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Side by Side Diff: chrome/browser/prefs/pref_registry.cc

Issue 11741003: Remove PrefServiceSimple, replacing it with PrefService and PrefRegistrySimple. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix double registration in Chrome Frame test. Created 7 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 "chrome/browser/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/values.h"
11
12 PrefRegistry::PrefRegistry()
13 : defaults_(new DefaultPrefStore()) {
14 }
15
16 PrefRegistry::~PrefRegistry() {
17 }
18
19 scoped_refptr<PrefStore> PrefRegistry::defaults() {
20 return defaults_.get();
21 }
22
23 PrefRegistry::const_iterator PrefRegistry::begin() const {
24 return defaults_->begin();
25 }
26
27 PrefRegistry::const_iterator PrefRegistry::end() const {
28 return defaults_->end();
29 }
30
31 void PrefRegistry::SetRegistrationCallback(
32 const RegistrationCallback& callback) {
33 registration_callback_ = callback;
34 }
35
36 void PrefRegistry::SetUnregistrationCallback(
37 const UnregistrationCallback& callback) {
38 unregistration_callback_ = callback;
39 }
40
41 void PrefRegistry::DeprecatedUnregisterPreference(const char* path) {
42 DCHECK(defaults_->GetValue(path, NULL)) <<
43 "Trying to unregister an unregistered pref: " << path;
44
45 defaults_->RemoveDefaultValue(path);
46
47 if (!unregistration_callback_.is_null())
48 unregistration_callback_.Run(path);
49 }
50
51 void PrefRegistry::RegisterPreference(const char* path,
52 base::Value* default_value) {
53 base::Value::Type orig_type = default_value->GetType();
54 DCHECK(orig_type != base::Value::TYPE_NULL &&
55 orig_type != base::Value::TYPE_BINARY) <<
56 "invalid preference type: " << orig_type;
57 DCHECK(!defaults_->GetValue(path, NULL)) <<
58 "Trying to register a previously registered pref: " << path;
59
60 defaults_->SetDefaultValue(path, default_value);
61
62 if (!registration_callback_.is_null())
63 registration_callback_.Run(path, default_value);
64 }
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