[ios] fixes #2490: add annotation image enabled property

1 files changed, 13 insertions, 1 deletions

diff --git a/ios/app/MBXViewController.mm b/ios/app/MBXViewController.mm
index bb35a07910..d05d142a52 100644
--- a/ios/app/MBXViewController.mm
+++ b/ios/app/MBXViewController.mm
@@ -357,6 +357,15 @@ static NSUInteger const kStyleVersion = 8;
     NSString *title = [(MGLPointAnnotation *)annotation title];
     NSString *lastTwoCharacters = [title substringFromIndex:title.length - 2];
 
+    UIColor *color;
+
+    // make every tenth annotation blue
+    if ([lastTwoCharacters hasSuffix:@"0"]) {
+        color = [UIColor blueColor];
+    } else {
+        color = [UIColor redColor];
+    }
+
     MGLAnnotationImage *image = [mapView dequeueReusableAnnotationImageWithIdentifier:lastTwoCharacters];
 
     if ( ! image)
@@ -367,7 +376,7 @@ static NSUInteger const kStyleVersion = 8;
 
         CGContextRef ctx = UIGraphicsGetCurrentContext();
 
-        CGContextSetFillColorWithColor(ctx, [[[UIColor redColor] colorWithAlphaComponent:0.75] CGColor]);
+        CGContextSetFillColorWithColor(ctx, [[color colorWithAlphaComponent:0.75] CGColor]);
         CGContextFillRect(ctx, rect);
 
         CGContextSetStrokeColorWithColor(ctx, [[UIColor blackColor] CGColor]);
@@ -385,6 +394,9 @@ static NSUInteger const kStyleVersion = 8;
 
         image = [MGLAnnotationImage annotationImageWithImage:UIGraphicsGetImageFromCurrentImageContext() reuseIdentifier:lastTwoCharacters];
 
+        // don't allow touches on blue annotations
+        if ([color isEqual:[UIColor blueColor]]) image.enabled = NO;
+
         UIGraphicsEndImageContext();
     }