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refactor(playlist): playlist itself as model

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This could make state management easier, and also make it reusable
just in case we need to attach the playlist to a view.
This commit is contained in:
Gary Wang
2024-07-20 23:18:42 +08:00
parent 4a095a0cfd
commit eb2e2e93f9
3 changed files with 252 additions and 197 deletions
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88
app/playlistmanager.h
View File

@ -1,10 +1,47 @@
// SPDX-FileCopyrightText: 2022 Gary Wang <wzc782970009@gmail.com>
// SPDX-FileCopyrightText: 2024 Gary Wang <git@blumia.net>
//
// SPDX-License-Identifier: MIT
#pragma once
#include <QObject>
#include <QAbstractListModel>
class PlaylistModel : public QAbstractListModel
{
Q_OBJECT
public:
enum PlaylistRole {
UrlRole = Qt::UserRole
};
Q_ENUM(PlaylistRole)
Q_PROPERTY(QStringList autoLoadFilterSuffixes MEMBER m_autoLoadSuffixes NOTIFY autoLoadFilterSuffixesChanged)
explicit PlaylistModel(QObject *parent = nullptr);
~PlaylistModel();
void setPlaylist(const QList<QUrl> & urls);
QModelIndex loadPlaylist(const QList<QUrl> & urls);
QModelIndex loadPlaylist(const QUrl & url);
QModelIndex appendToPlaylist(const QUrl & url);
bool removeAt(int index);
int indexOf(const QUrl & url) const;
QStringList autoLoadFilterSuffixes() const;
QModelIndex createIndex(int row) const;
int rowCount(const QModelIndex &parent = QModelIndex()) const override;
QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
signals:
void autoLoadFilterSuffixesChanged(QStringList suffixes);
private:
// model data
QList<QUrl> m_playlist;
// properties
QStringList m_autoLoadSuffixes = {};
// internal
QString m_currentDir;
};
class PlaylistManager : public QObject
{
@ -12,47 +49,32 @@ class PlaylistManager : public QObject
public:
Q_PROPERTY(int currentIndex MEMBER m_currentIndex NOTIFY currentIndexChanged)
enum PlaylistType {
PL_USERPLAYLIST, // Regular playlist, managed by user.
PL_SAMEFOLDER // PlaylistManager managed playlist, loaded from files from same folder.
};
explicit PlaylistManager(PlaylistType type = PL_USERPLAYLIST, QObject *parent = nullptr);
explicit PlaylistManager(QObject *parent = nullptr);
~PlaylistManager();
void setPlaylistType(PlaylistType type);
PlaylistType playlistType() const;
const PlaylistModel * model() const;
QStringList autoLoadFilterSuffix() const;
void setAutoLoadFilterSuffix(const QStringList &nameFilters);
void setPlaylist(const QList<QUrl> & url);
QModelIndex loadPlaylist(const QList<QUrl> & urls);
void clear();
int totalCount() const;
QModelIndex previousIndex() const;
QModelIndex nextIndex() const;
QModelIndex curIndex() const;
void setCurrentIndex(const QModelIndex & index);
QUrl urlByIndex(const QModelIndex & index);
QString localFileByIndex(const QModelIndex & index);
bool removeAt(const QModelIndex & index);
void setPlaylist(const QList<QUrl> & urls);
void setCurrentFile(const QString & filePath);
void setCurrentIndex(int index);
int appendFile(const QString & filePath);
void removeFileAt(int index);
int indexOf(const QString & filePath);
int count() const;
std::tuple<int, QString> previousFile() const;
std::tuple<int, QString> nextFile() const;
std::tuple<int, QString> currentFile() const;
std::tuple<int, QUrl> currentFileUrl() const;
void setAutoLoadFilterSuffixes(const QStringList &nameFilters);
static QList<QUrl> convertToUrlList(const QStringList & files);
signals:
void loaded(int length);
void currentIndexChanged(int index);
void totalCountChanged(int count);
private:
QList<QUrl> m_playlist;
PlaylistType m_type;
QString m_currentDir;
int m_currentIndex = -1;
QStringList m_autoLoadSuffix = {};
int m_currentIndex;
PlaylistModel m_model;
};