src/Process.h

   1 /***************************************************************************
   2  * copyright            : (C) 2007 Shane King <kde@dontletsstart.com>      *
   3  **************************************************************************/
   4
   5 /***************************************************************************
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  ***************************************************************************/
  13
  14 #ifndef AMAROK_PROCESS_H
  15 #define AMAROK_PROCESS_H
  16
  17 #include "amarok_export.h"
  18
  19 #include <KProcess>
  20
  21 class QTextCodec;
  22
  23 // Classes needed to wrap some KProcess stuff to make it more like K3Process
  24 // Also need to close fds on fork under unix
  25
  26 ////////////////////////////////////////////////////////////////////////////////
  27 // class Process
  28 ////////////////////////////////////////////////////////////////////////////////
  29
  30 class AMAROK_EXPORT Process : public KProcess
  31 {
  32     Q_OBJECT
  33
  34     public:
  35         explicit Process(QObject *parent = 0);
  36
  37         void setLowPriority(bool lowPriority) { this->lowPriority = lowPriority; }
  38
  39         void start();
  40
  41     // for K3Process compat
  42     Q_SIGNALS:
  43         void processExited(Process *proc);
  44         void receivedStdout(Process *proc);
  45         void receivedStderr(Process *proc);
  46
  47     protected:
  48         virtual void setupChildProcess();
  49
  50     private slots:
  51         void finished();
  52         void readyReadStandardOutput();
  53         void readyReadStandardError();
  54
  55     private:
  56         bool lowPriority;
  57 };
  58
  59 ////////////////////////////////////////////////////////////////////////////////
  60 // class ProcIO
  61 ////////////////////////////////////////////////////////////////////////////////
  62
  63 class AMAROK_EXPORT ProcIO : public Process
  64 {
  65     Q_OBJECT
  66
  67     public:
  68         ProcIO();
  69
  70         int readln (QString &line);
  71         bool writeStdin(const QString &line);
  72
  73         void start();
  74
  75     Q_SIGNALS:
  76         void readReady(ProcIO *pio);
  77
  78     private slots:
  79         void readyReadStandardOutput();
  80
  81     private:
  82         QTextCodec *codec;
  83 };
  84
  85 ////////////////////////////////////////////////////////////////////////////////
  86 // class ShellProcess
  87 ////////////////////////////////////////////////////////////////////////////////
  88
  89 class AMAROK_EXPORT ShellProcess : public Process
  90 {
  91     public:
  92         explicit ShellProcess(QObject *parent = 0) : Process(parent) {}
  93
  94         ShellProcess &operator<<(const QString& arg);
  95         ShellProcess &operator<<(const QStringList& args);
  96 };
  97
  98 #endif // AMAROK_PROCESS_H