comparison base/ViewManagerBase.h @ 394:44d1e22918f3

* add forgotten files

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2006 Chris Cannam and QMUL.
+    
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _VIEW_MANAGER_BASE_H_
+#define _VIEW_MANAGER_BASE_H_
+
+#include <QObject>
+
+#include "Selection.h"
+
+class AudioPlaySource;
+
+/**
+ * Base class for ViewManager, with no GUI content.  This should
+ * define all of the ViewManager interface that e.g. audio I/O classes
+ * need to refer to.
+ */
+
+class ViewManagerBase : public QObject
+{
+    Q_OBJECT
+
+public:
+    virtual void setAudioPlaySource(AudioPlaySource *source) = 0;
+
+    virtual size_t alignPlaybackFrameToReference(size_t) const = 0;
+    virtual size_t alignReferenceToPlaybackFrame(size_t) const = 0;
+
+    virtual const MultiSelection &getSelection() const = 0;
+    virtual const MultiSelection::SelectionList &getSelections() const = 0;
+    virtual size_t constrainFrameToSelection(size_t frame) const = 0;
+
+    virtual Selection getContainingSelection
+    (size_t frame, bool defaultToFollowing) const = 0;
+
+    virtual bool getPlayLoopMode() const = 0;
+    virtual bool getPlaySelectionMode() const = 0;
+    virtual bool getPlaySoloMode() const = 0;
+    virtual bool getAlignMode() const = 0;
+
+signals:
+    /** Emitted when the selection has changed. */
+    void selectionChanged();
+
+    /** Emitted when the play loop mode has been changed. */
+    void playLoopModeChanged();
+    void playLoopModeChanged(bool);
+
+    /** Emitted when the play selection mode has been changed. */
+    void playSelectionModeChanged();
+    void playSelectionModeChanged(bool);
+
+    /** Emitted when the play solo mode has been changed. */
+    void playSoloModeChanged();
+    void playSoloModeChanged(bool);
+
+    /** Emitted when the alignment mode has been changed. */
+    void alignModeChanged();
+    void alignModeChanged(bool);
+};
+
+#endif
+