From d1e69c8bafec2b799fae441be17b79c3566baac3 Mon Sep 17 00:00:00 2001
From: Ivo van Dongen <info@ivovandongen.nl>
Date: Tue, 19 Sep 2017 10:56:47 +0300
Subject: [android] CustomLayer - optionally accept a context lost callback
 function

---
 .../com/mapbox/mapboxsdk/style/layers/CustomLayer.java     | 14 ++++++++++++--
 platform/android/src/style/layers/custom_layer.cpp         |  5 +++--
 platform/android/src/style/layers/custom_layer.hpp         |  2 +-
 3 files changed, 16 insertions(+), 5 deletions(-)

diff --git a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/CustomLayer.java b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/CustomLayer.java
index 7807556b78..f77e7280f0 100644
--- a/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/CustomLayer.java
+++ b/platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/style/layers/CustomLayer.java
@@ -13,7 +13,16 @@ public class CustomLayer extends Layer {
                      long initializeFunction,
                      long renderFunction,
                      long deinitializeFunction) {
-    initialize(id, initializeFunction, renderFunction, deinitializeFunction, context);
+    this(id, context, initializeFunction, renderFunction, 0L, deinitializeFunction);
+  }
+
+  public CustomLayer(String id,
+                     long context,
+                     long initializeFunction,
+                     long renderFunction,
+                     long contextLostFunction,
+                     long deinitializeFunction) {
+    initialize(id, initializeFunction, renderFunction, contextLostFunction, deinitializeFunction, context);
   }
 
   public CustomLayer(long nativePtr) {
@@ -24,7 +33,8 @@ public class CustomLayer extends Layer {
     nativeUpdate();
   }
 
-  protected native void initialize(String id, long initializeFunction, long renderFunction, long deinitializeFunction,
+  protected native void initialize(String id, long initializeFunction, long renderFunction,
+                                   long contextLostFunction, long deinitializeFunction,
                                    long context);
 
   protected native void nativeUpdate();
diff --git a/platform/android/src/style/layers/custom_layer.cpp b/platform/android/src/style/layers/custom_layer.cpp
index e6321a8efa..51a48520bf 100644
--- a/platform/android/src/style/layers/custom_layer.cpp
+++ b/platform/android/src/style/layers/custom_layer.cpp
@@ -7,11 +7,12 @@
 namespace mbgl {
 namespace android {
 
-    CustomLayer::CustomLayer(jni::JNIEnv& env, jni::String layerId, jni::jlong initializeFunction, jni::jlong renderFunction, jni::jlong deinitializeFunction, jni::jlong context)
+    CustomLayer::CustomLayer(jni::JNIEnv& env, jni::String layerId, jni::jlong initializeFunction, jni::jlong renderFunction, jni::jlong contextLostFunction, jni::jlong deinitializeFunction, jni::jlong context)
         : Layer(env, std::make_unique<mbgl::style::CustomLayer>(
                 jni::Make<std::string>(env, layerId),
                 reinterpret_cast<mbgl::style::CustomLayerInitializeFunction>(initializeFunction),
                 reinterpret_cast<mbgl::style::CustomLayerRenderFunction>(renderFunction),
+                reinterpret_cast<mbgl::style::CustomLayerContextLostFunction>(contextLostFunction),
                 reinterpret_cast<mbgl::style::CustomLayerDeinitializeFunction>(deinitializeFunction),
                 reinterpret_cast<void*>(context))
                 ) {
@@ -52,7 +53,7 @@ namespace android {
         // Register the peer
         jni::RegisterNativePeer<CustomLayer>(
             env, CustomLayer::javaClass, "nativePtr",
-            std::make_unique<CustomLayer, JNIEnv&, jni::String, jni::jlong, jni::jlong, jni::jlong, jni::jlong>,
+            std::make_unique<CustomLayer, JNIEnv&, jni::String, jni::jlong, jni::jlong, jni::jlong, jni::jlong, jni::jlong>,
             "initialize",
             "finalize",
             METHOD(&CustomLayer::update, "nativeUpdate"));
diff --git a/platform/android/src/style/layers/custom_layer.hpp b/platform/android/src/style/layers/custom_layer.hpp
index 3e3f3bf77f..9e079c1288 100644
--- a/platform/android/src/style/layers/custom_layer.hpp
+++ b/platform/android/src/style/layers/custom_layer.hpp
@@ -16,7 +16,7 @@ public:
 
     static void registerNative(jni::JNIEnv&);
 
-    CustomLayer(jni::JNIEnv&, jni::String, jni::jlong, jni::jlong, jni::jlong, jni::jlong);
+    CustomLayer(jni::JNIEnv&, jni::String, jni::jlong, jni::jlong, jni::jlong, jni::jlong, jni::jlong);
 
     CustomLayer(mbgl::Map&, mbgl::style::CustomLayer&);
 
-- 
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