GNU bug report logs - #9779
No usable browser found on Lubuntu

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Juri Linkov <juri <at> jurta.org>
Cc: tracker <at> debbugs.gnu.org
Subject: bug#9779: closed (No usable browser found on Lubuntu)
Date: Wed, 19 Oct 2011 09:16:02 +0000

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Your message dated Wed, 19 Oct 2011 12:10:48 +0300
with message-id <871uu9gxd3.fsf <at> mail.jurta.org>
and subject line Re: bug#9779: No usable browser found on Lubuntu
has caused the debbugs.gnu.org bug report #9779,
regarding No usable browser found on Lubuntu
to be marked as done.

(If you believe you have received this mail in error, please contact
help-debbugs <at> gnu.org.)


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9779: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9779
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From: Juri Linkov <juri <at> jurta.org>
To: bug-gnu-emacs <at> gnu.org
Subject: No usable browser found on Lubuntu
Date: Tue, 18 Oct 2011 02:14:39 +0300

Clicking on a link doesn't open a Web browser as expected
but fails with the error message "No usable browser found"
on Lubuntu 11.10 (Ubuntu + LXDE) since its default web browser
is Chromium, but Chromium is still not supported by browse-url.

The following patch will add its support to browse-url.el.  This code
is basically like used for Firefox, but since there are no official
command line switches like "-remote", "-new-window", "-new-tab",
so tab/window/startup related options can't be used for Chromium.

=== modified file 'lisp/net/browse-url.el'
--- lisp/net/browse-url.el	2011-08-21 01:01:12 +0000
+++ lisp/net/browse-url.el	2011-10-17 23:10:30 +0000
@@ -36,6 +36,7 @@
 ;; Function                           Browser     Earliest version
 ;; browse-url-mozilla                 Mozilla     Don't know
 ;; browse-url-firefox                 Firefox     Don't know (tried with 1.0.1)
+;; browse-url-chromium                Chromium    3.0
 ;; browse-url-galeon                  Galeon      Don't know
 ;; browse-url-epiphany                Epiphany    Don't know
 ;; browse-url-netscape                Netscape    1.1b1
@@ -230,6 +232,7 @@ (defcustom browse-url-browser-function
 			 :value  browse-url-w3-gnudoit)
 	  (function-item :tag "Mozilla" :value  browse-url-mozilla)
 	  (function-item :tag "Firefox" :value browse-url-firefox)
+	  (function-item :tag "Chromium" :value browse-url-chromium)
 	  (function-item :tag "Galeon" :value  browse-url-galeon)
 	  (function-item :tag "Epiphany" :value  browse-url-epiphany)
 	  (function-item :tag "Netscape" :value  browse-url-netscape)
@@ -336,6 +340,22 @@ (defcustom browse-url-firefox-startup-ar
   :type '(repeat (string :tag "Argument"))
   :group 'browse-url)
 
+(defcustom browse-url-chromium-program
+  (let ((candidates '("chromium" "chromium-browser" "chrome")))
+    (while (and candidates (not (executable-find (car candidates))))
+      (setq candidates (cdr candidates)))
+    (or (car candidates) "chromium"))
+  "The name by which to invoke Chromium."
+  :type 'string
+  :version "24.1"
+  :group 'browse-url)
+
+(defcustom browse-url-chromium-arguments nil
+  "A list of strings to pass to Chromium as arguments."
+  :type '(repeat (string :tag "Argument"))
+  :version "24.1"
+  :group 'browse-url)
+
 (defcustom browse-url-galeon-program "galeon"
   "The name by which to invoke Galeon."
   :type 'string
@@ -913,6 +933,7 @@ (defun browse-url-default-browser (url &
     ((executable-find browse-url-gnome-moz-program) 'browse-url-gnome-moz)
     ((executable-find browse-url-mozilla-program) 'browse-url-mozilla)
     ((executable-find browse-url-firefox-program) 'browse-url-firefox)
+    ((executable-find browse-url-chromium-program) 'browse-url-chromium)
     ((executable-find browse-url-galeon-program) 'browse-url-galeon)
     ((executable-find browse-url-kde-program) 'browse-url-kde)
     ((executable-find browse-url-netscape-program) 'browse-url-netscape)
@@ -1141,6 +1162,22 @@ (defun browse-url-firefox-sentinel (proc
 	       (append browse-url-firefox-startup-arguments (list url))))))
 
 ;;;###autoload
+(defun browse-url-chromium (url &optional new-window)
+  "Ask the Chromium WWW browser to load URL.
+Default to the URL around or before point.  The strings in
+variable `browse-url-chromium-arguments' are also passed to
+Chromium."
+  (interactive (browse-url-interactive-arg "URL: "))
+  (setq url (browse-url-encode-url url))
+  (let* ((process-environment (browse-url-process-environment)))
+    (apply 'start-process
+	   (concat "chromium " url) nil
+	   browse-url-chromium-program
+	   (append
+	    browse-url-chromium-arguments
+	    (list url)))))
+
+;;;###autoload
 (defun browse-url-galeon (url &optional new-window)
   "Ask the Galeon WWW browser to load URL.
 Default to the URL around or before point.  The strings in variable

[Message part 3 (message/rfc822, inline)]

From: Juri Linkov <juri <at> jurta.org>
To: Stefan Monnier <monnier <at> iro.umontreal.ca>
Cc: 9779-done <at> debbugs.gnu.org,
	Jan Djärv <jan.h.d <at> swipnet.se>
Subject: Re: bug#9779: No usable browser found on Lubuntu
Date: Wed, 19 Oct 2011 12:10:48 +0300

>> I propose to add it independently of xdg-open for systems
>> that have Chromium but not xdg-open.
>
> I guess it's OK,

Added.

>> +	   (equal (getenv "XDG_CURRENT_DESKTOP") "LXDE"))))
>
> Thanks, please install,

Installed with checks for both environment variables
"DESKTOP_SESSION" and "XDG_CURRENT_DESKTOP"
that is twice more reliable.

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