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_NAVIGATION_BAR_NAVIGATION_BAR_ELEMENT_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NAVIGATION_BAR_NAVIGATION_BAR_ELEMENT_H
18 
19 #include "core/components/navigation_bar/navigation_bar_component.h"
20 #include "core/focus/focus_node.h"
21 #include "core/pipeline/base/composed_element.h"
22 
23 namespace OHOS::Ace {
24 
25 class NavigationBarElement : public ComposedElement, public FocusGroup {
26     DECLARE_ACE_TYPE(NavigationBarElement, ComposedElement, FocusGroup);
27 
28 public:
NavigationBarElement(const ComposeId & id)29     explicit NavigationBarElement(const ComposeId& id) : ComposedElement(id) {}
30     ~NavigationBarElement() override = default;
31 
32     void PerformBuild() override;
33 
34 protected:
RequestNextFocus(bool vertical,bool reverse,const Rect & rect)35     bool RequestNextFocus(bool vertical, bool reverse, const Rect& rect) override
36     {
37         return false;
38     };
39 
OnFocus()40     void OnFocus() override
41     {
42         auto context = GetContext().Upgrade();
43         if (context) {
44             context->SetUseRootAnimation(true);
45         }
46         FocusGroup::OnFocus();
47     }
48 
OnBlur()49     void OnBlur() override
50     {
51         auto context = GetContext().Upgrade();
52         if (context) {
53             context->SetUseRootAnimation(false);
54         }
55         FocusGroup::OnBlur();
56     }
57 
58 private:
59 #ifndef WEARABLE_PRODUCT
60     EventMarker moreClickMarker_;
61     void BindMoreButtonClickEvent(const RefPtr<NavigationBarComponent>& navigationBar);
62     void BindClickEventToOptions(const RefPtr<NavigationBarComponent>& navigationBar);
63 #endif
64 
65     std::function<void(const std::string&)> menuSelectedEvent_;
66 };
67 
68 } // namespace OHOS::Ace
69 
70 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NAVIGATION_BAR_NAVIGATION_BAR_ELEMENT_H
71