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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "components/gcm_driver/gcm_driver.h" | 5 #include "components/gcm_driver/gcm_driver.h" |
| 6 | 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" | 7 #include "base/logging.h" |
| 15 #include "base/sequenced_task_runner.h" | |
| 16 #include "base/threading/sequenced_worker_pool.h" | |
| 17 #include "components/gcm_driver/gcm_app_handler.h" | 8 #include "components/gcm_driver/gcm_app_handler.h" |
| 18 #include "components/gcm_driver/gcm_client_factory.h" | |
| 19 #include "components/gcm_driver/system_encryptor.h" | |
| 20 #include "google_apis/gaia/oauth2_token_service.h" | |
| 21 #include "net/url_request/url_request_context_getter.h" | |
| 22 | 9 |
| 23 namespace gcm { | 10 namespace gcm { |
| 24 | 11 |
| 25 // Helper class to save tasks to run until we're ready to execute them. | 12 GCMDriver::GCMDriver() { |
| 26 class GCMDriver::DelayedTaskController { | |
| 27 public: | |
| 28 DelayedTaskController(); | |
| 29 ~DelayedTaskController(); | |
| 30 | |
| 31 // Adds a task that will be invoked once we're ready. | |
| 32 void AddTask(const base::Closure& task); | |
| 33 | |
| 34 // Sets ready status. It is ready only when check-in is completed and | |
| 35 // the GCMClient is fully initialized. | |
| 36 void SetReady(); | |
| 37 | |
| 38 // Returns true if it is ready to perform tasks. | |
| 39 bool CanRunTaskWithoutDelay() const; | |
| 40 | |
| 41 private: | |
| 42 void RunTasks(); | |
| 43 | |
| 44 // Flag that indicates that GCM is ready. | |
| 45 bool ready_; | |
| 46 | |
| 47 std::vector<base::Closure> delayed_tasks_; | |
| 48 | |
| 49 DISALLOW_COPY_AND_ASSIGN(DelayedTaskController); | |
| 50 }; | |
| 51 | |
| 52 GCMDriver::DelayedTaskController::DelayedTaskController() : ready_(false) { | |
| 53 } | |
| 54 | |
| 55 GCMDriver::DelayedTaskController::~DelayedTaskController() { | |
| 56 } | |
| 57 | |
| 58 void GCMDriver::DelayedTaskController::AddTask(const base::Closure& task) { | |
| 59 delayed_tasks_.push_back(task); | |
| 60 } | |
| 61 | |
| 62 void GCMDriver::DelayedTaskController::SetReady() { | |
| 63 ready_ = true; | |
| 64 RunTasks(); | |
| 65 } | |
| 66 | |
| 67 bool GCMDriver::DelayedTaskController::CanRunTaskWithoutDelay() const { | |
| 68 return ready_; | |
| 69 } | |
| 70 | |
| 71 void GCMDriver::DelayedTaskController::RunTasks() { | |
| 72 DCHECK(ready_); | |
| 73 | |
| 74 for (size_t i = 0; i < delayed_tasks_.size(); ++i) | |
| 75 delayed_tasks_[i].Run(); | |
| 76 delayed_tasks_.clear(); | |
| 77 } | |
| 78 | |
| 79 class GCMDriver::IOWorker : public GCMClient::Delegate { | |
| 80 public: | |
| 81 // Called on UI thread. | |
| 82 IOWorker(const scoped_refptr<base::SequencedTaskRunner>& ui_thread, | |
| 83 const scoped_refptr<base::SequencedTaskRunner>& io_thread); | |
| 84 virtual ~IOWorker(); | |
| 85 | |
| 86 // Overridden from GCMClient::Delegate: | |
| 87 // Called on IO thread. | |
| 88 virtual void OnRegisterFinished(const std::string& app_id, | |
| 89 const std::string& registration_id, | |
| 90 GCMClient::Result result) OVERRIDE; | |
| 91 virtual void OnUnregisterFinished(const std::string& app_id, | |
| 92 GCMClient::Result result) OVERRIDE; | |
| 93 virtual void OnSendFinished(const std::string& app_id, | |
| 94 const std::string& message_id, | |
| 95 GCMClient::Result result) OVERRIDE; | |
| 96 virtual void OnMessageReceived( | |
| 97 const std::string& app_id, | |
| 98 const GCMClient::IncomingMessage& message) OVERRIDE; | |
| 99 virtual void OnMessagesDeleted(const std::string& app_id) OVERRIDE; | |
| 100 virtual void OnMessageSendError( | |
| 101 const std::string& app_id, | |
| 102 const GCMClient::SendErrorDetails& send_error_details) OVERRIDE; | |
| 103 virtual void OnGCMReady() OVERRIDE; | |
| 104 virtual void OnActivityRecorded() OVERRIDE; | |
| 105 | |
| 106 // Called on IO thread. | |
| 107 void Initialize( | |
