Separate local and remote sync invalidations

chrome/browser/sync/glue/bridged_invalidator.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_GLUE_BRIDGED_INVALIDATOR_H_
-#define CHROME_BROWSER_SYNC_GLUE_BRIDGED_INVALIDATOR_H_
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/memory/scoped_ptr.h"
-#include "sync/notifier/invalidator.h"
-
-namespace browser_sync {
-
-class ChromeSyncNotificationBridge;
-
-// An Invalidator implementation that wraps a ChromeSyncNotificationBridge
-// and optionally an Invalidator delegate (which it takes ownership of).
-// All Invalidator calls are passed straight through to the delegate,
-// with the exception of RegisterHandler, UpdateRegisteredIds, and
-// UnregisterHandler, which result in the handler being registered, updated,
-// and unregistered with the ChromeSyncNotificationBridge, respectively.
-class BridgedInvalidator : public syncer::Invalidator {
- public:
-  // Does not take ownership of |bridge|. Takes ownership of
-  // |delegate|.  |delegate| may be NULL.  |default_invalidator_state|
-  // is used by GetInvalidatorState() if |delegate| is NULL.
-  BridgedInvalidator(ChromeSyncNotificationBridge* bridge,
-                     syncer::Invalidator* delegate,
-                     syncer::InvalidatorState default_invalidator_state);
-  virtual ~BridgedInvalidator();
-
-  // Invalidator implementation. Passes through all calls to the delegate.
-  // RegisterHandler, UpdateRegisteredIds, and UnregisterHandler calls will
-  // also be forwarded to the bridge.
-  virtual void RegisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
-  virtual void UpdateRegisteredIds(syncer::InvalidationHandler * handler,
-                                   const syncer::ObjectIdSet& ids) OVERRIDE;
-  virtual void UnregisterHandler(syncer::InvalidationHandler* handler) OVERRIDE;
-  virtual syncer::InvalidatorState GetInvalidatorState() const OVERRIDE;
-  virtual void SetUniqueId(const std::string& unique_id) OVERRIDE;
-  virtual void SetStateDeprecated(const std::string& state) OVERRIDE;
-  virtual void UpdateCredentials(
-      const std::string& email, const std::string& token) OVERRIDE;
-  virtual void SendInvalidation(
-      const syncer::ObjectIdInvalidationMap& invalidation_map) OVERRIDE;
-
- private:
-  // The notification bridge that we register the observers with.
-  ChromeSyncNotificationBridge* const bridge_;
-
-  // The delegate we are wrapping.
-  const scoped_ptr<syncer::Invalidator> delegate_;
-
-  const syncer::InvalidatorState default_invalidator_state_;
-
-  DISALLOW_COPY_AND_ASSIGN(BridgedInvalidator);
-};
-
-}  // namespace browser_sync
-
-#endif  // CHROME_BROWSER_SYNC_GLUE_BRIDGED_INVALIDATOR_H_