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1 /*
2  * Copyright (c) 2022 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_BASE_CUSTOM_NODE_BASE_H
17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_BASE_CUSTOM_NODE_BASE_H
18 
19 #include <functional>
20 #include <string>
21 
22 #include "base/memory/ace_type.h"
23 #include "base/utils/macros.h"
24 #include "core/components_ng/base/frame_node.h"
25 #include "core/components_ng/pattern/custom/custom_node_pattern.h"
26 #include "core/pipeline/base/element_register.h"
27 
28 namespace OHOS::Ace::NG {
29 
30 class ACE_EXPORT CustomNodeBase : public virtual AceType {
31     DECLARE_ACE_TYPE(CustomNodeBase, AceType);
32 
33 public:
34     CustomNodeBase() = default;
35     ~CustomNodeBase() override;
36 
FireOnAppear()37     void FireOnAppear() const
38     {
39         if (appearFunc_) {
40             appearFunc_();
41         }
42     }
43 
SetRenderFunction(const RenderFunction & renderFunction)44     virtual void SetRenderFunction(const RenderFunction& renderFunction) {}
45 
SetAppearFunction(std::function<void ()> && appearFunc)46     void SetAppearFunction(std::function<void()>&& appearFunc)
47     {
48         appearFunc_ = std::move(appearFunc);
49     }
50 
SetUpdateFunction(std::function<void ()> && updateFunc)51     void SetUpdateFunction(std::function<void()>&& updateFunc)
52     {
53         updateFunc_ = std::move(updateFunc);
54     }
55 
SetDestroyFunction(std::function<void ()> && destroyFunc)56     void SetDestroyFunction(std::function<void()>&& destroyFunc)
57     {
58         destroyFunc_ = std::move(destroyFunc);
59     }
60 
SetReloadFunction(std::function<void (bool)> && reloadFunc)61     void SetReloadFunction(std::function<void(bool)>&& reloadFunc)
62     {
63         reloadFunc_ = std::move(reloadFunc);
64     }
65 
FireReloadFunction(bool deep)66     void FireReloadFunction(bool deep)
67     {
68         if (reloadFunc_) {
69             reloadFunc_(deep);
70         }
71     }
72 
73     virtual void SetCompleteReloadFunc(RenderFunction&& func) = 0;
74 
SetPageTransitionFunction(std::function<void ()> && pageTransitionFunc)75     void SetPageTransitionFunction(std::function<void()>&& pageTransitionFunc)
76     {
77         pageTransitionFunc_ = std::move(pageTransitionFunc);
78     }
79 
CallPageTransitionFunction()80     void CallPageTransitionFunction() const
81     {
82         if (pageTransitionFunc_) {
83             pageTransitionFunc_();
84         }
85     }
86 
SetForceUpdateNodeFunc(std::function<void (int32_t)> && forceNodeUpdateFunc)87     void SetForceUpdateNodeFunc(std::function<void(int32_t)>&& forceNodeUpdateFunc)
88     {
89         forceNodeUpdateFunc_ = std::move(forceNodeUpdateFunc);
90     }
91 
FireNodeUpdateFunc(ElementIdType id)92     void FireNodeUpdateFunc(ElementIdType id)
93     {
94         if (forceNodeUpdateFunc_) {
95             forceNodeUpdateFunc_(id);
96         } else {
97             LOGE("fail to find node update func to execute %{public}d node update", id);
98         }
99     }
100 
101     void FireRecycleSelf();
102 
SetRecycleFunction(std::function<void (RefPtr<CustomNodeBase>)> && recycleCustomNode)103     void SetRecycleFunction(std::function<void(RefPtr<CustomNodeBase>)>&& recycleCustomNode)
104     {
105         recycleCustomNodeFunc_ = std::move(recycleCustomNode);
106     }
107 
SetRecycleRenderFunc(std::function<void ()> && func)108     void SetRecycleRenderFunc(std::function<void()>&& func)
109     {
110         recycleRenderFunc_ = std::move(func);
111     }
112 
FireRecycleRenderFunc()113     void FireRecycleRenderFunc()
114     {
115         if (recycleRenderFunc_) {
116             ACE_SCOPED_TRACE("CustomNode:BuildRecycle %s", GetJSViewName().c_str());
117             recycleRenderFunc_();
118             recycleRenderFunc_ = nullptr;
119         }
120     }
121 
HasRecycleRenderFunc()122     bool HasRecycleRenderFunc()
123     {
124         return recycleRenderFunc_ != nullptr;
125     }
126 
ResetRecycle()127     void ResetRecycle()
128     {
129         recycleRenderFunc_ = nullptr;
130     }
131 
SetSetActiveFunc(std::function<void (bool)> && func)132     void SetSetActiveFunc(std::function<void(bool)>&& func)
133     {
134         setActiveFunc_ = std::move(func);
135     }
136 
FireSetActiveFunc(bool active)137     void FireSetActiveFunc(bool active)
138     {
139         if (setActiveFunc_) {
140             setActiveFunc_(active);
141         }
142     }
143 
Reset()144     void Reset()
145     {
146         updateFunc_ = nullptr;
147         appearFunc_ = nullptr;
148         destroyFunc_ = nullptr;
149     }
150 
151     // called by view in js thread
152     void MarkNeedUpdate();
153 
154     // called by pipeline in js thread of update.
155     void Update();
156 
SetJSViewName(std::string && name)157     void SetJSViewName(std::string&& name)
158     {
159         jsViewName_ = name;
160     }
161 
GetJSViewName()162     std::string& GetJSViewName()
163     {
164         return jsViewName_;
165     }
166 
167 protected:
168     std::string jsViewName_;
169 
170 private:
171     std::function<void()> updateFunc_;
172     std::function<void()> appearFunc_;
173     std::function<void()> destroyFunc_;
174     std::function<void()> pageTransitionFunc_;
175     std::function<void(bool)> reloadFunc_;
176     std::function<void()> completeReloadFunc_;
177     std::function<void(int32_t)> forceNodeUpdateFunc_;
178     std::function<void(RefPtr<CustomNodeBase>)> recycleCustomNodeFunc_;
179     std::function<void()> recycleRenderFunc_;
180     std::function<void(bool)> setActiveFunc_;
181     bool needRebuild_ = false;
182 };
183 } // namespace OHOS::Ace::NG
184 
185 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_BASE_CUSTOM_NODE_BASE_H
186