Merge branch 'master' into release-boba

# Conflicts:
#	platform/android/CHANGELOG.md
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/Mapbox.java
#	platform/android/MapboxGLAndroidSDK/src/main/java/com/mapbox/mapboxsdk/maps/widgets/CompassView.java
#	platform/android/scripts/exclude-activity-gen.json
#	platform/ios/CHANGELOG.md
#	platform/ios/Mapbox-iOS-SDK-nightly-dynamic.podspec
#	platform/ios/Mapbox-iOS-SDK-symbols.podspec
#	platform/ios/Mapbox-iOS-SDK.podspec
#	platform/macos/CHANGELOG.md

9 files changed, 196 insertions, 7 deletions

diff --git a/platform/android/src/android_renderer_frontend.cpp b/platform/android/src/android_renderer_frontend.cpp
index afdb08a10e..2a03d9de9e 100644
--- a/platform/android/src/android_renderer_frontend.cpp
+++ b/platform/android/src/android_renderer_frontend.cpp
@@ -77,8 +77,8 @@ void AndroidRendererFrontend::update(std::shared_ptr<UpdateParameters> params) {
     mapRenderer.requestRender();
 }
 
-void AndroidRendererFrontend::onLowMemory() {
-    mapRenderer.actor().invoke(&Renderer::onLowMemory);
+void AndroidRendererFrontend::reduceMemoryUse() {
+    mapRenderer.actor().invoke(&Renderer::reduceMemoryUse);
 }
 
 std::vector<Feature> AndroidRendererFrontend::querySourceFeatures(const std::string& sourceID,
diff --git a/platform/android/src/android_renderer_frontend.hpp b/platform/android/src/android_renderer_frontend.hpp
index 178870c452..b61904e388 100644
--- a/platform/android/src/android_renderer_frontend.hpp
+++ b/platform/android/src/android_renderer_frontend.hpp
@@ -39,7 +39,7 @@ public:
     AnnotationIDs queryShapeAnnotations(const ScreenBox& box) const;
 
     // Memory
-    void onLowMemory();
+    void reduceMemoryUse();
 
 private:
     MapRenderer& mapRenderer;
diff --git a/platform/android/src/example_custom_layer.cpp b/platform/android/src/example_custom_layer.cpp
index 1ed68d0835..6d0bd4de4b 100644
--- a/platform/android/src/example_custom_layer.cpp
+++ b/platform/android/src/example_custom_layer.cpp
@@ -96,7 +96,7 @@ void nativeContextLost(void */*context*/) {
     mbgl::Log::Info(mbgl::Event::General, "nativeContextLost");
 }
 
-void nativeDenitialize(void *context) {
+void nativeDeinitialize(void *context) {
     mbgl::Log::Info(mbgl::Event::General, "nativeDeinitialize");
     delete reinterpret_cast<ExampleCustomLayer*>(context);
 }
@@ -132,7 +132,7 @@ extern "C" JNIEXPORT jint JNICALL JNI_OnLoad(JavaVM *vm, void *) {
 
     env->SetStaticLongField(customLayerClass,
         env->GetStaticFieldID(customLayerClass, "DeinitializeFunction", "J"),
-        reinterpret_cast<jlong>(nativeDenitialize));
+        reinterpret_cast<jlong>(nativeDeinitialize));
 
     return JNI_VERSION_1_6;
 }
diff --git a/platform/android/src/native_map_view.cpp b/platform/android/src/native_map_view.cpp
index eefb578f39..3bd46631a0 100755
--- a/platform/android/src/native_map_view.cpp
+++ b/platform/android/src/native_map_view.cpp
@@ -450,7 +450,7 @@ jni::Array<jni::jlong> NativeMapView::addMarkers(jni::JNIEnv& env, jni::Array<jn
 }
 
 void NativeMapView::onLowMemory(JNIEnv&) {
-    rendererFrontend->onLowMemory();
+    rendererFrontend->reduceMemoryUse();
 }
 
