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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 #include "update_engine/update_manager/update_manager.h"
     18 
     19 #include "update_engine/update_manager/chromeos_policy.h"
     20 #include "update_engine/update_manager/state.h"
     21 
     22 namespace chromeos_update_manager {
     23 
     24 UpdateManager::UpdateManager(chromeos_update_engine::ClockInterface* clock,
     25                              base::TimeDelta evaluation_timeout,
     26                              base::TimeDelta expiration_timeout, State* state)
     27       : default_policy_(clock), state_(state), clock_(clock),
     28         evaluation_timeout_(evaluation_timeout),
     29         expiration_timeout_(expiration_timeout),
     30         weak_ptr_factory_(this) {
     31   // TODO(deymo): Make it possible to replace this policy with a different
     32   // implementation with a build-time flag.
     33   policy_.reset(new ChromeOSPolicy());
     34 }
     35 
     36 UpdateManager::~UpdateManager() {
     37   // Remove pending main loop events associated with any of the outstanding
     38   // evaluation contexts. This will prevent dangling pending events, causing
     39   // these contexts to be destructed once the repo itself is destructed.
     40   for (auto& ec : ec_repo_)
     41     ec->RemoveObserversAndTimeout();
     42 }
     43 
     44 void UpdateManager::UnregisterEvalContext(EvaluationContext* ec) {
     45   if (!ec_repo_.erase(ec)) {
     46     LOG(ERROR) << "Unregistering an unknown evaluation context, this is a bug.";
     47   }
     48 }
     49 
     50 }  // namespace chromeos_update_manager
     51