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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef CHROME_BROWSER_SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_ | |
| 6 #define CHROME_BROWSER_SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <set> | |
| 10 #include <string> | |
| 11 | |
| 12 #include "base/basictypes.h" | |
| 13 #include "base/compiler_specific.h" | |
| 14 #include "chrome/browser/sync/engine/model_changing_syncer_command.h" | |
| 15 #include "chrome/browser/sync/engine/syncproto.h" | |
| 16 | |
| 17 namespace syncable { | |
| 18 class Id; | |
| 19 class WriteTransaction; | |
| 20 class MutableEntry; | |
| 21 } | |
| 22 | |
| 23 namespace browser_sync { | |
| 24 | |
| 25 class ProcessCommitResponseCommand : public ModelChangingSyncerCommand { | |
| 26 public: | |
| 27 | |
| 28 ProcessCommitResponseCommand(); | |
| 29 virtual ~ProcessCommitResponseCommand(); | |
| 30 | |
| 31 protected: | |
| 32 // ModelChangingSyncerCommand implementation. | |
| 33 virtual std::set<ModelSafeGroup> GetGroupsToChange( | |
| 34 const sessions::SyncSession& session) const OVERRIDE; | |
| 35 virtual SyncerError ModelNeutralExecuteImpl( | |
| 36 sessions::SyncSession* session) OVERRIDE; | |
| 37 virtual SyncerError ModelChangingExecuteImpl( | |
| 38 sessions::SyncSession* session) OVERRIDE; | |
| 39 | |
| 40 private: | |
| 41 CommitResponse::ResponseType ProcessSingleCommitResponse( | |
| 42 syncable::WriteTransaction* trans, | |
| 43 const sync_pb::CommitResponse_EntryResponse& pb_commit_response, | |
| 44 const sync_pb::SyncEntity& pb_committed_entry, | |
| 45 const syncable::Id& pre_commit_id, | |
| 46 std::set<syncable::Id>* conflicting_new_directory_ids, | |
| 47 std::set<syncable::Id>* deleted_folders); | |
| 48 | |
| 49 // Actually does the work of execute. | |
| 50 SyncerError ProcessCommitResponse(sessions::SyncSession* session); | |
| 51 | |
| 52 void ProcessSuccessfulCommitResponse( | |
| 53 const sync_pb::SyncEntity& committed_entry, | |
| 54 const CommitResponse_EntryResponse& entry_response, | |
| 55 const syncable::Id& pre_commit_id, syncable::MutableEntry* local_entry, | |
| 56 bool syncing_was_set, std::set<syncable::Id>* deleted_folders); | |
| 57 | |
| 58 // Update the BASE_VERSION and SERVER_VERSION, post-commit. | |
| 59 // Helper for ProcessSuccessfulCommitResponse. | |
| 60 bool UpdateVersionAfterCommit( | |
| 61 const sync_pb::SyncEntity& committed_entry, | |
| 62 const CommitResponse_EntryResponse& entry_response, | |
| 63 const syncable::Id& pre_commit_id, | |
| 64 syncable::MutableEntry* local_entry); | |
| 65 | |
| 66 // If the server generated an ID for us during a commit, apply the new ID. | |
| 67 // Helper for ProcessSuccessfulCommitResponse. | |
| 68 bool ChangeIdAfterCommit( | |
| 69 const CommitResponse_EntryResponse& entry_response, | |
| 70 const syncable::Id& pre_commit_id, | |
| 71 syncable::MutableEntry* local_entry); | |
| 72 | |
| 73 // Update the SERVER_ fields to reflect the server state after committing. | |
| 74 // Helper for ProcessSuccessfulCommitResponse. | |
| 75 void UpdateServerFieldsAfterCommit( | |
| 76 const sync_pb::SyncEntity& committed_entry, | |
| 77 const CommitResponse_EntryResponse& entry_response, | |
| 78 syncable::MutableEntry* local_entry); | |
| 79 | |
| 80 // The server can override some values during a commit; the overridden values | |
| 81 // are returned as fields in the CommitResponse_EntryResponse. This method | |
| 82 // stores the fields back in the client-visible (i.e. not the SERVER_* fields) | |
| 83 // fields of the entry. This should only be done if the item did not change | |
| 84 // locally while the commit was in flight. | |
| 85 // Helper for ProcessSuccessfulCommitResponse. | |
| 86 void OverrideClientFieldsAfterCommit( | |
| 87 const sync_pb::SyncEntity& committed_entry, | |
| 88 const CommitResponse_EntryResponse& entry_response, | |
| 89 syncable::MutableEntry* local_entry); | |
| 90 | |
| 91 // Helper to extract the final name from the protobufs. | |
| 92 const std::string& GetResultingPostCommitName( | |
| 93 const sync_pb::SyncEntity& committed_entry, | |
| 94 const CommitResponse_EntryResponse& entry_response); | |
| 95 | |
| 96 DISALLOW_COPY_AND_ASSIGN(ProcessCommitResponseCommand); | |
| 97 }; | |
| 98 | |
| 99 } // namespace browser_sync | |
| 100 | |
| 101 #endif // CHROME_BROWSER_SYNC_ENGINE_PROCESS_COMMIT_RESPONSE_COMMAND_H_ | |
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