mirror of https://github.com/djcb/mu.git
mu4e-actions/view: Reorganize example actions a bit
The ones that require the "old" view (now or in the near future) are move to mu4e-view-old.el.
This commit is contained in:
Dirk-Jan C. Binnema
parent
57510dd8a0
commit
33fb6c58cf
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@ -1,6 +1,6 @@
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;;; mu4e-actions.el -- part of mu4e, the mu mail user agent -*- lexical-binding: t -*-
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;; Copyright (C) 2011-2019 Dirk-Jan C. Binnema
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;; Copyright (C) 2011-2021 Dirk-Jan C. Binnema
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;; Author: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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;; Maintainer: Dirk-Jan C. Binnema <djcb@djcbsoftware.nl>
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@ -52,124 +52,6 @@ Works for headers view and message-view."
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(shell-command-to-string
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(concat "wc -l < " (shell-quote-argument (mu4e-message-field msg :path))))))
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;;; To PDF
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(defvar mu4e-msg2pdf
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(let ((exec-path (cons (concat mu4e-builddir "/toys/msg2pdf/") exec-path)))
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(locate-file "msg2pdf" exec-path exec-suffixes))
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"Path to the msg2pdf toy.")
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(defun mu4e-action-view-as-pdf (msg)
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"Convert MSG to pdf, then show it.
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Works for the message view."
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(unless (file-executable-p mu4e-msg2pdf)
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(mu4e-error "Program msg2pdf not found; please set `mu4e-msg2pdf'"))
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(let* ((pdf
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(shell-command-to-string
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(concat mu4e-msg2pdf " "
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(shell-quote-argument (mu4e-message-field msg :path))
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" 2> /dev/null")))
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(pdf (and pdf (> (length pdf) 5)
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(substring pdf 0 -1)))) ;; chop \n
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(unless (and pdf (file-exists-p pdf))
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(mu4e-warn "Failed to create PDF file"))
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(find-file pdf)))
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;;; To HTML
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(defun mu4e~action-header-to-html (msg field)
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"Convert the FIELD of MSG to an HTML string."
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(mapconcat
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(lambda(c)
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(let* ((name (when (car c)
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(replace-regexp-in-string "[[:cntrl:]]" "" (car c))))
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(email (when (cdr c)
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(replace-regexp-in-string "[[:cntrl:]]" "" (cdr c))))
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(addr (if mu4e-view-show-addresses
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(if name (format "%s <%s>" name email) email)
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(or name email))) ;; name may be nil
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;; Escape HTML entities
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(addr (replace-regexp-in-string "&" "&" addr))
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(addr (replace-regexp-in-string "<" "<" addr))
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(addr (replace-regexp-in-string ">" ">" addr)))
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addr))
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(mu4e-message-field msg field) ", "))
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(defun mu4e~write-body-to-html (msg)
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"Write MSG's body (either html or text) to a temporary file;
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return the filename."
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(let* ((html (mu4e-message-field msg :body-html))
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(txt (mu4e-message-field msg :body-txt))
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(tmpfile (mu4e-make-temp-file "html"))
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(attachments (cl-remove-if (lambda (part)
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(or (null (plist-get part :attachment))
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(null (plist-get part :cid))))
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(mu4e-message-field msg :parts))))
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(unless (or html txt)
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(mu4e-error "No body part for this message"))
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(with-temp-buffer
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(insert "<head><meta charset=\"UTF-8\"></head>\n")
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(insert (concat "<p><strong>From</strong>: "
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(mu4e~action-header-to-html msg :from) "</br>"))
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(insert (concat "<strong>To</strong>: "
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(mu4e~action-header-to-html msg :to) "</br>"))
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(insert (concat "<strong>Date</strong>: "
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(format-time-string mu4e-view-date-format (mu4e-message-field msg :date)) "</br>"))
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(insert (concat "<strong>Subject</strong>: " (mu4e-message-field msg :subject) "</p>"))
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(insert (or html (concat "<pre>" txt "</pre>")))
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(write-file tmpfile)
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;; rewrite attachment urls
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(mapc (lambda (attachment)
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(goto-char (point-min))
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(while (re-search-forward (format "src=\"cid:%s\""
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(plist-get attachment :cid)) nil t)
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(if (plist-get attachment :temp)
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(replace-match (format "src=\"%s\""
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(plist-get attachment :temp)))
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(replace-match (format "src=\"%s%s\"" temporary-file-directory
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(plist-get attachment :name)))
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(let ((tmp-attachment-name
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(format "%s%s" temporary-file-directory
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(plist-get attachment :name))))
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(mu4e~proc-extract 'save (mu4e-message-field msg :docid)
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(plist-get attachment :index)
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mu4e-decryption-policy tmp-attachment-name)
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(mu4e-remove-file-later tmp-attachment-name)))))
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attachments)
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(save-buffer)
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tmpfile)))
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(defun mu4e-action-view-in-browser (msg)
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"View the body of MSG in a web browser.
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You can influence the browser to use with the variable
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`browse-url-generic-program', and see the discussion of privacy
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aspects in `(mu4e) Displaying rich-text messages'."
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(browse-url (concat "file://"
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(mu4e~write-body-to-html msg))))
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(defun mu4e-action-view-with-xwidget (msg)
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"View the body of MSG inside xwidget-webkit.
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This is only available in Emacs 25+; also see the discussion of
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privacy aspects in `(mu4e) Displaying rich-text messages'."
