#ifndef adwaita_animationdata_h
#define adwaita_animationdata_h
/*************************************************************************
* 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 "adwaitaanimation.h"
#include <QEvent>
#include <QObject>
#include <QWidget>
#include <cmath>
namespace Adwaita
{
//* base class
class AnimationData: public QObject
{
Q_OBJECT
public:
//* constructor
AnimationData( QObject* parent, QWidget* target ):
QObject( parent ),
_target( target ),
_enabled( true )
{ Q_ASSERT( _target ); }
//* destructor
virtual ~AnimationData( void )
{}
//* duration
virtual void setDuration( int ) = 0;
//* steps
static void setSteps( int value )
{ _steps = value; }
//* enability
virtual bool enabled( void ) const
{ return _enabled; }
//* enability
virtual void setEnabled( bool value )
{ _enabled = value; }
//* target
const WeakPointer<QWidget>& target( void ) const
{ return _target; }
//* invalid opacity
static const qreal OpacityInvalid;
protected:
//* setup animation
virtual void setupAnimation( const Animation::Pointer& animation, const QByteArray& property );
//* apply step
virtual qreal digitize( const qreal& value ) const
{
if( _steps > 0 ) return std::floor( value*_steps )/_steps;
else return value;
}
//* trigger target update
virtual void setDirty( void ) const
{ if( _target ) _target.data()->update(); }
private:
//* guarded target
WeakPointer<QWidget> _target;
//* enability
bool _enabled;
//* steps
static int _steps;
};
}
#endif