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| 1 // Copyright 2014 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/services/gcm/gcm_driver.h" | |
| 6 | |
| 7 #include <algorithm> | |
| 8 #include <utility> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/bind_helpers.h" | |
| 12 #include "base/files/file_path.h" | |
| 13 #include "base/location.h" | |
| 14 #include "base/logging.h" | |
| 15 #include "base/sequenced_task_runner.h" | |
| 16 #include "base/threading/sequenced_worker_pool.h" | |
| 17 #include "chrome/common/chrome_version_info.h" | |
| 18 #include "components/gcm_driver/gcm_app_handler.h" | |
| 19 #include "components/gcm_driver/gcm_client_factory.h" | |
| 20 #include "components/gcm_driver/system_encryptor.h" | |
| 21 #include "google_apis/gaia/oauth2_token_service.h" | |
| 22 #include "net/url_request/url_request_context_getter.h" | |
| 23 | |
| 24 namespace gcm { | |
| 25 | |
| 26 // Helper class to save tasks to run until we're ready to execute them. | |
| 27 class GCMDriver::DelayedTaskController { | |
| 28 public: | |
| 29 DelayedTaskController(); | |
| 30 ~DelayedTaskController(); | |
| 31 | |
| 32 // Adds a task that will be invoked once we're ready. | |
| 33 void AddTask(const base::Closure& task); | |
| 34 | |
| 35 // Sets ready status. It is ready only when check-in is completed and | |
| 36 // the GCMClient is fully initialized. | |
| 37 void SetReady(); | |
| 38 | |
| 39 // Returns true if it is ready to perform tasks. | |
| 40 bool CanRunTaskWithoutDelay() const; | |
| 41 | |
| 42 private: | |
| 43 void RunTasks(); | |
| 44 | |
| 45 // Flag that indicates that GCM is ready. | |
| 46 bool ready_; | |
| 47 | |
| 48 std::vector<base::Closure> delayed_tasks_; | |
| 49 | |
| 50 DISALLOW_COPY_AND_ASSIGN(DelayedTaskController); | |
| 51 }; | |
| 52 | |
| 53 GCMDriver::DelayedTaskController::DelayedTaskController() : ready_(false) { | |
| 54 } | |
| 55 | |
| 56 GCMDriver::DelayedTaskController::~DelayedTaskController() { | |
| 57 } | |
| 58 | |
| 59 void GCMDriver::DelayedTaskController::AddTask(const base::Closure& task) { | |
| 60 delayed_tasks_.push_back(task); | |
| 61 } | |
| 62 | |
| 63 void GCMDriver::DelayedTaskController::SetReady() { | |
| 64 ready_ = true; | |
| 65 RunTasks(); | |
| 66 } | |
| 67 | |
| 68 bool GCMDriver::DelayedTaskController::CanRunTaskWithoutDelay() const { | |
| 69 return ready_; | |
| 70 } | |
| 71 | |
| 72 void GCMDriver::DelayedTaskController::RunTasks() { | |
| 73 DCHECK(ready_); | |
| 74 | |
| 75 for (size_t i = 0; i < delayed_tasks_.size(); ++i) | |
| 76 delayed_tasks_[i].Run(); | |
| 77 delayed_tasks_.clear(); | |
| 78 } | |
| 79 | |
| 80 class GCMDriver::IOWorker : public GCMClient::Delegate { | |
| 81 public: | |
| 82 // Called on UI thread. | |
| 83 IOWorker(const scoped_refptr<base::SequencedTaskRunner>& ui_thread, | |
| 84 const scoped_refptr<base::SequencedTaskRunner>& io_thread); | |
| 85 virtual ~IOWorker(); | |
| 86 | |
| 87 // Overridden from GCMClient::Delegate: | |
| 88 // Called on IO thread. | |
| 89 virtual void OnRegisterFinished(const std::string& app_id, | |
| 90 const std::string& registration_id, | |
| 91 GCMClient::Result result) OVERRIDE; | |
| 92 virtual void OnUnregisterFinished(const std::string& app_id, | |
| 93 GCMClient::Result result) OVERRIDE; | |
| 94 virtual void OnSendFinished(const std::string& app_id, | |
| 95 const std::string& message_id, | |
| 96 GCMClient::Result result) OVERRIDE; | |
| 97 virtual void OnMessageReceived( | |
| 98 const std::string& app_id, | |
| 99 const GCMClient::IncomingMessage& message) OVERRIDE; | |
| 100 virtual void OnMessagesDeleted(const std::string& app_id) OVERRIDE; | |
| 101 virtual void OnMessageSendError( | |
| 102 const std::string& app_id, | |
| 103 const GCMClient::SendErrorDetails& send_error_details) OVERRIDE; | |
