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 #ifndef AUDIO_FOCUS_PARSER_H 16 #define AUDIO_FOCUS_PARSER_H 17 18 #include <map> 19 #include <string> 20 #include <libxml/parser.h> 21 #include <libxml/tree.h> 22 #include "audio_errors.h" 23 #include "audio_info.h" 24 #include "audio_policy_log.h" 25 26 namespace OHOS { 27 namespace AudioStandard { 28 #ifdef USE_CONFIG_POLICY 29 static constexpr char AUDIO_FOCUS_CONFIG_FILE[] = "etc/audio/audio_interrupt_policy_config.xml"; 30 #else 31 static constexpr char AUDIO_FOCUS_CONFIG_FILE[] = "system/etc/audio/audio_interrupt_policy_config.xml"; 32 #endif 33 34 class AudioFocusParser { 35 public: 36 AudioFocusParser(); 37 virtual ~AudioFocusParser(); 38 int32_t LoadConfig(std::map<std::pair<AudioFocusType, AudioFocusType>, AudioFocusEntry> &focusMap); 39 40 private: 41 static std::map<std::string, AudioFocusType> audioFocusMap; 42 static std::map<std::string, InterruptHint> actionMap; 43 static std::map<std::string, ActionTarget> targetMap; 44 static std::map<std::string, InterruptForceType> forceMap; 45 46 void LoadDefaultConfig(std::map<std::pair<AudioFocusType, AudioFocusType>, AudioFocusEntry> &focusMap); 47 void ParseFocusChildrenMap(xmlNode *node, const std::string &curStream, 48 std::map<std::pair<AudioFocusType, AudioFocusType>, AudioFocusEntry> &focusMap); 49 void ParseFocusMap(xmlNode *node, const std::string &curStream, std::map<std::pair<AudioFocusType, AudioFocusType>, 50 AudioFocusEntry> &focusMap); 51 void ParseStreams(xmlNode *node, std::map<std::pair<AudioFocusType, AudioFocusType>, 52 AudioFocusEntry> &focusMap); 53 void AddAllowedFocusEntry(xmlNode *currNode, const std::string &curStream, 54 std::map<std::pair<AudioFocusType, AudioFocusType>, AudioFocusEntry> &focusMap); 55 void ParseAllowedStreams(xmlNode *node, const std::string &curStream, 56 std::map<std::pair<AudioFocusType, AudioFocusType>, AudioFocusEntry> &focusMap); 57 void AddRejectedFocusEntry(xmlNode *currNode, const std::string &curStream, 58 std::map<std::pair<AudioFocusType, AudioFocusType>, AudioFocusEntry> &focusMap); 59 void ParseRejectedStreams(xmlNode *node, const std::string &curStream, 60 std::map<std::pair<AudioFocusType, AudioFocusType>, AudioFocusEntry> &focusMap); 61 void WriteConfigErrorEvent(); 62 }; 63 } // namespace AudioStandard 64 } // namespace OHOS 65 #endif // AUDIO_FOCUS_PARSER_H 66