//////////////////////////////////////////////////////////////////////////////
// oxygenwidgetstateengine.h
// stores event filters and maps widgets to timelines for 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 "widgetstateengine.h"
#include "enabledata.h"

//____________________________________________________________
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() );
            }

      // 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;

      // the typedef is needed to make Krazy happy
      typedef DataMap<WidgetStateData>::Value 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() );
                  }
            }

      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();
            default:
                  return DataMap<WidgetStateData>::Value();
            }

      }