/**
 * @file fsdroptarget.h
 * @brief Various drop targets for different purposes
 *
 * $LicenseInfo:firstyear=2014&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2014, Ansariel Hiller @ Second Life
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * The Phoenix Firestorm Project, Inc., 1831 Oakwood Drive, Fairmont, Minnesota 56031-3225 USA
 * http://www.firestormviewer.org
 * $/LicenseInfo$
 */

#ifndef FS_DROPTARGET_H
#define FS_DROPTARGET_H

#include "lllineeditor.h"
#include "lltextbox.h"

class LLInventoryItem;

class FSCopyTransInventoryDropTarget : public LLLineEditor
{
public:
    struct Params : public LLInitParam::Block<Params, LLLineEditor::Params>
    {
        Params()
        {}
    };

    FSCopyTransInventoryDropTarget(const Params& p)
        : LLLineEditor(p) {}

    ~FSCopyTransInventoryDropTarget() {}

    typedef boost::signals2::signal<void(const LLUUID& id)> item_dad_callback_t;
    boost::signals2::connection setDADCallback(const item_dad_callback_t::slot_type& cb)
    {
        return mDADSignal.connect(cb);
    }

    virtual bool postBuild()
    {
        setEnabled(false);
        return LLLineEditor::postBuild();
    }

    virtual bool handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop,
                                   EDragAndDropType cargo_type,
                                   void* cargo_data,
                                   EAcceptance* accept,
                                   std::string& tooltip_msg);

private:
    item_dad_callback_t mDADSignal;
};


class FSEmbeddedItemDropTarget : public LLTextBox
{
public:
    struct Params : public LLInitParam::Block<Params, LLTextBox::Params>
    {
        Params()
        {}
    };

    FSEmbeddedItemDropTarget(const Params& p) : LLTextBox(p) {}
    ~FSEmbeddedItemDropTarget() {}

    typedef boost::signals2::signal<void(const LLUUID& id)> item_dad_callback_t;
    boost::signals2::connection setDADCallback(const item_dad_callback_t::slot_type& cb)
    {
        return mDADSignal.connect(cb);
    }

    virtual bool handleDragAndDrop(S32 x, S32 y, MASK mask, bool drop,
                                   EDragAndDropType cargo_type,
                                   void* cargo_data,
                                   EAcceptance* accept,
                                   std::string& tooltip_msg);

protected:
    item_dad_callback_t mDADSignal;
};

#endif // FS_DROPTARGET_H