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, 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, ServiceWorkerRegistrationInfo>* info_map) {
 109   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 110   if (registration_info.registration_id == kInvalidServiceWorkerRegistrationId)
 111     return;
 112   info_map->set(registration_info.registration_id,
 113                 scoped_ptr<ServiceWorkerRegistrationInfo>(
 114                     new ServiceWorkerRegistrationInfo(registration_info)));
 115   StoreVersionInfo(registration_info.active_version);
 116   StoreVersionInfo(registration_info.waiting_version);
 117   StoreVersionInfo(registration_info.installing_version);
 118 }
 119
 120 void ServiceWorkerContextWatcher::StoreVersionInfo(
 121     const ServiceWorkerVersionInfo& version_info) {
 122   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 123   if (version_info.version_id == kInvalidServiceWorkerVersionId)
 124     return;
 125   version_info_map_.set(version_info.version_id,
 126                         scoped_ptr<ServiceWorkerVersionInfo>(
 127                             new ServiceWorkerVersionInfo(version_info)));
 128 }
 129
 130 void ServiceWorkerContextWatcher::SendRegistrationInfo(
 131     int64 registration_id,
 132     const GURL& pattern,
 133     ServiceWorkerRegistrationInfo::DeleteFlag delete_flag) {
 134   std::vector<ServiceWorkerRegistrationInfo> registrations;
 135   registrations.push_back(
 136       ServiceWorkerRegistrationInfo(pattern, registration_id, delete_flag));
 137   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 138                           base::Bind(registration_callback_, registrations));
 139 }
 140
 141 void ServiceWorkerContextWatcher::SendVersionInfo(
 142     const ServiceWorkerVersionInfo& version_info) {
 143   DCHECK_CURRENTLY_ON(BrowserThread::IO);
 144   std::vector<ServiceWorkerVersionInfo> versions;
 145   versions.push_back(version_info);
 146   BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
 147                           base::Bind(version_callback_, versions));
 148 }
 149
 150 void ServiceWorkerContextWatcher::OnNewLiveRegistration(int64 registration_id,
 151                                                         const GURL& pattern) {
 152   SendRegistrationInfo(registration_id, pattern,
 153                        ServiceWorkerRegistrationInfo::IS_NOT_DELETED);
 154 }
 155
 156 void ServiceWorkerContextWatcher::OnNewLiveVersion(int64 version_id,
 157                                                    int64 registration_id,
 158                                                    const GURL& script_url) {
 159   if (ServiceWorkerVersionInfo* version = version_info_map_.get(version_id)) {
 160     DCHECK_EQ(version->registration_id, registration_id);
 161     DCHECK_EQ(version->script_url, script_url);
 162     return;
 163   }
 164
 165   scoped_ptr<ServiceWorkerVersionInfo> version(new ServiceWorkerVersionInfo());
 166   version->version_id = version_id;
 167   version->registration_id = registration_id;
 168   version->script_url = script_url;
 169   SendVersionInfo(*version);
 170   if (!IsStoppedAndRedundant(*version))
 171     version_info_map_.set(version_id, version.Pass());
 172 }
 173
 174 void ServiceWorkerContextWatcher::OnRunningStateChanged(
 175     int64 version_id,
 176     content::ServiceWorkerVersion::RunningStatus running_status) {
 177   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 178   DCHECK(version);
 179   if (version->running_status == running_status)
 180     return;
 181   version->running_status = running_status;
 182   SendVersionInfo(*version);
 183   if (IsStoppedAndRedundant(*version))
 184     version_info_map_.erase(version_id);
 185 }
 186
 187 void ServiceWorkerContextWatcher::OnVersionStateChanged(
 188     int64 version_id,
 189     content::ServiceWorkerVersion::Status status) {
 190   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 191   DCHECK(version);
 192   if (version->status == status)
 193     return;
 194   version->status = status;
 195   SendVersionInfo(*version);
 196   if (IsStoppedAndRedundant(*version))
 197     version_info_map_.erase(version_id);
 198 }
 199
 200 void ServiceWorkerContextWatcher::OnMainScriptHttpResponseInfoSet(
 201     int64 version_id,
 202     base::Time script_response_time,
 203     base::Time script_last_modified) {
 204   ServiceWorkerVersionInfo* version = version_info_map_.get(version_id);
 205   DCHECK(version);
 206   version->script_response_time = script_response_time;
 207   version->script_last_modified = script_last_modified;
 208   SendVersionInfo(*version);
 209 }
 210
 211 void ServiceWorkerContextWatcher::OnErrorReported(int64 version_id,
 212                                                   int process_id,
 213                                                   int thread_id,
 214                                                   const ErrorInfo& info) {
 215   int64 registration_id = kInvalidServiceWorkerRegistrationId;
 216   if (ServiceWorkerVersionInfo* version = version_info_map_.get(version_id))
 217     registration_id = version->registration_id;
 218   BrowserThread::PostTask(
 219       BrowserThread::UI, FROM_HERE,
 220       base::Bind(error_callback_, registration_id, version_id, info));
 221 }
 222
 223 void ServiceWorkerContextWatcher::OnReportConsoleMessage(
 224     int64 version_id,
 225     int process_id,
 226     int thread_id,
 227     const ConsoleMessage& message) {
 228   if (message.message_level != CONSOLE_MESSAGE_LEVEL_ERROR)
 229     return;
 230   int64 registration_id = kInvalidServiceWorkerRegistrationId;
 231   if (ServiceWorkerVersionInfo* version = version_info_map_.get(version_id))
 232     registration_id = version->registration_id;
 233   BrowserThread::PostTask(
 234       BrowserThread::UI, FROM_HERE,
 235       base::Bind(error_callback_, registration_id, version_id,
 236                  ErrorInfo(message.message, message.line_number, -1,
 237                            message.source_url)));
 238 }
 239
 240 void ServiceWorkerContextWatcher::OnRegistrationStored(int64 registration_id,
 241                                                        const GURL& pattern) {
 242   SendRegistrationInfo(registration_id, pattern,
 243                        ServiceWorkerRegistrationInfo::IS_NOT_DELETED);
 244 }
 245
 246 void ServiceWorkerContextWatcher::OnRegistrationDeleted(int64 registration_id,
 247                                                         const GURL& pattern) {
 248   SendRegistrationInfo(registration_id, pattern,
 249                        ServiceWorkerRegistrationInfo::IS_DELETED);
 250 }
 251
 252 }  // namespace content