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Clementine-audio-player-Mac.../src/ui/albumcovermanager.cpp

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/* This file is part of Clementine.
Copyright 2010, David Sansome <me@davidsansome.com>
Clementine is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Clementine is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#include "albumcovermanager.h"
#include "albumcoversearcher.h"
#include "iconloader.h"
#include "ui_albumcovermanager.h"
#include "core/utilities.h"
#include "covers/albumcoverfetcher.h"
#include "covers/coverproviders.h"
#include "covers/coversearchstatisticsdialog.h"
#include "library/librarybackend.h"
#include "library/libraryquery.h"
#include "library/sqlrow.h"
#include "playlist/songmimedata.h"
#include "widgets/forcescrollperpixel.h"
#include "widgets/maclineedit.h"
#include "ui/albumcoverchoicecontroller.h"
#include <QActionGroup>
#include <QContextMenuEvent>
#include <QEvent>
#include <QFileDialog>
#include <QKeySequence>
#include <QLabel>
#include <QListWidget>
#include <QMenu>
#include <QMessageBox>
#include <QPainter>
#include <QProgressBar>
#include <QSettings>
#include <QShortcut>
#include <QTimer>
const char* AlbumCoverManager::kSettingsGroup = "CoverManager";
AlbumCoverManager::AlbumCoverManager(LibraryBackend* backend, QWidget* parent,
QNetworkAccessManager* network)
: QMainWindow(parent),
ui_(new Ui_CoverManager),
album_cover_choice_controller_(new AlbumCoverChoiceController(this)),
backend_(backend),
cover_loader_(new BackgroundThreadImplementation<AlbumCoverLoader, AlbumCoverLoader>(this)),
cover_fetcher_(new AlbumCoverFetcher(this, network)),
cover_searcher_(NULL),
artist_icon_(IconLoader::Load("x-clementine-artist")),
all_artists_icon_(IconLoader::Load("x-clementine-album")),
context_menu_(new QMenu(this)),
progress_bar_(new QProgressBar(this)),
jobs_(0)
{
ui_->setupUi(this);
ui_->albums->set_cover_manager(this);
// Icons
ui_->action_fetch->setIcon(IconLoader::Load("download"));
ui_->view->setIcon(IconLoader::Load("view-choose"));
ui_->fetch->setIcon(IconLoader::Load("download"));
ui_->action_add_to_playlist->setIcon(IconLoader::Load("media-playback-start"));
ui_->action_load->setIcon(IconLoader::Load("media-playback-start"));
album_cover_choice_controller_->SetLibrary(backend_);
// Get a square version of nocover.png
QImage nocover(":/nocover.png");
nocover = nocover.scaled(120, 120, Qt::KeepAspectRatio, Qt::SmoothTransformation);
QImage square_nocover(120, 120, QImage::Format_ARGB32);
square_nocover.fill(0);
QPainter p(&square_nocover);
p.setOpacity(0.4);
p.drawImage((120 - nocover.width()) / 2, (120 - nocover.height()) / 2, nocover);
p.end();
no_cover_icon_ = QPixmap::fromImage(square_nocover);
cover_searcher_ = new AlbumCoverSearcher(no_cover_icon_, this);
// Set up the status bar
statusBar()->addPermanentWidget(progress_bar_);
progress_bar_->hide();
ui_->albums->setAttribute(Qt::WA_MacShowFocusRect, false);
ui_->artists->setAttribute(Qt::WA_MacShowFocusRect, false);
QShortcut* close = new QShortcut(QKeySequence::Close, this);
connect(close, SIGNAL(activated()), SLOT(close()));
ResetFetchCoversButton();
}
AlbumCoverManager::~AlbumCoverManager() {
CancelRequests();
delete ui_;
}
void AlbumCoverManager::Init() {
// View menu
QActionGroup* filter_group = new QActionGroup(this);
filter_all_ = filter_group->addAction(tr("All albums"));