| 108 scoped_ptr<GCMClientFactory> gcm_client_factory, | |
| 109 const GCMClient::ChromeBuildInfo& chrome_build_info, | |
| 110 const base::FilePath& store_path, | |
| 111 const std::vector<std::string>& account_ids, | |
| 112 const scoped_refptr<net::URLRequestContextGetter>& request_context, | |
| 113 const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner); | |
| 114 void Start(const base::WeakPtr<GCMDriver>& service); | |
| 115 void Stop(); | |
| 116 void CheckOut(); | |
| 117 void Register(const std::string& app_id, | |
| 118 const std::vector<std::string>& sender_ids); | |
| 119 void Unregister(const std::string& app_id); | |
| 120 void Send(const std::string& app_id, | |
| 121 const std::string& receiver_id, | |
| 122 const GCMClient::OutgoingMessage& message); | |
| 123 void GetGCMStatistics(bool clear_logs); | |
| 124 void SetGCMRecording(bool recording); | |
| 125 | |
| 126 // For testing purpose. Can be called from UI thread. Use with care. | |
| 127 GCMClient* gcm_client_for_testing() const { return gcm_client_.get(); } | |
| 128 | |
| 129 private: | |
| 130 scoped_refptr<base::SequencedTaskRunner> ui_thread_; | |
| 131 scoped_refptr<base::SequencedTaskRunner> io_thread_; | |
| 132 | |
| 133 base::WeakPtr<GCMDriver> service_; | |
| 134 | |
| 135 scoped_ptr<GCMClient> gcm_client_; | |
| 136 | |
| 137 DISALLOW_COPY_AND_ASSIGN(IOWorker); | |
| 138 }; | |
| 139 | |
| 140 GCMDriver::IOWorker::IOWorker( | |
| 141 const scoped_refptr<base::SequencedTaskRunner>& ui_thread, | |
| 142 const scoped_refptr<base::SequencedTaskRunner>& io_thread) | |
| 143 : ui_thread_(ui_thread), | |
| 144 io_thread_(io_thread) { | |
| 145 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 146 } | |
| 147 | |
| 148 GCMDriver::IOWorker::~IOWorker() { | |
| 149 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 150 } | |
| 151 | |
| 152 void GCMDriver::IOWorker::Initialize( | |
| 153 scoped_ptr<GCMClientFactory> gcm_client_factory, | |
| 154 const GCMClient::ChromeBuildInfo& chrome_build_info, | |
| 155 const base::FilePath& store_path, | |
| 156 const std::vector<std::string>& account_ids, | |
| 157 const scoped_refptr<net::URLRequestContextGetter>& request_context, | |
| 158 const scoped_refptr<base::SequencedTaskRunner> blocking_task_runner) { | |
| 159 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 160 | |
| 161 gcm_client_ = gcm_client_factory->BuildInstance(); | |
| 162 | |
| 163 gcm_client_->Initialize(chrome_build_info, | |
| 164 store_path, | |
| 165 account_ids, | |
| 166 blocking_task_runner, | |
| 167 request_context, | |
| 168 make_scoped_ptr<Encryptor>(new SystemEncryptor), | |
| 169 this); | |
| 170 } | |
| 171 | |
| 172 void GCMDriver::IOWorker::OnRegisterFinished( | |
| 173 const std::string& app_id, | |
| 174 const std::string& registration_id, | |
| 175 GCMClient::Result result) { | |
| 176 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 177 | |
| 178 ui_thread_->PostTask( | |
| 179 FROM_HERE, | |
| 180 base::Bind(&GCMDriver::RegisterFinished, service_, app_id, | |
| 181 registration_id, result)); | |
| 182 } | |
| 183 | |
| 184 void GCMDriver::IOWorker::OnUnregisterFinished(const std::string& app_id, | |
| 185 GCMClient::Result result) { | |
| 186 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 187 | |
| 188 ui_thread_->PostTask( | |
| 189 FROM_HERE, | |
| 190 base::Bind(&GCMDriver::UnregisterFinished, service_, app_id, result)); | |
| 191 } | |
| 192 | |
| 193 void GCMDriver::IOWorker::OnSendFinished(const std::string& app_id, | |
| 194 const std::string& message_id, | |
| 195 GCMClient::Result result) { | |
| 196 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 197 | |
| 198 ui_thread_->PostTask( | |
| 199 FROM_HERE, | |
| 200 base::Bind(&GCMDriver::SendFinished, service_, app_id, message_id, | |
| 201 result)); | |
| 202 } | |
| 203 | |
| 204 void GCMDriver::IOWorker::OnMessageReceived( | |
| 205 const std::string& app_id, | |
