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_ENOUGH_SLOTS_AB_UPDATES_POLICY_IMPL_H_
18 #define UPDATE_ENGINE_UPDATE_MANAGER_ENOUGH_SLOTS_AB_UPDATES_POLICY_IMPL_H_
19 
20 #include <string>
21 
22 #include "update_engine/update_manager/policy_utils.h"
23 
24 namespace chromeos_update_manager {
25 
26 // Do not perform any updates if booted from removable device.
27 class EnoughSlotsAbUpdatesPolicyImpl : public PolicyImplBase {
28  public:
29   EnoughSlotsAbUpdatesPolicyImpl() = default;
30   ~EnoughSlotsAbUpdatesPolicyImpl() override = default;
31 
32   // Policy overrides.
33   EvalStatus UpdateCheckAllowed(EvaluationContext* ec,
34                                 State* state,
35                                 std::string* error,
36                                 UpdateCheckParams* result) const override;
37 
38  protected:
PolicyName()39   std::string PolicyName() const override {
40     return "EnoughSlotsAbUpdatesPolicyImpl";
41   }
42 
43  private:
44   DISALLOW_COPY_AND_ASSIGN(EnoughSlotsAbUpdatesPolicyImpl);
45 };
46 
47 }  // namespace chromeos_update_manager
48 
49 #endif  // UPDATE_ENGINE_UPDATE_MANAGER_ENOUGH_SLOTS_AB_UPDATES_POLICY_IMPL_H_
50