sync/engine/directory_commit_contributor.h

   1 // Copyright 2014 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 SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_
   6 #define SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_
   7
   8 #include <map>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "sync/engine/commit_contributor.h"
  12 #include "sync/engine/directory_commit_contribution.h"
  13 #include "sync/internal_api/public/base/model_type.h"
  14
  15 namespace syncer {
  16
  17 namespace syncable {
  18 class Directory;
  19 }
  20
  21 class DirectoryTypeDebugInfoEmitter;
  22
  23 // This class represents the syncable::Directory as a source of items to commit
  24 // to the sync server.
  25 //
  26 // Each instance of this class represents a particular type within the
  27 // syncable::Directory.  When asked, it will iterate through the directory, grab
  28 // any items of its type that are ready for commit, and return them in the form
  29 // of a DirectoryCommitContribution.
  30 class DirectoryCommitContributor : public CommitContributor {
  31  public:
  32   DirectoryCommitContributor(syncable::Directory* dir,
  33                              ModelType type,
  34                              DirectoryTypeDebugInfoEmitter* debug_info_emitter);
  35   ~DirectoryCommitContributor() override;
  36
  37   scoped_ptr<CommitContribution> GetContribution(size_t max_entries) override;
  38
  39  private:
  40   syncable::Directory* dir_;
  41   ModelType type_;
  42
  43   DirectoryTypeDebugInfoEmitter* debug_info_emitter_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(DirectoryCommitContributor);
  46 };
  47
  48 }  // namespace
  49
  50 #endif  // SYNC_ENGINE_DIRECTORY_COMMIT_CONTRIBUTOR_H_