/*************************************************************************
* 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;
}
}