| 206 const GCMClient::IncomingMessage& message) { | |
| 207 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 208 | |
| 209 ui_thread_->PostTask( | |
| 210 FROM_HERE, | |
| 211 base::Bind(&GCMDriver::MessageReceived, service_, app_id, message)); | |
| 212 } | |
| 213 | |
| 214 void GCMDriver::IOWorker::OnMessagesDeleted(const std::string& app_id) { | |
| 215 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 216 | |
| 217 ui_thread_->PostTask( | |
| 218 FROM_HERE, | |
| 219 base::Bind(&GCMDriver::MessagesDeleted, service_, app_id)); | |
| 220 } | |
| 221 | |
| 222 void GCMDriver::IOWorker::OnMessageSendError( | |
| 223 const std::string& app_id, | |
| 224 const GCMClient::SendErrorDetails& send_error_details) { | |
| 225 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 226 | |
| 227 ui_thread_->PostTask( | |
| 228 FROM_HERE, | |
| 229 base::Bind(&GCMDriver::MessageSendError, service_, app_id, | |
| 230 send_error_details)); | |
| 231 } | |
| 232 | |
| 233 void GCMDriver::IOWorker::OnGCMReady() { | |
| 234 ui_thread_->PostTask( | |
| 235 FROM_HERE, | |
| 236 base::Bind(&GCMDriver::GCMClientReady, service_)); | |
| 237 } | |
| 238 | |
| 239 void GCMDriver::IOWorker::OnActivityRecorded() { | |
| 240 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 241 // When an activity is recorded, get all the stats and refresh the UI of | |
| 242 // gcm-internals page. | |
| 243 GetGCMStatistics(false); | |
| 244 } | |
| 245 | |
| 246 void GCMDriver::IOWorker::Start(const base::WeakPtr<GCMDriver>& service) { | |
| 247 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 248 | |
| 249 service_ = service; | |
| 250 gcm_client_->Start(); | |
| 251 } | |
| 252 | |
| 253 void GCMDriver::IOWorker::Stop() { | |
| 254 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 255 | |
| 256 gcm_client_->Stop(); | |
| 257 } | |
| 258 | |
| 259 void GCMDriver::IOWorker::CheckOut() { | |
| 260 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 261 | |
| 262 gcm_client_->CheckOut(); | |
| 263 | |
| 264 // Note that we still need to keep GCMClient instance alive since the | |
| 265 // GCMDriver may check in again. | |
| 266 } | |
| 267 | |
| 268 void GCMDriver::IOWorker::Register( | |
| 269 const std::string& app_id, | |
| 270 const std::vector<std::string>& sender_ids) { | |
| 271 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 272 | |
| 273 gcm_client_->Register(app_id, sender_ids); | |
| 274 } | |
| 275 | |
| 276 void GCMDriver::IOWorker::Unregister(const std::string& app_id) { | |
| 277 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 278 | |
| 279 gcm_client_->Unregister(app_id); | |
| 280 } | |
| 281 | |
| 282 void GCMDriver::IOWorker::Send(const std::string& app_id, | |
| 283 const std::string& receiver_id, | |
| 284 const GCMClient::OutgoingMessage& message) { | |
| 285 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 286 | |
| 287 gcm_client_->Send(app_id, receiver_id, message); | |
| 288 } | |
| 289 | |
| 290 void GCMDriver::IOWorker::GetGCMStatistics(bool clear_logs) { | |
| 291 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 292 gcm::GCMClient::GCMStatistics stats; | |
| 293 | |
| 294 if (gcm_client_.get()) { | |
| 295 if (clear_logs) | |
| 296 gcm_client_->ClearActivityLogs(); | |
| 297 stats = gcm_client_->GetStatistics(); | |
| 298 } | |
| 299 | |
| 300 ui_thread_->PostTask( | |
| 301 FROM_HERE, | |
| 302 base::Bind(&GCMDriver::GetGCMStatisticsFinished, service_, stats)); | |
| 303 } | |
| 304 | |
| 305 void GCMDriver::IOWorker::SetGCMRecording(bool recording) { | |
| 306 DCHECK(io_thread_->RunsTasksOnCurrentThread()); | |
| 307 gcm::GCMClient::GCMStatistics stats; | |
| 308 | |
| 309 if (gcm_client_.get()) { | |
| 310 gcm_client_->SetRecording(recording); | |
| 311 stats = gcm_client_->GetStatistics(); | |
| 312 stats.gcm_client_created = true; | |
| 313 } | |
| 314 | |
| 315 ui_thread_->PostTask( | |
| 316 FROM_HERE, | |
| 317 base::Bind(&GCMDriver::GetGCMStatisticsFinished, service_, stats)); | |
