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vdr/epg.h

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/*
* epg.h: Electronic Program Guide
*
* See the main source file 'vdr.c' for copyright information and
* how to reach the author.
*
* Original version (as used in VDR before 1.3.0) written by
* Robert Schneider <Robert.Schneider@web.de> and Rolf Hakenes <hakenes@hippomi.de>.
*
* $Id: epg.h 1.4 2004/01/09 15:21:05 kls Exp $
*/
#ifndef __EPG_H
#define __EPG_H
#include "channels.h"
#include "thread.h"
#include "tools.h"
#define MAXEPGBUGFIXLEVEL 2
class cSchedule;
class cEvent : public cListObject {
private:
tChannelID channelID; // Channel ID of program for this event
u_int16_t eventID; // Event ID of this event
uchar tableID; // Table ID this event came from
uchar version; // Version number of section this event came from
//XXX present/following obsolete???
bool isPresent; // true if this is the present event running
bool isFollowing; // true if this is the next event on this channel
char *title; // Title of this event
char *shortText; // Short description of this event (typically the episode name in case of a series)
char *description; // Description of this event
time_t startTime; // Start time of this event
int duration; // Duration of this event in seconds
//XXX find an other solution, avoiding channelNumber???
int channelNumber; // the actual channel number from VDR's channel list (used in cMenuSchedule for sorting by channel number)
public:
cEvent(tChannelID ChannelID, u_int16_t EventID);
~cEvent();
tChannelID ChannelID(void) const { return channelID; }
u_int16_t EventID(void) const { return eventID; }
uchar TableID(void) const { return tableID; }
uchar Version(void) const { return version; }
bool IsPresent(void) const { return isPresent; }
bool IsFollowing(void) const { return isFollowing; }
const char *Title(void) const { return title; }
const char *ShortText(void) const { return shortText; }
const char *Description(void) const { return description; }
time_t StartTime(void) const { return startTime; }
int Duration(void) const { return duration; }
int ChannelNumber(void) const { return channelNumber; }
const char *GetDateString(void) const;
const char *GetTimeString(void) const;
const char *GetEndTimeString(void) const;
void SetEventID(u_int16_t EventID);
void SetTableID(uchar TableID);
void SetVersion(uchar Version);
void SetIsPresent(bool IsPresent);
void SetIsFollowing(bool IsFollowing);
void SetTitle(const char *Title);
void SetShortText(const char *ShortText);
void SetDescription(const char *Description);
void SetStartTime(time_t StartTime);
void SetDuration(int Duration);
void SetChannelNumber(int ChannelNumber) const { ((cEvent *)this)->channelNumber = ChannelNumber; } // doesn't modify the EIT data, so it's ok to make it 'const' //XXX
void Dump(FILE *f, const char *Prefix = "") const;
static bool Read(FILE *f, cSchedule *Schedule);
void FixEpgBugs(void);
};
class cSchedules;
class cSchedule : public cListObject {
private:
tChannelID channelID;
cList<cEvent> events;
cEvent *present;
cEvent *following;
public:
cSchedule(tChannelID ChannelID);
tChannelID ChannelID(void) const { return channelID; }
bool SetPresentEvent(cEvent *Event);
bool SetFollowingEvent(cEvent *Event);
void ResetVersions(void);
void Cleanup(time_t Time);
void Cleanup(void);
cEvent *AddEvent(cEvent *Event);
const cEvent *GetPresentEvent(void) const;
const cEvent *GetFollowingEvent(void) const;
const cEvent *GetEvent(u_int16_t EventID, time_t StartTime = 0) const;
const cEvent *GetEventAround(time_t Time) const;
const cEvent *GetEventNumber(int n) const { return events.Get(n); }
int NumEvents(void) const { return events.Count(); }
void Dump(FILE *f, const char *Prefix = "") const;
static bool Read(FILE *f, cSchedules *Schedules);
};
class cSchedulesLock {
private:
bool locked;
public:
cSchedulesLock(bool WriteLock = false, int TimeoutMs = 0);
~cSchedulesLock();
bool Locked(void) { return locked; }
};
class cSchedules : public cList<cSchedule> {
friend class cSchedule;
friend class cSchedulesLock;
private:
cRwLock rwlock;
static cSchedules schedules;
static const char *epgDataFileName;
static time_t lastCleanup;
static time_t lastDump;
public:
static void SetEpgDataFileName(const char *FileName);
static const cSchedules *Schedules(cSchedulesLock &SchedulesLock);
///< Caller must provide a cSchedulesLock which has to survive the entire
///< time the returned cSchedules is accessed. Once the cSchedules is no
///< longer used, the cSchedulesLock must be destroyed.
static void Cleanup(bool Force = false);
static void ResetVersions(void);
static bool ClearAll(void);
static bool Dump(FILE *f, const char *Prefix = "");
static bool Read(FILE *f = NULL);
cSchedule *AddSchedule(tChannelID ChannelID);
const cSchedule *GetSchedule(tChannelID ChannelID) const;
};
void ReportEpgBugFixStats(bool Reset = false);
#endif //__EPG_H