278 lines
8.9 KiB
C++
278 lines
8.9 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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#include "core/application.h"
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#include "core/logging.h"
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#include "covers/albumcoverfetcher.h"
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#include "covers/albumcoverloader.h"
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#include "library/librarybackend.h"
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#include "ui/albumcoverchoicecontroller.h"
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#include "ui/albumcovermanager.h"
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#include "ui/albumcoversearcher.h"
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#include "ui/coverfromurldialog.h"
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#include "ui/iconloader.h"
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#include <QAction>
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#include <QCryptographicHash>
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#include <QDialog>
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#include <QDragEnterEvent>
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#include <QFileDialog>
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#include <QImageWriter>
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#include <QLabel>
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#include <QList>
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#include <QMenu>
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#include <QUrl>
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const char* AlbumCoverChoiceController::kLoadImageFileFilter =
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QT_TR_NOOP("Images (*.png *.jpg *.jpeg *.bmp *.gif *.xpm *.pbm *.pgm *.ppm *.xbm)");
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const char* AlbumCoverChoiceController::kSaveImageFileFilter =
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QT_TR_NOOP("Images (*.png *.jpg *.jpeg *.bmp *.xpm *.pbm *.ppm *.xbm)");
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const char* AlbumCoverChoiceController::kAllFilesFilter =
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QT_TR_NOOP("All files (*)");
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QSet<QString>* AlbumCoverChoiceController::sImageExtensions = NULL;
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AlbumCoverChoiceController::AlbumCoverChoiceController(QWidget* parent)
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: QWidget(parent),
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app_(NULL),
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cover_searcher_(NULL),
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cover_fetcher_(NULL),
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save_file_dialog_(NULL),
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cover_from_url_dialog_(NULL)
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{
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cover_from_file_ = new QAction(IconLoader::Load("document-open"), tr("Load cover from disk..."), this);
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cover_to_file_ = new QAction(IconLoader::Load("document-save"), tr("Save cover to disk..."), this);
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cover_from_url_ = new QAction(IconLoader::Load("download"), tr("Load cover from URL..."), this);
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search_for_cover_ = new QAction(IconLoader::Load("find"), tr("Search for album covers..."), this);
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unset_cover_ = new QAction(IconLoader::Load("list-remove"), tr("Unset cover"), this);
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show_cover_ = new QAction(IconLoader::Load("zoom-in"), tr("Show fullsize..."), this);
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separator_ = new QAction(this);
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separator_->setSeparator(true);
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}
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AlbumCoverChoiceController::~AlbumCoverChoiceController()
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{
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}
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void AlbumCoverChoiceController::SetApplication(Application* app) {
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app_ = app;
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cover_fetcher_ = new AlbumCoverFetcher(app_->cover_providers(), this);
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cover_searcher_ = new AlbumCoverSearcher(QIcon(":/nocover.png"), app, this);
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cover_searcher_->Init(cover_fetcher_);
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}
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QList<QAction*> AlbumCoverChoiceController::GetAllActions() {
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return QList<QAction*>() << cover_from_file_ << cover_to_file_
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<< separator_
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<< cover_from_url_ << search_for_cover_
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<< unset_cover_ << show_cover_;
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}
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QString AlbumCoverChoiceController::LoadCoverFromFile(Song* song) {
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QString cover = QFileDialog::getOpenFileName(
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this, tr("Load cover from disk"), GetInitialPathForFileDialog(*song, QString()),
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tr(kLoadImageFileFilter) + ";;" + tr(kAllFilesFilter));
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if (cover.isNull())
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return QString();
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// Can we load the image?
