components/policy/core/common/external_data_fetcher.cc

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "components/policy/core/common/external_data_fetcher.h"
   6
   7 #include "base/callback.h"
   8 #include "components/policy/core/common/external_data_manager.h"
   9
  10 namespace policy {
  11
  12 ExternalDataFetcher::ExternalDataFetcher(
  13     base::WeakPtr<ExternalDataManager> manager,
  14     const std::string& policy)
  15     : manager_(manager),
  16       policy_(policy) {
  17 }
  18
  19 ExternalDataFetcher::ExternalDataFetcher(const ExternalDataFetcher& other)
  20     : manager_(other.manager_),
  21       policy_(other.policy_) {
  22 }
  23
  24 ExternalDataFetcher::~ExternalDataFetcher() {
  25 }
  26
  27 // static
  28 bool ExternalDataFetcher::Equals(const ExternalDataFetcher* first,
  29                                  const ExternalDataFetcher* second) {
  30   if (!first && !second)
  31     return true;
  32   if (!first || !second)
  33     return false;
  34   return first->manager_.get() == second->manager_.get() &&
  35          first->policy_ == second->policy_;
  36 }
  37
  38 void ExternalDataFetcher::Fetch(const FetchCallback& callback) const {
  39   if (manager_)
  40     manager_->Fetch(policy_, callback);
  41   else
  42     callback.Run(scoped_ptr<std::string>());
  43 }
  44
  45 }  // namespace policy