#ifndef adwaitatransitiondata_h

#define adwaitatransitiondata_h

//////////////////////////////////////////////////////////////////////////////

// adwaitatransitiondata.h

// data container for generic transitions

// -------------------

//

// 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 "adwaitatransitionwidget.h"

#include <QObject>

#include <QTime>

#include <QWidget>

namespace Adwaita

{

    //* generic data

    class TransitionData: public QObject

    {

        Q_OBJECT

        public:

        //* constructor

        TransitionData( QObject* parent, QWidget* target, int );

        //* destructor

        virtual ~TransitionData( void );

        //* enability

        virtual void setEnabled( bool value )

        { _enabled = value; }

        //* enability

        virtual bool enabled( void ) const

        { return _enabled; }

        //* duration

        virtual void setDuration( int duration )

        {

            if( _transition )

            { _transition.data()->setDuration( duration ); }

        }

        //* max render time

        void setMaxRenderTime( int value )

        { _maxRenderTime = value; }

        //* max renderTime

        const int& maxRenderTime( void ) const

        { return _maxRenderTime; }

        //* start clock

        void startClock( void )

        {

            if( _clock.isNull() ) _clock.start();

            else _clock.restart();

        }

        //* check if rendering is two slow

        bool slow( void ) const

        { return !( _clock.isNull() || _clock.elapsed() <= maxRenderTime() ); }

        protected Q_SLOTS:

        //* initialize animation

        virtual bool initializeAnimation( void ) = 0;

        //* animate

        virtual bool animate( void ) = 0;

        protected:

        //* returns true if one parent matches given class name

        inline bool hasParent( const QWidget*, const char* ) const;

        //* transition widget

        virtual const TransitionWidget::Pointer& transition( void ) const

        { return _transition; }

        //* used to avoid recursion when grabbing widgets

        void setRecursiveCheck( bool value )

        { _recursiveCheck = value; }

        //* used to avoid recursion when grabbing widgets

        bool recursiveCheck( void ) const

        { return _recursiveCheck; }

        private:

        //* enability

        bool _enabled = true;

        //* used to avoid recursion when grabbing widgets

        bool _recursiveCheck = false;

        //* timer used to detect slow rendering

        QTime _clock;

        //* max render time

        /*! used to detect slow rendering */

        int _maxRenderTime = 200;

        //* animation handling

        TransitionWidget::Pointer _transition;

    };

    //_____________________________________________________________________________________

    bool TransitionData::hasParent( const QWidget* widget, const char* className ) const

    {

        if( !widget ) return false;

        for( QWidget* parent = widget->parentWidget(); parent; parent = parent->parentWidget() )

        { if( parent->inherits( className ) ) return true; }

        return false;

    }

}

#endif