filter_with_covers_ = filter_group->addAction(tr("Albums with covers"));
filter_without_covers_ = filter_group->addAction(tr("Albums without covers"));
filter_all_->setCheckable(true);
filter_with_covers_->setCheckable(true);
filter_without_covers_->setCheckable(true);
filter_group->setExclusive(true);
filter_all_->setChecked(true);
QMenu* view_menu = new QMenu(this);
view_menu->addActions(filter_group->actions());
ui_->view->setMenu(view_menu);
// Context menu
QList<QAction*> actions = album_cover_choice_controller_->GetAllActions();
connect(album_cover_choice_controller_->cover_from_file_action(),
SIGNAL(triggered()), this, SLOT(LoadCoverFromFile()));
connect(album_cover_choice_controller_->cover_to_file_action(),
SIGNAL(triggered()), this, SLOT(SaveCoverToFile()));
connect(album_cover_choice_controller_->cover_from_url_action(),
SIGNAL(triggered()), this, SLOT(LoadCoverFromURL()));
connect(album_cover_choice_controller_->search_for_cover_action(),
SIGNAL(triggered()), this, SLOT(SearchForCover()));
connect(album_cover_choice_controller_->unset_cover_action(),
SIGNAL(triggered()), this, SLOT(UnsetCover()));
connect(album_cover_choice_controller_->show_cover_action(),
SIGNAL(triggered()), this, SLOT(ShowCover()));
context_menu_->addActions(actions);
context_menu_->addSeparator();
context_menu_->addAction(ui_->action_load);
context_menu_->addAction(ui_->action_add_to_playlist);
ui_->albums->installEventFilter(this);
// Connections
connect(ui_->artists, SIGNAL(currentItemChanged(QListWidgetItem*,QListWidgetItem*)),
SLOT(ArtistChanged(QListWidgetItem*)));
connect(ui_->filter, SIGNAL(textChanged(QString)), SLOT(UpdateFilter()));
connect(filter_group, SIGNAL(triggered(QAction*)), SLOT(UpdateFilter()));
connect(ui_->view, SIGNAL(clicked()), ui_->view, SLOT(showMenu()));
connect(ui_->fetch, SIGNAL(clicked()), SLOT(FetchAlbumCovers()));
connect(cover_fetcher_, SIGNAL(AlbumCoverFetched(quint64,QImage,CoverSearchStatistics)),
SLOT(AlbumCoverFetched(quint64,QImage,CoverSearchStatistics)));
connect(ui_->action_fetch, SIGNAL(triggered()), SLOT(FetchSingleCover()));
connect(ui_->albums, SIGNAL(doubleClicked(QModelIndex)), SLOT(AlbumDoubleClicked(QModelIndex)));
connect(ui_->action_add_to_playlist, SIGNAL(triggered()), SLOT(AddSelectedToPlaylist()));
connect(ui_->action_load, SIGNAL(triggered()), SLOT(LoadSelectedToPlaylist()));
#ifdef Q_OS_DARWIN
MacLineEdit* lineedit = new MacLineEdit(ui_->filter->parentWidget());
lineedit->set_hint(ui_->filter->hint());
delete ui_->filter;
ui_->horizontalLayout->insertWidget(0, lineedit);
filter_ = lineedit;
connect(lineedit, SIGNAL(textChanged(QString)), SLOT(UpdateFilter()));
lineedit->show();
#else
filter_ = ui_->filter;
#endif
// Restore settings
QSettings s;
s.beginGroup(kSettingsGroup);
restoreGeometry(s.value("geometry").toByteArray());
if (!ui_->splitter->restoreState(s.value("splitter_state").toByteArray())) {
// Sensible default size for the artists view
ui_->splitter->setSizes(QList<int>() << 200 << width() - 200);
}
cover_loader_->Start(true);
CoverLoaderInitialised();
cover_searcher_->Init(cover_fetcher_);
new ForceScrollPerPixel(ui_->albums, this);
}
void AlbumCoverManager::CoverLoaderInitialised() {
cover_loader_->Worker()->SetDefaultOutputImage(QImage());
connect(cover_loader_->Worker().get(), SIGNAL(ImageLoaded(quint64,QImage)),
SLOT(CoverImageLoaded(quint64,QImage)));
}
void AlbumCoverManager::showEvent(QShowEvent *) {
