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 ACCESSIBILITY_SINGLETON_H
17 #define ACCESSIBILITY_SINGLETON_H
18 
19 namespace OHOS {
20 namespace Accessibility {
21 #define ACCESSIBILITY_DECLARE_SINGLETON(MyClass)    \
22 public:                                             \
23     static MyClass& GetInstance();                  \
24 private:                                            \
25     MyClass& operator=(const MyClass&) = delete;    \
26     MyClass(const MyClass&) = delete;               \
27     MyClass();                                      \
28     ~MyClass();                                     \
29     static MyClass instance_;
30 
31 #define ACCESSIBILITY_DEFINE_SINGLETON(MyClass)     \
32 MyClass MyClass::instance_;                         \
33 MyClass& MyClass::GetInstance()                     \
34 {                                                   \
35     return instance_;                               \
36 }
37 } // namespace Accessibility
38 } // namespace OHOS
39 #endif // ACCESSIBILITY_SINGLETON_H