| 104 virtual void OnGCMReady() OVERRIDE; | |
| 105 virtual void OnActivityRecorded() OVERRIDE; | |
| 106 | |
| 107 // Called on IO thread. | |
| 108 void Initialize( | |
| 109 scoped_ptr<GCMClientFactory> gcm_client_factory, | |
| 110 const GCMClient::ChromeBuildInfo& chrome_build_info, | |
| 111 const base::FilePath& store_path, | |
| 112 const std::vector<std::string>& account_ids, | |
| 113 const scoped_refptr<net::URLRequestContextGetter>& request_context, | |
| 114 const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner); | |
| 115 void Start(const base::WeakPtr<GCMDriver>& service); | |
| 116 void Stop(); | |
| 117 void CheckOut(); | |
| 118 void Register(const std::string& app_id, | |
| 119 const std::vector<std::string>& sender_ids); | |
| 120 void Unregister(const std::string& app_id); | |
| 121 void Send(const std::string& app_id, | |
| 122 const std::string& receiver_id, | |
| 123 const GCMClient::OutgoingMessage& message); | |
| 124 void GetGCMStatistics(bool clear_logs); | |
| 125 void SetGCMRecording(bool recording); | |
| 126 | |
| 127 // For testing purpose. Can be called from UI thread. Use with care. | |
| 128 GCMClient* gcm_client_for_testing() const { return gcm_client_.get(); } | |
| 129 | |
| 130 private: | |
| 131 scoped_refptr<base::SequencedTaskRunner> ui_thread_; | |
| 132 scoped_refptr<base::SequencedTaskRunner> io_thread_; | |
| 133 | |
| 134 base::WeakPtr<GCMDriver> service_; | |
| 135 | |
| 136 scoped_ptr<GCMClient> gcm_client_; | |
| 137 | |
| 138 DISALLOW_COPY_AND_ASSIGN(IOWorker); | |
| 139 }; | |
| 140 | |
| 141 GCMDriver::IOWorker::IOWorker( | |
| 142 const scoped_refptr<base::SequencedTaskRunner>& ui_thread, | |
| 143 const scoped_refptr<base::SequencedTaskRunner>& io_thread) | |
| 144 : ui_thread_(ui_thread), | |
| 145 io_thread_(io_thread) { | |
| 146 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 147 } | |
| 148 | |
| 149 GCMDriver::IOWorker::~IOWorker() { | |
| 150 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 151 } | |
| 152 | |
| 153 void GCMDriver::IOWorker::Initialize( | |
| 154 scoped_ptr<GCMClientFactory> gcm_client_factory, | |
| 155 const GCMClient::ChromeBuildInfo& chrome_build_info, | |
| 156 const base::FilePath& store_path, | |
| 157 const std::vector<std::string>& account_ids, | |
| 158 const scoped_refptr<net::URLRequestContextGetter>& request_context, | |
| 159 const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner) { | |
| 160 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 161 | |
| 162 gcm_client_ = gcm_client_factory->BuildInstance(); | |
| 163 | |
| 164 gcm_client_->Initialize(chrome_build_info, | |
| 165 store_path, | |
| 166 account_ids, | |
| 167 blocking_task_runner, | |
| 168 request_context, | |
| 169 make_scoped_ptr<Encryptor>(new SystemEncryptor), | |
| 170 this); | |
| 171 } | |
| 172 | |
| 173 void GCMDriver::IOWorker::OnRegisterFinished( | |
| 174 const std::string& app_id, | |
| 175 const std::string& registration_id, | |
| 176 GCMClient::Result result) { | |
| 177 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 178 | |
| 179 ui_thread_->PostTask( | |
| 180 FROM_HERE, | |
| 181 base::Bind(&GCMDriver::RegisterFinished, service_, app_id, | |
| 182 registration_id, result)); | |
| 183 } | |
| 184 | |
| 185 void GCMDriver::IOWorker::OnUnregisterFinished(const std::string& app_id, | |
| 186 GCMClient::Result result) { | |
| 187 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 188 | |
| 189 ui_thread_->PostTask( | |
| 190 FROM_HERE, | |
| 191 base::Bind(&GCMDriver::UnregisterFinished, service_, app_id, result)); | |
| 192 } | |
| 193 | |
| 194 void GCMDriver::IOWorker::OnSendFinished(const std::string& app_id, | |
| 195 const std::string& message_id, | |
| 196 GCMClient::Result result) { | |
| 197 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 198 | |
