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;; -*- lexical-binding: t -*-
;;; integration with browse-url and afio
(defun jao-eww-browse-url (url &rest _r)
"Browse URL using eww."
(if (derived-mode-p 'eww-mode)
(eww url)
(jao-afio-goto-www)
(select-window (frame-first-window))
(let* ((url (url-encode-url url))
(bf (seq-find `(lambda (b)
(with-current-buffer b
(string= ,url
(url-encode-url (eww-current-url)))))
(jao-eww-session-eww-buffers))))
(cond (bf (switch-to-buffer bf))
((string-match-p url "^file://") (eww-open-file url))
(t (eww url 4))))))
(setq jao-browse-url-function #'jao-eww-browse-url)
(setq eww-use-browse-url "^\\(gemini\\|gopher\\):")
;;; multipart html renderer
(defun jao-shr-html-renderer (handle)
(let ((fill-column nil)
(shr-width 160)
(shr-max-width 160))
(mm-shr handle)))
(setq mm-text-html-renderer #'jao-shr-html-renderer)
;;; opening URLs
(defun jao-eww-copy-link ()
(interactive)
(when-let (lnk (or (car (eww-links-at-point)) (eww-current-url)))
(message "%s" lnk)
(kill-new lnk)))
(defun jao-eww-browse (arg)
(interactive "P" eww-mode)
(setq eww-prompt-history
(cl-remove-duplicates eww-prompt-history :test #'string=))
(let ((url (completing-read (if arg "eww in new buffer: " "eww: ")
eww-prompt-history nil nil nil
'eww-prompt-history (eww-current-url))))
(eww url (when arg 4))))
(defun jao-eww-browse-new ()
(interactive nil eww-mode)
(jao-eww-browse t))
(defun jao-eww-reload (images)
(interactive "P" eww-mode)
(if images
(let ((shr-blocked-images nil))
(eww-reload t))
(call-interactively 'eww-reload)))
;;; consult narrowing
(with-eval-after-load "consult"
(defvar jao-eww-consult-history nil)
(defvar jao-eww-buffer-source
(list :name "eww buffer"
:category 'eww-buffer
:hidden t
:narrow (cons ?e "eww")
:annotate (lambda (c) (get-text-property 0 'url c))
:history 'jao-eww-consult-history
:action (lambda (b)
(jao-afio-goto-www)
(switch-to-buffer (get-text-property 0 'buffer b)))
:items
(lambda ()
(seq-map (lambda (b)
(with-current-buffer b
(let ((tl (or (plist-get eww-data :title) ""))
(url (or (eww-current-url) (buffer-name))))
(propertize (if (string-blank-p tl) url tl)
'buffer b 'url url))))
(seq-filter #'jao-www--buffer-p (buffer-list))))))
(jao-consult-add-buffer-source 'jao-eww-buffer-source))
;;; images
(defun jao-eww-next-image ()
(interactive nil eww-mode)
(when-let (p (text-property-search-forward 'image-displayer nil nil t))
(goto-char (prop-match-beginning p))))
;;; close page and reopen
(defvar jao-eww--closed-urls ())
(defun jao-eww-close ()
(interactive nil eww-mode)
(when-let (current (eww-current-url))
(add-to-list 'jao-eww--closed-urls current))
(let ((nxt (car (jao-eww-session-invisible-buffers))))
(kill-current-buffer)
(when nxt (switch-to-buffer nxt nil t))))
(defun jao-eww-reopen (arg)
(interactive "P")
(if (> (length jao-eww--closed-urls) 0)
(let ((url (completing-read "URL: " jao-eww--closed-urls)))
(jao-afio-goto-www)
(setq jao-eww--closed-urls (remove url jao-eww--closed-urls))
(eww url (when arg 4)))
(message "No previously closed URLs.")))
