136 lines
4.7 KiB
C++
136 lines
4.7 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2019-2023, 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 ALBUMCOVERLOADER_H
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#define ALBUMCOVERLOADER_H
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#include "config.h"
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#include <QtGlobal>
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#include <QObject>
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#include <QMutex>
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#include <QSet>
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#include <QHash>
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#include <QQueue>
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#include <QByteArray>
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#include <QString>
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#include <QImage>
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#include "core/shared_ptr.h"
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#include "core/song.h"
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#include "albumcoverloaderoptions.h"
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#include "albumcoverloaderresult.h"
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#include "albumcoverimageresult.h"
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class QThread;
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class QNetworkReply;
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class NetworkAccessManager;
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class AlbumCoverLoader : public QObject {
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Q_OBJECT
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public:
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explicit AlbumCoverLoader(QObject *parent = nullptr);
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void ExitAsync();
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void Stop() { stop_requested_ = true; }
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quint64 LoadImageAsync(const AlbumCoverLoaderOptions &options, const Song &song);
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quint64 LoadImageAsync(const AlbumCoverLoaderOptions &options, const bool art_embedded, const QUrl &art_automatic, const QUrl &art_manual, const bool art_unset, const QUrl &song_url = QUrl(), const Song::Source song_source = Song::Source::Unknown);
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quint64 LoadImageAsync(const AlbumCoverLoaderOptions &options, const AlbumCoverImageResult &album_cover);
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quint64 LoadImageAsync(const AlbumCoverLoaderOptions &options, const QImage &image);
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void CancelTask(const quint64 id);
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void CancelTasks(const QSet<quint64> &ids);
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signals:
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void ExitFinished();
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void AlbumCoverLoaded(const quint64 id, const AlbumCoverLoaderResult &result);
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private:
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class Task {
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public:
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explicit Task() : id(0), success(false), art_embedded(false), art_unset(false), song_source(Song::Source::Unknown), result_type(AlbumCoverLoaderResult::Type::None), redirects(0) {}
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quint64 id;
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bool success;
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AlbumCoverLoaderOptions options;
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bool raw_image_data() const { return options.options & AlbumCoverLoaderOptions::Option::RawImageData; }
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bool original_image() const { return options.options & AlbumCoverLoaderOptions::Option::OriginalImage; }
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bool scaled_image() const { return options.options & AlbumCoverLoaderOptions::Option::ScaledImage; }
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bool pad_scaled_image() const { return options.options & AlbumCoverLoaderOptions::Option::PadScaledImage; }
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bool art_embedded;
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QUrl art_automatic;
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QUrl art_manual;
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bool art_unset;
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QUrl song_url;
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Song::Source song_source;
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Song song;
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AlbumCoverImageResult album_cover;
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AlbumCoverLoaderResult::Type result_type;
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QUrl art_manual_updated;
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QUrl art_automatic_updated;
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int redirects;
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};
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using TaskPtr = SharedPtr<Task>;
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class LoadImageResult {
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public:
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enum class Status {
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Failure,
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Async,
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Success
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};
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explicit LoadImageResult(AlbumCoverLoaderResult::Type _type = AlbumCoverLoaderResult::Type::None, Status _status = Status::Failure) : type(_type), status(_status) {}
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AlbumCoverLoaderResult::Type type;
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Status status;
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};
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private:
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quint64 EnqueueTask(TaskPtr task);
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void ProcessTask(TaskPtr task);
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void InitArt(TaskPtr task);
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LoadImageResult LoadImage(TaskPtr task, const AlbumCoverLoaderOptions::Type &type);
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LoadImageResult LoadEmbeddedImage(TaskPtr task);
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LoadImageResult LoadUrlImage(TaskPtr task, const AlbumCoverLoaderResult::Type result_type, const QUrl &cover_url);
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LoadImageResult LoadLocalUrlImage(TaskPtr task, const AlbumCoverLoaderResult::Type result_type, const QUrl &cover_url);
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LoadImageResult LoadLocalFileImage(TaskPtr task, const AlbumCoverLoaderResult::Type result_type, const QString &cover_file);
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LoadImageResult LoadRemoteUrlImage(TaskPtr task, const AlbumCoverLoaderResult::Type result_type, const QUrl &cover_url);
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void FinishTask(TaskPtr task, const AlbumCoverLoaderResult::Type result_type);
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private slots:
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void Exit();
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void ProcessTasks();
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void LoadRemoteImageFinished(QNetworkReply *reply, TaskPtr task, const AlbumCoverLoaderResult::Type result_type, const QUrl &cover_url);
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private:
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static const int kMaxRedirects = 3;
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SharedPtr<NetworkAccessManager> network_;
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bool stop_requested_;
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QMutex mutex_load_image_async_;
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QQueue<TaskPtr> tasks_;
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quint64 load_image_async_id_;
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QThread *original_thread_;
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};
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#endif // ALBUMCOVERLOADER_H
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