/**
 * @file llregioninfomodel.h
 * @brief Region info model
 *
 * $LicenseInfo:firstyear=2011&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2011, Linden Research, Inc.
 *
 * 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
 *
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLREGIONINFOMODEL_H
#define LL_LLREGIONINFOMODEL_H

class LLMessageSystem;

#include "llsingleton.h"

/**
 * Contains region info, notifies interested parties of its changes.
 */
class LLRegionInfoModel : public LLSingleton<LLRegionInfoModel>
{
    LLSINGLETON(LLRegionInfoModel);
    LOG_CLASS(LLRegionInfoModel);

public:
    typedef boost::signals2::signal<void()> update_signal_t;
    boost::signals2::connection setUpdateCallback(const update_signal_t::slot_type& cb);

    void sendRegionTerrain(const LLUUID& invoice) const; /// upload region terrain data

    bool getUseFixedSun() const;

    void setUseFixedSun(bool fixed);

    // *TODO: Add getters and make the data private.
    U8          mSimAccess;
    U8          mAgentLimit;

    S32         mHardAgentLimit;

    U64         mRegionFlags;
    U32         mEstateID;
    U32         mParentEstateID;

    S32         mPricePerMeter;
    S32         mRedirectGridX;
    S32         mRedirectGridY;

    F32         mBillableFactor;
    F32         mObjectBonusFactor;
    F32         mWaterHeight;
    F32         mTerrainRaiseLimit;
    F32         mTerrainLowerLimit;
    F32         mSunHour; // 6..30

    bool        mUseEstateSun;

    std::string mSimName;
    std::string mSimType;

protected:
    friend class LLViewerRegion;


    /**
     * Refresh model with data from the incoming server message.
     */
    void update(LLMessageSystem* msg);

private:
    void reset();

    // *FIXME: Duplicated code from LLPanelRegionInfo
    static void sendEstateOwnerMessage(
        LLMessageSystem* msg,
        const std::string& request,
        const LLUUID& invoice,
        const std::vector<std::string>& strings);

    update_signal_t mUpdateSignal;
};

#endif // LL_LLREGIONINFOMODEL_H