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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2013 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 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_ | 5 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_ |
| 6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_ | 6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_ |
| 7 | 7 |
| 8 #include <queue> | 8 #include <queue> |
| 9 #include <set> | 9 #include <set> |
| 10 #include <stack> | 10 #include <stack> |
| 11 | 11 |
| 12 #include "base/basictypes.h" | 12 #include "base/basictypes.h" |
| 13 #include "base/memory/ref_counted.h" | 13 #include "base/memory/ref_counted.h" |
| 14 #include "base/memory/scoped_ptr.h" | 14 #include "base/memory/scoped_ptr.h" |
| 15 #include "base/time/time.h" | 15 #include "base/time/time.h" |
| 16 #include "base/timer/timer.h" | 16 #include "base/timer/timer.h" |
| 17 #include "content/browser/indexed_db/indexed_db_backing_store.h" | 17 #include "content/browser/indexed_db/indexed_db_backing_store.h" |
| 18 #include "content/browser/indexed_db/indexed_db_database.h" | 18 #include "content/browser/indexed_db/indexed_db_database.h" |
| 19 #include "content/browser/indexed_db/indexed_db_database_error.h" | 19 #include "content/browser/indexed_db/indexed_db_database_error.h" |
| 20 #include "third_party/WebKit/public/platform/WebIDBTypes.h" |
| 20 | 21 |
| 21 namespace content { | 22 namespace content { |
| 22 | 23 |
| 23 class BlobWriteCallbackImpl; | 24 class BlobWriteCallbackImpl; |
| 24 class IndexedDBCursor; | 25 class IndexedDBCursor; |
| 25 class IndexedDBDatabaseCallbacks; | 26 class IndexedDBDatabaseCallbacks; |
| 26 | 27 |
| 27 class CONTENT_EXPORT IndexedDBTransaction | 28 class CONTENT_EXPORT IndexedDBTransaction |
| 28 : public NON_EXPORTED_BASE(base::RefCounted<IndexedDBTransaction>) { | 29 : public NON_EXPORTED_BASE(base::RefCounted<IndexedDBTransaction>) { |
| 29 public: | 30 public: |
| 30 typedef base::Callback<void(IndexedDBTransaction*)> Operation; | 31 typedef base::Callback<void(IndexedDBTransaction*)> Operation; |
| 31 | 32 |
| 32 IndexedDBTransaction( | 33 IndexedDBTransaction( |
| 33 int64 id, | 34 int64 id, |
| 34 scoped_refptr<IndexedDBDatabaseCallbacks> callbacks, | 35 scoped_refptr<IndexedDBDatabaseCallbacks> callbacks, |
| 35 const std::set<int64>& object_store_ids, | 36 const std::set<int64>& object_store_ids, |
| 36 indexed_db::TransactionMode, | 37 blink::WebIDBTransactionMode, |
| 37 IndexedDBDatabase* db, | 38 IndexedDBDatabase* db, |
| 38 IndexedDBBackingStore::Transaction* backing_store_transaction); | 39 IndexedDBBackingStore::Transaction* backing_store_transaction); |
| 39 | 40 |
| 40 virtual void Abort(); | 41 virtual void Abort(); |
| 41 void Commit(); | 42 void Commit(); |
| 42 void Abort(const IndexedDBDatabaseError& error); | 43 void Abort(const IndexedDBDatabaseError& error); |
| 43 | 44 |
| 44 // Called by the transaction coordinator when this transaction is unblocked. | 45 // Called by the transaction coordinator when this transaction is unblocked. |
| 45 void Start(); | 46 void Start(); |
| 46 | 47 |
| 47 indexed_db::TransactionMode mode() const { return mode_; } | 48 blink::WebIDBTransactionMode mode() const { return mode_; } |
| 48 const std::set<int64>& scope() const { return object_store_ids_; } | 49 const std::set<int64>& scope() const { return object_store_ids_; } |
