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 KioskAppServiceInterfaceProxyInterface;
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::KioskAppServiceInterfaceProxyInterface* kiosk_app_proxy)
42       : hardware_(hardware),
43 #if USE_CHROME_KIOSK_APP
44         boot_control_(boot_control),
45         kiosk_app_proxy_(kiosk_app_proxy) {
46   }
47 #else
48         boot_control_(boot_control) {
49   }
50 #endif  // USE_CHROME_KIOSK_APP
51 
52   // Initializes the provider and returns whether it succeeded.
53   bool Init();
54 
55   Variable<bool>* var_is_normal_boot_mode() override {
56     return var_is_normal_boot_mode_.get();
57   }
58 
59   Variable<bool>* var_is_official_build() override {
60     return var_is_official_build_.get();
61   }
62 
63   Variable<bool>* var_is_oobe_complete() override {
64     return var_is_oobe_complete_.get();
65   }
66 
67   Variable<unsigned int>* var_num_slots() override {
68     return var_num_slots_.get();
69   }
70 
71   Variable<std::string>* var_kiosk_required_platform_version() override {
72     return var_kiosk_required_platform_version_.get();
73   }
74 
75  private:
76   bool GetKioskAppRequiredPlatformVersion(
77       std::string* required_platform_version);
78 
79   std::unique_ptr<Variable<bool>> var_is_normal_boot_mode_;
80   std::unique_ptr<Variable<bool>> var_is_official_build_;
81   std::unique_ptr<Variable<bool>> var_is_oobe_complete_;
82   std::unique_ptr<Variable<unsigned int>> var_num_slots_;
83   std::unique_ptr<Variable<std::string>> var_kiosk_required_platform_version_;
84 
85   chromeos_update_engine::HardwareInterface* const hardware_;
86   chromeos_update_engine::BootControlInterface* const boot_control_;
87 #if USE_CHROME_KIOSK_APP
88   org::chromium::KioskAppServiceInterfaceProxyInterface* const kiosk_app_proxy_;
89 #endif  // USE_CHROME_KIOSK_APP
90 
91   DISALLOW_COPY_AND_ASSIGN(RealSystemProvider);
92 };
93 
94 }  // namespace chromeos_update_manager
95 
96 #endif  // UPDATE_ENGINE_UPDATE_MANAGER_REAL_SYSTEM_PROVIDER_H_
97