1 /* 2 * Copyright (c) 2021-2023 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 INPUT_EVENT_DATA_TRANSFORMATION_H 17 #define INPUT_EVENT_DATA_TRANSFORMATION_H 18 19 #include "key_event.h" 20 #include "net_packet.h" 21 #include "pointer_event.h" 22 #include "switch_event.h" 23 24 namespace OHOS { 25 namespace MMI { 26 class InputEventDataTransformation { 27 InputEventDataTransformation() = delete; 28 DISALLOW_COPY_AND_MOVE(InputEventDataTransformation); 29 30 public: 31 static int32_t KeyEventToNetPacket(const std::shared_ptr<KeyEvent> key, NetPacket &pkt); 32 static int32_t NetPacketToKeyEvent(NetPacket &pkt, std::shared_ptr<KeyEvent> key); 33 static int32_t SwitchEventToNetPacket(const std::shared_ptr<SwitchEvent> key, NetPacket &pkt); 34 static int32_t NetPacketToSwitchEvent(NetPacket &pkt, std::shared_ptr<SwitchEvent> key); 35 static int32_t SerializeInputEvent(std::shared_ptr<InputEvent> event, NetPacket &pkt); 36 static int32_t DeserializeInputEvent(NetPacket &pkt, std::shared_ptr<InputEvent> event); 37 static int32_t Marshalling(std::shared_ptr<PointerEvent> event, NetPacket &pkt); 38 static int32_t Unmarshalling(NetPacket &pkt, std::shared_ptr<PointerEvent> event); 39 #ifdef OHOS_BUILD_ENABLE_SECURITY_COMPONENT 40 static int32_t MarshallingEnhanceData(std::shared_ptr<PointerEvent> event, NetPacket &pkt); 41 static int32_t UnmarshallingEnhanceData(NetPacket &pkt, std::shared_ptr<PointerEvent> event); 42 #endif // OHOS_BUILD_ENABLE_SECURITY_COMPONENT 43 private: 44 static int32_t SerializePointerItem(NetPacket &pkt, PointerEvent::PointerItem &item); 45 static int32_t DeserializePointerItem(NetPacket &pkt, PointerEvent::PointerItem &item); 46 static void SetAxisInfo(NetPacket &pkt, std::shared_ptr<PointerEvent> event); 47 static void ReadFunctionKeys(NetPacket &pkt, std::shared_ptr<KeyEvent> key); 48 static int32_t DeserializePointerIds(std::shared_ptr<PointerEvent> event, NetPacket &pkt); 49 static int32_t DeserializePressedButtons(std::shared_ptr<PointerEvent> event, NetPacket &pkt); 50 51 #ifdef OHOS_BUILD_ENABLE_SECURITY_COMPONENT 52 static constexpr uint32_t MAX_HMAC_SIZE = 64; 53 struct SecCompPointEvent { 54 double touchX; 55 double touchY; 56 uint64_t timeStamp; 57 }; 58 #endif // OHOS_BUILD_ENABLE_SECURITY_COMPONENT 59 }; 60 } // namespace MMI 61 } // namespace OHOS 62 #endif // INPUT_EVENT_DATA_TRANSFORMATION_H 63