| 318 } | |
| 319 | |
| 320 GCMDriver::GCMDriver( | |
| 321 scoped_ptr<GCMClientFactory> gcm_client_factory, | |
| 322 scoped_ptr<IdentityProvider> identity_provider, | |
| 323 const GCMClient::ChromeBuildInfo& chrome_build_info, | |
| 324 const base::FilePath& store_path, | |
| 325 const scoped_refptr<net::URLRequestContextGetter>& request_context, | |
| 326 const scoped_refptr<base::SequencedTaskRunner>& ui_thread, | |
| 327 const scoped_refptr<base::SequencedTaskRunner>& io_thread, | |
| 328 const scoped_refptr<base::SequencedTaskRunner>& blocking_task_runner) | |
| 329 : gcm_enabled_(true), | |
| 330 gcm_client_ready_(false), | |
| 331 identity_provider_(identity_provider.Pass()), | |
| 332 ui_thread_(ui_thread), | |
| 333 io_thread_(io_thread), | |
| 334 weak_ptr_factory_(this) { | |
| 335 // Get the list of available accounts. | |
| 336 std::vector<std::string> account_ids; | |
| 337 #if !defined(OS_ANDROID) | |
| 338 account_ids = identity_provider_->GetTokenService()->GetAccounts(); | |
| 339 #endif | |
| 340 | |
| 341 // Create and initialize the GCMClient. Note that this does not initiate the | |
| 342 // GCM check-in. | |
| 343 io_worker_.reset(new IOWorker(ui_thread, io_thread)); | |
| 344 io_thread_->PostTask( | |
| 345 FROM_HERE, | |
| 346 base::Bind(&GCMDriver::IOWorker::Initialize, | |
| 347 base::Unretained(io_worker_.get()), | |
| 348 base::Passed(&gcm_client_factory), | |
| 349 chrome_build_info, | |
| 350 store_path, | |
| 351 account_ids, | |
| 352 request_context, | |
| 353 blocking_task_runner)); | |
| 354 | |
| 355 identity_provider_->AddObserver(this); | |
| 356 } | |
| 357 | |
| 358 GCMDriver::GCMDriver() | |
| 359 : gcm_enabled_(true), | |
| 360 gcm_client_ready_(false), | |
| 361 weak_ptr_factory_(this) { | |
| 362 } | 13 } |
| 363 | 14 |
| 364 GCMDriver::~GCMDriver() { | 15 GCMDriver::~GCMDriver() { |
| 365 } | 16 } |
| 366 | 17 |
| 367 void GCMDriver::Enable() { | |
| 368 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 369 | |
| 370 if (gcm_enabled_) | |
| 371 return; | |
| 372 gcm_enabled_ = true; | |
| 373 | |
| 374 EnsureStarted(); | |
| 375 } | |
| 376 | |
| 377 void GCMDriver::Disable() { | |
| 378 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 379 | |
| 380 if (!gcm_enabled_) | |
| 381 return; | |
| 382 gcm_enabled_ = false; | |
| 383 | |
| 384 Stop(); | |
| 385 } | |
| 386 | |
| 387 void GCMDriver::Stop() { | |
| 388 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 389 | |
| 390 // No need to stop GCM service if not started yet. | |
| 391 if (account_id_.empty()) | |
| 392 return; | |
| 393 | |
| 394 RemoveCachedData(); | |
| 395 | |
| 396 io_thread_->PostTask( | |
| 397 FROM_HERE, | |
| 398 base::Bind(&GCMDriver::IOWorker::Stop, | |
| 399 base::Unretained(io_worker_.get()))); | |
| 400 } | |
| 401 | |
| 402 void GCMDriver::Shutdown() { | 18 void GCMDriver::Shutdown() { |
| 403 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 404 identity_provider_->RemoveObserver(this); | |
| 405 for (GCMAppHandlerMap::const_iterator iter = app_handlers_.begin(); | 19 for (GCMAppHandlerMap::const_iterator iter = app_handlers_.begin(); |
| 406 iter != app_handlers_.end(); ++iter) { | 20 iter != app_handlers_.end(); ++iter) { |
| 407 iter->second->ShutdownHandler(); | 21 iter->second->ShutdownHandler(); |
| 408 } | 22 } |
| 409 app_handlers_.clear(); | 23 app_handlers_.clear(); |
| 410 io_thread_->DeleteSoon(FROM_HERE, io_worker_.release()); | |
| 411 } | 24 } |
| 412 | 25 |
| 413 void GCMDriver::AddAppHandler(const std::string& app_id, | 26 void GCMDriver::AddAppHandler(const std::string& app_id, |
| 414 GCMAppHandler* handler) { | 27 GCMAppHandler* handler) { |
| 415 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 416 DCHECK(!app_id.empty()); | 28 DCHECK(!app_id.empty()); |
| 417 DCHECK(handler); | 29 DCHECK(handler); |
| 418 DCHECK(app_handlers_.find(app_id) == app_handlers_.end()); | 30 DCHECK(app_handlers_.find(app_id) == app_handlers_.end()); |
