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 #if USE_CHROME_KIOSK_APP
44         boot_control_(boot_control),
45         libcros_proxy_(libcros_proxy) {}
46 #else
47         boot_control_(boot_control) {}
48 #endif  // USE_CHROME_KIOSK_APP
49 
50   // Initializes the provider and returns whether it succeeded.
51   bool Init();
52 
53   Variable<bool>* var_is_normal_boot_mode() override {
54     return var_is_normal_boot_mode_.get();
55   }
56 
57   Variable<bool>* var_is_official_build() override {
58     return var_is_official_build_.get();
59   }
60 
61   Variable<bool>* var_is_oobe_complete() override {
62     return var_is_oobe_complete_.get();
63   }
64 
65   Variable<unsigned int>* var_num_slots() override {
66     return var_num_slots_.get();
67   }
68 
69   Variable<std::string>* var_kiosk_required_platform_version() override {
70     return var_kiosk_required_platform_version_.get();
71   }
72 
73  private:
74   bool GetKioskAppRequiredPlatformVersion(
75       std::string* required_platform_version);
76 
77   std::unique_ptr<Variable<bool>> var_is_normal_boot_mode_;
78   std::unique_ptr<Variable<bool>> var_is_official_build_;
79   std::unique_ptr<Variable<bool>> var_is_oobe_complete_;
80   std::unique_ptr<Variable<unsigned int>> var_num_slots_;
81   std::unique_ptr<Variable<std::string>> var_kiosk_required_platform_version_;
82 
83   chromeos_update_engine::HardwareInterface* const hardware_;
84   chromeos_update_engine::BootControlInterface* const boot_control_;
85 #if USE_CHROME_KIOSK_APP
86   org::chromium::LibCrosServiceInterfaceProxyInterface* const libcros_proxy_;
87 #endif  // USE_CHROME_KIOSK_APP
88 
89   DISALLOW_COPY_AND_ASSIGN(RealSystemProvider);
90 };
91 
92 }  // namespace chromeos_update_manager
93 
94 #endif  // UPDATE_ENGINE_UPDATE_MANAGER_REAL_SYSTEM_PROVIDER_H_
95