1 files changed, 96 insertions, 0 deletions
diff --git a/src/history/autosaver.cpp b/src/history/autosaver.cpp
new file mode 100644
index 00000000..ee84e299
--- /dev/null
+++ b/src/history/autosaver.cpp
@@ -0,0 +1,96 @@
+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
+* Copyright (C) 2008-2011 by Andrea Diamantini <adjam7 at gmail dot com>
+*
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of
+* the License or (at your option) version 3 or any later version
+* accepted by the membership of KDE e.V. (or its successor approved
+* by the membership of KDE e.V.), which shall act as a proxy
+* defined in Section 14 of version 3 of the license.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*
+* ============================================================ */
+
+
+// Self Includes
+#include "autosaver.h"
+#include "autosaver.moc"
+
+// Qt Includes
+#include <QMetaObject>
+#include <QTimerEvent>
+#include <QBasicTimer>
+#include <QTime>
+
+
+const int AUTOSAVE_TIME  = 1000 * 3;  // seconds
+const int MAX_TIME_LIMIT = 1000 * 15; // seconds
+
+
+AutoSaver::AutoSaver(QObject *parent)
+    : QObject(parent)
+    , m_timer(new QBasicTimer)
+    , m_firstChange(new QTime)
+{
+}
+
+
+AutoSaver::~AutoSaver()
+{
+    if (m_timer->isActive())
+        kDebug() << "AutoSaver: still active when destroyed, changes not saved.";
+
+    delete m_firstChange;
+    delete m_timer;
+}
+
+
+void AutoSaver::saveIfNeccessary()
+{
+    if (m_timer->isActive())
+        save();
+}
+
+
+void AutoSaver::changeOccurred()
+{
+    if (m_firstChange->isNull())
+        m_firstChange->start();
+
+    if (m_firstChange->elapsed() > MAX_TIME_LIMIT)
+        save();
+    else
+        m_timer->start(AUTOSAVE_TIME, this);
+}
+
+
+void AutoSaver::timerEvent(QTimerEvent *event)
+{
+    if (event->timerId() == m_timer->timerId())
+        save();
+    else
+        QObject::timerEvent(event);
+}
+
+
+void AutoSaver::save()
+{
+    m_timer->stop();
+    delete m_firstChange;
+    m_firstChange = new QTime;
+
+    emit saveNeeded();
+}