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 #ifndef OHOS_FORM_FWK_SCOPE_GUARD_H
16 #define OHOS_FORM_FWK_SCOPE_GUARD_H
17 
18 #include <string>
19 
20 namespace OHOS {
21 namespace AppExecFwk {
22 class ScopeGuard final {
23 public:
24     using Function = std::function<void()>;
ScopeGuard(Function func)25     explicit ScopeGuard(Function func) : func_(func), dismissed_(false)
26     {}
27 
~ScopeGuard()28     ~ScopeGuard()
29     {
30         if (!dismissed_) {
31             func_();
32         }
33     }
34 
Dismiss()35     void Dismiss()
36     {
37         dismissed_ = true;
38     }
39 
40 private:
41     Function func_;
42     bool dismissed_ = false;
43 };
44 }
45 }
46 #endif // OHOS_FORM_FWK_SCOPE_GUARD_H