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/*
* Copyright (C) 2014 Canonical, Ltd.
*
* Authors:
* Gustavo Pichorim Boiko <gustavo.boiko@canonical.com>
* Martti Piirainen <martti.piirainen@canonical.com>
*
* This file is part of telephony-service.
*
* telephony-service is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3.
*
* telephony-service is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TONEGENERATOR_H
#define TONEGENERATOR_H
#include <QObject>
class QTimer;
static const int DTMF_LOCAL_PLAYBACK_DURATION = 200; /* in milliseconds */
static const int WAITING_PLAYBACK_DURATION = 8000; /* in milliseconds */
static const uint WAITING_TONE = 79;
static const uint CALL_ENDED_TONE = 257;
class ToneGenerator : public QObject
{
Q_OBJECT
public:
~ToneGenerator();
static ToneGenerator *instance();
public Q_SLOTS:
/**
* Valid tones: 0..9 (number keys), 10 (*), 11 (#)
*/
void playDTMFTone(uint key);
void playWaitingTone();
void stopWaitingTone();
void playCallEndedTone();
private Q_SLOTS:
void stopTone();
void stopDTMFTone();
bool startEventTone(uint key);
private:
explicit ToneGenerator(QObject *parent = 0);
QTimer* mDTMFPlaybackTimer;
QTimer* mWaitingPlaybackTimer;
};
#endif // TONEGENERATOR_H
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