/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
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 *************************************************************/



#ifndef SD_SLIDESORTER_TRANSFERABLE_DATA_HXX
#define SD_SLIDESORTER_TRANSFERABLE_DATA_HXX

#include "sdxfer.hxx"
#include <boost/function.hpp>
#include <vector>

class SdDrawDocument;
namespace sd { namespace slidesorter {
class SlideSorterViewShell;
} }

namespace sd { namespace slidesorter { namespace controller {

/** Represent previews and other information so that they can be
    attached to an existing transferable.
*/
class TransferableData
    : public SdTransferable::UserData,
      public SfxListener
{
public:								
    class Representative
    {
    public:
        Representative (const Bitmap& rBitmap, const bool bIsExcluded)
            : maBitmap(rBitmap), mbIsExcluded(bIsExcluded) {}
        Representative (const Representative& rOther)
            : maBitmap(rOther.maBitmap), mbIsExcluded(rOther.mbIsExcluded) {}
        Representative operator=( const Representative& rOther)
        {   if (&rOther != this) {maBitmap = rOther.maBitmap; mbIsExcluded = rOther.mbIsExcluded; }
            return *this;
        }

        Bitmap maBitmap;
        bool mbIsExcluded;
    };

    static SdTransferable* CreateTransferable (
        SdDrawDocument* pSrcDoc, 
        ::sd::View* pWorkView, 
        sal_Bool bInitOnGetData,
        SlideSorterViewShell* pViewShell,
        const ::std::vector<TransferableData::Representative>& rRepresentatives);

    static ::boost::shared_ptr<TransferableData> GetFromTransferable (const SdTransferable* pTransferable);
    
    TransferableData (
        SlideSorterViewShell* pViewShell,
        const ::std::vector<TransferableData::Representative>& rRepresentatives);
    ~TransferableData (void);

	virtual void DragFinished (sal_Int8 nDropAction);

    const ::std::vector<Representative>& GetRepresentatives (void) const;

    /** Return the view shell for which the transferable was created.
    */
    SlideSorterViewShell* GetSourceViewShell (void) const;

private:
    SlideSorterViewShell* mpViewShell;
    const ::std::vector<Representative> maRepresentatives;
    typedef ::std::vector<boost::function<void(sal_uInt8)> > CallbackContainer;

    virtual void Notify (SfxBroadcaster& rBroadcaster, const SfxHint& rHint);
};

} } } // end of namespace ::sd::slidesorter::controller

#endif