| /* |
| * 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 IDBDatabaseBackendImpl_h |
| #define IDBDatabaseBackendImpl_h |
| |
| #include "modules/indexeddb/IDBCallbacks.h" |
| #include "modules/indexeddb/IDBMetadata.h" |
| #include <stdint.h> |
| #include "wtf/Deque.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/ListHashSet.h" |
| |
| namespace WebCore { |
| |
| class IDBBackingStore; |
| class IDBDatabase; |
| class IDBFactoryBackendImpl; |
| class IDBTransactionBackendImpl; |
| class IDBTransactionCoordinator; |
| |
| class IDBDatabaseBackendImpl : public IDBDatabaseBackendInterface { |
| public: |
| static PassRefPtr<IDBDatabaseBackendImpl> create(const String& name, IDBBackingStore* database, IDBFactoryBackendImpl*, const String& uniqueIdentifier); |
| virtual ~IDBDatabaseBackendImpl(); |
| |
| PassRefPtr<IDBBackingStore> backingStore() const; |
| |
| static const int64_t InvalidId = 0; |
| int64_t id() const { return m_metadata.id; } |
| void addObjectStore(const IDBObjectStoreMetadata&, int64_t newMaxObjectStoreId); |
| void removeObjectStore(int64_t objectStoreId); |
| void addIndex(int64_t objectStoreId, const IDBIndexMetadata&, int64_t newMaxIndexId); |
| void removeIndex(int64_t objectStoreId, int64_t indexId); |
| |
| void openConnection(PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, int64_t transactionId, int64_t version); |
| void deleteDatabase(PassRefPtr<IDBCallbacks>); |
| const IDBDatabaseMetadata& metadata() const { return m_metadata; } |
| |
| // IDBDatabaseBackendInterface |
| virtual void createObjectStore(int64_t transactionId, int64_t objectStoreId, const String& name, const IDBKeyPath&, bool autoIncrement); |
| virtual void deleteObjectStore(int64_t transactionId, int64_t objectStoreId); |
| virtual void createTransaction(int64_t transactionId, PassRefPtr<IDBDatabaseCallbacks>, const Vector<int64_t>& objectStoreIds, unsigned short mode); |
| virtual void close(PassRefPtr<IDBDatabaseCallbacks>); |
| |
| virtual void commit(int64_t transactionId); |
| virtual void abort(int64_t transactionId); |
| virtual void abort(int64_t transactionId, PassRefPtr<IDBDatabaseError>); |
| |
| virtual void createIndex(int64_t transactionId, int64_t objectStoreId, int64_t indexId, const String& name, const IDBKeyPath&, bool unique, bool multiEntry); |
| virtual void deleteIndex(int64_t transactionId, int64_t objectStoreId, int64_t indexId); |
| |
| IDBTransactionCoordinator* transactionCoordinator() const { return m_transactionCoordinator.get(); } |
| void transactionStarted(PassRefPtr<IDBTransactionBackendImpl>); |
| void transactionFinished(PassRefPtr<IDBTransactionBackendImpl>); |
| void transactionFinishedAndCompleteFired(PassRefPtr<IDBTransactionBackendImpl>); |
| void transactionFinishedAndAbortFired(PassRefPtr<IDBTransactionBackendImpl>); |
| |
| virtual void get(int64_t transactionId, int64_t objectStoreId, int64_t indexId, PassRefPtr<IDBKeyRange>, bool keyOnly, PassRefPtr<IDBCallbacks>) OVERRIDE; |
| virtual void put(int64_t transactionId, int64_t objectStoreId, PassRefPtr<SharedBuffer> value, PassRefPtr<IDBKey>, PutMode, PassRefPtr<IDBCallbacks>, const Vector<int64_t>& indexIds, const Vector<IndexKeys>&) OVERRIDE; |
| virtual void setIndexKeys(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBKey> prpPrimaryKey, const Vector<int64_t>& indexIds, const Vector<IndexKeys>&) OVERRIDE; |
| virtual void setIndexesReady(int64_t transactionId, int64_t objectStoreId, const Vector<int64_t>& indexIds) OVERRIDE; |
| virtual void openCursor(int64_t transactionId, int64_t objectStoreId, int64_t indexId, PassRefPtr<IDBKeyRange>, IndexedDB::CursorDirection, bool keyOnly, TaskType, PassRefPtr<IDBCallbacks>) OVERRIDE; |
| virtual void count(int64_t transactionId, int64_t objectStoreId, int64_t indexId, PassRefPtr<IDBKeyRange>, PassRefPtr<IDBCallbacks>) OVERRIDE; |
| virtual void deleteRange(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBKeyRange>, PassRefPtr<IDBCallbacks>) OVERRIDE; |
| virtual void clear(int64_t transactionId, int64_t objectStoreId, PassRefPtr<IDBCallbacks>) OVERRIDE; |
| |
| private: |
| IDBDatabaseBackendImpl(const String& name, IDBBackingStore* database, IDBFactoryBackendImpl*, const String& uniqueIdentifier); |
| |
| bool isOpenConnectionBlocked() const; |
| bool openInternal(); |
| void runVersionChangeTransaction(PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, int64_t transactionId, int64_t requestedVersion); |
| void runVersionChangeTransactionFinal(PassRefPtr<IDBCallbacks>, PassRefPtr<IDBDatabaseCallbacks>, int64_t transactionId, int64_t requestedVersion); |
| size_t connectionCount() const; |
| void processPendingCalls(); |
| |
| bool isDeleteDatabaseBlocked() const; |
| void deleteDatabaseFinal(PassRefPtr<IDBCallbacks>); |
| |
| class VersionChangeOperation; |
| |
| // When a "versionchange" transaction aborts, these restore the back-end object hierarchy. |
| class VersionChangeAbortOperation; |
| |
| RefPtr<IDBBackingStore> m_backingStore; |
| IDBDatabaseMetadata m_metadata; |
| |
| String m_identifier; |
| // This might not need to be a RefPtr since the factory's lifetime is that of the page group, but it's better to be conservitive than sorry. |
| RefPtr<IDBFactoryBackendImpl> m_factory; |
| |
| OwnPtr<IDBTransactionCoordinator> m_transactionCoordinator; |
| RefPtr<IDBTransactionBackendImpl> m_runningVersionChangeTransaction; |
| |
| typedef HashMap<int64_t, IDBTransactionBackendImpl*> TransactionMap; |
| TransactionMap m_transactions; |
| |
| class PendingOpenCall; |
| Deque<OwnPtr<PendingOpenCall> > m_pendingOpenCalls; |
| OwnPtr<PendingOpenCall> m_pendingRunVersionChangeTransactionCall; |
| OwnPtr<PendingOpenCall> m_pendingSecondHalfOpen; |
| |
| class PendingDeleteCall; |
| Deque<OwnPtr<PendingDeleteCall> > m_pendingDeleteCalls; |
| |
| typedef ListHashSet<RefPtr<IDBDatabaseCallbacks> > DatabaseCallbacksSet; |
| DatabaseCallbacksSet m_databaseCallbacksSet; |
| |
| bool m_closingConnection; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // IDBDatabaseBackendImpl_h |