1 /* 2 * Copyright (c) 2025 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 TOUCHPAD_CONTROL_DISPLAY_GAIN 17 #define TOUCHPAD_CONTROL_DISPLAY_GAIN 18 19 #include "parcel.h" 20 21 namespace OHOS { 22 namespace MMI { 23 struct TouchpadCDG : public Parcelable { 24 double ppi; 25 double size; 26 int32_t speed; 27 float zOrder; 28 int32_t frequency; 29 MarshallingTouchpadCDG30 bool Marshalling(Parcel &parcel) const 31 { 32 if (!parcel.WriteDouble(ppi)) { 33 return false; 34 } 35 if (!parcel.WriteDouble(size)) { 36 return false; 37 } 38 if (!parcel.WriteInt32(speed)) { 39 return false; 40 } 41 if (!parcel.WriteInt32(frequency)) { 42 return false; 43 } 44 return true; 45 }; 46 ReadFromParcelTouchpadCDG47 bool ReadFromParcel(Parcel &parcel) 48 { 49 return ( 50 parcel.ReadDouble(ppi) && 51 parcel.ReadDouble(size) && 52 parcel.ReadInt32(speed) && 53 parcel.ReadInt32(frequency) 54 ); 55 } 56 UnmarshallingTouchpadCDG57 static TouchpadCDG* Unmarshalling(Parcel &parcel) 58 { 59 auto obj = new (std::nothrow) TouchpadCDG(); 60 if (obj && !obj->ReadFromParcel(parcel)) { 61 delete obj; 62 obj = nullptr; 63 } 64 return obj; 65 }; 66 }; 67 } // namespace MMI 68 } // namespace OHOS 69 #endif // TOUCHPAD_CONTROL_DISPLAY_GAIN