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_FLEX_FLEX_ELEMENT_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_FLEX_FLEX_ELEMENT_H 18 19 #include "base/utils/macros.h" 20 #include "core/components/common/layout/constants.h" 21 #include "core/focus/focus_node.h" 22 #include "core/pipeline/base/component_group_element.h" 23 24 namespace OHOS::Ace { 25 26 class ACE_EXPORT FlexElement : public ComponentGroupElement, public FocusGroup { 27 DECLARE_ACE_TYPE(FlexElement, ComponentGroupElement, FocusGroup); 28 29 public: 30 void Update() override; 31 bool RequestNextFocus(bool vertical, bool reverse, const Rect& rect) override; 32 bool AcceptFocusByRectOfLastFocus(const Rect& rect) override; 33 34 protected: GetCachedRenderNode()35 virtual RefPtr<RenderNode> GetCachedRenderNode() override 36 { 37 auto context = GetContext().Upgrade(); 38 if (context) { 39 return context->GetRenderFactory()->GetRenderFlexFactory()->Get(); 40 } 41 return nullptr; 42 } 43 44 FlexDirection direction_ { FlexDirection::ROW }; 45 }; 46 47 class RowElement : public FlexElement { 48 DECLARE_ACE_TYPE(RowElement, FlexElement); 49 }; 50 51 class ColumnElement : public FlexElement { 52 DECLARE_ACE_TYPE(ColumnElement, FlexElement); 53 }; 54 55 } // namespace OHOS::Ace 56 57 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_FLEX_FLEX_ELEMENT_H 58