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[core][android][darwin] Fix GeoJSONOptions handling

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- share the `GeoJSONOptions` instances using `Immutable<GeoJSONOptions>` - avoid extra copying
- fix wrapping of the `GeoJSONOptions` instances in supercluster map/reduce lambdas.
  Previously, local variables were wrapped by reference.
This commit is contained in:
Mikhail Pozdnyakov
2019-11-28 18:19:17 +02:00
parent e3d1daaf66
commit cd4136ed4b
12 changed files with 104 additions and 97 deletions
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72
platform/android/src/style/sources/geojson_source.cpp
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@@ -1,4 +1,5 @@
#include "geojson_source.hpp"
#include <mbgl/style/sources/geojson_source_impl.hpp>
#include "../../attach_env.hpp"
#include <mbgl/renderer/query.hpp>
@@ -29,44 +30,42 @@ 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
// to convert, it's a bug in our serialization or Java-side static typing.
static style::GeoJSONOptions convertGeoJSONOptions(jni::JNIEnv& env, const jni::Object<>& options) {
using namespace mbgl::style::conversion;
if (!options) {
return style::GeoJSONOptions();
}
Error error;
optional<style::GeoJSONOptions> result = convert<style::GeoJSONOptions>(
mbgl::android::Value(env, options), error);
if (!result) {
throw std::logic_error(error.message);
}
return *result;
static Immutable<style::GeoJSONOptions> convertGeoJSONOptions(jni::JNIEnv& env, const jni::Object<>& options) {
using namespace mbgl::style::conversion;
if (!options) {
return style::GeoJSONOptions::defaultOptions();
}
GeoJSONSource::GeoJSONSource(jni::JNIEnv& env, const jni::String& sourceId, const jni::Object<>& options)
: Source(env,
std::make_unique<mbgl::style::GeoJSONSource>(jni::Make<std::string>(env, sourceId),
convertGeoJSONOptions(env, options))),
converter(std::make_unique<Actor<FeatureConverter>>(Scheduler::GetBackground(),
source.as<style::GeoJSONSource>()->getOptions())) {}
GeoJSONSource::GeoJSONSource(jni::JNIEnv& env, mbgl::style::Source& coreSource, AndroidRendererFrontend& frontend)
: Source(env, coreSource, createJavaPeer(env), frontend),
converter(std::make_unique<Actor<FeatureConverter>>(Scheduler::GetBackground(),
source.as<style::GeoJSONSource>()->getOptions())) {}
GeoJSONSource::~GeoJSONSource() = default;
void GeoJSONSource::setGeoJSONString(jni::JNIEnv& env, const jni::String& jString) {
std::shared_ptr<std::string> json = std::make_shared<std::string>(jni::Make<std::string>(env, jString));
Update::Converter converterFn = [this, json](ActorRef<GeoJSONDataCallback> _callback) {
converter->self().invoke(&FeatureConverter::convertJson, json, _callback);
};
setAsync(converterFn);
Error error;
optional<style::GeoJSONOptions> result = convert<style::GeoJSONOptions>(mbgl::android::Value(env, options), error);
if (!result) {
throw std::logic_error(error.message);
}
return makeMutable<style::GeoJSONOptions>(std::move(*result));
}
GeoJSONSource::GeoJSONSource(jni::JNIEnv& env, const jni::String& sourceId, const jni::Object<>& options)
: Source(env,
std::make_unique<mbgl::style::GeoJSONSource>(jni::Make<std::string>(env, sourceId),
convertGeoJSONOptions(env, options))),
converter(std::make_unique<Actor<FeatureConverter>>(Scheduler::GetBackground(),
source.as<style::GeoJSONSource>()->impl().getOptions())) {}
GeoJSONSource::GeoJSONSource(jni::JNIEnv& env, mbgl::style::Source& coreSource, AndroidRendererFrontend& frontend)
: Source(env, coreSource, createJavaPeer(env), frontend),
converter(std::make_unique<Actor<FeatureConverter>>(Scheduler::GetBackground(),
source.as<style::GeoJSONSource>()->impl().getOptions())) {}
GeoJSONSource::~GeoJSONSource() = default;
void GeoJSONSource::setGeoJSONString(jni::JNIEnv& env, const jni::String& jString) {
std::shared_ptr<std::string> json = std::make_shared<std::string>(jni::Make<std::string>(env, jString));
Update::Converter converterFn = [this, json](ActorRef<GeoJSONDataCallback> _callback) {
converter->self().invoke(&FeatureConverter::convertJson, json, _callback);
};
setAsync(converterFn);
}
void GeoJSONSource::setFeatureCollection(jni::JNIEnv& env, const jni::Object<geojson::FeatureCollection>& jFeatures) {
setCollectionAsync(env, jFeatures);
@@ -237,6 +236,7 @@ namespace android {
mbgl::Log::Error(mbgl::Event::JNI, "Error setting geo json: " + error.message);
return;
}
callback.invoke(&GeoJSONDataCallback::operator(), style::GeoJSONData::create(*converted, options));
}

