/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#ifndef HPL_GUI_H
#define HPL_GUI_H

#include "hpl1/engine/game/Updateable.h"

#include "hpl1/engine/gui/GuiTypes.h"
#include "hpl1/engine/system/SystemTypes.h"
#include "common/stablemap.h"

namespace hpl {

class cResources;
class cGraphics;
class cSound;
class cScene;

class cGuiSet;
class cGuiSkin;
class cGuiGfxElement;

class iGuiMaterial;

//------------------------------------------------

typedef Common::StableMap<tString, cGuiSet *> tGuiSetMap;
typedef tGuiSetMap::iterator tGuiSetMapIt;

//-------------------------------------

typedef Common::StableMap<tString, cGuiSkin *> tGuiSkinMap;
typedef tGuiSkinMap::iterator tGuiSkinMapIt;

//-------------------------------------

typedef Common::StableMap<tString, eGuiSkinGfx> tGuiSkinGfxMap;
typedef tGuiSkinGfxMap::iterator tGuiSkinGfxMapIt;

typedef Common::StableMap<tString, eGuiSkinFont> tGuiSkinFontMap;
typedef tGuiSkinFontMap::iterator tGuiSkinFontMapIt;

typedef Common::StableMap<tString, eGuiSkinAttribute> tGuiSkinAttributeMap;
typedef tGuiSkinAttributeMap::iterator tGuiSkinAttributeMapIt;

//------------------------------------------------

class cGui : public iUpdateable {
public:
	cGui();
	~cGui();

	///////////////////////////////
	// General

	void Init(cResources *apResources, cGraphics *apGraphics,
			  cSound *apSound, cScene *apScene);

	void Update(float afTimeStep);

	void OnPostSceneDraw();
	void OnPostGUIDraw();

	iGuiMaterial *GetMaterial(eGuiMaterial aType);

	///////////////////////////////
	// Skins
	cGuiSkin *CreateSkin(const tString &asFile);

	eGuiSkinGfx GetSkinGfxFromString(const tString &asType);
	eGuiSkinFont GetSkinFontFromString(const tString &asType);
	eGuiSkinAttribute GetSkinAttributeFromString(const tString &asType);

	///////////////////////////////
	// Sets
	cGuiSet *CreateSet(const tString &asName, cGuiSkin *apSkin);
	cGuiSet *GetSetFromName(const tString &asName);
	void SetFocus(cGuiSet *apSet);
	void SetFocusByName(const tString &asSetName);
	cGuiSet *GetFocusedSet() { return mpSetInFocus; }
	void DestroySet(cGuiSet *apSet);

	///////////////////////////////
	// Graphics creation
	cGuiGfxElement *CreateGfxFilledRect(const cColor &aColor, eGuiMaterial aMaterial, bool abAddToList = true);
	cGuiGfxElement *CreateGfxImage(const tString &asFile, eGuiMaterial aMaterial,
								   const cColor &aColor = cColor(1, 1), bool abAddToList = true);
	cGuiGfxElement *CreateGfxTexture(const tString &asFile, eGuiMaterial aMaterial,
									 const cColor &aColor = cColor(1, 1), bool abMipMaps = false,
									 bool abAddToList = true);
	// Loads several images asFile+00, etc. Used for animations.
	// Must have extension!
	cGuiGfxElement *CreateGfxImageBuffer(const tString &asFile, eGuiMaterial aMaterial,
										 bool abCreateAnimation = true,
										 const cColor &aColor = cColor(1, 1), bool abAddToList = true);

	void DestroyGfx(cGuiGfxElement *apGfx);

	///////////////////////////////
	// Input sending
	bool SendMousePos(const cVector2f &avPos, const cVector2f &avRel);
	bool SendMouseClickDown(eGuiMouseButton aButton);
	bool SendMouseClickUp(eGuiMouseButton aButton);
	bool SendMouseDoubleClick(eGuiMouseButton aButton);

	bool SendKeyPress(Common::KeyState keyPress);

	// bool SentArrowKey(eGuiArrowKey aDir);

	///////////////////////////////
	// Properties
	cResources *GetResources() { return mpResources; }

private:
	void GenerateSkinTypeStrings();

	cResources *mpResources;
	cGraphics *mpGraphics;
	cSound *mpSound;
	cScene *mpScene;

	cGuiSet *mpSetInFocus;

	tGuiSetMap m_mapSets;
	tGuiSkinMap m_mapSkins;

	iGuiMaterial *mvMaterials[eGuiMaterial_LastEnum];

	tGuiGfxElementList mlstGfxElements;

	tGuiSkinGfxMap m_mapSkinGfxStrings;
	tGuiSkinFontMap m_mapSkinFontStrings;
	tGuiSkinAttributeMap m_mapSkinAttributeStrings;

	unsigned long mlLastRenderTime;
};

} // namespace hpl

#endif // HPL_GUI_H