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| 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 "components/invalidation/invalidator_storage.h" | |
| 6 | |
| 7 #include <string> | |
| 8 #include <utility> | |
| 9 | |
| 10 #include "base/base64.h" | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "base/memory/scoped_ptr.h" | |
| 14 #include "base/prefs/pref_registry_simple.h" | |
| 15 #include "base/prefs/pref_service.h" | |
| 16 #include "base/values.h" | |
| 17 #include "components/invalidation/invalidation_prefs.h" | |
| 18 #include "components/invalidation/unacked_invalidation_set.h" | |
| 19 #include "components/pref_registry/pref_registry_syncable.h" | |
| 20 #include "google/cacheinvalidation/types.pb.h" | |
| 21 | |
| 22 namespace { | |
| 23 | |
| 24 const char kInvalidatorMaxInvalidationVersions[] = | |
| 25 "invalidator.max_invalidation_versions"; | |
| 26 | |
| 27 bool ValueToUnackedInvalidationStorageMap( | |
| 28 const base::ListValue& value, | |
| 29 syncer::UnackedInvalidationsMap* map) { | |
| 30 for (size_t i = 0; i != value.GetSize(); ++i) { | |
| 31 invalidation::ObjectId invalid_id; | |
| 32 syncer::UnackedInvalidationSet storage(invalid_id); | |
| 33 const base::DictionaryValue* dict; | |
| 34 if (!value.GetDictionary(i, &dict) || !storage.ResetFromValue(*dict)) { | |
| 35 DLOG(WARNING) << "Failed to parse ObjectState at position " << i; | |
| 36 return false; | |
| 37 } | |
| 38 map->insert(std::make_pair(storage.object_id(), storage)); | |
| 39 } | |
| 40 return true; | |
| 41 } | |
| 42 | |
| 43 scoped_ptr<base::ListValue> UnackedInvalidationStorageMapToValue( | |
| 44 const syncer::UnackedInvalidationsMap& map) { | |
| 45 scoped_ptr<base::ListValue> value(new base::ListValue); | |
| 46 for (syncer::UnackedInvalidationsMap::const_iterator it = map.begin(); | |
| 47 it != map.end(); ++it) { | |
| 48 value->Append(it->second.ToValue().release()); | |
| 49 } | |
| 50 return value.Pass(); | |
| 51 } | |
| 52 | |
| 53 } // namespace | |
| 54 | |
| 55 namespace invalidation { | |
| 56 | |
| 57 // static | |
| 58 void InvalidatorStorage::RegisterProfilePrefs( | |
| 59 user_prefs::PrefRegistrySyncable* registry) { | |
| 60 registry->RegisterListPref(prefs::kInvalidatorSavedInvalidations); | |
| 61 registry->RegisterStringPref(prefs::kInvalidatorInvalidationState, | |
| 62 std::string()); | |
| 63 registry->RegisterStringPref(prefs::kInvalidatorClientId, std::string()); | |
| 64 | |
| 65 // This pref is obsolete. We register it so we can clear it. | |
| 66 // At some point in the future, it will be safe to remove this. | |
| 67 registry->RegisterListPref(kInvalidatorMaxInvalidationVersions); | |
| 68 } | |
| 69 | |
| 70 // static | |
| 71 void InvalidatorStorage::RegisterPrefs(PrefRegistrySimple* registry) { | |
| 72 registry->RegisterListPref(prefs::kInvalidatorSavedInvalidations); | |
| 73 registry->RegisterStringPref(prefs::kInvalidatorInvalidationState, | |
| 74 std::string()); | |
| 75 registry->RegisterStringPref(prefs::kInvalidatorClientId, std::string()); | |
| 76 } | |
| 77 | |
| 78 InvalidatorStorage::InvalidatorStorage(PrefService* pref_service) | |
| 79 : pref_service_(pref_service) { | |
| 80 DCHECK(pref_service_); | |
| 81 if (pref_service_->FindPreference(kInvalidatorMaxInvalidationVersions)) | |
| 82 pref_service_->ClearPref(kInvalidatorMaxInvalidationVersions); | |
| 83 } | |
| 84 | |
| 85 InvalidatorStorage::~InvalidatorStorage() { | |
| 86 } | |
| 87 | |
| 88 void InvalidatorStorage::ClearAndSetNewClientId(const std::string& client_id) { | |
| 89 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 90 Clear(); // We can't reuse our old invalidation state if the ID changes. | |
| 91 pref_service_->SetString(prefs::kInvalidatorClientId, client_id); | |
| 92 } | |
| 93 | |
| 94 std::string InvalidatorStorage::GetInvalidatorClientId() const { | |
| 95 return pref_service_->GetString(prefs::kInvalidatorClientId); | |
| 96 } | |
| 97 | |
| 98 void InvalidatorStorage::SetBootstrapData(const std::string& data) { | |
| 99 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 100 std::string base64_data; | |
| 101 base::Base64Encode(data, &base64_data); | |
| 102 pref_service_->SetString(prefs::kInvalidatorInvalidationState, | |
| 103 base64_data); | |
| 104 } | |
| 105 | |
| 106 std::string InvalidatorStorage::GetBootstrapData() const { | |
| 107 std::string base64_data( | |
| 108 pref_service_->GetString(prefs::kInvalidatorInvalidationState)); | |
| 109 std::string data; | |
| 110 base::Base64Decode(base64_data, &data); | |
| 111 return data; | |
| 112 } | |
| 113 | |
| 114 void InvalidatorStorage::SetSavedInvalidations( | |
| 115 const syncer::UnackedInvalidationsMap& map) { | |
| 116 scoped_ptr<base::ListValue> value(UnackedInvalidationStorageMapToValue(map)); | |
| 117 pref_service_->Set(prefs::kInvalidatorSavedInvalidations, *value.get()); | |
| 118 } | |
| 119 | |
| 120 syncer::UnackedInvalidationsMap | |
| 121 InvalidatorStorage::GetSavedInvalidations() const { | |
| 122 syncer::UnackedInvalidationsMap map; | |
| 123 const base::ListValue* value = | |
| 124 pref_service_->GetList(prefs::kInvalidatorSavedInvalidations); | |
| 125 if (!ValueToUnackedInvalidationStorageMap(*value, &map)) { | |
| 126 return syncer::UnackedInvalidationsMap(); | |
| 127 } else { | |
| 128 return map; | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 void InvalidatorStorage::Clear() { | |
| 133 DCHECK(thread_checker_.CalledOnValidThread()); | |
| 134 pref_service_->ClearPref(prefs::kInvalidatorSavedInvalidations); | |
| 135 pref_service_->ClearPref(prefs::kInvalidatorClientId); | |
| 136 pref_service_->ClearPref(prefs::kInvalidatorInvalidationState); | |
| 137 } | |
| 138 | |
| 139 } // namespace invalidation | |
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Chromium Code Reviews
Issue 1191393008:
Introduce a layering in the invalidation component as public and impl (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master