[android] Sources: peer model, mutability (#6054)

1 files changed, 77 insertions, 0 deletions

diff --git a/platform/android/src/style/sources/geojson_source.cpp b/platform/android/src/style/sources/geojson_source.cpp
new file mode 100644
index 0000000000..cb03cc06c6
--- /dev/null
+++ b/platform/android/src/style/sources/geojson_source.cpp
@@ -0,0 +1,77 @@
+#include "geojson_source.hpp"
+
+#include "../android_conversion.hpp"
+#include "../conversion/geojson.hpp"
+#include <mbgl/style/conversion.hpp>
+#include <mbgl/style/conversion/geojson_options.hpp>
+
+#include <string>
+
+namespace mbgl {
+namespace android {
+
+    GeoJSONSource::GeoJSONSource(jni::JNIEnv& env, jni::String sourceId, jni::Object<> options)
+        : Source(env, std::make_unique<mbgl::style::GeoJSONSource>(
+                jni::Make<std::string>(env, sourceId),
+                options ? *style::conversion::convert<style::GeoJSONOptions>(Value(env, options)) : style::GeoJSONOptions()
+                )
+            ) {
+    }
+
+    GeoJSONSource::GeoJSONSource(mbgl::Map& map, mbgl::style::GeoJSONSource& coreSource)
+        : Source(map, coreSource) {
+    }
+
+    GeoJSONSource::~GeoJSONSource() = default;
+
+    void GeoJSONSource::setGeoJSON(jni::JNIEnv& env, jni::Object<> json) {
+        using namespace mbgl::style::conversion;
+
+        //Convert the jni object
+        Result<GeoJSON> converted = convert<GeoJSON>(Value(env, json));
+        if(!converted) {
+            mbgl::Log::Error(mbgl::Event::JNI, "Error setting geo json: " + converted.error().message);
+            return;
+        }
+
+        //Update the core source
+        source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::setGeoJSON(*converted);
+
+        //Repaint
+        updateStyle(false);
+    }
+
+    void GeoJSONSource::setURL(jni::JNIEnv& env, jni::String url) {
+        //Update the core source
+        source.as<mbgl::style::GeoJSONSource>()->GeoJSONSource::setURL(jni::Make<std::string>(env, url));
+
+        //Repaint
+        updateStyle(false);
+    }
+
+    jni::Class<GeoJSONSource> GeoJSONSource::javaClass;
+
+    jni::jobject* GeoJSONSource::createJavaPeer(jni::JNIEnv& env) {
+        static auto constructor = GeoJSONSource::javaClass.template GetConstructor<jni::jlong>(env);
+        return GeoJSONSource::javaClass.New(env, constructor, reinterpret_cast<jni::jlong>(this));
+    }
+
+    void GeoJSONSource::registerNative(jni::JNIEnv& env) {
+        //Lookup the class
+        GeoJSONSource::javaClass = *jni::Class<GeoJSONSource>::Find(env).NewGlobalRef(env).release();
+
+        #define METHOD(MethodPtr, name) jni::MakeNativePeerMethod<decltype(MethodPtr), (MethodPtr)>(name)
+
+        //Register the peer
+        jni::RegisterNativePeer<GeoJSONSource>(
+            env, GeoJSONSource::javaClass, "nativePtr",
+            std::make_unique<GeoJSONSource, JNIEnv&, jni::String, jni::Object<>>,
+            "initialize",
+            "finalize",
+            METHOD(&GeoJSONSource::setGeoJSON, "nativeSetGeoJson"),
+            METHOD(&GeoJSONSource::setURL, "nativeSetUrl")
+        );
+    }
+
+} // namespace android
+} // namespace mbgl