Chris@394: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
Chris@394: 
Chris@394: /*
Chris@394:     Sonic Visualiser
Chris@394:     An audio file viewer and annotation editor.
Chris@394:     Centre for Digital Music, Queen Mary, University of London.
Chris@394:     This file copyright 2006 Chris Cannam and QMUL.
Chris@394:     
Chris@394:     This program is free software; you can redistribute it and/or
Chris@394:     modify it under the terms of the GNU General Public License as
Chris@394:     published by the Free Software Foundation; either version 2 of the
Chris@394:     License, or (at your option) any later version.  See the file
Chris@394:     COPYING included with this distribution for more information.
Chris@394: */
Chris@394: 
Chris@394: #ifndef _VIEW_MANAGER_BASE_H_
Chris@394: #define _VIEW_MANAGER_BASE_H_
Chris@394: 
Chris@394: #include <QObject>
Chris@394: 
Chris@394: #include "Selection.h"
Chris@394: 
Chris@394: class AudioPlaySource;
Chris@394: 
Chris@394: /**
Chris@394:  * Base class for ViewManager, with no GUI content.  This should
Chris@394:  * define all of the ViewManager interface that e.g. audio I/O classes
Chris@394:  * need to refer to.
Chris@394:  */
Chris@394: 
Chris@394: class ViewManagerBase : public QObject
Chris@394: {
Chris@394:     Q_OBJECT
Chris@394: 
Chris@394: public:
Chris@396:     virtual ~ViewManagerBase();
Chris@396: 
Chris@394:     virtual void setAudioPlaySource(AudioPlaySource *source) = 0;
Chris@394: 
Chris@394:     virtual size_t alignPlaybackFrameToReference(size_t) const = 0;
Chris@394:     virtual size_t alignReferenceToPlaybackFrame(size_t) const = 0;
Chris@394: 
Chris@394:     virtual const MultiSelection &getSelection() const = 0;
Chris@394:     virtual const MultiSelection::SelectionList &getSelections() const = 0;
Chris@394:     virtual size_t constrainFrameToSelection(size_t frame) const = 0;
Chris@394: 
Chris@394:     virtual Selection getContainingSelection
Chris@394:     (size_t frame, bool defaultToFollowing) const = 0;
Chris@394: 
Chris@394:     virtual bool getPlayLoopMode() const = 0;
Chris@394:     virtual bool getPlaySelectionMode() const = 0;
Chris@394:     virtual bool getPlaySoloMode() const = 0;
Chris@394:     virtual bool getAlignMode() const = 0;
Chris@394: 
Chris@394: signals:
Chris@394:     /** Emitted when the selection has changed. */
Chris@394:     void selectionChanged();
Chris@394: 
Chris@394:     /** Emitted when the play loop mode has been changed. */
Chris@394:     void playLoopModeChanged();
Chris@394:     void playLoopModeChanged(bool);
Chris@394: 
Chris@394:     /** Emitted when the play selection mode has been changed. */
Chris@394:     void playSelectionModeChanged();
Chris@394:     void playSelectionModeChanged(bool);
Chris@394: 
Chris@394:     /** Emitted when the play solo mode has been changed. */
Chris@394:     void playSoloModeChanged();
Chris@394:     void playSoloModeChanged(bool);
Chris@394: 
Chris@394:     /** Emitted when the alignment mode has been changed. */
Chris@394:     void alignModeChanged();
Chris@394:     void alignModeChanged(bool);
Chris@394: };
Chris@394: 
Chris@394: #endif
Chris@394: