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#pragma once
#include <QColor>
#include <QMutex>
#include <QObject>
#include <memory>
#include <type_traits> // static_assert
#include "audio/frame.h"
#include "audio/types.h"
#include "track/cueinfo.h"
#include "util/color/rgbcolor.h"
#include "util/db/dbid.h"
class CueDAO;
class Track;
class Cue : public QObject {
Q_OBJECT
public:
/// A position value for the cue that signals its position is not set
static constexpr double kNoPosition = -1.0;
/// Invalid hot cue index
static constexpr int kNoHotCue = -1;
static_assert(kNoHotCue != mixxx::kFirstHotCueIndex,
"Conflicting definitions of invalid and first hot cue index");
struct StartAndEndPositions {
mixxx::audio::FramePos startPosition;
mixxx::audio::FramePos endPosition;
};
Cue() = delete;
/// For roundtrips during tests
Cue(
const mixxx::CueInfo& cueInfo,
mixxx::audio::SampleRate sampleRate,
bool setDirty);
/// Load entity from database.
Cue(
DbId id,
mixxx::CueType type,
mixxx::audio::FramePos position,
mixxx::audio::FrameDiff_t length,
int hotCue,
const QString& label,
mixxx::RgbColor color);
/// Initialize new cue points
Cue(
mixxx::CueType type,
int hotCueIndex,
mixxx::audio::FramePos startPosition,
mixxx::audio::FramePos endPosition);
~Cue() override = default;
bool isDirty() const;
DbId getId() const;
mixxx::CueType getType() const;
void setType(mixxx::CueType type);
mixxx::audio::FramePos getPosition() const;
void setStartPosition(mixxx::audio::FramePos position);
void setEndPosition(mixxx::audio::FramePos position);
void setStartAndEndPosition(
mixxx::audio::FramePos startPosition,
mixxx::audio::FramePos endPosition);
void shiftPositionFrames(mixxx::audio::FrameDiff_t frameOffset);
mixxx::audio::FrameDiff_t getLengthFrames() const;
int getHotCue() const;
QString getLabel() const;
void setLabel(const QString& label);
mixxx::RgbColor getColor() const;
void setColor(mixxx::RgbColor color);
mixxx::audio::FramePos getEndPosition() const;
StartAndEndPositions getStartAndEndPosition() const;
mixxx::CueInfo getCueInfo(
mixxx::audio::SampleRate sampleRate) const;
signals:
void updated();
private:
void setDirty(bool dirty);
void setId(DbId dbId);
mutable QMutex m_mutex;
bool m_bDirty;
DbId m_dbId;
mixxx::CueType m_type;
mixxx::audio::FramePos m_startPosition;
mixxx::audio::FramePos m_endPosition;
const int m_iHotCue;
QString m_label;
mixxx::RgbColor m_color;
friend class Track;
friend class CueDAO;
};
static_assert(mixxx::audio::FramePos::kLegacyInvalidEnginePosition ==
Cue::kNoPosition,
"Invalid engine position value mismatch");
class CuePointer : public std::shared_ptr<Cue> {
public:
CuePointer() = default;
explicit CuePointer(Cue* pCue)
: std::shared_ptr<Cue>(pCue, deleteLater) {
}
private:
static void deleteLater(Cue* pCue);
};
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