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/**
 * @file llpanelenavmeshrebake.h
 * @author prep
 * @brief handles the buttons for navmesh rebaking
 *
 * $LicenseInfo:firstyear=2002&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, 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_NAVMESHREBAKE_H
#define LL_NAVMESHREBAKE_H

#include <boost/bind.hpp>
#include <boost/signals2.hpp>

#include "llhandle.h"
#include "llpanel.h"
#include "llpathfindingmanager.h"
#include "llpathfindingnavmesh.h"

class LLButton;
class LLPathfindingNavMeshStatus;
class LLView;

class LLPanelNavMeshRebake : public LLPanel
{

	LOG_CLASS(LLPanelNavMeshRebake);

public:
	static LLPanelNavMeshRebake* getInstance();

	virtual BOOL postBuild();

	virtual void draw();
	virtual BOOL handleToolTip( S32 x, S32 y, MASK mask );

protected:

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

	LLPanelNavMeshRebake();
	virtual ~LLPanelNavMeshRebake();

	static LLPanelNavMeshRebake* getPanel();

	void setMode(ERebakeNavMeshMode pRebakeNavMeshMode);
	
	void onNavMeshRebakeClick();

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

	void createNavMeshStatusListenerForCurrentRegion();

	bool doDraw() const;
	void updatePosition();

	BOOL                                     mCanRebakeRegion;
	ERebakeNavMeshMode                       mRebakeNavMeshMode;
	
	LLButton*                                mNavMeshRebakeButton;
	LLButton*                                mNavMeshBakingButton;

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

#endif //LL_NAVMESHREBAKE_H