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QImage image(cover);
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if(!image.isNull()) {
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SaveCover(song, cover);
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return cover;
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} else {
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return QString();
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}
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}
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void AlbumCoverChoiceController::SaveCoverToFile(const Song& song, const QImage& image) {
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QString initial_file_name = "/" + (song.album().isEmpty()
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? tr("Unknown")
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: song.album()) + ".jpg";
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QString save_filename = QFileDialog::getSaveFileName(
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this, tr("Save album cover"), GetInitialPathForFileDialog(song, initial_file_name),
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tr(kSaveImageFileFilter) + ";;" + tr(kAllFilesFilter));
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if(save_filename.isNull())
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return;
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QString extension = save_filename.right(4);
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if (!extension.startsWith('.') ||
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!QImageWriter::supportedImageFormats().contains(extension.right(3).toUtf8())) {
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save_filename.append(".jpg");
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}
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image.save(save_filename);
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}
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QString AlbumCoverChoiceController::GetInitialPathForFileDialog(const Song& song,
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const QString& filename) {
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// art automatic is first to show user which cover the album may be
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// using now; the song is using it if there's no manual path but we
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// cannot use manual path here because it can contain cached paths
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if (!song.art_automatic().isEmpty() && !song.has_embedded_cover()) {
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return song.art_automatic();
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// if no automatic art, start in the song's folder
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} else if (!song.url().isEmpty() && song.url().toLocalFile().contains('/')) {
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return song.url().toLocalFile().section('/', 0, -2) + filename;
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// fallback - start in home
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} else {
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return QDir::home().absolutePath() + filename;
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}
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}
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QString AlbumCoverChoiceController::LoadCoverFromURL(Song* song) {
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if(!cover_from_url_dialog_) {
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cover_from_url_dialog_ = new CoverFromURLDialog(this);
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}
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QImage image = cover_from_url_dialog_->Exec();
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if(!image.isNull()) {
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QString cover = SaveCoverInCache(song->artist(), song->album(), image);
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SaveCover(song, cover);
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return cover;
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} else {
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return QString();
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}
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}
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QString AlbumCoverChoiceController::SearchForCover(Song* song) {
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// Get something sensible to stick in the search box
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QImage image = cover_searcher_->Exec(song->artist(), song->album());
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if(!image.isNull()) {
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QString cover = SaveCoverInCache(song->artist(), song->album(), image);
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SaveCover(song, cover);
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return cover;
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} else {
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return QString();
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}
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}
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QString AlbumCoverChoiceController::UnsetCover(Song* song) {
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QString cover = Song::kManuallyUnsetCover;
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SaveCover(song, cover);
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return cover;
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}
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void AlbumCoverChoiceController::ShowCover(const Song& song) {
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QDialog* dialog = new QDialog(this);
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dialog->setAttribute(Qt::WA_DeleteOnClose, true);
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// Use Artist - Album as the window title
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QString title_text(song.albumartist());
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if (title_text.isEmpty())
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title_text = song.artist();
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if (!song.album().isEmpty())
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title_text += " - " + song.album();
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dialog->setWindowTitle(title_text);
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QLabel* label = new QLabel(dialog);
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label->setPixmap(AlbumCoverLoader::TryLoadPixmap(
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song.art_automatic(), song.art_manual(), song.url().toLocalFile()));
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dialog->resize(label->pixmap()->size());
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dialog->show();
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}
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void AlbumCoverChoiceController::SaveCover(Song* song, const QString &cover) {
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if(song->is_valid() && song->id() != -1) {
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song->set_art_manual(cover);
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app_->library_backend()->UpdateManualAlbumArtAsync(song->artist(), song->album(), cover);
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}
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}
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QString AlbumCoverChoiceController::SaveCoverInCache(
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const QString& artist, const QString& album, const QImage& image) {
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// Hash the artist and album into a filename for the image
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QCryptographicHash hash(QCryptographicHash::Sha1);
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hash.addData(artist.toLower().toUtf8().constData());
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hash.addData(album.toLower().toUtf8().constData());
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QString filename(hash.result().toHex() + ".jpg");
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QString path(AlbumCoverLoader::ImageCacheDir() + "/" + filename);
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// Make sure this directory exists first
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QDir dir;
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dir.mkdir(AlbumCoverLoader::ImageCacheDir());
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// Save the image to disk
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image.save(path, "JPG");
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return path;
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}
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bool AlbumCoverChoiceController::IsKnownImageExtension(const QString& suffix) {
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if (!sImageExtensions) {
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sImageExtensions = new QSet<QString>();
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(*sImageExtensions) << "png" << "jpg" << "jpeg" << "bmp" << "gif" << "xpm"
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<< "pbm" << "pgm" << "ppm" << "xbm";
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}
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return sImageExtensions->contains(suffix);
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}
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bool AlbumCoverChoiceController::CanAcceptDrag(const QDragEnterEvent* e) {
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foreach (const QUrl& url, e->mimeData()->urls()) {
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const QString suffix = QFileInfo(url.toLocalFile()).suffix().toLower();
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if (IsKnownImageExtension(suffix))
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return true;
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}
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if (e->mimeData()->hasImage()) {
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return true;
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}
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return false;
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}
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QString AlbumCoverChoiceController::SaveCover(Song* song, const QDropEvent* e) {
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foreach (const QUrl& url, e->mimeData()->urls()) {
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const QString filename = url.toLocalFile();
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const QString suffix = QFileInfo(filename).suffix().toLower();
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if (IsKnownImageExtension(suffix)) {
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SaveCover(song, filename);
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return filename;
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}
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}
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if (e->mimeData()->hasImage()) {
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QImage image = qvariant_cast<QImage>(e->mimeData()->imageData());
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if (!image.isNull()) {
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QString cover_path = SaveCoverInCache(song->artist(), song->album(), image);
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SaveCover(song, cover_path);
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return cover_path;
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}
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}
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return QString();
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}
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