mirror of
https://github.com/openharmony/ability_ability_runtime.git
synced 2026-08-25 12:23:20 -04:00
黄师伟
71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OHOS_ABILITY_RUNTIME_JS_UTILS_H
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#define OHOS_ABILITY_RUNTIME_JS_UTILS_H
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#include "native_engine/native_engine.h"
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#include "js_runtime.h"
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namespace OHOS {
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namespace AbilityRuntime {
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class HandleScope final {
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public:
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explicit HandleScope(JsRuntime& jsRuntime)
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{
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scopeManager_ = jsRuntime.GetNativeEngine().GetScopeManager();
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if (scopeManager_ != nullptr) {
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nativeScope_ = scopeManager_->OpenEscape();
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}
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}
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~HandleScope()
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{
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if (nativeScope_ != nullptr) {
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scopeManager_->CloseEscape(nativeScope_);
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nativeScope_ = nullptr;
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}
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scopeManager_ = nullptr;
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}
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HandleScope& Escape(NativeValue* value)
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{
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if (nativeScope_ != nullptr) {
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scopeManager_->Escape(nativeScope_, value);
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}
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return *this;
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}
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HandleScope(const HandleScope&) = delete;
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HandleScope(HandleScope&&) = delete;
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HandleScope& operator=(const HandleScope&) = delete;
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HandleScope& operator=(HandleScope&&) = delete;
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private:
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NativeScopeManager* scopeManager_ = nullptr;
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NativeScope* nativeScope_ = nullptr;
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};
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template<class T>
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inline T* ConvertNativeValueTo(NativeValue* value)
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{
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return (value != nullptr) ? static_cast<T*>(value->GetInterface(T::INTERFACE_ID)) : nullptr;
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}
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} // namespace AbilityRuntime
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} // namespace OHOS
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#endif // OHOS_ABILITY_RUNTIME_JS_UTILS_H
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