282 lines
9.0 KiB
C++
282 lines
9.0 KiB
C++
/*
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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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* Copyright 2018-2021, 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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#include "config.h"
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#include <QWidget>
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#include <QDialog>
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#include <QStandardItemModel>
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#include <QAbstractItemModel>
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#include <QStyledItemDelegate>
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#include <QStyleOptionViewItem>
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#include <QStandardItem>
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#include <QList>
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#include <QVariant>
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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 <QPainter>
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#include <QIcon>
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#include <QFont>
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#include <QFontMetrics>
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#include <QColor>
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#include <QRect>
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#include <QSize>
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#include <QDialogButtonBox>
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#include <QPushButton>
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#include <QKeySequence>
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#include <QtEvents>
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#include "core/application.h"
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#include "utilities/strutils.h"
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#include "utilities/timeutils.h"
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#include "utilities/mimeutils.h"
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#include "widgets/busyindicator.h"
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#include "widgets/forcescrollperpixel.h"
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#include "widgets/groupediconview.h"
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#include "widgets/qsearchfield.h"
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#include "albumcoversearcher.h"
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#include "albumcoverfetcher.h"
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#include "albumcoverloader.h"
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#include "albumcoverloaderresult.h"
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#include "albumcoverimageresult.h"
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#include "ui_albumcoversearcher.h"
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const int SizeOverlayDelegate::kMargin = 4;
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const int SizeOverlayDelegate::kPaddingX = 3;
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const int SizeOverlayDelegate::kPaddingY = 1;
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const qreal SizeOverlayDelegate::kBorder = 5.0;
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const qreal SizeOverlayDelegate::kFontPointSize = 7.5;
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const int SizeOverlayDelegate::kBorderAlpha = 200;
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const int SizeOverlayDelegate::kBackgroundAlpha = 175;
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SizeOverlayDelegate::SizeOverlayDelegate(QObject *parent)
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: QStyledItemDelegate(parent) {}
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void SizeOverlayDelegate::paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &idx) const {
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QStyledItemDelegate::paint(painter, option, idx);
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if (!idx.data(AlbumCoverSearcher::Role_ImageFetchFinished).toBool()) {
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return;
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}
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const QSize size = idx.data(AlbumCoverSearcher::Role_ImageSize).toSize();
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const QString text = Utilities::PrettySize(size);
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QFont font(option.font);
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font.setPointSizeF(kFontPointSize);
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font.setBold(true);
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const QFontMetrics metrics(font);
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const int text_width = metrics.horizontalAdvance(text);
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const QRect icon_rect(option.rect.left(), option.rect.top(), option.rect.width(), option.rect.width());
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const QRect background_rect(icon_rect.right() - kMargin - text_width - kPaddingX * 2, icon_rect.bottom() - kMargin - metrics.height() - kPaddingY * 2, text_width + kPaddingX * 2, metrics.height() + kPaddingY * 2);
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const QRect text_rect(background_rect.left() + kPaddingX, background_rect.top() + kPaddingY, text_width, metrics.height());
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painter->save();
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painter->setRenderHint(QPainter::Antialiasing);
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painter->setPen(QColor(0, 0, 0, kBorderAlpha));
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painter->setBrush(QColor(0, 0, 0, kBackgroundAlpha));
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painter->drawRoundedRect(background_rect, kBorder, kBorder);
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painter->setPen(Qt::white);
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painter->setFont(font);
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painter->drawText(text_rect, text);
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painter->restore();
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}
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AlbumCoverSearcher::AlbumCoverSearcher(const QIcon &no_cover_icon, Application *app, QWidget *parent)
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: QDialog(parent),
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ui_(new Ui_AlbumCoverSearcher),
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app_(app),
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model_(new QStandardItemModel(this)),
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no_cover_icon_(no_cover_icon),
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fetcher_(nullptr),
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id_(0) {
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setWindowModality(Qt::WindowModal);
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ui_->setupUi(this);
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ui_->busy->hide();
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ui_->covers->set_header_text(tr("Covers from %1"));
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ui_->covers->AddSortSpec(Role_ImageDimensions, Qt::DescendingOrder);
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ui_->covers->setItemDelegate(new SizeOverlayDelegate(this));
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ui_->covers->setModel(model_);
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QObject::connect(&*app_->album_cover_loader(), &AlbumCoverLoader::AlbumCoverLoaded, this, &AlbumCoverSearcher::AlbumCoverLoaded);
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QObject::connect(ui_->search, &QPushButton::clicked, this, &AlbumCoverSearcher::Search);
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QObject::connect(ui_->covers, &GroupedIconView::doubleClicked, this, &AlbumCoverSearcher::CoverDoubleClicked);
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new ForceScrollPerPixel(ui_->covers, this);
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ui_->buttonBox->button(QDialogButtonBox::Cancel)->setShortcut(QKeySequence::Close);
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}
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AlbumCoverSearcher::~AlbumCoverSearcher() {
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delete ui_;
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}
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void AlbumCoverSearcher::Init(AlbumCoverFetcher *fetcher) {
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fetcher_ = fetcher;