| 419 | |
| 420 app_handlers_[app_id] = handler; | 31 app_handlers_[app_id] = handler; |
| 421 | |
| 422 // Ensures that the GCM service is started when there is an interest. | |
| 423 EnsureStarted(); | |
| 424 } | 32 } |
| 425 | 33 |
| 426 void GCMDriver::RemoveAppHandler(const std::string& app_id) { | 34 void GCMDriver::RemoveAppHandler(const std::string& app_id) { |
| 427 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 428 DCHECK(!app_id.empty()); | 35 DCHECK(!app_id.empty()); |
| 429 | |
| 430 app_handlers_.erase(app_id); | 36 app_handlers_.erase(app_id); |
| 431 | |
| 432 // Stops the GCM service when no app intends to consume it. | |
| 433 if (app_handlers_.empty()) | |
| 434 Stop(); | |
| 435 } | |
| 436 | |
| 437 void GCMDriver::Register(const std::string& app_id, | |
| 438 const std::vector<std::string>& sender_ids, | |
| 439 const RegisterCallback& callback) { | |
| 440 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 441 DCHECK(!app_id.empty()); | |
| 442 DCHECK(!sender_ids.empty()); | |
| 443 DCHECK(!callback.is_null()); | |
| 444 | |
| 445 GCMClient::Result result = EnsureStarted(); | |
| 446 if (result != GCMClient::SUCCESS) { | |
| 447 callback.Run(std::string(), result); | |
| 448 return; | |
| 449 } | |
| 450 | |
| 451 // If previous un/register operation is still in progress, bail out. | |
| 452 if (IsAsyncOperationPending(app_id)) { | |
| 453 callback.Run(std::string(), GCMClient::ASYNC_OPERATION_PENDING); | |
| 454 return; | |
| 455 } | |
| 456 | |
| 457 register_callbacks_[app_id] = callback; | |
| 458 | |
| 459 // Delay the register operation until GCMClient is ready. | |
| 460 if (!delayed_task_controller_->CanRunTaskWithoutDelay()) { | |
| 461 delayed_task_controller_->AddTask(base::Bind(&GCMDriver::DoRegister, | |
| 462 weak_ptr_factory_.GetWeakPtr(), | |
| 463 app_id, | |
| 464 sender_ids)); | |
| 465 return; | |
| 466 } | |
| 467 | |
| 468 DoRegister(app_id, sender_ids); | |
| 469 } | |
| 470 | |
| 471 void GCMDriver::DoRegister(const std::string& app_id, | |
| 472 const std::vector<std::string>& sender_ids) { | |
| 473 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 474 std::map<std::string, RegisterCallback>::iterator callback_iter = | |
| 475 register_callbacks_.find(app_id); | |
| 476 if (callback_iter == register_callbacks_.end()) { | |
| 477 // The callback could have been removed when the app is uninstalled. | |
| 478 return; | |
| 479 } | |
| 480 | |
| 481 // Normalize the sender IDs by making them sorted. | |
| 482 std::vector<std::string> normalized_sender_ids = sender_ids; | |
| 483 std::sort(normalized_sender_ids.begin(), normalized_sender_ids.end()); | |
| 484 | |
| 485 io_thread_->PostTask( | |
| 486 FROM_HERE, | |
| 487 base::Bind(&GCMDriver::IOWorker::Register, | |
| 488 base::Unretained(io_worker_.get()), | |
| 489 app_id, | |
| 490 normalized_sender_ids)); | |
| 491 } | |
| 492 | |
| 493 void GCMDriver::Unregister(const std::string& app_id, | |
| 494 const UnregisterCallback& callback) { | |
| 495 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 496 DCHECK(!app_id.empty()); | |
| 497 DCHECK(!callback.is_null()); | |
| 498 | |
| 499 GCMClient::Result result = EnsureStarted(); | |
| 500 if (result != GCMClient::SUCCESS) { | |
| 501 callback.Run(result); | |
| 502 return; | |
| 503 } | |
| 504 | |
| 505 // If previous un/register operation is still in progress, bail out. | |
| 506 if (IsAsyncOperationPending(app_id)) { | |
| 507 callback.Run(GCMClient::ASYNC_OPERATION_PENDING); | |
| 508 return; | |
| 509 } | |
| 510 | |
| 511 unregister_callbacks_[app_id] = callback; | |
| 512 | |
| 513 // Delay the unregister operation until GCMClient is ready. | |
| 514 if (!delayed_task_controller_->CanRunTaskWithoutDelay()) { | |
| 515 delayed_task_controller_->AddTask(base::Bind(&GCMDriver::DoUnregister, | |
| 516 weak_ptr_factory_.GetWeakPtr(), | |
| 517 app_id)); | |
