| /* |
| * Copyright (C) 2007, 2013 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. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * 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 SQLTransaction_h |
| #define SQLTransaction_h |
| |
| #include "bindings/v8/ScriptWrappable.h" |
| #include "modules/webdatabase/AbstractSQLTransaction.h" |
| #include "modules/webdatabase/SQLCallbackWrapper.h" |
| #include "modules/webdatabase/SQLStatement.h" |
| #include "modules/webdatabase/SQLTransactionStateMachine.h" |
| #include "wtf/PassRefPtr.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace WebCore { |
| |
| class AbstractSQLTransactionBackend; |
| class Database; |
| class ExceptionState; |
| class SQLError; |
| class SQLStatementCallback; |
| class SQLStatementErrorCallback; |
| class SQLTransactionCallback; |
| class SQLTransactionErrorCallback; |
| class SQLValue; |
| class VoidCallback; |
| |
| class SQLTransaction : public SQLTransactionStateMachine<SQLTransaction>, public AbstractSQLTransaction, public ScriptWrappable { |
| public: |
| static PassRefPtr<SQLTransaction> create(Database*, PassOwnPtr<SQLTransactionCallback>, |
| PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<SQLTransactionErrorCallback>, |
| bool readOnly); |
| |
| void performPendingCallback(); |
| |
| void executeSQL(const String& sqlStatement, const Vector<SQLValue>& arguments, |
| PassOwnPtr<SQLStatementCallback>, PassOwnPtr<SQLStatementErrorCallback>, ExceptionState&); |
| |
| Database* database() { return m_database.get(); } |
| |
| PassOwnPtr<SQLTransactionErrorCallback> releaseErrorCallback(); |
| |
| private: |
| SQLTransaction(Database*, PassOwnPtr<SQLTransactionCallback>, |
| PassOwnPtr<VoidCallback> successCallback, PassOwnPtr<SQLTransactionErrorCallback>, |
| bool readOnly); |
| |
| void clearCallbackWrappers(); |
| |
| // APIs called from the backend published via AbstractSQLTransaction: |
| virtual void requestTransitToState(SQLTransactionState) OVERRIDE; |
| virtual bool hasCallback() const OVERRIDE; |
| virtual bool hasSuccessCallback() const OVERRIDE; |
| virtual bool hasErrorCallback() const OVERRIDE; |
| virtual void setBackend(AbstractSQLTransactionBackend*) OVERRIDE; |
| |
| // State Machine functions: |
| virtual StateFunction stateFunctionFor(SQLTransactionState) OVERRIDE; |
| bool computeNextStateAndCleanupIfNeeded(); |
| |
| // State functions: |
| SQLTransactionState deliverTransactionCallback(); |
| SQLTransactionState deliverTransactionErrorCallback(); |
| SQLTransactionState deliverStatementCallback(); |
| SQLTransactionState deliverQuotaIncreaseCallback(); |
| SQLTransactionState deliverSuccessCallback(); |
| |
| SQLTransactionState unreachableState(); |
| SQLTransactionState sendToBackendState(); |
| |
| SQLTransactionState nextStateForTransactionError(); |
| |
| RefPtr<Database> m_database; |
| RefPtr<AbstractSQLTransactionBackend> m_backend; |
| SQLCallbackWrapper<SQLTransactionCallback> m_callbackWrapper; |
| SQLCallbackWrapper<VoidCallback> m_successCallbackWrapper; |
| SQLCallbackWrapper<SQLTransactionErrorCallback> m_errorCallbackWrapper; |
| |
| bool m_executeSqlAllowed; |
| RefPtr<SQLError> m_transactionError; |
| |
| bool m_readOnly; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // SQLTransaction_h |