1 // Copyright (c) 2010 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/sync/glue/extension_sync_traits.h"
6
7 #include "base/string_piece.h"
8 #include "base/utf_string_conversions.h"
9 #include "chrome/browser/sync/engine/syncapi.h"
10 #include "chrome/browser/sync/glue/extension_util.h"
11 #include "chrome/browser/sync/protocol/app_specifics.pb.h"
12 #include "chrome/browser/sync/protocol/extension_specifics.pb.h"
13 #include "chrome/common/extensions/extension.h"
14
15 namespace browser_sync {
16
ExtensionSyncTraits(syncable::ModelType model_type,IsValidAndSyncablePredicate is_valid_and_syncable,ShouldHandleExtensionUninstallPredicate should_handle_extension_uninstall,const char * root_node_tag,ExtensionSpecificsGetter extension_specifics_getter,ExtensionSpecificsSetter extension_specifics_setter,ExtensionSpecificsEntityGetter extension_specifics_entity_getter)17 ExtensionSyncTraits::ExtensionSyncTraits(
18 syncable::ModelType model_type,
19 IsValidAndSyncablePredicate is_valid_and_syncable,
20 ShouldHandleExtensionUninstallPredicate
21 should_handle_extension_uninstall,
22 const char* root_node_tag,
23 ExtensionSpecificsGetter extension_specifics_getter,
24 ExtensionSpecificsSetter extension_specifics_setter,
25 ExtensionSpecificsEntityGetter extension_specifics_entity_getter)
26 : model_type(model_type),
27 is_valid_and_syncable(is_valid_and_syncable),
28 should_handle_extension_uninstall(should_handle_extension_uninstall),
29 root_node_tag(root_node_tag),
30 extension_specifics_getter(extension_specifics_getter),
31 extension_specifics_setter(extension_specifics_setter),
32 extension_specifics_entity_getter(extension_specifics_entity_getter) {}
33
~ExtensionSyncTraits()34 ExtensionSyncTraits::~ExtensionSyncTraits() {}
35
36 namespace {
37
GetExtensionSpecifics(const sync_api::BaseNode & node)38 const sync_pb::ExtensionSpecifics& GetExtensionSpecifics(
39 const sync_api::BaseNode& node) {
40 return node.GetExtensionSpecifics();
41 }
42
SetExtensionSpecifics(const sync_pb::ExtensionSpecifics & extension_specifics,sync_api::WriteNode * node)43 void SetExtensionSpecifics(
44 const sync_pb::ExtensionSpecifics& extension_specifics,
45 sync_api::WriteNode* node) {
46 node->SetTitle(UTF8ToWide(extension_specifics.name()));
47 node->SetExtensionSpecifics(extension_specifics);
48 }
49
GetExtensionSpecificsFromEntity(const sync_pb::EntitySpecifics & entity_specifics,sync_pb::ExtensionSpecifics * extension_specifics)50 bool GetExtensionSpecificsFromEntity(
51 const sync_pb::EntitySpecifics& entity_specifics,
52 sync_pb::ExtensionSpecifics* extension_specifics) {
53 if (!entity_specifics.HasExtension(sync_pb::extension)) {
54 return false;
55 }
56 *extension_specifics = entity_specifics.GetExtension(sync_pb::extension);
57 return true;
58 }
59
IsSyncableExtension(Extension::Type type,const GURL & update_url)60 bool IsSyncableExtension(Extension::Type type, const GURL& update_url) {
61 switch (type) {
62 case Extension::TYPE_EXTENSION:
63 return true;
64 case Extension::TYPE_USER_SCRIPT:
65 // We only want to sync user scripts with update URLs.
66 return !update_url.is_empty();
67 default:
68 return false;
69 }
70 }
71
IsValidAndSyncableExtension(const Extension & extension)72 bool IsValidAndSyncableExtension(const Extension& extension) {
73 return
74 IsExtensionValid(extension) &&
75 IsSyncableExtension(extension.GetType(), extension.update_url());
76 }
77
IsExtensionUninstall(const UninstalledExtensionInfo & uninstalled_extension_info)78 bool IsExtensionUninstall(
79 const UninstalledExtensionInfo& uninstalled_extension_info) {
80 return IsSyncableExtension(uninstalled_extension_info.extension_type,
81 uninstalled_extension_info.update_url);
82 }
83
84 } // namespace
85
GetExtensionSyncTraits()86 ExtensionSyncTraits GetExtensionSyncTraits() {
87 return ExtensionSyncTraits(syncable::EXTENSIONS,
88 &IsValidAndSyncableExtension,
89 &IsExtensionUninstall,
90 "google_chrome_extensions",
91 &GetExtensionSpecifics,
92 &SetExtensionSpecifics,
93 &GetExtensionSpecificsFromEntity);
94 }
95
96 namespace {
97
GetExtensionSpecificsOfApp(const sync_api::BaseNode & node)98 const sync_pb::ExtensionSpecifics& GetExtensionSpecificsOfApp(
99 const sync_api::BaseNode& node) {
100 return node.GetAppSpecifics().extension();
101 }
102
SetExtensionSpecificsOfApp(const sync_pb::ExtensionSpecifics & extension_specifics,sync_api::WriteNode * node)103 void SetExtensionSpecificsOfApp(
104 const sync_pb::ExtensionSpecifics& extension_specifics,
105 sync_api::WriteNode* node) {
106 node->SetTitle(UTF8ToWide(extension_specifics.name()));
107 sync_pb::AppSpecifics app_specifics;
108 *app_specifics.mutable_extension() = extension_specifics;
109 node->SetAppSpecifics(app_specifics);
110 }
111
GetExtensionSpecificsFromEntityOfApp(const sync_pb::EntitySpecifics & entity_specifics,sync_pb::ExtensionSpecifics * extension_specifics)112 bool GetExtensionSpecificsFromEntityOfApp(
113 const sync_pb::EntitySpecifics& entity_specifics,
114 sync_pb::ExtensionSpecifics* extension_specifics) {
115 if (!entity_specifics.HasExtension(sync_pb::app)) {
116 return false;
117 }
118 *extension_specifics =
119 entity_specifics.GetExtension(sync_pb::app).extension();
120 return true;
121 }
122
IsSyncableApp(Extension::Type type)123 bool IsSyncableApp(Extension::Type type) {
124 return
125 (type == Extension::TYPE_HOSTED_APP) ||
126 (type == Extension::TYPE_PACKAGED_APP);
127 }
128
IsValidAndSyncableApp(const Extension & extension)129 bool IsValidAndSyncableApp(
130 const Extension& extension) {
131 return IsExtensionValid(extension) && IsSyncableApp(extension.GetType());
132 }
133
IsAppUninstall(const UninstalledExtensionInfo & uninstalled_extension_info)134 bool IsAppUninstall(
135 const UninstalledExtensionInfo& uninstalled_extension_info) {
136 return IsSyncableApp(uninstalled_extension_info.extension_type);
137 }
138
139 } // namespace
140
GetAppSyncTraits()141 ExtensionSyncTraits GetAppSyncTraits() {
142 return ExtensionSyncTraits(syncable::APPS,
143 &IsValidAndSyncableApp,
144 &IsAppUninstall,
145 "google_chrome_apps",
146 &GetExtensionSpecificsOfApp,
147 &SetExtensionSpecificsOfApp,
148 &GetExtensionSpecificsFromEntityOfApp);
149 }
150
151 } // namespace browser_sync
152