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1 /*
2  * Copyright (c) 2021-2023 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 #ifndef RENDER_SERVICE_BASE_PIPELINE_RS_RENDER_NODE_MAP_H
16 #define RENDER_SERVICE_BASE_PIPELINE_RS_RENDER_NODE_MAP_H
17 
18 #include <mutex>
19 #include <unordered_map>
20 #include <unordered_set>
21 
22 #include "common/rs_common_def.h"
23 #include "common/rs_macros.h"
24 #include "pipeline/rs_base_render_node.h"
25 
26 namespace OHOS {
27 namespace Rosen {
28 class RSRenderNode;
29 class RSSurfaceRenderNode;
30 class RSScreenRenderNode;
31 class RSCanvasDrawingRenderNode;
32 class RSLogicalDisplayRenderNode;
33 class RSB_EXPORT RSRenderNodeMap final {
34 public:
35     bool RegisterRenderNode(const std::shared_ptr<RSBaseRenderNode>& nodePtr);
36     void UnregisterRenderNode(NodeId id);
37 
38     void RegisterUnTreeNode(NodeId id);
39     bool UnRegisterUnTreeNode(NodeId id);
40 
41     // Get RenderNode with type T, return nullptr if not found or type mismatch
42     template<typename T = RSBaseRenderNode>
GetRenderNode(NodeId id)43     const std::shared_ptr<T> GetRenderNode(NodeId id) const
44     {
45         auto renderNode = GetRenderNode<RSBaseRenderNode>(id);
46         return RSBaseRenderNode::ReinterpretCast<T>(renderNode);
47     }
48     template<>
49     const std::shared_ptr<RSBaseRenderNode> GetRenderNode(NodeId id) const;
50 
51     const std::shared_ptr<RSRenderNode> GetAnimationFallbackNode() const;
52 
53     const std::string GetSelfDrawSurfaceNameByPid(pid_t nodePid) const;
54 
55     bool ContainPid(pid_t pid) const;
56     // On remote died, the instance root node will be directly removed from the tree,
57     // and the remaining subtree will be released in batches (this feature is enabled by default).
58     void FilterNodeByPid(pid_t pid, bool immediate = false);
59     void MoveRenderNodeMap(
60         std::shared_ptr<std::unordered_map<NodeId, std::shared_ptr<RSBaseRenderNode>>> subRenderNodeMap, pid_t pid);
61     void TraversalNodes(std::function<void (const std::shared_ptr<RSBaseRenderNode>&)> func) const;
62     void TraversalNodesByPid(int pid, std::function<void (const std::shared_ptr<RSBaseRenderNode>&)> func) const;
63     void TraverseSurfaceNodes(std::function<void (const std::shared_ptr<RSSurfaceRenderNode>&)> func) const;
64     void TraverseSurfaceNodesBreakOnCondition(
65         std::function<bool (const std::shared_ptr<RSSurfaceRenderNode>&)> func) const;
66     void TraverseScreenNodes(std::function<void (const std::shared_ptr<RSScreenRenderNode>&)> func) const;
67     void TraverseLogicalDisplayNodes(
68         std::function<void (const std::shared_ptr<RSLogicalDisplayRenderNode>&)> func) const;
69     void TraverseCanvasDrawingNodes(std::function<void (const std::shared_ptr<RSCanvasDrawingRenderNode>&)> func) const;
70     const std::unordered_map<NodeId, std::shared_ptr<RSSurfaceRenderNode>>& GetResidentSurfaceNodeMap() const;
71     bool IsResidentProcessNode(NodeId id) const;
72     bool IsUIExtensionSurfaceNode(NodeId id) const;
73 
74     NodeId GetEntryViewNodeId() const;
75     NodeId GetWallPaperViewNodeId() const;
76     NodeId GetScreenLockWindowNodeId() const;
77     NodeId GetNegativeScreenNodeId() const;
78     void ObtainScreenLockWindowNodeId(const std::shared_ptr<RSSurfaceRenderNode> surfaceNode);
79     void ObtainLauncherNodeId(const std::shared_ptr<RSSurfaceRenderNode> surfaceNode);
80 
81     uint32_t GetVisibleLeashWindowCount() const;
82     uint64_t GetSize() const;
83 
84     // call from main thread
85     std::vector<NodeId> GetSelfDrawingNodeInProcess(pid_t pid);
86 private:
87     explicit RSRenderNodeMap();
88     ~RSRenderNodeMap() = default;
89     RSRenderNodeMap(const RSRenderNodeMap&) = delete;
90     RSRenderNodeMap(const RSRenderNodeMap&&) = delete;
91     RSRenderNodeMap& operator=(const RSRenderNodeMap&) = delete;
92     RSRenderNodeMap& operator=(const RSRenderNodeMap&&) = delete;
93 
94 private:
95     std::weak_ptr<RSContext> context_;
96     NodeId entryViewNodeId_ = 0;
97     NodeId negativeScreenNodeId_ = 0;
98     NodeId wallpaperViewNodeId_ = 0;
99     NodeId screenLockWindowNodeId_ = 0;
100 
101     std::unordered_map<pid_t, std::unordered_map<NodeId, std::shared_ptr<RSBaseRenderNode>>> renderNodeMap_;
102     std::unordered_map<NodeId, std::shared_ptr<RSSurfaceRenderNode>> surfaceNodeMap_;
103     std::unordered_map<NodeId, std::shared_ptr<RSSurfaceRenderNode>> residentSurfaceNodeMap_;
104     std::unordered_map<NodeId, std::shared_ptr<RSScreenRenderNode>> screenNodeMap_;
105     std::unordered_map<NodeId, std::shared_ptr<RSLogicalDisplayRenderNode>> logicalDisplayNodeMap_;
106     std::unordered_map<NodeId, std::shared_ptr<RSCanvasDrawingRenderNode>> canvasDrawingNodeMap_;
107     std::unordered_map<NodeId, bool> purgeableNodeMap_;
108     std::unordered_map<pid_t, std::unordered_map<NodeId, std::shared_ptr<RSSurfaceRenderNode>>>
109         selfDrawingNodeInProcess_;
110     std::unordered_set<NodeId> unInTreeNodeSet_;
111 
112     void Initialize(const std::weak_ptr<RSContext>& context);
113 
114     void AddUIExtensionSurfaceNode(const std::shared_ptr<RSSurfaceRenderNode> surfaceNode);
115     void RemoveUIExtensionSurfaceNode(const std::shared_ptr<RSSurfaceRenderNode> surfaceNode);
116     void CollectSelfDrawingNodeOfSubTree(std::vector<NodeId>& vec, const std::shared_ptr<RSBaseRenderNode> rootNode);
117     std::unordered_set<NodeId> uiExtensionSurfaceNodes_;
118     mutable std::mutex uiExtensionSurfaceNodesMutex_;
119 
120     friend class RSContext;
121     friend class RSMainThread;
122 #ifdef RS_PROFILER_ENABLED
123     friend class RSProfiler;
124 #endif
125 };
126 } // namespace Rosen
127 } // namespace OHOS
128 
129 #endif // RENDER_SERVICE_BASE_PIPELINE_RS_RENDER_NODE_MAP_H
130