/*************************************************************************
* Copyright (C) 2014 by Hugo Pereira Da Costa <hugo.pereira@free.fr> *
* *
* 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) any later version. *
* *
* 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, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA . *
*************************************************************************/
#include "adwaitabusyindicatorengine.h"
#include "adwaita.h"
#include <QVariant>
namespace Adwaita
{
//_______________________________________________
BusyIndicatorEngine::BusyIndicatorEngine(QObject *object)
: BaseEngine(object)
{}
//_______________________________________________
bool BusyIndicatorEngine::registerWidget(QObject *object)
{
// check widget validity
if (!object) return false;
// create new data class
if (!_data.contains(object)) {
_data.insert(object, new BusyIndicatorData(this));
// connect destruction signal
connect(object, SIGNAL(destroyed(QObject *)), this, SLOT(unregisterWidget(QObject *)), Qt::UniqueConnection);
}
return true;
}
//____________________________________________________________
bool BusyIndicatorEngine::isAnimated(const QObject *object)
{
DataMap<BusyIndicatorData>::Value data(BusyIndicatorEngine::data(object));
return data && data.data()->isAnimated();
}
//____________________________________________________________
void BusyIndicatorEngine::setDuration(int value)
{
if (duration() == value) {
return;
}
BaseEngine::setDuration(value);
// restart timer with specified time
if (_animation) {
_animation.data()->setDuration(value);
}
}
//____________________________________________________________
void BusyIndicatorEngine::setAnimated(const QObject *object, bool value)
{
DataMap<BusyIndicatorData>::Value data(BusyIndicatorEngine::data(object));
if (data) {
// update data
data.data()->setAnimated(value);
// start timer if needed
if (value) {
if (!_animation) {
// create animation if not already there
_animation = new Animation(duration(), this);
// setup
_animation.data()->setStartValue(0.0);
_animation.data()->setEndValue(100.0);
_animation.data()->setTargetObject(this);
_animation.data()->setPropertyName("value");
_animation.data()->setLoopCount(-1);
_animation.data()->setDuration(duration() * 3);
}
// start if not already running
if (!_animation.data()->isRunning()) {
_animation.data()->start();
}
}
}
return;
}
//____________________________________________________________
DataMap<BusyIndicatorData>::Value BusyIndicatorEngine::data(const QObject *object)
{
return _data.find(object).data();
}
//_______________________________________________
void BusyIndicatorEngine::setValue(int value)
{
// update
_value = value;
bool animated(false);
// loop over objects in map
for (DataMap<BusyIndicatorData>::iterator iter = _data.begin(); iter != _data.end(); ++iter) {
if (iter.value().data()->isAnimated()) {
// update animation flag
animated = true;
// emit update signal on object
if (const_cast<QObject *>(iter.key())->inherits("QQuickStyleItem")) {
//QtQuickControls "rerender" method is updateItem
QMetaObject::invokeMethod(const_cast<QObject *>(iter.key()), "updateItem", Qt::QueuedConnection);
} else {
QMetaObject::invokeMethod(const_cast<QObject *>(iter.key()), "update", Qt::QueuedConnection);
}
}
}
if (_animation && !animated) {
_animation.data()->stop();
_animation.data()->deleteLater();
_animation.clear();
}
}
//__________________________________________________________
bool BusyIndicatorEngine::unregisterWidget(QObject *object)
{
bool removed(_data.unregisterWidget(object));
if (_animation && _data.isEmpty()) {
_animation.data()->stop();
_animation.data()->deleteLater();
_animation.clear();
}
return removed;
}
} // namespace Adwaita