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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_ITEM_MODEL_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_ITEM_MODEL_H
18 
19 #include <memory>
20 #include <mutex>
21 #include <string>
22 
23 #include "base/utils/macros.h"
24 
25 namespace OHOS::Ace {
26 
27 class ACE_FORCE_EXPORT StepperItemModel {
28 public:
29     static StepperItemModel* GetInstance();
30     virtual ~StepperItemModel() = default;
31 
32     virtual void Create() = 0;
33     virtual void SetPrevLabel(const std::string& leftLabel) = 0;
34     virtual void SetNextLabel(const std::string& rightLabel) = 0;
35     virtual void SetStatus(const std::string& labelStatus) = 0;
ResetPrevLabel()36     virtual void ResetPrevLabel() {}
ResetNextLabel()37     virtual void ResetNextLabel() {}
38 
39 private:
40     static std::unique_ptr<StepperItemModel> instance_;
41     static std::mutex mutex_;
42 };
43 
44 } // namespace OHOS::Ace
45 
46 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STEPPER_STEPPER_ITEM_MODEL_H