From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Julien Danjou Newsgroups: gmane.emacs.devel Subject: [PATCH] Add notifications.el Date: Tue, 8 Jun 2010 10:45:22 +0200 Message-ID: <1275986722-3514-1-git-send-email-julien@danjou.info> References: NNTP-Posting-Host: lo.gmane.org X-Trace: dough.gmane.org 1275987877 29617 80.91.229.12 (8 Jun 2010 09:04:37 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 8 Jun 2010 09:04:37 +0000 (UTC) Cc: Julien Danjou To: emacs-devel@gnu.org Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Tue Jun 08 11:04:35 2010 connect(): No such file or directory Return-path: Envelope-to: ged-emacs-devel@m.gmane.org Original-Received: from lists.gnu.org ([199.232.76.165]) by lo.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1OLujW-0001iR-BA for ged-emacs-devel@m.gmane.org; Tue, 08 Jun 2010 11:04:30 +0200 Original-Received: from localhost ([127.0.0.1]:37744 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OLuU5-0002k8-Eq for ged-emacs-devel@m.gmane.org; Tue, 08 Jun 2010 04:48:33 -0400 Original-Received: from [140.186.70.92] (port=43335 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.43) id 1OLuRY-0001UM-S7 for emacs-devel@gnu.org; Tue, 08 Jun 2010 04:46:22 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.69) (envelope-from ) id 1OLuRG-0002p7-BO for emacs-devel@gnu.org; Tue, 08 Jun 2010 04:45:40 -0400 Original-Received: from prometheus.naquadah.org ([212.85.154.174]:37266 helo=mx1.naquadah.org) by eggs.gnu.org with esmtp (Exim 4.69) (envelope-from ) id 1OLuRF-0002oo-Vz for emacs-devel@gnu.org; Tue, 08 Jun 2010 04:45:38 -0400 Original-Received: by mx1.naquadah.org (Postfix, from userid 8) id F3BFE5C121; Tue, 8 Jun 2010 10:45:35 +0200 (CEST) Original-Received: from keller.adm.naquadah.org (chapai.naquadah.org [82.227.158.144]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.naquadah.org (Postfix) with ESMTPSA id 65E105C0F5; Tue, 8 Jun 2010 10:45:33 +0200 (CEST) Original-Received: from jd by keller.adm.naquadah.org with local (Exim 4.72) (envelope-from ) id 1OLuRA-0000vA-LQ; Tue, 08 Jun 2010 10:45:32 +0200 X-Mailer: git-send-email 1.7.1 In-Reply-To: X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6 (newer, 3) X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.emacs.devel:125631 Archived-At: Signed-off-by: Julien Danjou --- lisp/ChangeLog | 4 + lisp/net/notifications.el | 265 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 269 insertions(+), 0 deletions(-) create mode 100644 lisp/net/notifications.el diff --git a/lisp/ChangeLog b/lisp/ChangeLog index a33c43f..378449c 100644 --- a/lisp/ChangeLog +++ b/lisp/ChangeLog @@ -1,3 +1,7 @@ +2010-06-05 Julien Danjou + + * net/notifications.el: New file. + 2010-06-04 Juanma Barranquero * subr.el (directory-sep-char): Move from fileio.c and make a defconst. diff --git a/lisp/net/notifications.el b/lisp/net/notifications.el new file mode 100644 index 0000000..a2147ed --- /dev/null +++ b/lisp/net/notifications.el @@ -0,0 +1,265 @@ +;;; notifications.el --- Client interface to desktop notifications. + +;; Copyright (C) 2010 Free Software Foundation, Inc. + +;; Author: Julien Danjou +;; Keywords: comm desktop notifications + +;; This file is part of GNU Emacs. + +;; GNU Emacs is free software: you can redistribute it and/or modify +;; it under the terms of the GNU General Public License as published by +;; the Free Software Foundation, either version 3 of the License, or +;; (at your option) any later version. + +;; GNU Emacs is distributed in the hope that it will be useful, +;; but WITHOUT ANY WARRANTY; without even the implied warranty of +;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +;; GNU General Public License for more details. + +;; You should have received a copy of the GNU General Public License +;; along with GNU Emacs. If not, see . + +;;; Commentary: + +;; This package provides an implementation of the Desktop Notifications +;; . + +;; In order to activate this package, you must add the following code +;; into your .emacs: +;; +;; (require 'notifications) + +;;; Code: +(eval-when-compile + (require 'cl)) + +;; Pacify byte-compiler. D-Bus support in the Emacs core can be +;; disabled with configuration option "--without-dbus". Declare used +;; subroutines and variables of `dbus' therefore. +(declare-function dbus-call-method "dbusbind.c") + +(require 'dbus) + +(defconst notifications-application-name "Emacs" + "Default application name.") + +(defconst notifications-application-icon + (expand-file-name + "images/icons/hicolor/scalable/apps/emacs.svg" + data-directory) + "Default application icon.") + +(defconst notifications-service "org.freedesktop.Notifications" + "D-Bus notifications service name.") + +(defconst notifications-path "/org/freedesktop/Notifications" + "D-Bus notifications service path.") + +(defconst notifications-interface "org.freedesktop.Notifications" + "D-Bus notifications service path.") + +(defconst notifications-notify-method "Notify" + "D-Bus notifications service path.") + +(defconst notifications-close-notification-method "CloseNotification" + "D-Bus notifications service path.") + +(defconst notifications-action-signal "ActionInvoked" + "D-Bus notifications action signal.") + +(defconst notifications-closed-signal "NotificationClosed" + "D-Bus notifications closed signal.") + +(defconst notifications-closed-reason + '((1 expired) + (2 dismissed) + (3 close-notification) + (4 undefined)) + "List of reasons why a notification has been closed.") + +(defvar notifications-on-action-map nil + "Mapping between notification and action callback functions.") + +(defvar notifications-on-close-map nil + "Mapping between notification and close callback functions.") + +(defun notifications-on-action-signal (id action) + (let ((entry (assoc id notifications-on-action-map))) + (when entry + (funcall (cadr entry) action) + (remove entry 'notifications-on-action-map)))) + +(dbus-register-signal + :session + notifications-service + notifications-path + notifications-interface + notifications-action-signal + 'notifications-on-action-signal) + +(defun notifications-on-closed-signal (id reason) + (let ((entry (assoc id notifications-on-close-map))) + (when entry + (funcall (cadr entry) (cadr (assoc reason notifications-closed-reason))) + (remove entry 'notifications-on-close-map)))) + +(dbus-register-signal + :session + notifications-service + notifications-path + notifications-interface + notifications-closed-signal + 'notifications-on-closed-signal) + +(defun notifications-notify (&rest params) + "Send notification via D-Bus using the Freedesktop notification protocol. +Various PARAMS can be set: + + :title The notification title. + :body The notification body text. + :app-name The name of the application sending the notification. + Default to `notifications-application-name'. + :replaces-id The notification ID that this notification replaces. + :app-icon The notification icon. + Default is `notifications-application-icon'. + Set to nil if you do not want any icon displayed. + :actions A list of actions in the form: + (KEY TITLE KEY TITLE ...) + where KEY and TITLE are both strings. + The default action (usually invoked by clicking the notification) + should have a key named \"default\". The name can be anything, + though implementations are free not to display it. + :timeout The timeout time in milliseconds since the display + of the notification at which the notification should + automatically close. + If -1, the notification's expiration time is dependent + on the notification server's settings, and may vary for + the type of notification. + If 0, the notification never expires. + Default value is -1. + :urgency The urgency level. + Either `low', `normal' or `critical'. + :category The type of notification this is. + :desktop-entry This specifies the name of the desktop filename representing + the calling program. + :image-data This is a raw data image format which describes the width, + height, rowstride, has alpha, bits per sample, channels and + image data respectively. + :sound-file The path to a sound file to play when the notification pops up. + :suppress-sound Causes the server to suppress playing any sounds, if it has + that ability. + :x Specifies the X location on the screen that the notification + should point to. The \"y\" hint must also be specified. + :y Specifies the Y location on the screen that the notification + should point to. The \"x\" hint must also be specified. + :on-action Function to call when an action is invoked. The key of the + action is passed as argument to the function. + :on-close Function to call when the notification has been closed + by timeout or by the user. + The function receive the closing reason as argument: + - `expired' if the notification has expired + - `dismissed' if the notification was dismissed by the user + - `close-notification' if the notification was closed + by a call to CloseNotification + +This function returns a notification id, an integer, which can be +used to manipulate the notification item with +`notifications-close'." + (let ((title (plist-get params :title)) + (body (plist-get params :body)) + (app-name (plist-get params :app-name)) + (replaces-id (plist-get params :replaces-id)) + (app-icon (plist-get params :app-icon)) + (actions (plist-get params :actions)) + (timeout (plist-get params :timeout)) + ;; Hints + (hints '()) + (urgency (plist-get params :urgency)) + (category (plist-get params :category)) + (desktop-entry (plist-get params :desktop-entry)) + (image-data (plist-get params :image-data)) + (sound-file (plist-get params :sound-file)) + (suppress-sound (plist-get params :suppress-sound)) + (x (plist-get params :x)) + (y (plist-get params :y)) + id) + ;; Build hints array + (when urgency + (add-to-list 'hints `(:dict-entry + "urgency" + (:variant :byte ,(case urgency + ('low 0) + ('critical 2) + (t 1)))) t)) + (when category + (add-to-list 'hints `(:dict-entry + "category" + (:variant :string ,category)) t)) + (when desktop-entry + (add-to-list 'hints `(:dict-entry + "desktop-entry" + (:variant :string ,desktop-entry)) t)) + (when image-data + (add-to-list 'hints `(:dict-entry + "image_data" + (:variant :struct ,image-data)) t)) + (when sound-file + (add-to-list 'hints `(:dict-entry + "sound-file" + (:variant :string ,sound-file)) t)) + (when suppress-sound + (add-to-list 'hints `(:dict-entry + "suppress-sound" + (:variant :boolean ,suppress-sound)) t)) + (when x + (add-to-list 'hints `(:dict-entry "x" (:variant :int32 ,x)) t)) + (when y + (add-to-list 'hints `(:dict-entry "y" (:variant :int32 ,y)) t)) + + ;; Call Notify method + (setq id + (dbus-call-method :session + notifications-service + notifications-path + notifications-interface + notifications-notify-method + :string (or app-name + notifications-application-name) + :uint32 (or replaces-id 0) + :string (if app-icon + (expand-file-name app-icon) + ;; If app-icon is nil because user + ;; requested it to be so, send the + ;; empty string + (if (plist-member params :app-icon) + "" + ;; Otherwise send the default icon path + notifications-application-icon)) + :string (or title "") + :string (or body "") + `(:array ,@actions) + (or hints '(:array :signature "{sv}")) + :int32 (or timeout -1))) + + ;; Register close/action callback function + (let ((on-action (plist-get params :on-action)) + (on-close (plist-get params :on-close))) + (when on-action + (add-to-list 'notifications-on-action-map (list id on-action))) + (when on-close + (add-to-list 'notifications-on-close-map (list id on-close)))) + + ;; Return notification id + id)) + +(defun notifications-close-notification (id) + "Close a notification with identifier ID." + (dbus-call-method :session + notifications-service + notifications-path + notifications-interface + notifications-close-notification-method + :int32 id)) + +(provide 'notifications) -- 1.7.1