1 files changed, 0 insertions, 237 deletions
diff --git a/Source/WebCore/Modules/webdatabase/SQLTransactionBackendSync.cpp b/Source/WebCore/Modules/webdatabase/SQLTransactionBackendSync.cpp
deleted file mode 100644
index 552226405..000000000
--- a/Source/WebCore/Modules/webdatabase/SQLTransactionBackendSync.cpp
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- * Copyright (C) 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER OR 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.
- */
-
-#include "config.h"
-#include "SQLTransactionBackendSync.h"
-
-#if ENABLE(SQL_DATABASE)
-
-#include "DatabaseAuthorizer.h"
-#include "DatabaseBackendContext.h"
-#include "DatabaseSync.h"
-#include "SQLException.h"
-#include "SQLResultSet.h"
-#include "SQLStatementSync.h"
-#include "SQLTransactionClient.h"
-#include "SQLTransactionSync.h"
-#include "SQLTransactionSyncCallback.h"
-#include "SQLValue.h"
-#include "SQLiteTransaction.h"
-#include "ScriptExecutionContext.h"
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefPtr.h>
-#include <wtf/text/WTFString.h>
-
-namespace WebCore {
-
-SQLTransactionBackendSync::SQLTransactionBackendSync(DatabaseSync* db, PassRefPtr<SQLTransactionSyncCallback> callback, bool readOnly)
-    : m_database(db)
-    , m_callback(callback)
-    , m_readOnly(readOnly)
-    , m_hasVersionMismatch(false)
-    , m_modifiedDatabase(false)
-    , m_transactionClient(adoptPtr(new SQLTransactionClient()))
-{
-    ASSERT(m_database->scriptExecutionContext()->isContextThread());
-}
-
-SQLTransactionBackendSync::~SQLTransactionBackendSync()
-{
-    ASSERT(m_database->scriptExecutionContext()->isContextThread());
-    if (m_sqliteTransaction && m_sqliteTransaction->inProgress())
-        rollback();
-}
-
-PassRefPtr<SQLResultSet> SQLTransactionBackendSync::executeSQL(const String& sqlStatement, const Vector<SQLValue>& arguments, ExceptionCode& ec)
-{
-    ASSERT(m_database->scriptExecutionContext()->isContextThread());
-
-    m_database->setLastErrorMessage("");
-
-    if (!m_database->opened()) {
-        m_database->setLastErrorMessage("cannot executeSQL because the database is not open");
-        ec = SQLException::UNKNOWN_ERR;
-        return 0;
-    }
-
-    if (m_hasVersionMismatch) {
-        m_database->setLastErrorMessage("cannot executeSQL because there is a version mismatch");
-        ec = SQLException::VERSION_ERR;
-        return 0;
-    }
-
-    if (sqlStatement.isEmpty())
-        return 0;
-
-    int permissions = DatabaseAuthorizer::ReadWriteMask;
-    if (!m_database->databaseContext()->allowDatabaseAccess())
-        permissions |= DatabaseAuthorizer::NoAccessMask;
-    else if (m_readOnly)
-        permissions |= DatabaseAuthorizer::ReadOnlyMask;
-
-    SQLStatementSync statement(sqlStatement, arguments, permissions);
-
-    m_database->resetAuthorizer();
-    bool retryStatement = true;
-    RefPtr<SQLResultSet> resultSet;
-    while (retryStatement) {
-        retryStatement = false;
-        resultSet = statement.execute(m_database.get(), ec);
-        if (!resultSet) {
-            if (m_sqliteTransaction->wasRolledBackBySqlite())
-                return 0;
-
-            if (ec == SQLException::QUOTA_ERR) {
-                if (m_transactionClient->didExceedQuota(database())) {
-                    ec = 0;
-                    retryStatement = true;
-                } else {
-                    m_database->setLastErrorMessage("there was not enough remaining storage space");
-                    return 0;
-                }
-            }
-        }
-    }
-
-    if (m_database->lastActionChangedDatabase())
-        m_modifiedDatabase = true;
-
-    return resultSet.release();
-}
-
-ExceptionCode SQLTransactionBackendSync::begin()
-{
-    ASSERT(m_database->scriptExecutionContext()->isContextThread());
-    if (!m_database->opened()) {
-        m_database->setLastErrorMessage("cannot begin transaction because the database is not open");
-        return SQLException::UNKNOWN_ERR;
-    }
-
-    ASSERT(!m_database->sqliteDatabase().transactionInProgress());
-
-    // Set the maximum usage for this transaction if this transactions is not read-only.
