//////////////////////////////////////////////////////////////////////////////
// oxygenmenuengine.cpp
// stores event filters and maps widgets to timelines for animations
// -------------------
//
// SPDX-FileCopyrightText: 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
//
// SPDX-License-Identifier: MIT
//////////////////////////////////////////////////////////////////////////////

#include "oxygenmenuengine.h"

namespace Oxygen
{

    //____________________________________________________________
    MenuEngineV1::MenuEngineV1( QObject* parent, MenuBaseEngine* other ):
        MenuBaseEngine( parent )
    {
        if( other )
        {
            foreach( QWidget* widget,  other->registeredWidgets() )
            { registerWidget( widget ); }
        }
    }

    //____________________________________________________________
    bool MenuEngineV1::registerWidget( QWidget* widget )
    {

        if( !widget ) return false;

        // create new data class
        if( !_data.contains( widget ) ) _data.insert( widget, new MenuDataV1( this, widget, duration() ), enabled() );

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

    //____________________________________________________________
    bool MenuEngineV1::isAnimated( const QObject* object, WidgetIndex index )
    {
        DataMap<MenuDataV1>::Value data( _data.find( object ) );
        if( !data )
        {
            return false;
        }

        if( Animation::Pointer animation = data.data()->animation( index ) ) {

            return animation.data()->isRunning();

        } else return false;
    }

    //____________________________________________________________
    BaseEngine::WidgetList MenuEngineV1::registeredWidgets( void ) const
    {

        WidgetList out;

        // the typedef is needed to make Krazy happy
        typedef DataMap<MenuDataV1>::Value Value;
        foreach( const Value& value, _data )
        { if( value ) out.insert( value.data()->target().data() ); }

        return out;

    }

    //____________________________________________________________
    MenuEngineV2::MenuEngineV2( QObject* parent, MenuBaseEngine* other ):
        MenuBaseEngine( parent ),
        _followMouseDuration( 150 )
    {
        if( other )
        {
            foreach( QWidget* widget, other->registeredWidgets() )
            { registerWidget( widget ); }
        }
    }

    //____________________________________________________________
    bool MenuEngineV2::registerWidget( QWidget* widget )
    {

        if( !widget ) return false;

        // create new data class
        if( !_data.contains( widget ) )
        {
            DataMap<MenuDataV2>::Value value( new MenuDataV2( this, widget, duration() ) );
            value.data()->setFollowMouseDuration( followMouseDuration() );
            _data.insert( widget, value, enabled() );
        }

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

        return true;
    }

    //____________________________________________________________
    QRect MenuEngineV2::currentRect( const QObject* object, WidgetIndex )
    {
        if( !enabled() ) return QRect();
        DataMap<MenuDataV2>::Value data( _data.find( object ) );
        return data ? data.data()->currentRect():QRect();

    }

    //____________________________________________________________
    bool MenuEngineV2::isAnimated( const QObject* object, WidgetIndex index )
    {
        DataMap<MenuDataV2>::Value data( _data.find( object ) );
        if( !data )
        {
            return false;
        }

        switch( index )
        {
            case Oxygen::Previous:
            {
                if( Animation::Pointer animation = data.data()->animation() )
                {
                    return animation.data()->direction() == Animation::Backward && animation.data()->isRunning();
                } else return false;
            }

            case Oxygen::Current:
            {
                if( data.data()->animation() && data.data()->animation().data()->isRunning() ) return true;
                else return false;
            }

            default: return false;

        }

    }

    //____________________________________________________________
    QRect MenuEngineV2::animatedRect( const QObject* object )
    {
        if( !enabled() ) return QRect();
        DataMap<MenuDataV2>::Value data( _data.find( object ) );
        return data ? data.data()->animatedRect():QRect();

    }

    //____________________________________________________________
    bool MenuEngineV2::isTimerActive( const QObject* object )
    {
        if( !enabled() ) return false;
        DataMap<MenuDataV2>::Value data( _data.find( object ) );
        return data ? data.data()->timer().isActive():false;

    }

    //____________________________________________________________
    BaseEngine::WidgetList MenuEngineV2::registeredWidgets( void ) const
    {

        WidgetList out;

        // the typedef is needed to make Krazy happy
        typedef DataMap<MenuDataV2>::Value Value;
        foreach( const Value& value, _data )
        { if( value ) out.insert( value.data()->target().data() ); }

        return out;

    }

}
