Make use of InvalidationService

sync/internal_api/public/sync_manager.h

 // Copyright 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_INTERNAL_API_PUBLIC_SYNC_MANAGER_H_
 #define SYNC_INTERNAL_API_PUBLIC_SYNC_MANAGER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "base/memory/ref_counted.h"
 #include "base/task_runner.h"
 #include "base/threading/thread_checker.h"
 #include "sync/base/sync_export.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/change_record.h"
 #include "sync/internal_api/public/configure_reason.h"
 #include "sync/internal_api/public/engine/model_safe_worker.h"
 #include "sync/internal_api/public/engine/sync_status.h"
 #include "sync/internal_api/public/sync_encryption_handler.h"
 #include "sync/internal_api/public/util/report_unrecoverable_error_function.h"
 #include "sync/internal_api/public/util/weak_handle.h"
-#include "sync/notifier/invalidation_util.h"
+#include "sync/notifier/invalidation_handler.h"
 #include "sync/protocol/sync_protocol_error.h"
 
 namespace sync_pb {
 class EncryptedData;
 }  // namespace sync_pb
 
 namespace syncer {
 
 class BaseTransaction;
 class DataTypeDebugInfoListener;
 class Encryptor;
 struct Experiments;
 class ExtensionsActivityMonitor;
 class HttpPostProviderFactory;
 class InternalComponentsFactory;
-class InvalidationHandler;
-class Invalidator;
 class JsBackend;
 class JsEventHandler;
 class SyncEncryptionHandler;
 class SyncScheduler;
 class UnrecoverableErrorHandler;
 struct UserShare;
 
 namespace sessions {
 class SyncSessionSnapshot;
 }  // namespace sessions
@@ skipping 14 matching lines @@
 };
 
 // SyncManager encapsulates syncable::Directory and serves as the parent of all
 // other objects in the sync API.  If multiple threads interact with the same
 // local sync repository (i.e. the same sqlite database), they should share a
 // single SyncManager instance.  The caller should typically create one
 // SyncManager for the lifetime of a user session.
 //
 // Unless stated otherwise, all methods of SyncManager should be called on the
 // same thread.
-class SYNC_EXPORT SyncManager {
+class SYNC_EXPORT SyncManager : public syncer::InvalidationHandler {
  public:
   // An interface the embedding application implements to be notified
   // on change events.  Note that these methods may be called on *any*
   // thread.
   class SYNC_EXPORT ChangeDelegate {
    public:
     // Notify the delegate that changes have been applied to the sync model.
     //
     // This will be invoked on the same thread as on which ApplyChanges was
     // called. |changes| is an array of size |change_count|, and contains the
@@ skipping 219 matching lines @@
       const base::FilePath& database_location,
       const WeakHandle<JsEventHandler>& event_handler,
       const std::string& sync_server_and_path,
       int sync_server_port,
       bool use_ssl,
       scoped_ptr<HttpPostProviderFactory> post_factory,
       const std::vector<ModelSafeWorker*>& workers,
       ExtensionsActivityMonitor* extensions_activity_monitor,
       ChangeDelegate* change_delegate,
       const SyncCredentials& credentials,
-      scoped_ptr<Invalidator> invalidator,
       const std::string& invalidator_client_id,
       const std::string& restored_key_for_bootstrapping,
       const std::string& restored_keystore_key_for_bootstrapping,
       scoped_ptr<InternalComponentsFactory> internal_components_factory,
       Encryptor* encryptor,
       UnrecoverableErrorHandler* unrecoverable_error_handler,
       ReportUnrecoverableErrorFunction report_unrecoverable_error_function,
       bool use_oauth2_token) = 0;
 
   // Throw an unrecoverable error from a transaction (mostly used for
   // testing).
   virtual void ThrowUnrecoverableError() = 0;
 
   virtual ModelTypeSet InitialSyncEndedTypes() = 0;
 
