Add simple tracking mode button to demo app

13 files changed, 22 insertions, 1 deletions

diff --git a/ios/app/MBXViewController.mm b/ios/app/MBXViewController.mm
index 28ac68589a..fc7ad3cb57 100644
--- a/ios/app/MBXViewController.mm
+++ b/ios/app/MBXViewController.mm
@@ -85,7 +85,7 @@ mbgl::Settings_NSUserDefaults *settings = nullptr;
     [titleButton addTarget:self action:@selector(cycleStyles) forControlEvents:UIControlEventTouchUpInside];
     self.navigationItem.titleView = titleButton;
 
-    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"locateUser.png"]
+    self.navigationItem.rightBarButtonItem = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"TrackingLocationOffMask.png"]
                                                                               style:UIBarButtonItemStylePlain
                                                                              target:self
                                                                              action:@selector(locateUser)];
@@ -290,6 +290,27 @@ mbgl::Settings_NSUserDefaults *settings = nullptr;
     return YES;
 }
 
+- (void)mapView:(MGLMapView *)mapView didChangeUserTrackingMode:(MGLUserTrackingMode)mode animated:(BOOL)animated
+{
+    UIImage *newButtonImage;
+    
+    switch (mode) {
+        case MGLUserTrackingModeNone:
+            newButtonImage = [UIImage imageNamed:@"TrackingLocationOffMask.png"];
+            break;
+            
+        case MGLUserTrackingModeFollow:
+            newButtonImage = [UIImage imageNamed:@"TrackingLocationMask.png"];
+            break;
+            
+        case MGLUserTrackingModeFollowWithHeading:
+            newButtonImage = [UIImage imageNamed:@"TrackingHeadingMask.png"];
+            break;
+    }
+    
+    self.navigationItem.rightBarButtonItem.image = newButtonImage;
+}
+
 #pragma clang diagnostic pop
 
 @end
diff --git a/ios/app/img/TrackingHeadingMask.png b/ios/app/img/TrackingHeadingMask.png
new file mode 100644
index 0000000000..9ec0567a3f
--- /dev/null
+++ b/ios/app/img/TrackingHeadingMask.png
diff --git a/ios/app/img/TrackingHeadingMask@2x.png b/ios/app/img/TrackingHeadingMask@2x.png
new file mode 100644
index 0000000000..0df8ccc229
--- /dev/null
+++ b/ios/app/img/TrackingHeadingMask@2x.png
diff --git a/ios/app/img/TrackingHeadingMask@3x.png b/ios/app/img/TrackingHeadingMask@3x.png
new file mode 100644
index 0000000000..e4b93e42e7
--- /dev/null
+++ b/ios/app/img/TrackingHeadingMask@3x.png
diff --git a/ios/app/img/TrackingLocationMask.png b/ios/app/img/TrackingLocationMask.png
new file mode 100644
index 0000000000..bb7348c482
--- /dev/null
+++ b/ios/app/img/TrackingLocationMask.png
diff --git a/ios/app/img/TrackingLocationMask@2x.png b/ios/app/img/TrackingLocationMask@2x.png
new file mode 100644
index 0000000000..35c5a293ec
--- /dev/null
+++ b/ios/app/img/TrackingLocationMask@2x.png
diff --git a/ios/app/img/TrackingLocationMask@3x.png b/ios/app/img/TrackingLocationMask@3x.png
new file mode 100644
index 0000000000..af523975a5
--- /dev/null
+++ b/ios/app/img/TrackingLocationMask@3x.png
diff --git a/ios/app/img/TrackingLocationOffMask.png b/ios/app/img/TrackingLocationOffMask.png
new file mode 100644
index 0000000000..87b26c5710
--- /dev/null
+++ b/ios/app/img/TrackingLocationOffMask.png
diff --git a/ios/app/img/TrackingLocationOffMask@2x.png b/ios/app/img/TrackingLocationOffMask@2x.png
new file mode 100644
index 0000000000..232d534b41
--- /dev/null
+++ b/ios/app/img/TrackingLocationOffMask@2x.png
diff --git a/ios/app/img/TrackingLocationOffMask@3x.png b/ios/app/img/TrackingLocationOffMask@3x.png
new file mode 100644
index 0000000000..b609fbe84e
--- /dev/null
+++ b/ios/app/img/TrackingLocationOffMask@3x.png
diff --git a/ios/app/img/locateUser.png b/ios/app/img/locateUser.png
deleted file mode 100644
index aa8d1cf52e..0000000000
--- a/ios/app/img/locateUser.png
+++ /dev/null
diff --git a/ios/app/img/locateUser@2x.png b/ios/app/img/locateUser@2x.png
deleted file mode 100644
index 29c4905938..0000000000
--- a/ios/app/img/locateUser@2x.png
+++ /dev/null
diff --git a/ios/app/img/locateUser@3x.png b/ios/app/img/locateUser@3x.png
deleted file mode 100644
index 206a5ae80f..0000000000
--- a/ios/app/img/locateUser@3x.png
+++ /dev/null