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 static int32_t MarshallingEnhanceData(std::shared_ptr<KeyEvent> event, NetPacket &pkt); 43 static int32_t UnmarshallingEnhanceData(NetPacket &pkt, std::shared_ptr<KeyEvent> event); 44 #endif // OHOS_BUILD_ENABLE_SECURITY_COMPONENT 45 private: 46 static int32_t SerializePointerItem(NetPacket &pkt, PointerEvent::PointerItem &item); 47 static int32_t DeserializePointerItem(NetPacket &pkt, PointerEvent::PointerItem &item); 48 static void SetAxisInfo(NetPacket &pkt, std::shared_ptr<PointerEvent> event); 49 static void ReadFunctionKeys(NetPacket &pkt, std::shared_ptr<KeyEvent> key); 50 static int32_t DeserializePointerIds(std::shared_ptr<PointerEvent> event, NetPacket &pkt); 51 static int32_t DeserializePressedButtons(std::shared_ptr<PointerEvent> event, NetPacket &pkt); 52 53 #ifdef OHOS_BUILD_ENABLE_SECURITY_COMPONENT 54 static constexpr uint32_t MAX_HMAC_SIZE = 64; 55 struct SecCompPointEvent { 56 double touchX; 57 double touchY; 58 uint64_t timeStamp; 59 }; 60 #endif // OHOS_BUILD_ENABLE_SECURITY_COMPONENT 61 }; 62 } // namespace MMI 63 } // namespace OHOS 64 #endif // INPUT_EVENT_DATA_TRANSFORMATION_H 65