1 //
2 // Copyright (C) 2017 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_INTERACTIVE_UPDATE_POLICY_IMPL_H_
18 #define UPDATE_ENGINE_UPDATE_MANAGER_INTERACTIVE_UPDATE_POLICY_IMPL_H_
19 
20 #include <string>
21 
22 #include "update_engine/common/error_code.h"
23 #include "update_engine/payload_consumer/install_plan.h"
24 #include "update_engine/update_manager/policy_utils.h"
25 
26 namespace chromeos_update_manager {
27 
28 // Check to see if an interactive update was requested.
29 class InteractiveUpdatePolicyImpl : public PolicyImplBase {
30  public:
31   InteractiveUpdatePolicyImpl() = default;
32   ~InteractiveUpdatePolicyImpl() override = default;
33 
34   // Policy overrides.
35   EvalStatus UpdateCheckAllowed(EvaluationContext* ec,
36                                 State* state,
37                                 std::string* error,
38                                 UpdateCheckParams* result) const override;
39 
40   EvalStatus UpdateCanBeApplied(
41       EvaluationContext* ec,
42       State* state,
43       std::string* error,
44       chromeos_update_engine::ErrorCode* result,
45       chromeos_update_engine::InstallPlan* install_plan) const override;
46 
47  protected:
48   std::string PolicyName() const override {
49     return "InteractiveUpdatePolicyImpl";
50   }
51 
52  private:
53   // Checks whether a forced update was requested. If there is a forced update,
54   // return true and set |interactive_out| to true if the forced update is
55   // interactive, and false otherwise. If there are no forced updates, return
56   // true and don't modify |interactive_out|.
57   bool CheckInteractiveUpdateRequested(EvaluationContext* ec,
58                                        UpdaterProvider* const updater_provider,
59                                        bool* interactive_out) const;
60 
61   DISALLOW_COPY_AND_ASSIGN(InteractiveUpdatePolicyImpl);
62 };
63 
64 }  // namespace chromeos_update_manager
65 
66 #endif  // UPDATE_ENGINE_UPDATE_MANAGER_INTERACTIVE_UPDATE_POLICY_IMPL_H_
67