src/chrome/browser/extensions/app_sync_bundle.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/app_sync_bundle.h"
   6
   7 #include "base/location.h"
   8 #include "chrome/browser/extensions/extension_sync_service.h"
   9 #include "chrome/common/extensions/sync_helper.h"
  10 #include "extensions/browser/app_sorting.h"
  11 #include "extensions/common/extension.h"
  12 #include "extensions/common/extension_set.h"
  13 #include "sync/api/sync_change_processor.h"
  14 #include "sync/api/sync_data.h"
  15 #include "sync/api/sync_error_factory.h"
  16
  17 namespace extensions {
  18
  19 AppSyncBundle::AppSyncBundle(ExtensionSyncService* extension_sync_service)
  20     : extension_sync_service_(extension_sync_service) {}
  21
  22 AppSyncBundle::~AppSyncBundle() {}
  23
  24 void AppSyncBundle::SetupSync(
  25     syncer::SyncChangeProcessor* sync_change_processor,
  26     syncer::SyncErrorFactory* sync_error_factory,
  27     const syncer::SyncDataList& initial_sync_data) {
  28   sync_processor_.reset(sync_change_processor);
  29   sync_error_factory_.reset(sync_error_factory);
  30
  31   for (syncer::SyncDataList::const_iterator i = initial_sync_data.begin();
  32        i != initial_sync_data.end();
  33        ++i) {
  34     AppSyncData app_sync_data(*i);
  35     AddApp(app_sync_data.id());
  36     extension_sync_service_->ProcessAppSyncData(app_sync_data);
  37   }
  38 }
  39
  40 void AppSyncBundle::Reset() {
  41   sync_processor_.reset();
  42   sync_error_factory_.reset();
  43   synced_apps_.clear();
  44   pending_sync_data_.clear();
  45 }
  46
  47 syncer::SyncChange AppSyncBundle::CreateSyncChangeToDelete(
  48     const Extension* extension)
  49     const {
  50   AppSyncData sync_data = extension_sync_service_->GetAppSyncData(*extension);
  51   return sync_data.GetSyncChange(syncer::SyncChange::ACTION_DELETE);
  52 }
  53
  54 void AppSyncBundle::ProcessDeletion(const std::string& extension_id,
  55                                     const syncer::SyncChange& sync_change) {
  56   RemoveApp(extension_id);
  57   sync_processor_->ProcessSyncChanges(FROM_HERE,
  58                                       syncer::SyncChangeList(1, sync_change));
  59 }
  60
  61 syncer::SyncChange AppSyncBundle::CreateSyncChange(
  62     const syncer::SyncData& sync_data) {
  63   const syncer::SyncDataLocal sync_data_local(sync_data);
  64   if (HasExtensionId(sync_data_local.GetTag())) {
  65     return syncer::SyncChange(FROM_HERE,
  66                               syncer::SyncChange::ACTION_UPDATE,
  67                               sync_data);
  68   } else {
  69     AddApp(sync_data_local.GetTag());
  70     return syncer::SyncChange(FROM_HERE,
  71                               syncer::SyncChange::ACTION_ADD,
  72                               sync_data);
  73   }
  74 }
  75
  76 syncer::SyncDataList AppSyncBundle::GetAllSyncData() const {
  77   std::vector<AppSyncData> app_sync_data =
  78       extension_sync_service_->GetAppSyncDataList();
  79   syncer::SyncDataList result(app_sync_data.size());
  80   for (int i = 0; i < static_cast<int>(app_sync_data.size()); ++i) {
  81     result[i] = app_sync_data[i].GetSyncData();
  82   }
  83   return result;
  84 }
  85
  86 void AppSyncBundle::ProcessSyncChange(AppSyncData app_sync_data) {
  87   if (app_sync_data.uninstalled())
  88     RemoveApp(app_sync_data.id());
  89   else
  90     AddApp(app_sync_data.id());
  91   extension_sync_service_->ProcessAppSyncData(app_sync_data);
  92 }
  93
  94 void AppSyncBundle::ProcessSyncChangeList(
  95     syncer::SyncChangeList sync_change_list) {
  96   sync_processor_->ProcessSyncChanges(FROM_HERE, sync_change_list);
  97   extension_sync_service_->extension_prefs().app_sorting()->
  98       FixNTPOrdinalCollisions();
  99 }
 100
 101 bool AppSyncBundle::HasExtensionId(const std::string& id) const {
 102   return synced_apps_.find(id) != synced_apps_.end();
 103 }
 104
 105 bool AppSyncBundle::HasPendingExtensionId(const std::string& id) const {
 106   return pending_sync_data_.find(id) != pending_sync_data_.end();
 107 }
 108
 109 void AppSyncBundle::AddPendingApp(const std::string& id,
 110                                   const AppSyncData& app_sync_data) {
 111   pending_sync_data_[id] = app_sync_data;
 112 }
 113
 114 bool AppSyncBundle::IsSyncing() const {
 115   return sync_processor_ != NULL;
 116 }
 117
 118 void AppSyncBundle::SyncChangeIfNeeded(const Extension& extension) {
 119   AppSyncData app_sync_data = extension_sync_service_->GetAppSyncData(
 120       extension);
 121
 122   syncer::SyncChangeList sync_change_list(1, app_sync_data.GetSyncChange(
 123       HasExtensionId(extension.id()) ?
 124       syncer::SyncChange::ACTION_UPDATE : syncer::SyncChange::ACTION_ADD));
 125   sync_processor_->ProcessSyncChanges(FROM_HERE, sync_change_list);
 126   MarkPendingAppSynced(extension.id());
 127 }
 128
 129 std::vector<AppSyncData> AppSyncBundle::GetPendingData() const {
 130   std::vector<AppSyncData> pending_apps;
 131   for (std::map<std::string, AppSyncData>::const_iterator
 132            i = pending_sync_data_.begin();
 133        i != pending_sync_data_.end();
 134        ++i) {
 135     pending_apps.push_back(i->second);
 136   }
 137
 138   return pending_apps;
 139 }
 140
 141 void AppSyncBundle::GetAppSyncDataListHelper(
 142     const ExtensionSet& extensions,
 143     std::vector<AppSyncData>* sync_data_list) const {
 144   for (ExtensionSet::const_iterator it = extensions.begin();
 145        it != extensions.end(); ++it) {
 146     const Extension& extension = *it->get();
 147     // If we have pending app data for this app, then this
 148     // version is out of date.  We'll sync back the version we got from
 149     // sync.
 150     if (IsSyncing() && sync_helper::IsSyncableApp(&extension) &&
 151         !HasPendingExtensionId(extension.id())) {
 152       sync_data_list->push_back(extension_sync_service_->GetAppSyncData(
 153           extension));
 154     }
 155   }
 156 }
 157
 158 void AppSyncBundle::AddApp(const std::string& id) {
 159   synced_apps_.insert(id);
 160 }
 161
 162 void AppSyncBundle::RemoveApp(const std::string& id) {
 163   synced_apps_.erase(id);
 164 }
 165
 166
 167 void AppSyncBundle::MarkPendingAppSynced(const std::string& id) {
 168   pending_sync_data_.erase(id);
 169   synced_apps_.insert(id);
 170 }
 171
 172
 173 }  // namespace extensions