1 /* 2 * Copyright (c) 2022 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 OHOS_FORM_FWK_FORM_ASHMEM_H 17 #define OHOS_FORM_FWK_FORM_ASHMEM_H 18 19 #include "ashmem.h" 20 21 namespace OHOS { 22 namespace AppExecFwk { 23 /** 24 * @class FormAshmem 25 * Defines form ashmem. 26 */ 27 class FormAshmem : public Parcelable { 28 public: 29 FormAshmem() = default; 30 ~FormAshmem(); 31 32 bool WriteToAshmem(std::string name, char *data, int32_t size); 33 int32_t GetAshmemSize(); 34 int32_t GetAshmemFd(); 35 36 virtual bool Marshalling(Parcel &parcel) const override; 37 static FormAshmem* Unmarshalling(Parcel &parcel); 38 private: 39 bool ReadFromParcel(Parcel &parcel); 40 41 sptr<Ashmem> ashmem_; 42 }; 43 } // namespace AppExecFwk 44 } // namespace OHOS 45 46 #endif // OHOS_FORM_FWK_FORM_ASHMEM_H 47