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cantata/models/onlineservicesmodel.cpp
craig.p.drummond ac3345c65c Better thread termination
2013-01-30 19:16:03 +00:00

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/*
* Cantata
*
* Copyright (c) 2011-2013 Craig Drummond <craig.p.drummond@gmail.com>
*
* ----
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include "musiclibraryitemalbum.h"
#include "musiclibraryitemartist.h"
#include "musiclibraryitemsong.h"
#include "musiclibraryitemroot.h"
#include "musiclibrarymodel.h"
#include "dirviewmodel.h"
#include "onlineservicesmodel.h"
#include "onlineservice.h"
#include "onlinedevice.h"
#include "jamendoservice.h"
#include "magnatuneservice.h"
#include "playqueuemodel.h"
#include "itemview.h"
#include "mpdparseutils.h"
#include "localize.h"
#include "icons.h"
#include "settings.h"
#include "filejob.h"
#include "utils.h"
#include "covers.h"
#include <QMenu>
#include <QStringList>
#include <QMimeData>
#include <QFile>
#include <QDir>
#ifdef ENABLE_KDE_SUPPORT
#include <KDE/KGlobal>
K_GLOBAL_STATIC(OnlineServicesModel, instance)
#endif
QString OnlineServicesModel::constUdiPrefix("online-service://");
OnlineServicesModel * OnlineServicesModel::self()
{
#ifdef ENABLE_KDE_SUPPORT
return instance;
#else
static OnlineServicesModel *instance=0;
if(!instance) {
instance=new OnlineServicesModel;
}
return instance;
#endif
}
OnlineServicesModel::OnlineServicesModel(QObject *parent)
: QAbstractItemModel(parent)
, enabled(false)
, dev(0)
{
}
OnlineServicesModel::~OnlineServicesModel()
{
qDeleteAll(services);
}
QModelIndex OnlineServicesModel::index(int row, int column, const QModelIndex &parent) const
{
if (!hasIndex(row, column, parent)) {
return QModelIndex();
}
if (parent.isValid()) {
MusicLibraryItem *p=static_cast<MusicLibraryItem *>(parent.internalPointer());
if (p) {
return row<p->childCount() ? createIndex(row, column, p->childItem(row)) : QModelIndex();
}
} else {
return row<services.count() ? createIndex(row, column, services.at(row)) : QModelIndex();
}
return QModelIndex();
}
QModelIndex OnlineServicesModel::parent(const QModelIndex &index) const
{
if (!index.isValid()) {
return QModelIndex();
}
MusicLibraryItem *childItem = static_cast<MusicLibraryItem *>(index.internalPointer());
MusicLibraryItem *parentItem = childItem->parentItem();
if (parentItem) {
return createIndex(parentItem->parentItem() ? parentItem->row() : services.indexOf(static_cast<OnlineService *>(parentItem)), 0, parentItem);
} else {
return QModelIndex();
}
}
QVariant OnlineServicesModel::headerData(int /*section*/, Qt::Orientation /*orientation*/, int /*role*/) const
{
return QVariant();
}
int OnlineServicesModel::rowCount(const QModelIndex &parent) const
{
if (parent.column() > 0) {
return 0;
}
return parent.isValid() ? static_cast<MusicLibraryItem *>(parent.internalPointer())->childCount() : services.count();
}
int OnlineServicesModel::columnCount(const QModelIndex &parent) const
{
Q_UNUSED(parent)
return 1;
}
QVariant OnlineServicesModel::data(const QModelIndex &index, int role) const
{
if (!index.isValid()) {
return QVariant();
}
MusicLibraryItem *item = static_cast<MusicLibraryItem *>(index.internalPointer());
switch (role) {
case Qt::DecorationRole:
switch (item->itemType()) {
case MusicLibraryItem::Type_Root: {
return static_cast<OnlineService *>(item)->serviceIcon();
}
case MusicLibraryItem::Type_Artist: {
MusicLibraryItemArtist *artist = static_cast<MusicLibraryItemArtist *>(item);
return artist->isVarious() ? Icons::variousArtistsIcon : Icons::artistIcon;
