[android] WIP add filter converter

3 files changed, 53 insertions, 0 deletions

diff --git a/platform/android/src/style/conversion/filter.hpp b/platform/android/src/style/conversion/filter.hpp
index 1f0abcf3a4..55aa7091c6 100644
--- a/platform/android/src/style/conversion/filter.hpp
+++ b/platform/android/src/style/conversion/filter.hpp
@@ -1,6 +1,8 @@
 #pragma once
 
 #include "../android_conversion.hpp"
+#include "../filter.hpp"
+#include "../../conversion/conversion.hpp"
 #include <mbgl/style/conversion.hpp>
 #include <mbgl/style/conversion/filter.hpp>
 
@@ -27,6 +29,16 @@ inline optional<mbgl::style::Filter> toFilter(jni::JNIEnv& env, jni::Array<jni::
     return filter;
 }
 
+template <>
+struct Converter<jni::Object<android::style::Filter>, mbgl::style::Filter> {
+    Result<jni::Object<android::style::Filter>> operator()(jni::JNIEnv& env, const mbgl::style::Filter& value) const {
+        using namespace mbgl::android::style;
+        auto filter = jni::Object<android::style::Filter>(*convert<jni::jobject*>(env, value));
+
+        return filter;
+    }
+};
+
 } // namespace conversion
 } // namespace android
 } // namespace mbgl
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diff --git a/platform/android/src/style/filter.cpp b/platform/android/src/style/filter.cpp
new file mode 100644
index 0000000000..40954578f0
--- /dev/null
+++ b/platform/android/src/style/filter.cpp
@@ -0,0 +1,17 @@
+#include "filter.hpp"
+
+namespace mbgl {
+namespace android {
+namespace style {
+
+void Filter::registerNative(jni::JNIEnv& env) {
+    // Lookup the class
+    Filter::javaClass = *jni::Class<Filter>::Find(env).NewGlobalRef(env).release();
+}
+
+jni::Class<Filter> Filter::javaClass;
+
+
+} // namespace style
+} // namespace android
+} // namespace mbgl
\ No newline at end of file
diff --git a/platform/android/src/style/filter.hpp b/platform/android/src/style/filter.hpp
new file mode 100644
index 0000000000..335295df51
--- /dev/null
+++ b/platform/android/src/style/filter.hpp
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <mbgl/util/noncopyable.hpp>
+
+#include <jni/jni.hpp>
+
+namespace mbgl {
+namespace android {
+namespace style {
+
+class Filter : private mbgl::util::noncopyable {
+public:
+
+    static constexpr auto Name() { return "com/mapbox/mapboxsdk/style/layers/Filter"; };
+
+    static jni::Class<Filter> javaClass;
+
+    static void registerNative(jni::JNIEnv&);
+
+};
+
+} // namespace style
+} // namespace android
+} // namespace mbgl
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