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_SERIALIZATION_H 17 #define INPUT_EVENT_SERIALIZATION_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 Msdp { 26 namespace DeviceStatus { 27 namespace Cooperate { 28 class InputEventSerialization { 29 InputEventSerialization() = delete; 30 DISALLOW_COPY_AND_MOVE(InputEventSerialization); 31 32 public: 33 static int32_t KeyEventToNetPacket(const std::shared_ptr<MMI::KeyEvent> key, NetPacket &pkt); 34 static int32_t NetPacketToKeyEvent(NetPacket &pkt, std::shared_ptr<MMI::KeyEvent> key); 35 static int32_t SwitchEventToNetPacket(const std::shared_ptr<MMI::SwitchEvent> key, NetPacket &pkt); 36 static int32_t NetPacketToSwitchEvent(NetPacket &pkt, std::shared_ptr<MMI::SwitchEvent> key); 37 static int32_t Marshalling(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 38 static int32_t Unmarshalling(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 39 #ifdef OHOS_BUILD_ENABLE_SECURITY_PART 40 static int32_t MarshallingEnhanceData(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 41 static int32_t UnmarshallingEnhanceData(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 42 static int32_t MarshallingEnhanceData(std::shared_ptr<MMI::KeyEvent> event, NetPacket &pkt); 43 static int32_t UnmarshallingEnhanceData(NetPacket &pkt, std::shared_ptr<MMI::KeyEvent> event); 44 #endif // OHOS_BUILD_ENABLE_SECURITY_PART 45 private: 46 static int32_t SerializeInputEvent(std::shared_ptr<MMI::InputEvent> event, NetPacket &pkt); 47 static int32_t DeserializeInputEvent(NetPacket &pkt, std::shared_ptr<MMI::InputEvent> event); 48 static int32_t SerializeBaseInfo(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 49 static int32_t DeserializeBaseInfo(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 50 static int32_t SerializeAxes(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 51 static int32_t DeserializeAxes(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 52 static int32_t SerializePressedButtons(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 53 static int32_t DeserializePressedButtons(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 54 static int32_t SerializePointerItem(NetPacket &pkt, MMI::PointerEvent::PointerItem &item); 55 static int32_t DeserializePointerItem(NetPacket &pkt, MMI::PointerEvent::PointerItem &item); 56 static int32_t SerializePointers(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 57 static int32_t DeserializePointers(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 58 static int32_t SerializePressedKeys(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 59 static int32_t DeserializePressedKeys(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 60 static int32_t SerializeBuffer(std::shared_ptr<MMI::PointerEvent> event, NetPacket &pkt); 61 static int32_t DeserializeBuffer(NetPacket &pkt, std::shared_ptr<MMI::PointerEvent> event); 62 static void ReadFunctionKeys(NetPacket &pkt, std::shared_ptr<MMI::KeyEvent> key); 63 64 #ifdef OHOS_BUILD_ENABLE_SECURITY_PART 65 static constexpr uint32_t MAX_HMAC_SIZE = 160; 66 struct SecCompPointEvent { 67 double touchX; 68 double touchY; 69 uint64_t timeStamp; 70 }; 71 #endif // OHOS_BUILD_ENABLE_SECURITY_PART 72 }; 73 } // namespace Cooperate 74 } // namespace DeviceStatus 75 } // namespace Msdp 76 } // namespace OHOS 77 #endif // INPUT_EVENT_SERIALIZATION_H 78