}
case MusicLibraryItem::Type_Album:
if (MusicLibraryItemAlbum::CoverNone==MusicLibraryItemAlbum::currentCoverSize()) {
return Icons::albumIcon;
} else {
return static_cast<MusicLibraryItemAlbum *>(item)->cover();
}
case MusicLibraryItem::Type_Song: return QIcon::fromTheme("audio-x-generic");
default: return QVariant();
}
case Qt::DisplayRole:
if (MusicLibraryItem::Type_Song==item->itemType()) {
MusicLibraryItemSong *song = static_cast<MusicLibraryItemSong *>(item);
if (static_cast<MusicLibraryItemAlbum *>(song->parentItem())->isSingleTracks()) {
return song->song().artistSong();
} else {
return song->song().trackAndTitleStr(static_cast<MusicLibraryItemArtist *>(song->parentItem()->parentItem())->isVarious() &&
!Song::isVariousArtists(song->song().artist));
}
} else if(MusicLibraryItem::Type_Album==item->itemType() && MusicLibraryItemAlbum::showDate() &&
static_cast<MusicLibraryItemAlbum *>(item)->year()>0) {
return QString::number(static_cast<MusicLibraryItemAlbum *>(item)->year())+QLatin1String(" - ")+item->data();
}
return item->data();
case Qt::ToolTipRole:
switch (item->itemType()) {
case MusicLibraryItem::Type_Root:
return 0==item->childCount()
? item->data()
: item->data()+"\n"+
#ifdef ENABLE_KDE_SUPPORT
i18np("1 Artist", "%1 Artists", item->childCount());
#else
QTP_ARTISTS_STR(item->childCount());
#endif
case MusicLibraryItem::Type_Artist:
return 0==item->childCount()
? item->data()
: item->data()+"\n"+
#ifdef ENABLE_KDE_SUPPORT
i18np("1 Album", "%1 Albums", item->childCount());
#else
QTP_ALBUMS_STR(item->childCount());
#endif
case MusicLibraryItem::Type_Album:
return 0==item->childCount()
? item->data()
: item->data()+"\n"+
#ifdef ENABLE_KDE_SUPPORT
i18np("1 Track (%2)", "%1 Tracks (%2)",item->childCount(), Song::formattedTime(static_cast<MusicLibraryItemAlbum *>(item)->totalTime()));
#else
QTP_TRACKS_DURATION_STR(item->childCount(), Song::formattedTime(static_cast<MusicLibraryItemAlbum *>(item)->totalTime()));
#endif
case MusicLibraryItem::Type_Song:
return data(index, Qt::DisplayRole).toString()+QLatin1String("<br/>")+Song::formattedTime(static_cast<MusicLibraryItemSong *>(item)->time())+
QLatin1String("<br/><small><i>")+static_cast<MusicLibraryItemSong *>(item)->song().file+QLatin1String("</i></small>");
default: return QVariant();
}
case ItemView::Role_ImageSize:
if (MusicLibraryItem::Type_Album==item->itemType()) {
return MusicLibraryItemAlbum::iconSize();
}
break;
case ItemView::Role_SubText:
switch (item->itemType()) {
case MusicLibraryItem::Type_Root: {
OnlineService *srv=static_cast<OnlineService *>(item);
if (!srv->isLoaded()) {
return i18n("Not Loaded");
}
#ifdef ENABLE_KDE_SUPPORT
return i18np("1 Artist", "%1 Artists", item->childCount());
#else
return QTP_ARTISTS_STR(item->childCount());
#endif
break;
}
case MusicLibraryItem::Type_Artist:
#ifdef ENABLE_KDE_SUPPORT
return i18np("1 Album", "%1 Albums", item->childCount());
#else
return QTP_ALBUMS_STR(item->childCount());
#endif
break;
case MusicLibraryItem::Type_Song:
return Song::formattedTime(static_cast<MusicLibraryItemSong *>(item)->time());
case MusicLibraryItem::Type_Album:
#ifdef ENABLE_KDE_SUPPORT
return i18np("1 Track (%2)", "%1 Tracks (%2)", item->childCount(), Song::formattedTime(static_cast<MusicLibraryItemAlbum *>(item)->totalTime()));
#else
return QTP_TRACKS_DURATION_STR(item->childCount(), Song::formattedTime(static_cast<MusicLibraryItemAlbum *>(item)->totalTime()));
#endif
default: return QVariant();
}
case ItemView::Role_Image:
if (MusicLibraryItem::Type_Album==item->itemType()) {
QVariant v;
