1 /* 2 * Copyright (c) 2023 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 DEFAULT_VIBRATOR_DECODER_H 17 #define DEFAULT_VIBRATOR_DECODER_H 18 19 #include <cstdint> 20 #include <vector> 21 22 #include "i_vibrator_decoder.h" 23 #include "json_parser.h" 24 25 namespace OHOS { 26 namespace Sensors { 27 class DefaultVibratorDecoder : public IVibratorDecoder { 28 public: 29 DefaultVibratorDecoder() = default; 30 ~DefaultVibratorDecoder() = default; 31 int32_t DecodeEffect(const RawFileDescriptor &rawFd, const JsonParser &parser, 32 VibratePackage &patternPackage) override; 33 34 private: 35 int32_t CheckMetadata(const JsonParser &parser); 36 int32_t ParseChannel(const JsonParser &parser, VibratePattern &originPattern, VibratePackage &patternPackage); 37 int32_t ParseChannelParameters(const JsonParser &parser, cJSON *channelParametersItem); 38 int32_t ParsePattern(const JsonParser &parser, cJSON *patternItem, VibratePattern &originPattern); 39 int32_t ParseEvent(const JsonParser &parser, cJSON *eveventItement, VibrateEvent &events); 40 bool CheckEventParameters(const VibrateEvent &event); 41 int32_t ParseCurve(const JsonParser &parser, cJSON *curveItem, VibrateEvent &event); 42 void PatternSplit(VibratePattern &originPattern, VibratePackage &patternPackage); 43 int32_t channelNumber_ = 0; 44 double version_ = 0.0; 45 }; 46 } // namespace Sensors 47 } // namespace OHOS 48 #endif // VIBRATOR_DECODER_H