1 /* 2 * Copyright (c) 2021-2022 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_TAB_BAR_TAB_CONTENT_ELEMENT_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_TAB_BAR_TAB_CONTENT_ELEMENT_H 18 19 #include <list> 20 #include <unordered_map> 21 22 #include "core/components/tab_bar/tab_controller.h" 23 #include "core/focus/focus_node.h" 24 #include "core/pipeline/base/component_group_element.h" 25 26 namespace OHOS::Ace { 27 28 class TabContentElement : public ComponentGroupElement, public FocusGroup { 29 DECLARE_ACE_TYPE(TabContentElement, ComponentGroupElement, FocusGroup); 30 31 public: 32 explicit TabContentElement(const std::list<RefPtr<Component>>& contents); 33 ~TabContentElement() override = default; 34 35 void PerformBuild() override; 36 void Update() override; 37 void ChangeByContent(int32_t index); 38 virtual void ChangeByBar(int32_t index, bool isFromController = false); 39 virtual void PrepareContent(int32_t index); 40 void IndicatorByContent(double percent, int32_t newIndex, bool needChange); 41 void ChangeDispatch(int32_t index); 42 RefPtr<Element> GetTabContentChild(int32_t index) const; 43 44 void OnFocus() override; 45 bool RequestNextFocus(bool vertical, bool reverse, const Rect& rect) override; 46 bool IsFocusable() const override; 47 GetTabController()48 RefPtr<TabController> GetTabController() const 49 { 50 return controller_; 51 } 52 53 protected: 54 RefPtr<RenderNode> CreateRenderNode() override; 55 void UpdateLastFocusNode(); 56 RefPtr<FocusNode> GetCurrentFocusNode() const; 57 58 std::list<RefPtr<Component>> contents_; 59 std::unordered_map<int32_t, RefPtr<Element>> childMap_; 60 std::unordered_map<int32_t, RefPtr<FocusNode>> focusChildMap_; 61 std::unordered_set<int32_t> focusIndexMap_; 62 RefPtr<TabController> controller_; 63 64 // new content index, requested by tab bar 65 int32_t newBarIndex_ = -1; 66 // new content index, requested by drag 67 int32_t newIndex_ = -1; 68 int32_t lastIndex_ = -1; 69 bool fromController_ = false; 70 bool newComponentBuild_ = false; 71 }; 72 73 } // namespace OHOS::Ace 74 75 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_TAB_BAR_TAB_CONTENT_ELEMENT_H 76