   // Returns those types within |types| that have an empty progress marker
   // token.
   virtual ModelTypeSet GetTypesWithEmptyProgressMarkerToken(
       ModelTypeSet types) = 0;
 
   // Purge from the directory those types with non-empty progress markers
   // but without initial synced ended set.
   // Returns false if an error occurred, true otherwise.
   virtual bool PurgePartiallySyncedTypes() = 0;
 
   // Update tokens that we're using in Sync. Email must stay the same.
   virtual void UpdateCredentials(const SyncCredentials& credentials) = 0;
 
-  // Called when the user disables or enables a sync type.
-  virtual void UpdateEnabledTypes(ModelTypeSet enabled_types) = 0;
-
-  // Forwards to the underlying invalidator (see comments in invalidator.h).
-  virtual void RegisterInvalidationHandler(
-      InvalidationHandler* handler) = 0;
-
-  // Forwards to the underlying notifier (see comments in invalidator.h).
-  virtual void UpdateRegisteredInvalidationIds(
-      InvalidationHandler* handler,
-      const ObjectIdSet& ids) = 0;
-
-  // Forwards to the underlying notifier (see comments in invalidator.h).
-  virtual void UnregisterInvalidationHandler(
-      InvalidationHandler* handler) = 0;
-
-  // Forwards to the underlying notifier (see comments in invalidator.h).
-  virtual void AcknowledgeInvalidation(
-      const invalidation::ObjectId& id,
-      const syncer::AckHandle& ack_handle) = 0;
-
   // Put the syncer in normal mode ready to perform nudges and polls.
   virtual void StartSyncingNormally(
       const ModelSafeRoutingInfo& routing_info) = 0;
 
   // Switches the mode of operation to CONFIGURATION_MODE and performs
   // any configuration tasks needed as determined by the params. Once complete,
   // syncer will remain in CONFIGURATION_MODE until StartSyncingNormally is
   // called.
   // Data whose types are not in |new_routing_info| are purged from sync
   // directory, unless they're part of |to_ignore|, in which case they're left
   // untouched. The purged data is backed up in delete journal for recovery in
   // next session if its type is in |to_journal|. If in |to_unapply|
   // only the local data is removed; the server data is preserved.
   // |ready_task| is invoked when the configuration completes.
   // |retry_task| is invoked if the configuration job could not immediately
   //              execute. |ready_task| will still be called when it eventually
   //              does finish.
   virtual void ConfigureSyncer(
       ConfigureReason reason,
       ModelTypeSet to_download,
       ModelTypeSet to_journal,
       ModelTypeSet to_unapply,
       ModelTypeSet to_ignore,
       const ModelSafeRoutingInfo& new_routing_info,
       const base::Closure& ready_task,
       const base::Closure& retry_task) = 0;
 
+  // Inform the syncer of a change in the invalidator's state.
+  virtual void OnInvalidatorStateChange(InvalidatorState state) = 0;
+
+  // Inform the syncer that its cached information about a type is obsolete.
+  virtual void OnIncomingInvalidation(
+      const ObjectIdInvalidationMap& invalidation_map) = 0;
+
   // Adds a listener to be notified of sync events.
   // NOTE: It is OK (in fact, it's probably a good idea) to call this before
   // having received OnInitializationCompleted.
   virtual void AddObserver(Observer* observer) = 0;
 
   // Remove the given observer.  Make sure to call this if the
   // Observer is being destroyed so the SyncManager doesn't
   // potentially dereference garbage.
   virtual void RemoveObserver(Observer* observer) = 0;
 
@@ skipping 37 matching lines @@
   // Returns the SyncManager's encryption handler.
   virtual SyncEncryptionHandler* GetEncryptionHandler() = 0;
 
   // Ask the SyncManager to fetch updates for the given types.
   virtual void RefreshTypes(ModelTypeSet types) = 0;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_SYNC_MANAGER_H_