/*****************************************************************************
* Copyright (C) 2021 VLC authors and VideoLAN
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
#ifndef MLPLAYLISTMODEL_HPP
#define MLPLAYLISTMODEL_HPP
// MediaLibrary includes
#include "mlbasemodel.hpp"
class MLPlaylistModel : public MLBaseModel
{
Q_OBJECT
Q_PROPERTY(bool transactionPending READ transactionPending NOTIFY transactionPendingChanged FINAL)
public:
enum Role
{
MEDIA_ID = Qt::UserRole + 1,
MEDIA_IS_NEW,
MEDIA_TITLE,
MEDIA_THUMBNAIL,
MEDIA_DURATION,
MEDIA_PROGRESS,
MEDIA_PLAYCOUNT,
MEDIA_RESOLUTION,
MEDIA_CHANNEL,
MEDIA_MRL,
MEDIA_DISPLAY_MRL,
MEDIA_VIDEO_TRACK,
MEDIA_AUDIO_TRACK,
MEDIA_TITLE_FIRST_SYMBOL,
};
public:
explicit MLPlaylistModel(QObject * parent = nullptr);
public: // Interface
Q_INVOKABLE void insert(const QVariantList & items, int at);
Q_INVOKABLE void move(const QModelIndexList & indexes, int to);
Q_INVOKABLE void remove(const QModelIndexList & indexes);
bool transactionPending() const { return m_transactionPending; };
public: // QAbstractItemModel implementation
QHash<int, QByteArray> roleNames() const override;
signals:
void transactionPendingChanged();
protected: // MLBaseModel implementation
QVariant itemRoleData(const MLItem *item, int role = Qt::DisplayRole) const override;
vlc_ml_sorting_criteria_t nameToCriteria(QByteArray name) const override;
std::unique_ptr<MLListCacheLoader> createMLLoader() const override;
protected: // MLBaseModel reimplementation
void onVlcMlEvent(const MLEvent & event) override;
void thumbnailUpdated(const QModelIndex& idx, MLItem* item, const QString& mrl, vlc_ml_thumbnail_status_t status) override;
private: // Functions
struct HighLowRanges {
int lowTo;
int highTo;
std::vector<std::pair<int, int>> lowRanges;
size_t lowRangeIt;
std::vector<std::pair<int, int>> highRanges;
size_t highRangeIt;
};
/**
* returns list of row indexes in decreasing order
*/
std::vector<std::pair<int, int>> getSortedRowsRanges(const QModelIndexList & indexes, bool asc) const;
void removeImpl(int64_t playlistId, const std::vector<std::pair<int, int> >&& rangeList, size_t index);
void moveImpl(int64_t playlistId, HighLowRanges&& ranges);
void endTransaction();
void setTransactionPending(bool);
void generateThumbnail(const MLItemId& itemid) const;
bool m_transactionPending = false;
bool m_resetAfterTransaction = false;
private:
struct Loader : public MLListCacheLoader::MLOp
{
using MLListCacheLoader::MLOp::MLOp;
size_t count(vlc_medialibrary_t* ml, const vlc_ml_query_params_t* queryParams) const override;
std::vector<std::unique_ptr<MLItem>> load(vlc_medialibrary_t* ml, const vlc_ml_query_params_t* queryParams) const override;
std::unique_ptr<MLItem> loadItemById(vlc_medialibrary_t* ml, MLItemId itemId) const override;
};
};
#endif // MLPLAYLISTMODEL_HPP
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