From af09fd599a15881eda20232fe4225d3a2d67538b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Minh=20Nguy=E1=BB=85n?= <mxn@1ec5.org>
Date: Mon, 6 Apr 2015 12:26:26 -0700
Subject: Expose style class API publicly

Also added some convenience methods to match the underlying C++ API.
---
 include/mbgl/ios/MGLMapView.h | 12 ++++++++++++
 platform/ios/MGLMapView.mm    | 23 ++++++++++++++++++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/include/mbgl/ios/MGLMapView.h b/include/mbgl/ios/MGLMapView.h
index 5db1f425d5..f2aef61830 100644
--- a/include/mbgl/ios/MGLMapView.h
+++ b/include/mbgl/ios/MGLMapView.h
@@ -181,6 +181,18 @@ IB_DESIGNABLE
 *   To display the default style, set this property to `nil`. */
 @property (nonatomic) NSURL *styleURL;
 
+/** Currently active style classes, represented as an array of string identifiers. */
+@property (nonatomic) NSArray *styleClasses;
+
+/** Returns a Boolean value indicating whether the style class with the given identifier is currently active. */
+- (BOOL)hasStyleClass:(NSString *)styleClass;
+
+/** Activates the style class with the given identifier. */
+- (void)addStyleClass:(NSString *)styleClass;
+
+/** Deactivates the style class with the given identifier. */
+- (void)removeStyleClass:(NSString *)styleClass;
+
 #pragma mark - Annotating the Map
 
 /** @name Annotating the Map */
diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
index 741f659ad4..d0e224c051 100644
--- a/platform/ios/MGLMapView.mm
+++ b/platform/ios/MGLMapView.mm
@@ -1357,7 +1357,7 @@ CLLocationCoordinate2D latLngToCoordinate(mbgl::LatLng latLng)
     }
 }
 
-- (NSArray *)getAppliedStyleClasses
+- (NSArray *)styleClasses
 {
     NSMutableArray *returnArray = [NSMutableArray array];
 
@@ -1389,6 +1389,27 @@ CLLocationCoordinate2D latLngToCoordinate(mbgl::LatLng latLng)
     mbglMap->setClasses(newAppliedClasses);
 }
 
+- (BOOL)hasStyleClass:(NSString *)styleClass
+{
+    return styleClass && mbglMap->hasClass([styleClass UTF8String]);
+}
+
+- (void)addStyleClass:(NSString *)styleClass
+{
+    if (styleClass)
+    {
+        mbglMap->addClass([styleClass UTF8String]);
+    }
+}
+
+- (void)removeStyleClass:(NSString *)styleClass
+{
+    if (styleClass)
+    {
+        mbglMap->removeClass([styleClass UTF8String]);
+    }
+}
+
 #pragma mark - Annotations -
 
 - (NSArray *)annotations
-- 
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