v.setValue<QPixmap>(static_cast<MusicLibraryItemAlbum *>(item)->cover());
return v;
}
return QVariant();
case ItemView::Role_Capacity:
if (MusicLibraryItem::Type_Root==item->itemType()) {
return static_cast<OnlineService *>(item)->loadProgress();
}
return QVariant();
case ItemView::Role_CapacityText:
if (MusicLibraryItem::Type_Root==item->itemType()) {
return static_cast<OnlineService *>(item)->statusMessage();
}
return QVariant();
case ItemView::Role_ToggleIcon:
if (MusicLibraryItem::Type_Root==item->itemType()) {
return static_cast<OnlineService *>(item)->isLoaded() ? Icons::disconnectIcon : Icons::connectIcon;
}
return QVariant();
case ItemView::Role_ToggleToolTip:
if (MusicLibraryItem::Type_Root==item->itemType()) {
return static_cast<OnlineService *>(item)->isLoaded() ? i18n("Unload Music List") : i18n("Load Music List");
}
return QVariant();
default:
return QVariant();
}
return QVariant();
}
void OnlineServicesModel::clear()
{
QSet<QString> names;
foreach (OnlineService *srv, services) {
names.insert(srv->name());
}
foreach (const QString &n, names) {
removeService(n);
}
services.clear();
}
void OnlineServicesModel::setEnabled(bool e)
{
if (e==enabled) {
return;
}
bool wasEnabled=enabled;
enabled=e;
if (enabled) {
connect(Covers::self(), SIGNAL(artistImage(const Song &, const QImage &)),
this, SLOT(setArtistImage(const Song &, const QImage &)));
connect(Covers::self(), SIGNAL(cover(const Song &, const QImage &, const QString &)),
this, SLOT(setCover(const Song &, const QImage &, const QString &)));
load();
} else {
if (wasEnabled) {
stop();
}
clear();
}
}
void OnlineServicesModel::stop()
{
disconnect(Covers::self(), SIGNAL(artistImage(const Song &, const QImage &)),
this, SLOT(setArtistImage(const Song &, const QImage &)));
disconnect(Covers::self(), SIGNAL(cover(const Song &, const QImage &, const QString &)),
this, SLOT(setCover(const Song &, const QImage &, const QString &)));
foreach (OnlineService *srv, services) {
srv->stopLoader();
}
}
OnlineService * OnlineServicesModel::service(const QString &name)
{
int idx=indexOf(name);
return idx<0 ? 0 : services.at(idx);
}
void OnlineServicesModel::setArtistImage(const Song &song, const QImage &img)
{
if (img.isNull() || MusicLibraryItemAlbum::CoverNone==MusicLibraryItemAlbum::currentCoverSize() || !(song.file.startsWith("http:/") || song.name.startsWith("http:/"))) {
return;
}
for (int i=0; i<services.count() ; ++i) {
OnlineService *srv=services.at(i);
if (srv->useArtistImages()) {
MusicLibraryItemArtist *artistItem = srv->artist(song, false);
if (artistItem && static_cast<const MusicLibraryItemArtist *>(artistItem)->setCover(img)) {
QModelIndex idx=index(static_cast<MusicLibraryItemContainer *>(srv)->childItems().indexOf(artistItem), 0, index(i, 0, QModelIndex()));
emit dataChanged(idx, idx);
}
}
}
}
void OnlineServicesModel::setCover(const Song &song, const QImage &img, const QString &fileName)
{
Q_UNUSED(fileName)
if (img.isNull() || MusicLibraryItemAlbum::CoverNone==MusicLibraryItemAlbum::currentCoverSize() || !(song.file.startsWith("http:/") || song.name.startsWith("http:/"))) {
return;
}
for (int i=0; i<services.count() ; ++i) {
OnlineService *srv=services.at(i);
if (srv->useArtistImages()) {
MusicLibraryItemArtist *artistItem = static_cast<MusicLibraryItemRoot *>(srv)->artist(song, false);
if (artistItem) {
MusicLibraryItemAlbum *albumItem = artistItem->album(song, false);
if (albumItem) {
if (static_cast<const MusicLibraryItemAlbum *>(albumItem)->setCover(img)) {
