apt-pkg/iprogress.h

   1 #ifndef PKGLIB_IPROGRESS_H
   2 #define PKGLIB_IPROGRESS_H
   3
   4 #include <string>
   5 #include <unistd.h>
   6
   7
   8 namespace APT {
   9 namespace Progress {
  10
  11  class PackageManager
  12  {
  13  private:
  14     /** \brief dpointer placeholder */
  15     void *d;
  16
  17  protected:
  18     std::string progress_str;
  19     float percentage;
  20     int last_reported_progress;
  21
  22  public:
  23     PackageManager()
  24        : percentage(0.0), last_reported_progress(0) {};
  25     virtual ~PackageManager() {};
  26
  27     virtual void Started() {};
  28     virtual void Finished() {};
  29
  30     virtual pid_t fork() {return fork(); };
  31
  32     virtual void Pulse() {};
  33     virtual long GetPulseInterval() {
  34          return 500000;
  35     };
  36
  37     virtual bool StatusChanged(std::string PackageName,
  38                                unsigned int StepsDone,
  39                                unsigned int TotalSteps,
  40                                std::string HumanReadableAction) ;
  41     virtual void Error(std::string PackageName,
  42                        unsigned int StepsDone,
  43                        unsigned int TotalSteps,
  44                        std::string ErrorMessage) {};
  45     virtual void ConffilePrompt(std::string PackageName,
  46                                 unsigned int StepsDone,
  47                                 unsigned int TotalSteps,
  48                                 std::string ConfMessage) {};
  49  };
  50
  51  class PackageManagerProgressFd : public PackageManager
  52  {
  53  protected:
  54     int OutStatusFd;
  55     int StepsDone;
  56     int StepsTotal;
  57
  58  public:
  59     PackageManagerProgressFd(int progress_fd);
  60     virtual void Started();
  61     virtual void Finished();
  62
  63     virtual bool StatusChanged(std::string PackageName,
  64                                unsigned int StepsDone,
  65                                unsigned int TotalSteps,
  66                                std::string HumanReadableAction);
  67     virtual void Error(std::string PackageName,
  68                        unsigned int StepsDone,
  69                        unsigned int TotalSteps,
  70                           std::string ErrorMessage);
  71     virtual void ConffilePrompt(std::string PackageName,
  72                                 unsigned int StepsDone,
  73                                 unsigned int TotalSteps,
  74                                    std::string ConfMessage);
  75
  76  };
  77
  78  class PackageManagerFancy : public PackageManager
  79  {
  80  protected:
  81     int nr_terminal_rows;
  82     void SetupTerminalScrollArea(int nr_rows);
  83
  84  public:
  85     PackageManagerFancy();
  86     virtual void Started();
  87     virtual void Finished();
  88     virtual bool StatusChanged(std::string PackageName,
  89                                unsigned int StepsDone,
  90                                unsigned int TotalSteps,
  91                                std::string HumanReadableAction);
  92  };
  93
  94  class PackageManagerText : public PackageManager
  95  {
  96  public:
  97     virtual bool StatusChanged(std::string PackageName,
  98                                unsigned int StepsDone,
  99                                unsigned int TotalSteps,
 100                                std::string HumanReadableAction);
 101  };
 102
 103
 104 }; // namespace Progress
 105 }; // namespace APT
 106
 107 #endif