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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 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 | 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 "webkit/dom_storage/dom_storage_area.h" | 5 #include "webkit/dom_storage/dom_storage_area.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/location.h" | 8 #include "base/location.h" |
| 9 #include "base/logging.h" | 9 #include "base/logging.h" |
| 10 #include "base/time.h" | 10 #include "base/time.h" |
| 11 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h" | 11 #include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebString.h" |
| 12 #include "webkit/database/database_util.h" | 12 #include "webkit/database/database_util.h" |
| 13 #include "webkit/dom_storage/dom_storage_map.h" | 13 #include "webkit/dom_storage/dom_storage_map.h" |
| 14 #include "webkit/dom_storage/dom_storage_namespace.h" | 14 #include "webkit/dom_storage/dom_storage_namespace.h" |
| 15 #include "webkit/dom_storage/dom_storage_task_runner.h" | 15 #include "webkit/dom_storage/dom_storage_task_runner.h" |
| 16 #include "webkit/dom_storage/dom_storage_types.h" | 16 #include "webkit/dom_storage/dom_storage_types.h" |
| 17 #include "webkit/dom_storage/local_storage_database_adapter.h" | 17 #include "webkit/dom_storage/local_storage_database_adapter.h" |
| 18 #include "webkit/dom_storage/session_storage_database.h" | 18 #include "webkit/dom_storage/session_storage_database.h" |
| 19 #include "webkit/dom_storage/session_storage_database_adapter.h" | 19 #include "webkit/dom_storage/session_storage_database_adapter.h" |
| 20 #include "webkit/fileapi/file_system_util.h" | 20 #include "webkit/fileapi/file_system_util.h" |
| 21 #include "webkit/glue/webkit_glue.h" | 21 #include "webkit/glue/webkit_glue.h" |
| 22 | 22 |
| 23 using webkit_database::DatabaseUtil; | 23 using webkit_database::DatabaseUtil; |
| 24 | 24 |
| 25 namespace dom_storage { | 25 namespace dom_storage { |
| 26 | 26 |
| 27 static const int kCommitTimerSeconds = 1; | 27 // Non-const for testing. |
| 28 static int commit_timer_seconds = 1; |
| 28 | 29 |
| 29 DomStorageArea::CommitBatch::CommitBatch() | 30 DomStorageArea::CommitBatch::CommitBatch() |
| 30 : clear_all_first(false) { | 31 : clear_all_first(false) { |
| 31 } | 32 } |
| 32 DomStorageArea::CommitBatch::~CommitBatch() {} | 33 DomStorageArea::CommitBatch::~CommitBatch() {} |
| 33 | 34 |
| 34 | 35 |
| 35 // static | 36 // static |
| 36 const FilePath::CharType DomStorageArea::kDatabaseFileExtension[] = | 37 const FilePath::CharType DomStorageArea::kDatabaseFileExtension[] = |
| 37 FILE_PATH_LITERAL(".localstorage"); | 38 FILE_PATH_LITERAL(".localstorage"); |
| (...skipping 205 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 243 if (!backing_.get()) | 244 if (!backing_.get()) |
| 244 return; | 245 return; |
| 245 | 246 |
| 246 bool success = task_runner_->PostShutdownBlockingTask( | 247 bool success = task_runner_->PostShutdownBlockingTask( |
| 247 FROM_HERE, | 248 FROM_HERE, |
| 248 DomStorageTaskRunner::COMMIT_SEQUENCE, | 249 DomStorageTaskRunner::COMMIT_SEQUENCE, |
| 249 base::Bind(&DomStorageArea::ShutdownInCommitSequence, this)); | 250 base::Bind(&DomStorageArea::ShutdownInCommitSequence, this)); |
| 250 DCHECK(success); | 251 DCHECK(success); |
| 251 } | 252 } |
| 252 | 253 |
| 254 // static |
| 255 void DomStorageArea::DisableCommitDelayForTesting() { |
| 256 commit_timer_seconds = 0; |
| 257 } |
| 258 |
| 253 void DomStorageArea::InitialImportIfNeeded() { | 259 void DomStorageArea::InitialImportIfNeeded() { |
| 254 if (is_initial_import_done_) | 260 if (is_initial_import_done_) |
| 255 return; | 261 return; |
| 256 | 262 |
| 257 DCHECK(backing_.get()); | 263 DCHECK(backing_.get()); |
| 258 | 264 |
| 259 ValuesMap initial_values; | 265 ValuesMap initial_values; |
| 260 backing_->ReadAllValues(&initial_values); | 266 backing_->ReadAllValues(&initial_values); |
| 261 map_->SwapValues(&initial_values); | 267 map_->SwapValues(&initial_values); |
