sync/sessions/model_type_registry.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_MODEL_TYPE_REGISTRY_H_
   6 #define SYNC_ENGINE_MODEL_TYPE_REGISTRY_H_
   7
   8 #include <map>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/stl_util.h"
  13 #include "sync/base/sync_export.h"
  14 #include "sync/internal_api/public/base/model_type.h"
  15 #include "sync/internal_api/public/engine/model_safe_worker.h"
  16
  17 namespace syncer {
  18
  19 namespace syncable {
  20 class Directory;
  21 }  // namespace syncable
  22
  23 class SyncDirectoryUpdateHandler;
  24 class SyncDirectoryCommitContributor;
  25
  26 typedef std::map<ModelType, SyncDirectoryUpdateHandler*> UpdateHandlerMap;
  27 typedef std::map<ModelType, SyncDirectoryCommitContributor*>
  28     CommitContributorMap;
  29
  30 // Keeps track of the sets of active update handlers and commit contributors.
  31 class SYNC_EXPORT_PRIVATE ModelTypeRegistry {
  32  public:
  33   ModelTypeRegistry(
  34       const std::vector<scoped_refptr<ModelSafeWorker> >& workers,
  35       syncable::Directory* directory);
  36   ~ModelTypeRegistry();
  37
  38   // Sets the set of enabled types.
  39   void SetEnabledDirectoryTypes(const ModelSafeRoutingInfo& routing_info);
  40
  41   // Simple getters.
  42   UpdateHandlerMap* update_handler_map();
  43   CommitContributorMap* commit_contributor_map();
  44
  45  private:
  46   // Classes to manage the types hooked up to receive and commit sync data.
  47   UpdateHandlerMap update_handler_map_;
  48   CommitContributorMap commit_contributor_map_;
  49
  50   // Deleter for the |update_handler_map_|.
  51   STLValueDeleter<UpdateHandlerMap> update_handler_deleter_;
  52
  53   // Deleter for the |commit_contributor_map_|.
  54   STLValueDeleter<CommitContributorMap> commit_contributor_deleter_;
  55
  56   // The known ModelSafeWorkers.
  57   std::map<ModelSafeGroup, scoped_refptr<ModelSafeWorker> > workers_map_;
  58
  59   // The directory.  Not owned.
  60   syncable::Directory* directory_;
  61
  62   DISALLOW_COPY_AND_ASSIGN(ModelTypeRegistry);
  63 };
  64
  65 }  // namespace syncer
  66
  67 #endif // SYNC_ENGINE_MODEL_TYPE_REGISTRY_H_
  68