Reset();
}
void AlbumCoverManager::closeEvent(QCloseEvent* e) {
if (!cover_fetching_tasks_.isEmpty()) {
boost::scoped_ptr<QMessageBox> message_box(new QMessageBox(
QMessageBox::Question, tr("Really cancel?"),
tr("Closing this window will stop searching for album covers."),
QMessageBox::Abort, this));
message_box->addButton(tr("Don't stop!"), QMessageBox::AcceptRole);
if (message_box->exec() != QMessageBox::Abort) {
e->ignore();
return;
}
}
// Save geometry
QSettings s;
s.beginGroup(kSettingsGroup);
s.setValue("geometry", saveGeometry());
s.setValue("splitter_state", ui_->splitter->saveState());
// Cancel any outstanding requests
CancelRequests();
}
void AlbumCoverManager::CancelRequests() {
cover_loading_tasks_.clear();
if (cover_loader_ && cover_loader_->Worker()) {
cover_loader_->Worker()->Clear();
}
cover_fetching_tasks_.clear();
cover_fetcher_->Clear();
progress_bar_->hide();
statusBar()->clearMessage();
ResetFetchCoversButton();
}
void AlbumCoverManager::Reset() {
ResetFetchCoversButton();
if (!backend_)
return;
ui_->artists->clear();
new QListWidgetItem(all_artists_icon_, tr("All artists"), ui_->artists, All_Artists);
new QListWidgetItem(artist_icon_, tr("Various artists"), ui_->artists, Various_Artists);
foreach (const QString& artist, backend_->GetAllArtistsWithAlbums()) {
if (artist.isEmpty())
continue;
new QListWidgetItem(artist_icon_, artist, ui_->artists, Specific_Artist);
}
}
void AlbumCoverManager::ResetFetchCoversButton() {
ui_->fetch->setEnabled(CoverProviders::instance().HasAnyProviders());
}
void AlbumCoverManager::ArtistChanged(QListWidgetItem* current) {
if (!backend_ || !cover_loader_->Worker())
return;
if (!current)
return;
QString artist;
if (current->type() == Specific_Artist)
artist = current->text();
ui_->albums->clear();
context_menu_items_.clear();
CancelRequests();
// Get the list of albums. How we do it depends on what thing we have
// selected in the artist list.
LibraryBackend::AlbumList albums;
switch (current->type()) {
case Various_Artists: albums = backend_->GetCompilationAlbums(); break;
case Specific_Artist: albums = backend_->GetAlbumsByArtist(current->text()); break;
case All_Artists:
default: albums = backend_->GetAllAlbums(); break;
}
foreach (const LibraryBackend::Album& info, albums) {
// Don't show songs without an album, obviously
if (info.album_name.isEmpty())
continue;
QListWidgetItem* item = new QListWidgetItem(no_cover_icon_, info.album_name, ui_->albums);
item->setData(Role_ArtistName, info.artist);
item->setData(Role_AlbumName, info.album_name);
item->setData(Role_FirstUrl, info.first_url);
item->setData(Qt::TextAlignmentRole, QVariant(Qt::AlignTop | Qt::AlignHCenter));
item->setFlags(Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled);
item->setToolTip(info.artist + " - " + info.album_name);
if (!info.art_automatic.isEmpty() || !info.art_manual.isEmpty()) {
quint64 id = cover_loader_->Worker()->LoadImageAsync(
info.art_automatic, info.art_manual, info.first_url.toLocalFile());
item->setData(Role_PathAutomatic, info.art_automatic);
item->setData(Role_PathManual, info.art_manual);
cover_loading_tasks_[id] = item;
}
}
UpdateFilter();
}
void AlbumCoverManager::CoverImageLoaded(quint64 id, const QImage &image) {
if (!cover_loading_tasks_.contains(id))
return;
QListWidgetItem* item = cover_loading_tasks_.take(id);
if (image.isNull())
return;
item->setIcon(QPixmap::fromImage(image));
