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_STACK_STACK_MODEL_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STACK_STACK_MODEL_H
18 
19 #include <memory>
20 #include <mutex>
21 #include <optional>
22 #include <string>
23 
24 #include "base/geometry/dimension.h"
25 #include "base/utils/macros.h"
26 #include "core/components/common/layout/align_declaration.h"
27 #include "core/components/common/layout/constants.h"
28 #include "core/components/common/properties/alignment.h"
29 
30 namespace OHOS::Ace {
31 
32 class ACE_FORCE_EXPORT StackModel {
33 public:
34     static StackModel* GetInstance();
35     virtual ~StackModel() = default;
36 
37     virtual void Create() = 0;
38     virtual void Create(Alignment align) = 0;
39     virtual void SetStackFit(StackFit fit) = 0;
40     virtual void SetOverflow(Overflow overflow) = 0;
41     virtual void SetAlignment(Alignment align) = 0;
42     virtual void SetHasHeight() = 0;
43     virtual void SetHasWidth() = 0;
44 
45 private:
46     static std::unique_ptr<StackModel> instance_;
47     static std::mutex mutex_;
48 };
49 
50 } // namespace OHOS::Ace
51 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_STACK_STACK_MODEL_H
52