1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef _BOOTANIMATION_BOOTACTION_H 18 #define _BOOTANIMATION_BOOTACTION_H 19 20 #include <string> 21 22 #include <utils/RefBase.h> 23 24 namespace android { 25 26 class BootAction : public RefBase { 27 public: 28 ~BootAction(); 29 // Parse the contents of the config file. We expect one line: 30 // LIBRARY_NAME= 31 // 32 // LIBRARY_NAME is the name of the shared library that contains the boot action. 33 bool init(const std::string& libraryPath, const std::string& config); 34 35 // The animation is going to start playing partNumber for the playCount'th 36 // time, update the action as needed. 37 // This is run in the same thread as the boot animation, 38 // you must not block here. 39 void startPart(int partNumber, int playCount); 40 41 // Shutdown the boot action, this will be called shortly before the 42 // process is shut down to allow time for cleanup. 43 void shutdown(); 44 45 private: 46 typedef bool (*libInit)(); 47 typedef void (*libStartPart)(int partNumber, int playNumber); 48 typedef void (*libShutdown)(); 49 50 bool parseConfig(const std::string& config, std::string* path); 51 bool loadSymbol(const char* symbol, void** loaded); 52 const char* architectureDirectory(); 53 54 void* mLibHandle = nullptr; 55 libInit mLibInit = nullptr; 56 libStartPart mLibStartPart = nullptr; 57 libShutdown mLibShutdown = nullptr; 58 }; 59 60 } // namespace android 61 62 63 #endif // _BOOTANIMATION_BOOTACTION_H 64