 using DebugOptions = mbgl::MapDebugOptions;
diff --git a/platform/android/src/style/layers/heatmap_layer.cpp b/platform/android/src/style/layers/heatmap_layer.cpp
new file mode 100644
index 0000000000..609499ec93
--- /dev/null
+++ b/platform/android/src/style/layers/heatmap_layer.cpp
@@ -0,0 +1,134 @@
+// This file is generated. Edit android/platform/scripts/generate-style-code.js, then run `make android-style-code`.
+
+#include "heatmap_layer.hpp"
+
+#include <string>
+
+#include "../conversion/property_value.hpp"
+#include "../conversion/transition_options.hpp"
+
+namespace mbgl {
+namespace android {
+
+    /**
+     * Creates an owning peer object (for layers not attached to the map) from the JVM side
+     */
+    HeatmapLayer::HeatmapLayer(jni::JNIEnv& env, jni::String layerId, jni::String sourceId)
+        : Layer(env, std::make_unique<mbgl::style::HeatmapLayer>(jni::Make<std::string>(env, layerId), jni::Make<std::string>(env, sourceId))) {
+    }
+
+    /**
+     * Creates a non-owning peer object (for layers currently attached to the map)
+     */
+    HeatmapLayer::HeatmapLayer(mbgl::Map& map, mbgl::style::HeatmapLayer& coreLayer)
+        : Layer(map, coreLayer) {
+    }
+
+    /**
+     * Creates an owning peer object (for layers not attached to the map)
+     */
+    HeatmapLayer::HeatmapLayer(mbgl::Map& map, std::unique_ptr<mbgl::style::HeatmapLayer> coreLayer)
+        : Layer(map, std::move(coreLayer)) {
+    }
+
+    HeatmapLayer::~HeatmapLayer() = default;
+
+    // Property getters
+
+    jni::Object<jni::ObjectTag> HeatmapLayer::getHeatmapRadius(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        Result<jni::jobject*> converted = convert<jni::jobject*>(env, layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::getHeatmapRadius());
+        return jni::Object<jni::ObjectTag>(*converted);
+    }
+
+    jni::Object<TransitionOptions> HeatmapLayer::getHeatmapRadiusTransition(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        mbgl::style::TransitionOptions options = layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::getHeatmapRadiusTransition();
+        return *convert<jni::Object<TransitionOptions>>(env, options);
+    }
+
+    void HeatmapLayer::setHeatmapRadiusTransition(jni::JNIEnv&, jlong duration, jlong delay) {
+        mbgl::style::TransitionOptions options;
+        options.duration.emplace(mbgl::Milliseconds(duration));
+        options.delay.emplace(mbgl::Milliseconds(delay));
+        layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::setHeatmapRadiusTransition(options);
+    }
+
+    jni::Object<jni::ObjectTag> HeatmapLayer::getHeatmapWeight(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        Result<jni::jobject*> converted = convert<jni::jobject*>(env, layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::getHeatmapWeight());
+        return jni::Object<jni::ObjectTag>(*converted);
+    }
+
+    jni::Object<jni::ObjectTag> HeatmapLayer::getHeatmapIntensity(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        Result<jni::jobject*> converted = convert<jni::jobject*>(env, layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::getHeatmapIntensity());
+        return jni::Object<jni::ObjectTag>(*converted);
+    }
+
+    jni::Object<TransitionOptions> HeatmapLayer::getHeatmapIntensityTransition(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        mbgl::style::TransitionOptions options = layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::getHeatmapIntensityTransition();
+        return *convert<jni::Object<TransitionOptions>>(env, options);
+    }
+
+    void HeatmapLayer::setHeatmapIntensityTransition(jni::JNIEnv&, jlong duration, jlong delay) {
+        mbgl::style::TransitionOptions options;
+        options.duration.emplace(mbgl::Milliseconds(duration));
+        options.delay.emplace(mbgl::Milliseconds(delay));
+        layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::setHeatmapIntensityTransition(options);
+    }
+
