| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef IDBTransaction_h |
| #define IDBTransaction_h |
| |
| #include "bindings/v8/ScriptWrappable.h" |
| #include "core/dom/ActiveDOMObject.h" |
| #include "core/dom/DOMError.h" |
| #include "core/events/Event.h" |
| #include "core/events/EventListener.h" |
| #include "core/events/EventTarget.h" |
| #include "core/events/ThreadLocalEventNames.h" |
| #include "modules/indexeddb/IDBMetadata.h" |
| #include "modules/indexeddb/IndexedDB.h" |
| #include "public/platform/WebIDBDatabase.h" |
| #include "wtf/HashSet.h" |
| #include "wtf/RefCounted.h" |
| |
| namespace WebCore { |
| |
| class DOMError; |
| class ExceptionState; |
| class IDBCursor; |
| class IDBDatabase; |
| class IDBObjectStore; |
| class IDBOpenDBRequest; |
| struct IDBObjectStoreMetadata; |
| |
| class IDBTransaction : public ScriptWrappable, public RefCounted<IDBTransaction>, public EventTargetWithInlineData, public ActiveDOMObject { |
| REFCOUNTED_EVENT_TARGET(IDBTransaction); |
| public: |
| static PassRefPtr<IDBTransaction> create(ExecutionContext*, int64_t, const Vector<String>& objectStoreNames, IndexedDB::TransactionMode, IDBDatabase*); |
| static PassRefPtr<IDBTransaction> create(ExecutionContext*, int64_t, IDBDatabase*, IDBOpenDBRequest*, const IDBDatabaseMetadata& previousMetadata); |
| virtual ~IDBTransaction(); |
| |
| static const AtomicString& modeReadOnly(); |
| static const AtomicString& modeReadWrite(); |
| static const AtomicString& modeVersionChange(); |
| |
| static IndexedDB::TransactionMode stringToMode(const String&, ExceptionState&); |
| static const AtomicString& modeToString(IndexedDB::TransactionMode); |
| |
| blink::WebIDBDatabase* backendDB() const; |
| |
| int64_t id() const { return m_id; } |
| bool isActive() const { return m_state == Active; } |
| bool isFinished() const { return m_state == Finished; } |
| bool isReadOnly() const { return m_mode == IndexedDB::TransactionReadOnly; } |
| bool isVersionChange() const { return m_mode == IndexedDB::TransactionVersionChange; } |
| |
| // Implement the IDBTransaction IDL |
| const String& mode() const; |
| IDBDatabase* db() const { return m_database.get(); } |
| PassRefPtr<DOMError> error() const { return m_error; } |
| PassRefPtr<IDBObjectStore> objectStore(const String& name, ExceptionState&); |
| void abort(ExceptionState&); |
| |
| void registerRequest(IDBRequest*); |
| void unregisterRequest(IDBRequest*); |
| void objectStoreCreated(const String&, PassRefPtr<IDBObjectStore>); |
| void objectStoreDeleted(const String&); |
| void setActive(bool); |
| void setError(PassRefPtr<DOMError>); |
| |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(abort); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(complete); |
| DEFINE_ATTRIBUTE_EVENT_LISTENER(error); |
| |
| virtual void onAbort(PassRefPtr<DOMError>); |
| virtual void onComplete(); |
| |
| // EventTarget |
| virtual const AtomicString& interfaceName() const OVERRIDE; |
| virtual ExecutionContext* executionContext() const OVERRIDE; |
| |
| using EventTarget::dispatchEvent; |
| virtual bool dispatchEvent(PassRefPtr<Event>) OVERRIDE; |
| |
| // ActiveDOMObject |
| virtual bool hasPendingActivity() const OVERRIDE; |
| virtual void stop() OVERRIDE; |
| |
| private: |
| IDBTransaction(ExecutionContext*, int64_t, const Vector<String>&, IndexedDB::TransactionMode, IDBDatabase*, IDBOpenDBRequest*, const IDBDatabaseMetadata&); |
| |
| void enqueueEvent(PassRefPtr<Event>); |
| |
| enum State { |
| Inactive, // Created or started, but not in an event callback |
| Active, // Created or started, in creation scope or an event callback |
| Finishing, // In the process of aborting or completing. |
| Finished, // No more events will fire and no new requests may be filed. |
| }; |
| |
| int64_t m_id; |
| RefPtr<IDBDatabase> m_database; |
| const Vector<String> m_objectStoreNames; |
| IDBOpenDBRequest* m_openDBRequest; |
| const IndexedDB::TransactionMode m_mode; |
| State m_state; |
| bool m_hasPendingActivity; |
| bool m_contextStopped; |
| RefPtr<DOMError> m_error; |
| |
| ListHashSet<RefPtr<IDBRequest> > m_requestList; |
| |
| typedef HashMap<String, RefPtr<IDBObjectStore> > IDBObjectStoreMap; |
| IDBObjectStoreMap m_objectStoreMap; |
| |
| typedef HashSet<RefPtr<IDBObjectStore> > IDBObjectStoreSet; |
| IDBObjectStoreSet m_deletedObjectStores; |
| |
| typedef HashMap<RefPtr<IDBObjectStore>, IDBObjectStoreMetadata> IDBObjectStoreMetadataMap; |
| IDBObjectStoreMetadataMap m_objectStoreCleanupMap; |
| IDBDatabaseMetadata m_previousMetadata; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // IDBTransaction_h |