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(unless (fboundp 'xwidget-webkit-browse-url)
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(mu4e-error "No xwidget support available"))
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(xwidget-webkit-browse-url
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(concat "file://" (mu4e~write-body-to-html msg)) t))
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;;; To speech
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(defconst mu4e-text2speech-command "festival --tts"
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"Program that speaks out text it receives on standard input.")
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(defun mu4e-action-message-to-speech (msg)
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"Pronounce MSG's body text using `mu4e-text2speech-command'."
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(unless (mu4e-message-field msg :body-txt)
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(mu4e-warn "No text body for this message"))
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(with-temp-buffer
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(insert (mu4e-message-field msg :body-txt))
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(shell-command-on-region (point-min) (point-max)
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mu4e-text2speech-command)))
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;;; Org Helpers
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(defvar mu4e-captured-message nil
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@ -995,6 +995,105 @@ If MSG is nil, use the message at point."
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(local-set-key "q" 'kill-buffer-and-window))
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(setq buffer-read-only t))
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(select-window win)))
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;; Actions that are only available for the old view
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;;; To HTML
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(defun mu4e~action-header-to-html (msg field)
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"Convert the FIELD of MSG to an HTML string."
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(mapconcat
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(lambda(c)
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(let* ((name (when (car c)
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(replace-regexp-in-string "[[:cntrl:]]" "" (car c))))
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(email (when (cdr c)
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(replace-regexp-in-string "[[:cntrl:]]" "" (cdr c))))
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(addr (if mu4e-view-show-addresses
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(if name (format "%s <%s>" name email) email)
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(or name email))) ;; name may be nil
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;; Escape HTML entities
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(addr (replace-regexp-in-string "&" "&" addr))
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(addr (replace-regexp-in-string "<" "<" addr))
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(addr (replace-regexp-in-string ">" ">" addr)))
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addr))
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(mu4e-message-field msg field) ", "))
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(defun mu4e~write-body-to-html (msg)
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"Write MSG's body (either html or text) to a temporary file;
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return the filename."
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(let* ((html (mu4e-message-field msg :body-html))
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(txt (mu4e-message-field msg :body-txt))
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(tmpfile (mu4e-make-temp-file "html"))
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(attachments (cl-remove-if (lambda (part)
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(or (null (plist-get part :attachment))
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(null (plist-get part :cid))))
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(mu4e-message-field msg :parts))))
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(unless (or html txt)
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(mu4e-error "No body part for this message"))
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(with-temp-buffer
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(insert "<head><meta charset=\"UTF-8\"></head>\n")
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(insert (concat "<p><strong>From</strong>: "
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(mu4e~action-header-to-html msg :from) "</br>"))
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(insert (concat "<strong>To</strong>: "
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(mu4e~action-header-to-html msg :to) "</br>"))
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(insert (concat "<strong>Date</strong>: "
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(format-time-string mu4e-view-date-format (mu4e-message-field msg :date)) "</br>"))
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(insert (concat "<strong>Subject</strong>: " (mu4e-message-field msg :subject) "</p>"))
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(insert (or html (concat "<pre>" txt "</pre>")))
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(write-file tmpfile)
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;; rewrite attachment urls
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(mapc (lambda (attachment)
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(goto-char (point-min))
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(while (re-search-forward (format "src=\"cid:%s\""
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(plist-get attachment :cid)) nil t)
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(if (plist-get attachment :temp)
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(replace-match (format "src=\"%s\""
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(plist-get attachment :temp)))
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(replace-match (format "src=\"%s%s\"" temporary-file-directory
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(plist-get attachment :name)))
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(let ((tmp-attachment-name
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(format "%s%s" temporary-file-directory
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(plist-get attachment :name))))
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(mu4e~proc-extract 'save (mu4e-message-field msg :docid)
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(plist-get attachment :index)
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mu4e-decryption-policy tmp-attachment-name)
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(mu4e-remove-file-later tmp-attachment-name)))))
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attachments)
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(save-buffer)
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tmpfile)))
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(defun mu4e-action-view-in-browser (msg)
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"View the body of MSG in a web browser.
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You can influence the browser to use with the variable
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`browse-url-generic-program', and see the discussion of privacy
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aspects in `(mu4e) Displaying rich-text messages'. This is only
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available for the old view."
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(browse-url (concat "file://" (mu4e~write-body-to-html msg))))
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(defun mu4e-action-view-with-xwidget (msg)
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"View the body of MSG inside xwidget-webkit.
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This is only available in Emacs 25+; also see the discussion of
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privacy aspects in `(mu4e) Displaying rich-text messages'."
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(unless (fboundp 'xwidget-webkit-browse-url)
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(mu4e-error "No xwidget support available"))
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(xwidget-webkit-browse-url
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(concat "file://" (mu4e~write-body-to-html msg)) t))
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;;; To speech
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(defconst mu4e-text2speech-command "festival --tts"
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"Program that speaks out text it receives on standard input.")
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(defun mu4e-action-message-to-speech (msg)
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"Pronounce MSG's body text using `mu4e-text2speech-command'."
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(unless (mu4e-message-field msg :body-txt)
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(mu4e-warn "No text body for this message"))
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(with-temp-buffer
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(insert (mu4e-message-field msg :body-txt))
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(shell-command-on-region (point-min) (point-max)
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mu4e-text2speech-command)))
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;;;
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(provide 'mu4e-view-old)
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;;; mu4e-view-old.el ends here
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