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