chrome/browser/sync_file_system/conflict_resolution_resolver.h

   1 // Copyright 2013 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_FILE_SYSTEM_CONFLICT_RESOLUTION_RESOLVER_H_
   6 #define CHROME_BROWSER_SYNC_FILE_SYSTEM_CONFLICT_RESOLUTION_RESOLVER_H_
   7
   8 #include "chrome/browser/sync_file_system/conflict_resolution_policy.h"
   9 #include "chrome/browser/sync_file_system/sync_file_type.h"
  10
  11 namespace base {
  12 class Time;
  13 }
  14
  15 namespace sync_file_system {
  16
  17 enum ConflictResolution {
  18   CONFLICT_RESOLUTION_UNKNOWN,
  19   CONFLICT_RESOLUTION_MARK_CONFLICT,
  20   CONFLICT_RESOLUTION_LOCAL_WIN,
  21   CONFLICT_RESOLUTION_REMOTE_WIN,
  22 };
  23
  24 class ConflictResolutionResolver {
  25  public:
  26   explicit ConflictResolutionResolver(ConflictResolutionPolicy policy);
  27   ~ConflictResolutionResolver();
  28
  29   // Determine the ConflictResolution.
  30   // This may return CONFLICT_RESOLUTION_UNKNOWN if NULL |remote_update_time|
  31   // is given.
  32   // It is invalid to give NULL |local_update_time|.
  33   ConflictResolution Resolve(
  34         SyncFileType local_file_type,
  35         const base::Time& local_update_time,
  36         SyncFileType remote_file_type,
  37         const base::Time& remote_update_time);
  38
  39   ConflictResolutionPolicy policy() const { return policy_; }
  40   void set_policy(ConflictResolutionPolicy policy) { policy_ = policy; }
  41
  42  private:
  43   ConflictResolutionPolicy policy_;
  44 };
  45
  46 }  // namespace sync_file_system
  47
  48 #endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_CONFLICT_RESOLUTION_RESOLVER_H_