sync/tools/null_invalidation_state_tracker.cc

   1 // Copyright (c) 2012 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 #include "sync/tools/null_invalidation_state_tracker.h"
   6
   7 #include "base/base64.h"
   8 #include "base/bind.h"
   9 #include "base/callback.h"
  10 #include "base/location.h"
  11 #include "base/logging.h"
  12 #include "base/task_runner.h"
  13 #include "components/invalidation/public/invalidation_util.h"
  14
  15 namespace syncer {
  16
  17 NullInvalidationStateTracker::NullInvalidationStateTracker() {}
  18 NullInvalidationStateTracker::~NullInvalidationStateTracker() {}
  19
  20 void NullInvalidationStateTracker::ClearAndSetNewClientId(
  21     const std::string& data) {
  22   LOG(INFO) << "Setting invalidator client ID to: " << data;
  23 }
  24
  25 std::string NullInvalidationStateTracker::GetInvalidatorClientId() const {
  26   // The caller of this function is probably looking for an ID it can use to
  27   // identify this client as the originator of some notifiable change.  It does
  28   // this so the invalidation server can prevent it from being notified of its
  29   // own changes.  This invalidation state tracker doesn't remember its ID, so
  30   // it can't support this feature.
  31   NOTREACHED() << "This state tracker does not support reflection-blocking";
  32   return std::string();
  33 }
  34
  35 std::string NullInvalidationStateTracker::GetBootstrapData() const {
  36   return std::string();
  37 }
  38
  39 void NullInvalidationStateTracker::SetBootstrapData(const std::string& data) {
  40   std::string base64_data;
  41   base::Base64Encode(data, &base64_data);
  42   LOG(INFO) << "Setting bootstrap data to: " << base64_data;
  43 }
  44
  45 void NullInvalidationStateTracker::Clear() {
  46   // We have no members to clear.
  47 }
  48
  49 void NullInvalidationStateTracker::SetSavedInvalidations(
  50     const UnackedInvalidationsMap& states) {
  51   // Do nothing.
  52 }
  53
  54 UnackedInvalidationsMap
  55 NullInvalidationStateTracker::GetSavedInvalidations() const {
  56   return UnackedInvalidationsMap();
  57 }
  58
  59 }  // namespace syncer