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// Copyright (c) 2010 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_SYNC_GLUE_EXTENSION_SYNC_H_
#define CHROME_BROWSER_SYNC_GLUE_EXTENSION_SYNC_H_
#pragma once
// This file contains functions necessary for syncing
// extensions-related data types.
#include <map>
#include <string>
class Extension;
class ExtensionService;
class Profile;
class ProfileSyncService;
namespace sync_pb {
class ExtensionSpecifics;
} // namespace sync_pb
namespace browser_sync {
class ExtensionData;
struct ExtensionSyncTraits;
// A map from extension IDs to ExtensionData objects.
typedef std::map<std::string, ExtensionData> ExtensionDataMap;
// Fills in |has_children| with whether or not the root node with the
// given tag has child nodes. Returns true iff the lookup succeeded.
//
// TODO(akalin): Move this somewhere where it can be used by
// other data types.
bool RootNodeHasChildren(const char* tag,
ProfileSyncService* sync_service,
bool* has_children);
ExtensionService* GetExtensionServiceFromProfile(Profile* profile);
// Fills |extension_data_map| with both client-side information about
// installed extensions and the server-side information about
// extensions to be synced. Returns true iff this was successful; if
// unsuccessful, the contents of |extension_data_map| are undefined.
bool SlurpExtensionData(const ExtensionSyncTraits& traits,
ProfileSyncService* sync_service,
ExtensionDataMap* extension_data_map);
// Updates the server and client as necessary from
// |extension_data_map|. Returns true iff this was successful.
//
// NOTE(akalin): Keep in mind that updating the client is an
// asynchronous process; the only thing that's guaranteed if this
// function is returned is that the updates were successfully started.
bool FlushExtensionData(const ExtensionSyncTraits& traits,
const ExtensionDataMap& extension_data_map,
ProfileSyncService* sync_service);
// Updates the server data for the given extension. Returns true iff
// this was successful; if unsuccessful, an error string is put into
// |error|.
bool UpdateServerData(const ExtensionSyncTraits& traits,
const Extension& extension,
ProfileSyncService* sync_service,
std::string* error);
// Removes the server data for the given extension ID.
void RemoveServerData(const ExtensionSyncTraits& traits,
const std::string& id,
ProfileSyncService* sync_service);
// Starts updating the client data from the given server data.
void UpdateClient(const ExtensionSyncTraits& traits,
const sync_pb::ExtensionSpecifics& server_data,
ExtensionService* extensions_service);
// Removes existing client data for the given extension.
void RemoveFromClient(const ExtensionSyncTraits& traits,
const std::string& id,
ExtensionService* extensions_service);
} // namespace browser_sync
#endif // CHROME_BROWSER_SYNC_GLUE_EXTENSION_SYNC_H_
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