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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 #include "base/logging.h" | 6 #include "base/logging.h" |
7 | 7 |
8 using base::Value; | 8 using base::Value; |
9 | 9 |
10 DefaultPrefStore::DefaultPrefStore() {} | 10 DefaultPrefStore::DefaultPrefStore() {} |
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22 observers_.RemoveObserver(observer); | 22 observers_.RemoveObserver(observer); |
23 } | 23 } |
24 | 24 |
25 bool DefaultPrefStore::HasObservers() const { | 25 bool DefaultPrefStore::HasObservers() const { |
26 return observers_.might_have_observers(); | 26 return observers_.might_have_observers(); |
27 } | 27 } |
28 | 28 |
29 void DefaultPrefStore::SetDefaultValue(const std::string& key, | 29 void DefaultPrefStore::SetDefaultValue(const std::string& key, |
30 scoped_ptr<Value> value) { | 30 scoped_ptr<Value> value) { |
31 DCHECK(!GetValue(key, NULL)); | 31 DCHECK(!GetValue(key, NULL)); |
32 prefs_.SetValue(key, value.release()); | 32 prefs_.SetValue(key, value.Pass()); |
33 } | 33 } |
34 | 34 |
35 void DefaultPrefStore::ReplaceDefaultValue(const std::string& key, | 35 void DefaultPrefStore::ReplaceDefaultValue(const std::string& key, |
36 scoped_ptr<Value> value) { | 36 scoped_ptr<Value> value) { |
37 const Value* old_value = NULL; | 37 const Value* old_value = NULL; |
38 GetValue(key, &old_value); | 38 GetValue(key, &old_value); |
39 bool notify = !old_value->Equals(value.get()); | 39 bool notify = !old_value->Equals(value.get()); |
40 prefs_.SetValue(key, value.release()); | 40 prefs_.SetValue(key, value.Pass()); |
41 if (notify) | 41 if (notify) |
42 FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key)); | 42 FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key)); |
43 } | 43 } |
44 | 44 |
45 DefaultPrefStore::const_iterator DefaultPrefStore::begin() const { | 45 DefaultPrefStore::const_iterator DefaultPrefStore::begin() const { |
46 return prefs_.begin(); | 46 return prefs_.begin(); |
47 } | 47 } |
48 | 48 |
49 DefaultPrefStore::const_iterator DefaultPrefStore::end() const { | 49 DefaultPrefStore::const_iterator DefaultPrefStore::end() const { |
50 return prefs_.end(); | 50 return prefs_.end(); |
51 } | 51 } |
52 | 52 |
53 DefaultPrefStore::~DefaultPrefStore() {} | 53 DefaultPrefStore::~DefaultPrefStore() {} |
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