85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
// Copyright 2012 The Chromium Authors
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#include "components/prefs/pref_registry.h"
|
|
|
|
#include <ostream>
|
|
#include <utility>
|
|
|
|
#include "base/check_op.h"
|
|
#include "base/containers/contains.h"
|
|
#include "base/values.h"
|
|
#include "components/prefs/default_pref_store.h"
|
|
#include "components/prefs/pref_store.h"
|
|
|
|
PrefRegistry::PrefRegistry()
|
|
: defaults_(base::MakeRefCounted<DefaultPrefStore>()) {}
|
|
|
|
PrefRegistry::~PrefRegistry() {
|
|
}
|
|
|
|
uint32_t PrefRegistry::GetRegistrationFlags(
|
|
const std::string& pref_name) const {
|
|
const auto& it = registration_flags_.find(pref_name);
|
|
return it != registration_flags_.end() ? it->second : NO_REGISTRATION_FLAGS;
|
|
}
|
|
|
|
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 std::string& pref_name,
|
|
base::Value value) {
|
|
const base::Value* current_value = nullptr;
|
|
DCHECK(defaults_->GetValue(pref_name, ¤t_value))
|
|
<< "Setting default for unregistered pref: " << pref_name;
|
|
DCHECK(value.type() == current_value->type())
|
|
<< "Wrong type for new default: " << pref_name;
|
|
|
|
defaults_->ReplaceDefaultValue(pref_name, std::move(value));
|
|
}
|
|
|
|
void PrefRegistry::SetDefaultForeignPrefValue(const std::string& path,
|
|
base::Value default_value,
|
|
uint32_t flags) {
|
|
auto erased = foreign_pref_keys_.erase(path);
|
|
DCHECK_EQ(1u, erased);
|
|
RegisterPreference(path, std::move(default_value), flags);
|
|
}
|
|
|
|
void PrefRegistry::RegisterPreference(const std::string& path,
|
|
base::Value default_value,
|
|
uint32_t flags) {
|
|
base::Value::Type orig_type = default_value.type();
|
|
DCHECK(orig_type != base::Value::Type::NONE &&
|
|
orig_type != base::Value::Type::BINARY) <<
|
|
"invalid preference type: " << orig_type;
|
|
DCHECK(!defaults_->GetValue(path, nullptr))
|
|
<< "Trying to register a previously registered pref: " << path;
|
|
DCHECK(!base::Contains(registration_flags_, path))
|
|
<< "Trying to register a previously registered pref: " << path;
|
|
|
|
defaults_->SetDefaultValue(path, std::move(default_value));
|
|
if (flags != NO_REGISTRATION_FLAGS)
|
|
registration_flags_[path] = flags;
|
|
|
|
OnPrefRegistered(path, flags);
|
|
}
|
|
|
|
void PrefRegistry::RegisterForeignPref(const std::string& path) {
|
|
bool inserted = foreign_pref_keys_.insert(path).second;
|
|
DCHECK(inserted);
|
|
}
|
|
|
|
void PrefRegistry::OnPrefRegistered(const std::string& path,
|
|
uint32_t flags) {}
|