From 9d0308a91baea467e69916381c0f62925218387a Mon Sep 17 00:00:00 2001
From: jao <jao@gnu.org>
Date: Fri, 26 Mar 2021 00:13:59 +0000
Subject: RSS subscription generalised

---
 init.org | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
 w3m.org  | 38 +-------------------------------------
 2 files changed, 56 insertions(+), 42 deletions(-)

diff --git a/init.org b/init.org
index 94f115f..dc0148d 100644
--- a/init.org
+++ b/init.org
@@ -2055,11 +2055,14 @@
    #+end_src
 *** Helpers
     #+BEGIN_SRC emacs-lisp
-      (defun jao-url-around-point ()
-      (or (and (fboundp 'w3m-anchor) (w3m-anchor))
-          (shr-url-at-point nil)
-          (ffap-url-at-point)
-          (thing-at-point 'url)))
+      (defun jao-url-around-point (&optional current-url)
+        (or (and (fboundp 'w3m-anchor) (w3m-anchor))
+            (shr-url-at-point nil)
+            (ffap-url-at-point)
+            (thing-at-point 'url)
+            (when current-url
+              (or (and (fboundp 'w3m-anchor) (w3m-anchor))
+                  (and (derived-mode-p 'eww-mode) (plist-get eww-data :url))))))
 
       (defun jao--fln (url)
         (shell-quote-argument
@@ -2218,6 +2221,50 @@
       (setq browse-url-browser-function jao-browse-url-function)
 
     #+END_SRC
+*** Subscribe rss using r2e
+    #+begin_src emacs-lisp
+      (defconst jao-rss--rss-rx
+        (concat "type=\"application/\\(?:atom\\|rss\\)\\+xml\" +"
+                "\\(?:title=\"\\([^\n\"]+\\)\" +\\)?href=\"\\([^\n\"]+\\)\""))
+
+      (autoload 'View-quit "view")
+
+      (defun jao-rss--find-url ()
+        (when (derived-mode-p 'w3m-mode 'eww-mode)
+          (save-excursion
+            (if (derived-mode-p 'w3m-mode)
+                (w3m-view-source)
+              (eww-view-source))
+            (goto-char (point-min))
+            (let* ((m (re-search-forward jao-rss--rss-rx nil t))
+                   (url (and m (match-string 2)))
+                   (title (and m (match-string 1))))
+              (if (derived-mode-p 'w3m-mode)
+                  (w3m-view-source)
+                (View-quit))
+              (when url (cons url (or title "")))))))
+
+      (defun jao-rss-subscribe ()
+        (interactive)
+        (let* ((url (or (jao-rss--find-url)
+                        (jao-url-around-point)
+                        (read-string "Feed URL: ")))
+               (url+title (if url (cons url "") (jao-rss--find-url)))
+               (url (car url+title))
+               (title (cdr url+title)))
+          (if url
+              (let ((url (if (string-match "^feed:" url)
+                             (substring url 5) url)))
+                (when (y-or-n-p (format "Subscribe to <%s>? " url))
+                  (let* ((name (read-string "Name: " title))
+                         (cat (completing-read "Category: "
+                                               (jao-list-mailboxes "feeds")
+                                               nil t)))
+                    (shell-command
+                     (format "r2e add %s %s jao+feeds_%s@localhost && r2e run %s"
+                             name url cat name)))))
+            (message "No feeds found"))))
+    #+end_src
 *** emacs-w3m
     #+begin_src emacs-lisp
       (jao-load-org "w3m")
@@ -2228,6 +2275,9 @@
         :custom ((jao-eww-session-duplicate-tabs 'ask)
                  (jao-eww-session-file "~/.emacs.d/eww-session.el")))
 
+      (require 'eww)
+      (define-key eww-mode-map "x" #'jao-rss-subscribe)
+
       (defun jao-eww-browse-url (url &rest r)
         "Browse URL using eww."
         (jao-afio--goto-www)
diff --git a/w3m.org b/w3m.org
index a66dd41..fd6e8da 100644
--- a/w3m.org
+++ b/w3m.org
@@ -185,42 +185,6 @@
 
     (setq w3m-goto-article-function 'jao-w3m-browse-url)
   #+END_SRC
-* Subscribe rss using r2e
-  #+begin_src emacs-lisp
-    (defconst jao-w3m-rss-rx
-      (concat "type=\"application/\\(?:atom\\|rss\\)\\+xml\" +"
-              "\\(?:title=\"\\([^\n\"]+\\)\" +\\)?href=\"\\([^\n\"]+\\)\""))
-
-    (defun jao-w3m-find-rss ()
-      (when (eq major-mode 'w3m-mode)
-        (save-excursion
-          (w3m-view-source)
-          (goto-char (point-min))
-          (let* ((m (re-search-forward jao-w3m-rss-rx nil t))
-                 (url (and m (match-string 2)))
-                 (title (and m (match-string 1))))
-            (w3m-view-source)
-            (cons url (or title ""))))))
-
-    (defun jao-w3m-subscribe-rss ()
-      (interactive)
-      (let* ((url (or (w3m-anchor) (ffap-url-at-point)))
-             (url+title (if url (cons url "") (jao-w3m-find-rss)))
-             (url (car url+title))
-             (title (cdr url+title)))
-        (if url
-            (let ((url (if (string-match "^feed:" url)
-                           (substring url 5) url)))
-              (when (y-or-n-p (format "Subscribe to <%s>? " url))
-                (let* ((name (read-string "Name: " title))
-                       (cat (completing-read "Category: "
-                                             (jao-list-mailboxes "feeds")
-                                             nil t)))
-                  (shell-command
-                   (format "r2e add %s %s jao+feeds_%s@localhost && r2e run %s"
-                           name url cat name)))))
-          (message "No feeds found"))))
-  #+end_src
 * Tweeting and tooting
   #+BEGIN_SRC emacs-lisp
     (defun jao-w3m--toot-text (from to title)
@@ -365,6 +329,6 @@
     (define-key w3m-mode-map "c" 'w3m-print-this-url)
     (define-key w3m-mode-map "v" 'jao-view-video)
     (define-key w3m-mode-map "V" 'w3m-download)
-    (define-key w3m-mode-map "x" 'jao-w3m-subscribe-rss)
+    (define-key w3m-mode-map "x" 'jao-rss-subscribe-rss)
     (define-key w3m-mode-map "Y" 'w3m-print-current-url)
   #+END_SRC
-- 
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