1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_ENVIRONMENT_ENVIRONMENT_PROXY_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_ENVIRONMENT_ENVIRONMENT_PROXY_H
18 
19 #include <mutex>
20 
21 #include "base/utils/singleton.h"
22 #include "core/common/environment/environment_interface.h"
23 
24 namespace OHOS::Ace {
25 
26 class ACE_FORCE_EXPORT EnvironmentProxy : public EnvironmentInterface {
27 public:
28     static EnvironmentProxy* GetInstance();
29 
30     void SetDelegate(std::unique_ptr<EnvironmentInterface>&& delegate);
31     RefPtr<Environment> GetEnvironment(const RefPtr<TaskExecutor>& taskExecutor) const override;
32     EnvironmentProxy() = default;
33     ~EnvironmentProxy() override = default;
34 
35 private:
36     std::unique_ptr<EnvironmentInterface> delegate_;
37     static EnvironmentProxy* inst_;
38     static std::mutex mutex_;
39 };
40 
41 } // namespace OHOS::Ace
42 
43 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMMON_ENVIRONMENT_ENVIRONMENT_PROXY_H