| /* |
| * Copyright (C) 2013, 2016 Apple 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 INC. 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 INC. 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. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(INDEXED_DATABASE) |
| |
| #include "IDBError.h" |
| #include "IDBResourceIdentifier.h" |
| #include "IDBTransactionInfo.h" |
| #include "IndexedDB.h" |
| #include <wtf/HashMap.h> |
| #include <wtf/HashSet.h> |
| #include <wtf/Noncopyable.h> |
| |
| namespace WebCore { |
| |
| class IDBCursorInfo; |
| class SQLiteDatabase; |
| class SQLiteTransaction; |
| struct IDBKeyRangeData; |
| |
| namespace IDBServer { |
| |
| class SQLiteIDBBackingStore; |
| class SQLiteIDBCursor; |
| |
| class SQLiteIDBTransaction { |
| WTF_MAKE_FAST_ALLOCATED; |
| WTF_MAKE_NONCOPYABLE(SQLiteIDBTransaction); |
| public: |
| SQLiteIDBTransaction(SQLiteIDBBackingStore&, const IDBTransactionInfo&); |
| ~SQLiteIDBTransaction(); |
| |
| const IDBResourceIdentifier& transactionIdentifier() const { return m_info.identifier(); } |
| |
| IDBError begin(SQLiteDatabase&); |
| IDBError commit(); |
| IDBError abort(); |
| |
| std::unique_ptr<SQLiteIDBCursor> maybeOpenBackingStoreCursor(uint64_t objectStoreID, uint64_t indexID, const IDBKeyRangeData&); |
| SQLiteIDBCursor* maybeOpenCursor(const IDBCursorInfo&); |
| |
| void closeCursor(SQLiteIDBCursor&); |
| void notifyCursorsOfChanges(int64_t objectStoreID); |
| |
| IDBTransactionMode mode() const { return m_info.mode(); } |
| bool inProgress() const; |
| |
| SQLiteTransaction* sqliteTransaction() const { return m_sqliteTransaction.get(); } |
| SQLiteIDBBackingStore& backingStore() { return m_backingStore; } |
| |
| void addBlobFile(const String& temporaryPath, const String& storedFilename); |
| void addRemovedBlobFile(const String& removedFilename); |
| |
| private: |
| void clearCursors(); |
| void reset(); |
| |
| void moveBlobFilesIfNecessary(); |
| void deleteBlobFilesIfNecessary(); |
| |
| IDBTransactionInfo m_info; |
| |
| SQLiteIDBBackingStore& m_backingStore; |
| std::unique_ptr<SQLiteTransaction> m_sqliteTransaction; |
| HashMap<IDBResourceIdentifier, std::unique_ptr<SQLiteIDBCursor>> m_cursors; |
| HashSet<SQLiteIDBCursor*> m_backingStoreCursors; |
| Vector<std::pair<String, String>> m_blobTemporaryAndStoredFilenames; |
| HashSet<String> m_blobRemovedFilenames; |
| }; |
| |
| } // namespace IDBServer |
| } // namespace WebCore |
| |
| #endif // ENABLE(INDEXED_DATABASE) |