| 518 return; | |
| 519 } | |
| 520 | |
| 521 DoUnregister(app_id); | |
| 522 } | |
| 523 | |
| 524 void GCMDriver::DoUnregister(const std::string& app_id) { | |
| 525 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 526 | |
| 527 // Ask the server to unregister it. There could be a small chance that the | |
| 528 // unregister request fails. If this occurs, it does not bring any harm since | |
| 529 // we simply reject the messages/events received from the server. | |
| 530 io_thread_->PostTask( | |
| 531 FROM_HERE, | |
| 532 base::Bind(&GCMDriver::IOWorker::Unregister, | |
| 533 base::Unretained(io_worker_.get()), | |
| 534 app_id)); | |
| 535 } | |
| 536 | |
| 537 void GCMDriver::Send(const std::string& app_id, | |
| 538 const std::string& receiver_id, | |
| 539 const GCMClient::OutgoingMessage& message, | |
| 540 const SendCallback& callback) { | |
| 541 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 542 DCHECK(!app_id.empty()); | |
| 543 DCHECK(!receiver_id.empty()); | |
| 544 DCHECK(!callback.is_null()); | |
| 545 | |
| 546 GCMClient::Result result = EnsureStarted(); | |
| 547 if (result != GCMClient::SUCCESS) { | |
| 548 callback.Run(std::string(), result); | |
| 549 return; | |
| 550 } | |
| 551 | |
| 552 // If the message with send ID is still in progress, bail out. | |
| 553 std::pair<std::string, std::string> key(app_id, message.id); | |
| 554 if (send_callbacks_.find(key) != send_callbacks_.end()) { | |
| 555 callback.Run(message.id, GCMClient::INVALID_PARAMETER); | |
| 556 return; | |
| 557 } | |
| 558 | |
| 559 send_callbacks_[key] = callback; | |
| 560 | |
| 561 // Delay the send operation until all GCMClient is ready. | |
| 562 if (!delayed_task_controller_->CanRunTaskWithoutDelay()) { | |
| 563 delayed_task_controller_->AddTask(base::Bind(&GCMDriver::DoSend, | |
| 564 weak_ptr_factory_.GetWeakPtr(), | |
| 565 app_id, | |
| 566 receiver_id, | |
| 567 message)); | |
| 568 return; | |
| 569 } | |
| 570 | |
| 571 DoSend(app_id, receiver_id, message); | |
| 572 } | |
| 573 | |
| 574 void GCMDriver::DoSend(const std::string& app_id, | |
| 575 const std::string& receiver_id, | |
| 576 const GCMClient::OutgoingMessage& message) { | |
| 577 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 578 io_thread_->PostTask( | |
| 579 FROM_HERE, | |
| 580 base::Bind(&GCMDriver::IOWorker::Send, | |
| 581 base::Unretained(io_worker_.get()), | |
| 582 app_id, | |
| 583 receiver_id, | |
| 584 message)); | |
| 585 } | |
| 586 | |
| 587 GCMClient* GCMDriver::GetGCMClientForTesting() const { | |
| 588 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 589 return io_worker_ ? io_worker_->gcm_client_for_testing() : NULL; | |
| 590 } | |
| 591 | |
| 592 bool GCMDriver::IsStarted() const { | |
| 593 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 594 return !account_id_.empty(); | |
| 595 } | |
| 596 | |
| 597 bool GCMDriver::IsGCMClientReady() const { | |
| 598 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 599 return gcm_client_ready_; | |
| 600 } | |
| 601 | |
| 602 void GCMDriver::GetGCMStatistics(const GetGCMStatisticsCallback& callback, | |
| 603 bool clear_logs) { | |
| 604 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 605 DCHECK(!callback.is_null()); | |
| 606 | |
| 607 request_gcm_statistics_callback_ = callback; | |
| 608 io_thread_->PostTask( | |
| 609 FROM_HERE, | |
| 610 base::Bind(&GCMDriver::IOWorker::GetGCMStatistics, | |
| 611 base::Unretained(io_worker_.get()), | |
| 612 clear_logs)); | |
| 613 } | |
| 614 | |
| 615 void GCMDriver::SetGCMRecording(const GetGCMStatisticsCallback& callback, | |
| 616 bool recording) { | |
| 617 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 618 | |
| 619 request_gcm_statistics_callback_ = callback; | |
| 620 io_thread_->PostTask( | |
| 621 FROM_HERE, | |
| 622 base::Bind(&GCMDriver::IOWorker::SetGCMRecording, | |
| 623 base::Unretained(io_worker_.get()), | |
| 624 recording)); | |