UpdateFilter();
}
void AlbumCoverManager::UpdateFilter() {
const QString filter = filter_->text().toLower();
const bool hide_with_covers = filter_without_covers_->isChecked();
const bool hide_without_covers = filter_with_covers_->isChecked();
HideCovers hide = Hide_None;
if (hide_with_covers) {
hide = Hide_WithCovers;
} else if (hide_without_covers) {
hide = Hide_WithoutCovers;
}
for (int i = 0; i < ui_->albums->count(); ++i) {
QListWidgetItem* item = ui_->albums->item(i);
item->setHidden(ShouldHide(*item, filter, hide));
}
}
bool AlbumCoverManager::ShouldHide(
const QListWidgetItem& item, const QString& filter, HideCovers hide) const {
bool has_cover = item.icon().cacheKey() != no_cover_icon_.cacheKey();
if (hide == Hide_WithCovers && has_cover) {
return true;
} else if (hide == Hide_WithoutCovers && !has_cover) {
return true;
}
if (filter.isEmpty()) {
return false;
}
QStringList query = filter.split(' ');
foreach (const QString& s, query) {
if (!item.text().contains(s, Qt::CaseInsensitive)
&& !item.data(Role_ArtistName).toString().contains(s, Qt::CaseInsensitive)) {
return true;
}
}
return false;
}
void AlbumCoverManager::FetchAlbumCovers() {
for (int i=0 ; i<ui_->albums->count() ; ++i) {
QListWidgetItem* item = ui_->albums->item(i);
if (item->isHidden())
continue;
if (item->icon().cacheKey() != no_cover_icon_.cacheKey())
continue;
quint64 id = cover_fetcher_->FetchAlbumCover(
item->data(Role_ArtistName).toString(), item->data(Role_AlbumName).toString());
cover_fetching_tasks_[id] = item;
jobs_ ++;
}
if (!cover_fetching_tasks_.isEmpty())
ui_->fetch->setEnabled(false);
progress_bar_->setMaximum(jobs_);
progress_bar_->show();
fetch_statistics_ = CoverSearchStatistics();
UpdateStatusText();
}
void AlbumCoverManager::AlbumCoverFetched(quint64 id, const QImage& image,
const CoverSearchStatistics& statistics) {
if (!cover_fetching_tasks_.contains(id))
return;
QListWidgetItem* item = cover_fetching_tasks_.take(id);
if (!image.isNull()) {
SaveAndSetCover(item, image);
}
if (cover_fetching_tasks_.isEmpty()) {
ResetFetchCoversButton();
}
fetch_statistics_ += statistics;
UpdateStatusText();
}
void AlbumCoverManager::UpdateStatusText() {
QString message = tr("Got %1 covers out of %2 (%3 failed)")
.arg(fetch_statistics_.chosen_images_)
.arg(jobs_)
.arg(fetch_statistics_.missing_images_);
if (fetch_statistics_.bytes_transferred_) {
message += ", " + tr("%1 transferred")
.arg(Utilities::PrettySize(fetch_statistics_.bytes_transferred_));
}
statusBar()->showMessage(message);
progress_bar_->setValue(fetch_statistics_.chosen_images_ +
fetch_statistics_.missing_images_);
if (cover_fetching_tasks_.isEmpty()) {
QTimer::singleShot(2000, statusBar(), SLOT(clearMessage()));
progress_bar_->hide();
CoverSearchStatisticsDialog* dialog = new CoverSearchStatisticsDialog(this);
dialog->setAttribute(Qt::WA_DeleteOnClose);
dialog->Show(fetch_statistics_);
jobs_ = 0;
}
}
bool AlbumCoverManager::eventFilter(QObject *obj, QEvent *event) {
if (obj == ui_->albums && event->type() == QEvent::ContextMenu) {
context_menu_items_ = ui_->albums->selectedItems();
if (context_menu_items_.isEmpty())
return false;
bool some_with_covers = false;
foreach (QListWidgetItem* item, context_menu_items_) {
if (item->icon().cacheKey() != no_cover_icon_.cacheKey())
some_with_covers = true;
}
album_cover_choice_controller_->cover_from_file_action()->setEnabled(context_menu_items_.size() == 1);