| 199 ui_thread_->PostTask( | |
| 200 FROM_HERE, | |
| 201 base::Bind(&GCMDriver::SendFinished, service_, app_id, message_id, | |
| 202 result)); | |
| 203 } | |
| 204 | |
| 205 void GCMDriver::IOWorker::OnMessageReceived( | |
| 206 const std::string& app_id, | |
| 207 const GCMClient::IncomingMessage& message) { | |
| 208 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 209 | |
| 210 ui_thread_->PostTask( | |
| 211 FROM_HERE, | |
| 212 base::Bind(&GCMDriver::MessageReceived, service_, app_id, message)); | |
| 213 } | |
| 214 | |
| 215 void GCMDriver::IOWorker::OnMessagesDeleted(const std::string& app_id) { | |
| 216 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 217 | |
| 218 ui_thread_->PostTask( | |
| 219 FROM_HERE, | |
| 220 base::Bind(&GCMDriver::MessagesDeleted, service_, app_id)); | |
| 221 } | |
| 222 | |
| 223 void GCMDriver::IOWorker::OnMessageSendError( | |
| 224 const std::string& app_id, | |
| 225 const GCMClient::SendErrorDetails& send_error_details) { | |
| 226 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 227 | |
| 228 ui_thread_->PostTask( | |
| 229 FROM_HERE, | |
| 230 base::Bind(&GCMDriver::MessageSendError, service_, app_id, | |
| 231 send_error_details)); | |
| 232 } | |
| 233 | |
| 234 void GCMDriver::IOWorker::OnGCMReady() { | |
| 235 ui_thread_->PostTask( | |
| 236 FROM_HERE, | |
| 237 base::Bind(&GCMDriver::GCMClientReady, service_)); | |
| 238 } | |
| 239 | |
| 240 void GCMDriver::IOWorker::OnActivityRecorded() { | |
| 241 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 242 // When an activity is recorded, get all the stats and refresh the UI of | |
| 243 // gcm-internals page. | |
| 244 GetGCMStatistics(false); | |
| 245 } | |
| 246 | |
| 247 void GCMDriver::IOWorker::Start(const base::WeakPtr<GCMDriver>& service) { | |
| 248 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 249 | |
| 250 service_ = service; | |
| 251 gcm_client_->Start(); | |
| 252 } | |
| 253 | |
| 254 void GCMDriver::IOWorker::Stop() { | |
| 255 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 256 | |
| 257 gcm_client_->Stop(); | |
| 258 } | |
| 259 | |
| 260 void GCMDriver::IOWorker::CheckOut() { | |
| 261 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 262 | |
| 263 gcm_client_->CheckOut(); | |
| 264 | |
| 265 // Note that we still need to keep GCMClient instance alive since the | |
| 266 // GCMDriver may check in again. | |
| 267 } | |
| 268 | |
| 269 void GCMDriver::IOWorker::Register( | |
| 270 const std::string& app_id, | |
| 271 const std::vector<std::string>& sender_ids) { | |
| 272 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 273 | |
| 274 gcm_client_->Register(app_id, sender_ids); | |
| 275 } | |
| 276 | |
| 277 void GCMDriver::IOWorker::Unregister(const std::string& app_id) { | |
| 278 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 279 | |
| 280 gcm_client_->Unregister(app_id); | |
| 281 } | |
| 282 | |
| 283 void GCMDriver::IOWorker::Send(const std::string& app_id, | |
| 284 const std::string& receiver_id, | |
| 285 const GCMClient::OutgoingMessage& message) { | |
| 286 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 287 | |
| 288 gcm_client_->Send(app_id, receiver_id, message); | |
| 289 } | |
| 290 | |
| 291 void GCMDriver::IOWorker::GetGCMStatistics(bool clear_logs) { | |
| 292 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 293 gcm::GCMClient::GCMStatistics stats; | |
| 294 | |
| 295 if (gcm_client_.get()) { | |
| 296 if (clear_logs) | |
| 297 gcm_client_->ClearActivityLogs(); | |
| 298 stats = gcm_client_->GetStatistics(); | |
| 299 } | |
| 300 | |
| 301 ui_thread_->PostTask( | |
| 302 FROM_HERE, | |
| 303 base::Bind(&GCMDriver::GetGCMStatisticsFinished, service_, stats)); | |
| 304 } | |
| 305 | |
| 306 void GCMDriver::IOWorker::SetGCMRecording(bool recording) { | |
