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strawberry/src/moodbar/moodbaritemdelegate.h
2025-01-08 04:57:17 +01:00

107 lines
2.7 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2012, David Sansome <me@davidsansome.com>
* Copyright 2019-2025, Jonas Kvinge <jonas@jkvinge.net>
*
* Strawberry 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 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef MOODBARITEMDELEGATE_H
#define MOODBARITEMDELEGATE_H
#include "moodbarrenderer.h"
#include <QObject>
#include <QItemDelegate>
#include <QCache>
#include <QSet>
#include <QByteArray>
#include <QString>
#include <QUrl>
#include <QImage>
#include <QPixmap>
#include <QSize>
#include <QStyleOption>
#include "includes/shared_ptr.h"
#include "constants/moodbarsettings.h"
#include "moodbarpipeline.h"
class QPainter;
class MoodbarLoader;
class PlaylistView;
class MoodbarItemDelegate : public QItemDelegate {
Q_OBJECT
public:
explicit MoodbarItemDelegate(const SharedPtr<MoodbarLoader> moodbar_loader, PlaylistView *view, QObject *parent = nullptr);
void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &idx) const override;
private Q_SLOTS:
void ReloadSettings();
Q_SIGNALS:
void StyleChanged();
private:
void DataLoaded(const QUrl &url, MoodbarPipelinePtr pipeline);
void ColorsLoaded(const QUrl &url, const ColorVector &colors);
void ImageLoaded(const QUrl &url, const QImage &image);
private:
struct Data {
Data();
enum class State {
None,
CannotLoad,
LoadingData,
LoadingColors,
LoadingImage,
Loaded
};
QSet<QPersistentModelIndex> indexes_;
State state_;
ColorVector colors_;
QSize desired_size_;
QPixmap pixmap_;
};
private:
QPixmap PixmapForIndex(const QModelIndex &idx, const QSize size);
void StartLoadingData(const QUrl &url, const bool has_cue, Data *data);
void StartLoadingColors(const QUrl &url, const QByteArray &bytes, Data *data);
void StartLoadingImage(const QUrl &url, Data *data);
bool RemoveFromCacheIfIndexesInvalid(const QUrl &url, Data *data);
void ReloadAllColors();
private:
const SharedPtr<MoodbarLoader> moodbar_loader_;
PlaylistView *playlist_view_;
QCache<QUrl, Data> data_;
bool enabled_;
MoodbarSettings::Style style_;
};
#endif // MOODBARITEMDELEGATE_H