//////////////////////////////////////////////////////////////////////////////
// oxygenmenubardata.cpp
// data container for QMenuBar animations
// -------------------
//
// Copyright (c) 2009 Hugo Pereira Da Costa <hugo.pereira@free.fr>
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//////////////////////////////////////////////////////////////////////////////

#include "oxygenmenubardata.h"
#include "oxygenmenubardata.moc"

#include <QtCore/QTextStream>

namespace Oxygen
{

    //______________________________________________
    MenuBarData::MenuBarData( QObject* parent, QWidget* target ):
        AnimationData( parent, target ),
        _isMenu( qobject_cast<QMenu*>( target ) ),
        _motions( -1 )
    {}

    //______________________________________________
    MenuBarDataV1::MenuBarDataV1( QObject* parent, QWidget* target, int duration ):
        MenuBarData( parent, target )
    {

        target->installEventFilter( this );

        // setup timeLine
        _current._animation = new Animation( duration, this );
        setupAnimation( currentAnimation(), "currentOpacity" );
        currentAnimation().data()->setDirection( Animation::Forward );

        _previous._animation = new Animation( duration, this );
        setupAnimation( previousAnimation(), "previousOpacity" );
        previousAnimation().data()->setDirection( Animation::Backward );

    }

    //______________________________________________
    bool MenuBarDataV1::eventFilter( QObject* object, QEvent* event )
    {

        if( !( enabled() && object == target().data() ) )
        { return AnimationData::eventFilter( object, event ); }

        // check event type
        switch( event->type() )
        {

            case QEvent::Enter:
            {
                // first need to call proper event processing
                // then implement transition
                object->event( event );
                enterEvent( object );
                if( _isMenu ) _motions = -1;
                break;
            }

            case QEvent::Leave:
            {
                // first need to call proper event processing
                // then implement transition
                object->event( event );
                leaveEvent( object );
                break;
            }

            case QEvent::MouseMove:
            {

                // first need to call proper event processing
                // then implement transition
                if( !_isMenu || _motions++ > 0  ) object->event( event );
                mouseMoveEvent( object );
                break;

            }

            case QEvent::MouseButtonPress:
            {
                // first need to call proper event processing
                // then implement transition
                mousePressEvent( object );
                break;
            }

            default: break;

        }

        // always forward event
        return AnimationData::eventFilter( object, event );

    }

    //______________________________________________
    MenuBarDataV2::MenuBarDataV2( QObject* parent, QWidget* target, int duration ):
        MenuBarData( parent, target ),
        _opacity(0),
        _progress(0),
        _entered( true )
    {

        target->installEventFilter( this );

        _animation = new Animation( duration, this );
        animation().data()->setDirection( Animation::Forward );
        animation().data()->setStartValue( 0.0 );
        animation().data()->setEndValue( 1.0 );
        animation().data()->setTargetObject( this );
        animation().data()->setPropertyName( "opacity" );

        _progressAnimation = new Animation( duration, this );
        progressAnimation().data()->setDirection( Animation::Forward );
        progressAnimation().data()->setStartValue( 0 );
        progressAnimation().data()->setEndValue( 1 );
        progressAnimation().data()->setTargetObject( this );
        progressAnimation().data()->setPropertyName( "progress" );
        progressAnimation().data()->setEasingCurve( QEasingCurve::Linear );

    }

    //______________________________________________
    bool MenuBarDataV2::eventFilter( QObject* object, QEvent* event )
    {

        if( !enabled() ) return false;

        // check event type
        switch( event->type() )
        {

            case QEvent::Enter:
            {
                // first need to call proper event processing
                // then implement transition
                object->event( event );
                enterEvent( object );
                if( !_isMenu ) _motions = -1;
                break;
            }

            case QEvent::Hide:
            case QEvent::Leave:
            {
                // first need to call proper event processing
                // then implement transition
                object->event( event );
                if( _timer.isActive() ) _timer.stop();
                _timer.start( 100, this );
                break;
            }

            case QEvent::MouseMove:
            {
                // first need to call proper event processing
                // then implement transition
                if( !_isMenu || _motions++ > 0  ) object->event( event );
                mouseMoveEvent( object );
                break;
            }

            default: break;

        }

        // always forward event
        return false;

    }

    //____________________________________________________________
    void MenuBarDataV2::updateAnimatedRect( void )
    {

        // check rect validity
        if( !( currentRect().isValid() && previousRect().isValid() ) )
        {
            _animatedRect = QRect();
            return;
        }

        // compute rect located 'between' previous and current
        _animatedRect.setLeft( previousRect().left() + progress()*(currentRect().left() - previousRect().left()) );
        _animatedRect.setRight( previousRect().right() + progress()*(currentRect().right() - previousRect().right()) );
        _animatedRect.setTop( previousRect().top() + progress()*(currentRect().top() - previousRect().top()) );
        _animatedRect.setBottom( previousRect().bottom() + progress()*(currentRect().bottom() - previousRect().bottom()) );

        // trigger update
        setDirty();

        return;

    }

    //___________________________________________________________
    void MenuBarDataV2::timerEvent( QTimerEvent *event )
    {

        if( event->timerId() != _timer.timerId() ) return AnimationData::timerEvent( event );
        _timer.stop();
        leaveEvent( target().data() );
    }

}