| 307 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 308 gcm::GCMClient::GCMStatistics stats; | |
| 309 | |
| 310 if (gcm_client_.get()) { | |
| 311 gcm_client_->SetRecording(recording); | |
| 312 stats = gcm_client_->GetStatistics(); | |
| 313 stats.gcm_client_created = true; | |
| 314 } | |
| 315 | |
| 316 ui_thread_->PostTask( | |
| 317 FROM_HERE, | |
| 318 base::Bind(&GCMDriver::GetGCMStatisticsFinished, service_, stats)); | |
| 319 } | |
| 320 | |
| 321 GCMDriver::GCMDriver( | |
| 322 scoped_ptr<GCMClientFactory> gcm_client_factory, | |
| 323 scoped_ptr<IdentityProvider> identity_provider, | |
| 324 const GCMClient::ChromeBuildInfo& chrome_build_info, | |
| 325 const base::FilePath& store_path, | |
| 326 const scoped_refptr<net::URLRequestContextGetter>& request_context, | |
| 327 const scoped_refptr<base::SequencedTaskRunner>& ui_thread, | |
| 328 const scoped_refptr<base::SequencedTaskRunner>& io_thread, | |
| 329 const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner) | |
| 330 : gcm_enabled_(true), | |
| 331 gcm_client_ready_(false), | |
| 332 identity_provider_(identity_provider.Pass()), | |
| 333 ui_thread_(ui_thread), | |
| 334 io_thread_(io_thread), | |
| 335 weak_ptr_factory_(this) { | |
| 336 // Get the list of available accounts. | |
| 337 std::vector<std::string> account_ids; | |
| 338 #if !defined(OS_ANDROID) | |
| 339 account_ids = identity_provider_->GetTokenService()->GetAccounts(); | |
| 340 #endif | |
| 341 | |
| 342 // Create and initialize the GCMClient. Note that this does not initiate the | |
| 343 // GCM check-in. | |
| 344 io_worker_.reset(new IOWorker(ui_thread, io_thread)); | |
| 345 io_thread_->PostTask( | |
| 346 FROM_HERE, | |
| 347 base::Bind(&GCMDriver::IOWorker::Initialize, | |
| 348 base::Unretained(io_worker_.get()), | |
| 349 base::Passed(&gcm_client_factory), | |
| 350 chrome_build_info, | |
| 351 store_path, | |
| 352 account_ids, | |
| 353 request_context, | |
| 354 blocking_task_runner)); | |
| 355 | |
| 356 identity_provider_->AddObserver(this); | |
| 357 } | |
| 358 | |
| 359 GCMDriver::GCMDriver() | |
| 360 : gcm_enabled_(true), | |
| 361 gcm_client_ready_(false), | |
| 362 weak_ptr_factory_(this) { | |
| 363 } | |
| 364 | |
| 365 GCMDriver::~GCMDriver() { | |
| 366 } | |
| 367 | |
| 368 void GCMDriver::Enable() { | |
| 369 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 370 | |
| 371 if (gcm_enabled_) | |
| 372 return; | |
| 373 gcm_enabled_ = true; | |
| 374 | |
| 375 EnsureStarted(); | |
| 376 } | |
| 377 | |
| 378 void GCMDriver::Disable() { | |
| 379 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 380 | |
| 381 if (!gcm_enabled_) | |
| 382 return; | |
| 383 gcm_enabled_ = false; | |
| 384 | |
| 385 Stop(); | |
| 386 } | |
| 387 | |
| 388 void GCMDriver::Stop() { | |
| 389 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 390 | |
| 391 // No need to stop GCM service if not started yet. | |
| 392 if (account_id_.empty()) | |
| 393 return; | |
| 394 | |
| 395 RemoveCachedData(); | |
| 396 | |
| 397 io_thread_->PostTask( | |
| 398 FROM_HERE, | |
| 399 base::Bind(&GCMDriver::IOWorker::Stop, | |
| 400 base::Unretained(io_worker_.get()))); | |
| 401 } | |
| 402 | |
| 403 void GCMDriver::Shutdown() { | |
| 404 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 405 identity_provider_->RemoveObserver(this); | |
| 406 for (GCMAppHandlerMap::const_iterator iter = app_handlers_.begin(); | |
| 407 iter != app_handlers_.end(); ++iter) { | |
| 408 iter->second->ShutdownHandler(); | |
| 409 } | |
| 410 app_handlers_.clear(); | |
| 411 io_thread_->DeleteSoon(FROM_HERE, io_worker_.release()); | |
| 412 } | |
| 413 | |
| 414 void GCMDriver::AddAppHandler(const std::string& app_id, | |
| 415 GCMAppHandler* handler) { | |
