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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 SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
#define SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
#pragma once
#include <set>
#include <string>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "sync/engine/model_changing_syncer_command.h"
#include "sync/engine/syncproto.h"
namespace syncable {
class Id;
class WriteTransaction;
class MutableEntry;
}
namespace browser_sync {
class ProcessCommitResponseCommand : public ModelChangingSyncerCommand {
public:
ProcessCommitResponseCommand();
virtual ~ProcessCommitResponseCommand();
protected:
// ModelChangingSyncerCommand implementation.
virtual std::set<ModelSafeGroup> GetGroupsToChange(
const sessions::SyncSession& session) const OVERRIDE;
virtual SyncerError ModelNeutralExecuteImpl(
sessions::SyncSession* session) OVERRIDE;
virtual SyncerError ModelChangingExecuteImpl(
sessions::SyncSession* session) OVERRIDE;
private:
CommitResponse::ResponseType ProcessSingleCommitResponse(
syncable::WriteTransaction* trans,
const sync_pb::CommitResponse_EntryResponse& pb_commit_response,
const sync_pb::SyncEntity& pb_committed_entry,
const syncable::Id& pre_commit_id,
std::set<syncable::Id>* conflicting_new_directory_ids,
std::set<syncable::Id>* deleted_folders);
// Actually does the work of execute.
SyncerError ProcessCommitResponse(sessions::SyncSession* session);
void ProcessSuccessfulCommitResponse(
const sync_pb::SyncEntity& committed_entry,
const CommitResponse_EntryResponse& entry_response,
const syncable::Id& pre_commit_id, syncable::MutableEntry* local_entry,
bool syncing_was_set, std::set<syncable::Id>* deleted_folders);
// Update the BASE_VERSION and SERVER_VERSION, post-commit.
// Helper for ProcessSuccessfulCommitResponse.
bool UpdateVersionAfterCommit(
const sync_pb::SyncEntity& committed_entry,
const CommitResponse_EntryResponse& entry_response,
const syncable::Id& pre_commit_id,
syncable::MutableEntry* local_entry);
// If the server generated an ID for us during a commit, apply the new ID.
// Helper for ProcessSuccessfulCommitResponse.
bool ChangeIdAfterCommit(
const CommitResponse_EntryResponse& entry_response,
const syncable::Id& pre_commit_id,
syncable::MutableEntry* local_entry);
// Update the SERVER_ fields to reflect the server state after committing.
// Helper for ProcessSuccessfulCommitResponse.
void UpdateServerFieldsAfterCommit(
const sync_pb::SyncEntity& committed_entry,
const CommitResponse_EntryResponse& entry_response,
syncable::MutableEntry* local_entry);
// The server can override some values during a commit; the overridden values
// are returned as fields in the CommitResponse_EntryResponse. This method
// stores the fields back in the client-visible (i.e. not the SERVER_* fields)
// fields of the entry. This should only be done if the item did not change
// locally while the commit was in flight.
// Helper for ProcessSuccessfulCommitResponse.
void OverrideClientFieldsAfterCommit(
const sync_pb::SyncEntity& committed_entry,
const CommitResponse_EntryResponse& entry_response,
syncable::MutableEntry* local_entry);
// Helper to extract the final name from the protobufs.
const std::string& GetResultingPostCommitName(
const sync_pb::SyncEntity& committed_entry,
const CommitResponse_EntryResponse& entry_response);
DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommand);
};
} // namespace browser_sync
#endif // SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_
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