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/settings_sync_util.h"
6
7 #include "base/json/json_writer.h"
8 #include "base/values.h"
9 #include "chrome/browser/extensions/api/storage/sync_value_store_cache.h"
10 #include "content/public/browser/browser_thread.h"
11 #include "extensions/browser/api/storage/storage_frontend.h"
12 #include "sync/protocol/app_setting_specifics.pb.h"
13 #include "sync/protocol/extension_setting_specifics.pb.h"
14 #include "sync/protocol/sync.pb.h"
15
16 using content::BrowserThread;
17
18 namespace extensions {
19
20 namespace settings_sync_util {
21
22 namespace {
23
PopulateExtensionSettingSpecifics(const std::string & extension_id,const std::string & key,const base::Value & value,sync_pb::ExtensionSettingSpecifics * specifics)24 void PopulateExtensionSettingSpecifics(
25 const std::string& extension_id,
26 const std::string& key,
27 const base::Value& value,
28 sync_pb::ExtensionSettingSpecifics* specifics) {
29 specifics->set_extension_id(extension_id);
30 specifics->set_key(key);
31 {
32 std::string value_as_json;
33 base::JSONWriter::Write(&value, &value_as_json);
34 specifics->set_value(value_as_json);
35 }
36 }
37
PopulateAppSettingSpecifics(const std::string & extension_id,const std::string & key,const base::Value & value,sync_pb::AppSettingSpecifics * specifics)38 void PopulateAppSettingSpecifics(
39 const std::string& extension_id,
40 const std::string& key,
41 const base::Value& value,
42 sync_pb::AppSettingSpecifics* specifics) {
43 PopulateExtensionSettingSpecifics(
44 extension_id, key, value, specifics->mutable_extension_setting());
45 }
46
47 } // namespace
48
CreateData(const std::string & extension_id,const std::string & key,const base::Value & value,syncer::ModelType type)49 syncer::SyncData CreateData(
50 const std::string& extension_id,
51 const std::string& key,
52 const base::Value& value,
53 syncer::ModelType type) {
54 sync_pb::EntitySpecifics specifics;
55 switch (type) {
56 case syncer::EXTENSION_SETTINGS:
57 PopulateExtensionSettingSpecifics(
58 extension_id,
59 key,
60 value,
61 specifics.mutable_extension_setting());
62 break;
63
64 case syncer::APP_SETTINGS:
65 PopulateAppSettingSpecifics(
66 extension_id,
67 key,
68 value,
69 specifics.mutable_app_setting());
70 break;
71
72 default:
73 NOTREACHED();
74 }
75
76 return syncer::SyncData::CreateLocalData(
77 extension_id + "/" + key, key, specifics);
78 }
79
CreateAdd(const std::string & extension_id,const std::string & key,const base::Value & value,syncer::ModelType type)80 syncer::SyncChange CreateAdd(
81 const std::string& extension_id,
82 const std::string& key,
83 const base::Value& value,
84 syncer::ModelType type) {
85 return syncer::SyncChange(
86 FROM_HERE,
87 syncer::SyncChange::ACTION_ADD,
88 CreateData(extension_id, key, value, type));
89 }
90
CreateUpdate(const std::string & extension_id,const std::string & key,const base::Value & value,syncer::ModelType type)91 syncer::SyncChange CreateUpdate(
92 const std::string& extension_id,
93 const std::string& key,
94 const base::Value& value,
95 syncer::ModelType type) {
96 return syncer::SyncChange(
97 FROM_HERE,
98 syncer::SyncChange::ACTION_UPDATE,
99 CreateData(extension_id, key, value, type));
100 }
101
CreateDelete(const std::string & extension_id,const std::string & key,syncer::ModelType type)102 syncer::SyncChange CreateDelete(
103 const std::string& extension_id,
104 const std::string& key,
105 syncer::ModelType type) {
106 base::DictionaryValue no_value;
107 return syncer::SyncChange(
108 FROM_HERE,
109 syncer::SyncChange::ACTION_DELETE,
110 CreateData(extension_id, key, no_value, type));
111 }
112
GetSyncableService(content::BrowserContext * context,syncer::ModelType type)113 syncer::SyncableService* GetSyncableService(content::BrowserContext* context,
114 syncer::ModelType type) {
115 DCHECK_CURRENTLY_ON(BrowserThread::FILE);
116 DCHECK(type == syncer::APP_SETTINGS || type == syncer::EXTENSION_SETTINGS);
117 StorageFrontend* frontend = StorageFrontend::Get(context);
118 SyncValueStoreCache* sync_cache = static_cast<SyncValueStoreCache*>(
119 frontend->GetValueStoreCache(settings_namespace::SYNC));
120 return sync_cache->GetSyncableService(type);
121 }
122
123 } // namespace settings_sync_util
124
125 } // namespace extensions
126