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_REAL_CONFIG_PROVIDER_H_ 18#define UPDATE_ENGINE_UPDATE_MANAGER_REAL_CONFIG_PROVIDER_H_ 19 20#include <memory> 21#include <string> 22 23#include "update_engine/common/hardware_interface.h" 24#include "update_engine/update_manager/config_provider.h" 25#include "update_engine/update_manager/generic_variables.h" 26 27namespace chromeos_update_manager { 28 29// ConfigProvider concrete implementation. 30class RealConfigProvider : public ConfigProvider { 31 public: 32 explicit RealConfigProvider( 33 chromeos_update_engine::HardwareInterface* hardware) 34 : hardware_(hardware) {} 35 36 // Initializes the provider and returns whether it succeeded. 37 bool Init(); 38 39 Variable<bool>* var_is_oobe_enabled() override { 40 return var_is_oobe_enabled_.get(); 41 } 42 43 private: 44 friend class UmRealConfigProviderTest; 45 46 // Used for testing. Sets the root prefix, which is by default "". Call this 47 // method before calling Init() in order to mock out the place where the files 48 // are being read from. 49 void SetRootPrefix(const std::string& prefix) { 50 root_prefix_ = prefix; 51 } 52 53 std::unique_ptr<ConstCopyVariable<bool>> var_is_oobe_enabled_; 54 55 chromeos_update_engine::HardwareInterface* hardware_; 56 57 // Prefix to prepend to the file paths. Useful for testing. 58 std::string root_prefix_; 59 60 DISALLOW_COPY_AND_ASSIGN(RealConfigProvider); 61}; 62 63} // namespace chromeos_update_manager 64 65#endif // UPDATE_ENGINE_UPDATE_MANAGER_REAL_CONFIG_PROVIDER_H_ 66