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84 lines
2.9 KiB
84 lines
2.9 KiB
/***************************************************************************
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seekhelper.h - description
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-------------------
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begin : Sam Mai 10 2003
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copyright : (C) 2003 by Martin Witte
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email : witte@kawo1.rwth-aachen.de
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#ifndef KRADIO_SEEKHELPER_H
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#define KRADIO_SEEKHELPER_H
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "radiodevice_interfaces.h"
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#include "soundstreamclient_interfaces.h"
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class SeekHelper : public IRadioDeviceClient,
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public ISoundStreamClient
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{
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public:
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typedef enum { off, searchWorse, searchBest } state_t;
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typedef enum { up, down } direction_t;
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SeekHelper(ISeekRadio &parent);
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virtual ~SeekHelper();
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virtual bool connectI (Interface *i);
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virtual bool disconnectI(Interface *i);
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virtual void start(const SoundStreamID &id, direction_t dir);
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virtual void step();
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virtual void stop();
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bool isRunning() const { return m_state != off; }
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bool isRunningUp() const { return m_state != off && m_direction == up; }
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bool isRunningDown() const { return m_state != off && m_direction == down; }
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// IRadioDeviceClient
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RECEIVERS:
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bool noticePowerChanged (bool /*on*/, const IRadioDevice */*sender*/) { return false; }
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bool noticeStationChanged (const RadioStation &, const IRadioDevice */*sender*/) { return false; }
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bool noticeDescriptionChanged (const TQString &, const IRadioDevice */*sender*/) { return false; }
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bool noticeCurrentSoundStreamIDChanged(SoundStreamID /*id*/, const IRadioDevice */*sender*/) { return false; }
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protected:
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virtual void finish();
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virtual void abort() = 0;
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virtual bool isGood() const = 0;
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virtual bool isBetter() const = 0;
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virtual bool isWorse() const = 0;
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virtual bool bestFound() const = 0;
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virtual void getData() = 0;
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virtual void rememberBest() = 0;
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virtual bool nextSeekStep() = 0;
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virtual void applyBest() = 0;
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protected:
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state_t m_state;
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direction_t m_direction;
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bool m_oldMute;
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ISeekRadio &m_parent;
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SoundStreamID m_SoundStreamID;
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};
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#endif
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