| 416 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 417 DCHECK(!app_id.empty()); | |
| 418 DCHECK(handler); | |
| 419 DCHECK(app_handlers_.find(app_id) == app_handlers_.end()); | |
| 420 | |
| 421 app_handlers_[app_id] = handler; | |
| 422 | |
| 423 // Ensures that the GCM service is started when there is an interest. | |
| 424 EnsureStarted(); | |
| 425 } | |
| 426 | |
| 427 void GCMDriver::RemoveAppHandler(const std::string& app_id) { | |
| 428 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 429 DCHECK(!app_id.empty()); | |
| 430 | |
| 431 app_handlers_.erase(app_id); | |
| 432 | |
| 433 // Stops the GCM service when no app intends to consume it. | |
| 434 if (app_handlers_.empty()) | |
| 435 Stop(); | |
| 436 } | |
| 437 | |
| 438 void GCMDriver::Register(const std::string& app_id, | |
| 439 const std::vector<std::string>& sender_ids, | |
| 440 const RegisterCallback& callback) { | |
| 441 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 442 DCHECK(!app_id.empty()); | |
| 443 DCHECK(!sender_ids.empty()); | |
| 444 DCHECK(!callback.is_null()); | |
| 445 | |
| 446 GCMClient::Result result = EnsureStarted(); | |
| 447 if (result != GCMClient::SUCCESS) { | |
| 448 callback.Run(std::string(), result); | |
| 449 return; | |
| 450 } | |
| 451 | |
| 452 // If previous un/register operation is still in progress, bail out. | |
| 453 if (IsAsyncOperationPending(app_id)) { | |
| 454 callback.Run(std::string(), GCMClient::ASYNC_OPERATION_PENDING); | |
| 455 return; | |
| 456 } | |
| 457 | |
| 458 register_callbacks_[app_id] = callback; | |
| 459 | |
| 460 // Delay the register operation until GCMClient is ready. | |
| 461 if (!delayed_task_controller_->CanRunTaskWithoutDelay()) { | |
| 462 delayed_task_controller_->AddTask(base::Bind(&GCMDriver::DoRegister, | |
| 463 weak_ptr_factory_.GetWeakPtr(), | |
| 464 app_id, | |
| 465 sender_ids)); | |
| 466 return; | |
| 467 } | |
| 468 | |
| 469 DoRegister(app_id, sender_ids); | |
| 470 } | |
| 471 | |
| 472 void GCMDriver::DoRegister(const std::string& app_id, | |
| 473 const std::vector<std::string>& sender_ids) { | |
| 474 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 475 std::map<std::string, RegisterCallback>::iterator callback_iter = | |
| 476 register_callbacks_.find(app_id); | |
| 477 if (callback_iter == register_callbacks_.end()) { | |
| 478 // The callback could have been removed when the app is uninstalled. | |
| 479 return; | |
| 480 } | |
| 481 | |
| 482 // Normalize the sender IDs by making them sorted. | |
| 483 std::vector<std::string> normalized_sender_ids = sender_ids; | |
| 484 std::sort(normalized_sender_ids.begin(), normalized_sender_ids.end()); | |
| 485 | |
| 486 io_thread_->PostTask( | |
| 487 FROM_HERE, | |
| 488 base::Bind(&GCMDriver::IOWorker::Register, | |
| 489 base::Unretained(io_worker_.get()), | |
| 490 app_id, | |
| 491 normalized_sender_ids)); | |
| 492 } | |
| 493 | |
| 494 void GCMDriver::Unregister(const std::string& app_id, | |
| 495 const UnregisterCallback& callback) { | |
| 496 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 497 DCHECK(!app_id.empty()); | |
| 498 DCHECK(!callback.is_null()); | |
| 499 | |
| 500 GCMClient::Result result = EnsureStarted(); | |
| 501 if (result != GCMClient::SUCCESS) { | |
| 502 callback.Run(result); | |
| 503 return; | |
| 504 } | |
| 505 | |
| 506 // If previous un/register operation is still in progress, bail out. | |
| 507 if (IsAsyncOperationPending(app_id)) { | |
| 508 callback.Run(GCMClient::ASYNC_OPERATION_PENDING); | |
| 509 return; | |
| 510 } | |
| 511 | |
| 512 unregister_callbacks_[app_id] = callback; | |
| 513 | |
| 514 // Delay the unregister operation until GCMClient is ready. | |
| 515 if (!delayed_task_controller_->CanRunTaskWithoutDelay()) { | |
| 516 delayed_task_controller_->AddTask(base::Bind(&GCMDriver::DoUnregister, | |
