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 FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_V2_TABS__TAB_CONTENT_PROXY_ELEMENT_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_V2_TABS__TAB_CONTENT_PROXY_ELEMENT_H 18 19 #include <list> 20 #include <unordered_map> 21 22 #include "core/components/tab_bar/tab_content_element.h" 23 #include "core/components/tab_bar/tab_controller.h" 24 #include "core/components_v2/common/element_proxy.h" 25 #include "core/focus/focus_node.h" 26 27 namespace OHOS::Ace::V2 { 28 29 class TabContentProxyElement : public TabContentElement, private ElementProxyHost { 30 DECLARE_ACE_TYPE(TabContentProxyElement, TabContentElement); 31 32 public: TabContentProxyElement(const std::list<RefPtr<Component>> & contents)33 explicit TabContentProxyElement(const std::list<RefPtr<Component>>& contents) : TabContentElement(contents) {}; 34 ~TabContentProxyElement() override = default; 35 36 void PerformBuild() override; 37 void Update() override; 38 39 void ChangeByBar(int32_t index, bool isFromController = false) override; 40 void PrepareContent(int32_t index) override; 41 void UpdateIndex() override; 42 GetElementByIndex(size_t index)43 RefPtr<Element> GetElementByIndex(size_t index) 44 { 45 return ElementProxyHost::GetElementByIndex(index); 46 } 47 48 private: 49 RefPtr<Element> OnUpdateElement(const RefPtr<Element>& element, const RefPtr<Component>& component) override; 50 RefPtr<Component> OnMakeEmptyComponent() override; 51 void OnDataSourceUpdated(size_t startIndex) override; 52 53 RefPtr<FocusNode> GetChildFocusNode(const RefPtr<Element>& node); 54 }; 55 56 } // namespace OHOS::Ace::V2 57 58 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_V2_TABS__TAB_CONTENT_PROXY_ELEMENT_H 59