/* 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 2
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-1-1/backends/platform/symbian/src/SymbianOS.h $
 * $Id: SymbianOS.h 45976 2009-11-18 15:23:16Z fingolfin $
 */

#ifndef SDLSYMBIANH
#define SDLSYMBIANH

#include "backends/platform/sdl/sdl.h"

#define TOTAL_ZONES 3
class RFs;

class OSystem_SDL_Symbian : public OSystem_SDL {
public:
	OSystem_SDL_Symbian();
	virtual ~OSystem_SDL_Symbian();

public:
	/**
	 * The following method is called once, from main.cpp, after all
	 * config data (including command line params etc.) are fully loaded.
	 */
	virtual void initBackend();

	int getDefaultGraphicsMode() const;
	const OSystem::GraphicsMode *getSupportedGraphicsModes() const;
	bool setGraphicsMode(const char *name);
	void quitWithErrorMsg(const char *msg);
	virtual bool hasFeature(Feature f);
	void setFeatureState(Feature f, bool enable);

	// Set function that generates samples
	//
	// This function is overridden by the symbian port in order to provide MONO audio
	// downmix is done by supplying our own audiocallback
	//
	virtual void setupMixer(); // overloaded by CE backend

	// Overloaded from SDL_Commmon
	void quit();

	// Returns reference to File session
	RFs& FsSession();
protected:
	//
	// The mixer callback function, passed on to OSystem::setSoundCallback().
	// This simply calls the mix() method.
	// and then does downmixing for symbian if needed
	//
	static void symbianMixCallback(void *s, byte *samples, int len);


	virtual Common::SeekableReadStream *createConfigReadStream();
	virtual Common::WriteStream *createConfigWriteStream();
public:
	// vibration support
#ifdef USE_VIBRA_SE_PXXX
	//
	// Intialize the vibration api used if present and supported
	//
	void initializeVibration();

	//
	// Turn vibration on, repeat no time
	// @param vibraLength number of repetitions
	//
	void vibrationOn(int vibraLength);

	//
	// Turns the vibration off
	//
	void vibrationOff();

protected:
	SonyEricsson::CVibration* _vibrationApi;
#endif // USE_VIBRA_SE_PXXX

protected:

	//
	// This is an implementation by the remapKey function
	// @param SDL_Event to remap
	// @param ScumVM event to modify if special result is requested
	// @return true if Common::Event has a valid return status
	//
	bool remapKey(SDL_Event &ev, Common::Event &event);

	void setWindowCaption(const char *caption);

	/**
	 * Allows the backend to perform engine specific init.
	 * Called just before the engine is run.
	 */
	virtual void engineInit();

	/**
	 * Allows the backend to perform engine specific de-init.
	 * Called after the engine finishes.
	 */
	virtual void engineDone();

	//
	// Used to intialized special game mappings
	//
	void check_mappings();

	void initZones();

	// Audio
	int _channels;

	byte *_stereo_mix_buffer;

	// Used to handle joystick navi zones
	int _mouseXZone[TOTAL_ZONES];
	int _mouseYZone[TOTAL_ZONES];
	int _currentZone;

	struct zoneDesc {
		int x;
		int y;
		int width;
		int height;
	};

	static zoneDesc _zones[TOTAL_ZONES];
	RFs* _RFs;
};

#endif