4
platform/android/src/style/sources/geojson_source.hpp
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@@ -15,7 +15,7 @@ using GeoJSONDataCallback = std::function<void(std::shared_ptr<style::GeoJSONDat
class FeatureConverter {
public:
explicit FeatureConverter(style::GeoJSONOptions options_) : options(std::move(options_)) {}
explicit FeatureConverter(Immutable<style::GeoJSONOptions> options_) : options(std::move(options_)) {}
void convertJson(std::shared_ptr<std::string>, ActorRef<GeoJSONDataCallback>);
template <class JNIType>
@@ -23,7 +23,7 @@ public:
ActorRef<GeoJSONDataCallback>);
private:
style::GeoJSONOptions options;
Immutable<style::GeoJSONOptions> options;
};
struct Update {

26
platform/darwin/src/MGLShapeSource.mm
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@@ -27,15 +27,15 @@ const MGLShapeSourceOption MGLShapeSourceOptionMinimumZoomLevel = @"MGLShapeSour
const MGLShapeSourceOption MGLShapeSourceOptionSimplificationTolerance = @"MGLShapeSourceOptionSimplificationTolerance";
const MGLShapeSourceOption MGLShapeSourceOptionLineDistanceMetrics = @"MGLShapeSourceOptionLineDistanceMetrics";
mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShapeSourceOption, id> *options) {
auto geoJSONOptions = mbgl::style::GeoJSONOptions();
mbgl::Immutable<mbgl::style::GeoJSONOptions> MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShapeSourceOption, id> *options) {
auto geoJSONOptions = mbgl::makeMutable<mbgl::style::GeoJSONOptions>();
if (NSNumber *value = options[MGLShapeSourceOptionMinimumZoomLevel]) {
if (![value isKindOfClass:[NSNumber class]]) {
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionMaximumZoomLevel must be an NSNumber."];
}
geoJSONOptions.minzoom = value.integerValue;
geoJSONOptions->minzoom = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionMaximumZoomLevel]) {
@@ -43,7 +43,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionMaximumZoomLevel must be an NSNumber."];
}
geoJSONOptions.maxzoom = value.integerValue;
geoJSONOptions->maxzoom = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionBuffer]) {
@@ -51,7 +51,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionBuffer must be an NSNumber."];
}
geoJSONOptions.buffer = value.integerValue;
geoJSONOptions->buffer = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionSimplificationTolerance]) {
@@ -59,7 +59,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionSimplificationTolerance must be an NSNumber."];
}
geoJSONOptions.tolerance = value.doubleValue;
geoJSONOptions->tolerance = value.doubleValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionClusterRadius]) {
@@ -67,7 +67,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionClusterRadius must be an NSNumber."];
}
geoJSONOptions.clusterRadius = value.integerValue;
geoJSONOptions->clusterRadius = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionMaximumZoomLevelForClustering]) {
@@ -75,7 +75,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionMaximumZoomLevelForClustering must be an NSNumber."];
}
geoJSONOptions.clusterMaxZoom = value.integerValue;
geoJSONOptions->clusterMaxZoom = value.integerValue;
}
if (NSNumber *value = options[MGLShapeSourceOptionClustered]) {
@@ -83,7 +83,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionClustered must be an NSNumber."];
}
geoJSONOptions.cluster = value.boolValue;
geoJSONOptions->cluster = value.boolValue;
}
if (NSDictionary *value = options[MGLShapeSourceOptionClusterProperties]) {
@@ -133,7 +133,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
std::string keyString = std::string([key UTF8String]);
geoJSONOptions.clusterProperties.emplace(keyString, std::make_pair(std::move(map), std::move(reduce)));
geoJSONOptions->clusterProperties.emplace(keyString, std::make_pair(std::move(map), std::move(reduce)));
}
}
@@ -142,7 +142,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
[NSException raise:NSInvalidArgumentException
format:@"MGLShapeSourceOptionLineDistanceMetrics must be an NSNumber."];
}
geoJSONOptions.lineMetrics = value.boolValue;
geoJSONOptions->lineMetrics = value.boolValue;
}
return geoJSONOptions;
@@ -159,7 +159,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
- (instancetype)initWithIdentifier:(NSString *)identifier URL:(NSURL *)url options:(NSDictionary<NSString *, id> *)options {
auto geoJSONOptions = MGLGeoJSONOptionsFromDictionary(options);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, geoJSONOptions);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, std::move(geoJSONOptions));
if (self = [super initWithPendingSource:std::move(source)]) {
self.URL = url;
}
@@ -168,7 +168,7 @@ mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShap
- (instancetype)initWithIdentifier:(NSString *)identifier shape:(nullable MGLShape *)shape options:(NSDictionary<MGLShapeSourceOption, id> *)options {
auto geoJSONOptions = MGLGeoJSONOptionsFromDictionary(options);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, geoJSONOptions);
auto source = std::make_unique<mbgl::style::GeoJSONSource>(identifier.UTF8String, std::move(geoJSONOptions));
if (self = [super initWithPendingSource:std::move(source)]) {
if ([shape isMemberOfClass:[MGLShapeCollection class]]) {
static dispatch_once_t onceToken;

