155 lines
5.2 KiB
C++
155 lines
5.2 KiB
C++
/* This file is part of Clementine.
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Copyright 2010, David Sansome <me@davidsansome.com>
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Clementine 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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Clementine 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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You should have received a copy of the GNU General Public License
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along with Clementine. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef ALBUMCOVERCHOICECONTROLLER_H
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#define ALBUMCOVERCHOICECONTROLLER_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 library to the new cover.
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// Lets the user choose a cover from disk. If no cover will be chosen or the
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// chosen
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// cover will not be a proper image, this returns an empty string. Otherwise,
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// 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
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// 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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bool ToggleCover(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 library.
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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,
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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,
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const CoverSearchStatistics& statistics);
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void AlbumCoverPopupClosed();
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private:
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QDialog* ShowCoverPrivate(const Song& song);
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QString GetInitialPathForFileDialog(const Song& song,
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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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QDialog* album_cover_popup_;
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};
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#endif // ALBUMCOVERCHOICECONTROLLER_H
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