/**
 * @file lluictrlfactory.h
 * @brief Factory class for creating UI controls
 *
 * $LicenseInfo:firstyear=2003&license=viewergpl$
 *
 * Copyright (c) 2003-2009, Linden Research, Inc.
 *
 * Second Life Viewer Source Code
 * The source code in this file ("Source Code") is provided by Linden Lab
 * to you under the terms of the GNU General Public License, version 2.0
 * ("GPL"), unless you have obtained a separate licensing agreement
 * ("Other License"), formally executed by you and Linden Lab.  Terms of
 * the GPL can be found in doc/GPL-license.txt in this distribution, or
 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
 *
 * There are special exceptions to the terms and conditions of the GPL as
 * it is applied to this Source Code. View the full text of the exception
 * in the file doc/FLOSS-exception.txt in this software distribution, or
 * online at
 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
 *
 * By copying, modifying or distributing this software, you acknowledge
 * that you have read and understood your obligations described above,
 * and agree to abide by those obligations.
 *
 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
 * COMPLETENESS OR PERFORMANCE.
 * $/LicenseInfo$
 */

#ifndef LLUICTRLFACTORY_H
#define LLUICTRLFACTORY_H

#include <deque>
#include <string>
#include <vector>

#include "llcallbackmap.h"
#include "llfloater.h"

class LLView;
class LLPanel;

class LLUICtrlFactory : public LLSingleton<LLUICtrlFactory>
{
	friend class LLSingleton<LLUICtrlFactory>;

protected:
	LOG_CLASS(LLUICtrlFactory);

public:
	LLUICtrlFactory();
	// do not call!  needs to be public so run-time can clean up the singleton
	~LLUICtrlFactory() override;

	void setupPaths();

	bool buildFloater(LLFloater* floaterp, const std::string& filename,
					  const LLCallbackMap::map_t* factory_map = NULL,
					  bool open = true);
	bool buildPanel(LLPanel* panelp, const std::string& filename,
					const LLCallbackMap::map_t* factory_map = NULL);

	void removePanel(LLPanel* panelp)		{ mBuiltPanels.erase(panelp->getHandle()); }
	void removeFloater(LLFloater* floaterp)	{ mBuiltFloaters.erase(floaterp->getHandle()); }

	class LLMenuGL* buildMenu(const std::string& filename, LLView* parentp);
	class LLPieMenu* buildPieMenu(const std::string& filename, LLView* parentp);

	// Does what you want for LLFloaters and LLPanels
	// Returns 0 on success
	S32 saveToXML(LLView* viewp, const std::string& filename);

	// Rebuilds all currently built panels.
	void rebuild();

	static bool getAttributeColor(LLXMLNodePtr node, const std::string& name,
								  LLColor4& color);

	LLPanel* createFactoryPanel(const std::string& name);

	virtual LLView* createCtrlWidget(LLPanel* parent, LLXMLNodePtr node);
	virtual LLView* createWidget(LLPanel* parent, LLXMLNodePtr node);

	static bool getLayeredXMLNode(const std::string& filename, LLXMLNodePtr& root);

	static const std::vector<std::string>& getXUIPaths();

private:
	bool getLayeredXMLNodeImpl(const std::string& filename, LLXMLNodePtr& root);

	typedef std::map<LLHandle<LLPanel>, std::string> built_panel_t;
	built_panel_t mBuiltPanels;

	typedef std::map<LLHandle<LLFloater>, std::string> built_floater_t;
	built_floater_t mBuiltFloaters;

	std::deque<const LLCallbackMap::map_t*> mFactoryStack;

	static std::vector<std::string> sXUIPaths;

	LLPanel* mDummyPanel;
};

#endif //LLUICTRLFACTORY_H