1 /* 2 * Copyright (C) 2018 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 _INIT_ACTION_MANAGER_H 18 #define _INIT_ACTION_MANAGER_H 19 20 #include <string> 21 #include <vector> 22 23 #include "action.h" 24 #include "builtins.h" 25 26 namespace android { 27 namespace init { 28 29 class ActionManager { 30 public: 31 static ActionManager& GetInstance(); 32 33 // Exposed for testing 34 ActionManager(); 35 36 void AddAction(std::unique_ptr<Action> action); 37 void QueueEventTrigger(const std::string& trigger); 38 void QueuePropertyChange(const std::string& name, const std::string& value); 39 void QueueAllPropertyActions(); 40 void QueueBuiltinAction(BuiltinFunction func, const std::string& name); 41 void ExecuteOneCommand(); 42 bool HasMoreCommands() const; 43 void DumpState() const; 44 void ClearQueue(); 45 46 private: 47 ActionManager(ActionManager const&) = delete; 48 void operator=(ActionManager const&) = delete; 49 50 std::vector<std::unique_ptr<Action>> actions_; 51 std::queue<std::variant<EventTrigger, PropertyChange, BuiltinAction>> event_queue_; 52 std::queue<const Action*> current_executing_actions_; 53 std::size_t current_command_; 54 }; 55 56 } // namespace init 57 } // namespace android 58 59 #endif 60