call.h

   1 /*
   2         Skype Call Recorder
   3         Copyright (C) 2008 jlh (jlh at gmx dot ch)
   4
   5         This program is free software; you can redistribute it and/or modify it
   6         under the terms of the GNU General Public License as published by the
   7         Free Software Foundation; either version 2 of the License, version 3 of
   8         the License, or (at your option) any later version.
   9
  10         This program is distributed in the hope that it will be useful, but
  11         WITHOUT ANY WARRANTY; without even the implied warranty of
  12         MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13         General Public License for more details.
  14
  15         You should have received a copy of the GNU General Public License along
  16         with this program; if not, write to the Free Software Foundation, Inc.,
  17         51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  18
  19         The GNU General Public License version 2 is included with the source of
  20         this program under the file name COPYING.  You can also get a copy on
  21         http://www.fsf.org/
  22 */
  23
  24 #ifndef CALL_H
  25 #define CALL_H
  26
  27 #include <QObject>
  28 #include <QString>
  29 #include <QByteArray>
  30 #include <QMap>
  31 #include <QSet>
  32 #include <QPointer>
  33 #include <QDateTime>
  34
  35 #include "common.h"
  36
  37 class QStringList;
  38 class Skype;
  39 class AudioFileWriter;
  40 class QTcpServer;
  41 class QTcpSocket;
  42 class LegalInformationDialog;
  43
  44 typedef int CallID;
  45
  46 class Call : public QObject {
  47         Q_OBJECT
  48 public:
  49         Call(QObject *, Skype *, CallID);
  50         ~Call();
  51         void startRecording(bool = false);
  52         void stopRecording(bool = true);
  53         bool okToDelete() const;
  54         void setStatus(const QString &);
  55         QString getStatus() const { return status; }
  56         bool statusDone() const;
  57         bool statusActive() const;
  58         CallID getID() const { return id; }
  59         void removeFile();
  60         void hideConfirmation(int);
  61
  62 signals:
  63         void startedCall(int, const QString &);
  64         void stoppedCall(int);
  65         void startedRecording(int);
  66         void stoppedRecording(int);
  67         void showLegalInformation();
  68
  69 private:
  70         QString constructFileName() const;
  71         QString constructCommentTag() const;
  72         void mixToMono(long);
  73         void setShouldRecord();
  74         void ask();
  75
  76 private:
  77         Skype *skype;
  78         CallID id;
  79         QString status;
  80         QString skypeName;
  81         QString displayName;
  82         AudioFileWriter *writer;
  83         bool isRecording;
  84         int channelMode;
  85         int shouldRecord;
  86         QString fileName;
  87         QPointer<QObject> confirmation;
  88         QDateTime timeStartRecording;
  89
  90         QTcpServer *serverLocal, *serverRemote;
  91         QTcpSocket *socketLocal, *socketRemote;
  92         QByteArray bufferLocal, bufferRemote;
  93         QByteArray bufferMono;
  94
  95 private slots:
  96         void acceptLocal();
  97         void acceptRemote();
  98         void readLocal();
  99         void readRemote();
 100         void checkConnections();
 101         long padBuffers();
 102         void tryToWrite(bool = false);
 103         void confirmRecording();
 104         void denyRecording();
 105
 106 private: // moc gets confused without this private:
 107         DISABLE_COPY_AND_ASSIGNMENT(Call);
 108 };
 109
 110 class CallHandler : public QObject {
 111         Q_OBJECT
 112 public:
 113         CallHandler(QObject *, Skype *);
 114         ~CallHandler();
 115         void callCmd(const QStringList &);
 116
 117 signals:
 118         // note that {start,stop}Recording signals are not guaranteed to always
 119         // happen within a {start,stop}Call block.  Especially,
 120         // stoppedRecording will usually happen *after* stoppedCall
 121         void startedCall(int, const QString &);
 122         void stoppedCall(int);
 123         void startedRecording(int);
 124         void stoppedRecording(int);
 125
 126 public slots:
 127         void startRecording(int);
 128         void stopRecording(int);
 129         void stopRecordingAndDelete(int);
 130
 131 private slots:
 132         void showLegalInformation();
 133
 134 private:
 135         void prune();
 136
 137 private:
 138         typedef QMap<CallID, Call *> CallMap;
 139         typedef QSet<CallID> CallSet;
 140
 141         CallMap calls;
 142         CallSet ignore;
 143         Skype *skype;
 144         QPointer<LegalInformationDialog> legalInformationDialog;
 145
 146         DISABLE_COPY_AND_ASSIGNMENT(CallHandler);
 147 };
 148
 149 #endif
 150