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[email protected]e6d1c4f2013-06-12 17:37:401// 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 "chrome/browser/pref_service_flags_storage.h"
6
7#include "base/prefs/pref_service.h"
[email protected]9eec53fe2013-10-30 20:21:178#include "base/prefs/scoped_user_pref_update.h"
[email protected]e6d1c4f2013-06-12 17:37:409#include "base/values.h"
[email protected]e6d1c4f2013-06-12 17:37:4010#include "chrome/common/pref_names.h"
11
12namespace about_flags {
13
14PrefServiceFlagsStorage::PrefServiceFlagsStorage(
15 PrefService *prefs) : prefs_(prefs) {}
16
17PrefServiceFlagsStorage::~PrefServiceFlagsStorage() {}
18
19std::set<std::string> PrefServiceFlagsStorage::GetFlags() {
[email protected]cb1078de2013-12-23 20:04:2220 const base::ListValue* enabled_experiments = prefs_->GetList(
[email protected]e6d1c4f2013-06-12 17:37:4021 prefs::kEnabledLabsExperiments);
22 std::set<std::string> flags;
[email protected]cb1078de2013-12-23 20:04:2223 for (base::ListValue::const_iterator it = enabled_experiments->begin();
[email protected]e6d1c4f2013-06-12 17:37:4024 it != enabled_experiments->end();
25 ++it) {
26 std::string experiment_name;
27 if (!(*it)->GetAsString(&experiment_name)) {
28 LOG(WARNING) << "Invalid entry in " << prefs::kEnabledLabsExperiments;
29 continue;
30 }
31 flags.insert(experiment_name);
32 }
33 return flags;
34}
35
[email protected]89f19af02013-09-19 05:22:3536bool PrefServiceFlagsStorage::SetFlags(const std::set<std::string>& flags) {
[email protected]e6d1c4f2013-06-12 17:37:4037 ListPrefUpdate update(prefs_, prefs::kEnabledLabsExperiments);
[email protected]cb1078de2013-12-23 20:04:2238 base::ListValue* experiments_list = update.Get();
[email protected]e6d1c4f2013-06-12 17:37:4039
40 experiments_list->Clear();
41 for (std::set<std::string>::const_iterator it = flags.begin();
42 it != flags.end(); ++it) {
[email protected]cb1078de2013-12-23 20:04:2243 experiments_list->Append(new base::StringValue(*it));
[email protected]e6d1c4f2013-06-12 17:37:4044 }
45
46 return true;
47}
48
49} // namespace about_flags