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_CHECKABLE_CHECKABLE_ELEMENT_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_CHECKABLE_CHECKABLE_ELEMENT_H
18 
19 #include "core/pipeline/base/render_element.h"
20 
21 #include <list>
22 #include <unordered_map>
23 
24 namespace OHOS::Ace {
25 
26 class CheckableElement : public RenderElement, public FocusNode {
27     DECLARE_ACE_TYPE(CheckableElement, RenderElement, FocusNode);
28 
29 public:
30     CheckableElement() = default;
31     ~CheckableElement() override = default;
32 
33     void Update() override;
34     void OnClick() override;
35     void OnFocus() override;
36     void OnBlur() override;
37     bool OnKeyEvent(const KeyEvent& keyEvent) override;
38     void SetNewComponent(const RefPtr<Component>& newComponent) override;
39     void Deactivate() override;
40 
CanUpdate(const RefPtr<Component> & newComponent)41     bool CanUpdate(const RefPtr<Component>& newComponent) override
42     {
43         auto pipelineContext = context_.Upgrade();
44         if (pipelineContext && pipelineContext->GetIsDeclarative()) {
45             return Element::CanUpdate(newComponent);
46         }
47         return (newComponent == customComponent_) && Element::CanUpdate(newComponent);
48     }
49 
50 private:
51     WeakPtr<Component> customComponent_;
52 };
53 
54 } // namespace OHOS::Ace
55 
56 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_CHECKABLE_CHECKABLE_ELEMENT_H
57