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.
5 #include "sync/syncable/entry_kernel.h"
7 #include "base/strings/string_number_conversions.h"
8 #include "sync/protocol/proto_value_conversions.h"
9 #include "sync/syncable/syncable_enum_conversions.h"
10 #include "sync/util/cryptographer.h"
15 EntryKernel::EntryKernel() : dirty_(false) {
16 // Everything else should already be default-initialized.
17 for (int i = INT64_FIELDS_BEGIN; i < INT64_FIELDS_END; ++i) {
22 EntryKernel::~EntryKernel() {}
24 ModelType EntryKernel::GetModelType() const {
25 ModelType specifics_type = GetModelTypeFromSpecifics(ref(SPECIFICS));
26 if (specifics_type != UNSPECIFIED)
27 return specifics_type;
29 return TOP_LEVEL_FOLDER;
30 // Loose check for server-created top-level folders that aren't
31 // bound to a particular model type.
32 if (!ref(UNIQUE_SERVER_TAG).empty() && ref(SERVER_IS_DIR))
33 return TOP_LEVEL_FOLDER;
38 ModelType EntryKernel::GetServerModelType() const {
39 ModelType specifics_type = GetModelTypeFromSpecifics(ref(SERVER_SPECIFICS));
40 if (specifics_type != UNSPECIFIED)
41 return specifics_type;
43 return TOP_LEVEL_FOLDER;
44 // Loose check for server-created top-level folders that aren't
45 // bound to a particular model type.
46 if (!ref(UNIQUE_SERVER_TAG).empty() && ref(SERVER_IS_DIR))
47 return TOP_LEVEL_FOLDER;
52 bool EntryKernel::ShouldMaintainPosition() const {
53 // We maintain positions for all bookmarks, except those that are
54 // server-created top-level folders.
55 return (GetModelTypeFromSpecifics(ref(SPECIFICS)) == syncer::BOOKMARKS)
56 && !(!ref(UNIQUE_SERVER_TAG).empty() && ref(IS_DIR));
61 // Utility function to loop through a set of enum values and add the
62 // field keys/values in the kernel to the given dictionary.
64 // V should be convertible to Value.
65 template <class T, class U, class V>
66 void SetFieldValues(const EntryKernel& kernel,
67 base::DictionaryValue* dictionary_value,
68 const char* (*enum_key_fn)(T),
69 V* (*enum_value_fn)(U),
70 int field_key_min, int field_key_max) {
71 DCHECK_LE(field_key_min, field_key_max);
72 for (int i = field_key_min; i <= field_key_max; ++i) {
73 T field = static_cast<T>(i);
74 const std::string& key = enum_key_fn(field);
75 V* value = enum_value_fn(kernel.ref(field));
76 dictionary_value->Set(key, value);
80 void SetEncryptableProtoValues(
81 const EntryKernel& kernel,
82 Cryptographer* cryptographer,
83 base::DictionaryValue* dictionary_value,
84 int field_key_min, int field_key_max) {
85 DCHECK_LE(field_key_min, field_key_max);
86 for (int i = field_key_min; i <= field_key_max; ++i) {
87 ProtoField field = static_cast<ProtoField>(i);
88 const std::string& key = GetProtoFieldString(field);
90 base::DictionaryValue* value = NULL;
91 sync_pb::EntitySpecifics decrypted;
92 const sync_pb::EncryptedData& encrypted = kernel.ref(field).encrypted();
94 kernel.ref(field).has_encrypted() &&
95 cryptographer->CanDecrypt(encrypted) &&
96 cryptographer->Decrypt(encrypted, &decrypted)) {
97 value = EntitySpecificsToValue(decrypted);
98 value->SetBoolean("encrypted", true);
100 value = EntitySpecificsToValue(kernel.ref(field));
102 dictionary_value->Set(key, value);
106 // Helper functions for SetFieldValues().
