol (concat "notmuch-show-" type)))
(setq headers-end (point-marker))
(setq body-start (point-marker))
- (notmuch-show-insert-body (plist-get msg :body) depth)
+ (notmuch-show-insert-body msg (plist-get msg :body) depth)
;; Ensure that the body ends with a newline.
(if (not (bolp))
(insert "\n"))
(save-excursion
(let* ((basic-args (list thread-id))
(args (if query-context
- (append basic-args (list "and (" query-context ")"))
- basic-args)))
+ (append (list "\"") basic-args (list "and (" query-context ")\""))
+ (append (list "\"") basic-args (list "\"")))))
(notmuch-show-insert-forest (notmuch-query-get-threads args))
;; If the query context reduced the results to nothing, run
;; the basic query.
(interactive)
(notmuch-show-do-stash (notmuch-show-get-to)))
+;; Commands typically bound to buttons.
+
+(defun notmuch-show-part-button-action (button)
+ (let ((nth (button-get button :notmuch-part)))
+ (if nth
+ (notmuch-show-save-part (notmuch-show-get-message-id) nth
+ (button-get button :notmuch-filename))
+ (message "Not a valid part (is it a fake part?)."))))
+
;;
(provide 'notmuch-show)