QModelIndex idx=index(artistItem->childItems().indexOf(albumItem), 0, index(static_cast<MusicLibraryItemContainer *>(srv)->childItems().indexOf(artistItem), 0, index(i, 0, QModelIndex())));
emit dataChanged(idx, idx);
}
}
}
}
}
}
void OnlineServicesModel::updateGenres()
{
QSet<QString> newGenres;
foreach (OnlineService *srv, services) {
newGenres+=srv->genres();
}
if (newGenres!=srvGenres) {
srvGenres=newGenres;
emit updateGenres(srvGenres);
}
}
Qt::ItemFlags OnlineServicesModel::flags(const QModelIndex &index) const
{
if (index.isValid()) {
return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsDragEnabled;
}
return Qt::ItemIsEnabled;
}
QStringList OnlineServicesModel::filenames(const QModelIndexList &indexes) const
{
QList<Song> songList=songs(indexes);
QStringList fnames;
foreach (const Song &s, songList) {
fnames.append(s.file);
}
return fnames;
}
QList<Song> OnlineServicesModel::songs(const QModelIndexList &indexes) const
{
QMap<MusicLibraryItem *, QList<Song> > srvSongs;
foreach(QModelIndex index, indexes) {
MusicLibraryItem *item = static_cast<MusicLibraryItem *>(index.internalPointer());
MusicLibraryItem *parent=item;
while (parent->parentItem()) {
parent=parent->parentItem();
}
if (!parent) {
continue;
}
OnlineService *srv=static_cast<OnlineService *>(parent);
switch (item->itemType()) {
case MusicLibraryItem::Type_Root: {
// First, sort all artists as they would appear in UI...
QList<MusicLibraryItem *> artists=static_cast<const MusicLibraryItemContainer *>(item)->childItems();
qSort(artists.begin(), artists.end(), MusicLibraryItemArtist::lessThan);
foreach (MusicLibraryItem *a, artists) {
const MusicLibraryItemContainer *artist=static_cast<const MusicLibraryItemContainer *>(a);
// Now sort all albums as they would appear in UI...
QList<MusicLibraryItem *> artistAlbums=static_cast<const MusicLibraryItemContainer *>(artist)->childItems();
qSort(artistAlbums.begin(), artistAlbums.end(), MusicLibraryItemAlbum::lessThan);
foreach (MusicLibraryItem *i, artistAlbums) {
const MusicLibraryItemContainer *album=static_cast<const MusicLibraryItemContainer *>(i);
foreach (const MusicLibraryItem *song, static_cast<const MusicLibraryItemContainer *>(album)->childItems()) {
if (MusicLibraryItem::Type_Song==song->itemType() && !srvSongs[parent].contains(static_cast<const MusicLibraryItemSong*>(song)->song())) {
srvSongs[parent] << srv->fixPath(static_cast<const MusicLibraryItemSong*>(song)->song());
}
}
}
}
break;
}
case MusicLibraryItem::Type_Artist: {
// First, sort all albums as they would appear in UI...
QList<MusicLibraryItem *> artistAlbums=static_cast<const MusicLibraryItemContainer *>(item)->childItems();
qSort(artistAlbums.begin(), artistAlbums.end(), MusicLibraryItemAlbum::lessThan);
foreach (MusicLibraryItem *i, artistAlbums) {
const MusicLibraryItemContainer *album=static_cast<const MusicLibraryItemContainer *>(i);
foreach (const MusicLibraryItem *song, static_cast<const MusicLibraryItemContainer *>(album)->childItems()) {
if (MusicLibraryItem::Type_Song==song->itemType() && !srvSongs[parent].contains(static_cast<const MusicLibraryItemSong*>(song)->song())) {
srvSongs[parent] << srv->fixPath(static_cast<const MusicLibraryItemSong*>(song)->song());
}
}
}
break;
}
case MusicLibraryItem::Type_Album:
foreach (const MusicLibraryItem *song, static_cast<const MusicLibraryItemContainer *>(item)->childItems()) {
if (MusicLibraryItem::Type_Song==song->itemType() && !srvSongs[parent].contains(static_cast<const MusicLibraryItemSong*>(song)->song())) {
srvSongs[parent] << srv->fixPath(static_cast<const MusicLibraryItemSong*>(song)->song());
}
