content/browser/service_worker/service_worker_context_watcher.cc

   1 // Copyright 2015 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 "content/browser/service_worker/service_worker_context_watcher.h"
   6
   7 #include "base/bind.h"
   8 #include "base/containers/scoped_ptr_hash_map.h"
   9 #include "content/browser/service_worker/service_worker_context_observer.h"
  10 #include "content/browser/service_worker/service_worker_context_wrapper.h"
  11 #include "content/browser/service_worker/service_worker_version.h"
  12 #include "content/common/service_worker/service_worker_types.h"
  13 #include "content/public/browser/browser_thread.h"
  14 #include "content/public/common/console_message_level.h"
  15 #include "url/gurl.h"
  16
  17 namespace content {
  18 namespace {
  19
  20 bool IsStoppedAndRedundant(const ServiceWorkerVersionInfo& version_info) {
  21   return version_info.running_status ==
  22              content::ServiceWorkerVersion::STOPPED &&
  23          version_info.status == content::ServiceWorkerVersion::REDUNDANT;
  24 }
  25
  26 }  // namespace
  27
  28 ServiceWorkerContextWatcher::ServiceWorkerContextWatcher(
  29     scoped_refptr<ServiceWorkerContextWrapper> context,
  30     const WorkerRegistrationUpdatedCallback& registration_callback,
  31     const WorkerVersionUpdatedCallback& version_callback,
  32     const WorkerErrorReportedCallback& error_callback)
  33     : context_(context),
  34       registration_callback_(registration_callback),
  35       version_callback_(version_callback),
  36       error_callback_(error_callback) {
  37   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  38 }
  39
  40 void ServiceWorkerContextWatcher::Start() {
  41   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  42   BrowserThread::PostTask(
  43       BrowserThread::IO, FROM_HERE,
  44       base::Bind(&ServiceWorkerContextWatcher::GetStoredRegistrationsOnIOThread,
  45                  this));
  46 }
  47
  48 void ServiceWorkerContextWatcher::Stop() {
  49   DCHECK_CURRENTLY_ON(BrowserThread::UI);
  50   BrowserThread::PostTask(
  51       BrowserThread::IO, FROM_HERE,
  52       base::Bind(&ServiceWorkerContextWatcher::StopOnIOThread, this));
  53 }
  54
  55 void ServiceWorkerContextWatcher::GetStoredRegistrationsOnIOThread() {
  56   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  57   context_->GetAllRegistrations(base::Bind(
  58       &ServiceWorkerContextWatcher::OnStoredRegistrationsOnIOThread, this));
  59 }
  60
  61 void ServiceWorkerContextWatcher::OnStoredRegistrationsOnIOThread(
  62     const std::vector<ServiceWorkerRegistrationInfo>& stored_registrations) {
  63   DCHECK_CURRENTLY_ON(BrowserThread::IO);
  64   context_->AddObserver(this);
  65
  66   base::ScopedPtrHashMap<int64, scoped_ptr<ServiceWorkerRegistrationInfo>>
  67       registration_info_map;
  68   for (const auto& registration : stored_registrations)
  69     StoreRegistrationInfo(registration, &registration_info_map);
  70   for (const auto& registration : context_->GetAllLiveRegistrationInfo())
  71     StoreRegistrationInfo(registration, &registration_info_map);
  72   for (const auto& version : context_->GetAllLiveVersionInfo())
  73     StoreVersionInfo(version);
  74
  75   std::vector<ServiceWorkerRegistrationInfo> registrations;
  76   registrations.reserve(registration_info_map.size());
  77   for (const auto& registration_id_info_pair : registration_info_map)
  78     registrations.push_back(*registration_id_info_pair.second);
  79
  80   std::vector<ServiceWorkerVersionInfo> versions;
  81   versions.reserve(version_info_map_.size());
  82
  83   for (auto version_it = version_info_map_.begin();
  84        version_it != version_info_map_.end();) {
  85     versions.push_back(*version_it->second);
  86     if (IsStoppedAndRedundant(*version_it->second))
  87       version_info_map_.erase(version_it++);
  88     else
  89       ++version_it;
  90   }
  91
  92   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
