drift.diff

diff --git a/platform/ios/MGLMapView.mm b/platform/ios/MGLMapView.mm
index c6e6bfd..81c8313 100644
--- a/platform/ios/MGLMapView.mm
+++ b/platform/ios/MGLMapView.mm
@@ -79,6 +79,7 @@ CLLocationDegrees MGLDegreesFromRadians(CGFloat radians)
 @property (nonatomic) UIPinchGestureRecognizer *pinch;
 @property (nonatomic) UIRotationGestureRecognizer *rotate;
 @property (nonatomic) UILongPressGestureRecognizer *quickZoom;
+@property (nonatomic) UILongPressGestureRecognizer *longPress;
 @property (nonatomic) NSMapTable *annotationIDsByAnnotation;
 @property (nonatomic) std::vector<uint32_t> annotationsNearbyLastTap;
 @property (nonatomic, weak) id <MGLAnnotation> selectedAnnotation;
@@ -368,6 +369,9 @@ std::chrono::steady_clock::duration secondsAsDuration(float duration)
         [self addGestureRecognizer:_quickZoom];
     }
 
+    _longPress = [[UILongPressGestureRecognizer alloc] initWithTarget:self action:@selector(handleLongPress:)];
+    [self addGestureRecognizer:_longPress];
+
     // observe app activity
     //
     [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(sleepGL:) name:UIApplicationWillResignActiveNotification object:nil];
@@ -881,6 +885,13 @@ std::chrono::steady_clock::duration secondsAsDuration(float duration)
     self.animatingGesture = NO;
 }
 
+- (void)handleLongPress:(UILongPressGestureRecognizer *)longPress
+{
+    if (longPress.state != UIGestureRecognizerStateEnded) return;
+
+    _mbglMap->moveBy(200, 200, secondsAsDuration(1));
+}
+
 - (void)handlePanGesture:(UIPanGestureRecognizer *)pan
 {
     if ( ! self.isScrollEnabled) return;