| 49 | 50 |
| 50 void ScheduleTask(Operation task) { | 51 void ScheduleTask(Operation task) { |
| 51 ScheduleTask(IndexedDBDatabase::NORMAL_TASK, task); | 52 ScheduleTask(blink::WebIDBTaskTypeNormal, task); |
| 52 } | 53 } |
| 53 void ScheduleTask(IndexedDBDatabase::TaskType, Operation task); | 54 void ScheduleTask(blink::WebIDBTaskType, Operation task); |
| 54 void ScheduleAbortTask(Operation abort_task); | 55 void ScheduleAbortTask(Operation abort_task); |
| 55 void RegisterOpenCursor(IndexedDBCursor* cursor); | 56 void RegisterOpenCursor(IndexedDBCursor* cursor); |
| 56 void UnregisterOpenCursor(IndexedDBCursor* cursor); | 57 void UnregisterOpenCursor(IndexedDBCursor* cursor); |
| 57 void AddPreemptiveEvent() { pending_preemptive_events_++; } | 58 void AddPreemptiveEvent() { pending_preemptive_events_++; } |
| 58 void DidCompletePreemptiveEvent() { | 59 void DidCompletePreemptiveEvent() { |
| 59 pending_preemptive_events_--; | 60 pending_preemptive_events_--; |
| 60 DCHECK_GE(pending_preemptive_events_, 0); | 61 DCHECK_GE(pending_preemptive_events_, 0); |
| 61 } | 62 } |
| 62 IndexedDBBackingStore::Transaction* BackingStoreTransaction() { | 63 IndexedDBBackingStore::Transaction* BackingStoreTransaction() { |
| 63 return transaction_.get(); | 64 return transaction_.get(); |
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| 106 bool HasPendingTasks() const; | 107 bool HasPendingTasks() const; |
| 107 | 108 |
| 108 void BlobWriteComplete(bool success); | 109 void BlobWriteComplete(bool success); |
| 109 void ProcessTaskQueue(); | 110 void ProcessTaskQueue(); |
| 110 void CloseOpenCursors(); | 111 void CloseOpenCursors(); |
| 111 void CommitPhaseTwo(); | 112 void CommitPhaseTwo(); |
| 112 void Timeout(); | 113 void Timeout(); |
| 113 | 114 |
| 114 const int64 id_; | 115 const int64 id_; |
| 115 const std::set<int64> object_store_ids_; | 116 const std::set<int64> object_store_ids_; |
| 116 const indexed_db::TransactionMode mode_; | 117 const blink::WebIDBTransactionMode mode_; |
| 117 | 118 |
| 118 bool used_; | 119 bool used_; |
| 119 State state_; | 120 State state_; |
| 120 bool commit_pending_; | 121 bool commit_pending_; |
| 121 scoped_refptr<IndexedDBDatabaseCallbacks> callbacks_; | 122 scoped_refptr<IndexedDBDatabaseCallbacks> callbacks_; |
| 122 scoped_refptr<IndexedDBDatabase> database_; | 123 scoped_refptr<IndexedDBDatabase> database_; |
| 123 | 124 |
| 124 class TaskQueue { | 125 class TaskQueue { |
| 125 public: | 126 public: |
| 126 TaskQueue(); | 127 TaskQueue(); |
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| 167 // requests are processed before the timer fires, assume the script is | 168 // requests are processed before the timer fires, assume the script is |
| 168 // unresponsive and abort to unblock the transaction queue. | 169 // unresponsive and abort to unblock the transaction queue. |
| 169 base::OneShotTimer<IndexedDBTransaction> timeout_timer_; | 170 base::OneShotTimer<IndexedDBTransaction> timeout_timer_; |
| 170 | 171 |
| 171 Diagnostics diagnostics_; | 172 Diagnostics diagnostics_; |
| 172 }; | 173 }; |
| 173 | 174 |
| 174 } // namespace content | 175 } // namespace content |
| 175 | 176 |
| 176 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_ | 177 #endif // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_TRANSACTION_H_ |
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