| 517 weak_ptr_factory_.GetWeakPtr(), | |
| 518 app_id)); | |
| 519 return; | |
| 520 } | |
| 521 | |
| 522 DoUnregister(app_id); | |
| 523 } | |
| 524 | |
| 525 void GCMDriver::DoUnregister(const std::string& app_id) { | |
| 526 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 527 | |
| 528 // Ask the server to unregister it. There could be a small chance that the | |
| 529 // unregister request fails. If this occurs, it does not bring any harm since | |
| 530 // we simply reject the messages/events received from the server. | |
| 531 io_thread_->PostTask( | |
| 532 FROM_HERE, | |
| 533 base::Bind(&GCMDriver::IOWorker::Unregister, | |
| 534 base::Unretained(io_worker_.get()), | |
| 535 app_id)); | |
| 536 } | |
| 537 | |
| 538 void GCMDriver::Send(const std::string& app_id, | |
| 539 const std::string& receiver_id, | |
| 540 const GCMClient::OutgoingMessage& message, | |
| 541 const SendCallback& callback) { | |
| 542 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 543 DCHECK(!app_id.empty()); | |
| 544 DCHECK(!receiver_id.empty()); | |
| 545 DCHECK(!callback.is_null()); | |
| 546 | |
| 547 GCMClient::Result result = EnsureStarted(); | |
| 548 if (result != GCMClient::SUCCESS) { | |
| 549 callback.Run(std::string(), result); | |
| 550 return; | |
| 551 } | |
| 552 | |
| 553 // If the message with send ID is still in progress, bail out. | |
| 554 std::pair<std::string, std::string> key(app_id, message.id); | |
| 555 if (send_callbacks_.find(key) != send_callbacks_.end()) { | |
| 556 callback.Run(message.id, GCMClient::INVALID_PARAMETER); | |
| 557 return; | |
| 558 } | |
| 559 | |
| 560 send_callbacks_[key] = callback; | |
| 561 | |
| 562 // Delay the send operation until all GCMClient is ready. | |
| 563 if (!delayed_task_controller_->CanRunTaskWithoutDelay()) { | |
| 564 delayed_task_controller_->AddTask(base::Bind(&GCMDriver::DoSend, | |
| 565 weak_ptr_factory_.GetWeakPtr(), | |
| 566 app_id, | |
| 567 receiver_id, | |
| 568 message)); | |
| 569 return; | |
| 570 } | |
| 571 | |
| 572 DoSend(app_id, receiver_id, message); | |
| 573 } | |
| 574 | |
| 575 void GCMDriver::DoSend(const std::string& app_id, | |
| 576 const std::string& receiver_id, | |
| 577 const GCMClient::OutgoingMessage& message) { | |
| 578 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 579 io_thread_->PostTask( | |
| 580 FROM_HERE, | |
| 581 base::Bind(&GCMDriver::IOWorker::Send, | |
| 582 base::Unretained(io_worker_.get()), | |
| 583 app_id, | |
| 584 receiver_id, | |
| 585 message)); | |
| 586 } | |
| 587 | |
| 588 GCMClient* GCMDriver::GetGCMClientForTesting() const { | |
| 589 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 590 return io_worker_ ? io_worker_->gcm_client_for_testing() : NULL; | |
| 591 } | |
| 592 | |
| 593 bool GCMDriver::IsStarted() const { | |
| 594 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 595 return !account_id_.empty(); | |
| 596 } | |
| 597 | |
| 598 bool GCMDriver::IsGCMClientReady() const { | |
| 599 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 600 return gcm_client_ready_; | |
| 601 } | |
| 602 | |
| 603 void GCMDriver::GetGCMStatistics(const GetGCMStatisticsCallback& callback, | |
| 604 bool clear_logs) { | |
| 605 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 606 DCHECK(!callback.is_null()); | |
| 607 | |
| 608 request_gcm_statistics_callback_ = callback; | |
| 609 io_thread_->PostTask( | |
| 610 FROM_HERE, | |
| 611 base::Bind(&GCMDriver::IOWorker::GetGCMStatistics, | |
| 612 base::Unretained(io_worker_.get()), | |
| 613 clear_logs)); | |
| 614 } | |
| 615 | |
| 616 void GCMDriver::SetGCMRecording(const GetGCMStatisticsCallback& callback, | |
| 617 bool recording) { | |
| 618 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 619 | |
| 620 request_gcm_statistics_callback_ = callback; | |
