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      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_SYSTEM_PROVIDER_H_
     18 #define UPDATE_ENGINE_UPDATE_MANAGER_REAL_SYSTEM_PROVIDER_H_
     19 
     20 #include <memory>
     21 #include <string>
     22 
     23 #include "update_engine/common/boot_control_interface.h"
     24 #include "update_engine/common/hardware_interface.h"
     25 #include "update_engine/update_manager/system_provider.h"
     26 
     27 namespace org {
     28 namespace chromium {
     29 class LibCrosServiceInterfaceProxyInterface;
     30 }  // namespace chromium
     31 }  // namespace org
     32 
     33 namespace chromeos_update_manager {
     34 
     35 // SystemProvider concrete implementation.
     36 class RealSystemProvider : public SystemProvider {
     37  public:
     38   RealSystemProvider(
     39       chromeos_update_engine::HardwareInterface* hardware,
     40       chromeos_update_engine::BootControlInterface* boot_control,
     41       org::chromium::LibCrosServiceInterfaceProxyInterface* libcros_proxy)
     42       : hardware_(hardware),
     43         boot_control_(boot_control),
     44         libcros_proxy_(libcros_proxy) {}
     45 
     46   // Initializes the provider and returns whether it succeeded.
     47   bool Init();
     48 
     49   Variable<bool>* var_is_normal_boot_mode() override {
     50     return var_is_normal_boot_mode_.get();
     51   }
     52 
     53   Variable<bool>* var_is_official_build() override {
     54     return var_is_official_build_.get();
     55   }
     56 
     57   Variable<bool>* var_is_oobe_complete() override {
     58     return var_is_oobe_complete_.get();
     59   }
     60 
     61   Variable<unsigned int>* var_num_slots() override {
     62     return var_num_slots_.get();
     63   }
     64 
     65   Variable<std::string>* var_kiosk_required_platform_version() override {
     66     return var_kiosk_required_platform_version_.get();
     67   }
     68 
     69  private:
     70   bool GetKioskAppRequiredPlatformVersion(
     71       std::string* required_platform_version);
     72 
     73   std::unique_ptr<Variable<bool>> var_is_normal_boot_mode_;
     74   std::unique_ptr<Variable<bool>> var_is_official_build_;
     75   std::unique_ptr<Variable<bool>> var_is_oobe_complete_;
     76   std::unique_ptr<Variable<unsigned int>> var_num_slots_;
     77   std::unique_ptr<Variable<std::string>> var_kiosk_required_platform_version_;
     78 
     79   chromeos_update_engine::HardwareInterface* const hardware_;
     80   chromeos_update_engine::BootControlInterface* const boot_control_;
     81   org::chromium::LibCrosServiceInterfaceProxyInterface* const libcros_proxy_
     82       ALLOW_UNUSED_TYPE;
     83 
     84   DISALLOW_COPY_AND_ASSIGN(RealSystemProvider);
     85 };
     86 
     87 }  // namespace chromeos_update_manager
     88 
     89 #endif  // UPDATE_ENGINE_UPDATE_MANAGER_REAL_SYSTEM_PROVIDER_H_
     90