[android] native map view refactoringupstream/ivovandongen-gl-sv

1 files changed, 42 insertions, 0 deletions

diff --git a/platform/android/src/annotation/multi_point.hpp b/platform/android/src/annotation/multi_point.hpp
new file mode 100644
index 0000000000..e1152dfd60
--- /dev/null
+++ b/platform/android/src/annotation/multi_point.hpp
@@ -0,0 +1,42 @@
+#pragma once
+
+#include <mbgl/util/noncopyable.hpp>
+#include <jni/jni.hpp>
+
+#include "../geometry/lat_lng.hpp"
+#include "../java/util.hpp"
+
+namespace mbgl {
+namespace android {
+
+class MultiPoint : protected mbgl::util::noncopyable {
+
+protected:
+
+  template <class Geometry>
+  static Geometry toGeometry(JNIEnv& env, jni::Object<java::util::List> pointsList) {
+      NullCheck(env, &pointsList);
+      auto jarray = java::util::List::toArray<LatLng>(env, pointsList);
+      NullCheck(env, &jarray);
+
+      std::size_t size = jarray.Length(env);
+
+      Geometry geometry;
+      geometry.reserve(size);
+
+      for (std::size_t i = 0; i < size; i++) {
+          auto latLng = jarray.Get(env, i);
+          NullCheck(env, &latLng);
+
+          geometry.push_back(LatLng::getGeometry(env, latLng));
+
+          jni::DeleteLocalRef(env, latLng);
+      }
+
+      jni::DeleteLocalRef(env, jarray);
+      return geometry;
+  }
+};
+
+} // namespace android
+} // namespace mbgl
\ No newline at end of file