(require 'cl)
(require 'mm-view)
(require 'message)
+(require 'mm-decode)
+(require 'mailcap)
(require 'notmuch-lib)
(require 'notmuch-query)
+(require 'notmuch-wash)
(declare-function notmuch-call-notmuch-process "notmuch" (&rest args))
(declare-function notmuch-reply "notmuch" (query-string))
(declare-function notmuch-select-tag-with-completion "notmuch" (prompt &rest search-terms))
(declare-function notmuch-search-show-thread "notmuch" nil)
-(defvar notmuch-show-citation-regexp
- "\\(?:^[[:space:]]>.*\n\\(?:[[:space:]]*\n[[:space:]]>.*\n\\)?\\)+"
- "Pattern to match citation lines.")
-
-(defvar notmuch-show-signature-regexp
- "^\\(-- ?\\|_+\\)$"
- "Pattern to match a line that separates content from signature.")
-
-(defvar notmuch-show-signature-button-format
- "[ %d-line signature. Click/Enter to toggle visibility. ]"
- "String used to construct button text for hidden signatures
-
-Can use up to one integer format parameter, i.e. %d")
-
-(defvar notmuch-show-citation-button-format
- "[ %d more citation lines. Click/Enter to toggle visibility. ]"
- "String used to construct button text for hidden citations.
-
-Can use up to one integer format parameter, i.e. %d")
-
-(defvar notmuch-show-signature-lines-max 12
- "Maximum length of signature that will be hidden by default.")
-
-(defvar notmuch-show-citation-lines-prefix 3
- "Always show at least this many lines at the start of a citation.
-
-If there is one more line than the sum of
-`notmuch-show-citation-lines-prefix' and
-`notmuch-show-citation-lines-suffix', show that, otherwise
-collapse remaining lines into a button.")
-
-(defvar notmuch-show-citation-lines-suffix 3
- "Always show at least this many lines at the end of a citation.
-
-If there is one more line than the sum of
-`notmuch-show-citation-lines-prefix' and
-`notmuch-show-citation-lines-suffix', show that, otherwise
-collapse remaining lines into a button.")
-
(defvar notmuch-show-headers '("Subject" "To" "Cc" "From" "Date")
"Headers that should be shown in a message, in this order. Note
that if this order is changed the headers shown when a message is
"A list of functions called after populating a
`notmuch-show' buffer.")
+(defvar notmuch-show-insert-text/plain-hook '(notmuch-wash-text/plain-citations)
+ "A list of functions called to clean up text/plain body parts.")
+
(defun notmuch-show-pretty-hook ()
(goto-address-mode 1)
(visual-line-mode))
-(defun notmuch-toggle-invisible-action (cite-button)
- (let ((invis-spec (button-get cite-button 'invisibility-spec)))
- (if (invisible-p invis-spec)
- (remove-from-invisibility-spec invis-spec)
- (add-to-invisibility-spec invis-spec)
- ))
- (force-window-update)
- (redisplay t))
-
-(define-button-type 'notmuch-button-invisibility-toggle-type
- 'action 'notmuch-toggle-invisible-action
- 'follow-link t
- 'face 'font-lock-comment-face)
-(define-button-type 'notmuch-button-citation-toggle-type
- 'help-echo "mouse-1, RET: Show citation"
- :supertype 'notmuch-button-invisibility-toggle-type)
-(define-button-type 'notmuch-button-signature-toggle-type
- 'help-echo "mouse-1, RET: Show signature"
- :supertype 'notmuch-button-invisibility-toggle-type)
-(define-button-type 'notmuch-button-headers-toggle-type
- 'help-echo "mouse-1, RET: Show headers"
- :supertype 'notmuch-button-invisibility-toggle-type)
-
-(defun notmuch-show-region-to-button (beg end type prefix button-text)
- "Auxilary function to do the actual making of overlays and buttons
-
-BEG and END are buffer locations. TYPE should a string, either
-\"citation\" or \"signature\". PREFIX is some arbitrary text to
-insert before the button, probably for indentation. BUTTON-TEXT
-is what to put on the button."
-
-;; This uses some slightly tricky conversions between strings and
-;; symbols because of the way the button code works. Note that
-;; replacing intern-soft with make-symbol will cause this to fail,
-;; since the newly created symbol has no plist.
-
- (let ((overlay (make-overlay beg end))
- (invis-spec (make-symbol (concat "notmuch-" type "-region")))
- (button-type (intern-soft (concat "notmuch-button-"
- type "-toggle-type"))))
- (add-to-invisibility-spec invis-spec)
- (overlay-put overlay 'invisible invis-spec)
- (goto-char (1+ end))
- (save-excursion
- (goto-char (1- beg))
- (insert prefix)
- (insert-button button-text
- 'invisibility-spec invis-spec
- :type button-type))))
-
(defmacro with-current-notmuch-show-message (&rest body)
"Evaluate body with current buffer set to the text of current message"
`(save-excursion
(narrow-to-region start (point-max))
(run-hooks 'notmuch-show-markup-headers-hook)))))
-(defun notmuch-show-insert-part-header (content-type)
- (let ((start (point)))
- ;; XXX dme: Make this a more useful button (save the part, display
- ;; external, etc.)
- (insert "[ Part of type " content-type ". ]\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-markup-citations ()
- "Markup citations, and up to one signature in the buffer."
- (let ((depth 0)
- (indent "\n"))
- (goto-char (point-min))
- (beginning-of-line)
- (while (and (< (point) (point-max))
- (re-search-forward notmuch-show-citation-regexp nil t))
- (let* ((cite-start (match-beginning 0))
- (cite-end (match-end 0))
- (cite-lines (count-lines cite-start cite-end)))
- (when (> cite-lines (1+ notmuch-show-citation-lines-prefix))
- (goto-char cite-start)
- (forward-line notmuch-show-citation-lines-prefix)
- (let ((hidden-start (point-marker)))
- (goto-char cite-end)
- (notmuch-show-region-to-button
- hidden-start (point-marker)
- "citation" indent
- (format notmuch-show-citation-button-format
- (- cite-lines notmuch-show-citation-lines-prefix)))))))
- (if (and (not (eobp))
- (re-search-forward notmuch-show-signature-regexp nil t))
- (let* ((sig-start (match-beginning 0))
- (sig-end (match-end 0))
- (sig-lines (1- (count-lines sig-start (point-max)))))
- (if (<= sig-lines notmuch-show-signature-lines-max)
- (let ((sig-start-marker (make-marker))
- (sig-end-marker (make-marker)))
- (set-marker sig-start-marker sig-start)
- (set-marker sig-end-marker (point-max))
- (notmuch-show-region-to-button
- sig-start-marker sig-end-marker
- "signature" indent
- (format notmuch-show-signature-button-format sig-lines))))))))
-
-(defun notmuch-show-insert-part-text/plain (part content-type 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)))
- (insert (plist-get part :content))
+ ;; 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 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))
- (notmuch-show-markup-citations))))
+ (run-hook-with-args 'notmuch-show-insert-text/plain-hook depth))))
t)
-(defun notmuch-show-insert-part-text/* (part content-type depth)
- ;; Handle all text types other than text/html.
- (if (string-equal "text/html" content-type)
- nil
- (notmuch-show-insert-part-header content-type)
- (insert (plist-get part :content))
- t))
-
-(defun notmuch-show-insert-part-*/* (part content-type depth)
- (notmuch-show-insert-part-header 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)))
+(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 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"))
(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)