+    jni::Object<jni::ObjectTag> HeatmapLayer::getHeatmapOpacity(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        Result<jni::jobject*> converted = convert<jni::jobject*>(env, layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::getHeatmapOpacity());
+        return jni::Object<jni::ObjectTag>(*converted);
+    }
+
+    jni::Object<TransitionOptions> HeatmapLayer::getHeatmapOpacityTransition(jni::JNIEnv& env) {
+        using namespace mbgl::android::conversion;
+        mbgl::style::TransitionOptions options = layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::getHeatmapOpacityTransition();
+        return *convert<jni::Object<TransitionOptions>>(env, options);
+    }
+
+    void HeatmapLayer::setHeatmapOpacityTransition(jni::JNIEnv&, jlong duration, jlong delay) {
+        mbgl::style::TransitionOptions options;
+        options.duration.emplace(mbgl::Milliseconds(duration));
+        options.delay.emplace(mbgl::Milliseconds(delay));
+        layer.as<mbgl::style::HeatmapLayer>()->HeatmapLayer::setHeatmapOpacityTransition(options);
+    }
+
+
+    jni::Class<HeatmapLayer> HeatmapLayer::javaClass;
+
+    jni::jobject* HeatmapLayer::createJavaPeer(jni::JNIEnv& env) {
+        static auto constructor = HeatmapLayer::javaClass.template GetConstructor<jni::jlong>(env);
+        return HeatmapLayer::javaClass.New(env, constructor, reinterpret_cast<jni::jlong>(this));
+    }
+
+    void HeatmapLayer::registerNative(jni::JNIEnv& env) {
+        // Lookup the class
+        HeatmapLayer::javaClass = *jni::Class<HeatmapLayer>::Find(env).NewGlobalRef(env).release();
+
+        #define METHOD(MethodPtr, name) jni::MakeNativePeerMethod<decltype(MethodPtr), (MethodPtr)>(name)
+
+        // Register the peer
+        jni::RegisterNativePeer<HeatmapLayer>(
+            env, HeatmapLayer::javaClass, "nativePtr",
+            std::make_unique<HeatmapLayer, JNIEnv&, jni::String, jni::String>,
+            "initialize",
+            "finalize",
+            METHOD(&HeatmapLayer::getHeatmapRadiusTransition, "nativeGetHeatmapRadiusTransition"),
+            METHOD(&HeatmapLayer::setHeatmapRadiusTransition, "nativeSetHeatmapRadiusTransition"),
+            METHOD(&HeatmapLayer::getHeatmapRadius, "nativeGetHeatmapRadius"),
+            METHOD(&HeatmapLayer::getHeatmapWeight, "nativeGetHeatmapWeight"),
+            METHOD(&HeatmapLayer::getHeatmapIntensityTransition, "nativeGetHeatmapIntensityTransition"),
+            METHOD(&HeatmapLayer::setHeatmapIntensityTransition, "nativeSetHeatmapIntensityTransition"),
+            METHOD(&HeatmapLayer::getHeatmapIntensity, "nativeGetHeatmapIntensity"),
+            METHOD(&HeatmapLayer::getHeatmapOpacityTransition, "nativeGetHeatmapOpacityTransition"),
+            METHOD(&HeatmapLayer::setHeatmapOpacityTransition, "nativeSetHeatmapOpacityTransition"),
+            METHOD(&HeatmapLayer::getHeatmapOpacity, "nativeGetHeatmapOpacity"));
+    }
+
+} // namespace android
+} // namespace mbgl
diff --git a/platform/android/src/style/layers/heatmap_layer.hpp b/platform/android/src/style/layers/heatmap_layer.hpp
new file mode 100644
index 0000000000..85f9f0292e
--- /dev/null
+++ b/platform/android/src/style/layers/heatmap_layer.hpp
@@ -0,0 +1,50 @@
+// This file is generated. Edit android/platform/scripts/generate-style-code.js, then run `make android-style-code`.
+
+#pragma once
+
+#include "layer.hpp"
+#include "../transition_options.hpp"
+#include <mbgl/style/layers/heatmap_layer.hpp>
+#include <jni/jni.hpp>
+
+namespace mbgl {
+namespace android {
+
+class HeatmapLayer : public Layer {
+public:
+
+    static constexpr auto Name() { return "com/mapbox/mapboxsdk/style/layers/HeatmapLayer"; };
+
+    static jni::Class<HeatmapLayer> javaClass;
+
+    static void registerNative(jni::JNIEnv&);
+
+    HeatmapLayer(jni::JNIEnv&, jni::String, jni::String);
+
+    HeatmapLayer(mbgl::Map&, mbgl::style::HeatmapLayer&);
+
+    HeatmapLayer(mbgl::Map&, std::unique_ptr<mbgl::style::HeatmapLayer>);
+
+    ~HeatmapLayer();
+
+    // Properties
+
+    jni::Object<jni::ObjectTag> getHeatmapRadius(jni::JNIEnv&);
+    void setHeatmapRadiusTransition(jni::JNIEnv&, jlong duration, jlong delay);
+    jni::Object<TransitionOptions> getHeatmapRadiusTransition(jni::JNIEnv&);