| 625 } | |
| 626 | |
| 627 void GCMDriver::OnActiveAccountLogin() { | |
| 628 EnsureStarted(); | |
| 629 } | |
| 630 | |
| 631 void GCMDriver::OnActiveAccountLogout() { | |
| 632 CheckOut(); | |
| 633 } | |
| 634 | |
| 635 GCMClient::Result GCMDriver::EnsureStarted() { | |
| 636 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 637 | |
| 638 if (!gcm_enabled_) | |
| 639 return GCMClient::GCM_DISABLED; | |
| 640 | |
| 641 // Have any app requested the service? | |
| 642 if (app_handlers_.empty()) | |
| 643 return GCMClient::UNKNOWN_ERROR; | |
| 644 | |
| 645 // Is the user signed in? | |
| 646 const std::string account_id = identity_provider_->GetActiveAccountId(); | |
| 647 if (account_id.empty()) | |
| 648 return GCMClient::NOT_SIGNED_IN; | |
| 649 | |
| 650 // CheckIn could be called more than once when: | |
| 651 // 1) The password changes. | |
| 652 // 2) Register/send function calls it to ensure CheckIn is done. | |
| 653 if (account_id_ == account_id) | |
| 654 return GCMClient::SUCCESS; | |
| 655 account_id_ = account_id; | |
| 656 | |
| 657 DCHECK(!delayed_task_controller_); | |
| 658 delayed_task_controller_.reset(new DelayedTaskController); | |
| 659 | |
| 660 // Note that we need to pass weak pointer again since the existing weak | |
| 661 // pointer in IOWorker might have been invalidated when check-out occurs. | |
| 662 io_thread_->PostTask( | |
| 663 FROM_HERE, | |
| 664 base::Bind(&GCMDriver::IOWorker::Start, | |
| 665 base::Unretained(io_worker_.get()), | |
| 666 weak_ptr_factory_.GetWeakPtr())); | |
| 667 | |
| 668 return GCMClient::SUCCESS; | |
| 669 } | |
| 670 | |
| 671 void GCMDriver::RemoveCachedData() { | |
| 672 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 673 // Remove all the queued tasks since they no longer make sense after | |
| 674 // GCM service is stopped. | |
| 675 weak_ptr_factory_.InvalidateWeakPtrs(); | |
| 676 | |
| 677 account_id_.clear(); | |
| 678 gcm_client_ready_ = false; | |
| 679 delayed_task_controller_.reset(); | |
| 680 register_callbacks_.clear(); | |
| 681 send_callbacks_.clear(); | |
| 682 } | |
| 683 | |
| 684 void GCMDriver::CheckOut() { | |
| 685 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 686 | |
| 687 // We still proceed with the check-out logic even if the check-in is not | |
| 688 // initiated in the current session. This will make sure that all the | |
| 689 // persisted data written previously will get purged. | |
| 690 | |
| 691 RemoveCachedData(); | |
| 692 | |
| 693 io_thread_->PostTask( | |
| 694 FROM_HERE, | |
| 695 base::Bind(&GCMDriver::IOWorker::CheckOut, | |
| 696 base::Unretained(io_worker_.get()))); | |
| 697 } | |
| 698 | |
| 699 bool GCMDriver::IsAsyncOperationPending(const std::string& app_id) const { | |
| 700 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 701 return register_callbacks_.find(app_id) != register_callbacks_.end() || | |
| 702 unregister_callbacks_.find(app_id) != unregister_callbacks_.end(); | |
| 703 } | |
| 704 | |
| 705 void GCMDriver::RegisterFinished(const std::string& app_id, | |
| 706 const std::string& registration_id, | |
| 707 GCMClient::Result result) { | |
| 708 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 709 | |
| 710 std::map<std::string, RegisterCallback>::iterator callback_iter = | |
| 711 register_callbacks_.find(app_id); | |
| 712 if (callback_iter == register_callbacks_.end()) { | |
| 713 // The callback could have been removed when the app is uninstalled. | |
| 714 return; | |
| 715 } | |
| 716 | |
| 717 RegisterCallback callback = callback_iter->second; | |
| 718 register_callbacks_.erase(callback_iter); | |
| 719 callback.Run(registration_id, result); | |
| 720 } | |
| 721 | |
| 722 void GCMDriver::UnregisterFinished(const std::string& app_id, | |
| 723 GCMClient::Result result) { | |
| 724 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 725 | |
| 726 std::map<std::string, UnregisterCallback>::iterator callback_iter = | |
