sync/engine/get_updates_delegate.cc

   1 // Copyright 2014 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/engine/get_updates_delegate.h"
   6
   7 #include "sync/engine/directory_update_handler.h"
   8 #include "sync/engine/get_updates_processor.h"
   9 #include "sync/internal_api/public/events/configure_get_updates_request_event.h"
  10 #include "sync/internal_api/public/events/normal_get_updates_request_event.h"
  11 #include "sync/internal_api/public/events/poll_get_updates_request_event.h"
  12
  13 namespace syncer {
  14
  15 namespace {
  16
  17 void NonPassiveApplyUpdates(
  18     ModelTypeSet gu_types,
  19     sessions::StatusController* status_controller,
  20     UpdateHandlerMap* update_handler_map) {
  21   for (UpdateHandlerMap::iterator it = update_handler_map->begin();
  22        it != update_handler_map->end(); ++it) {
  23     if (gu_types.Has(it->first))
  24       it->second->ApplyUpdates(status_controller);
  25   }
  26 }
  27
  28 void PassiveApplyUpdates(
  29     ModelTypeSet gu_types,
  30     sessions::StatusController* status_controller,
  31     UpdateHandlerMap* update_handler_map) {
  32   for (UpdateHandlerMap::iterator it = update_handler_map->begin();
  33        it != update_handler_map->end(); ++it) {
  34     if (gu_types.Has(it->first))
  35       it->second->PassiveApplyUpdates(status_controller);
  36   }
  37 }
  38
  39 }  // namespace
  40
  41 GetUpdatesDelegate::GetUpdatesDelegate() {}
  42
  43 GetUpdatesDelegate::~GetUpdatesDelegate() {}
  44
  45 NormalGetUpdatesDelegate::NormalGetUpdatesDelegate(
  46     const sessions::NudgeTracker& nudge_tracker)
  47   : nudge_tracker_(nudge_tracker) {}
  48
  49 NormalGetUpdatesDelegate::~NormalGetUpdatesDelegate() {}
  50
  51 // This function assumes the progress markers have already been populated.
  52 void NormalGetUpdatesDelegate::HelpPopulateGuMessage(
  53     sync_pb::GetUpdatesMessage* get_updates) const {
  54   // Set legacy GetUpdatesMessage.GetUpdatesCallerInfo information.
  55   get_updates->mutable_caller_info()->set_source(
  56       nudge_tracker_.GetLegacySource());
  57
  58   // Set the new and improved version of source, too.
  59   get_updates->set_get_updates_origin(sync_pb::SyncEnums::GU_TRIGGER);
  60   get_updates->set_is_retry(nudge_tracker_.IsRetryRequired());
  61
  62   // Special case: A GU performed for no other reason than retry will have its
  63   // origin set to RETRY.
  64   if (nudge_tracker_.GetLegacySource() == sync_pb::GetUpdatesCallerInfo::RETRY)
  65     get_updates->set_get_updates_origin(sync_pb::SyncEnums::RETRY);
  66
  67   // Fill in the notification hints.
