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/*
* Copyright (C) 2009 Torch Mobile, 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 library is distributed in the hope that i will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "config.h"
#include "DatabaseThread.h"
#include "Database.h"
#include "DatabaseTask.h"
namespace WebCore {
DatabaseThread::DatabaseThread()
: m_timer(this, &DatabaseThread::timerFired)
{
}
DatabaseThread::~DatabaseThread()
{
}
void DatabaseThread::requestTermination()
{
m_queue.clear();
}
bool DatabaseThread::terminationRequested() const
{
return m_queue.isEmpty();
}
void DatabaseThread::timerFired(Timer<DatabaseThread>*)
{
if (!m_queue.isEmpty()) {
RefPtr<DatabaseTask> task = m_queue.first();
task->performTask();
m_queue.removeFirst();
if (!m_queue.isEmpty())
m_timer.startOneShot(0);
}
}
void DatabaseThread::scheduleTask(PassRefPtr<DatabaseTask> task)
{
m_queue.append(task);
if (!m_timer.isActive())
m_timer.startOneShot(0);
}
void DatabaseThread::scheduleImmediateTask(PassRefPtr<DatabaseTask> task)
{
task->performTask();
}
void DatabaseThread::unscheduleDatabaseTasks(Database* database)
{
Deque<RefPtr<DatabaseTask> > reservedTasks;
for (Deque<RefPtr<DatabaseTask> >::const_iterator i = m_queue.begin(); i != m_queue.end(); ++i) {
if ((*i)->database() != database)
reservedTasks.append(*i);
}
m_queue.swap(reservedTasks);
}
void DatabaseThread::recordDatabaseOpen(Database* database)
{
notImplemented();
}
void DatabaseThread::recordDatabaseClosed(Database* database)
{
notImplemented();
}
} // namespace WebCore
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