  93                           base::Bind(registration_callback_, registrations));
  94   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
  95                           base::Bind(version_callback_, versions));
  96 }
  97
  98 void ServiceWorkerContextWatcher::StopOnIOThread() {
  99   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 100   context_->RemoveObserver(this);
 101 }
 102
 103 ServiceWorkerContextWatcher::~ServiceWorkerContextWatcher() {
 104 }
 105
 106 void ServiceWorkerContextWatcher::StoreRegistrationInfo(
 107     const ServiceWorkerRegistrationInfo& registration_info,
 108     base::ScopedPtrHashMap<int64, scoped_ptr<ServiceWorkerRegistrationInfo>>*
 109         info_map) {
 110   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 111   if (registration_info.registration_id == kInvalidServiceWorkerRegistrationId)
 112     return;
 113   info_map->set(registration_info.registration_id,
 114                 scoped_ptr<ServiceWorkerRegistrationInfo>(
 115                     new ServiceWorkerRegistrationInfo(registration_info)));
 116   StoreVersionInfo(registration_info.active_version);
 117   StoreVersionInfo(registration_info.waiting_version);
 118   StoreVersionInfo(registration_info.installing_version);
 119 }
 120
 121 void ServiceWorkerContextWatcher::StoreVersionInfo(
 122     const ServiceWorkerVersionInfo& version_info) {
 123   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 124   if (version_info.version_id == kInvalidServiceWorkerVersionId)
 125     return;
 126   version_info_map_.set(version_info.version_id,
 127                         scoped_ptr<ServiceWorkerVersionInfo>(
 128                             new ServiceWorkerVersionInfo(version_info)));
 129 }
 130
 131 void ServiceWorkerContextWatcher::SendRegistrationInfo(
 132     int64 registration_id,
 133     const GURL& pattern,
 134     ServiceWorkerRegistrationInfo::DeleteFlag delete_flag) {
 135   std::vector<ServiceWorkerRegistrationInfo> registrations;
 136   registrations.push_back(
 137       ServiceWorkerRegistrationInfo(pattern, registration_id, delete_flag));
 138   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 139                           base::Bind(registration_callback_, registrations));
 140 }
 141
 142 void ServiceWorkerContextWatcher::SendVersionInfo(
 143     const ServiceWorkerVersionInfo& version_info) {
 144   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 145   std::vector<ServiceWorkerVersionInfo> versions;
 146   versions.push_back(version_info);
 147   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 148                           base::Bind(version_callback_, versions));
 149 }
 150
 151 void ServiceWorkerContextWatcher::OnNewLiveRegistration(int64 registration_id,
 152                                                         const GURL& pattern) {
 153   SendRegistrationInfo(registration_id, pattern,
 154                        ServiceWorkerRegistrationInfo::IS_NOT_DELETED);
 155 }
 156
 157 void ServiceWorkerContextWatcher::OnNewLiveVersion(int64 version_id,
 158                                                    int64 registration_id,
 159                                                    const GURL& script_url) {
 160   if (ServiceWorkerVersionInfo* version = version_info_map_.get(version_id)) {
 161     DCHECK_EQ(version->registration_id, registration_id);
 162     DCHECK_EQ(version->script_url, script_url);
 163     return;
 164   }
 165
 166   scoped_ptr<ServiceWorkerVersionInfo> version(new ServiceWorkerVersionInfo());
 167   version->version_id = version_id;
 168   version->registration_id = registration_id;
 169   version->script_url = script_url;
 170   SendVersionInfo(*version);
 171   if (!IsStoppedAndRedundant(*version))
 172     version_info_map_.set(version_id, version.Pass());
 173 }
 174
 175 void ServiceWorkerContextWatcher::OnRunningStateChanged(
 176     int64 version_id,
 177     content::ServiceWorkerVersion::RunningStatus running_status) {
 178   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 179   DCHECK(version);
