1 /* 2 * Copyright (c) 2024-2024 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 16 #ifndef FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_BASE_TRANSPARENT_NODE_DETECTOR_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_BASE_TRANSPARENT_NODE_DETECTOR_H 18 19 #include "base/utils/utils.h" 20 #include "core/components_ng/base/frame_node.h" 21 22 namespace OHOS::Ace::NG { 23 class TransparentNodeDetector { 24 public: 25 static constexpr uint8_t MAX_DETECT_COUNT = 2; 26 27 static TransparentNodeDetector& GetInstance(); 28 void PostCheckNodeTransparentTask(const RefPtr<FrameNode>& node, uint8_t detectCount = MAX_DETECT_COUNT); 29 private: 30 TransparentNodeDetector() = default; 31 ~TransparentNodeDetector() = default; 32 TransparentNodeDetector(const TransparentNodeDetector& instance) = delete; 33 const TransparentNodeDetector& operator = (const TransparentNodeDetector& instance) = delete; 34 }; 35 } // namespace OHOS::Ace::NG 36 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_NG_BASE_TRANSPARENT_NODE_DETECTOR_H 37 38