chrome/browser/extensions/api/storage/setting_sync_data.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 "chrome/browser/extensions/api/storage/setting_sync_data.h"
   6
   7 #include "base/json/json_reader.h"
   8 #include "base/json/json_writer.h"
   9 #include "sync/api/sync_data.h"
  10 #include "sync/protocol/app_setting_specifics.pb.h"
  11 #include "sync/protocol/extension_setting_specifics.pb.h"
  12 #include "sync/protocol/sync.pb.h"
  13
  14 namespace extensions {
  15
  16 SettingSyncData::SettingSyncData(const syncer::SyncChange& sync_change)
  17     : change_type_(sync_change.change_type()) {
  18   ExtractSyncData(sync_change.sync_data());
  19 }
  20
  21 SettingSyncData::SettingSyncData(const syncer::SyncData& sync_data)
  22     : change_type_(syncer::SyncChange::ACTION_INVALID) {
  23   ExtractSyncData(sync_data);
  24 }
  25
  26 SettingSyncData::SettingSyncData(syncer::SyncChange::SyncChangeType change_type,
  27                                  const std::string& extension_id,
  28                                  const std::string& key,
  29                                  scoped_ptr<base::Value> value)
  30     : change_type_(change_type),
  31       extension_id_(extension_id),
  32       key_(key),
  33       value_(value.Pass()) {
  34 }
  35
  36 SettingSyncData::~SettingSyncData() {}
  37
  38 scoped_ptr<base::Value> SettingSyncData::PassValue() {
  39   DCHECK(value_) << "value has already been Pass()ed";
  40   return value_.Pass();
  41 }
  42
  43 void SettingSyncData::ExtractSyncData(const syncer::SyncData& sync_data) {
  44   sync_pb::EntitySpecifics specifics = sync_data.GetSpecifics();
  45   // The specifics are exclusively either extension or app settings.
  46   DCHECK_NE(specifics.has_extension_setting(), specifics.has_app_setting());
  47   const sync_pb::ExtensionSettingSpecifics& extension_specifics =
  48       specifics.has_extension_setting()
  49           ? specifics.extension_setting()
  50           : specifics.app_setting().extension_setting();
  51
  52   extension_id_ = extension_specifics.extension_id();
  53   key_ = extension_specifics.key();
  54   value_ = base::JSONReader::Read(extension_specifics.value());
  55
  56   if (!value_) {
  57     LOG(WARNING) << "Specifics for " << extension_id_ << "/" << key_
  58                  << " had bad JSON for value: " << extension_specifics.value();
  59     value_.reset(new base::DictionaryValue());
  60   }
  61 }
  62
  63 }  // namespace extensions