1 /*
2  * Copyright (c) 2021 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_DECLARATION_COMMON_CONTROLLERS_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_DECLARATION_COMMON_CONTROLLERS_H
18 
19 #include <functional>
20 
21 #include "base/memory/ace_type.h"
22 
23 namespace OHOS::Ace {
24 
25 using RequestFocusImpl = std::function<void(bool)>;
26 
27 class FocusableController : public virtual AceType {
28     DECLARE_ACE_TYPE(FocusableController, AceType);
29 
30 public:
RequestFocus(bool flag)31     void RequestFocus(bool flag) const
32     {
33         if (requestFocusImpl_) {
34             requestFocusImpl_(flag);
35         }
36     }
37 
SetRequestFocusImpl(const RequestFocusImpl & requestFocusImpl)38     void SetRequestFocusImpl(const RequestFocusImpl& requestFocusImpl)
39     {
40         requestFocusImpl_ = requestFocusImpl;
41     }
42 
43 private:
44     RequestFocusImpl requestFocusImpl_;
45 };
46 
47 } // namespace OHOS::Ace
48 
49 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_DECLARATION_COMMON_CONTROLLERS_H
50