1 // 2 // Copyright (C) 2014 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 UPDATE_ENGINE_UPDATE_MANAGER_STATE_H_ 18 #define UPDATE_ENGINE_UPDATE_MANAGER_STATE_H_ 19 20 #include "update_engine/update_manager/config_provider.h" 21 #include "update_engine/update_manager/device_policy_provider.h" 22 #include "update_engine/update_manager/random_provider.h" 23 #include "update_engine/update_manager/shill_provider.h" 24 #include "update_engine/update_manager/system_provider.h" 25 #include "update_engine/update_manager/time_provider.h" 26 #include "update_engine/update_manager/updater_provider.h" 27 28 namespace chromeos_update_manager { 29 30 // The State class is an interface to the ensemble of providers. This class 31 // gives visibility of the state providers to policy implementations. 32 class State { 33 public: 34 virtual ~State() {} 35 36 // These methods return the given provider. 37 virtual ConfigProvider* config_provider() = 0; 38 virtual DevicePolicyProvider* device_policy_provider() = 0; 39 virtual RandomProvider* random_provider() = 0; 40 virtual ShillProvider* shill_provider() = 0; 41 virtual SystemProvider* system_provider() = 0; 42 virtual TimeProvider* time_provider() = 0; 43 virtual UpdaterProvider* updater_provider() = 0; 44 45 protected: 46 State() {} 47 48 private: 49 DISALLOW_COPY_AND_ASSIGN(State); 50 }; 51 52 } // namespace chromeos_update_manager 53 54 #endif // UPDATE_ENGINE_UPDATE_MANAGER_STATE_H_ 55
