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      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_TIME_PROVIDER_H_
     18 #define UPDATE_ENGINE_UPDATE_MANAGER_TIME_PROVIDER_H_
     19 
     20 #include <base/time/time.h>
     21 
     22 #include "update_engine/update_manager/provider.h"
     23 #include "update_engine/update_manager/variable.h"
     24 
     25 namespace chromeos_update_manager {
     26 
     27 // Provider for time related information.
     28 class TimeProvider : public Provider {
     29  public:
     30   ~TimeProvider() override {}
     31 
     32   // Returns the current date. The time of day component will be zero.
     33   virtual Variable<base::Time>* var_curr_date() = 0;
     34 
     35   // Returns the current hour (0 to 23) in local time. The type is int to keep
     36   // consistent with base::Time.
     37   virtual Variable<int>* var_curr_hour() = 0;
     38 
     39  protected:
     40   TimeProvider() {}
     41 
     42  private:
     43   DISALLOW_COPY_AND_ASSIGN(TimeProvider);
     44 };
     45 
     46 }  // namespace chromeos_update_manager
     47 
     48 #endif  // UPDATE_ENGINE_UPDATE_MANAGER_TIME_PROVIDER_H_
     49