108 base::StringValue* Int64ToValue(int64 i) {
109 return new base::StringValue(base::Int64ToString(i));
112 base::StringValue* TimeToValue(const base::Time& t) {
113 return new base::StringValue(GetTimeDebugString(t));
116 base::StringValue* IdToValue(const Id& id) {
120 base::FundamentalValue* BooleanToValue(bool bool_val) {
121 return new base::FundamentalValue(bool_val);
124 base::StringValue* StringToValue(const std::string& str) {
125 return new base::StringValue(str);
128 base::StringValue* UniquePositionToValue(const UniquePosition& pos) {
129 return new base::StringValue(pos.ToDebugString());
134 base::DictionaryValue* EntryKernel::ToValue(
135 Cryptographer* cryptographer) const {
136 base::DictionaryValue* kernel_info = new base::DictionaryValue();
137 kernel_info->SetBoolean("isDirty", is_dirty());
138 kernel_info->Set("serverModelType", ModelTypeToValue(GetServerModelType()));
141 SetFieldValues(*this, kernel_info,
142 &GetMetahandleFieldString, &Int64ToValue,
143 INT64_FIELDS_BEGIN, META_HANDLE);
144 SetFieldValues(*this, kernel_info,
145 &GetBaseVersionString, &Int64ToValue,
146 META_HANDLE + 1, BASE_VERSION);
147 SetFieldValues(*this, kernel_info,
148 &GetInt64FieldString, &Int64ToValue,
149 BASE_VERSION + 1, INT64_FIELDS_END - 1);
152 SetFieldValues(*this, kernel_info,
153 &GetTimeFieldString, &TimeToValue,
154 TIME_FIELDS_BEGIN, TIME_FIELDS_END - 1);
157 SetFieldValues(*this, kernel_info,
158 &GetIdFieldString, &IdToValue,
159 ID_FIELDS_BEGIN, ID_FIELDS_END - 1);
162 SetFieldValues(*this, kernel_info,
163 &GetIndexedBitFieldString, &BooleanToValue,
164 BIT_FIELDS_BEGIN, INDEXED_BIT_FIELDS_END - 1);
165 SetFieldValues(*this, kernel_info,
166 &GetIsDelFieldString, &BooleanToValue,
167 INDEXED_BIT_FIELDS_END, IS_DEL);
168 SetFieldValues(*this, kernel_info,
169 &GetBitFieldString, &BooleanToValue,
170 IS_DEL + 1, BIT_FIELDS_END - 1);
174 // Pick out the function overload we want.
175 SetFieldValues(*this, kernel_info,
176 &GetStringFieldString, &StringToValue,
177 STRING_FIELDS_BEGIN, STRING_FIELDS_END - 1);
181 SetEncryptableProtoValues(*this, cryptographer, kernel_info,
182 PROTO_FIELDS_BEGIN, PROTO_FIELDS_END - 1);
184 // UniquePosition fields
185 SetFieldValues(*this, kernel_info,
186 &GetUniquePositionFieldString, &UniquePositionToValue,
187 UNIQUE_POSITION_FIELDS_BEGIN, UNIQUE_POSITION_FIELDS_END - 1);
190 SetFieldValues(*this, kernel_info,
191 &GetBitTempString, &BooleanToValue,
192 BIT_TEMPS_BEGIN, BIT_TEMPS_END - 1);
197 base::ListValue* EntryKernelMutationMapToValue(
198 const EntryKernelMutationMap& mutations) {
199 base::ListValue* list = new base::ListValue();
200 for (EntryKernelMutationMap::const_iterator it = mutations.begin();
201 it != mutations.end(); ++it) {
202 list->Append(EntryKernelMutationToValue(it->second));
207 base::DictionaryValue* EntryKernelMutationToValue(
208 const EntryKernelMutation& mutation) {
209 base::DictionaryValue* dict = new base::DictionaryValue();
210 dict->Set("original", mutation.original.ToValue(NULL));
211 dict->Set("mutated", mutation.mutated.ToValue(NULL));
215 } // namespace syncer
216 } // namespace syncable