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 27namespace OHOS { 28namespace DistributedHardware { 29const nlohmann::json ENABLE_LOW_LATENCY = { 30 {DH_TYPE, DHType::SCREEN}, 31 {LOW_LATENCY_ENABLE, true}, 32}; 33const nlohmann::json DISABLE_LOW_LATENCY = { 34 {DH_TYPE, DHType::SCREEN}, 35 {LOW_LATENCY_ENABLE, false}, 36}; 37class DScreenFwkKit { 38DECLARE_SINGLE_INSTANCE_BASE(DScreenFwkKit); 39public: 40 std::shared_ptr<DistributedHardwareFwkKit> GetDHFwkKit(); 41private: 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