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 #ifndef META_SRC_STACK_PROPERTY_H
16 #define META_SRC_STACK_PROPERTY_H
17
18 #include <atomic>
19
20 #include <meta/api/make_callback.h>
21 #include <meta/interface/property/intf_stack_property.h>
22 #include <meta/interface/serialization/intf_serializable.h>
23
24 #include "property.h"
25
META_BEGIN_NAMESPACE()26 META_BEGIN_NAMESPACE()
27 namespace Internal {
28
29 class StackProperty : public IntroduceInterfaces<GenericProperty, IStackProperty, ISerializable> {
30 using Super = IntroduceInterfaces<GenericProperty, IStackProperty, ISerializable>;
31
32 public:
33 META_NO_COPY_MOVE(StackProperty)
34
35 explicit StackProperty(BASE_NS::string name);
36 ~StackProperty() override;
37
38 AnyReturnValue SetValue(const IAny& value) override;
39 const IAny& GetValue() const override;
40
41 ReturnError PushValue(const IValue::Ptr& value) override;
42 ReturnError PopValue() override;
43 IValue::Ptr TopValue() const override;
44 ReturnError RemoveValue(const IValue::Ptr& value) override;
45 BASE_NS::vector<IValue::Ptr> GetValues(const BASE_NS::array_view<const TypeId>& ids, bool strict) const override;
46
47 ReturnError InsertModifier(IndexType pos, const IModifier::Ptr& mod) override;
48 IModifier::Ptr RemoveModifier(IndexType pos) override;
49 ReturnError RemoveModifier(const IModifier::Ptr& mod) override;
50 BASE_NS::vector<IModifier::Ptr> GetModifiers(
51 const BASE_NS::array_view<const TypeId>& ids, bool strict) const override;
52
53 AnyReturnValue SetDefaultValue(const IAny& value) override;
54 const IAny& GetDefaultValue() const override;
55
56 AnyReturnValue SetInternalAny(IAny::Ptr any) override;
57 void NotifyChange() const override;
58 bool IsDefaultValue() const override;
59 void ResetValue() override;
60 void RemoveAll() override;
61
62 ReturnError Export(IExportContext&) const override;
63 ReturnError Import(IImportContext&) override;
64
65 protected:
66 AnyReturnValue SetValueInValueStack(const IAny& value);
67 AnyReturnValue SetValueToStack(const IAny::Ptr& internal);
68 const IAny& GetValueFromStack() const;
69 const IAny& RawGetValue() const;
70 void CleanUp();
71
72 template<typename Vec>
73 bool ProcessResetables(Vec& vec);
74
75 ObjectId GetClassId() const override
76 {
77 return META_NS::ClassId::StackProperty.Id();
78 }
79
80 void InternalOnChanged()
81 {
82 requiresEvaluation_ = true;
83 if (auto p = onChangedAtomic_.load()) {
84 p->Invoke();
85 }
86 }
87
88 private:
89 mutable std::atomic<bool> requiresEvaluation_ {};
90 IAny::Ptr currentValue_;
91 IAny::Ptr defaultValue_;
92 BASE_NS::vector<IValue::Ptr> values_;
93 BASE_NS::vector<IModifier::Ptr> modifiers_;
94 ICallable::Ptr onChangedCallback_;
95 mutable bool evaluating_ {};
96 };
97
98 } // namespace Internal
99 META_END_NAMESPACE()
100
101 #endif
102