/**
* @file   llmenuoptionpathfindingrebakenavmesh.h
* @brief  Header file for llmenuoptionpathfindingrebakenavmesh
* @author Prep@lindenlab.com
*
* $LicenseInfo:firstyear=2012&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, 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_LLMENUOPTIONPATHFINDINGREBAKENAVMESH_H
#define LL_LLMENUOPTIONPATHFINDINGREBAKENAVMESH_H

#include <boost/signals2.hpp>

#include "llpathfindingmanager.h"
#include "llpathfindingnavmesh.h"
#include "llsingleton.h"

class LLPathfindingNavMeshStatus;

class LLMenuOptionPathfindingRebakeNavmesh : public LLSingleton<LLMenuOptionPathfindingRebakeNavmesh>
{
    LLSINGLETON(LLMenuOptionPathfindingRebakeNavmesh);
    virtual ~LLMenuOptionPathfindingRebakeNavmesh();
    LOG_CLASS(LLMenuOptionPathfindingRebakeNavmesh);

public:
    typedef enum
    {
        kRebakeNavMesh_Available,
        kRebakeNavMesh_RequestSent,
        kRebakeNavMesh_InProgress,
        kRebakeNavMesh_NotAvailable,
        kRebakeNavMesh_Default = kRebakeNavMesh_NotAvailable
    } ERebakeNavMeshMode;


    void               initialize();
    void               quit();

    bool               canRebakeRegion() const;
    ERebakeNavMeshMode getMode() const;

    void               sendRequestRebakeNavmesh();

protected:

private:
    void setMode(ERebakeNavMeshMode pRebakeNavMeshMode);

    void handleAgentState(bool pCanRebakeRegion);
    void handleRebakeNavMeshResponse(bool pResponseStatus);
    void handleNavMeshStatus(const LLPathfindingNavMeshStatus &pNavMeshStatus);
    void handleRegionBoundaryCrossed();

    void createNavMeshStatusListenerForCurrentRegion();

    bool                                     mIsInitialized;

    bool                                     mCanRebakeRegion;
    ERebakeNavMeshMode                       mRebakeNavMeshMode;

    LLPathfindingNavMesh::navmesh_slot_t     mNavMeshSlot;
    boost::signals2::connection              mRegionCrossingSlot;
    LLPathfindingManager::agent_state_slot_t mAgentStateSlot;
};

#endif // LL_LLMENUOPTIONPATHFINDINGREBAKENAVMESH_H