1 /* 2 * Copyright (c) 2021-2022 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 RENDER_SERVICE_CLIENT_CORE_RENDER_RS_NODE_VISITOR_H 17 #define RENDER_SERVICE_CLIENT_CORE_RENDER_RS_NODE_VISITOR_H 18 19 #include <memory> 20 21 namespace OHOS { 22 namespace Rosen { 23 class RSRenderNode; 24 class RSCanvasRenderNode; 25 class RSScreenRenderNode; 26 class RSLogicalDisplayRenderNode; 27 class RSProxyRenderNode; 28 class RSRootRenderNode; 29 class RSSurfaceRenderNode; 30 class RSEffectRenderNode; 31 32 class RSNodeVisitor : public std::enable_shared_from_this<RSNodeVisitor> { 33 public: 34 RSNodeVisitor() = default; 35 RSNodeVisitor(const RSNodeVisitor&) = delete; 36 RSNodeVisitor(RSNodeVisitor&&) = delete; 37 RSNodeVisitor& operator=(const RSNodeVisitor&) = delete; 38 RSNodeVisitor& operator=(RSNodeVisitor&&) = delete; 39 virtual ~RSNodeVisitor() = default; 40 QuickPrepareChildren(RSRenderNode & node)41 virtual void QuickPrepareChildren(RSRenderNode& node) {} QuickPrepareCanvasRenderNode(RSCanvasRenderNode & node)42 virtual void QuickPrepareCanvasRenderNode(RSCanvasRenderNode& node) {} QuickPrepareScreenRenderNode(RSScreenRenderNode & node)43 virtual void QuickPrepareScreenRenderNode(RSScreenRenderNode& node) {} QuickPrepareEffectRenderNode(RSEffectRenderNode & node)44 virtual void QuickPrepareEffectRenderNode(RSEffectRenderNode& node) {} QuickPrepareLogicalDisplayRenderNode(RSLogicalDisplayRenderNode & node)45 virtual void QuickPrepareLogicalDisplayRenderNode(RSLogicalDisplayRenderNode& node) {} QuickPrepareSurfaceRenderNode(RSSurfaceRenderNode & node)46 virtual void QuickPrepareSurfaceRenderNode(RSSurfaceRenderNode& node) {} 47 48 virtual void PrepareChildren(RSRenderNode& node) = 0; 49 virtual void PrepareCanvasRenderNode(RSCanvasRenderNode& node) = 0; 50 virtual void PrepareScreenRenderNode(RSScreenRenderNode& node) = 0; 51 virtual void PrepareEffectRenderNode(RSEffectRenderNode& node) = 0; 52 virtual void PrepareLogicalDisplayRenderNode(RSLogicalDisplayRenderNode& node) = 0; 53 virtual void PrepareProxyRenderNode(RSProxyRenderNode& node) = 0; 54 virtual void PrepareRootRenderNode(RSRootRenderNode& node) = 0; 55 virtual void PrepareSurfaceRenderNode(RSSurfaceRenderNode& node) = 0; 56 57 virtual void ProcessChildren(RSRenderNode& node) = 0; 58 virtual void ProcessCanvasRenderNode(RSCanvasRenderNode& node) = 0; 59 virtual void ProcessScreenRenderNode(RSScreenRenderNode& node) = 0; 60 virtual void ProcessProxyRenderNode(RSProxyRenderNode& node) = 0; 61 virtual void ProcessLogicalDisplayRenderNode(RSLogicalDisplayRenderNode& node) = 0; 62 virtual void ProcessRootRenderNode(RSRootRenderNode& node) = 0; 63 virtual void ProcessSurfaceRenderNode(RSSurfaceRenderNode& node) = 0; 64 virtual void ProcessEffectRenderNode(RSEffectRenderNode& node) = 0; RegisterHpaeCallback(RSRenderNode & node)65 virtual void RegisterHpaeCallback(RSRenderNode& node) {}; AddSurfaceChangedCallBack(uint64_t id,const std::function<void (float,float,float,float)> & callback)66 virtual void AddSurfaceChangedCallBack(uint64_t id, 67 const std::function<void(float, float, float, float)>& callback) {}; RemoveSurfaceChangedCallBack(uint64_t id)68 virtual void RemoveSurfaceChangedCallBack(uint64_t id) {}; 69 }; 70 71 } // namespace Rosen 72 } // namespace OHOS 73 74 #endif // RENDER_SERVICE_CLIENT_CORE_RENDER_RS_NODE_VISITOR_H 75