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Side by Side Diff: base/prefs/pref_registry.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/pref_registry.h"
6
7 #include "base/logging.h"
8 #include "base/prefs/default_pref_store.h"
9 #include "base/prefs/pref_store.h"
10 #include "base/stl_util.h"
11 #include "base/values.h"
12
13 PrefRegistry::PrefRegistry()
14 : defaults_(new DefaultPrefStore()) {
15 }
16
17 PrefRegistry::~PrefRegistry() {
18 }
19
20 uint32_t PrefRegistry::GetRegistrationFlags(
21 const std::string& pref_name) const {
22 const auto& it = registration_flags_.find(pref_name);
23 if (it == registration_flags_.end())
24 return NO_REGISTRATION_FLAGS;
25 return it->second;
26 }
27
28 scoped_refptr<PrefStore> PrefRegistry::defaults() {
29 return defaults_.get();
30 }
31
32 PrefRegistry::const_iterator PrefRegistry::begin() const {
33 return defaults_->begin();
34 }
35
36 PrefRegistry::const_iterator PrefRegistry::end() const {
37 return defaults_->end();
38 }
39
40 void PrefRegistry::SetDefaultPrefValue(const std::string& pref_name,
41 base::Value* value) {
42 DCHECK(value);
43 const base::Value* current_value = NULL;
44 DCHECK(defaults_->GetValue(pref_name, &current_value))
45 << "Setting default for unregistered pref: " << pref_name;
46 DCHECK(value->IsType(current_value->GetType()))
47 << "Wrong type for new default: " << pref_name;
48
49 defaults_->ReplaceDefaultValue(pref_name, make_scoped_ptr(value));
50 }
51
52 void PrefRegistry::RegisterPreference(const std::string& path,
53 base::Value* default_value,
54 uint32_t flags) {
55 base::Value::Type orig_type = default_value->GetType();
56 DCHECK(orig_type != base::Value::TYPE_NULL &&
57 orig_type != base::Value::TYPE_BINARY) <<
58 "invalid preference type: " << orig_type;
59 DCHECK(!defaults_->GetValue(path, NULL)) <<
60 "Trying to register a previously registered pref: " << path;
61 DCHECK(!ContainsKey(registration_flags_, path)) <<
62 "Trying to register a previously registered pref: " << path;
63
64 defaults_->SetDefaultValue(path, make_scoped_ptr(default_value));
65 if (flags != NO_REGISTRATION_FLAGS)
66 registration_flags_[path] = flags;
67 }
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