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#include "offline_manager.hpp"
#include <mbgl/util/string.hpp>
#include "../attach_env.hpp"
#include "../jni/generic_global_ref_deleter.hpp"
namespace mbgl {
namespace android {
// OfflineManager //
OfflineManager::OfflineManager(jni::JNIEnv& env, jni::Object<FileSource> jFileSource)
: fileSource(mbgl::android::FileSource::getDefaultFileSource(env, jFileSource)) {
}
OfflineManager::~OfflineManager() {}
void OfflineManager::setOfflineMapboxTileCountLimit(jni::JNIEnv&, jni::jlong limit) {
fileSource.setOfflineMapboxTileCountLimit(limit);
}
void OfflineManager::listOfflineRegions(jni::JNIEnv& env_, jni::Object<FileSource> jFileSource_, jni::Object<ListOfflineRegionsCallback> callback_) {
// list regions
fileSource.listOfflineRegions([
//Keep a shared ptr to a global reference of the callback and file source so they are not GC'd in the meanwhile
callback = std::shared_ptr<jni::jobject>(callback_.NewGlobalRef(env_).release().Get(), GenericGlobalRefDeleter()),
jFileSource = std::shared_ptr<jni::jobject>(jFileSource_.NewGlobalRef(env_).release().Get(), GenericGlobalRefDeleter())
](mbgl::expected<mbgl::OfflineRegions, std::exception_ptr> regions) mutable {
// Reattach, the callback comes from a different thread
android::UniqueEnv env = android::AttachEnv();
if (regions) {
OfflineManager::ListOfflineRegionsCallback::onList(
*env, jni::Object<FileSource>(*jFileSource),
jni::Object<ListOfflineRegionsCallback>(*callback), std::move(*regions));
} else {
OfflineManager::ListOfflineRegionsCallback::onError(
*env, jni::Object<ListOfflineRegionsCallback>(*callback), regions.error());
}
});
}
void OfflineManager::createOfflineRegion(jni::JNIEnv& env_,
jni::Object<FileSource> jFileSource_,
jni::Object<OfflineRegionDefinition> definition_,
jni::Array<jni::jbyte> metadata_,
jni::Object<CreateOfflineRegionCallback> callback_) {
// Convert
auto definition = OfflineRegionDefinition::getDefinition(env_, definition_);
mbgl::OfflineRegionMetadata metadata;
if (metadata_) {
metadata = OfflineRegion::metadata(env_, metadata_);
}
// Create region
fileSource.createOfflineRegion(definition, metadata, [
//Keep a shared ptr to a global reference of the callback and file source so they are not GC'd in the meanwhile
callback = std::shared_ptr<jni::jobject>(callback_.NewGlobalRef(env_).release().Get(), GenericGlobalRefDeleter()),
jFileSource = std::shared_ptr<jni::jobject>(jFileSource_.NewGlobalRef(env_).release().Get(), GenericGlobalRefDeleter())
](mbgl::expected<mbgl::OfflineRegion, std::exception_ptr> region) mutable {
// Reattach, the callback comes from a different thread
android::UniqueEnv env = android::AttachEnv();
if (region) {
OfflineManager::CreateOfflineRegionCallback::onCreate(
*env,
jni::Object<FileSource>(*jFileSource),
jni::Object<CreateOfflineRegionCallback>(*callback), std::move(*region)
);
} else {
OfflineManager::CreateOfflineRegionCallback::onError(*env, jni::Object<CreateOfflineRegionCallback>(*callback), region.error());
}
});
}
void OfflineManager::registerNative(jni::JNIEnv& env) {
jni::Class<ListOfflineRegionsCallback>::Singleton(env);
jni::Class<CreateOfflineRegionCallback>::Singleton(env);
static auto javaClass = jni::Class<OfflineManager>::Singleton(env);
#define METHOD(MethodPtr, name) jni::MakeNativePeerMethod<decltype(MethodPtr), (MethodPtr)>(name)
jni::RegisterNativePeer<OfflineManager>( env, javaClass, "nativePtr",
std::make_unique<OfflineManager, JNIEnv&, jni::Object<FileSource>>,
"initialize",
"finalize",
METHOD(&OfflineManager::setOfflineMapboxTileCountLimit, "setOfflineMapboxTileCountLimit"),
METHOD(&OfflineManager::listOfflineRegions, "listOfflineRegions"),
METHOD(&OfflineManager::createOfflineRegion, "createOfflineRegion"));
}
// OfflineManager::ListOfflineRegionsCallback //
void OfflineManager::ListOfflineRegionsCallback::onError(jni::JNIEnv& env,
jni::Object<OfflineManager::ListOfflineRegionsCallback> callback,
std::exception_ptr error) {
static auto javaClass = jni::Class<OfflineManager::ListOfflineRegionsCallback>::Singleton(env);
static auto method = javaClass.GetMethod<void (jni::String)>(env, "onError");
callback.Call(env, method,
*jni::SeizeLocal(env, jni::Make<jni::String>(env, mbgl::util::toString(error))));
}
void OfflineManager::ListOfflineRegionsCallback::onList(jni::JNIEnv& env,
jni::Object<FileSource> jFileSource,
jni::Object<OfflineManager::ListOfflineRegionsCallback> callback,
mbgl::optional<std::vector<mbgl::OfflineRegion>> regions) {
static auto javaClass = jni::Class<OfflineManager::ListOfflineRegionsCallback>::Singleton(env);
static auto method = javaClass.GetMethod<void (jni::Array<jni::Object<OfflineRegion>>)>(env, "onList");
std::size_t index = 0;
auto jregions = jni::SeizeLocal(env, jni::Array<jni::Object<OfflineRegion>>::New(env, regions->size()));
for (auto& region : *regions) {
jregions->Set(env, index, *jni::SeizeLocal(env, OfflineRegion::New(env, jFileSource, std::move(region))));
index++;
}
callback.Call(env, method, *jregions);
}
// OfflineManager::CreateOfflineRegionCallback //
void OfflineManager::CreateOfflineRegionCallback::onError(jni::JNIEnv& env,
jni::Object<OfflineManager::CreateOfflineRegionCallback> callback,
std::exception_ptr error) {
static auto javaClass = jni::Class<OfflineManager::CreateOfflineRegionCallback>::Singleton(env);
static auto method = javaClass.GetMethod<void (jni::String)>(env, "onError");
callback.Call(env, method,
*jni::SeizeLocal(env, jni::Make<jni::String>(env, mbgl::util::toString(error))));
}
void OfflineManager::CreateOfflineRegionCallback::onCreate(jni::JNIEnv& env,
jni::Object<FileSource> jFileSource,
jni::Object<OfflineManager::CreateOfflineRegionCallback> callback,
mbgl::optional<mbgl::OfflineRegion> region) {
static auto javaClass = jni::Class<OfflineManager::CreateOfflineRegionCallback>::Singleton(env);
static auto method = javaClass.GetMethod<void (jni::Object<OfflineRegion>)>(env, "onCreate");
callback.Call(env, method,
*jni::SeizeLocal(env, OfflineRegion::New(env, jFileSource, std::move(*region))));
}
} // namespace android
} // namespace mbgl
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