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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Quick Controls 2 module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL3$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qquickanimatednode_p.h"
#include <QtQuick/qquickitem.h>
#include <QtQuick/qquickwindow.h>
// based on qtdeclarative/examples/quick/scenegraph/threadedanimation
QT_BEGIN_NAMESPACE
QQuickAnimatedNode::QQuickAnimatedNode(QQuickItem *target)
: m_window(target->window())
{
}
bool QQuickAnimatedNode::isRunning() const
{
return m_running;
}
int QQuickAnimatedNode::currentTime() const
{
int time = m_currentTime;
if (m_running)
time += m_timer.elapsed();
return time;
}
void QQuickAnimatedNode::setCurrentTime(int time)
{
m_currentTime = time;
m_timer.restart();
}
int QQuickAnimatedNode::duration() const
{
return m_duration;
}
void QQuickAnimatedNode::setDuration(int duration)
{
m_duration = duration;
}
int QQuickAnimatedNode::loopCount() const
{
return m_loopCount;
}
void QQuickAnimatedNode::setLoopCount(int count)
{
m_loopCount = count;
}
void QQuickAnimatedNode::sync(QQuickItem *target)
{
Q_UNUSED(target);
}
QQuickWindow *QQuickAnimatedNode::window() const
{
return m_window;
}
void QQuickAnimatedNode::start(int duration)
{
if (m_running)
return;
m_running = true;
m_currentLoop = 0;
m_timer.restart();
if (duration > 0)
m_duration = duration;
connect(m_window, &QQuickWindow::beforeRendering, this, &QQuickAnimatedNode::advance, Qt::DirectConnection);
connect(m_window, &QQuickWindow::frameSwapped, this, &QQuickAnimatedNode::update, Qt::DirectConnection);
// If we're inside a QQuickWidget, this call is necessary to ensure the widget
// gets updated for the first time.
m_window->update();
emit started();
}
void QQuickAnimatedNode::restart()
{
stop();
start();
}
void QQuickAnimatedNode::stop()
{
if (!m_running)
return;
m_running = false;
disconnect(m_window, &QQuickWindow::beforeRendering, this, &QQuickAnimatedNode::advance);
disconnect(m_window, &QQuickWindow::frameSwapped, this, &QQuickAnimatedNode::update);
emit stopped();
}
void QQuickAnimatedNode::updateCurrentTime(int time)
{
Q_UNUSED(time);
}
void QQuickAnimatedNode::advance()
{
int time = currentTime();
if (time > m_duration) {
time = 0;
setCurrentTime(0);
if (m_loopCount > 0 && ++m_currentLoop >= m_loopCount) {
time = m_duration; // complete
stop();
}
}
updateCurrentTime(time);
// If we're inside a QQuickWidget, this call is necessary to ensure the widget gets updated.
m_window->update();
}
void QQuickAnimatedNode::update()
{
if (m_running)
m_window->update();
}
QT_END_NAMESPACE
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