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Side by Side Diff: base/prefs/default_pref_store.cc

Issue 1645073005: Revert of Move base/prefs to components/prefs (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 4 years, 10 months ago
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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
3 // found in the LICENSE file.
4
5 #include "base/prefs/default_pref_store.h"
6
7 #include <utility>
8
9 #include "base/logging.h"
10
11 using base::Value;
12
13 DefaultPrefStore::DefaultPrefStore() {}
14
15 bool DefaultPrefStore::GetValue(const std::string& key,
16 const Value** result) const {
17 return prefs_.GetValue(key, result);
18 }
19
20 void DefaultPrefStore::AddObserver(PrefStore::Observer* observer) {
21 observers_.AddObserver(observer);
22 }
23
24 void DefaultPrefStore::RemoveObserver(PrefStore::Observer* observer) {
25 observers_.RemoveObserver(observer);
26 }
27
28 bool DefaultPrefStore::HasObservers() const {
29 return observers_.might_have_observers();
30 }
31
32 void DefaultPrefStore::SetDefaultValue(const std::string& key,
33 scoped_ptr<Value> value) {
34 DCHECK(!GetValue(key, NULL));
35 prefs_.SetValue(key, std::move(value));
36 }
37
38 void DefaultPrefStore::ReplaceDefaultValue(const std::string& key,
39 scoped_ptr<Value> value) {
40 const Value* old_value = NULL;
41 GetValue(key, &old_value);
42 bool notify = !old_value->Equals(value.get());
43 prefs_.SetValue(key, std::move(value));
44 if (notify)
45 FOR_EACH_OBSERVER(Observer, observers_, OnPrefValueChanged(key));
46 }
47
48 DefaultPrefStore::const_iterator DefaultPrefStore::begin() const {
49 return prefs_.begin();
50 }
51
52 DefaultPrefStore::const_iterator DefaultPrefStore::end() const {
53 return prefs_.end();
54 }
55
56 DefaultPrefStore::~DefaultPrefStore() {}
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