local_ref<jstring> ReadableNativeMap::getStringKey(const std::string& key) {
const folly::dynamic& val = getMapValue(key);
if (val.isNull()) {
return local_ref<jstring>(nullptr);
}
return make_jstring(val.getString().c_str());
}
void throwNewJavaException(const char* throwableName, const char* msg) {
// If anything of the fbjni calls fail, an exception of a suitable
// form will be thrown, which is what we want.
auto throwableClass = findClassLocal(throwableName);
auto throwable = throwableClass->newObject(
throwableClass->getConstructor<jthrowable(jstring)>(),
make_jstring(msg).release());
throwNewJavaException(throwable.get());
}
local_ref<jstring> ReadableNativeMapKeySetIterator::nextKey() {
if (!hasNextKey()) {
throwNewJavaException("com/facebook/react/bridge/InvalidIteratorException",
"No such element exists");
}
auto ret = make_jstring(iter_->first.c_str());
++iter_;
return ret;
}
Size TextLayoutManager::measure(
AttributedString attributedString,
ParagraphAttributes paragraphAttributes,
LayoutConstraints layoutConstraints) const {
const jni::global_ref<jobject> &fabricUIManager =
contextContainer_->getInstance<jni::global_ref<jobject>>(
"FabricUIManager");
static auto measure =
jni::findClassStatic("com/facebook/react/fabric/FabricUIManager")
->getMethod<jlong(
jstring,
ReadableMap::javaobject,
ReadableMap::javaobject,
jint,
jint,
jint,
jint)>("measure");
auto minimumSize = layoutConstraints.minimumSize;
auto maximumSize = layoutConstraints.maximumSize;
int minWidth = (int)minimumSize.width;
int minHeight = (int)minimumSize.height;
int maxWidth = (int)maximumSize.width;
int maxHeight = (int)maximumSize.height;
local_ref<JString> componentName = make_jstring("RCTText");
local_ref<ReadableNativeMap::javaobject> attributedStringRNM =
ReadableNativeMap::newObjectCxxArgs(toDynamic(attributedString));
local_ref<ReadableNativeMap::javaobject> paragraphAttributesRNM =
ReadableNativeMap::newObjectCxxArgs(toDynamic(paragraphAttributes));
local_ref<ReadableMap::javaobject> attributedStringRM = make_local(
reinterpret_cast<ReadableMap::javaobject>(attributedStringRNM.get()));
local_ref<ReadableMap::javaobject> paragraphAttributesRM = make_local(
reinterpret_cast<ReadableMap::javaobject>(paragraphAttributesRNM.get()));
return yogaMeassureToSize(measure(
fabricUIManager,
componentName.get(),
attributedStringRM.get(),
paragraphAttributesRM.get(),
minWidth,
maxWidth,
minHeight,
maxHeight));
}
local_ref<jstring> NativeArray::toString() {
exceptions::throwIfObjectAlreadyConsumed(this, "Array already consumed");
return make_jstring(folly::toJson(array).c_str());
}