| 621 io_thread_->PostTask( | |
| 622 FROM_HERE, | |
| 623 base::Bind(&GCMDriver::IOWorker::SetGCMRecording, | |
| 624 base::Unretained(io_worker_.get()), | |
| 625 recording)); | |
| 626 } | |
| 627 | |
| 628 void GCMDriver::OnActiveAccountLogin() { | |
| 629 EnsureStarted(); | |
| 630 } | |
| 631 | |
| 632 void GCMDriver::OnActiveAccountLogout() { | |
| 633 CheckOut(); | |
| 634 } | |
| 635 | |
| 636 GCMClient::Result GCMDriver::EnsureStarted() { | |
| 637 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 638 | |
| 639 if (!gcm_enabled_) | |
| 640 return GCMClient::GCM_DISABLED; | |
| 641 | |
| 642 // Have any app requested the service? | |
| 643 if (app_handlers_.empty()) | |
| 644 return GCMClient::UNKNOWN_ERROR; | |
| 645 | |
| 646 // Is the user signed in? | |
| 647 const std::string account_id = identity_provider_->GetActiveAccountId(); | |
| 648 if (account_id.empty()) | |
| 649 return GCMClient::NOT_SIGNED_IN; | |
| 650 | |
| 651 // CheckIn could be called more than once when: | |
| 652 // 1) The password changes. | |
| 653 // 2) Register/send function calls it to ensure CheckIn is done. | |
| 654 if (account_id_ == account_id) | |
| 655 return GCMClient::SUCCESS; | |
| 656 account_id_ = account_id; | |
| 657 | |
| 658 DCHECK(!delayed_task_controller_); | |
| 659 delayed_task_controller_.reset(new DelayedTaskController); | |
| 660 | |
| 661 // Note that we need to pass weak pointer again since the existing weak | |
| 662 // pointer in IOWorker might have been invalidated when check-out occurs. | |
| 663 io_thread_->PostTask( | |
| 664 FROM_HERE, | |
| 665 base::Bind(&GCMDriver::IOWorker::Start, | |
| 666 base::Unretained(io_worker_.get()), | |
| 667 weak_ptr_factory_.GetWeakPtr())); | |
| 668 | |
| 669 return GCMClient::SUCCESS; | |
| 670 } | |
| 671 | |
| 672 void GCMDriver::RemoveCachedData() { | |
| 673 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 674 // Remove all the queued tasks since they no longer make sense after | |
| 675 // GCM service is stopped. | |
| 676 weak_ptr_factory_.InvalidateWeakPtrs(); | |
| 677 | |
| 678 account_id_.clear(); | |
| 679 gcm_client_ready_ = false; | |
| 680 delayed_task_controller_.reset(); | |
| 681 register_callbacks_.clear(); | |
| 682 send_callbacks_.clear(); | |
| 683 } | |
| 684 | |
| 685 void GCMDriver::CheckOut() { | |
| 686 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 687 | |
| 688 // We still proceed with the check-out logic even if the check-in is not | |
| 689 // initiated in the current session. This will make sure that all the | |
| 690 // persisted data written previously will get purged. | |
| 691 | |
| 692 RemoveCachedData(); | |
| 693 | |
| 694 io_thread_->PostTask( | |
| 695 FROM_HERE, | |
| 696 base::Bind(&GCMDriver::IOWorker::CheckOut, | |
| 697 base::Unretained(io_worker_.get()))); | |
| 698 } | |
| 699 | |
| 700 bool GCMDriver::IsAsyncOperationPending(const std::string& app_id) const { | |
| 701 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 702 return register_callbacks_.find(app_id) != register_callbacks_.end() || | |
| 703 unregister_callbacks_.find(app_id) != unregister_callbacks_.end(); | |
| 704 } | |
| 705 | |
| 706 void GCMDriver::RegisterFinished(const std::string& app_id, | |
| 707 const std::string& registration_id, | |
| 708 GCMClient::Result result) { | |
| 709 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 710 | |
| 711 std::map<std::string, RegisterCallback>::iterator callback_iter = | |
| 712 register_callbacks_.find(app_id); | |
| 713 if (callback_iter == register_callbacks_.end()) { | |
| 714 // The callback could have been removed when the app is uninstalled. | |
| 715 return; | |
| 716 } | |
| 717 | |
| 718 RegisterCallback callback = callback_iter->second; | |
| 719 register_callbacks_.erase(callback_iter); | |
