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+/**
+ *  GraphLCD plugin for the Video Disk Recorder
+ *
+ *  service.h  -  class for events from external services
+ *
+ *  (c) 2010-2011 Wolfgang Astleitner <mrwastl AT users sourceforge net>
+ *
+ *  mailbox-contribution: user 'Keine_Ahnung'
+ **/
+
+#ifndef _GRAPHLCD_SERVICE_H_
+#define _GRAPHLCD_SERVICE_H_
+
+#include <glcdskin/type.h>
+
+#include <string>
+#include <vdr/plugin.h>
+
+#include <vector> // req. for state.h
+#include "state.h"
+
+// Radiotext
+struct RadioTextService_v1_0 {
+  int rds_info;
+  int rds_pty;
+  char *rds_text;
+  char *rds_title;
+  char *rds_artist;
+  struct tm *title_start;
+};
+
+// LcrData
+struct LcrService_v1_0 {
+  cString destination;
+  cString price;
+  cString pulse;
+};
+
+// Femon
+struct FemonService_v1_0 {
+  cString  fe_name;
+  cString  fe_status;
+  uint16_t fe_snr;
+  uint16_t fe_signal;
+  uint32_t fe_ber;
+  uint32_t fe_unc;
+  double video_bitrate;
+  double audio_bitrate;
+  double dolby_bitrate;
+};
+
+// Span
+struct Span_GetBarHeights_v1_0 {
+  // all heights are normalized to 100(%)
+  unsigned int bands;                     // number of bands to compute
+  unsigned int *barHeights;               // the heights of the bars of the two channels combined
+  unsigned int *barHeightsLeftChannel;    // the heights of the bars of the left channel
+  unsigned int *barHeightsRightChannel;   // the heights of the bars of the right channel
+  unsigned int *volumeLeftChannel;        // the volume of the left channels
+  unsigned int *volumeRightChannel;       // the volume of the right channels
+  unsigned int *volumeBothChannels;       // the combined volume of the two channels
+  const char *name;                       // name of the plugin that wants to get the data
+                                          // (must be unique for each client!)
+  unsigned int falloff;                   // bar falloff value
+  unsigned int *barPeaksBothChannels;     // bar peaks of the two channels combined
+  unsigned int *barPeaksLeftChannel;      // bar peaks of the left channel
+  unsigned int *barPeaksRightChannel;     // bar peaks of the right channel
+};
+
+
+class cGraphLCDService
+{
+private:
+    //cMutex mutex;
+    cGraphLCDState * mState;
+
+    RadioTextService_v1_0               checkRTSData,            currRTSData;
+    LcrService_v1_0                     checkLcrData,            currLcrData;
+    FemonService_v1_0                   checkFemonData,          currFemonData;
+    Span_GetBarHeights_v1_0             checkSpanData,           currSpanData;
+    bool                                checkMailboxNewData,     currMailboxNewData;
+    unsigned long                       checkMailboxUnseenData,  currMailboxUnseenData;
+    /*  __Changed = data has been changed */
+    /*  __Active  = plugin/service is available and active */
+    /*  __Use     = service is requested in skin (don't call services that wouldn't be used anyway) */
+    /*  __Init    = ServiceIsAvailable() has been called at least one for this service */
+    bool                   radioChanged,   radioActive,    radioUse,     radioInit;
+    bool                   lcrChanged,     lcrActive,      lcrUse,       lcrInit;
+    bool                   femonChanged,   femonActive,    femonUse,     femonInit;
+    bool                   mailboxChanged, mailboxActive,  mailboxUse,   mailboxInit;
+    bool                   spanChanged,    spanActive,     spanUse,      spanInit;
+    // timestamp of last service update request
+    uint64_t               radioLastChange, lcrLastChange, femonLastChange, mailboxLastChange, spanLastChange;
+    // min. delay between two service update requests
+    int                    radioUpdateDelay, lcrUpdateDelay, femonUpdateDelay, mailboxUpdateDelay, spanUpdateDelay;
+
+    // check if femon version <= 1.7.7
+    bool                   femonVersionChecked, femonVersionValid;
+//protected:
+
+public:
+    cGraphLCDService(cGraphLCDState * state);
+    virtual ~cGraphLCDService();
+
+    bool ServiceIsAvailable(const std::string & Name, const std::string & Options = NULL);
+    void SetServiceUpdateDelay(const std::string & Name, int delay);
+    bool NeedsUpdate(uint64_t CurrentTime);
+    GLCD::cType GetItem(const std::string & ServiceName, const std::string & Item);
+};
+
+#endif