[ios] Announce one-way roadsupstream/1ec5-a11y-features-4821

A road feature’s accessibility value now indicates whether the road is a one-way road.

3 files changed, 15 insertions, 2 deletions

diff --git a/platform/ios/resources/Base.lproj/Localizable.strings b/platform/ios/resources/Base.lproj/Localizable.strings
index d214ccb4d1..039ef4c4b1 100644
--- a/platform/ios/resources/Base.lproj/Localizable.strings
+++ b/platform/ios/resources/Base.lproj/Localizable.strings
@@ -67,6 +67,9 @@
 /* Accessibility value indicating that a road is a divided road (dual carriageway) */
 "ROAD_DIVIDED_A11Y_VALUE" = "Divided road";
 
+/* Accessibility value indicating that a road is a one-way road */
+"ROAD_ONEWAY_A11Y_VALUE" = "One way";
+
 /* String format for accessibility value for road feature; {route number} */
 "ROAD_REF_A11Y_FMT" = "Route %@";
 
diff --git a/platform/ios/src/MGLMapAccessibilityElement.mm b/platform/ios/src/MGLMapAccessibilityElement.mm
index e36f35a60b..4e5f165fbf 100644
--- a/platform/ios/src/MGLMapAccessibilityElement.mm
+++ b/platform/ios/src/MGLMapAccessibilityElement.mm
@@ -142,6 +142,11 @@
             [facts addObject:ref];
         }
         
+        // Announce whether the road is a one-way road.
+        if ([attributes[@"oneway"] isEqualToString:@"true"]) {
+            [facts addObject:NSLocalizedStringWithDefaultValue(@"ROAD_ONEWAY_A11Y_VALUE", nil, nil, @"One way", @"Accessibility value indicating that a road is a one-way road")];
+        }
+        
         // Announce whether the road is a divided road.
         MGLPolyline *polyline;
         if ([feature isKindOfClass:[MGLMultiPolylineFeature class]]) {
diff --git a/platform/ios/test/MGLMapAccessibilityElementTests.m b/platform/ios/test/MGLMapAccessibilityElementTests.m
index 02656e5452..5c79d85de1 100644
--- a/platform/ios/test/MGLMapAccessibilityElementTests.m
+++ b/platform/ios/test/MGLMapAccessibilityElementTests.m
@@ -62,15 +62,20 @@
     MGLPolylineFeature *roadFeature = [MGLPolylineFeature polylineWithCoordinates:coordinates count:sizeof(coordinates) / sizeof(coordinates[0])];
     roadFeature.attributes = @{
         @"ref": @"42",
+        @"oneway": @"true",
     };
     MGLRoadFeatureAccessibilityElement *element = [[MGLRoadFeatureAccessibilityElement alloc] initWithAccessibilityContainer:self feature:roadFeature];
-    XCTAssertEqualObjects(element.accessibilityValue, @"Route 42, southwest to northeast");
+    XCTAssertEqualObjects(element.accessibilityValue, @"Route 42, One way, southwest to northeast");
     
     CLLocationCoordinate2D opposingCoordinates[] = {
-        CLLocationCoordinate2DMake(1, 0),
         CLLocationCoordinate2DMake(2, 1),
+        CLLocationCoordinate2DMake(1, 0),
     };
     MGLPolylineFeature *opposingRoadFeature = [MGLPolylineFeature polylineWithCoordinates:opposingCoordinates count:sizeof(opposingCoordinates) / sizeof(opposingCoordinates[0])];
+    opposingRoadFeature.attributes = @{
+        @"ref": @"42",
+        @"oneway": @"true",
+    };
     MGLMultiPolylineFeature *dividedRoadFeature = [MGLMultiPolylineFeature multiPolylineWithPolylines:@[roadFeature, opposingRoadFeature]];
     dividedRoadFeature.attributes = @{
         @"ref": @"42",