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
10namespace policy {
11
12ExternalDataFetcher::ExternalDataFetcher(
13    base::WeakPtr<ExternalDataManager> manager,
14    const std::string& policy)
15    : manager_(manager),
16      policy_(policy) {
17}
18
19ExternalDataFetcher::ExternalDataFetcher(const ExternalDataFetcher& other)
20    : manager_(other.manager_),
21      policy_(other.policy_) {
22}
23
24ExternalDataFetcher::~ExternalDataFetcher() {
25}
26
27// static
28bool 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
38void 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
46