calendar: Allow keynav to day headers and week numbers

While those elements cannot be activated, they still provide useful
information to screen readers, so include them in the focus chain.
For the same purpose, set a more verbose accessible name, given that
it is not bound by the same space constraints as the visible label.

https://bugzilla.gnome.org/show_bug.cgi?id=706903

diff --git a/js/ui/calendar.js b/js/ui/calendar.js
index e325a8dc519720e0267d8488c24eab891cc6a59b..36c368b7c6f86b41f60edf4dc890c2ef7c6a4e7a 100644 (file)
--- a/js/ui/calendar.js
+++ b/js/ui/calendar.js
@@ -615,7 +615,9 @@ const Calendar = new Lang.Class({
             // and we want, ideally, a single character for e.g. S M T W T F S
             let customDayAbbrev = _getCalendarDayAbbreviation(iter.getDay());
             let label = new St.Label({ style_class: 'calendar-day-base calendar-day-heading',
-                                       text: customDayAbbrev });
+                                       text: customDayAbbrev,
+                                       can_focus: true });
+            label.accessible_name = iter.toLocaleFormat('%A');
             let col;
             if (this.actor.get_text_direction() == Clutter.TextDirection.RTL)
                 col = 6 - (7 + iter.getDay() - this._weekStart) % 7;
@@ -800,7 +802,10 @@ const Calendar = new Lang.Class({
 
             if (this._useWeekdate && iter.getDay() == 4) {
                 let label = new St.Label({ text: iter.toLocaleFormat('%V'),
-                                           style_class: 'calendar-day-base calendar-week-number'});
+                                           style_class: 'calendar-day-base calendar-week-number',
+                                           can_focus: true });
+                let weekFormat = Shell.util_translate_time_string(N_("Week %V"));
+                label.accessible_name = iter.toLocaleFormat(weekFormat);
                 layout.pack(label, rtl ? 7 : 0, row);
             }