| 727 unregister_callbacks_.find(app_id); | |
| 728 if (callback_iter == unregister_callbacks_.end()) | |
| 729 return; | |
| 730 | |
| 731 UnregisterCallback callback = callback_iter->second; | |
| 732 unregister_callbacks_.erase(callback_iter); | |
| 733 callback.Run(result); | |
| 734 } | |
| 735 | |
| 736 void GCMDriver::SendFinished(const std::string& app_id, | |
| 737 const std::string& message_id, | |
| 738 GCMClient::Result result) { | |
| 739 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 740 | |
| 741 std::map<std::pair<std::string, std::string>, SendCallback>::iterator | |
| 742 callback_iter = send_callbacks_.find( | |
| 743 std::pair<std::string, std::string>(app_id, message_id)); | |
| 744 if (callback_iter == send_callbacks_.end()) { | |
| 745 // The callback could have been removed when the app is uninstalled. | |
| 746 return; | |
| 747 } | |
| 748 | |
| 749 SendCallback callback = callback_iter->second; | |
| 750 send_callbacks_.erase(callback_iter); | |
| 751 callback.Run(message_id, result); | |
| 752 } | |
| 753 | |
| 754 void GCMDriver::MessageReceived(const std::string& app_id, | |
| 755 GCMClient::IncomingMessage message) { | |
| 756 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 757 | |
| 758 // Drop the event if signed out. | |
| 759 if (account_id_.empty()) | |
| 760 return; | |
| 761 | |
| 762 GetAppHandler(app_id)->OnMessage(app_id, message); | |
| 763 } | |
| 764 | |
| 765 void GCMDriver::MessagesDeleted(const std::string& app_id) { | |
| 766 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 767 | |
| 768 // Drop the event if signed out. | |
| 769 if (account_id_.empty()) | |
| 770 return; | |
| 771 | |
| 772 GetAppHandler(app_id)->OnMessagesDeleted(app_id); | |
| 773 } | |
| 774 | |
| 775 void GCMDriver::MessageSendError( | |
| 776 const std::string& app_id, | |
| 777 const GCMClient::SendErrorDetails& send_error_details) { | |
| 778 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 779 | |
| 780 // Drop the event if signed out. | |
| 781 if (account_id_.empty()) | |
| 782 return; | |
| 783 | |
| 784 GetAppHandler(app_id)->OnSendError(app_id, send_error_details); | |
| 785 } | |
| 786 | |
| 787 void GCMDriver::GCMClientReady() { | |
| 788 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 789 | |
| 790 if (gcm_client_ready_) | |
| 791 return; | |
| 792 gcm_client_ready_ = true; | |
| 793 | |
| 794 delayed_task_controller_->SetReady(); | |
| 795 } | 37 } |
| 796 | 38 |
| 797 GCMAppHandler* GCMDriver::GetAppHandler(const std::string& app_id) { | 39 GCMAppHandler* GCMDriver::GetAppHandler(const std::string& app_id) { |
| 798 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | 40 GCMAppHandlerMap::const_iterator iter = app_handlers_.find(app_id); |
| 799 | |
| 800 std::map<std::string, GCMAppHandler*>::const_iterator iter = | |
| 801 app_handlers_.find(app_id); | |
| 802 return iter == app_handlers_.end() ? &default_app_handler_ : iter->second; | 41 return iter == app_handlers_.end() ? &default_app_handler_ : iter->second; |
| 803 } | 42 } |
| 804 | 43 |
| 805 void GCMDriver::GetGCMStatisticsFinished(GCMClient::GCMStatistics stats) { | |
| 806 DCHECK(ui_thread_->RunsTasksOnCurrentThread()); | |
| 807 | |
| 808 // Normally request_gcm_statistics_callback_ would not be null. | |
| 809 if (!request_gcm_statistics_callback_.is_null()) | |
| 810 request_gcm_statistics_callback_.Run(stats); | |
| 811 else | |
| 812 LOG(WARNING) << "request_gcm_statistics_callback_ is NULL."; | |
| 813 } | |
| 814 | |
| 815 std::string GCMDriver::SignedInUserName() const { | |
| 816 if (IsStarted()) | |
| 817 return identity_provider_->GetActiveUsername(); | |
| 818 return std::string(); | |
| 819 } | |
| 820 | |
| 821 } // namespace gcm | 44 } // namespace gcm |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 278493002:
Split GCMDriver into platform-specific implementations (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src