 180   if (version->running_status == running_status)
 181     return;
 182   version->running_status = running_status;
 183   SendVersionInfo(*version);
 184   if (IsStoppedAndRedundant(*version))
 185     version_info_map_.erase(version_id);
 186 }
 187
 188 void ServiceWorkerContextWatcher::OnVersionStateChanged(
 189     int64 version_id,
 190     content::ServiceWorkerVersion::Status status) {
 191   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 192   DCHECK(version);
 193   if (version->status == status)
 194     return;
 195   version->status = status;
 196   SendVersionInfo(*version);
 197   if (IsStoppedAndRedundant(*version))
 198     version_info_map_.erase(version_id);
 199 }
 200
 201 void ServiceWorkerContextWatcher::OnMainScriptHttpResponseInfoSet(
 202     int64 version_id,
 203     base::Time script_response_time,
 204     base::Time script_last_modified) {
 205   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 206   DCHECK(version);
 207   version->script_response_time = script_response_time;
 208   version->script_last_modified = script_last_modified;
 209   SendVersionInfo(*version);
 210 }
 211
 212 void ServiceWorkerContextWatcher::OnErrorReported(int64 version_id,
 213                                                   int process_id,
 214                                                   int thread_id,
 215                                                   const ErrorInfo& info) {
 216   int64 registration_id = kInvalidServiceWorkerRegistrationId;
 217   if (ServiceWorkerVersionInfo* version = version_info_map_.get(version_id))
 218     registration_id = version->registration_id;
 219   BrowserThread::PostTask(
 220       BrowserThread::UI, FROM_HERE,
 221       base::Bind(error_callback_, registration_id, version_id, info));
 222 }
 223
 224 void ServiceWorkerContextWatcher::OnReportConsoleMessage(
 225     int64 version_id,
 226     int process_id,
 227     int thread_id,
 228     const ConsoleMessage& message) {
 229   if (message.message_level != CONSOLE_MESSAGE_LEVEL_ERROR)
 230     return;
 231   int64 registration_id = kInvalidServiceWorkerRegistrationId;
 232   if (ServiceWorkerVersionInfo* version = version_info_map_.get(version_id))
 233     registration_id = version->registration_id;
 234   BrowserThread::PostTask(
 235       BrowserThread::UI, FROM_HERE,
 236       base::Bind(error_callback_, registration_id, version_id,
 237                  ErrorInfo(message.message, message.line_number, -1,
 238                            message.source_url)));
 239 }
 240
 241 void ServiceWorkerContextWatcher::OnControlleeAdded(
 242     int64 version_id,
 243     const std::string& uuid,
 244     int process_id,
 245     int route_id,
 246     ServiceWorkerProviderType type) {
 247   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 248   DCHECK(version);
 249   version->clients[uuid] =
 250       ServiceWorkerVersionInfo::ClientInfo(process_id, route_id, type);
 251   SendVersionInfo(*version);
 252 }
 253
 254 void ServiceWorkerContextWatcher::OnControlleeRemoved(int64 version_id,
 255                                                       const std::string& uuid) {
 256   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 257   if (!version)
 258     return;
 259   version->clients.erase(uuid);
 260   SendVersionInfo(*version);
 261 }
 262
 263 void ServiceWorkerContextWatcher::OnRegistrationStored(int64 registration_id,
 264                                                        const GURL& pattern) {
 265   SendRegistrationInfo(registration_id, pattern,
 266                        ServiceWorkerRegistrationInfo::IS_NOT_DELETED);
 267 }
 268
 269 void ServiceWorkerContextWatcher::OnRegistrationDeleted(int64 registration_id,
 270                                                         const GURL& pattern) {
 271   SendRegistrationInfo(registration_id, pattern,
 272                        ServiceWorkerRegistrationInfo::IS_DELETED);
 273 }
 274
 275 }  // namespace content