  68   for (int i = 0; i < get_updates->from_progress_marker_size(); ++i) {
  69     sync_pb::DataTypeProgressMarker* progress_marker =
  70         get_updates->mutable_from_progress_marker(i);
  71     ModelType type = GetModelTypeFromSpecificsFieldNumber(
  72         progress_marker->data_type_id());
  73
  74     DCHECK(!nudge_tracker_.IsTypeThrottled(type))
  75         << "Throttled types should have been removed from the request_types.";
  76
  77     nudge_tracker_.SetLegacyNotificationHint(type, progress_marker);
  78     nudge_tracker_.FillProtoMessage(
  79         type,
  80         progress_marker->mutable_get_update_triggers());
  81   }
  82 }
  83
  84 void NormalGetUpdatesDelegate::ApplyUpdates(
  85     ModelTypeSet gu_types,
  86     sessions::StatusController* status_controller,
  87     UpdateHandlerMap* update_handler_map) const {
  88   NonPassiveApplyUpdates(gu_types, status_controller, update_handler_map);
  89 }
  90
  91 scoped_ptr<ProtocolEvent> NormalGetUpdatesDelegate::GetNetworkRequestEvent(
  92     base::Time timestamp,
  93     const sync_pb::ClientToServerMessage& request) const {
  94   return scoped_ptr<ProtocolEvent>(
  95       new NormalGetUpdatesRequestEvent(timestamp, nudge_tracker_, request));
  96 }
  97
  98 ConfigureGetUpdatesDelegate::ConfigureGetUpdatesDelegate(
  99     sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source) : source_(source) {}
 100
 101 ConfigureGetUpdatesDelegate::~ConfigureGetUpdatesDelegate() {}
 102
 103 void ConfigureGetUpdatesDelegate::HelpPopulateGuMessage(
 104     sync_pb::GetUpdatesMessage* get_updates) const {
 105   get_updates->mutable_caller_info()->set_source(source_);
 106   get_updates->set_get_updates_origin(ConvertConfigureSourceToOrigin(source_));
 107 }
 108
 109 void ConfigureGetUpdatesDelegate::ApplyUpdates(
 110     ModelTypeSet gu_types,
 111     sessions::StatusController* status_controller,
 112     UpdateHandlerMap* update_handler_map) const {
 113   PassiveApplyUpdates(gu_types, status_controller, update_handler_map);
 114 }
 115
 116 scoped_ptr<ProtocolEvent> ConfigureGetUpdatesDelegate::GetNetworkRequestEvent(
 117     base::Time timestamp,
 118     const sync_pb::ClientToServerMessage& request) const {
 119   return scoped_ptr<ProtocolEvent>(
 120       new ConfigureGetUpdatesRequestEvent(
 121           timestamp,
 122           ConvertConfigureSourceToOrigin(source_),
 123           request));
 124 }
 125
 126 sync_pb::SyncEnums::GetUpdatesOrigin
 127 ConfigureGetUpdatesDelegate::ConvertConfigureSourceToOrigin(
 128     sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source) {
 129   switch (source) {
 130     // Configurations:
 131     case sync_pb::GetUpdatesCallerInfo::NEWLY_SUPPORTED_DATATYPE:
 132       return sync_pb::SyncEnums::NEWLY_SUPPORTED_DATATYPE;
 133     case sync_pb::GetUpdatesCallerInfo::MIGRATION:
 134       return sync_pb::SyncEnums::MIGRATION;
 135     case sync_pb::GetUpdatesCallerInfo::RECONFIGURATION:
 136       return sync_pb::SyncEnums::RECONFIGURATION;
 137     case sync_pb::GetUpdatesCallerInfo::NEW_CLIENT:
 138       return sync_pb::SyncEnums::NEW_CLIENT;
 139     default:
 140       NOTREACHED();
 141       return sync_pb::SyncEnums::UNKNOWN_ORIGIN;
 142   }
 143 }
 144
 145 PollGetUpdatesDelegate::PollGetUpdatesDelegate() {}
 146
 147 PollGetUpdatesDelegate::~PollGetUpdatesDelegate() {}
 148
 149 void PollGetUpdatesDelegate::HelpPopulateGuMessage(
 150     sync_pb::GetUpdatesMessage* get_updates) const {
 151   // Set legacy GetUpdatesMessage.GetUpdatesCallerInfo information.
 152   get_updates->mutable_caller_info()->set_source(
 153       sync_pb::GetUpdatesCallerInfo::PERIODIC);
 154
 155   // Set the new and improved version of source, too.
 156   get_updates->set_get_updates_origin(sync_pb::SyncEnums::PERIODIC);
 157 }
 158
 159 void PollGetUpdatesDelegate::ApplyUpdates(
 160     ModelTypeSet gu_types,
 161     sessions::StatusController* status_controller,
 162     UpdateHandlerMap* update_handler_map) const {
 163   NonPassiveApplyUpdates(gu_types, status_controller, update_handler_map);
 164 }
 165
 166 scoped_ptr<ProtocolEvent> PollGetUpdatesDelegate::GetNetworkRequestEvent(
 167     base::Time timestamp,
 168     const sync_pb::ClientToServerMessage& request) const {
 169   return scoped_ptr<ProtocolEvent>(
 170       new PollGetUpdatesRequestEvent(timestamp, request));
 171 }
 172
 173 }  // namespace syncer