}
break;
case MusicLibraryItem::Type_Song:
if (!srvSongs[parent].contains(static_cast<const MusicLibraryItemSong*>(item)->song())) {
srvSongs[parent] << srv->fixPath(static_cast<const MusicLibraryItemSong*>(item)->song());
}
break;
default:
break;
}
}
QList<Song> songs;
QMap<MusicLibraryItem *, QList<Song> >::Iterator it(srvSongs.begin());
QMap<MusicLibraryItem *, QList<Song> >::Iterator end(srvSongs.end());
for (; it!=end; ++it) {
songs.append(it.value());
}
return songs;
}
void OnlineServicesModel::getDetails(QSet<QString> &artists, QSet<QString> &albumArtists, QSet<QString> &albums, QSet<QString> &genres)
{
foreach (OnlineService *srv, services) {
srv->getDetails(artists, albumArtists, albums, genres);
}
}
void OnlineServicesModel::createService(const QString &name)
{
OnlineService * srv=addService(name);
if (srv) {
srv->reload(false);
}
}
static const char * constCfgKey = "onlineServices";
static inline QString cfgKey(OnlineService *srv)
{
return "OnlineService-"+srv->name();
}
#ifdef ENABLE_KDE_SUPPORT
#define CONFIG KConfigGroup cfg(KGlobal::config(), "General");
#else
#define CONFIG QSettings cfg;
#endif
OnlineService * OnlineServicesModel::addService(const QString &name)
{
OnlineService *srv=0;
if (!service(name)) {
if (name==JamendoService::constName) {
srv=new JamendoService(this);
} else if (name==MagnatuneService::constName) {
srv=new MagnatuneService(this);
}
if (srv) {
srv->loadConfig();
beginInsertRows(QModelIndex(), services.count(), services.count());
services.append(srv);
endInsertRows();
connect(srv, SIGNAL(error(const QString &)), SIGNAL(error(const QString &)));
CONFIG
QStringList names=GET_STRINGLIST(constCfgKey, QStringList());
if (!names.contains(name)) {
names.append(name);
}
SET_VALUE(constCfgKey, names);
}
}
return srv;
}
void OnlineServicesModel::removeService(const QString &name)
{
int idx=indexOf(name);
if (idx<0) {
return;
}
OnlineService *srv=services.at(idx);
if (srv) {
beginRemoveRows(QModelIndex(), idx, idx);
services.takeAt(idx);
endRemoveRows();
updateGenres();
CONFIG
QStringList names=GET_STRINGLIST(constCfgKey, QStringList());
if (names.contains(srv->name())) {
names.removeAll(srv->name());
REMOVE_GROUP(cfgKey(srv));
SET_VALUE(constCfgKey, names);
CFG_SYNC;
}
srv->removeCache();
srv->stopLoader();
srv->deleteLater();
}
}
void OnlineServicesModel::stateChanged(const QString &name, bool state)
{
if (!state) {
int idx=indexOf(name);
if (idx<0) {
return;
}
updateGenres();
}
}
void OnlineServicesModel::load()
{
CONFIG
if (!HAS_ENTRY(constCfgKey)) {
addService(JamendoService::constName);
addService(MagnatuneService::constName);
} else {
QStringList names=GET_STRINGLIST(constCfgKey, QStringList());
foreach (const QString &n, names) {
addService(n);
}
}
}
void OnlineServicesModel::toggleGrouping()
{
beginResetModel();
foreach (OnlineService *srv, services) {
srv->toggleGrouping();
}
endResetModel();
}
int OnlineServicesModel::indexOf(const QString &name)
{
int i=0;
foreach (OnlineService *srv, services) {
if (srv->name()==name) {
return i;
}
i++;
}
return -1;
}
QMimeData * OnlineServicesModel::mimeData(const QModelIndexList &indexes) const
{
QMimeData *mimeData=0;
QStringList paths=filenames(indexes);
if (!paths.isEmpty()) {
mimeData=new QMimeData();
PlayQueueModel::encode(*mimeData, PlayQueueModel::constUriMimeType, paths);
}
return mimeData;
}
Device * OnlineServicesModel::device(const QString &udi)
{
if (!dev) {
dev=new OnlineDevice();
}
dev->setData(udi.mid(constUdiPrefix.length()));
return dev;
}
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