ace_napi/native_engine/impl/ark/ark_native_reference.cpp

/*
 * Copyright (c) 2021 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "ark_native_engine.h"

#include "ark_native_reference.h"

#include "utils/log.h"

ArkNativeReference::ArkNativeReference(ArkNativeEngine* engine, NativeValue* value, uint32_t initialRefcount)
    : engine_(engine),
      value_(*value),
      refCount_(initialRefcount)
{
}

ArkNativeReference::~ArkNativeReference()
{
    // Addr of Global stored in ArkNativeReference should be released.
    value_.FreeGlobalHandleAddr();
}

uint32_t ArkNativeReference::Ref()
{
    return ++refCount_;
}

uint32_t ArkNativeReference::Unref()
{
    if (refCount_ > 0) {
        --refCount_;
    }
    return refCount_;
}

NativeValue* ArkNativeReference::Get()
{
    auto vm = engine_->GetEcmaVm();
    LocalScope scope(vm);
    Local<JSValueRef> value = value_.ToLocal(vm);
    return ArkNativeEngine::ArkValueToNativeValue(engine_, value);
}

ArkNativeReference::operator NativeValue*()
{
    return Get();
}