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_RENDER_NODE_RENDER_NODE_PATTERN_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_RENDER_NODE_RENDER_NODE_PATTERN_H 18 #include <functional> 19 20 #include "base/memory/referenced.h" 21 #include "base/utils/utils.h" 22 #include "core/components_ng/base/modifier.h" 23 #include "core/components_ng/pattern/pattern.h" 24 #include "core/components_ng/pattern/render_node/render_node_layout_algorithm.h" 25 #include "core/components_ng/pattern/render_node/render_node_layout_property.h" 26 #include "core/components_ng/pattern/render_node/render_node_modifier.h" 27 #include "core/components_ng/pattern/render_node/render_node_paint_method.h" 28 #include "core/components_ng/pattern/render_node/render_node_paint_property.h" 29 30 namespace OHOS::Ace::NG { 31 using DrawCallback = std::function<void(DrawingContext)>; 32 33 class ACE_EXPORT RenderNodePattern : public Pattern { 34 DECLARE_ACE_TYPE(RenderNodePattern, Pattern); 35 36 public: 37 RenderNodePattern() = default; 38 ~RenderNodePattern() override = default; 39 CreateLayoutAlgorithm()40 RefPtr<LayoutAlgorithm> CreateLayoutAlgorithm() override 41 { 42 return MakeRefPtr<RenderNodeLayoutAlgorithm>(); 43 } 44 CreateLayoutProperty()45 RefPtr<LayoutProperty> CreateLayoutProperty() override 46 { 47 return MakeRefPtr<RenderNodeLayoutProperty>(); 48 } 49 IsAtomicNode()50 bool IsAtomicNode() const override 51 { 52 return false; 53 } 54 GetFocusPattern()55 FocusPattern GetFocusPattern() const override 56 { 57 return { FocusType::SCOPE, true }; 58 } 59 SetDrawCallback(std::function<void (DrawingContext & context)> && drawCallback)60 void SetDrawCallback(std::function<void(DrawingContext& context)>&& drawCallback) 61 { 62 drawCallback_ = drawCallback; 63 renderNodeModifier_ = AceType::MakeRefPtr<RenderNodeModifier>(drawCallback_); 64 } 65 CreatePaintProperty()66 RefPtr<PaintProperty> CreatePaintProperty() override 67 { 68 auto renderNodePaintProperty = MakeRefPtr<RenderNodePaintProperty>(); 69 renderNodePaintProperty->UpdateRenderNodeFlag(0); 70 return renderNodePaintProperty; 71 } 72 CreateNodePaintMethod()73 RefPtr<NodePaintMethod> CreateNodePaintMethod() override 74 { 75 auto host = GetHost(); 76 CHECK_NULL_RETURN(host, nullptr); 77 auto paintProperty = host->GetPaintProperty<RenderNodePaintProperty>(); 78 paintProperty->SetHost(host); 79 80 if (!renderNodeModifier_) { 81 renderNodeModifier_ = AceType::MakeRefPtr<RenderNodeModifier>(drawCallback_); 82 } 83 auto paintMethod = AceType::MakeRefPtr<RenderNodePaintMethod>(renderNodeModifier_); 84 return paintMethod; 85 } 86 Invalidate()87 void Invalidate() 88 { 89 CHECK_NULL_VOID(renderNodeModifier_); 90 renderNodeModifier_->Modify(); 91 } 92 ToJsonValue(std::unique_ptr<JsonValue> & json,const InspectorFilter & filter)93 void ToJsonValue(std::unique_ptr<JsonValue>& json, const InspectorFilter& filter) const override 94 { 95 Pattern::ToJsonValue(json, filter); 96 /* no fixed attr below, just return */ 97 if (filter.IsFastFilter()) { 98 return; 99 } 100 101 json->PutExtAttr("label", label_.c_str(), filter); 102 } 103 SetLabel(const std::string & label)104 void SetLabel(const std::string& label) 105 { 106 label_ = label; 107 } 108 109 private: 110 void OnModifyDone() override; 111 112 std::function<void(DrawingContext& context)> drawCallback_; 113 RefPtr<RenderNodeModifier> renderNodeModifier_; 114 std::string label_; 115 }; 116 } // namespace OHOS::Ace::NG 117 118 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_PATTERNS_RENDER_NODE_RENDER_NODE_PATTERN_H 119