+
+    jni::Object<jni::ObjectTag> getHeatmapWeight(jni::JNIEnv&);
+
+    jni::Object<jni::ObjectTag> getHeatmapIntensity(jni::JNIEnv&);
+    void setHeatmapIntensityTransition(jni::JNIEnv&, jlong duration, jlong delay);
+    jni::Object<TransitionOptions> getHeatmapIntensityTransition(jni::JNIEnv&);
+
+    jni::Object<jni::ObjectTag> getHeatmapOpacity(jni::JNIEnv&);
+    void setHeatmapOpacityTransition(jni::JNIEnv&, jlong duration, jlong delay);
+    jni::Object<TransitionOptions> getHeatmapOpacityTransition(jni::JNIEnv&);
+    jni::jobject* createJavaPeer(jni::JNIEnv&);
+
+}; // class HeatmapLayer
+
+} // namespace android
+} // namespace mbgl
diff --git a/platform/android/src/style/layers/layer.cpp b/platform/android/src/style/layers/layer.cpp
index da1550bdb1..29530879a5 100644
--- a/platform/android/src/style/layers/layer.cpp
+++ b/platform/android/src/style/layers/layer.cpp
@@ -10,6 +10,7 @@
 #include <mbgl/style/layers/circle_layer.hpp>
 #include <mbgl/style/layers/fill_layer.hpp>
 #include <mbgl/style/layers/fill_extrusion_layer.hpp>
+#include <mbgl/style/layers/heatmap_layer.hpp>
 #include <mbgl/style/layers/hillshade_layer.hpp>
 #include <mbgl/style/layers/line_layer.hpp>
 #include <mbgl/style/layers/raster_layer.hpp>
diff --git a/platform/android/src/style/layers/layers.cpp b/platform/android/src/style/layers/layers.cpp
index 5d1d1bbcbf..5df689b45d 100644
--- a/platform/android/src/style/layers/layers.cpp
+++ b/platform/android/src/style/layers/layers.cpp
@@ -5,6 +5,7 @@
 #include <mbgl/style/layers/circle_layer.hpp>
 #include <mbgl/style/layers/fill_extrusion_layer.hpp>
 #include <mbgl/style/layers/fill_layer.hpp>
+#include <mbgl/style/layers/heatmap_layer.hpp>
 #include <mbgl/style/layers/hillshade_layer.hpp>
 #include <mbgl/style/layers/line_layer.hpp>
 #include <mbgl/style/layers/raster_layer.hpp>
@@ -16,6 +17,7 @@
 #include "custom_layer.hpp"
 #include "fill_extrusion_layer.hpp"
 #include "fill_layer.hpp"
+#include "heatmap_layer.hpp"
 #include "hillshade_layer.hpp"
 #include "line_layer.hpp"
 #include "raster_layer.hpp"
@@ -32,6 +34,7 @@ template <> struct PeerType<style::BackgroundLayer> { using Type = android::Back
 template <> struct PeerType<style::CircleLayer> { using Type = android::CircleLayer; };
 template <> struct PeerType<style::FillExtrusionLayer> { using Type = android::FillExtrusionLayer; };
 template <> struct PeerType<style::FillLayer> { using Type = android::FillLayer; };
+template <> struct PeerType<style::HeatmapLayer> { using Type = android::HeatmapLayer; };
 template <> struct PeerType<style::HillshadeLayer> { using Type = android::HillshadeLayer; };
 template <> struct PeerType<style::LineLayer> { using Type = android::LineLayer; };
 template <> struct PeerType<style::RasterLayer> { using Type = android::RasterLayer; };
@@ -95,6 +98,7 @@ void registerNativeLayers(jni::JNIEnv& env) {
     CustomLayer::registerNative(env);
     FillExtrusionLayer::registerNative(env);
     FillLayer::registerNative(env);
+    HeatmapLayer::registerNative(env);
     HillshadeLayer::registerNative(env);
     LineLayer::registerNative(env);
     RasterLayer::registerNative(env);
diff --git a/platform/android/src/style/sources/custom_geometry_source.cpp b/platform/android/src/style/sources/custom_geometry_source.cpp
index a60b962e45..b38405a3b1 100644
--- a/platform/android/src/style/sources/custom_geometry_source.cpp
+++ b/platform/android/src/style/sources/custom_geometry_source.cpp
@@ -18,7 +18,7 @@ namespace mbgl {
 namespace android {
 
     // This conversion is expected not to fail because it's used only in contexts where
-    // the value was originally a GeoJsonOptions object on the Java side. If it fails
+    // the value was originally a CustomGeometrySourceOptions object on the Java side. If it fails
     // to convert, it's a bug in our serialization or Java-side static typing.
     static style::CustomGeometrySource::Options convertCustomGeometrySourceOptions(jni::JNIEnv& env,
                                                                                    jni::Object<> options,