Added HandledExternally() to the EPG handler interface

CONTRIBUTORS

@@ -2465,6 +2465,7 @@ Ulf Kiener <webmaster@ulf-kiener.de>
 
 Jörg Wendel <vdr-ml@jwendel.de>
  for reporting that cPlugin::Active() was called too often
+ for adding HandledExternally() to the EPG handler interface
 
 Peter Pinnau <vdr@unterbrecher.de>
  for reporting that 'uint32_t' requires including stdint.h in font.h on some systems

HISTORY

@@ -7162,3 +7162,5 @@ Video Disk Recorder Revision History
 - Updated the Finnish OSD texts (thanks to Rolf Ahrenberg).
 - Fixed the call to ChannelString() in cSkinLCARSDisplayChannel::SetChannel() (thanks
   to Rolf Ahrenberg).
+- Removed DeleteEvent() from the EPG handler interface (turned out not to be useful)
+  and replaced it with HandledExternally() (thanks to Jörg Wendel).

eit.c

@@ -8,7 +8,7 @@
  * Robert Schneider <Robert.Schneider@web.de> and Rolf Hakenes <hakenes@hippomi.de>.
  * Adapted to 'libsi' for VDR 1.3.0 by Marcel Wiesweg <marcel.wiesweg@gmx.de>.
  *
- * $Id: eit.c 2.18 2012/06/04 09:48:57 kls Exp $
+ * $Id: eit.c 2.19 2012/06/04 10:10:11 kls Exp $
  */
 
 #include "eit.h"
@@ -45,6 +45,7 @@ cEIT::cEIT(cSchedules *Schedules, int Source, u_char Tid, const u_char *Data, bo
      return;
      }
 
+  bool handledExternally = EpgHandlers.HandledExternally(channel);
   cSchedule *pSchedule = (cSchedule *)Schedules->GetSchedule(channel, true);
 
   bool Empty = true;
@@ -70,7 +71,7 @@ cEIT::cEIT(cSchedules *Schedules, int Source, u_char Tid, const u_char *Data, bo
       cEvent *newEvent = NULL;
       cEvent *rEvent = NULL;
       cEvent *pEvent = (cEvent *)pSchedule->GetEvent(SiEitEvent.getEventId(), StartTime);
-      if (!pEvent) {
+      if (!pEvent || handledExternally) {
          if (OnlyRunningStatus)
             continue;
          // If we don't have that event yet, we create a new one.
@@ -78,7 +79,8 @@ cEIT::cEIT(cSchedules *Schedules, int Source, u_char Tid, const u_char *Data, bo
          pEvent = newEvent = new cEvent(SiEitEvent.getEventId());
          newEvent->SetStartTime(StartTime);
          newEvent->SetDuration(Duration);
-         pSchedule->AddEvent(newEvent);
+         if (!handledExternally)
+            pSchedule->AddEvent(newEvent);
          }
       else {
          // We have found an existing event, either through its event ID or its start time.
@@ -290,6 +292,8 @@ cEIT::cEIT(cSchedules *Schedules, int Source, u_char Tid, const u_char *Data, bo
          channel->SetLinkChannels(LinkChannels);
       Modified = true;
       EpgHandlers.HandleEvent(pEvent);
+      if (handledExternally)
+         delete pEvent;
       }
   if (Tid == 0x4E) {
      if (Empty && getSectionNumber() == 0)

epg.c

@@ -7,7 +7,7 @@
  * 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.c 2.15 2012/06/04 09:49:48 kls Exp $
+ * $Id: epg.c 2.16 2012/06/04 10:06:22 kls Exp $
  */
 
 #include "epg.h"
@@ -1331,6 +1331,15 @@ bool cEpgHandlers::HandleEitEvent(cSchedule *Schedule, const SI::EIT::Event *Eit
   return false;
 }
 
+bool cEpgHandlers::HandledExternally(const cChannel *Channel)
+{
+  for (cEpgHandler *eh = First(); eh; eh = Next(eh)) {
+      if (eh->HandledExternally(Channel))
+         return true;
+      }
+  return false;
+}
+
 void cEpgHandlers::SetEventID(cEvent *Event, tEventID EventID)
 {
   for (cEpgHandler *eh = First(); eh; eh = Next(eh)) {

epg.h

@@ -7,7 +7,7 @@
  * 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 2.11 2012/06/04 09:49:24 kls Exp $
+ * $Id: epg.h 2.12 2012/06/04 10:05:21 kls Exp $
  */
 
 #ifndef __EPG_H
@@ -244,6 +244,12 @@ public:
           ///< EPG handlers are queried to see if any of them would like to do the
           ///< complete processing by itself. TableID and Version are from the
           ///< incoming section data.
+  virtual bool HandledExternally(const cChannel *Channel) { return false; }
+          ///< If any EPG handler returns true in this function, it is assumed that
+          ///< the EPG for the given Channel is handled completely from some external
+          ///< source. Incoming EIT data is processed as usual, but any new EPG event
+          ///< will not be added to the respective schedule. It's up to the EPG
+          ///< handler to take care of this.
   virtual bool SetEventID(cEvent *Event, tEventID EventID) { return false; }
   virtual bool SetTitle(cEvent *Event, const char *Title) { return false; }
   virtual bool SetShortText(cEvent *Event, const char *ShortText) { return false; }
@@ -269,6 +275,7 @@ class cEpgHandlers : public cList<cEpgHandler> {
 public:
   bool IgnoreChannel(const cChannel *Channel);
   bool HandleEitEvent(cSchedule *Schedule, const SI::EIT::Event *EitEvent, uchar TableID, uchar Version);
+  bool HandledExternally(const cChannel *Channel);
   void SetEventID(cEvent *Event, tEventID EventID);
   void SetTitle(cEvent *Event, const char *Title);
   void SetShortText(cEvent *Event, const char *ShortText);