btrymeter.h

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//
//  Copyright (c) 1997, 2005, 2006 by Mike Romberg ( mike.romberg@noaa.gov )
//
//  This file may be distributed under terms of the GPL
//
 
#ifndef _BTRYMETER_H_
#define _BTRYMETER_H_
 
#include "fieldmeter.h"
#include "xosview.h"
#include <string>
 
 
class BtryMeter : public FieldMeter {
public:
  BtryMeter( XOSView *parent );
  ~BtryMeter( void );
 
  const char *name( void ) const { return "BtryMeter"; }
  void checkevent( void );
 
  void checkResources( void );
 
  // some basic fields of 'info','alarm','state'
  // XXX: should be private
  struct acpi_batt {
          int alarm;              // in mWh
          int design_capacity;    // in mWh
          int last_full_capacity; // in mWh
          int charging_state; // charged=0,discharging=-1,charging=1
          int present_rate; // in mW, 0=unknown
          int remaining_capacity; // in mW
  };
  acpi_batt battery;
 
  static bool has_source( void );
protected:
 
  void getpwrinfo( void );
private:
 
  bool getapminfo( void );
  bool getacpi_or_sys_info( void );
 
  bool use_apm;
  bool use_acpi;
  bool use_syspower;
 
  bool acpi_battery_present(const std::string& filename);
  bool acpi_parse_battery(const std::string& filename);
  bool sys_battery_present(const std::string& filename);
  bool sys_parse_battery(const std::string& filename);
 
  static bool has_acpi(void);
  static bool has_apm(void);
  static bool has_syspower(void);
 
  void handle_apm_state(void);
  void handle_acpi_state(void);
 
  int apm_battery_state;
  int old_apm_battery_state;
 
  int acpi_charge_state;
  int old_acpi_charge_state;
 
  int acpi_sum_cap;
  int acpi_sum_remain;
  int acpi_sum_rate;
  int acpi_sum_alarm;
 
};
 
 
#endif