[ios] Use downloaded local assets in ios-bench if present

If you’ve gone through the trouble of running iso-bench’s download.sh scripts, use those assets instead of fetching them at runtime from the server.

1 files changed, 3 insertions, 1 deletions

diff --git a/platform/ios/benchmark/MBXBenchViewController.mm b/platform/ios/benchmark/MBXBenchViewController.mm
index 3d8034b2b3..07975de491 100644
--- a/platform/ios/benchmark/MBXBenchViewController.mm
+++ b/platform/ios/benchmark/MBXBenchViewController.mm
@@ -44,7 +44,9 @@
 {
     [super viewDidLoad];
 
-    NSURL* url = [[NSURL alloc] initWithString:@"mapbox://styles/mapbox/streets-v8"];
+    // Use a local style and local assets if they’ve been downloaded.
+    NSURL *tileSourceURL = [[NSBundle mainBundle] URLForResource:@"mapbox.mapbox-terrain-v2,mapbox.mapbox-streets-v6" withExtension:nil subdirectory:@"tiles"];
+    NSURL *url = [NSURL URLWithString:tileSourceURL ? @"asset://styles/streets-v8.json" : @"mapbox://styles/mapbox/streets-v8"];
     self.mapView = [[MGLMapView alloc] initWithFrame:self.view.bounds styleURL:url];
     self.mapView.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
     self.mapView.delegate = self;