[gnome-shell] Setting proper name and role for system menu sliders

[Alejandro Piñeiro Iglesias <apinheiro src gnome org>]

commit dd1651f2d163711d113d3a1b019ef0df86fc030a
Author: Alejandro Piñeiro <apinheiro igalia com>
Date:   Wed Aug 21 18:24:30 2013 +0200

    Setting proper name and role for system menu sliders
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706391

 js/ui/slider.js            |    4 +++-
 js/ui/status/brightness.js |    1 +
 js/ui/status/volume.js     |    6 ++++++
 3 files changed, 10 insertions(+), 1 deletions(-)
---
diff --git a/js/ui/slider.js b/js/ui/slider.js
index e0e7867..ab90d61 100644
--- a/js/ui/slider.js
+++ b/js/ui/slider.js
@@ -5,6 +5,7 @@ const Clutter = imports.gi.Clutter;
 const Lang = imports.lang;
 const St = imports.gi.St;
 const Signals = imports.signals;
+const Atk = imports.gi.Atk;
 
 const SLIDER_SCROLL_STEP = 0.05; /* Slider scrolling step in % */
 
@@ -19,7 +20,8 @@ const Slider = new Lang.Class({
 
         this.actor = new St.DrawingArea({ style_class: 'slider',
                                           can_focus: true,
-                                          reactive: true });
+                                          reactive: true,
+                                          accessible_role: Atk.Role.SLIDER });
         this.actor.connect('repaint', Lang.bind(this, this._sliderRepaint));
         this.actor.connect('button-press-event', Lang.bind(this, this._startDragging));
         this.actor.connect('scroll-event', Lang.bind(this, this._onScrollEvent));
diff --git a/js/ui/status/brightness.js b/js/ui/status/brightness.js
index 800a7f2..bd76972 100644
--- a/js/ui/status/brightness.js
+++ b/js/ui/status/brightness.js
@@ -39,6 +39,7 @@ const Indicator = new Lang.Class({
 
         this._slider = new Slider.Slider(0);
         this._slider.connect('value-changed', Lang.bind(this, this._sliderChanged));
+        this._slider.actor.accessible_name = _("Brightness");
 
         let icon = new St.Icon({ icon_name: 'display-brightness-symbolic',
                                  style_class: 'popup-menu-icon' });
diff --git a/js/ui/status/volume.js b/js/ui/status/volume.js
index b696b1a..2b3ac0c 100644
--- a/js/ui/status/volume.js
+++ b/js/ui/status/volume.js
@@ -157,6 +157,11 @@ const OutputStreamSlider = new Lang.Class({
     Name: 'OutputStreamSlider',
     Extends: StreamSlider,
 
+    _init: function(control) {
+        this.parent(control);
+        this._slider.actor.accessible_name = _("Volume");
+    },
+
     _connectStream: function(stream) {
         this.parent(stream);
         this._portChangedId = stream.connect('notify::port', Lang.bind(this, this._portChanged));
@@ -205,6 +210,7 @@ const InputStreamSlider = new Lang.Class({
 
     _init: function(control) {
         this.parent(control);
+        this._slider.actor.accessible_name = _("Microphone");
         this._control.connect('stream-added', Lang.bind(this, this._maybeShowInput));
         this._control.connect('stream-removed', Lang.bind(this, this._maybeShowInput));
         this._icon.icon_name = 'audio-input-microphone-symbolic';