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// Copyright 2016 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/in_memory_pref_store.h"
#include <memory>
#include <string>
#include <string_view>
#include <utility>
#include "base/observer_list.h"
#include "base/values.h"
InMemoryPrefStore::InMemoryPrefStore() = default;
InMemoryPrefStore::~InMemoryPrefStore() = default;
bool InMemoryPrefStore::GetValue(std::string_view key,
const base::Value** value) const {
return prefs_.GetValue(key, value);
}
base::Value::Dict InMemoryPrefStore::GetValues() const {
return prefs_.AsDict();
}
bool InMemoryPrefStore::GetMutableValue(std::string_view key,
base::Value** value) {
return prefs_.GetValue(key, value);
}
void InMemoryPrefStore::AddObserver(PrefStore::Observer* observer) {
observers_.AddObserver(observer);
}
void InMemoryPrefStore::RemoveObserver(PrefStore::Observer* observer) {
observers_.RemoveObserver(observer);
}
bool InMemoryPrefStore::HasObservers() const {
return !observers_.empty();
}
bool InMemoryPrefStore::IsInitializationComplete() const {
return true;
}
void InMemoryPrefStore::SetValue(std::string_view key,
base::Value value,
uint32_t flags) {
if (prefs_.SetValue(key, std::move(value)))
ReportValueChanged(key, flags);
}
void InMemoryPrefStore::SetValueSilently(std::string_view key,
base::Value value,
uint32_t flags) {
prefs_.SetValue(key, std::move(value));
}
void InMemoryPrefStore::RemoveValue(std::string_view key, uint32_t flags) {
if (prefs_.RemoveValue(key))
ReportValueChanged(key, flags);
}
void InMemoryPrefStore::RemoveValuesByPrefixSilently(std::string_view prefix) {
prefs_.ClearWithPrefix(prefix);
}
bool InMemoryPrefStore::ReadOnly() const {
return false;
}
PersistentPrefStore::PrefReadError InMemoryPrefStore::GetReadError() const {
return PersistentPrefStore::PREF_READ_ERROR_NONE;
}
PersistentPrefStore::PrefReadError InMemoryPrefStore::ReadPrefs() {
return PersistentPrefStore::PREF_READ_ERROR_NONE;
}
void InMemoryPrefStore::ReadPrefsAsync(ReadErrorDelegate* error_delegate) {
delete error_delegate;
}
void InMemoryPrefStore::ReportValueChanged(std::string_view key,
uint32_t flags) {
for (Observer& observer : observers_)
observer.OnPrefValueChanged(key);
}
bool InMemoryPrefStore::IsInMemoryPrefStore() const {
return true;
}
bool InMemoryPrefStore::HasReadErrorDelegate() const {
return false;
}
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