4
platform/darwin/src/MGLShapeSource_Private.h
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@@ -1,6 +1,8 @@
#import "MGLFoundation.h"
#import "MGLShapeSource.h"
#include <mbgl/util/immutable.hpp>
NS_ASSUME_NONNULL_BEGIN
namespace mbgl {
@@ -10,7 +12,7 @@ namespace mbgl {
}
MGL_EXPORT
mbgl::style::GeoJSONOptions MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShapeSourceOption, id> *options);
mbgl::Immutable<mbgl::style::GeoJSONOptions> MGLGeoJSONOptionsFromDictionary(NSDictionary<MGLShapeSourceOption, id> *options);
@interface MGLShapeSource (Private)

16
platform/darwin/test/MGLShapeSourceTests.mm
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@@ -26,14 +26,14 @@
MGLShapeSourceOptionLineDistanceMetrics: @YES};
auto mbglOptions = MGLGeoJSONOptionsFromDictionary(options);
XCTAssertTrue(mbglOptions.cluster);
XCTAssertEqual(mbglOptions.clusterRadius, 42);
XCTAssertEqual(mbglOptions.clusterMaxZoom, 98);
XCTAssertEqual(mbglOptions.maxzoom, 99);
XCTAssertEqual(mbglOptions.buffer, 1976);
XCTAssertEqual(mbglOptions.tolerance, 0.42);
XCTAssertTrue(mbglOptions.lineMetrics);
XCTAssertTrue(!mbglOptions.clusterProperties.empty());
XCTAssertTrue(mbglOptions->cluster);
XCTAssertEqual(mbglOptions->clusterRadius, 42);
XCTAssertEqual(mbglOptions->clusterMaxZoom, 98);
XCTAssertEqual(mbglOptions->maxzoom, 99);
XCTAssertEqual(mbglOptions->buffer, 1976);
XCTAssertEqual(mbglOptions->tolerance, 0.42);
XCTAssertTrue(mbglOptions->lineMetrics);
XCTAssertTrue(!mbglOptions->clusterProperties.empty());
options = @{MGLShapeSourceOptionClustered: @"number 1"};
XCTAssertThrows(MGLGeoJSONOptionsFromDictionary(options));