/**
 * @file fsdroptarget.cpp
 * @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
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "fsdroptarget.h"

#include "llinventoryfunctions.h"
#include "lltooldraganddrop.h"
#include "llviewerinventory.h"

static LLDefaultChildRegistry::Register<FSCopyTransInventoryDropTarget> r1("fs_copytrans_inventory_drop_target");
static LLDefaultChildRegistry::Register<FSEmbeddedItemDropTarget> r3("fs_embedded_item_drop_target");


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

    if (cargo_type >= DAD_TEXTURE && cargo_type <= DAD_GESTURE &&
        item && item->getActualType() != LLAssetType::AT_LINK && item->getActualType() != LLAssetType::AT_LINK_FOLDER && item->getType() != LLAssetType::AT_CATEGORY &&
        item->getPermissions().getMaskOwner() & PERM_COPY && item->getPermissions().getMaskOwner() & PERM_TRANSFER)
    {
        if (drop)
        {
            if (!mDADSignal.empty())
            {
                mDADSignal(item->getUUID());
            }
        }
        else
        {
            *accept = ACCEPT_YES_SINGLE;
        }
    }
    else
    {
        *accept = ACCEPT_NO;
    }

    return true;
}

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

    if (cargo_type >= DAD_TEXTURE && cargo_type <= DAD_GESTURE &&
        item && item->getActualType() != LLAssetType::AT_LINK && item->getActualType() != LLAssetType::AT_LINK_FOLDER && item->getType() != LLAssetType::AT_CATEGORY &&
        item->getPermissions().getMaskOwner() & PERM_COPY && item->getPermissions().getMaskOwner() & PERM_TRANSFER)
    {
        if (drop)
        {
            if (!mDADSignal.empty())
            {
                mDADSignal(item->getUUID());
            }
        }
        else
        {
            *accept = ACCEPT_YES_SINGLE;
        }
    }
    else
    {
        *accept = ACCEPT_NO;
    }

    return true;
}