tron@2186: /* $Id$ */
tron@2186: 
richk@10724: /** @file driver.h Base for all drivers (video, sound, music, etc). */
belugas@6451: 
tron@2171: #ifndef DRIVER_H
tron@2171: #define DRIVER_H
tron@2171: 
richk@6720: #include "debug.h"
rubidium@6872: #include "core/enum_type.hpp"
rubidium@6872: #include "string_func.h"
richk@6720: #include <string>
richk@6720: #include <map>
tron@2171: 
richk@6743: bool GetDriverParamBool(const char * const *parm, const char *name);
richk@6743: int GetDriverParamInt(const char * const *parm, const char *name, int def);
tron@2171: 
richk@6720: class Driver {
richk@6720: public:
richk@6720: 	virtual const char *Start(const char * const *parm) = 0;
richk@6720: 
richk@6720: 	virtual void Stop() = 0;
richk@6720: 
richk@6720: 	virtual ~Driver() { }
richk@6720: 
richk@6720: 	enum Type {
richk@6720: 		DT_BEGIN = 0,
richk@6720: 		DT_SOUND = 0,
richk@6720: 		DT_MUSIC,
richk@6720: 		DT_VIDEO,
richk@6720: 		DT_END,
richk@6720: 	};
richk@6720: };
richk@6720: 
richk@6720: DECLARE_POSTFIX_INCREMENT(Driver::Type);
richk@6720: 
richk@6720: 
richk@6720: class DriverFactoryBase {
richk@6720: private:
richk@6720: 	Driver::Type type;
richk@6720: 	char *name;
richk@6720: 	int priority;
richk@6720: 	typedef std::map<std::string, DriverFactoryBase *> Drivers;
richk@6720: 
richk@6720: 	static Drivers &GetDrivers()
richk@6720: 	{
richk@6720: 		static Drivers &s_drivers = *new Drivers();
richk@6720: 		return s_drivers;
richk@6720: 	}
richk@6720: 
richk@6720: 	static Driver **GetActiveDriver(Driver::Type type)
richk@6720: 	{
richk@6720: 		static Driver *s_driver[3] = { NULL, NULL, NULL };
richk@6720: 		return &s_driver[type];
richk@6720: 	}
richk@6720: 
richk@6720: 	static const char *GetDriverTypeName(Driver::Type type)
richk@6720: 	{
richk@6720: 		static const char *driver_type_name[] = { "sound", "music", "video" };
richk@6720: 		return driver_type_name[type];
richk@6720: 	}
richk@6720: 
richk@6720: protected:
richk@10184: 	void RegisterDriver(const char *name, Driver::Type type, int priority);
richk@6720: 
richk@6720: public:
richk@6720: 	DriverFactoryBase() :
richk@6720: 		name(NULL)
richk@6720: 	{}
richk@6720: 
richk@10994: 	virtual ~DriverFactoryBase();
richk@10724: 
richk@10724: 	/** Shuts down all active drivers
richk@10724: 	 */
richk@10724: 	static void ShutdownDrivers()
richk@10724: 	{
richk@10724: 		for (Driver::Type dt = Driver::DT_BEGIN; dt < Driver::DT_END; dt++) {
richk@10724: 			Driver *driver = *GetActiveDriver(dt);
richk@10724: 			if (driver != NULL) driver->Stop();
richk@10724: 		}
richk@10724: 	}
richk@6720: 
richk@10184: 	static const Driver *SelectDriver(const char *name, Driver::Type type);
richk@10184: 	static char *GetDriversInfo(char *p, const char *last);
richk@6720: 
richk@6720: 	/**
richk@6720: 	 * Get a nice description of the driver-class.
richk@6720: 	 */
richk@6720: 	virtual const char *GetDescription() = 0;
richk@6720: 
richk@6720: 	/**
richk@6720: 	 * Create an instance of this driver-class.
richk@6720: 	 */
richk@6720: 	virtual Driver *CreateInstance() = 0;
richk@6720: };
tron@2171: 
Darkvater@2436: #endif /* DRIVER_H */