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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())
](std::exception_ptr error, mbgl::optional<std::vector<mbgl::OfflineRegion>> regions) mutable {
// Reattach, the callback comes from a different thread
android::UniqueEnv env = android::AttachEnv();
if (error) {
OfflineManager::ListOfflineRegionsCallback::onError(*env, jni::Object<ListOfflineRegionsCallback>(*callback), error);
} else if (regions) {
OfflineManager::ListOfflineRegionsCallback::onList(*env, jni::Object<FileSource>(*jFileSource), jni::Object<ListOfflineRegionsCallback>(*callback), std::move(regions));
}
});
}
void OfflineManager::createOfflineRegion(jni::JNIEnv& env_,
jni::Object<FileSource> jFileSource_,
jni::Object<OfflineRegionDefinition> definition_,
jni::Array<jni::jbyte> metadata_,
jni::Object<CreateOfflineRegionCallback> callback_) {
// Convert
// XXX hardcoded cast for now as we only support OfflineTilePyramidRegionDefinition
auto definition = OfflineTilePyramidRegionDefinition::getDefinition(env_, jni::Object<OfflineTilePyramidRegionDefinition>(*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())
](std::exception_ptr error, mbgl::optional<mbgl::OfflineRegion> region) mutable {
// Reattach, the callback comes from a different thread
android::UniqueEnv env = android::AttachEnv();
if (error) {
OfflineManager::CreateOfflineRegionCallback::onError(*env, jni::Object<CreateOfflineRegionCallback>(*callback), error);
} else if (region) {
OfflineManager::CreateOfflineRegionCallback::onCreate(
*env,
jni::Object<FileSource>(*jFileSource),
jni::Object<CreateOfflineRegionCallback>(*callback), std::move(region)
);
}
});
}
jni::Class<OfflineManager> OfflineManager::javaClass;
void OfflineManager::registerNative(jni::JNIEnv& env) {
OfflineManager::ListOfflineRegionsCallback::registerNative(env);
OfflineManager::CreateOfflineRegionCallback::registerNative(env);
javaClass = *jni::Class<OfflineManager>::Find(env).NewGlobalRef(env).release();
#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 method = javaClass.GetMethod<void (jni::String)>(env, "onError");
std::string message = mbgl::util::toString(error);
callback.Call(env, method, jni::Make<jni::String>(env, message));
}
void OfflineManager::ListOfflineRegionsCallback::onList(jni::JNIEnv& env,
jni::Object<FileSource> jFileSource,
jni::Object<OfflineManager::ListOfflineRegionsCallback> callback,
mbgl::optional<std::vector<mbgl::OfflineRegion>> regions) {
//Convert the regions to java peer objects
std::size_t index = 0;
auto jregions = jni::Array<jni::Object<OfflineRegion>>::New(env, regions->size(), OfflineRegion::javaClass);
for (auto& region : *regions) {
auto jregion = OfflineRegion::New(env, jFileSource, std::move(region));
jregions.Set(env, index, jregion);
jni::DeleteLocalRef(env, jregion);
index++;
}
// Trigger callback
static auto method = javaClass.GetMethod<void (jni::Array<jni::Object<OfflineRegion>>)>(env, "onList");
callback.Call(env, method, jregions);
jni::DeleteLocalRef(env, jregions);
}
jni::Class<OfflineManager::ListOfflineRegionsCallback> OfflineManager::ListOfflineRegionsCallback::javaClass;
void OfflineManager::ListOfflineRegionsCallback::registerNative(jni::JNIEnv& env) {
javaClass = *jni::Class<OfflineManager::ListOfflineRegionsCallback>::Find(env).NewGlobalRef(env).release();
}
// OfflineManager::CreateOfflineRegionCallback //
void OfflineManager::CreateOfflineRegionCallback::onError(jni::JNIEnv& env,
jni::Object<OfflineManager::CreateOfflineRegionCallback> callback,
std::exception_ptr error) {
static auto method = javaClass.GetMethod<void (jni::String)>(env, "onError");
std::string message = mbgl::util::toString(error);
callback.Call(env, method, jni::Make<jni::String>(env, message));
}
void OfflineManager::CreateOfflineRegionCallback::onCreate(jni::JNIEnv& env,
jni::Object<FileSource> jFileSource,
jni::Object<OfflineManager::CreateOfflineRegionCallback> callback,
mbgl::optional<mbgl::OfflineRegion> region) {
//Convert the region to java peer object
auto jregion = OfflineRegion::New(env, jFileSource, std::move(*region));
// Trigger callback
static auto method = javaClass.GetMethod<void (jni::Object<OfflineRegion>)>(env, "onCreate");
callback.Call(env, method, jregion);
jni::DeleteLocalRef(env, jregion);
}
jni::Class<OfflineManager::CreateOfflineRegionCallback> OfflineManager::CreateOfflineRegionCallback::javaClass;
void OfflineManager::CreateOfflineRegionCallback::registerNative(jni::JNIEnv& env) {
javaClass = *jni::Class<OfflineManager::CreateOfflineRegionCallback>::Find(env).NewGlobalRef(env).release();
}
} // namespace android
} // namespace mbgl
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