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// 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 "chrome/browser/extensions/api/storage/settings_sync_util.h"
#include "base/functional/bind.h"
#include "base/json/json_writer.h"
#include "base/values.h"
#include "chrome/browser/extensions/api/storage/sync_value_store_cache.h"
#include "components/sync/protocol/app_setting_specifics.pb.h"
#include "components/sync/protocol/entity_specifics.pb.h"
#include "components/sync/protocol/extension_setting_specifics.pb.h"
#include "content/public/browser/browser_thread.h"
#include "extensions/browser/api/storage/backend_task_runner.h"
#include "extensions/browser/api/storage/storage_frontend.h"
#include "extensions/common/extension_id.h"
namespace extensions {
namespace settings_sync_util {
namespace {
base::WeakPtr<syncer::SyncableService> GetSyncableServiceOnBackendSequence(
base::WeakPtr<SyncValueStoreCache> sync_cache,
syncer::DataType type) {
DCHECK(IsOnBackendSequence());
if (!sync_cache)
return nullptr;
return sync_cache->GetSyncableService(type)->AsWeakPtr();
}
void PopulateExtensionSettingSpecifics(
const ExtensionId& extension_id,
const std::string& key,
const base::Value& value,
sync_pb::ExtensionSettingSpecifics* specifics) {
specifics->set_extension_id(extension_id);
specifics->set_key(key);
{
std::string value_as_json;
base::JSONWriter::Write(value, &value_as_json);
specifics->set_value(value_as_json);
}
}
void PopulateAppSettingSpecifics(const ExtensionId& extension_id,
const std::string& key,
const base::Value& value,
sync_pb::AppSettingSpecifics* specifics) {
PopulateExtensionSettingSpecifics(
extension_id, key, value, specifics->mutable_extension_setting());
}
} // namespace
syncer::SyncData CreateData(const ExtensionId& extension_id,
const std::string& key,
const base::Value& value,
syncer::DataType type) {
sync_pb::EntitySpecifics specifics;
switch (type) {
case syncer::EXTENSION_SETTINGS:
PopulateExtensionSettingSpecifics(
extension_id,
key,
value,
specifics.mutable_extension_setting());
break;
case syncer::APP_SETTINGS:
PopulateAppSettingSpecifics(
extension_id,
key,
value,
specifics.mutable_app_setting());
break;
default:
NOTREACHED();
}
return syncer::SyncData::CreateLocalData(
extension_id + "/" + key, key, specifics);
}
syncer::SyncChange CreateAdd(const ExtensionId& extension_id,
const std::string& key,
const base::Value& value,
syncer::DataType type) {
return syncer::SyncChange(
FROM_HERE,
syncer::SyncChange::ACTION_ADD,
CreateData(extension_id, key, value, type));
}
syncer::SyncChange CreateUpdate(const ExtensionId& extension_id,
const std::string& key,
const base::Value& value,
syncer::DataType type) {
return syncer::SyncChange(
FROM_HERE,
syncer::SyncChange::ACTION_UPDATE,
CreateData(extension_id, key, value, type));
}
syncer::SyncChange CreateDelete(const ExtensionId& extension_id,
const std::string& key,
syncer::DataType type) {
return syncer::SyncChange(
FROM_HERE, syncer::SyncChange::ACTION_DELETE,
CreateData(extension_id, key, base::Value(base::Value::Dict()), type));
}
base::OnceCallback<base::WeakPtr<syncer::SyncableService>()>
GetSyncableServiceProvider(content::BrowserContext* context,
syncer::DataType type) {
DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
DCHECK(context);
DCHECK(type == syncer::APP_SETTINGS || type == syncer::EXTENSION_SETTINGS);
StorageFrontend* frontend = StorageFrontend::Get(context);
// StorageFrontend can be null in tests.
if (!frontend) {
return base::BindOnce(
[]() { return base::WeakPtr<syncer::SyncableService>(); });
}
SyncValueStoreCache* sync_cache = static_cast<SyncValueStoreCache*>(
frontend->GetValueStoreCache(settings_namespace::SYNC));
DCHECK(sync_cache);
return base::BindOnce(&GetSyncableServiceOnBackendSequence,
sync_cache->AsWeakPtr(), type);
}
} // namespace settings_sync_util
} // namespace extensions
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