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 bool StatusChanged(std::string PackageName,
  33                                unsigned int StepsDone,
  34                                unsigned int TotalSteps,
  35                                std::string HumanReadableAction) ;
  36     virtual void Error(std::string PackageName,
  37                        unsigned int StepsDone,
  38                        unsigned int TotalSteps,
  39                        std::string ErrorMessage) {};
  40     virtual void ConffilePrompt(std::string PackageName,
  41                                 unsigned int StepsDone,
  42                                 unsigned int TotalSteps,
  43                                 std::string ConfMessage) {};
  44  };
  45
  46  class PackageManagerProgressFd : public PackageManager
  47  {
  48  protected:
  49     int OutStatusFd;
  50     int StepsDone;
  51     int StepsTotal;
  52
  53  public:
  54     PackageManagerProgressFd(int progress_fd);
  55     virtual void Started();
  56     virtual void Finished();
  57
  58     virtual bool StatusChanged(std::string PackageName,
  59                                unsigned int StepsDone,
  60                                unsigned int TotalSteps,
  61                                std::string HumanReadableAction);
  62     virtual void Error(std::string PackageName,
  63                        unsigned int StepsDone,
  64                        unsigned int TotalSteps,
  65                           std::string ErrorMessage);
  66     virtual void ConffilePrompt(std::string PackageName,
  67                                 unsigned int StepsDone,
  68                                 unsigned int TotalSteps,
  69                                    std::string ConfMessage);
  70
  71  };
  72
  73  class PackageManagerFancy : public PackageManager
  74  {
  75  protected:
  76     int nr_terminal_rows;
  77     void SetupTerminalScrollArea(int nr_rows);
  78
  79  public:
  80     PackageManagerFancy();
  81     virtual void Started();
  82     virtual void Finished();
  83     virtual bool StatusChanged(std::string PackageName,
  84                                unsigned int StepsDone,
  85                                unsigned int TotalSteps,
  86                                std::string HumanReadableAction);
  87  };
  88
  89  class PackageManagerText : public PackageManager
  90  {
  91  public:
  92     virtual bool StatusChanged(std::string PackageName,
  93                                unsigned int StepsDone,
  94                                unsigned int TotalSteps,
  95                                std::string HumanReadableAction);
  96  };
  97
  98
  99 }; // namespace Progress
 100 }; // namespace APT
 101
 102 #endif