149 lines
5.1 KiB
C
149 lines
5.1 KiB
C
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/*
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* Strawberry Music Player
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* This file was part of Clementine.
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* Copyright 2010, David Sansome <me@davidsansome.com>
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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 ALBUMCOVERCHOICECONTROLLER_H
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#define ALBUMCOVERCHOICECONTROLLER_H
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#include "config.h"
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#include <QAction>
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#include <QList>
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#include <QMenu>
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#include <QWidget>
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class AlbumCoverFetcher;
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class AlbumCoverSearcher;
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class Application;
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class CoverFromURLDialog;
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class QFileDialog;
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class Song;
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struct CoverSearchStatistics;
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// Controller for the common album cover related menu options.
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class AlbumCoverChoiceController : public QWidget {
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Q_OBJECT
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public:
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static const char *kLoadImageFileFilter;
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static const char *kSaveImageFileFilter;
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static const char *kAllFilesFilter;
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AlbumCoverChoiceController(QWidget *parent = nullptr);
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~AlbumCoverChoiceController();
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void SetApplication(Application *app);
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// Getters for all QActions implemented by this controller.
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QAction *cover_from_file_action() const { return cover_from_file_; }
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QAction *cover_to_file_action() const { return cover_to_file_; }
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QAction *cover_from_url_action() const { return cover_from_url_; }
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QAction *search_for_cover_action() const { return search_for_cover_; }
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QAction *unset_cover_action() const { return unset_cover_; }
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QAction *show_cover_action() const { return show_cover_; }
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QAction *search_cover_auto_action() const { return search_cover_auto_; }
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// Returns QAction* for every operation implemented by this controller.
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// The list contains QAction* for:
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// 1. loading cover from file
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// 2. loading cover from URL
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// 3. searching for cover using last.fm
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// 4. unsetting the cover manually
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// 5. showing the cover in original size
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QList<QAction*> GetAllActions();
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// All of the methods below require a currently selected song as an
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// input parameter. Also - LoadCoverFromFile, LoadCoverFromURL,
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// SearchForCover, UnsetCover and SaveCover all update manual path
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// of the given song in collection to the new cover.
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// Lets the user choose a cover from disk. If no cover will be chosen or the chosen
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// cover will not be a proper image, this returns an empty string. Otherwise, the
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// path to the chosen cover will be returned.
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QString LoadCoverFromFile(Song *song);
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// Shows a dialog that allows user to save the given image on disk. The image
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// is supposed to be the cover of the given song's album.
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void SaveCoverToFile(const Song &song, const QImage &image);
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// Downloads the cover from an URL given by user. This returns the downloaded image
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// or null image if something went wrong for example when user cancelled the
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// dialog.
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QString LoadCoverFromURL(Song *song);
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// Lets the user choose a cover among all that have been found on last.fm.
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// Returns the chosen cover or null cover if user didn't choose anything.
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QString SearchForCover(Song *song);
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// Returns a path which indicates that the cover has been unset manually.
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QString UnsetCover(Song *song);
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// Shows the cover of given song in it's original size.
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void ShowCover(const Song &song);
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// Search for covers automatically
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void SearchCoverAutomatically(const Song &song);
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// Saves the chosen cover as manual cover path of this song in collection.
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void SaveCover(Song *song, const QString &cover);
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// Saves the cover that the user picked through a drag and drop operation.
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QString SaveCover(Song *song, const QDropEvent *e);
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// Saves the given image in cache as a cover for 'artist' - 'album'.
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// The method returns path of the cached image.
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QString SaveCoverInCache(const QString &artist, const QString &album, const QImage &image);
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static bool CanAcceptDrag(const QDragEnterEvent *e);
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signals:
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void AutomaticCoverSearchDone();
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private slots:
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void AlbumCoverFetched(quint64 id, const QImage &image, const CoverSearchStatistics &statistics);
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private:
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QString GetInitialPathForFileDialog(const Song &song, const QString &filename);
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static bool IsKnownImageExtension(const QString &suffix);
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static QSet<QString> *sImageExtensions;
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Application *app_;
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AlbumCoverSearcher *cover_searcher_;
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AlbumCoverFetcher *cover_fetcher_;
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QFileDialog *save_file_dialog_;
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CoverFromURLDialog *cover_from_url_dialog_;
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QAction *cover_from_file_;
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QAction *cover_to_file_;
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QAction *separator_;
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QAction *cover_from_url_;
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QAction *search_for_cover_;
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QAction *unset_cover_;
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QAction *show_cover_;
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QAction *search_cover_auto_;
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QMap<quint64, Song> cover_fetching_tasks_;
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};
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#endif // ALBUMCOVERCHOICECONTROLLER_H
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