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1 /*
2  * Copyright (c) 2025 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 RENDER_SERVICE_CLIENT_CORE_MODIFIER_NG_RS_MODIFIER_NG_H
17 #define RENDER_SERVICE_CLIENT_CORE_MODIFIER_NG_RS_MODIFIER_NG_H
18 
19 #include <map>
20 
21 #include "modifier/rs_property.h"
22 #include "modifier_ng/rs_modifier_ng_type.h"
23 
24 namespace OHOS::Rosen {
25 class RSModifierExtractor;
26 class RSNode;
27 class RSPropertyBase;
28 
29 namespace ModifierNG {
30 class RSRenderModifier;
31 
32 class RSC_EXPORT RSModifier : public std::enable_shared_from_this<RSModifier> {
33 public:
GetId()34     ModifierId GetId() const
35     {
36         return id_;
37     }
38 
39     void OnAttach(RSNode& node);
40     void OnDetach();
41     void AttachProperty(const std::shared_ptr<RSPropertyBase>& property);
42     void AttachProperty(RSPropertyType type, std::shared_ptr<RSPropertyBase> property);
43     void DetachProperty(RSPropertyType type);
44 
45     void SetDirty(bool isDirty, const std::shared_ptr<RSModifierManager>& modifierManager = nullptr);
46 
47     virtual RSModifierType GetType() const = 0;
48 
GetProperty(RSPropertyType type)49     std::shared_ptr<RSPropertyBase> GetProperty(RSPropertyType type)
50     {
51         auto it = properties_.find(type);
52         if (it == properties_.end()) {
53             return nullptr;
54         }
55         return it->second;
56     }
57 
HasProperty(RSPropertyType type)58     bool HasProperty(RSPropertyType type) const
59     {
60         return properties_.count(type);
61     }
62 
IsCustom()63     virtual bool IsCustom() const
64     {
65         return false;
66     }
67 
ResetRSNodeExtendModifierDirty()68     void ResetRSNodeExtendModifierDirty()
69     {
70         if (auto node = node_.lock()) {
71             node->ResetExtendModifierDirty();
72         }
73     }
74 
75 protected:
RSModifier()76     RSModifier() : id_(GenerateModifierId()) {}
77     virtual ~RSModifier() = default;
78 
79     // only accept properties on white list ?
80     std::map<RSPropertyType, std::shared_ptr<RSPropertyBase>> properties_;
81     ModifierId id_;
82     std::weak_ptr<RSNode> node_;
83 
84     virtual std::shared_ptr<RSRenderModifier> CreateRenderModifier();
UpdateToRender()85     virtual void UpdateToRender() {}
MarkNodeDirty()86     virtual void MarkNodeDirty() {}
87 
88     template<typename T>
Getter(RSPropertyType type,const T & defaultValue)89     inline T Getter(RSPropertyType type, const T& defaultValue) const
90     {
91         auto it = properties_.find(type);
92         if (it == properties_.end()) {
93             return defaultValue;
94         }
95         auto property = std::static_pointer_cast<RSProperty<T>>(it->second);
96         return property->Get();
97     }
98 
99     template<typename T>
GetterWithoutCheck(const std::shared_ptr<RSPropertyBase> property)100     inline T GetterWithoutCheck(const std::shared_ptr<RSPropertyBase> property) const
101     {
102         return std::static_pointer_cast<RSProperty<T>>(property)->Get();
103     }
104 
105     template<template<typename> class PropertyType = RSAnimatableProperty, typename T>
Setter(RSPropertyType type,const T & value)106     inline void Setter(RSPropertyType type, const T& value)
107     {
108         auto it = properties_.find(type);
109         if (it != properties_.end()) {
110             auto property = std::static_pointer_cast<PropertyType<T>>(it->second);
111             property->Set(value);
112         } else {
113             std::shared_ptr<RSPropertyBase> property = std::make_shared<PropertyType<T>>(value);
114             AttachProperty(type, property);
115         }
116     }
117 
118     template<typename T>
GetterOptional(RSPropertyType type)119     inline std::optional<T> GetterOptional(RSPropertyType type) const
120     {
121         auto it = properties_.find(type);
122         if (it == properties_.end()) {
123             return std::nullopt;
124         }
125         auto property = std::static_pointer_cast<RSProperty<T>>(it->second);
126         return property->Get();
127     }
128 
129     template<template<typename> class PropertyType = RSProperty, typename T>
SetterOptional(RSPropertyType type,const std::optional<T> & value)130     inline void SetterOptional(RSPropertyType type, const std::optional<T>& value)
131     {
132         if (!value.has_value()) {
133             DetachProperty(type);
134             return;
135         }
136         auto it = properties_.find(type);
137         if (it != properties_.end()) {
138             auto property = std::static_pointer_cast<PropertyType<T>>(it->second);
139             property->Set(value.value());
140         } else {
141             std::shared_ptr<RSPropertyBase> property = std::make_shared<PropertyType<T>>(value.value());
142             AttachProperty(type, property);
143         }
144     }
145 
146 private:
147     static ModifierId GenerateModifierId();
148     void SetPropertyThresholdType(RSPropertyType type, std::shared_ptr<RSPropertyBase> property);
149     bool isDirty_ { false };
150 
151     friend class OHOS::Rosen::RSModifierExtractor;
152     friend class OHOS::Rosen::RSModifierManager;
153     friend class OHOS::Rosen::RSNode;
154     friend class OHOS::Rosen::RSPropertyBase;
155 };
156 } // namespace ModifierNG
157 } // namespace OHOS::Rosen
158 #endif // RENDER_SERVICE_CLIENT_CORE_MODIFIER_NG_RS_MODIFIER_NG_H
159