album_cover_choice_controller_->cover_from_url_action()->setEnabled(context_menu_items_.size() == 1);
album_cover_choice_controller_->show_cover_action()->setEnabled(some_with_covers && context_menu_items_.size() == 1);
album_cover_choice_controller_->unset_cover_action()->setEnabled(some_with_covers);
album_cover_choice_controller_->search_for_cover_action()->setEnabled(CoverProviders::instance().HasAnyProviders());
QContextMenuEvent* e = static_cast<QContextMenuEvent*>(event);
context_menu_->popup(e->globalPos());
return true;
}
return QMainWindow::eventFilter(obj, event);
}
Song AlbumCoverManager::GetSingleSelectionAsSong() {
return context_menu_items_.size() != 1
? Song()
: ItemAsSong(context_menu_items_[0]);
}
Song AlbumCoverManager::GetFirstSelectedAsSong() {
return context_menu_items_.isEmpty()
? Song()
: ItemAsSong(context_menu_items_[0]);
}
Song AlbumCoverManager::ItemAsSong(QListWidgetItem* item) {
Song result;
QString title = item->data(Role_AlbumName).toString();
if (!item->data(Role_ArtistName).toString().isNull())
result.set_title(item->data(Role_ArtistName).toString() + " - " + title);
else
result.set_title(title);
result.set_artist(item->data(Role_ArtistName).toString());
result.set_album(item->data(Role_AlbumName).toString());
result.set_url(item->data(Role_FirstUrl).toUrl());
result.set_art_automatic(item->data(Role_PathAutomatic).toString());
result.set_art_manual(item->data(Role_PathManual).toString());
// force validity
result.set_valid(true);
result.set_id(0);
return result;
}
void AlbumCoverManager::ShowCover() {
Song song = GetSingleSelectionAsSong();
if(!song.is_valid())
return;
album_cover_choice_controller_->ShowCover(song);
}
void AlbumCoverManager::FetchSingleCover() {
foreach (QListWidgetItem* item, context_menu_items_) {
quint64 id = cover_fetcher_->FetchAlbumCover(
item->data(Role_ArtistName).toString(), item->data(Role_AlbumName).toString());
cover_fetching_tasks_[id] = item;
jobs_ ++;
}
progress_bar_->setMaximum(jobs_);
progress_bar_->show();
UpdateStatusText();
}
void AlbumCoverManager::UpdateCoverInList(QListWidgetItem* item, const QString& cover) {
quint64 id = cover_loader_->Worker()->LoadImageAsync(QString(), cover);
item->setData(Role_PathManual, cover);
cover_loading_tasks_[id] = item;
}
void AlbumCoverManager::LoadCoverFromFile() {
Song song = GetSingleSelectionAsSong();
if(!song.is_valid())
return;
QListWidgetItem* item = context_menu_items_[0];
QString cover = album_cover_choice_controller_->LoadCoverFromFile(&song);
if (!cover.isEmpty()) {
UpdateCoverInList(item, cover);
}
}
void AlbumCoverManager::SaveCoverToFile() {
Song song = GetSingleSelectionAsSong();
if(!song.is_valid())
return;
QImage image;
// load the image from disk
if(song.has_manually_unset_cover()) {
image = QImage(":/nocover.png");
} else {
if(!song.art_manual().isEmpty() && QFile::exists(song.art_manual())) {
image = QImage(song.art_manual());
} else if(!song.art_automatic().isEmpty() && QFile::exists(song.art_automatic())) {
image = QImage(song.art_automatic());
} else {
image = QImage(":/nocover.png");
}
}
album_cover_choice_controller_->SaveCoverToFile(song, image);
}
void AlbumCoverManager::LoadCoverFromURL() {
Song song = GetSingleSelectionAsSong();
if(!song.is_valid())
return;
QListWidgetItem* item = context_menu_items_[0];
QString cover = album_cover_choice_controller_->LoadCoverFromURL(&song);
