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 protected: GetCachedRenderNode()44 virtual RefPtr<RenderNode> GetCachedRenderNode() override 45 { 46 auto context = GetContext().Upgrade(); 47 if (context) { 48 return context->GetRenderFactory()->GetRenderBoxFactory()->Get(); 49 } 50 return nullptr; 51 } IsDeleteDisabled()52 bool IsDeleteDisabled() override 53 { 54 return isDeleteDisabled_; 55 } 56 57 private: 58 // Deprecated 59 RefPtr<BoxComponent> boxStyle_; 60 RefPtr<BoxComponent> focusedBoxStyle_; 61 bool isNode_{false}; 62 bool isDeleteDisabled_{false}; 63 }; 64 65 } // namespace OHOS::Ace 66 67 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_FOCUSABLE_FOCUSABLE_ELEMENT_H 68