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_FOCUSABLE_FOCUSABLE_ELEMENT_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_FOCUSABLE_FOCUSABLE_ELEMENT_H
18 
19 #include "core/components/box/box_component.h"
20 #include "core/focus/focus_node.h"
21 #include "core/pipeline/base/sole_child_element.h"
22 
23 namespace OHOS::Ace {
24 
25 class ACE_EXPORT FocusableElement final : public SoleChildElement, public FocusGroup {
26     DECLARE_ACE_TYPE(FocusableElement, SoleChildElement, FocusGroup);
27 
28 public:
29     void Update() override;
30 
31     bool RequestNextFocus(bool vertical, bool reverse, const Rect& rect) override;
32     bool IsChild() const override;
33     bool IsFocusable() const override;
34     bool OnKeyEvent(const KeyEvent& keyEvent) override;
35     bool AcceptFocusByRectOfLastFocus(const Rect& rect) override;
36 
37     void DumpFocusTree(int32_t depth) override;
38     void OnClick() override;
39     void OnFocus() override;
40     void OnBlur() override;
41     void HandleFocus() override;
42 
43     bool SetFocusOnTouchCallback();
44 
45 protected:
GetCachedRenderNode()46     RefPtr<RenderNode> GetCachedRenderNode() override
47     {
48         auto context = GetContext().Upgrade();
49         if (context) {
50             return context->GetRenderFactory()->GetRenderBoxFactory()->Get();
51         }
52         return nullptr;
53     }
IsDeleteDisabled()54     bool IsDeleteDisabled() override
55     {
56         return isDeleteDisabled_;
57     }
58 
59 private:
60     // Deprecated
61     RefPtr<BoxComponent> boxStyle_;
62     RefPtr<BoxComponent> focusedBoxStyle_;
63     bool isNode_{false};
64     bool isDeleteDisabled_{false};
65 };
66 
67 } // namespace OHOS::Ace
68 
69 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_FOCUSABLE_FOCUSABLE_ELEMENT_H
70