From c768148f9facf779d572145236453e50e99bee1d Mon Sep 17 00:00:00 2001
From: David Lawrence <dkl@mozilla.com>
Date: Thu, 26 Jan 2017 00:37:06 +0000
Subject: Bug 1280397 - [a11y] Make the component, product, and other latches
 accessible

---
 extensions/BugModal/web/bug_modal.js | 81 +++++++++++++++++++++++++-----------
 1 file changed, 56 insertions(+), 25 deletions(-)

(limited to 'extensions/BugModal/web/bug_modal.js')

diff --git a/extensions/BugModal/web/bug_modal.js b/extensions/BugModal/web/bug_modal.js
index 01be1fd2c..40d3cd6dd 100644
--- a/extensions/BugModal/web/bug_modal.js
+++ b/extensions/BugModal/web/bug_modal.js
@@ -163,20 +163,38 @@ $(function() {
     // product/component info
     $('.spin-toggle, #product-latch, #component-latch')
         .click(function(event) {
-            event.preventDefault();
-            var latch = $($(event.target).data('latch'));
-            var el_for = $($(event.target).data('for'));
-
-            if (latch.data('expanded')) {
-                latch.data('expanded', false).html('&#9656;');
-                el_for.hide();
-            }
-            else {
-                latch.data('expanded', true).html('&#9662;');
-                el_for.show();
+            spin_toggle(event);
+        }).keydown(function(event) {
+            // allow space or enter to toggle visibility
+            if (event.keyCode == 13 || event.keyCode == 32) {
+                spin_toggle(event);
             }
         });
 
+    function spin_toggle(event) {
+        event.preventDefault();
+        var type  = $(event.target).data('for');
+        var latch = $('#' + type + '-latch');
+        var name  = $('#' + type + '-name');
+        var info  = $('#' + type + '-info');
+        var label = name.attr('aria-label');
+
+        if (latch.data('expanded')) {
+            label = label.replace(/^hide/, 'show');
+            latch.data('expanded', false).html('&#9656;');
+            name.attr('aria-expanded', false);
+            info.hide();
+        }
+        else {
+            label = label.replace(/^show/, 'hide');
+            latch.data('expanded', true).html('&#9662;');
+            name.attr('aria-expanded', true);
+            info.show();
+        }
+        name.attr('aria-label', label);
+        name.attr('title', label);
+    }
+
     // cc list
 
     function ccListLoading() {
@@ -230,24 +248,37 @@ $(function() {
         $('#cc-summary').addClass('cc-loadable');
         $('#cc-latch, #cc-summary')
             .click(function(event) {
-                event.preventDefault();
-                var latch = $('#cc-latch');
-
-                if (latch.data('expanded')) {
-                    latch.data('expanded', false).html('&#9656;');
-                    $('#cc-list').hide();
-                }
-                else {
-                    latch.data('expanded', true).html('&#9662;');
-                    $('#cc-list').show();
-                    if (!latch.data('fetched')) {
-                        ccListLoading();
-                        ccListUpdate();
-                    }
+                cc_toggle(event);
+            }).keydown(function(event) {
+                // allow space or enter to toggle visibility
+                if (event.keyCode == 13 || event.keyCode == 32) {
+                    cc_toggle(event);
                 }
             });
     }
 
+    function cc_toggle(event) {
+        event.preventDefault();
+        var latch = $('#cc-latch');
+        var label = latch.attr('aria-label');
+        if (latch.data('expanded')) {
+            label = label.replace(/^hide/, 'show');
+            latch.data('expanded', false).html('&#9656;');
+            $('#cc-list').hide();
+        }
+        else {
+            latch.data('expanded', true).html('&#9662;');
+            label = label.replace(/^show/, 'hide');
+            $('#cc-list').show();
+            if (!latch.data('fetched')) {
+                ccListLoading();
+                ccListUpdate();
+            }
+        }
+        latch.attr('aria-label', label);
+        $('#cc-summary').attr('aria-label', label);
+    }
+
     // copy summary to clipboard
 
     function clipboardSummary() {
-- 
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