1 /* 2 * Copyright (c) 2022-2023 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_LOADING_PROGRESS_LOADING_PROGRESS_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_LOADING_PROGRESS_LOADING_PROGRESS_PATTERN_H 18 19 #include "core/components_ng/pattern/loading_progress/loading_progress_layout_algorithm.h" 20 #include "core/components_ng/pattern/loading_progress/loading_progress_layout_property.h" 21 #include "core/components_ng/pattern/loading_progress/loading_progress_paint_method.h" 22 #include "core/components_ng/pattern/loading_progress/loading_progress_paint_property.h" 23 #include "core/components_ng/pattern/pattern.h" 24 #include "core/components_ng/property/property.h" 25 26 namespace OHOS::Ace::NG { 27 // ProgressPattern is the base class for text render node to perform paint progress. 28 class LoadingProgressPattern : public Pattern { 29 DECLARE_ACE_TYPE(LoadingProgressPattern, Pattern); 30 31 public: 32 LoadingProgressPattern() = default; 33 ~LoadingProgressPattern() override = default; 34 CreateNodePaintMethod()35 RefPtr<NodePaintMethod> CreateNodePaintMethod() override 36 { 37 if (!loadingProgressModifier_) { 38 auto host = GetHost(); 39 CHECK_NULL_RETURN(host, nullptr); 40 auto paintProperty = GetPaintProperty<LoadingProgressPaintProperty>(); 41 CHECK_NULL_RETURN(paintProperty, nullptr); 42 auto loadingOwner = 43 paintProperty->GetLoadingProgressOwner().value_or(LoadingProgressOwner::SELF); 44 loadingProgressModifier_ = AceType::MakeRefPtr<LoadingProgressModifier>(loadingOwner); 45 } 46 return MakeRefPtr<LoadingProgressPaintMethod>(loadingProgressModifier_); 47 } 48 CreateLayoutProperty()49 RefPtr<LayoutProperty> CreateLayoutProperty() override 50 { 51 return MakeRefPtr<LoadingProgressLayoutProperty>(); 52 } 53 CreateLayoutAlgorithm()54 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 55 { 56 return MakeRefPtr<LoadingProgressLayoutAlgorithm>(); 57 } 58 CreatePaintProperty()59 RefPtr<PaintProperty> CreatePaintProperty() override 60 { 61 return MakeRefPtr<LoadingProgressPaintProperty>(); 62 } 63 64 void OnVisibleChange(bool isVisible) override; 65 GetFocusPattern()66 FocusPattern GetFocusPattern() const override 67 { 68 return { FocusType::NODE, true }; 69 } 70 private: 71 void RegisterVisibleAreaChange(); 72 bool OnDirtyLayoutWrapperSwap(const RefPtr<LayoutWrapper>& dirty, bool skipMeasure, bool skipLayout) override; 73 void OnAttachToFrameNode() override; 74 void OnDetachFromFrameNode(FrameNode* frameNode) override; 75 void OnModifyDone() override; 76 void OnWindowHide() override; 77 void OnWindowShow() override; 78 void StartAnimation(); 79 void StopAnimation(); 80 81 bool hasVisibleChangeRegistered_ = false; 82 bool enableLoading_ = true; 83 bool isVisibleArea_ = false; 84 bool isVisible_ = true; 85 bool isShow_ = true; 86 RefPtr<LoadingProgressModifier> loadingProgressModifier_; 87 ACE_DISALLOW_COPY_AND_MOVE(LoadingProgressPattern); 88 }; 89 } // namespace OHOS::Ace::NG 90 91 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_LOADING_PROGRESS_LOADING_PROGRESS_PATTERN_H 92