[gnome-shell] Make it possible to always show the a11y status

[Matthias Clasen <matthiasc src gnome org>]

commit 6ce79c62eb624f33481dee68454b41b1034052a8
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Apr 14 09:35:56 2013 -0400

    Make it possible to always show the a11y status
    
    A switch for this is part of the redesign for the universal
    access control-center panel.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=698001

 data/org.gnome.shell.gschema.xml.in.in | 8 ++++++++
 js/ui/status/accessibility.js          | 8 ++++++++
 2 files changed, 16 insertions(+)
---
diff --git a/data/org.gnome.shell.gschema.xml.in.in b/data/org.gnome.shell.gschema.xml.in.in
index bacb6b1..e45274e 100644
--- a/data/org.gnome.shell.gschema.xml.in.in
+++ b/data/org.gnome.shell.gschema.xml.in.in
@@ -73,6 +73,14 @@ value here is from the GsmPresenceStatus enumeration.</_summary>
         menuitem in single-user, single-session situations.
       </_description>
     </key>
+    <key name="always-show-universal-access" type="b">
+      <default>false</default>
+      <_summary>Always show the Universal Access status.</_summary>
+      <_description>
+        This key overrides the automatic hiding of the Universal
+        Access status icon when no accessibility features are enabled.
+      </_description>
+    </key>
     <key name="remember-mount-password" type="b">
       <default>false</default>
       <_summary>Whether to remember password for mounting encrypted or remote filesystems</_summary>
diff --git a/js/ui/status/accessibility.js b/js/ui/status/accessibility.js
index 479a15a..b18af85 100644
--- a/js/ui/status/accessibility.js
+++ b/js/ui/status/accessibility.js
@@ -26,6 +26,8 @@ const KEY_ICON_THEME     = 'icon-theme';
 const KEY_WM_THEME       = 'theme';
 const KEY_TEXT_SCALING_FACTOR = 'text-scaling-factor';
 
+const KEY_ALWAYS_SHOW_UNIVERSAL_ACCESS = 'always-show-universal-access';
+
 const HIGH_CONTRAST_THEME = 'HighContrast';
 
 const ATIndicator = new Lang.Class({
@@ -71,12 +73,18 @@ const ATIndicator = new Lang.Class({
         this.menu.addMenuItem(new PopupMenu.PopupSeparatorMenuItem());
         this.menu.addSettingsAction(_("Universal Access Settings"), 'gnome-universal-access-panel.desktop');
 
+        global.settings.connect('changed::' + KEY_ALWAYS_SHOW_UNIVERSAL_ACCESS, Lang.bind (this, 
this._queueSyncMenuVisibility));
+
         this._syncMenuVisibility();
     },
 
     _syncMenuVisibility: function() {
         this._syncMenuVisibilityIdle = 0;
 
+        if (global.settings.get_boolean(KEY_ALWAYS_SHOW_UNIVERSAL_ACCESS)) {
+            this.actor.visible = true;
+            return false;
+        }
         let items = this.menu._getMenuItems();
 
         this.actor.visible = items.some(function(f) { return !!f.state; });