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// Copyright 2014 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 "components/invalidation/impl/invalidator_storage.h"
#include <stddef.h>
#include <string>
#include <utility>
#include "base/base64.h"
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "components/invalidation/impl/invalidation_prefs.h"
#include "components/invalidation/impl/unacked_invalidation_set.h"
#include "components/pref_registry/pref_registry_syncable.h"
#include "components/prefs/pref_registry_simple.h"
#include "components/prefs/pref_service.h"
#include "google/cacheinvalidation/types.pb.h"
namespace {
const char kInvalidatorMaxInvalidationVersions[] =
"invalidator.max_invalidation_versions";
bool ValueToUnackedInvalidationStorageMap(
const base::ListValue& value,
syncer::UnackedInvalidationsMap* map) {
for (size_t i = 0; i != value.GetSize(); ++i) {
invalidation::ObjectId invalid_id;
syncer::UnackedInvalidationSet storage(invalid_id);
const base::DictionaryValue* dict;
if (!value.GetDictionary(i, &dict) || !storage.ResetFromValue(*dict)) {
DLOG(WARNING) << "Failed to parse ObjectState at position " << i;
return false;
}
map->insert(std::make_pair(storage.object_id(), storage));
}
return true;
}
scoped_ptr<base::ListValue> UnackedInvalidationStorageMapToValue(
const syncer::UnackedInvalidationsMap& map) {
scoped_ptr<base::ListValue> value(new base::ListValue);
for (syncer::UnackedInvalidationsMap::const_iterator it = map.begin();
it != map.end(); ++it) {
value->Append(it->second.ToValue().release());
}
return value;
}
} // namespace
namespace invalidation {
// static
void InvalidatorStorage::RegisterProfilePrefs(
user_prefs::PrefRegistrySyncable* registry) {
registry->RegisterListPref(prefs::kInvalidatorSavedInvalidations);
registry->RegisterStringPref(prefs::kInvalidatorInvalidationState,
std::string());
registry->RegisterStringPref(prefs::kInvalidatorClientId, std::string());
// This pref is obsolete. We register it so we can clear it.
// At some point in the future, it will be safe to remove this.
registry->RegisterListPref(kInvalidatorMaxInvalidationVersions);
}
// static
void InvalidatorStorage::RegisterPrefs(PrefRegistrySimple* registry) {
registry->RegisterListPref(prefs::kInvalidatorSavedInvalidations);
registry->RegisterStringPref(prefs::kInvalidatorInvalidationState,
std::string());
registry->RegisterStringPref(prefs::kInvalidatorClientId, std::string());
}
InvalidatorStorage::InvalidatorStorage(PrefService* pref_service)
: pref_service_(pref_service) {
DCHECK(pref_service_);
if (pref_service_->FindPreference(kInvalidatorMaxInvalidationVersions))
pref_service_->ClearPref(kInvalidatorMaxInvalidationVersions);
}
InvalidatorStorage::~InvalidatorStorage() {
}
void InvalidatorStorage::ClearAndSetNewClientId(const std::string& client_id) {
DCHECK(thread_checker_.CalledOnValidThread());
Clear(); // We can't reuse our old invalidation state if the ID changes.
pref_service_->SetString(prefs::kInvalidatorClientId, client_id);
}
std::string InvalidatorStorage::GetInvalidatorClientId() const {
return pref_service_->GetString(prefs::kInvalidatorClientId);
}
void InvalidatorStorage::SetBootstrapData(const std::string& data) {
DCHECK(thread_checker_.CalledOnValidThread());
std::string base64_data;
base::Base64Encode(data, &base64_data);
pref_service_->SetString(prefs::kInvalidatorInvalidationState,
base64_data);
}
std::string InvalidatorStorage::GetBootstrapData() const {
std::string base64_data(
pref_service_->GetString(prefs::kInvalidatorInvalidationState));
std::string data;
base::Base64Decode(base64_data, &data);
return data;
}
void InvalidatorStorage::SetSavedInvalidations(
const syncer::UnackedInvalidationsMap& map) {
scoped_ptr<base::ListValue> value(UnackedInvalidationStorageMapToValue(map));
pref_service_->Set(prefs::kInvalidatorSavedInvalidations, *value.get());
}
syncer::UnackedInvalidationsMap
InvalidatorStorage::GetSavedInvalidations() const {
syncer::UnackedInvalidationsMap map;
const base::ListValue* value =
pref_service_->GetList(prefs::kInvalidatorSavedInvalidations);
if (!ValueToUnackedInvalidationStorageMap(*value, &map)) {
return syncer::UnackedInvalidationsMap();
} else {
return map;
}
}
void InvalidatorStorage::Clear() {
DCHECK(thread_checker_.CalledOnValidThread());
pref_service_->ClearPref(prefs::kInvalidatorSavedInvalidations);
pref_service_->ClearPref(prefs::kInvalidatorClientId);
pref_service_->ClearPref(prefs::kInvalidatorInvalidationState);
}
} // namespace invalidation
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