From 8c5c4dd5657852dbd82acdf30927d8af9d2f87f6 Mon Sep 17 00:00:00 2001
From: Lloyd Sheng <i@lloydsheng.com>
Date: Thu, 11 Apr 2019 16:48:53 +0800
Subject: [ios] Fix issue wrong position of attribution dialog after rotation 
 (#14185)

* Fix issue #12897
---
 platform/ios/CHANGELOG.md      |  1 +
 platform/ios/src/MGLMapView.mm | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)

diff --git a/platform/ios/CHANGELOG.md b/platform/ios/CHANGELOG.md
index 1f6e8b01c3..72e3e75cb2 100644
--- a/platform/ios/CHANGELOG.md
+++ b/platform/ios/CHANGELOG.md
@@ -5,6 +5,7 @@ Mapbox welcomes participation and contributions from everyone. Please read [CONT
 ## 4.11.0
 
 * Fixed an Interface Builder crash when using an `MGLMapView` in a storyboard. ([#14379](https://github.com/mapbox/mapbox-gl-native/pull/14379))
+* Fix a bug that wrong position of attribution dialog after rotation. ([#14185](https://github.com/mapbox/mapbox-gl-native/pull/14185))
 
 ## 4.10.0
 
diff --git a/platform/ios/src/MGLMapView.mm b/platform/ios/src/MGLMapView.mm
index 232beb9b2e..49218747ae 100644
--- a/platform/ios/src/MGLMapView.mm
+++ b/platform/ios/src/MGLMapView.mm
@@ -213,6 +213,7 @@ public:
 @property (nonatomic) NSMutableArray<NSLayoutConstraint *> *logoViewConstraints;
 @property (nonatomic, readwrite) UIButton *attributionButton;
 @property (nonatomic) NSMutableArray<NSLayoutConstraint *> *attributionButtonConstraints;
+@property (nonatomic, weak) UIAlertController *attributionController;
 
 @property (nonatomic, readwrite) MGLStyle *style;
 
@@ -1016,6 +1017,8 @@ public:
     }
 
     [self updateUserLocationAnnotationView];
+
+    [self updateAttributionAlertView];
 }
 
 /// Updates `contentInset` to reflect the current window geometry.
@@ -2417,6 +2420,7 @@ public:
     
     UIViewController *viewController = [self.window.rootViewController mgl_topMostViewController];
     [viewController presentViewController:attributionController animated:YES completion:NULL];
+    self.attributionController = attributionController;
 }
 
 - (void)presentTelemetryAlertController
@@ -6405,6 +6409,23 @@ public:
     }
 }
 
+- (void)updateAttributionAlertView {
+    if (self.attributionController.presentingViewController) {
+        self.attributionController.popoverPresentationController.sourceRect = self.attributionButton.frame;
+        switch (self.attributionButtonPosition) {
+            case MGLOrnamentPositionTopLeft:
+            case MGLOrnamentPositionTopRight:
+                [self.attributionController.popoverPresentationController setPermittedArrowDirections:UIMenuControllerArrowUp];
+                break;
+            case MGLOrnamentPositionBottomLeft:
+            case MGLOrnamentPositionBottomRight:
+                [self.attributionController.popoverPresentationController setPermittedArrowDirections:UIMenuControllerArrowDown];
+                break;
+        }
+        [self.attributionController.popoverPresentationController.containerView setNeedsLayout];
+    }
+}
+
 - (void)enqueueAnnotationViewForAnnotationContext:(MGLAnnotationContext &)annotationContext
 {
     MGLAnnotationView *annotationView = annotationContext.annotationView;
-- 
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