1 files changed, 83 insertions, 0 deletions
diff --git a/src/include/seekhelper.h b/src/include/seekhelper.h
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+++ b/src/include/seekhelper.h
@@ -0,0 +1,83 @@
+/***************************************************************************
+                          seekhelper.h  -  description
+                             -------------------
+    begin                : Sam Mai 10 2003
+    copyright            : (C) 2003 by Martin Witte
+    email                : witte@kawo1.rwth-aachen.de
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program 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; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef KRADIO_SEEKHELPER_H
+#define KRADIO_SEEKHELPER_H
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "radiodevice_interfaces.h"
+#include "soundstreamclient_interfaces.h"
+
+
+class SeekHelper : public IRadioDeviceClient,
+                   public ISoundStreamClient
+{
+public:
+    typedef enum { off, searchWorse, searchBest } state_t;
+    typedef enum { up, down } direction_t;
+
+    SeekHelper(ISeekRadio &parent);
+    virtual ~SeekHelper();
+
+    virtual bool     connectI   (Interface *i);
+    virtual bool     disconnectI(Interface *i);
+
+    virtual void start(const SoundStreamID &id, direction_t dir);
+    virtual void step();
+    virtual void stop();
+
+    bool isRunning()     const { return m_state != off; }
+    bool isRunningUp()   const { return m_state != off && m_direction == up; }
+    bool isRunningDown() const { return m_state != off && m_direction == down; }
+
+
+// IRadioDeviceClient
+RECEIVERS:
+    bool noticePowerChanged   (bool /*on*/, const IRadioDevice */*sender*/)          { return false; }
+    bool noticeStationChanged (const RadioStation &, const IRadioDevice */*sender*/) { return false; }
+    bool noticeDescriptionChanged (const TQString &, const IRadioDevice */*sender*/)  { return false; }
+
+    bool noticeCurrentSoundStreamIDChanged(SoundStreamID /*id*/, const IRadioDevice */*sender*/) { return false; }
+
+protected:
+
+    virtual void finish();
+
+    virtual void abort() = 0;
+    virtual bool isGood() const = 0;
+    virtual bool isBetter() const = 0;
+    virtual bool isWorse() const = 0;
+    virtual bool bestFound() const = 0;
+    virtual void getData() = 0;
+    virtual void rememberBest() = 0;
+    virtual bool nextSeekStep() = 0;
+    virtual void applyBest() = 0;
+
+protected:
+    state_t        m_state;
+    direction_t    m_direction;
+    bool           m_oldMute;
+
+    ISeekRadio    &m_parent;
+    SoundStreamID  m_SoundStreamID;
+};
+
+#endif
+