1 files changed, 59 insertions, 0 deletions
diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapZoomButtonController.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapZoomButtonController.java
new file mode 100644
index 0000000000..06084d906e
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/MapZoomButtonController.java
@@ -0,0 +1,59 @@
+package com.mapbox.mapboxsdk.maps;
+
+import android.support.annotation.NonNull;
+import android.view.View;
+import android.widget.ZoomButtonsController;
+
+import com.mapbox.mapboxsdk.constants.MapboxConstants;
+
+/**
+ * The MapZoomButtonController is a ui interface element shown on top of the map.
+ * <p>
+ * Allows single touch only devices to zoom in and out.
+ * </p>
+ */
+final class MapZoomButtonController extends ZoomButtonsController {
+
+  private UiSettings uiSettings;
+
+  MapZoomButtonController(@NonNull View ownerView, @NonNull UiSettings uiSettings, @NonNull Transform transform) {
+    super(ownerView);
+    this.uiSettings = uiSettings;
+    setZoomSpeed(MapboxConstants.ANIMATION_DURATION);
+    setOnZoomListener(new OnZoomListener(uiSettings, transform));
+  }
+
+  @Override
+  public void setVisible(boolean visible) {
+    if (uiSettings.isZoomControlsEnabled()) {
+      super.setVisible(visible);
+    }
+  }
+
+  // Zoom controls allow single touch only devices to zoom in and out
+  private static class OnZoomListener implements ZoomButtonsController.OnZoomListener {
+
+    private final UiSettings uiSettings;
+    private final Transform transform;
+
+    OnZoomListener(UiSettings uiSettings, Transform transform) {
+      this.uiSettings = uiSettings;
+      this.transform = transform;
+    }
+
+    // Not used
+    @Override
+    public void onVisibilityChanged(boolean visible) {
+      // Ignore
+    }
+
+    // Called when user pushes a zoom button
+    @Override
+    public void onZoom(boolean zoomIn) {
+      if (!uiSettings.isZoomGesturesEnabled()) {
+        return;
+      }
+      transform.zoom(zoomIn);
+    }
+  }
+}