diff options
Diffstat (limited to 'examples/webenginewidgets/demobrowser/autosaver.cpp')
-rw-r--r-- | examples/webenginewidgets/demobrowser/autosaver.cpp | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/examples/webenginewidgets/demobrowser/autosaver.cpp b/examples/webenginewidgets/demobrowser/autosaver.cpp deleted file mode 100644 index 9ded22da1..000000000 --- a/examples/webenginewidgets/demobrowser/autosaver.cpp +++ /dev/null @@ -1,102 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the examples of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "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 The Qt Company Ltd 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "autosaver.h" - -#include <QtCore/QDir> -#include <QtCore/QCoreApplication> -#include <QtCore/QMetaObject> -#include <QtDebug> - -#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()) - qWarning() << "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)) { - qWarning() << "AutoSaver: error invoking slot save() on parent"; - } -} |