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_CLIENT_CORE_PIPELINE_RS_NODE_MAP_H 16 #define RENDER_SERVICE_CLIENT_CORE_PIPELINE_RS_NODE_MAP_H 17 18 #include <mutex> 19 #include <unordered_map> 20 21 #include "common/rs_common_def.h" 22 #include "common/rs_macros.h" 23 #include "ui/rs_base_node.h" 24 25 namespace OHOS { 26 namespace Rosen { 27 class RSNode; 28 29 class RSC_EXPORT RSNodeMap final { 30 public: 31 static const RSNodeMap& Instance(); 32 static RSNodeMap& MutableInstance(); 33 34 bool RegisterNode(const std::shared_ptr<RSBaseNode>& nodePtr); 35 void UnregisterNode(NodeId id); 36 37 // Get RSNode with type T, return nullptr if not found or type mismatch 38 template<typename T = RSBaseNode> GetNode(NodeId id)39 const std::shared_ptr<T> GetNode(NodeId id) const 40 { 41 return RSBaseNode::ReinterpretCast<T>(GetNode<RSBaseNode>(id)); 42 } 43 template<> 44 const std::shared_ptr<RSBaseNode> GetNode(NodeId id) const; 45 46 const std::shared_ptr<RSNode> GetAnimationFallbackNode() const; 47 48 private: 49 explicit RSNodeMap(); 50 ~RSNodeMap() noexcept; 51 RSNodeMap(const RSNodeMap&) = delete; 52 RSNodeMap(const RSNodeMap&&) = delete; 53 RSNodeMap& operator=(const RSNodeMap&) = delete; 54 RSNodeMap& operator=(const RSNodeMap&&) = delete; 55 56 private: 57 mutable std::mutex mutex_; 58 std::unordered_map<NodeId, std::weak_ptr<RSBaseNode>> nodeMap_; 59 std::shared_ptr<RSNode> animationFallbackNode_; 60 }; 61 } // namespace Rosen 62 } // namespace OHOS 63 64 #endif // RENDER_SERVICE_CLIENT_CORE_PIPELINE_RS_NODE_MAP_H 65