283 lines
8.0 KiB
C++
283 lines
8.0 KiB
C++
/*
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* Strawberry Music Player
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* Copyright 2020-2022, 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 <memory>
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#include <QtGlobal>
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#include <QObject>
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#include <QWidget>
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#include <QByteArray>
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#include <QImage>
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#include <QPixmap>
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#include <QPalette>
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#include <QBrush>
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#include <QMovie>
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#include <QTimeLine>
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#include <QPainter>
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#include <QSizePolicy>
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#include <QMenu>
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#include <QContextMenuEvent>
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#include <QPaintEvent>
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#include "core/shared_ptr.h"
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#include "utilities/imageutils.h"
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#include "covermanager/albumcoverchoicecontroller.h"
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#include "contextview.h"
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#include "contextalbum.h"
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using std::make_unique;
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using std::make_shared;
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const int ContextAlbum::kFadeTimeLineMs = 1000;
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ContextAlbum::ContextAlbum(QWidget *parent)
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: QWidget(parent),
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menu_(new QMenu(this)),
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context_view_(nullptr),
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album_cover_choice_controller_(nullptr),
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downloading_covers_(false),
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timeline_fade_(new QTimeLine(kFadeTimeLineMs, this)),
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image_strawberry_(":/pictures/strawberry.png"),
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image_original_(image_strawberry_),
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pixmap_current_opacity_(1.0),
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desired_height_(width()) {
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setObjectName("context-widget-album");
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setSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed);
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QImage image = ImageUtils::ScaleImage(image_strawberry_, QSize(desired_height_, desired_height_), devicePixelRatioF(), true);
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if (!image.isNull()) {
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pixmap_current_ = QPixmap::fromImage(image);
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}
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timeline_fade_->setDirection(QTimeLine::Forward);
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QObject::connect(timeline_fade_, &QTimeLine::valueChanged, this, &ContextAlbum::FadeCurrentCover);
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QObject::connect(timeline_fade_, &QTimeLine::finished, this, &ContextAlbum::FadeCurrentCoverFinished);
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}
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void ContextAlbum::Init(ContextView *context_view, AlbumCoverChoiceController *album_cover_choice_controller) {
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context_view_ = context_view;
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album_cover_choice_controller_ = album_cover_choice_controller;
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QObject::connect(album_cover_choice_controller_, &AlbumCoverChoiceController::AutomaticCoverSearchDone, this, &ContextAlbum::AutomaticCoverSearchDone);
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QList<QAction*> cover_actions = album_cover_choice_controller_->GetAllActions();
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menu_->addActions(cover_actions);
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menu_->addSeparator();
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menu_->addAction(album_cover_choice_controller_->search_cover_auto_action());
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menu_->addSeparator();
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}
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QSize ContextAlbum::sizeHint() const {
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return QSize(static_cast<int>(pixmap_current_.width() / devicePixelRatioF()), static_cast<int>(pixmap_current_.height() / devicePixelRatioF()));
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}
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void ContextAlbum::paintEvent(QPaintEvent*) {
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QPainter p(this);
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p.setRenderHint(QPainter::SmoothPixmapTransform);
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DrawPreviousCovers(&p);
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DrawImage(&p, pixmap_current_, pixmap_current_opacity_);
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DrawSpinner(&p);
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p.end();
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}
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void ContextAlbum::mouseDoubleClickEvent(QMouseEvent *e) {
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// Same behaviour as right-click > Show Fullsize
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if (image_original_ != image_strawberry_ && e->button() == Qt::LeftButton && context_view_->song_playing().is_valid()) {
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album_cover_choice_controller_->ShowCover(context_view_->song_playing(), image_original_);
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}
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}
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void ContextAlbum::contextMenuEvent(QContextMenuEvent *e) {
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if (menu_ && image_original_ != image_strawberry_) {
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menu_->popup(mapToGlobal(e->pos()));
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}
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else {
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QWidget::contextMenuEvent(e);
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}
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}
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void ContextAlbum::UpdateWidth(const int new_width) {
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if (new_width != desired_height_) {
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desired_height_ = new_width;
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ScaleCover();
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ScalePreviousCovers();
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updateGeometry();
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}
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}
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void ContextAlbum::SetImage(QImage image) {
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if (image.isNull()) {
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image = image_strawberry_;
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}
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if (downloading_covers_) {
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downloading_covers_ = false;