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QObject::connect(fetcher_, &AlbumCoverFetcher::SearchFinished, this, &AlbumCoverSearcher::SearchFinished, Qt::QueuedConnection);
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}
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AlbumCoverImageResult AlbumCoverSearcher::Exec(const QString &artist, const QString &album) {
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ui_->artist->setText(artist);
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ui_->album->setText(album);
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ui_->artist->setFocus();
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if (!artist.isEmpty() || !album.isEmpty()) {
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Search();
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}
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if (exec() == QDialog::Rejected) return AlbumCoverImageResult();
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QModelIndex selected = ui_->covers->currentIndex();
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if (!selected.isValid() || !selected.data(Role_ImageFetchFinished).toBool())
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return AlbumCoverImageResult();
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AlbumCoverImageResult result;
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result.image_data = selected.data(Role_ImageData).toByteArray();
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result.image = selected.data(Role_Image).value<QImage>();
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result.mime_type = Utilities::MimeTypeFromData(result.image_data);
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return result;
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}
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void AlbumCoverSearcher::Search() {
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model_->clear();
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cover_loading_tasks_.clear();
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if (ui_->album->isEnabled()) {
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id_ = fetcher_->SearchForCovers(ui_->artist->text(), ui_->album->text());
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ui_->search->setText(tr("Abort"));
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ui_->busy->show();
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ui_->artist->setEnabled(false);
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ui_->album->setEnabled(false);
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ui_->covers->setEnabled(false);
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}
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else {
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fetcher_->Clear();
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ui_->search->setText(tr("Search"));
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ui_->busy->hide();
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ui_->search->setEnabled(true);
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ui_->artist->setEnabled(true);
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ui_->album->setEnabled(true);
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ui_->covers->setEnabled(true);
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}
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}
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void AlbumCoverSearcher::SearchFinished(const quint64 id, const CoverProviderSearchResults &results) {
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if (id != id_) return;
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ui_->search->setEnabled(true);
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ui_->artist->setEnabled(true);
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ui_->album->setEnabled(true);
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ui_->covers->setEnabled(true);
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ui_->search->setText(tr("Search"));
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id_ = 0;
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for (const CoverProviderSearchResult &result : results) {
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if (result.image_url.isEmpty()) continue;
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AlbumCoverLoaderOptions cover_options(AlbumCoverLoaderOptions::Option::RawImageData | AlbumCoverLoaderOptions::Option::OriginalImage | AlbumCoverLoaderOptions::Option::ScaledImage | AlbumCoverLoaderOptions::Option::PadScaledImage);
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cover_options.desired_scaled_size = ui_->covers->iconSize(), ui_->covers->iconSize();
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quint64 new_id = app_->album_cover_loader()->LoadImageAsync(cover_options, false, result.image_url, QUrl(), false);
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QStandardItem *item = new QStandardItem;
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item->setIcon(no_cover_icon_);
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item->setText(result.artist + QStringLiteral(" - ") + result.album);
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item->setData(result.image_url, Role_ImageURL);
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item->setData(new_id, Role_ImageRequestId);
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item->setData(false, Role_ImageFetchFinished);
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item->setData(QVariant(Qt::AlignTop | Qt::AlignHCenter), Qt::TextAlignmentRole);
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item->setData(result.provider, GroupedIconView::Role_Group);
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model_->appendRow(item);
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cover_loading_tasks_[new_id] = item;
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}
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if (cover_loading_tasks_.isEmpty()) ui_->busy->hide();
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}
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void AlbumCoverSearcher::AlbumCoverLoaded(const quint64 id, const AlbumCoverLoaderResult &result) {
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if (!cover_loading_tasks_.contains(id)) return;
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QStandardItem *item = cover_loading_tasks_.take(id);
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if (cover_loading_tasks_.isEmpty()) ui_->busy->hide();
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if (!result.success || result.album_cover.image_data.isNull() || result.album_cover.image.isNull() || result.image_scaled.isNull()) {
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model_->removeRow(item->row());
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return;
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}
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const QPixmap pixmap = QPixmap::fromImage(result.image_scaled);
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if (pixmap.isNull()) {
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model_->removeRow(item->row());
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return;
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}
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const QIcon icon(pixmap);
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item->setData(true, Role_ImageFetchFinished);
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item->setData(result.album_cover.image_data, Role_ImageData);
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item->setData(result.album_cover.image, Role_Image);
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item->setData(result.album_cover.image.width() * result.album_cover.image.height(), Role_ImageDimensions);
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item->setData(result.album_cover.image.size(), Role_ImageSize);
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if (!icon.isNull()) item->setIcon(icon);
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}
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void AlbumCoverSearcher::keyPressEvent(QKeyEvent *e) {
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if (e->key() == Qt::Key_Enter || e->key() == Qt::Key_Return) {
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e->ignore();
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return;
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}
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QDialog::keyPressEvent(e);
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}
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void AlbumCoverSearcher::CoverDoubleClicked(const QModelIndex &idx) {
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if (idx.isValid()) accept();
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}
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