call.h

   1 /*
   2         Skype Call Recorder
   3         Copyright 2008 - 2009 by 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 #include <QTime>
  35 #include <QFile>
  36
  37 #include "common.h"
  38
  39 class QStringList;
  40 class Skype;
  41 class AudioFileWriter;
  42 class QTcpServer;
  43 class QTcpSocket;
  44 class LegalInformationDialog;
  45
  46 typedef int CallID;
  47
  48 class AutoSync {
  49 public:
  50         AutoSync(int, long);
  51         ~AutoSync();
  52         void add(long);
  53         long getSync();
  54         void reset();
  55
  56 private:
  57         long *delays;
  58         int size;
  59         int index;
  60         long sum;
  61         qint64 sum2;
  62         long precision;
  63         int suppress;
  64
  65         DISABLE_COPY_AND_ASSIGNMENT(AutoSync);
  66 };
  67
  68 class Call : public QObject {
  69         Q_OBJECT
  70 public:
  71         Call(QObject *, Skype *, CallID);
  72         ~Call();
  73         void startRecording(bool = false);
  74         void stopRecording(bool = true);
  75         bool okToDelete() const;
  76         void setStatus(const QString &);
  77         QString getStatus() const { return status; }
  78         bool statusDone() const;
  79         bool statusActive() const;
  80         CallID getID() const { return id; }
  81         void removeFile();
  82         void hideConfirmation(int);
  83
  84 signals:
  85         void startedCall(int, const QString &);
  86         void stoppedCall(int);
  87         void startedRecording(int);
  88         void stoppedRecording(int);
  89         void showLegalInformation();
  90
  91 private:
  92         QString constructFileName() const;
  93         QString constructCommentTag() const;
  94         void mixToMono(long);
  95         void mixToStereo(long, int);
  96         void setShouldRecord();
  97         void ask();
  98         void doSync(long);
  99
 100 private:
 101         Skype *skype;
 102         CallID id;
 103         QString status;
 104         QString skypeName;
 105         QString displayName;
 106         AudioFileWriter *writer;
 107         bool isRecording;
 108         int stereo;
 109         int stereoMix;
 110         int shouldRecord;
 111         QString fileName;
 112         QPointer<QObject> confirmation;
 113         QDateTime timeStartRecording;
 114
 115         QTime syncTime;
 116         QFile syncFile;
 117         AutoSync sync;
 118
 119         QTcpServer *serverLocal, *serverRemote;
 120         QTcpSocket *socketLocal, *socketRemote;
 121         QByteArray bufferLocal, bufferRemote;
 122
 123 private slots:
 124         void acceptLocal();
 125         void acceptRemote();
 126         void readLocal();
 127         void readRemote();
 128         void checkConnections();
 129         long padBuffers();
 130         void tryToWrite(bool = false);
 131         void confirmRecording();
 132         void denyRecording();
 133
 134 private: // moc gets confused without this private:
 135         DISABLE_COPY_AND_ASSIGNMENT(Call);
 136 };
 137
 138 class CallHandler : public QObject {
 139         Q_OBJECT
 140 public:
 141         CallHandler(QObject *, Skype *);
 142         ~CallHandler();
 143         void callCmd(const QStringList &);
 144
 145 signals:
 146         // note that {start,stop}Recording signals are not guaranteed to always
 147         // happen within a {start,stop}Call block.  Especially,
 148         // stoppedRecording will usually happen *after* stoppedCall
 149         void startedCall(int, const QString &);
 150         void stoppedCall(int);
 151         void startedRecording(int);
 152         void stoppedRecording(int);
 153
 154 public slots:
 155         void startRecording(int);
 156         void stopRecording(int);
 157         void stopRecordingAndDelete(int);
 158
 159 private slots:
 160         void showLegalInformation();
 161
 162 private:
 163         void prune();
 164
 165 private:
 166         typedef QMap<CallID, Call *> CallMap;
 167         typedef QSet<CallID> CallSet;
 168
 169         CallMap calls;
 170         CallSet ignore;
 171         Skype *skype;
 172         QPointer<LegalInformationDialog> legalInformationDialog;
 173
 174         DISABLE_COPY_AND_ASSIGNMENT(CallHandler);
 175 };
 176
 177 #endif
 178