| // Copyright 2018 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 COMPONENTS_INVALIDATION_IMPL_INVALIDATION_LISTENER_H_ |
| #define COMPONENTS_INVALIDATION_IMPL_INVALIDATION_LISTENER_H_ |
| |
| #include <string> |
| |
| namespace syncer { |
| |
| // Handlers registration and message receiving events. |
| class InvalidationListener { |
| public: |
| virtual ~InvalidationListener() {} |
| |
| /* Indicates that an object has been updated to a particular version. |
| * |
| * It is guaranteed that this callback will be invoked at least once for |
| * every invalidation that it guaranteed to deliver. It does not guarantee |
| * exactly-once delivery or in-order delivery (with respect to the version |
| * number). |
| * |
| * payload - additional info specific to the invalidations |
| * version - version of the invalidation |
| * private_topic - the internal (to FCM) representation for the public |
| * topic. |
| * public_topic - the topic, which was invalidated, e.g. in case of Chrome |
| * Sync it'll be BOOKMARK or PASSWORD |
| */ |
| virtual void Invalidate(const std::string& payload, |
| const std::string& private_topic, |
| const std::string& public_topic, |
| const std::string& version) = 0; |
| |
| /* Informs the listener about new token being available. |
| * token - instance id token, received from the network. |
| */ |
| virtual void InformTokenReceived(const std::string& token) = 0; |
| }; |
| |
| } // namespace syncer |
| |
| #endif // COMPONENTS_INVALIDATION_IMPL_INVALIDATION_LISTENER_H_ |