(defun jao-eww-reopen-new ()
(interactive)
(jao-eww-reopen t))
;;; sessions
(use-package jao-eww-session
:custom ((jao-eww-session-file "~/.emacs.d/cache/eww-session.eld")))
;;; eww to org
(defun jao-eww-to-org (&optional dest)
(interactive)
(unless (org-region-active-p)
(let ((shr-width 80)) (eww-readable)))
(let* ((start (if (org-region-active-p) (region-beginning) (point-min)))
(end (if (org-region-active-p) (region-end) (point-max)))
(buff (or dest (generate-new-buffer "*eww-to-org*")))
(link (eww-current-url))
(title (or (plist-get eww-data :title) "")))
(with-current-buffer buff
(insert "#+title: " title "\n#+link: " link "\n\n")
(org-mode))
(save-excursion
(goto-char start)
(while (< (point) end)
(let* ((p (point))
(props (text-properties-at p))
(k (seq-find (lambda (x) (plist-get props x))
'(shr-url image-url outline-level face)))
(prop (and k (list k (plist-get props k))))
(next (if prop
(next-single-property-change p (car prop) nil end)
(next-property-change p nil end)))
(txt (buffer-substring (point) next))
(txt (replace-regexp-in-string "\\*" "·" txt)))
(with-current-buffer buff
(insert
(pcase prop
((and (or `(shr-url ,url) `(image-url ,url))
(guard (string-match-p "^http" url)))
(let ((tt (replace-regexp-in-string "\n\\([^$]\\)" " \\1" txt)))
(org-link-make-string url tt)))
(`(outline-level ,n)
(concat (make-string (- (* 2 n) 1) ?*) " " txt "\n"))
('(face italic) (format "/%s/ " (string-trim txt)))
('(face bold) (format "*%s* " (string-trim txt)))
(_ txt))))
(goto-char next))))
(pop-to-buffer buff)
(goto-char (point-min))))
;;; package
(use-package shr
:custom ((shr-width nil)
(shr-use-colors t)
(shr-use-fonts nil)
(shr-max-width 160)
(shr-blocked-images nil)
(shr-inhibit-images t)
(shr-max-image-proportion 0.8)
(shr-hr-line ?―)))
(use-package eww
:demand t
:custom ((eww-browse-url-new-window-is-tab nil)
(eww-download-directory jao-sink-dir)
(eww-header-line-format " %u")
(eww-form-checkbox-selected-symbol "☒")
(eww-buffer-name-length 180)
(eww-readable-urls '("guardian\\.co\\.uk"
"theguardian\\.com"
"eldiario\\.es"
"theconversation")))
:config
(with-eval-after-load "org" (require 'ol-eww nil t))
(defun jao-eww-buffer-name ()
(when-let ((s (or (plist-get eww-data :title)
(plist-get eww-data :url))))
(when (not (string-blank-p s)) (format "%s" s))))
(setq eww-auto-rename-buffer #'jao-eww-buffer-name)
:bind (:map eww-mode-map (("b" . eww-back-url)
("B" . eww-forward-url)
("d" . jao-download)
("f" . link-hint-open-link)
("F" . embark-on-link)
("L" . eww-forward-url)
("N" . jao-eww-next-image)
("o" . jao-eww-browse)
("O" . jao-eww-browse-new)
("r" . jao-eww-reload)
("s" . eww-search-words)
("S" . jao-eww-browse-new)
("T" . jao-mastodon-toot-url)
("u" . jao-eww-reopen)
("U" . jao-eww-reopen-new)
("w" . jao-eww-to-org)
("q" . jao-eww-close)
("x" . jao-rss-subscribe)
("y" . jao-eww-copy-link)
("\\" . eww-view-source)
("C-c C-w" . jao-eww-close)
("M-i" . eww-toggle-images))))
;;; fixes for shr image rendering
(require 'shr)
(defun jao-shr--kill-nl (p)
(save-excursion
(goto-char p)
(when (looking-at-p "\n") (delete-char 1))))
(defun jao-shr-tag-img (fn &rest args)
(let ((p (point)))
(prog1 (apply fn args)
(when (> (point) p) (jao-shr--kill-nl p)))))
(defun jao-shr-insert (fn &rest args)
(let ((p (when (and (not (bolp))
(get-text-property (1- (point)) 'image-url))
(point))))
(prog1 (apply fn args)
(when (and p (> (point) p)) (jao-shr--kill-nl p)))))
(advice-add 'shr-tag-img :around #'jao-shr-tag-img)
(advice-add 'shr-insert :around #'jao-shr-insert)
;;; .
(provide 'jao-custom-eww)
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