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spinner_animation_.reset();
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}
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QImage image_previous = image_original_;
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QPixmap pixmap_previous = pixmap_current_;
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qreal opacity_previous = pixmap_current_opacity_;
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image_original_ = image;
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pixmap_current_opacity_ = 0.0;
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ScaleCover();
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if (!pixmap_previous.isNull()) {
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SharedPtr<PreviousCover> previous_cover = make_shared<PreviousCover>();
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previous_cover->image = image_previous;
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previous_cover->pixmap = pixmap_previous;
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previous_cover->opacity = opacity_previous;
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previous_cover->timeline.reset(new QTimeLine(kFadeTimeLineMs), [](QTimeLine *timeline) { timeline->deleteLater(); });
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previous_cover->timeline->setDirection(QTimeLine::Backward);
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previous_cover->timeline->setCurrentTime(timeline_fade_->state() == QTimeLine::Running ? timeline_fade_->currentTime() : kFadeTimeLineMs);
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QObject::connect(&*previous_cover->timeline, &QTimeLine::valueChanged, this, [this, previous_cover]() { FadePreviousCover(previous_cover); });
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QObject::connect(&*previous_cover->timeline, &QTimeLine::finished, this, [this, previous_cover]() { FadePreviousCoverFinished(previous_cover); });
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previous_covers_ << previous_cover;
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previous_cover->timeline->start();
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}
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if (timeline_fade_->state() == QTimeLine::Running) {
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timeline_fade_->stop();
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}
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timeline_fade_->start();
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}
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void ContextAlbum::DrawImage(QPainter *p, const QPixmap &pixmap, const qreal opacity) {
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if (qFuzzyCompare(opacity, static_cast<qreal>(0.0))) return;
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p->setOpacity(opacity);
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p->drawPixmap(0, 0, static_cast<int>(pixmap.width() / pixmap.devicePixelRatioF()), static_cast<int>(pixmap.height() / pixmap.devicePixelRatioF()), pixmap);
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}
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void ContextAlbum::DrawSpinner(QPainter *p) {
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if (downloading_covers_) {
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p->drawPixmap(50, 50, 16, 16, spinner_animation_->currentPixmap());
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}
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}
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void ContextAlbum::DrawPreviousCovers(QPainter *p) {
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for (SharedPtr<PreviousCover> previous_cover : previous_covers_) {
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DrawImage(p, previous_cover->pixmap, previous_cover->opacity);
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}
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}
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void ContextAlbum::FadeCurrentCover(const qreal value) {
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if (value <= pixmap_current_opacity_) return;
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pixmap_current_opacity_ = value;
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update();
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}
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void ContextAlbum::FadeCurrentCoverFinished() {
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if (image_original_ == image_strawberry_) {
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emit FadeStopFinished();
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}
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}
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void ContextAlbum::FadePreviousCover(SharedPtr<PreviousCover> previous_cover) {
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if (previous_cover->timeline->currentValue() >= previous_cover->opacity) return;
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previous_cover->opacity = previous_cover->timeline->currentValue();
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}
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void ContextAlbum::FadePreviousCoverFinished(SharedPtr<PreviousCover> previous_cover) {
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previous_covers_.removeAll(previous_cover);
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}
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void ContextAlbum::ScaleCover() {
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const QImage image = ImageUtils::ScaleImage(image_original_, QSize(desired_height_, desired_height_), devicePixelRatioF(), true);
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if (image.isNull()) {
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pixmap_current_ = QPixmap();
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}
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else {
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pixmap_current_ = QPixmap::fromImage(image);
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}
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}
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void ContextAlbum::ScalePreviousCovers() {
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for (SharedPtr<PreviousCover> previous_cover : previous_covers_) {
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QImage image = ImageUtils::ScaleImage(previous_cover->image, QSize(desired_height_, desired_height_), devicePixelRatioF(), true);
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if (image.isNull()) {
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previous_cover->pixmap = QPixmap();
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}
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else {
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previous_cover->pixmap = QPixmap::fromImage(image);
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}
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}
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}
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void ContextAlbum::SearchCoverInProgress() {
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downloading_covers_ = true;
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// Show a spinner animation
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spinner_animation_ = make_unique<QMovie>(":/pictures/spinner.gif", QByteArray(), this);
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QObject::connect(&*spinner_animation_, &QMovie::updated, this, &ContextAlbum::Update);
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spinner_animation_->start();
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update();
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}
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void ContextAlbum::AutomaticCoverSearchDone() {
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downloading_covers_ = false;
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spinner_animation_.reset();
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update();
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}
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