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Diffstat (limited to 'WebCore/storage/DatabaseTask.cpp')
-rw-r--r-- | WebCore/storage/DatabaseTask.cpp | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/WebCore/storage/DatabaseTask.cpp b/WebCore/storage/DatabaseTask.cpp deleted file mode 100644 index 7957d2a..0000000 --- a/WebCore/storage/DatabaseTask.cpp +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Copyright (C) 2007, 2008 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. - */ -#include "config.h" -#include "DatabaseTask.h" - -#include "Database.h" -#include "Logging.h" - -namespace WebCore { - -DatabaseTask::DatabaseTask(Database* database) - : m_database(database) - , m_complete(false) -{ -} - -DatabaseTask::~DatabaseTask() -{ -} - -void DatabaseTask::performTask() -{ - // Database tasks are meant to be used only once, so make sure this one hasn't been performed before. - ASSERT(!m_complete); - - LOG(StorageAPI, "Performing %s %p\n", debugTaskName(), this); - - m_database->resetAuthorizer(); - doPerformTask(); - m_database->performPolicyChecks(); - - if (m_synchronousMutex) - m_synchronousMutex->lock(); - - m_complete = true; - - if (m_synchronousMutex) { - m_synchronousCondition->signal(); - m_synchronousMutex->unlock(); - } -} - -void DatabaseTask::lockForSynchronousScheduling() -{ - // Called from main thread. - ASSERT(!m_synchronousMutex); - ASSERT(!m_synchronousCondition); - m_synchronousMutex.set(new Mutex); - m_synchronousCondition.set(new ThreadCondition); -} - -void DatabaseTask::waitForSynchronousCompletion() -{ - // Called from main thread. - m_synchronousMutex->lock(); - if (!m_complete) - m_synchronousCondition->wait(*m_synchronousMutex); - m_synchronousMutex->unlock(); -} - -// *** DatabaseOpenTask *** -// Opens the database file and verifies the version matches the expected version. - -DatabaseOpenTask::DatabaseOpenTask(Database* database) - : DatabaseTask(database) - , m_code(0) - , m_success(false) -{ -} - -void DatabaseOpenTask::doPerformTask() -{ - m_success = database()->performOpenAndVerify(m_code); -} - -#ifndef NDEBUG -const char* DatabaseOpenTask::debugTaskName() const -{ - return "DatabaseOpenTask"; -} -#endif - -// *** DatabaseCloseTask *** -// Closes the database. - -DatabaseCloseTask::DatabaseCloseTask(Database* database) - : DatabaseTask(database) -{ -} - -void DatabaseCloseTask::doPerformTask() -{ - database()->close(); -} - -#ifndef NDEBUG -const char* DatabaseCloseTask::debugTaskName() const -{ - return "DatabaseCloseTask"; -} -#endif - -// *** DatabaseTransactionTask *** -// Starts a transaction that will report its results via a callback. - -DatabaseTransactionTask::DatabaseTransactionTask(PassRefPtr<SQLTransaction> transaction) - : DatabaseTask(transaction->database()) - , m_transaction(transaction) -{ -} - -DatabaseTransactionTask::~DatabaseTransactionTask() -{ -} - -void DatabaseTransactionTask::doPerformTask() -{ - if (m_transaction->performNextStep()) { - // The transaction is complete, we can move on to the next one. - MutexLocker locker(m_transaction->database()->m_transactionInProgressMutex); - m_transaction->database()->scheduleTransaction(); - } -} - -#ifndef NDEBUG -const char* DatabaseTransactionTask::debugTaskName() const -{ - return "DatabaseTransactionTask"; -} -#endif - -// *** DatabaseTableNamesTask *** -// Retrieves a list of all tables in the database - for WebInspector support. - -DatabaseTableNamesTask::DatabaseTableNamesTask(Database* database) - : DatabaseTask(database) -{ -} - -void DatabaseTableNamesTask::doPerformTask() -{ - m_tableNames = database()->performGetTableNames(); -} - -#ifndef NDEBUG -const char* DatabaseTableNamesTask::debugTaskName() const -{ - return "DatabaseTableNamesTask"; -} -#endif - -} // namespace WebCore |