1 /* 2 * Copyright (c) 2024 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_NG_PATTERNS_OVERLAY_SHEET_WRAPPER_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_OVERLAY_SHEET_WRAPPER_PATTERN_H 18 19 #include "core/components_ng/pattern/navrouter/navdestination_pattern.h" 20 #include "core/components_ng/pattern/overlay/popup_base_pattern.h" 21 #include "core/components_ng/pattern/overlay/sheet_wrapper_layout_algorithm.h" 22 #include "core/components_ng/pattern/overlay/sheet_wrapper_paint_method.h" 23 24 namespace OHOS::Ace::NG { 25 class SheetWrapperPattern : virtual public PopupBasePattern { 26 DECLARE_ACE_TYPE(SheetWrapperPattern, PopupBasePattern); 27 28 public: 29 SheetWrapperPattern() = default; 30 ~SheetWrapperPattern() override = default; 31 GetFocusPattern()32 FocusPattern GetFocusPattern() const override 33 { 34 return { FocusType::SCOPE, true }; 35 } 36 CreateLayoutAlgorithm()37 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 38 { 39 return MakeRefPtr<SheetWrapperLayoutAlgorithm>(); 40 } 41 OnAttachToMainTree()42 void OnAttachToMainTree() override 43 { 44 auto host = GetHost(); 45 CHECK_NULL_VOID(host); 46 auto rootNode = AceType::DynamicCast<FrameNode>(host->GetParent()); 47 CHECK_NULL_VOID(rootNode); 48 if (rootNode->GetTag() != V2::NAVDESTINATION_VIEW_ETS_TAG) { 49 return; 50 } 51 auto wrapperRenderContext = host->GetRenderContext(); 52 CHECK_NULL_VOID(wrapperRenderContext); 53 auto navDestinationPattern = rootNode->GetPattern<NavDestinationPattern>(); 54 CHECK_NULL_VOID(navDestinationPattern); 55 auto zIndex = navDestinationPattern->GetTitlebarZIndex(); 56 57 // set the sheet to float on the NavDestination's titlebar when the sheet shows in NavDestination 58 wrapperRenderContext->UpdateZIndex(zIndex + 1); 59 } 60 CreateNodePaintMethod()61 RefPtr<NodePaintMethod> CreateNodePaintMethod() override 62 { 63 return MakeRefPtr<SheetWrapperPaintMethod>(); 64 } 65 66 protected: AvoidKeyboard()67 bool AvoidKeyboard() const override 68 { 69 return false; 70 } 71 AvoidBottom()72 bool AvoidBottom() const override 73 { 74 return false; 75 } 76 77 private: 78 79 ACE_DISALLOW_COPY_AND_MOVE(SheetWrapperPattern); 80 }; 81 } // namespace OHOS::Ace::NG 82 83 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_OVERLAY_SHEET_WRAPPER_PATTERN_H 84