GlobalRef& GlobalRef::operator=(GlobalRef& other) {
if (&other != this) {
// Increment the new reference before decrementing the old.
auto oldJVM = m_javaVM;
auto oldObject = m_object;
m_javaVM = other.m_javaVM;
m_object = getEnvFromJavaVM(m_javaVM)->NewGlobalRef(other.m_object);
getEnvFromJavaVM(oldJVM)->DeleteGlobalRef(oldObject);
}
return *this;
}
DuktapeContext::DuktapeContext(JavaVM* javaVM)
: m_context(duk_create_heap(nullptr, nullptr, nullptr, nullptr, fatalErrorHandler))
, m_objectType(m_javaValues.getObjectType(getEnvFromJavaVM(javaVM))) {
if (!m_context) {
throw std::bad_alloc();
}
// Stash the JVM object in the context, so we can find our way back from a Duktape C callback.
duk_push_global_stash(m_context);
duk_push_pointer(m_context, javaVM);
duk_put_prop_string(m_context, -2, JAVA_VM_PROP_NAME);
duk_pop(m_context);
}
JNIEnv* GlobalRef::getJniEnv() const {
return getEnvFromJavaVM(m_javaVM);
}
GlobalRef::~GlobalRef() {
getEnvFromJavaVM(m_javaVM)->DeleteGlobalRef(m_object);
}
GlobalRef::GlobalRef(const GlobalRef& other)
: m_javaVM(other.m_javaVM)
, m_object(getEnvFromJavaVM(m_javaVM)->NewGlobalRef(other.m_object)) {
}
