/*************************************************************************
 * 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 "adwaitawidgetstateengine.h"

#include "adwaitaenabledata.h"

namespace Adwaita
{

    //____________________________________________________________
    bool WidgetStateEngine::registerWidget( QWidget* widget, AnimationModes mode )
    {

        if( !widget ) return false;
        if( mode&AnimationHover && !_hoverData.contains( widget ) ) { _hoverData.insert( widget, new WidgetStateData( this, widget, duration() ), enabled() ); }
        if( mode&AnimationFocus && !_focusData.contains( widget ) ) { _focusData.insert( widget, new WidgetStateData( this, widget, duration() ), enabled() ); }
        if( mode&AnimationEnable && !_enableData.contains( widget ) ) { _enableData.insert( widget, new EnableData( this, widget, duration() ), enabled() ); }
        if( mode&AnimationPressed && !_pressedData.contains( widget ) ) { _pressedData.insert( widget, new WidgetStateData( this, widget, duration() ), enabled() ); }

        // connect destruction signal
        connect( widget, SIGNAL(destroyed(QObject*)), this, SLOT(unregisterWidget(QObject*)), Qt::UniqueConnection );

        return true;

    }

    //____________________________________________________________
    BaseEngine::WidgetList WidgetStateEngine::registeredWidgets( AnimationModes mode ) const
    {

        WidgetList out;

        using Value = DataMap<WidgetStateData>::Value;

        if( mode&AnimationHover )
        {
            foreach( const Value& value, _hoverData )
            { if( value ) out.insert( value.data()->target().data() ); }
        }

        if( mode&AnimationFocus )
        {
            foreach( const Value& value, _focusData )
            { if( value ) out.insert( value.data()->target().data() ); }
        }

        if( mode&AnimationEnable )
        {
            foreach( const Value& value, _enableData )
            { if( value ) out.insert( value.data()->target().data() ); }
        }

        if( mode&AnimationPressed )
        {
            foreach( const Value& value, _pressedData )
            { if( value ) out.insert( value.data()->target().data() ); }
        }

        return out;

    }

    //____________________________________________________________
    bool WidgetStateEngine::updateState( const QObject* object, AnimationMode mode, bool value )
    {
        DataMap<WidgetStateData>::Value data( WidgetStateEngine::data( object, mode ) );
        return ( data && data.data()->updateState( value ) );
    }

    //____________________________________________________________
    bool WidgetStateEngine::isAnimated( const QObject* object, AnimationMode mode )
    {

        DataMap<WidgetStateData>::Value data( WidgetStateEngine::data( object, mode ) );
        return ( data && data.data()->animation() && data.data()->animation().data()->isRunning() );

    }

    //____________________________________________________________
    DataMap<WidgetStateData>::Value WidgetStateEngine::data( const QObject* object, AnimationMode mode )
    {

        switch( mode )
        {
            case AnimationHover: return _hoverData.find( object ).data();
            case AnimationFocus: return _focusData.find( object ).data();
            case AnimationEnable: return _enableData.find( object ).data();
            case AnimationPressed: return _pressedData.find( object ).data();
            default: return DataMap<WidgetStateData>::Value();
        }

    }

    //____________________________________________________________
    DataMap<WidgetStateData>& WidgetStateEngine::dataMap( AnimationMode mode )
    {

        switch( mode )
        {
            default:
            case AnimationHover: return _hoverData;
            case AnimationFocus: return _focusData;
            case AnimationEnable: return _enableData;
            case AnimationPressed: return _pressedData;

        }

    }

}