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emacs/show: Re-arrange determination if a part header is necessary

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Move the determination of whether a part header is required to a
distinct function.
This commit is contained in:
David Edmondson 2016-02-20 18:24:35 +00:00 committed by David Bremner
parent c689d1ff13
commit 65a2a58a81
1 changed files with 21 additions and 9 deletions
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30
emacs/notmuch-show.el
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@ -921,6 +921,22 @@ will return nil if the CID is unknown or cannot be retrieved."
;; showable this returns nil.
(notmuch-show-create-part-overlays button part-beg part-end))))
(defun notmuch-show-mime-type (part)
"Return the correct mime-type to use for PART."
(let ((content-type (downcase (plist-get part :content-type))))
(or (and (string= content-type "application/octet-stream")
(notmuch-show-get-mime-type-of-application/octet-stream part))
(and (string= content-type "inline patch")
"text/x-diff")
content-type)))
(defun notmuch-show-insert-header-p (part hide)
"Return non-NIL if a header button should be inserted for this part."
;; Show all part buttons except for the first part if it is text/plain.
(let ((mime-type (notmuch-show-mime-type part)))
(not (and (string= mime-type "text/plain")
(<= (plist-get part :id) 1)))))
(defun notmuch-show-insert-bodypart (msg part depth &optional hide)
"Insert the body part PART at depth DEPTH in the current thread.
@ -931,20 +947,16 @@ is t, hide the part initially and show the button. If HIDE is
useful for quoting in replies)."
(let* ((content-type (downcase (plist-get part :content-type)))
(mime-type (or (and (string= content-type "application/octet-stream")
(notmuch-show-get-mime-type-of-application/octet-stream part))
(and (string= content-type "inline patch")
"text/x-diff")
content-type))
(mime-type (notmuch-show-mime-type part))
(nth (plist-get part :id))
(long (and (notmuch-match-content-type mime-type "text/*")
(> notmuch-show-max-text-part-size 0)
(> (length (plist-get part :content)) notmuch-show-max-text-part-size)))
(beg (point))
;; We omit the part button for the first (or only) part if
;; this is text/plain, or HIDE is 'no-buttons.
(button (unless (or (equal hide 'no-buttons)
(and (string= mime-type "text/plain") (<= nth 1)))
;; We show the part button if notmuch-show-insert-header-p
;; says to, unless HIDE is 'no-buttons.
(button (when (and (not (equal hide 'no-buttons))
(notmuch-show-insert-header-p part hide))
(notmuch-show-insert-part-header nth mime-type content-type (plist-get part :filename))))
;; Hide the part initially if HIDE is t, or if it is too long
;; and we have a button to allow toggling (thus reply which