if (!cover.isEmpty()) {
UpdateCoverInList(item, cover);
}
}
void AlbumCoverManager::SearchForCover() {
Song song = GetFirstSelectedAsSong();
if(!song.is_valid())
return;
QListWidgetItem* item = context_menu_items_[0];
QString cover = album_cover_choice_controller_->SearchForCover(&song);
if (cover.isEmpty())
return;
// force the found cover on all of the selected items
foreach (QListWidgetItem* current, context_menu_items_) {
// don't save the first one twice
if(current != item) {
Song current_song = ItemAsSong(current);
album_cover_choice_controller_->SaveCover(&current_song, cover);
}
UpdateCoverInList(current, cover);
}
}
void AlbumCoverManager::UnsetCover() {
Song song = GetFirstSelectedAsSong();
if(!song.is_valid())
return;
QListWidgetItem* item = context_menu_items_[0];
QString cover = album_cover_choice_controller_->UnsetCover(&song);
// force the 'none' cover on all of the selected items
foreach (QListWidgetItem* current, context_menu_items_) {
current->setIcon(no_cover_icon_);
current->setData(Role_PathManual, cover);
// don't save the first one twice
if(current != item) {
Song current_song = ItemAsSong(current);
album_cover_choice_controller_->SaveCover(&current_song, cover);
}
}
}
SongList AlbumCoverManager::GetSongsInAlbum(const QModelIndex& index) const {
SongList ret;
LibraryQuery q;
q.SetColumnSpec("ROWID," + Song::kColumnSpec);
q.AddWhere("album", index.data(Role_AlbumName).toString());
q.SetOrderBy("disc, track, title");
QString artist = index.data(Role_ArtistName).toString();
q.AddCompilationRequirement(artist.isEmpty());
if (!artist.isEmpty())
q.AddWhere("artist", artist);
if (!backend_->ExecQuery(&q))
return ret;
while (q.Next()) {
Song song;
song.InitFromQuery(q, true);
ret << song;
}
return ret;
}
SongList AlbumCoverManager::GetSongsInAlbums(const QModelIndexList& indexes) const {
SongList ret;
foreach (const QModelIndex& index, indexes) {
ret << GetSongsInAlbum(index);
}
return ret;
}
SongMimeData* AlbumCoverManager::GetMimeDataForAlbums(const QModelIndexList& indexes) const {
SongList songs = GetSongsInAlbums(indexes);
if (songs.isEmpty())
return NULL;
SongMimeData* data = new SongMimeData;
data->backend = backend_;
data->songs = songs;
return data;
}
void AlbumCoverManager::AlbumDoubleClicked(const QModelIndex &index) {
SongMimeData* data = GetMimeDataForAlbums(QModelIndexList() << index);
if (data) {
data->from_doubleclick_ = true;
emit AddToPlaylist(data);
}
}
void AlbumCoverManager::AddSelectedToPlaylist() {
emit AddToPlaylist(GetMimeDataForAlbums(ui_->albums->selectionModel()->selectedIndexes()));
}
void AlbumCoverManager::LoadSelectedToPlaylist() {
SongMimeData* data = GetMimeDataForAlbums(ui_->albums->selectionModel()->selectedIndexes());
if (data) {
data->clear_first_ = true;
emit AddToPlaylist(data);
}
}
void AlbumCoverManager::SaveAndSetCover(QListWidgetItem *item, const QImage &image) {
const QString artist = item->data(Role_ArtistName).toString();
const QString album = item->data(Role_AlbumName).toString();
QString path = album_cover_choice_controller_->SaveCoverInCache(artist, album, image);
// Save the image in the database
backend_->UpdateManualAlbumArtAsync(artist, album, path);
// Update the icon in our list
quint64 id = cover_loader_->Worker()->LoadImageAsync(QString(), path);
item->setData(Role_PathManual, path);
cover_loading_tasks_[id] = item;
}
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