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#ifndef __lib_dvb_iservice_h
#define __lib_dvb_iservice_h
#include <lib/base/object.h>
#include <lib/base/estring.h>
#include <list>
class eServiceReference
{
public:
enum
{
idInvalid=-1,
idStructure, // service_id == 0 is root
idDVB,
idFile,
idUser=0x1000
};
int type;
int flags; // flags will NOT be compared.
enum
{
isDirectory=1, // SHOULD enter (implies mustDescent)
mustDescent=2, // cannot be played directly - often used with "isDirectory" (implies canDescent)
/*
for example:
normal services have none of them - they can be fed directly into the "play"-handler.
normal directories have both of them set - you cannot play a directory directly and the UI should descent into it.
playlists have "mustDescent", but not "isDirectory" - you don't want the user to browse inside the playlist (unless he really wants)
services with sub-services have none of them, instead the have the "canDecsent" flag (as all of the above)
*/
canDescent=4, // supports enterDirectory/leaveDirectory
flagDirectory=isDirectory|mustDescent|canDescent,
shouldSort=8, // should be ASCII-sorted according to service_name. great for directories.
hasSortKey=16, // has a sort key in data[3]. not having a sort key implies 0.
sort1=32 // sort key is 1 instead of 0
};
inline int getSortKey() const { return (flags & hasSortKey) ? data[3] : ((flags & sort1) ? 1 : 0); }
int data[8];
eString path;
eServiceReference()
: type(idInvalid), flags(0)
{
}
eServiceReference(int type, int flags)
: type(type), flags(flags)
{
memset(data, 0, sizeof(data));
}
eServiceReference(int type, int flags, int data0)
: type(type), flags(flags)
{
memset(data, 0, sizeof(data));
data[0]=data0;
}
eServiceReference(int type, int flags, int data0, int data1)
: type(type), flags(flags)
{
memset(data, 0, sizeof(data));
data[0]=data0;
data[1]=data1;
}
eServiceReference(int type, int flags, int data0, int data1, int data2)
: type(type), flags(flags)
{
memset(data, 0, sizeof(data));
data[0]=data0;
data[1]=data1;
data[2]=data2;
}
eServiceReference(int type, int flags, int data0, int data1, int data2, int data3)
: type(type), flags(flags)
{
memset(data, 0, sizeof(data));
data[0]=data0;
data[1]=data1;
data[2]=data2;
data[3]=data3;
}
eServiceReference(int type, int flags, int data0, int data1, int data2, int data3, int data4)
: type(type), flags(flags)
{
memset(data, 0, sizeof(data));
data[0]=data0;
data[1]=data1;
data[2]=data2;
data[3]=data3;
data[4]=data4;
}
eServiceReference(int type, int flags, const eString &path)
: type(type), flags(flags), path(path)
{
memset(data, 0, sizeof(data));
}
eServiceReference(const eString &string);
eString toString() const;
bool operator==(const eServiceReference &c) const
{
if (type != c.type)
return 0;
return /* (flags == c.flags) && */ (memcmp(data, c.data, sizeof(int)*8)==0) && (path == c.path);
}
bool operator!=(const eServiceReference &c) const
{
return !(*this == c);
}
bool operator<(const eServiceReference &c) const
{
if (type < c.type)
return 1;
if (type > c.type)
return 0;
/* if (flags < c.flags)
return 1;
if (flags > c.flags)
return 0; */
int r=memcmp(data, c.data, sizeof(int)*8);
if (r)
return r < 0;
return path < c.path;
}
operator bool() const
{
return type != idInvalid;
}
};
class iPauseableService: public virtual iObject
{
public:
virtual RESULT pause()=0;
virtual RESULT unpause()=0;
};
class iPlayableService: public virtual iObject
{
friend class iServiceHandler;
public:
// it's PRIVATE to the class factory
virtual RESULT start()=0;
virtual RESULT getIPausableService(ePtr<iPauseableService> &ptr)=0;
};
class iRecordableService: public virtual iObject
{
public:
virtual RESULT start()=0;
virtual RESULT stop()=0;
};
class iListableService: public virtual iObject
{
public:
virtual RESULT getContent(std::list<eServiceReference> &list)=0;
};
class iServiceHandler: public virtual iObject
{
public:
virtual RESULT play(const eServiceReference &, ePtr<iPlayableService> &ptr)=0;
virtual RESULT record(const eServiceReference &, ePtr<iRecordableService> &ptr)=0;
virtual RESULT list(const eServiceReference &, ePtr<iListableService> &ptr)=0;
};
#endif
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