| 262 is_initial_import_done_ = true; | 268 is_initial_import_done_ = true; |
| 263 } | 269 } |
| 264 | 270 |
| 265 DomStorageArea::CommitBatch* DomStorageArea::CreateCommitBatchIfNeeded() { | 271 DomStorageArea::CommitBatch* DomStorageArea::CreateCommitBatchIfNeeded() { |
| 266 DCHECK(!is_shutdown_); | 272 DCHECK(!is_shutdown_); |
| 267 if (!commit_batch_.get()) { | 273 if (!commit_batch_.get()) { |
| 268 commit_batch_.reset(new CommitBatch()); | 274 commit_batch_.reset(new CommitBatch()); |
| 269 | 275 |
| 270 // Start a timer to commit any changes that accrue in the batch, but only if | 276 // Start a timer to commit any changes that accrue in the batch, but only if |
| 271 // no commits are currently in flight. In that case the timer will be | 277 // no commits are currently in flight. In that case the timer will be |
| 272 // started after the commits have happened. | 278 // started after the commits have happened. |
| 273 if (!commit_batches_in_flight_) { | 279 if (!commit_batches_in_flight_) { |
| 274 task_runner_->PostDelayedTask( | 280 task_runner_->PostDelayedTask( |
| 275 FROM_HERE, | 281 FROM_HERE, |
| 276 base::Bind(&DomStorageArea::OnCommitTimer, this), | 282 base::Bind(&DomStorageArea::OnCommitTimer, this), |
| 277 base::TimeDelta::FromSeconds(kCommitTimerSeconds)); | 283 base::TimeDelta::FromSeconds(commit_timer_seconds)); |
| 278 } | 284 } |
| 279 } | 285 } |
| 280 return commit_batch_.get(); | 286 return commit_batch_.get(); |
| 281 } | 287 } |
| 282 | 288 |
| 283 void DomStorageArea::OnCommitTimer() { | 289 void DomStorageArea::OnCommitTimer() { |
| 284 if (is_shutdown_) | 290 if (is_shutdown_) |
| 285 return; | 291 return; |
| 286 | 292 |
| 287 DCHECK(backing_.get()); | 293 DCHECK(backing_.get()); |
| (...skipping 30 matching lines...) Expand all Loading... |
| 318 // We're back on the primary sequence in this method. | 324 // We're back on the primary sequence in this method. |
| 319 DCHECK(task_runner_->IsRunningOnPrimarySequence()); | 325 DCHECK(task_runner_->IsRunningOnPrimarySequence()); |
| 320 --commit_batches_in_flight_; | 326 --commit_batches_in_flight_; |
| 321 if (is_shutdown_) | 327 if (is_shutdown_) |
| 322 return; | 328 return; |
| 323 if (commit_batch_.get() && !commit_batches_in_flight_) { | 329 if (commit_batch_.get() && !commit_batches_in_flight_) { |
| 324 // More changes have accrued, restart the timer. | 330 // More changes have accrued, restart the timer. |
| 325 task_runner_->PostDelayedTask( | 331 task_runner_->PostDelayedTask( |
| 326 FROM_HERE, | 332 FROM_HERE, |
| 327 base::Bind(&DomStorageArea::OnCommitTimer, this), | 333 base::Bind(&DomStorageArea::OnCommitTimer, this), |
| 328 base::TimeDelta::FromSeconds(kCommitTimerSeconds)); | 334 base::TimeDelta::FromSeconds(commit_timer_seconds)); |
| 329 } | 335 } |
| 330 } | 336 } |
| 331 | 337 |
| 332 void DomStorageArea::ShutdownInCommitSequence() { | 338 void DomStorageArea::ShutdownInCommitSequence() { |
| 333 // This method executes on the commit sequence. | 339 // This method executes on the commit sequence. |
| 334 DCHECK(task_runner_->IsRunningOnCommitSequence()); | 340 DCHECK(task_runner_->IsRunningOnCommitSequence()); |
| 335 DCHECK(backing_.get()); | 341 DCHECK(backing_.get()); |
| 336 if (commit_batch_.get()) { | 342 if (commit_batch_.get()) { |
| 337 // Commit any changes that accrued prior to the timer firing. | 343 // Commit any changes that accrued prior to the timer firing. |
| 338 bool success = backing_->CommitChanges( | 344 bool success = backing_->CommitChanges( |
| 339 commit_batch_->clear_all_first, | 345 commit_batch_->clear_all_first, |
| 340 commit_batch_->changed_values); | 346 commit_batch_->changed_values); |
| 341 DCHECK(success); | 347 DCHECK(success); |
| 342 } | 348 } |
| 343 commit_batch_.reset(); | 349 commit_batch_.reset(); |
| 344 backing_.reset(); | 350 backing_.reset(); |
| 345 session_storage_backing_ = NULL; | 351 session_storage_backing_ = NULL; |
| 346 } | 352 } |
| 347 | 353 |
| 348 } // namespace dom_storage | 354 } // namespace dom_storage |
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