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authorAndrea Diamantini <adjam7@gmail.com>2009-11-25 01:36:38 +0100
committerAndrea Diamantini <adjam7@gmail.com>2009-11-25 01:36:38 +0100
commitce86e965bd8781f6fe18e4b50eadaf7402a07847 (patch)
tree0b019499f5a4e91c5767684fdafdbb23c774e26e /src/history/autosaver.cpp
parentFix headers (diff)
downloadrekonq-ce86e965bd8781f6fe18e4b50eadaf7402a07847.tar.xz
Last history fixes
Diffstat (limited to 'src/history/autosaver.cpp')
-rw-r--r--src/history/autosaver.cpp100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/history/autosaver.cpp b/src/history/autosaver.cpp
new file mode 100644
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--- /dev/null
+++ b/src/history/autosaver.cpp
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+/* ============================================================
+*
+* This file is a part of the rekonq project
+*
+* Copyright (C) 2007-2008 Trolltech ASA. All rights reserved
+* Copyright (C) 2008-2009 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"
+
+// KDE Includes
+#include <KDebug>
+
+// Qt Includes
+#include <QtCore/QMetaObject>
+
+
+#define AUTOSAVE_IN 1000 * 3 // seconds
+#define MAXWAIT 1000 * 15 // seconds
+
+
+AutoSaver::AutoSaver(QObject *parent) : QObject(parent)
+{
+ Q_ASSERT(parent);
+}
+
+
+AutoSaver::~AutoSaver()
+{
+ if (m_timer.isActive())
+ {
+ kWarning() << "AutoSaver: still active when destroyed, changes not saved.";
+ }
+}
+
+
+void AutoSaver::changeOccurred()
+{
+ if (m_firstChange.isNull())
+ m_firstChange.start();
+
+ if (m_firstChange.elapsed() > MAXWAIT)
+ {
+ saveIfNeccessary();
+ }
+ else
+ {
+ m_timer.start(AUTOSAVE_IN, this);
+ }
+}
+
+
+void AutoSaver::timerEvent(QTimerEvent *event)
+{
+ if (event->timerId() == m_timer.timerId())
+ {
+ saveIfNeccessary();
+ }
+ else
+ {
+ QObject::timerEvent(event);
+ }
+}
+
+
+void AutoSaver::saveIfNeccessary()
+{
+ if (!m_timer.isActive())
+ return;
+ m_timer.stop();
+ m_firstChange = QTime();
+ if (!QMetaObject::invokeMethod(parent(), "save", Qt::DirectConnection))
+ {
+ kWarning() << "AutoSaver: error invoking slot save() on parent";
+ }
+}
+