| 720 callback.Run(registration_id, result); | |
| 721 } | |
| 722 | |
| 723 void GCMDriver::UnregisterFinished(const std::string& app_id, | |
| 724 GCMClient::Result result) { | |
| 725 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 726 | |
| 727 std::map<std::string, UnregisterCallback>::iterator callback_iter = | |
| 728 unregister_callbacks_.find(app_id); | |
| 729 if (callback_iter == unregister_callbacks_.end()) | |
| 730 return; | |
| 731 | |
| 732 UnregisterCallback callback = callback_iter->second; | |
| 733 unregister_callbacks_.erase(callback_iter); | |
| 734 callback.Run(result); | |
| 735 } | |
| 736 | |
| 737 void GCMDriver::SendFinished(const std::string& app_id, | |
| 738 const std::string& message_id, | |
| 739 GCMClient::Result result) { | |
| 740 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 741 | |
| 742 std::map<std::pair<std::string, std::string>, SendCallback>::iterator | |
| 743 callback_iter = send_callbacks_.find( | |
| 744 std::pair<std::string, std::string>(app_id, message_id)); | |
| 745 if (callback_iter == send_callbacks_.end()) { | |
| 746 // The callback could have been removed when the app is uninstalled. | |
| 747 return; | |
| 748 } | |
| 749 | |
| 750 SendCallback callback = callback_iter->second; | |
| 751 send_callbacks_.erase(callback_iter); | |
| 752 callback.Run(message_id, result); | |
| 753 } | |
| 754 | |
| 755 void GCMDriver::MessageReceived(const std::string& app_id, | |
| 756 GCMClient::IncomingMessage message) { | |
| 757 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 758 | |
| 759 // Drop the event if signed out. | |
| 760 if (account_id_.empty()) | |
| 761 return; | |
| 762 | |
| 763 GetAppHandler(app_id)->OnMessage(app_id, message); | |
| 764 } | |
| 765 | |
| 766 void GCMDriver::MessagesDeleted(const std::string& app_id) { | |
| 767 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 768 | |
| 769 // Drop the event if signed out. | |
| 770 if (account_id_.empty()) | |
| 771 return; | |
| 772 | |
| 773 GetAppHandler(app_id)->OnMessagesDeleted(app_id); | |
| 774 } | |
| 775 | |
| 776 void GCMDriver::MessageSendError( | |
| 777 const std::string& app_id, | |
| 778 const GCMClient::SendErrorDetails& send_error_details) { | |
| 779 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 780 | |
| 781 // Drop the event if signed out. | |
| 782 if (account_id_.empty()) | |
| 783 return; | |
| 784 | |
| 785 GetAppHandler(app_id)->OnSendError(app_id, send_error_details); | |
| 786 } | |
| 787 | |
| 788 void GCMDriver::GCMClientReady() { | |
| 789 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 790 | |
| 791 if (gcm_client_ready_) | |
| 792 return; | |
| 793 gcm_client_ready_ = true; | |
| 794 | |
| 795 delayed_task_controller_->SetReady(); | |
| 796 } | |
| 797 | |
| 798 GCMAppHandler* GCMDriver::GetAppHandler(const std::string& app_id) { | |
| 799 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 800 | |
| 801 std::map<std::string, GCMAppHandler*>::const_iterator iter = | |
| 802 app_handlers_.find(app_id); | |
| 803 return iter == app_handlers_.end() ? &default_app_handler_ : iter->second; | |
| 804 } | |
| 805 | |
| 806 void GCMDriver::GetGCMStatisticsFinished(GCMClient::GCMStatistics stats) { | |
| 807 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 808 | |
| 809 // Normally request_gcm_statistics_callback_ would not be null. | |
| 810 if (!request_gcm_statistics_callback_.is_null()) | |
| 811 request_gcm_statistics_callback_.Run(stats); | |
| 812 else | |
| 813 LOG(WARNING) << "request_gcm_statistics_callback_ is NULL."; | |
| 814 } | |
| 815 | |
| 816 std::string GCMDriver::SignedInUserName() const { | |
| 817 if (IsStarted()) | |
| 818 return identity_provider_->GetActiveUsername(); | |
| 819 return std::string(); | |
| 820 } | |
| 821 | |
| 822 } // namespace gcm | |
| OLD | NEW |