1 /* 2 * Copyright (c) 2023 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_MENU_MENU_PREVIEW_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_MENU_MENU_PREVIEW_PATTERN_H 18 19 #include "base/memory/ace_type.h" 20 #include "base/memory/referenced.h" 21 #include "base/utils/string_utils.h" 22 #include "base/utils/utils.h" 23 #include "core/components/common/properties/color.h" 24 #include "core/components_ng/pattern/linear_layout/linear_layout_pattern.h" 25 #include "core/components_ng/pattern/menu/preview/menu_preview_layout_algorithm.h" 26 #include "core/components_ng/pattern/pattern.h" 27 #include "core/components_v2/inspector/inspector_constants.h" 28 #include "core/pipeline_ng/ui_task_scheduler.h" 29 30 namespace OHOS::Ace::NG { 31 class MenuPreviewPattern : public LinearLayoutPattern { 32 DECLARE_ACE_TYPE(MenuPreviewPattern, Pattern); 33 34 public: MenuPreviewPattern()35 MenuPreviewPattern() : LinearLayoutPattern(true) {} 36 ~MenuPreviewPattern() override = default; 37 CreateLayoutAlgorithm()38 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 39 { 40 return MakeRefPtr<MenuPreviewLayoutAlgorithm>(); 41 } 42 SetFirstShow()43 void SetFirstShow() 44 { 45 isFirstShow_ = true; 46 } 47 48 RefPtr<FrameNode> GetMenuWrapper() const; 49 50 private: 51 void OnModifyDone() override; 52 bool OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper>& dirty, const DirtySwapConfig& config) override; 53 void InitPanEvent(const RefPtr<GestureEventHub>& gestureHub); 54 void HandleDragEnd(float offsetX, float offsetY, float velocity); 55 bool isFirstShow_ = false; 56 57 ACE_DISALLOW_COPY_AND_MOVE(MenuPreviewPattern); 58 }; 59 } // namespace OHOS::Ace::NG 60 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_MENU_MENU_PREVIEW_PATTERN_H 61