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// Copyright 2013 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_SYNC_BUNDLE_H_
#define CHROME_BROWSER_EXTENSIONS_SYNC_BUNDLE_H_
#include <set>
#include <string>
#include "base/memory/scoped_ptr.h"
#include "sync/api/sync_change.h"
#include "sync/api/sync_change_processor.h"
#include "sync/api/sync_data.h"
class ExtensionSyncService;
namespace extensions {
class Extension;
class ExtensionSyncData;
class SyncBundle {
public:
explicit SyncBundle(ExtensionSyncService* sync_service);
~SyncBundle();
void MergeDataAndStartSyncing(
const syncer::SyncDataList& initial_sync_data,
scoped_ptr<syncer::SyncChangeProcessor> sync_processor);
// Resets this class back to its default values, which will disable all
// syncing until StartSyncing is called again.
void Reset();
// Has this bundle started syncing yet?
// Returns true if MergeDataAndStartSyncing has been called, false otherwise.
bool IsSyncing() const;
// Checks if the extension with the given |id| is synced.
bool HasExtensionId(const std::string& id) const;
// Whether the given extension should be included in the SyncDataList to be
// sent to the server. Returns false if there is pending data that should be
// used instead.
bool ShouldIncludeInLocalSyncDataList(const Extension& extension) const;
// Handles the given list of local SyncDatas. This updates the set of synced
// extensions as appropriate, and then pushes the corresponding SyncChanges
// to the server.
void PushSyncDataList(const syncer::SyncDataList& sync_data_list);
// Handles the sync deletion of the given extension. This updates the set of
// synced extensions as appropriate, and then pushes a SyncChange to the
// server.
void PushSyncDeletion(const std::string& extension_id,
const syncer::SyncData& sync_data);
// Pushes any sync changes to |extension| to the server.
void PushSyncAddOrUpdate(const Extension& extension);
// Applies the given SyncChange coming from the server.
void ApplySyncChange(const syncer::SyncChange& sync_change);
// Checks if the extension with the given |id| is pending to be synced.
bool HasPendingExtensionId(const std::string& id) const;
// Adds a pending extension to be synced.
void AddPendingExtension(const std::string& id,
const ExtensionSyncData& sync_data);
// Returns a vector of all the pending sync data.
std::vector<ExtensionSyncData> GetPendingData() const;
private:
// Creates a SyncChange to add or update an extension.
syncer::SyncChange CreateSyncChange(const std::string& extension_id,
const syncer::SyncData& sync_data) const;
// Pushes the given list of SyncChanges to the server.
void PushSyncChanges(const syncer::SyncChangeList& sync_change_list);
void AddSyncedExtension(const std::string& id);
void RemoveSyncedExtension(const std::string& id);
// Changes an extension from being pending to synced.
void MarkPendingExtensionSynced(const std::string& id);
ExtensionSyncService* sync_service_; // Owns us.
scoped_ptr<syncer::SyncChangeProcessor> sync_processor_;
std::set<std::string> synced_extensions_;
std::map<std::string, ExtensionSyncData> pending_sync_data_;
DISALLOW_COPY_AND_ASSIGN(SyncBundle);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_SYNC_BUNDLE_H_
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