107 lines
2.7 KiB
C++
107 lines
2.7 KiB
C++
/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2012, David Sansome <me@davidsansome.com>
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* Copyright 2019-2025, Jonas Kvinge <jonas@jkvinge.net>
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*
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* Strawberry is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Strawberry is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Strawberry. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef MOODBARITEMDELEGATE_H
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#define MOODBARITEMDELEGATE_H
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#include "moodbarrenderer.h"
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#include <QObject>
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#include <QItemDelegate>
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#include <QCache>
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#include <QSet>
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#include <QByteArray>
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#include <QString>
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#include <QUrl>
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#include <QImage>
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#include <QPixmap>
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#include <QSize>
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#include <QStyleOption>
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#include "includes/shared_ptr.h"
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#include "constants/moodbarsettings.h"
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#include "moodbarpipeline.h"
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class QPainter;
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class MoodbarLoader;
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class PlaylistView;
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class MoodbarItemDelegate : public QItemDelegate {
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Q_OBJECT
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public:
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explicit MoodbarItemDelegate(const SharedPtr<MoodbarLoader> moodbar_loader, PlaylistView *view, QObject *parent = nullptr);
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void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &idx) const override;
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private Q_SLOTS:
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void ReloadSettings();
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Q_SIGNALS:
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void StyleChanged();
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private:
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void DataLoaded(const QUrl &url, MoodbarPipelinePtr pipeline);
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void ColorsLoaded(const QUrl &url, const ColorVector &colors);
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void ImageLoaded(const QUrl &url, const QImage &image);
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private:
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struct Data {
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Data();
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enum class State {
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None,
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CannotLoad,
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LoadingData,
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LoadingColors,
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LoadingImage,
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Loaded
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};
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QSet<QPersistentModelIndex> indexes_;
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State state_;
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ColorVector colors_;
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QSize desired_size_;
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QPixmap pixmap_;
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};
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private:
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QPixmap PixmapForIndex(const QModelIndex &idx, const QSize size);
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void StartLoadingData(const QUrl &url, const bool has_cue, Data *data);
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void StartLoadingColors(const QUrl &url, const QByteArray &bytes, Data *data);
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void StartLoadingImage(const QUrl &url, Data *data);
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bool RemoveFromCacheIfIndexesInvalid(const QUrl &url, Data *data);
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void ReloadAllColors();
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private:
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const SharedPtr<MoodbarLoader> moodbar_loader_;
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PlaylistView *playlist_view_;
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QCache<QUrl, Data> data_;
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bool enabled_;
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MoodbarSettings::Style style_;
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};
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#endif // MOODBARITEMDELEGATE_H
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