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// 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.
#ifndef CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTING_SYNC_DATA_H_
#define CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTING_SYNC_DATA_H_
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/values.h"
#include "sync/api/sync_change.h"
namespace syncer {
class SyncData;
}
namespace sync_pb {
class ExtensionSettingSpecifics;
}
namespace extensions {
// Container for data interpreted from sync data/changes for an extension or
// app setting. Safe and efficient to copy.
class SettingSyncData {
public:
// Creates from a sync change.
explicit SettingSyncData(const syncer::SyncChange& sync_change);
// Creates from sync data. |change_type| will be ACTION_INVALID.
explicit SettingSyncData(const syncer::SyncData& sync_data);
// Creates explicitly.
SettingSyncData(
syncer::SyncChange::SyncChangeType change_type,
const std::string& extension_id,
const std::string& key,
scoped_ptr<base::Value> value);
~SettingSyncData();
// Returns the type of the sync change; may be ACTION_INVALID.
syncer::SyncChange::SyncChangeType change_type() const;
// Returns the extension id the setting is for.
const std::string& extension_id() const;
// Returns the settings key.
const std::string& key() const;
// Returns the value of the setting.
const base::Value& value() const;
private:
// Ref-counted container for the data.
// TODO(kalman): Use browser_sync::Immutable<Internal>.
class Internal : public base::RefCountedThreadSafe<Internal> {
public:
Internal(
syncer::SyncChange::SyncChangeType change_type,
const std::string& extension_id,
const std::string& key,
scoped_ptr<base::Value> value);
syncer::SyncChange::SyncChangeType change_type_;
std::string extension_id_;
std::string key_;
scoped_ptr<base::Value> value_;
private:
friend class base::RefCountedThreadSafe<Internal>;
~Internal();
};
// Initializes internal_ from sync data for an extension or app setting.
void Init(syncer::SyncChange::SyncChangeType change_type,
const syncer::SyncData& sync_data);
// Initializes internal_ from extension specifics.
void InitFromExtensionSettingSpecifics(
syncer::SyncChange::SyncChangeType change_type,
const sync_pb::ExtensionSettingSpecifics& specifics);
scoped_refptr<Internal> internal_;
};
typedef std::vector<SettingSyncData> SettingSyncDataList;
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_API_STORAGE_SETTING_SYNC_DATA_H_
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