Implement Invalidator::Acknowledge

chrome/browser/sync/profile_sync_service.h

 // Copyright (c) 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 CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_
 
 #include <list>
 #include <string>
+#include <utility>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/location.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/string16.h"
 #include "base/time.h"
@@ skipping 572 matching lines @@
 
   // InvalidationFrontend implementation.  It is an error to have
   // registered handlers when Shutdown() is called.
   virtual void RegisterInvalidationHandler(
       syncer::InvalidationHandler* handler) OVERRIDE;
   virtual void UpdateRegisteredInvalidationIds(
       syncer::InvalidationHandler* handler,
       const syncer::ObjectIdSet& ids) OVERRIDE;
   virtual void UnregisterInvalidationHandler(
       syncer::InvalidationHandler* handler) OVERRIDE;
+  virtual void AcknowledgeInvalidation(
+      const invalidation::ObjectId& id,
+      const syncer::AckHandle& ack_handle) OVERRIDE;
+
   virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
 
   // ProfileKeyedService implementation.  This must be called exactly
   // once (before this object is destroyed).
   virtual void Shutdown() OVERRIDE;
 
   // Simulate an incoming notification for the given id and payload.
   void EmitInvalidationForTest(
       const invalidation::ObjectId& id,
       const std::string& payload);
@@ skipping 54 matching lines @@
  private:
   enum UnrecoverableErrorReason {
     ERROR_REASON_UNSET,
     ERROR_REASON_SYNCER,
     ERROR_REASON_BACKEND_INIT_FAILURE,
     ERROR_REASON_CONFIGURATION_RETRY,
     ERROR_REASON_CONFIGURATION_FAILURE,
     ERROR_REASON_ACTIONABLE_ERROR,
     ERROR_REASON_LIMIT
   };
+  typedef std::vector<std::pair<invalidation::ObjectId,
+                                syncer::AckHandle> > AckHandleReplayQueue;
   friend class ProfileSyncServicePasswordTest;
   friend class SyncTest;
   friend class TestProfileSyncService;
   FRIEND_TEST_ALL_PREFIXES(ProfileSyncServiceTest, InitialState);
 
   // Detects and attempts to recover from a previous improper datatype
   // configuration where Keep Everything Synced and the preferred types were
   // not correctly set.
   void TrySyncDatatypePrefRecovery();
 
@@ skipping 207 matching lines @@
 
   // Holds the current invalidator state as updated by
   // OnInvalidatorStateChange().  Note that this is different from the
   // state known by |invalidator_registrar_| (See
   // UpdateInvalidatorState()).
   syncer::InvalidatorState invalidator_state_;
 
   // Dispatches invalidations to handlers.  Set in Initialize() and
   // unset in Shutdown().
   scoped_ptr<syncer::InvalidatorRegistrar> invalidator_registrar_;
+  // Queues any acknowledgements received while the backend is uninitialized.
+  AckHandleReplayQueue ack_replay_queue_;
 
   // Sync's internal debug info listener. Used to record datatype configuration
   // and association information.
   syncer::WeakHandle<syncer::DataTypeDebugInfoListener> debug_info_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileSyncService);
 };
 
 bool ShouldShowActionOnUI(
     const syncer::SyncProtocolError& error);
 
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_SERVICE_H_