1 /*
2  * Copyright (c) 2022 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 OHOS_DSCREEN_FWKKIT_H
17 #define OHOS_DSCREEN_FWKKIT_H
18 
19 #include <mutex>
20 
21 #include "constants.h"
22 #include "device_type.h"
23 #include "distributed_hardware_fwk_kit.h"
24 #include "nlohmann/json.hpp"
25 #include "single_instance.h"
26 
27 namespace OHOS {
28 namespace DistributedHardware {
29 const nlohmann::json ENABLE_LOW_LATENCY = {
30     {DH_TYPE, DHType::SCREEN},
31     {LOW_LATENCY_ENABLE, true},
32 };
33 const nlohmann::json DISABLE_LOW_LATENCY = {
34     {DH_TYPE, DHType::SCREEN},
35     {LOW_LATENCY_ENABLE, false},
36 };
37 class DScreenFwkKit {
38 DECLARE_SINGLE_INSTANCE_BASE(DScreenFwkKit);
39 public:
40     std::shared_ptr<DistributedHardwareFwkKit> GetDHFwkKit();
41 private:
42     DScreenFwkKit() = default;
43     ~DScreenFwkKit() = default;
44     std::shared_ptr<DistributedHardwareFwkKit> dhfwkKit_ = nullptr;
45     std::mutex kitMtx_;
46 };
47 } // namespace DistributedHardware
48 } // namespace OHOS
49 #endif