1 /*
2  * Copyright (c) 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 OHOS_ABILITY_SLITE_ABILITY_SAVED_DATA_H
17 #define OHOS_ABILITY_SLITE_ABILITY_SAVED_DATA_H
18 
19 #include <cstdint>
20 
21 namespace OHOS {
22 namespace AbilitySlite {
23 enum class SavedResultCode : uint8_t {
24     SAVED_RESULT_OK = 0,
25     SAVED_RESULT_INVALID_PARAM,
26     SAVED_RESULT_EXCEED_UPPER_LIMIT,
27     SAVED_RESULT_ALLOC_ERROR,
28     SAVED_RESULT_NO_DATA,
29 };
30 
31 constexpr uint16_t SAVED_DATA_LIMIT = 1024;
32 
33 class AbilitySavedData {
34 public:
35     AbilitySavedData();
36 
37     ~AbilitySavedData();
38 
39     SavedResultCode SetSavedData(const void *buffer, uint16_t bufferSize);
40 
41     SavedResultCode SetUserSavedData(const void *buffer, uint16_t bufferSize);
42 
43     SavedResultCode GetSavedData(void *buffer, uint16_t bufferSize, uint16_t *getDataSize);
44 
45     SavedResultCode GetUserSavedData(void *buffer, uint16_t bufferSize, uint16_t *getDataSize);
46 
47     void SetSavedResultCode(SavedResultCode code);
48 
49     SavedResultCode GetSavedResultCode() const;
50 
51     void Reset();
52 
53 private:
54     void *savedData = nullptr;
55     void *userSavedData = nullptr;
56     uint16_t savedDataSize = 0;
57     uint16_t userSavedDataSize = 0;
58     SavedResultCode savedResult = SavedResultCode::SAVED_RESULT_NO_DATA;
59 };
60 } // namespace AbilitySlite
61 } // namespace OHOS
62 #endif // OHOS_ABILITY_SLITE_ABILITY_SAVED_DATA_H
63