1 /*
2  * Copyright (c) 2020 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_SLICE_STACK_H
17 #define OHOS_ABILITY_SLICE_STACK_H
18 
19 #include <list>
20 
21 #include "nocopyable.h"
22 
23 namespace OHOS {
24 class AbilitySlice;
25 
26 class AbilitySliceStack : public NoCopyable {
27 public:
28     AbilitySliceStack() = default;
29     ~AbilitySliceStack() override;
30 
31     bool IsEmpty() const;
32     int Size() const;
33     bool Exist(const AbilitySlice *slice) const;
34     void Remove(AbilitySlice *slice);
35     const AbilitySlice *Top() const;
36     AbilitySlice *Pop();
37     void Push(AbilitySlice *slice);
38     std::list<AbilitySlice *> GetAllSlices() const;
39     void Clear();
40 
41 private:
42     std::list<AbilitySlice *> slices_ {};
43 };
44 }
45 
46 #endif // OHOS_ABILITY_SLICE_STACK_H
47