| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/prefs/pref_registry.h" |
| |
| #include "base/logging.h" |
| #include "base/prefs/default_pref_store.h" |
| #include "base/prefs/pref_store.h" |
| #include "base/values.h" |
| |
| PrefRegistry::PrefRegistry() |
| : defaults_(new DefaultPrefStore()) { |
| } |
| |
| PrefRegistry::~PrefRegistry() { |
| } |
| |
| scoped_refptr<PrefStore> PrefRegistry::defaults() { |
| return defaults_.get(); |
| } |
| |
| PrefRegistry::const_iterator PrefRegistry::begin() const { |
| return defaults_->begin(); |
| } |
| |
| PrefRegistry::const_iterator PrefRegistry::end() const { |
| return defaults_->end(); |
| } |
| |
| void PrefRegistry::SetDefaultPrefValue(const char* pref_name, |
| base::Value* value) { |
| DCHECK(value); |
| const base::Value* current_value = NULL; |
| DCHECK(defaults_->GetValue(pref_name, ¤t_value)) |
| << "Setting default for unregistered pref: " << pref_name; |
| DCHECK(value->IsType(current_value->GetType())) |
| << "Wrong type for new default: " << pref_name; |
| |
| defaults_->ReplaceDefaultValue(pref_name, make_scoped_ptr(value)); |
| } |
| |
| void PrefRegistry::RegisterPreference(const char* path, |
| base::Value* default_value) { |
| base::Value::Type orig_type = default_value->GetType(); |
| DCHECK(orig_type != base::Value::TYPE_NULL && |
| orig_type != base::Value::TYPE_BINARY) << |
| "invalid preference type: " << orig_type; |
| DCHECK(!defaults_->GetValue(path, NULL)) << |
| "Trying to register a previously registered pref: " << path; |
| |
| defaults_->SetDefaultValue(path, make_scoped_ptr(default_value)); |
| } |