-    if (!m_readOnly)
-        m_database->sqliteDatabase().setMaximumSize(m_database->maximumSize());
-
-    ASSERT(!m_sqliteTransaction);
-    m_sqliteTransaction = adoptPtr(new SQLiteTransaction(m_database->sqliteDatabase(), m_readOnly));
-
-    m_database->resetDeletes();
-    m_database->disableAuthorizer();
-    m_sqliteTransaction->begin();
-    m_database->enableAuthorizer();
-
-    // Check if begin() succeeded.
-    if (!m_sqliteTransaction->inProgress()) {
-        ASSERT(!m_database->sqliteDatabase().transactionInProgress());
-        m_database->setLastErrorMessage("unable to begin transaction",
-            m_database->sqliteDatabase().lastError(), m_database->sqliteDatabase().lastErrorMsg());
-        m_sqliteTransaction.clear();
-        return SQLException::DATABASE_ERR;
-    }
-
-    // Note: We intentionally retrieve the actual version even with an empty expected version.
-    // In multi-process browsers, we take this opportinutiy to update the cached value for
-    // the actual version. In single-process browsers, this is just a map lookup.
-    String actualVersion;
-    if (!m_database->getActualVersionForTransaction(actualVersion)) {
-        m_database->setLastErrorMessage("unable to read version",
-            m_database->sqliteDatabase().lastError(), m_database->sqliteDatabase().lastErrorMsg());
-        rollback();
-        return SQLException::DATABASE_ERR;
-    }
-    m_hasVersionMismatch = !m_database->expectedVersion().isEmpty() && (m_database->expectedVersion() != actualVersion);
-    return 0;
-}
-
-ExceptionCode SQLTransactionBackendSync::execute()
-{
-    ASSERT(m_database->scriptExecutionContext()->isContextThread());
-    if (!m_database->opened() || (m_callback && !m_callback->handleEvent(SQLTransactionSync::from(this)))) {
-        if (m_database->lastErrorMessage().isEmpty())
-            m_database->setLastErrorMessage("failed to execute transaction callback");
-        m_callback = 0;
-        return SQLException::UNKNOWN_ERR;
-    }
-
-    m_callback = 0;
-    return 0;
-}
-
-ExceptionCode SQLTransactionBackendSync::commit()
-{
-    ASSERT(m_database->scriptExecutionContext()->isContextThread());
-    if (!m_database->opened()) {
-        m_database->setLastErrorMessage("unable to commit transaction because the database is not open.");
-        return SQLException::UNKNOWN_ERR;
-    }
-
-    ASSERT(m_sqliteTransaction);
-
-    m_database->disableAuthorizer();
-    m_sqliteTransaction->commit();
-    m_database->enableAuthorizer();
-
-    // If the commit failed, the transaction will still be marked as "in progress"
-    if (m_sqliteTransaction->inProgress()) {
-        m_database->setLastErrorMessage("unable to commit transaction",
-            m_database->sqliteDatabase().lastError(), m_database->sqliteDatabase().lastErrorMsg());
-        return SQLException::DATABASE_ERR;
-    }
-
-    m_sqliteTransaction.clear();
-
-    // Vacuum the database if anything was deleted.
-    if (m_database->hadDeletes())
-        m_database->incrementalVacuumIfNeeded();
-
-    // The commit was successful. If the transaction modified this database, notify the delegates.
-    if (m_modifiedDatabase)
-        m_transactionClient->didCommitWriteTransaction(database());
-    return 0;
-}
-
-void SQLTransactionBackendSync::rollback()
-{
-    ASSERT(m_database->scriptExecutionContext()->isContextThread());
-    m_database->disableAuthorizer();
-    if (m_sqliteTransaction) {
-        m_sqliteTransaction->rollback();
-        m_sqliteTransaction.clear();
-    }
-    m_database->enableAuthorizer();
-
-    ASSERT(!m_database->sqliteDatabase().transactionInProgress());
-}
-
-} // namespace WebCore
-
-#endif // ENABLE(SQL_DATABASE)