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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "base/prefs/default_pref_store.h" | 5 #include "base/prefs/default_pref_store.h" |
| 6 |
| 7 #include <utility> |
| 8 |
6 #include "base/logging.h" | 9 #include "base/logging.h" |
7 | 10 |
8 using base::Value; | 11 using base::Value; |
9 | 12 |
10 DefaultPrefStore::DefaultPrefStore() {} | 13 DefaultPrefStore::DefaultPrefStore() {} |
11 | 14 |
12 bool DefaultPrefStore::GetValue(const std::string& key, | 15 bool DefaultPrefStore::GetValue(const std::string& key, |
13 const Value** result) const { | 16 const Value** result) const { |
14 return prefs_.GetValue(key, result); | 17 return prefs_.GetValue(key, result); |
15 } | 18 } |
16 | 19 |
17 void DefaultPrefStore::AddObserver(PrefStore::Observer* observer) { | 20 void DefaultPrefStore::AddObserver(PrefStore::Observer* observer) { |
18 observers_.AddObserver(observer); | 21 observers_.AddObserver(observer); |
19 } | 22 } |
20 | 23 |
21 void DefaultPrefStore::RemoveObserver(PrefStore::Observer* observer) { | 24 void DefaultPrefStore::RemoveObserver(PrefStore::Observer* observer) { |
22 observers_.RemoveObserver(observer); | 25 observers_.RemoveObserver(observer); |
23 } | 26 } |
24 | 27 |
25 bool DefaultPrefStore::HasObservers() const { | 28 bool DefaultPrefStore::HasObservers() const { |
26 return observers_.might_have_observers(); | 29 return observers_.might_have_observers(); |
27 } | 30 } |
28 | 31 |
29 void DefaultPrefStore::SetDefaultValue(const std::string& key, | 32 void DefaultPrefStore::SetDefaultValue(const std::string& key, |
30 scoped_ptr<Value> value) { | 33 scoped_ptr<Value> value) { |
31 DCHECK(!GetValue(key, NULL)); | 34 DCHECK(!GetValue(key, NULL)); |
32 prefs_.SetValue(key, value.Pass()); | 35 prefs_.SetValue(key, std::move(value)); |
33 } | 36 } |
34 | 37 |
35 void DefaultPrefStore::ReplaceDefaultValue(const std::string& key, | 38 void DefaultPrefStore::ReplaceDefaultValue(const std::string& key, |
36 scoped_ptr<Value> value) { | 39 scoped_ptr<Value> value) { |
37 const Value* old_value = NULL; | 40 const Value* old_value = NULL; |
38 GetValue(key, &old_value); | 41 GetValue(key, &old_value); |
39 bool notify = !old_value->Equals(value.get()); | 42 bool notify = !old_value->Equals(value.get()); |
40 prefs_.SetValue(key, value.Pass()); | 43 prefs_.SetValue(key, std::move(value)); |
41 if (notify) | 44 if (notify) |
42 FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key)); | 45 FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key)); |
43 } | 46 } |
44 | 47 |
45 DefaultPrefStore::const_iterator DefaultPrefStore::begin() const { | 48 DefaultPrefStore::const_iterator DefaultPrefStore::begin() const { |
46 return prefs_.begin(); | 49 return prefs_.begin(); |
47 } | 50 } |
48 | 51 |
49 DefaultPrefStore::const_iterator DefaultPrefStore::end() const { | 52 DefaultPrefStore::const_iterator DefaultPrefStore::end() const { |
50 return prefs_.end(); | 53 return prefs_.end(); |
51 } | 54 } |
52 | 55 |
53 DefaultPrefStore::~DefaultPrefStore() {} | 56 DefaultPrefStore::~DefaultPrefStore() {} |
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