From 62e85c1224de6d29b3c52f7049aff7e14347211d Mon Sep 17 00:00:00 2001
From: Ivo van Dongen <info@ivovandongen.nl>
Date: Fri, 24 Feb 2017 16:14:43 +0200
Subject: [PATCH] [android] add unknown source type

---
 .../style/sources/UnknownSource.java          | 25 +++++++++++
 platform/android/config.cmake                 |  2 +
 .../android/src/style/sources/sources.cpp     |  8 ++--
 .../src/style/sources/unknown_source.cpp      | 42 +++++++++++++++++++
 .../src/style/sources/unknown_source.hpp      | 28 +++++++++++++
 5 files changed, 102 insertions(+), 3 deletions(-)
 create mode 100644 platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/UnknownSource.java
 create mode 100644 platform/android/src/style/sources/unknown_source.cpp
 create mode 100644 platform/android/src/style/sources/unknown_source.hpp

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/UnknownSource.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/UnknownSource.java
new file mode 100644
index 000000000..4a97d71f9
--- /dev/null
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/sources/UnknownSource.java
@@ -0,0 +1,25 @@
+package com.mapbox.mapboxsdk.style.sources;
+
+import android.support.annotation.UiThread;
+
+/**
+ * An unknown type of source
+ */
+@UiThread
+public class UnknownSource extends Source {
+
+  /**
+   * Creates a UnknownSource.
+   *
+   * @param nativePtr pointer used by core
+   */
+  UnknownSource(long nativePtr) {
+    super(nativePtr);
+  }
+
+  protected native void initialize();
+
+  @Override
+  protected native void finalize() throws Throwable;
+
+}
diff --git a/platform/android/config.cmake b/platform/android/config.cmake
index 2a66f32b7..18458deba 100644
--- a/platform/android/config.cmake
+++ b/platform/android/config.cmake
@@ -124,6 +124,8 @@ macro(mbgl_platform_core)
         platform/android/src/style/sources/sources.hpp
         platform/android/src/style/sources/raster_source.cpp
         platform/android/src/style/sources/raster_source.hpp
+        platform/android/src/style/sources/unknown_source.cpp
+        platform/android/src/style/sources/unknown_source.hpp
         platform/android/src/style/sources/vector_source.cpp
         platform/android/src/style/sources/vector_source.hpp
         platform/android/src/style/functions/stop.cpp
diff --git a/platform/android/src/style/sources/sources.cpp b/platform/android/src/style/sources/sources.cpp
index cae4bb47b..b4e70202b 100644
--- a/platform/android/src/style/sources/sources.cpp
+++ b/platform/android/src/style/sources/sources.cpp
@@ -8,6 +8,7 @@
 #include "source.hpp"
 #include "geojson_source.hpp"
 #include "raster_source.hpp"
+#include "unknown_source.hpp"
 #include "vector_source.hpp"
 
 namespace mbgl {
@@ -22,7 +23,7 @@ Source* initializeSourcePeer(mbgl::Map& map, mbgl::style::Source& coreSource) {
     } else if (coreSource.is<mbgl::style::GeoJSONSource>()) {
         source = new GeoJSONSource(map, *coreSource.as<mbgl::style::GeoJSONSource>());
     } else {
-        throw new std::runtime_error("Source type not implemented");
+        source = new UnknownSource(map, coreSource);
     }
 
     return source;
@@ -37,9 +38,10 @@ jni::jobject* createJavaSourcePeer(jni::JNIEnv& env, mbgl::Map& map, mbgl::style
 
 void registerNativeSources(jni::JNIEnv& env) {
     Source::registerNative(env);
-    VectorSource::registerNative(env);
-    RasterSource::registerNative(env);
     GeoJSONSource::registerNative(env);
+    RasterSource::registerNative(env);
+    UnknownSource::registerNative(env);
+    VectorSource::registerNative(env);
 }
 
 }
diff --git a/platform/android/src/style/sources/unknown_source.cpp b/platform/android/src/style/sources/unknown_source.cpp
new file mode 100644
index 000000000..c1b1cc8c0
--- /dev/null
+++ b/platform/android/src/style/sources/unknown_source.cpp
@@ -0,0 +1,42 @@
+#include "unknown_source.hpp"
+
+namespace {
+
+    // Dummy initializer (We don't support initializing this from the JVM)
+    std::unique_ptr<mbgl::android::UnknownSource> init(jni::JNIEnv&) {
+        throw new std::runtime_error("UnknownSource should not be initialized from the JVM");
+    }
+
+} // namespace
+
+namespace mbgl {
+namespace android {
+
+    UnknownSource::UnknownSource(mbgl::Map& map, mbgl::style::Source& coreSource)
+        : Source(map, coreSource) {
+    }
+
+    jni::Class<UnknownSource> UnknownSource::javaClass;
+
+    jni::jobject* UnknownSource::createJavaPeer(jni::JNIEnv& env) {
+        static auto constructor = UnknownSource::javaClass.template GetConstructor<jni::jlong>(env);
+        return UnknownSource::javaClass.New(env, constructor, reinterpret_cast<jni::jlong>(this));
+    }
+
+    void UnknownSource::registerNative(jni::JNIEnv& env) {
+        // Lookup the class
+        UnknownSource::javaClass = *jni::Class<UnknownSource>::Find(env).NewGlobalRef(env).release();
+
+        #define METHOD(MethodPtr, name) jni::MakeNativePeerMethod<decltype(MethodPtr), (MethodPtr)>(name)
+
+        // Register the peer
+        jni::RegisterNativePeer<UnknownSource>(
+            env, UnknownSource::javaClass, "nativePtr",
+            init,
+            "initialize",
+            "finalize"
+        );
+    }
+
+} // namespace android
+} // namespace mbgl
diff --git a/platform/android/src/style/sources/unknown_source.hpp b/platform/android/src/style/sources/unknown_source.hpp
new file mode 100644
index 000000000..3c3723979
--- /dev/null
+++ b/platform/android/src/style/sources/unknown_source.hpp
@@ -0,0 +1,28 @@
+#pragma once
+
+#include "source.hpp"
+#include <mbgl/style/source.hpp>
+#include <jni/jni.hpp>
+
+namespace mbgl {
+namespace android {
+
+class UnknownSource : public Source {
+public:
+
+    static constexpr auto Name() { return "com/mapbox/mapboxsdk/style/sources/UnknownSource"; };
+
+    static jni::Class<UnknownSource> javaClass;
+
+    static void registerNative(jni::JNIEnv&);
+
+    UnknownSource(mbgl::Map&, mbgl::style::Source&);
+
+    ~UnknownSource() = default;
+
+    jni::jobject* createJavaPeer(jni::JNIEnv&);
+
+}; // class UnknownSource
+
+} // namespace android
+} // namespace mbgl