[gnome-shell] A11yStatus: ignore an user default of O dpi

[Giovanni Campagna <gcampagna src gnome org>]

commit 12d991f3362a5a5a9d60cc6596c973bdbef62667
Author: Giovanni Campagna <gcampagna src gnome org>
Date:   Mon Jan 17 19:11:11 2011 +0100

    A11yStatus: ignore an user default of O dpi
    
    The default for the DPI setting is 0, but 0 * any scaling factor
    is 0, so we need to deal with that, by falling back to X default.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=639762

 js/ui/status/accessibility.js |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/js/ui/status/accessibility.js b/js/ui/status/accessibility.js
index af50370..035e96e 100644
--- a/js/ui/status/accessibility.js
+++ b/js/ui/status/accessibility.js
@@ -205,7 +205,7 @@ ATIndicator.prototype = {
             return (user_value - (DPI_FACTOR_LARGE * x_value) > -1);
         }
         let initial_setting = on_get();
-        let default_value = initial_setting ? x_value : user_value;
+        let default_value = (initial_setting || user_value == 0) ? x_value : user_value;
         let widget = this._buildItemExtended(_("Large Text"),
             initial_setting,
             settings.is_writable(KEY_DPI),
@@ -217,7 +217,7 @@ ATIndicator.prototype = {
             });
         settings.connect('changed::' + KEY_DPI, function() {
             let active = on_get();
-            default_value = active ? x_value : user_value;
+            default_value = (active || user_value == 0) ? x_value : user_value;
             widget.setToggleState(active);
         });
         return widget;